阅读说明：本技术 一种内嵌丝绸的压克力板生产工艺 (Production process of acrylic plate embedded with silk ) 是由 宋飞 肖建霞 杨一帆 马美霞 张红兵 何静 于 2021-07-14 设计创作，主要内容包括：本发明涉及一种内嵌丝绸的压克力板生产工艺,包括以下步骤：丝绸预制：丝绸按压克力板材生产大小裁切,除静电、除尘,并在嵌装浇注前正反面喷涂复合涂层；合模、浇口设置：聚合浇注液配置：包括甲基丙烯酸甲酯、丙烯酸、丙烯酸丁酯、核壳稳定剂、丙烯腈-苯乙烯树脂、四针状氧化锌晶须、甲苯二异氰酸酯、引发剂、固化剂、KI560偶联剂共混聚合制得聚合浇注液；浇注、固化成型。该工艺能防止浇注成型过程中丝绸变形,有利于提高丝绸内嵌结构稳定牢固。(The invention relates to a production process of an acrylic plate embedded with silk, which comprises the following steps: prefabricating silk: cutting silk according to the size of the acrylic plate, removing static electricity and dust, and spraying a composite coating on the front and back sides before embedding and pouring; die assembly and gate arrangement: preparation of a polymerization casting solution: comprises methyl methacrylate, acrylic acid, butyl acrylate, a core-shell stabilizer, acrylonitrile-styrene resin, tetrapod-like zinc oxide whiskers, toluene diisocyanate, an initiator, a curing agent and a KI560 coupling agent, and the polymerization casting liquid is prepared by blending and polymerizing; and (5) pouring, curing and forming. The process can prevent silk deformation in the casting process, and is favorable for improving the stability and firmness of the silk embedded structure.)

1. A production process of an acrylic plate with embedded silk is characterized by comprising the following steps: the method comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.5-1mm on the front and back surfaces before embedding and pouring, mixing a composite coating liquid comprising 3-5 parts by weight of KI550 coupling agent, 5-6 parts by weight of hydroxyl-terminated polybutadiene and 6-8 parts by weight of epoxy polyurethane, and standing for 0.5-1h after spraying;

b. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

c. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

d. preparation of a polymerization casting solution: according to the mass portion, the material comprises 120 portions of methyl methacrylate 100-one, 10-12 portions of acrylic acid, 12-15 portions of butyl acrylate, 8-10 portions of core-shell stabilizer, 9-11 portions of acrylonitrile-styrene resin, 1.5-2.5 portions of tetrapod-like zinc oxide whisker, 6-10 portions of toluene diisocyanate, 1-1.5 portions of initiator, 2-3 portions of curing agent and 1.2-1.5 portions of KI560 coupling agent, and the mixture is polymerized for 40-60min at the temperature of 95-100 ℃ to prepare the polymeric casting liquid;

e. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step d into the polymerization casting liquid through two gates on the upper and lower acrylic supporting strips;

f. curing and forming: after casting, the upper glass module and the lower glass module are integrally conveyed into an environment with the temperature of 20-30 ℃ and the humidity of not more than 5% for polymerization for 3-24 h.

2. The production process of the acrylic plate with the embedded silk as claimed in claim 1, wherein the production process comprises the following steps: after curing and forming, the high-temperature treatment at the temperature of 110-120 ℃ can be carried out for 3-5 h.

3. The production process of the acrylic plate with the embedded silk as claimed in claim 1, wherein the production process comprises the following steps: the core-shell stabilizer comprises, by mass, 50-80 parts of 115-120nm styrene-butadiene latex, 10-12 parts of styrene, 2-3 parts of potassium persulfate, 1.5-2.5 parts of sodium dodecyl sulfate, 40-60 parts of methyl methacrylate and 8-12 parts of carboxyl-containing poly-acrylic siloxane.

4. The production process of the acrylic plate with the embedded silk as claimed in claim 3, wherein the production process comprises the following steps: the preparation steps of the core-shell stabilizer are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 60-75% of the total mass fraction and lauryl sodium sulfate accounting for 60-65% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 70-85 ℃, reacting for 2-3 hours, standing and cooling to obtain nuclear layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.2-1.5Mpa, heating to 60-65 ℃, reacting for 10 hours, and cooling to obtain the core-shell stabilizer.

5. The production process of the acrylic plate with the embedded silk as claimed in claim 1, wherein the production process comprises the following steps: and the lower end surface of the upper acrylic supporting strip and the upper end surface of the lower acrylic supporting strip are subjected to sanding treatment.

