阅读说明：本技术 一种高强度、耐高温淋膜纸的加工工艺 (Processing technology of high-strength and high-temperature-resistant laminating paper ) 是由 江导友 于 2020-05-28 设计创作，主要内容包括：本发明提供一种高强度、耐高温淋膜纸的加工工艺,包括：S1原材料的制备：将秸秆、竹笋、竹叶放入粉碎机中造粒,将粒子与聚乳酸、弹性体共混,制得混合料；在将所述混合料进行第一次熔融挤出,添加可降解增韧树脂、润滑剂、防老剂混合,通过淋膜机制得淋膜纸；S2耐高温材料的制备：氢化丁腈橡胶混炼胶为按重量份配比混炼均匀后切碎即得到耐高温材料；S3涂布：将S2制备得到的耐高温液体混合粘接剂,利用涂覆机将耐高温材料涂覆在淋膜纸原料上,S4干燥：将制得的淋膜纸进行对应的烘干处理；S5收卷：将S4得到的淋膜纸通过静止或风冷后在利用绕卷装置进行对应的收卷,在进行对应的包装得到成品。(The invention provides a processing technology of high-strength and high-temperature-resistant laminating paper, which comprises the following steps: preparation of S1 raw material: putting straw, bamboo shoots and bamboo leaves into a grinder for granulation, and blending the particles with polylactic acid and an elastomer to prepare a mixture; performing first melt extrusion on the mixture, adding degradable toughening resin, a lubricant and an anti-aging agent, mixing, and obtaining laminating paper by a laminating machine; preparation of S2 high-temperature resistant material: the hydrogenated nitrile rubber compound is a high-temperature resistant material which is obtained by uniformly mixing and chopping according to the weight part ratio; s3 coating: and (3) coating the high-temperature-resistant material on the raw material of the laminating paper by using a coating machine through the high-temperature-resistant liquid mixed adhesive prepared in the step S2, and drying in a step S4: drying the prepared laminating paper correspondingly; s5 rolling: and (5) carrying out static or air cooling on the laminated paper obtained in the step (S4), then carrying out corresponding rolling by using a winding device, and carrying out corresponding packaging to obtain a finished product.)

1. A processing technology of high-strength and high-temperature-resistant laminating paper is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

preparation of S1 raw material: putting straw, bamboo shoots and bamboo leaves into a grinder for granulation to prepare particles, and blending the particles with polylactic acid and an elastomer to prepare a mixture;

performing first melt extrusion on the mixture, adding degradable toughening resin, a lubricant and an anti-aging agent, mixing, and obtaining laminating paper by a laminating machine;

preparation of S2 high-temperature resistant material: the hydrogenated nitrile-butadiene rubber compound comprises the following components in parts by weight: hydrogenated nitrile rubber, nano cerium oxide, quartz powder, aluminum silicate, carbon black N550, stearic acid 15-25: 1-10: 0-20: 2-4: 0.1-0.5, uniformly mixing, and then chopping to obtain a high-temperature resistant material;

s3 coating: mixing the high-temperature-resistant liquid prepared in the step S2 with the adhesive, adding the mixed high-temperature-resistant material into a coating machine, and coating the high-temperature-resistant material on the raw material of the laminating paper obtained in the step S1 by using the coating machine to form laminating paper; s4 drying: drying the prepared laminating paper on a corresponding single side, performing corresponding direction conversion through a steering wheel after the drying is finished, and performing corresponding secondary drying after the conversion is finished;

s5 rolling: and (5) carrying out static or air cooling on the laminated paper obtained in the step (S4), then carrying out corresponding rolling by using a winding device, and carrying out corresponding packaging to obtain a finished product.

2. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the particle diameter of the S1 product is 0.15-0.55 mm.

3. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the laminated paper is also coated with an antibacterial solution;

the antibacterial liquid is prepared by the following specific steps:

(1) mixing ethylene, isooctyl acrylate and acrylic acid to obtain a mixed monomer, mixing OP-10 and sodium vinylsulfonate to obtain a pre-emulsifier, adding the mixed monomer, the pre-emulsifier and deionized water into a pre-emulsification kettle, starting a stirrer, and stirring at the rotating speed of 300-400 r/min for 25-30 min to obtain a pre-emulsion;

(2) adding the pre-emulsion, 20 mass percent ammonium persulfate solution and sodium bicarbonate into a reaction kettle, heating to 80-85 ℃, starting a stirrer, stirring at a rotating speed of 60-70 r/min, carrying out heat preservation reaction for 30-40 min, adding dodecylamine, glycidyl trimethylamine chloride, polyethylene wax and poly-hexamethylene guanidine hydrochloride into the reaction kettle, continuously heating to 100-110 ℃, and carrying out heat preservation for 40-45 min to obtain an antibacterial liquid, wherein the antibacterial liquid is coated on the outer surface of the high-temperature resistant material.

4. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 3 is characterized in that: the antibacterial liquid comprises, by weight, 80-90 parts of a pre-emulsion, 20-30 parts of an ammonium persulfate solution with the mass fraction of 20%, 20-30 parts of sodium bicarbonate, 4-5 parts of dodecylamine, 5-7 parts of glycidyl trimethylamine chloride, 20-25 parts of polyethylene wax and 10-12 parts of polyhexamethylene salt.

5. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the plasticizer prepared from the high-temperature resistant material is at least one of dibutyl phthalate, dioctyl phthalate or didecyl phthalate.

6. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the coupling agent prepared from the high-temperature resistant material is at least one of gamma-aminopropyltriethoxysilane, gamma- (2, 3-glycidoxy) propyltrimethoxysilane and gamma-methacryloxypropyltrimethoxysilane.

7. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the preparation method comprises the following steps: adding methylcyclohexane and butyl acetate into a reaction kettle according to the weight part ratio, adding hydrogenated nitrile-butadiene rubber compound, terpene phenolic resin, fumed silica, aluminum powder, plasticizer and coupling agent at the stirring speed of 200-300 r/min, stirring for 4-5 hours until the glue solution is uniform, cooling to normal temperature, and discharging the finished product.

8. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the preparation method of the high-temperature resistant material comprises the following steps: adding methylcyclohexane and butyl acetate into a reaction kettle according to the weight part ratio, adding hydrogenated nitrile-butadiene rubber compound, terpene phenolic resin, fumed silica, aluminum powder, plasticizer and coupling agent at the stirring speed of 220-330 r/min, stirring for 3.5-5.5 hours until the glue solution is uniform, cooling to normal temperature, and discharging the finished product.

9. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: in the preparation of the S1 raw material, the mass ratio of the straw to the bamboo shoot to the bamboo leaf is 6-8.5: 1.1-1.5: 0.2.5-0.7.

10. The processing technology of the high-strength and high-temperature-resistant laminating paper according to claim 1 is characterized in that: the temperature of the material spraying and cutting cylinder is set to be 210-360 ℃, and the temperature of the membrane head is set to be 320-380 ℃.

Technical Field

The invention relates to the technical field of laminating paper, and mainly relates to a processing technology of high-strength and high-temperature-resistant laminating paper.

Background

The laminated paper is a composite material with plastic particles coated on the surface of paper by a casting machine, and is mainly characterized in that the composite material can resist oil and water (relatively) and can be thermally sealed. Different purposes adopt different characteristics: when used for packing hamburgers, it is oil resistant. The Madanuo is edible vegetable oil with the temperature of 80 ℃ and does not leak oil for 10 minutes. When the coating is used for coated paper ream packaging, the coating has waterproof property. When used for packaging by an automatic packaging machine, the heat-sealable characteristic is taken.

The existing laminating paper selects colored base paper with proper thickness, specification, material and color according to the function of the laminating paper, and usually adopts strong-toughness and rough-surface forest paper as the base paper so as to enhance the infiltration and adhesive force of the laminating;

however, since the application range of the existing laminating paper is wide and the temperature is high in many places, the laminating paper needs to have a certain high-temperature resistance effect.

Disclosure of Invention

The invention provides a processing technology of high-strength and high-temperature-resistant laminating paper, which is used for solving the technical problem that the laminating paper needs to have a certain high-temperature-resistant effect in the background art because the application range of the existing laminating paper is wide and the temperature is high in many places.

In order to achieve the purpose, the invention provides the following technical scheme: a processing technology of high-strength and high-temperature-resistant laminating paper comprises the following steps:

preparation of S1 raw material: putting straw, bamboo shoots and bamboo leaves into a grinder for granulation to prepare particles, and blending the particles with polylactic acid and an elastomer to prepare a mixture;

performing first melt extrusion on the mixture, adding degradable toughening resin, a lubricant and an anti-aging agent, mixing, and obtaining laminating paper by a laminating machine;

preparation of S2 high-temperature resistant material: the hydrogenated nitrile-butadiene rubber compound comprises the following components in parts by weight: hydrogenated nitrile rubber, nano cerium oxide, quartz powder, aluminum silicate, carbon black N550, stearic acid 15-25: 1-10: 0-20: 2-4: 0.1-0.5, uniformly mixing, and then chopping to obtain a high-temperature resistant material;