Technical Field

The invention provides an acrylic plate, in particular to a production process of an acrylic plate embedded with silk.

Background

The acrylic is called PMMA or organic glass, has better transparency, chemical stability and weather resistance, is easy to dye and process, has beautiful appearance and is widely applied to various industries. In the modern decoration process, photos, drawings and various textile fabrics are often embedded in acrylic, so that the acrylic is more attractive and diversified, and the aesthetic requirement of modern people is better met.

Silk has the advantages as a special product in China: the novel silk fabric is attractive and elegant in appearance and bright in color, and has better effects in the aspects of sound absorption, dust absorption, flame retardance and ultraviolet resistance by adding various artificial fibers in modern silk weaving; but when decorating the use, naked use directly influences its easy fold, structural strength is low, the easy scheduling problem that fades, compares that current rigid structure metal, photo are embedded, as flexible cloth structure, the problem that needs to solve urgently in the acryl that fuses modern technology is more.

Disclosure of Invention

The invention provides a production process of an acrylic plate embedded with silk, which can prevent the silk from deforming in the casting molding process and is beneficial to improving the stability and firmness of the silk embedded structure.

The technical scheme adopted by the invention is as follows: a production process of an acrylic plate with embedded silk is characterized by comprising the following steps: the method comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.5-1mm on the front and back surfaces before embedding and pouring, mixing a composite coating liquid comprising 3-5 parts by weight of KI550 coupling agent, 5-6 parts by weight of hydroxyl-terminated polybutadiene and 6-8 parts by weight of epoxy polyurethane, and standing for 0.5-1h after spraying;

b. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

c. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

d. preparation of a polymerization casting solution: according to the mass portion, the material comprises 120 portions of methyl methacrylate 100-one, 10-12 portions of acrylic acid, 12-15 portions of butyl acrylate, 8-10 portions of core-shell stabilizer, 9-11 portions of acrylonitrile-styrene resin, 1.5-2.5 portions of tetrapod-like zinc oxide whisker, 6-10 portions of toluene diisocyanate, 1-1.5 portions of initiator, 2-3 portions of curing agent and 1.2-1.5 portions of KI560 coupling agent, and the components are mixed and polymerized for 40-60min at the temperature of 95-100 ℃ to prepare the polymerization casting liquid;

e. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step d into the polymerization casting liquid through two gates on the upper and lower acrylic supporting strips;

f. curing and forming: after casting, the upper glass module and the lower glass module are integrally conveyed into an environment with the temperature of 20-30 ℃ and the humidity of not more than 5% for polymerization for 3-24 h.

Furthermore, the curing and molding can be carried out for 3-5h at the high temperature of 110-120 ℃.

Further, the core-shell stabilizer comprises, by mass, 50-80 parts of 115-one 120nm styrene-butadiene latex, 10-12 parts of styrene, 2-3 parts of potassium persulfate, 1.5-2.5 parts of sodium dodecyl sulfate, 40-60 parts of methyl methacrylate and 8-12 parts of carboxyl-containing poly-acrylic siloxane.

Further, the preparation steps of the core-shell stabilizer are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 60-75% of the total mass fraction and lauryl sodium sulfate accounting for 60-65% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 70-85 ℃, reacting for 2-3 hours, standing and cooling to obtain nuclear layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.2-1.5Mpa, heating to 60-65 ℃, reacting for 10 hours, and cooling to obtain the core-shell stabilizer.

Furthermore, the lower end face of the upper acrylic support bar and the upper end face of the lower acrylic support bar are subjected to sanding treatment.

When the die is manufactured, the rubber pressing strips in the upper pressing strip groove are pressed on the rubber sealing rubber strips in more than two rubber sealing rubber strip grooves and the rubber pressing strips in the lower pressing strip groove are pressed on the rubber sealing rubber strips in more than two rubber sealing rubber strip grooves, and the pressing and connecting end surface is subjected to frosting treatment, so that the silk can be tightly and firmly pressed and connected after being tensioned and straightened, and the smooth and wrinkle-free surface of the formed silk is facilitated; the composite coating is sprayed before silk casting, wherein hydroxyl-terminated polybutadiene and epoxy polyurethane can avoid the problems of deformation and wrinkling or layered cracking of an acrylic plate caused by moisture absorption of silk, and simultaneously has good cohesiveness, so that the silk can be bonded, mixed and molded with a polymerization casting solution in a subsequent process; the tetrapod-like zinc oxide whisker/toluene diisocyanate/polymethyl methacrylate of the polymerized casting liquid forms an interpenetrating multidimensional polymer network structure when the upper and lower sides of silk are locally polymerized at low temperature, a styrene-butadiene latex is used as a core layer in combination with a core-shell stabilizer, methyl methacrylate is used as a shell layer to prepare a particle structure with better elasticity, carboxyl-containing agglomerated acrylic siloxane is matched to further improve the dynamic viscoelasticity of the particles, the high bonding performance of carboxyl-containing liquid polybutadiene is matched, the bonding performance of the upper and lower parts with silk to form an integral acrylic plate during casting, curing and molding can be improved, and the layering cracking of the middle silk after long-term use is reduced; the KI-550 and the KI-560 have synergistic bonding strength and durability on the bonding interface of the polymer casting liquid and the silk, and the NI group obtained by the interaction of the active groups of the KI-550 and the KI-560 can further react with the epoxy group of the epoxy polyurethane to form a larger cross-linked network structure, and the cross-linked network structure and the multidimensional polymer network are mutually interpenetrated and inserted on the curing bonding surface of the composite material and the base plate, so that the stability of the integral bonding molding is further improved.

Detailed Description

The following examples are further illustrated.

Example one

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.5mm on the front surface and the back surface before embedding and pouring, mixing a composite coating liquid comprising 3 parts by mass of KI550 coupling agent, 5 parts by mass of hydroxyl-terminated polybutadiene and 6 parts by mass of epoxy polyurethane, and standing for 0.5h after spraying;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, 100 portions of methyl methacrylate, 10 portions of acrylic acid, 12 portions of butyl acrylate, 8 portions of core-shell stabilizer, 9 portions of acrylonitrile-styrene resin, 1.5 portions of tetrapod-shaped zinc oxide whisker, 6 portions of toluene diisocyanate, 1 portion of initiator, 2 portions of curing agent and 1.2 portions of KI560 coupling agent are mixed and polymerized for 40min at 95 ℃ to prepare a polymerization casting solution;

the core-shell stabilizer comprises 50 parts of 115nm styrene-butadiene latex, 10 parts of styrene, 2 parts of potassium persulfate, 1.5 parts of sodium dodecyl sulfate, 40 parts of methyl methacrylate and 8 parts of carboxyl-containing poly-acrylic siloxane by mass, and the preparation steps are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 60% of the total mass fraction and lauryl sodium sulfate accounting for 60% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 70 ℃, reacting for 2 hours, standing and cooling to obtain core layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.2Mpa, heating to 60 ℃, reacting for 10 hours, and cooling to obtain a core-shell stabilizer;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with 20 ℃ and 4% of humidity for polymerization for 3 h.

Example two

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.5mm on the front surface and the back surface before embedding and pouring, mixing a composite coating liquid comprising 4 parts by mass of KI550 coupling agent, 5 parts by mass of hydroxyl-terminated polybutadiene and 6 parts by mass of epoxy polyurethane, and standing for 0.5h after spraying;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, the material comprises 110 portions of methyl methacrylate, 10.5 portions of acrylic acid, 13 portions of butyl acrylate, 9 portions of core-shell stabilizer, 10 portions of acrylonitrile-styrene resin, 2 portions of tetrapod-like zinc oxide whisker, 8 portions of toluene diisocyanate, 1.25 portions of initiator, 2.2 portions of curing agent and 1.4 portions of KI560 coupling agent, and the mixture is polymerized for 55min at 100 ℃ to prepare a polymerization casting solution;

the core-shell stabilizer comprises 50 parts of 115nm styrene-butadiene latex, 10 parts of styrene, 2 parts of potassium persulfate, 1.5 parts of sodium dodecyl sulfate, 40 parts of methyl methacrylate and 8 parts of carboxyl-containing poly-acrylic siloxane by mass, and the preparation steps are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 60% of the total mass fraction and lauryl sodium sulfate accounting for 60% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 80 ℃, reacting for 2 hours, standing and cooling to obtain core layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.3Mpa, heating to 65 ℃, reacting for 10 hours, and cooling to obtain a core-shell stabilizer;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with the temperature of 22 ℃ and the humidity of 2% for polymerization for 5 h.