s3 coating: mixing the high-temperature-resistant liquid prepared in the step S2 with the adhesive, adding the mixed high-temperature-resistant material into a coating machine, and coating the high-temperature-resistant material on the raw material of the laminating paper obtained in the step S1 by using the coating machine to form laminating paper; s4 drying: drying the prepared laminating paper on a corresponding single side, performing corresponding direction conversion through a steering wheel after the drying is finished, and performing corresponding secondary drying after the conversion is finished;

s5 rolling: and (5) carrying out static or air cooling on the laminated paper obtained in the step (S4), then carrying out corresponding rolling by using a winding device, and carrying out corresponding packaging to obtain a finished product.

Further, the particle diameter of the particles obtained in S1 was 0.15 to 0.55 mm.

Further, antibacterial liquid is coated in the laminating paper;

the antibacterial liquid is prepared by the following specific steps:

(1) mixing ethylene, isooctyl acrylate and acrylic acid to obtain a mixed monomer, mixing OP-10 and sodium vinylsulfonate to obtain a pre-emulsifier, adding the mixed monomer, the pre-emulsifier and deionized water into a pre-emulsification kettle, starting a stirrer, and stirring at the rotating speed of 300-400 r/min for 25-30 min to obtain a pre-emulsion;

(2) adding the pre-emulsion, 20 mass percent ammonium persulfate solution and sodium bicarbonate into a reaction kettle, heating to 80-85 ℃, starting a stirrer, stirring at a rotating speed of 60-70 r/min, carrying out heat preservation reaction for 30-40 min, adding dodecylamine, glycidyl trimethylamine chloride, polyethylene wax and poly-hexamethylene guanidine hydrochloride into the reaction kettle, continuously heating to 100-110 ℃, and carrying out heat preservation for 40-45 min to obtain an antibacterial liquid, wherein the antibacterial liquid is coated on the outer surface of the high-temperature resistant material.

Furthermore, the antibacterial liquid specifically comprises, by weight, 80-90 parts of a pre-emulsion, 20-30 parts of an ammonium persulfate solution with the mass fraction of 20%, 20-30 parts of sodium bicarbonate, 4-5 parts of dodecylamine, 5-7 parts of glycidyl trimethylamine chloride, 20-25 parts of polyethylene wax and 10-12 parts of polyhexamethylene salt.

Further, the plasticizer prepared from the high-temperature resistant material is at least one of dibutyl phthalate, dioctyl phthalate or didecyl phthalate.

Furthermore, the coupling agent prepared from the high-temperature resistant material is at least one of gamma-aminopropyltriethoxysilane, gamma- (2, 3-glycidoxy) propyltrimethoxysilane and gamma-methacryloxypropyltrimethoxysilane.

Further, the preparation method comprises the following steps: adding methylcyclohexane and butyl acetate into a reaction kettle according to the weight part ratio, adding hydrogenated nitrile-butadiene rubber compound, terpene phenolic resin, fumed silica, aluminum powder, plasticizer and coupling agent at the stirring speed of 200-300 r/min, stirring for 4-5 hours until the glue solution is uniform, cooling to normal temperature, and discharging the finished product.

Further, the preparation method of the high-temperature resistant material comprises the following steps: adding methylcyclohexane and butyl acetate into a reaction kettle according to the weight part ratio, adding hydrogenated nitrile-butadiene rubber compound, terpene phenolic resin, fumed silica, aluminum powder, plasticizer and coupling agent at the stirring speed of 220-330 r/min, stirring for 3.5-5.5 hours until the glue solution is uniform, cooling to normal temperature, and discharging the finished product.

Further, the mass ratio of the straws, the bamboo shoots and the bamboo leaves in the preparation of the S1 raw material is 6-8.5: 1.1-1.5: 0.2.5-0.7.

Furthermore, the temperature of the material spraying and cutting cylinder is set to be 210-360 ℃, and the temperature of the membrane head is set to be 320-380 ℃.

Compared with the prior art, the invention has the beneficial effects that:

1. the method comprises the steps of putting straws, bamboo shoots and bamboo leaves into a grinder for granulation to prepare particles, and preparing the corresponding particles into corresponding film laminating paper base paper through a film laminating machine;

2. then, the adhesive is used on the surface of the laminated paper and is connected with a high-temperature resistant material in an adhesive mode, so that the high-temperature resistant performance of the laminated paper is stronger.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.