EXAMPLE III

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.8mm on the front surface and the back surface before embedding and pouring, mixing a composite coating liquid comprising 4 parts by mass of KI550 coupling agent, 5.5 parts by mass of hydroxyl-terminated polybutadiene and 6.5 parts by mass of epoxy polyurethane, and standing for 1 hour after spraying;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, 115 portions of methyl methacrylate, 11.5 portions of acrylic acid, 13 portions of butyl acrylate, 8.5 portions of core-shell stabilizer, 10 portions of acrylonitrile-styrene resin, 2 portions of tetrapod-shaped zinc oxide whisker, 8 portions of toluene diisocyanate, 1.2 portions of initiator, 2.7 portions of curing agent and 1.4 portions of KI560 coupling agent are mixed and polymerized for 55min at 98 ℃ to prepare a polymerization casting solution;

the core-shell stabilizer comprises, by mass, 60 parts of 116nm styrene-butadiene latex, 10.3 parts of styrene, 2.5 parts of potassium persulfate, 1.85 parts of sodium dodecyl sulfate, 45 parts of methyl methacrylate and 9 parts of carboxyl-containing poly-acrylic siloxane, and the preparation steps are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 65% of the total mass fraction and lauryl sodium sulfate accounting for 60% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 80 ℃, reacting for 2.5 hours, standing and cooling to obtain a core layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.25Mpa, heating to 62.5 ℃, reacting for 10 hours, and cooling to obtain a core-shell stabilizer;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with 25 ℃ and 3% humidity for polymerization for 5 h.

Example four

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 1mm on the front surface and the back surface before embedding and pouring, mixing a composite coating liquid comprising 5 parts by mass of KI550 coupling agent, 6 parts by mass of hydroxyl-terminated polybutadiene and 8 parts by mass of epoxy polyurethane, and standing for 1 hour after spraying;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, the material comprises 120 portions of methyl methacrylate, 12 portions of acrylic acid, 15 portions of butyl acrylate, 10 portions of core-shell stabilizer, 11 portions of acrylonitrile-styrene resin, 2.5 portions of tetrapod-shaped zinc oxide whisker, 10 portions of toluene diisocyanate, 1.5 portions of initiator, 3 portions of curing agent and 1.5 portions of KI560 coupling agent, and the mixture is polymerized for 60min at 100 ℃ to prepare a polymerization casting solution;

the core-shell stabilizer comprises 80 parts of 120nm styrene-butadiene latex, 12 parts of styrene, 3 parts of potassium persulfate, 2.5 parts of sodium dodecyl sulfate, 60 parts of methyl methacrylate and 12 parts of carboxyl-containing poly-acrylic siloxane by mass, and the preparation steps are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 75% of the total mass fraction and sodium dodecyl sulfate accounting for 65% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 85 ℃, reacting for 3 hours, standing and cooling to obtain core layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.5Mpa, heating to 65 ℃, reacting for 10 hours, and cooling to obtain a core-shell stabilizer;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with the temperature of 30 ℃ and the humidity of 5% for polymerization for 24 h.

Comparative example 1

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of the acrylic plate, removing static electricity and dust;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, the material comprises 110 portions of methyl methacrylate, 10.5 portions of acrylic acid, 13 portions of butyl acrylate, 9 portions of core-shell stabilizer, 10 portions of acrylonitrile-styrene resin, 2 portions of tetrapod-like zinc oxide whisker, 8 portions of toluene diisocyanate, 1.25 portions of initiator, 2.2 portions of curing agent and 1.4 portions of KI560 coupling agent, and the mixture is polymerized for 55min at 100 ℃ to prepare a polymerization casting solution;

the core-shell stabilizer comprises 50 parts of 115nm styrene-butadiene latex, 10 parts of styrene, 2 parts of potassium persulfate, 1.5 parts of sodium dodecyl sulfate, 40 parts of methyl methacrylate and 8 parts of carboxyl-containing poly-acrylic siloxane by mass, and the preparation steps are as follows: under the nitrogen atmosphere, starving, feeding and adding styrene, potassium persulfate accounting for 60% of the total mass fraction and lauryl sodium sulfate accounting for 60% of the total mass fraction into the seed emulsion of the styrene-butadiene latex, heating to 80 ℃, reacting for 2 hours, standing and cooling to obtain core layer emulsion; adding methyl methacrylate, carboxyl-containing poly-acrylic siloxane, residual potassium persulfate and sodium dodecyl sulfate into the core layer emulsion, stirring at a low speed of 1.3Mpa, heating to 65 ℃, reacting for 10 hours, and cooling to obtain a core-shell stabilizer;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with the temperature of 22 ℃ and the humidity of 2% for polymerization for 5 h.

Comparative example No. two

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of a acryl plate produced, removing static electricity and dust, spraying a composite coating layer with the thickness of 0.5mm on the front surface and the back surface before embedding and pouring, mixing a composite coating liquid comprising 4 parts by mass of KI550 coupling agent, 5 parts by mass of hydroxyl-terminated polybutadiene and 6 parts by mass of epoxy polyurethane, and standing for 0.5h after spraying;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, the material comprises 110 portions of methyl methacrylate, 10.5 portions of acrylic acid, 13 portions of butyl acrylate, 10 portions of acrylonitrile-styrene resin, 2 portions of tetrapod-like zinc oxide whisker, 8 portions of toluene diisocyanate, 1.25 portions of initiator, 2.2 portions of curing agent and 1.4 portions of KI560 coupling agent, and the mixture is polymerized for 55min at 100 ℃ to prepare a polymerization casting solution;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with the temperature of 22 ℃ and the humidity of 2% for polymerization for 5 h.

Comparative example No. three

A production process of an acrylic plate with embedded silk comprises the following steps:

a. prefabricating silk: cutting silk according to the size of the acrylic plate, removing static electricity and dust;

a. die assembly: an upper acrylic support bar and a lower acrylic support bar which are used for enclosing an inner casting cavity are arranged in gaps on four sides between the upper glass template and the lower glass template, the lower end surface of the lower acrylic support bar is supported on the lower glass template, a lower pressure strip groove and more than two lower rubber strip grooves are arranged on the upper end surface of the lower acrylic support bar in parallel along the length direction from inside to outside, an upper pressure strip groove and more than two upper rubber strip grooves are arranged on the lower end surface of the upper acrylic support bar in parallel along the length direction from outside to inside, rubber pressure strips are embedded in the upper pressure strip groove and the lower pressure strip groove, rubber sealing rubber strips are embedded in the upper rubber strip groove and the lower rubber strip groove, the hardness of the rubber pressure strips is greater than that of the rubber sealing rubber strips, the matched die press mounting silk of the upper glass template and the lower glass template is in a state that the rubber pressure strips in the upper rubber sealing rubber strip grooves and the rubber pressure strips in the lower pressure strip grooves are pressed on the rubber sealing strip grooves in the more than two upper rubber sealing strip grooves in the upper pressure strips,

b. and (3) arranging a pouring gate: the upper and lower acrylic support strips on the same side of the upper and lower glass templates or the pressure-connecting end surfaces of the upper and lower acrylic support strips and the upper and lower glass templates are provided with gates corresponding in position; the upper glass template and the lower glass template are vertically arranged, and the pouring gate is upward;

c. preparation of a polymerization casting solution: according to the mass portion, the material comprises 110 portions of methyl methacrylate, 10.5 portions of acrylic acid, 13 portions of butyl acrylate, 9 portions of core-shell stabilizer, 10 portions of acrylonitrile-styrene resin, 2 portions of tetrapod-like zinc oxide whisker, 8 portions of toluene diisocyanate, 1.25 portions of initiator, 2.2 portions of curing agent and 1.4 portions of KI560 coupling agent, and the mixture is polymerized for 55min at 100 ℃ to prepare a polymerization casting solution;

d. pouring: c, vacuum filtering the polymerization casting liquid before pouring, and simultaneously and equivalently feeding the polymerization casting liquid in the step c into the polymerization casting liquid from two gates on the upper and lower acrylic supporting strips;

e. curing and forming: after casting, the upper and lower glass modules are wholly sent to an environment with 22 ℃ and 18% humidity for polymerization for 5 h.

According to the first, second, third and fourth examples, the first comparative example is that the silk is not subjected to the prefabricated spraying treatment, the second comparative example is that the polymerization casting liquid does not use the core-shell stabilizer, the third comparative example is that the silk is not subjected to the prefabricated spraying treatment, the polymerization casting liquid does not use the core-shell stabilizer and the low-temperature curing molding humidity is not controlled, single-layer silk is respectively poured, the thickness of a pouring pressure plate is 10cm, and the area of the plate surface is 4m². And performing a performance test on the final acrylic plate, wherein an electromagnetic vibration table is adopted for horizontal support sinusoidal vibration, the speed of the sinusoidal peak value is 2m/s, the frequency is 5Hz, and the peak-peak displacement is 30mm in the acceleration test. The test data are as follows:

according to the test data in the table, the third embodiment is the best embodiment of the invention, and the pouring can effectively solve the problems of silk concave and wrinkle; and when the high-temperature-resistant high-temperature-pressure-resistant high-temperature-resistant high-temperature-resistant high-temperature resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature resistant high-temperature resistant high-pressure resistant high-temperature-pressure resistant high-temperature-resistant high-pressure resistant high-temperature resistant high-pressure.