阅读说明：本技术 立体对花压纹台布的生产工艺 (Production process of three-dimensional pattern-matching embossing tablecloth ) 是由 刘承发 于 2019-11-19 设计创作，主要内容包括：本发明涉及家居用品领域,具体涉及一种立体对花压纹台布的生产工艺,包括如下步骤：S1：制作PVC薄膜层,并经压纹辊压制图案；S2：制备纱线层；S3：制备PET印花膜层；S4：将PVC薄膜层、纱线层利用压纹贴合装置双面压纹贴合,保证纱线层和PVC薄膜层精准套位；S5：采用PET印花膜层贴合压纹对位转移上色处理的方法对压纹贴合并套位后的PVC薄膜层和纱线层进行印刷；S6：收卷。本发明的工艺制得的台布立体感强、装饰效果好、不易老化褪色且手感舒适、吸水性好。(The invention relates to the field of household articles, in particular to a production process of three-dimensional registration embossing tablecloth, which comprises the following steps: s1: manufacturing a PVC film layer, and embossing and rolling to manufacture patterns; s2: preparing a yarn layer; s3: preparing a PET printing film layer; s4: embossing and laminating the PVC thin film layer and the yarn layer on two sides by using an embossing laminating device to ensure the accurate registration of the yarn layer and the PVC thin film layer; s5: printing the PVC film layer and the yarn layer which are subjected to embossing lamination and nesting by adopting a method of PET printing film layer lamination embossing alignment transfer coloring treatment; s6: and (6) rolling. The tablecloth prepared by the process has the advantages of strong stereoscopic impression, good decorative effect, difficult aging and fading, comfortable hand feeling and good water absorption.)

1. The production process of the three-dimensional registration embossing tablecloth is characterized in that: the method comprises the following steps: s1: manufacturing a PVC film layer, and embossing and rolling to manufacture patterns; s2: preparing a yarn layer; s3: preparing a PET printing film layer; s4: embossing and laminating the PVC thin film layer and the yarn layer on two sides by using an embossing laminating device to ensure the accurate registration of the yarn layer and the PVC thin film layer; s5: printing the PVC film layer and the yarn layer which are subjected to embossing lamination and nesting by adopting a method of PET printing film layer lamination embossing alignment transfer coloring treatment; s6: and (6) rolling.

2. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: in S1, the PVC film layer comprises the following raw materials in parts by mass: 55-65 parts of dioctyl phthalate, 35-55 parts of PVC resin powder, 90-110 parts of active calcium, 2-3 parts of heat stabilizer, 0.01-0.16 part of pigment powder and 0.01-0.15 part of titanium dioxide, wherein the heat stabilizer is selected from calcium-zinc composite stabilizer, and the gram weight of the active calcium is 180-220 g/square meter; the manufacturing method of the PVC film layer comprises the following steps: adding the components into a polymerization reaction kettle filled with heavy oil as a solvent according to a certain proportion, heating to 195-200 ℃, stirring for 1-1.5 h, filtering and extruding to obtain the PVC film layer; in S1, the oil content of the PVC film layer is controlled to be between 65 and 75 Pa, and the thickness is between 0.15 and 0.27 mm.

3. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: in S2, the knitting raw material of the yarn layer is pure cotton textile raw material, the pure cotton textile raw material is knitted by a 1480-2400 needle jacquard loom, and the thickness of the yarn layer is not larger than 0.05 mm.

4. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: in S4, the embossing attaching process comprises a first embossing attaching device and a second embossing attaching device, the temperature of the first attaching device is 120-150 ℃, the rotating speed of a preheating roller is 7-9 m/min, the traction tension is 2.5 kg/cm-3.5 kg/cm, and the coiling speed is 60-90 m/min; the temperature of a cooling roller of the first embossing laminating device is 8-10 ℃, the breadth shrinkage is less than or equal to 1cm, the rotating speed is 7-17 RPM/min, the low-speed rotating speed is 3-13 RPM/min, and the high-speed printing speed is 15-25 RPM/min; the temperature of the second embossing laminating device is 180-190 ℃, the laminating time is 40-45 s, the traction tension is 3.0 kg/4.0 kg/cm, the coiling speed is 20-25 m/min, the embossing rollers of the second embossing laminating device can be manually adjusted to move left and right by 10-20 mm and swing up and down by 8-15 mm, the cooling group of the second embossing laminating device comprises four groups of cooling rollers, the temperature of the first group of cooling rollers is 2-8 ℃, the cooling group is cooled and shaped for four times, each group is sequentially increased by 2-3 ℃, and the linear speed control of the cooling group is synchronous with the embossing rollers.

5. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: in S4, the PVC thin film layer and the yarn layer are subjected to embossing and laminating by a first embossing laminating device and a second embossing laminating device and then enter a vat to operate, the vat operating temperature is 180-200 ℃, a stainless steel heating tube is installed in the vat, the temperature is kept at 200 ℃, the lifting stroke is 20-30 cm, the number of the stainless steel heating tubes is 24, the power is 3000w, and heat is conveyed to the vat through high-temperature heat conduction oil in a closed circulation mode.

6. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: and S5, printing the PVC film layer and the yarn layer which are subjected to embossing lamination and registration by adopting a PET printing film layer lamination embossing alignment transfer coloring treatment method, wherein the low-speed printing rotation speed is 10-20 rpm/min, the high-speed printing rotation speed is 15-25 rpm/min, the temperature of a hot air box is 65-70 ℃, the wind power is 0.3-1.5 m/S, and the wind power of a natural cold air box is 1.6-3.3 m/S, and drying is carried out.

7. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: in S6, in the winding process, pressures of a rubber winding roller, a silicone winding roller and a bending winding roller are all 3 kg/4 kg/cm, winding traction tension is 2.5 kg/3.5 kg/cm, and winding speed is 10 m/min-15 m/min.

8. The production process of the stereoscopic paired embossed tablecloth of claim 1, wherein: the thickness of the produced tablecloth is 0.18 mm-0.35 mm, and the width of the produced tablecloth is 130 cm-155 cm.

9. The production process of the stereoscopic paired embossed tablecloth of claim 2, wherein: in S1, the PVC film layer comprises the following raw materials in parts by mass: 58 parts of dioctyl phthalate, 47 parts of PVC resin powder, 92 parts of active calcium, 2.94 parts of heat stabilizer, 0.02 part of pigment powder and 0.04 part of titanium dioxide, wherein the heat stabilizer is selected from calcium-zinc composite stabilizer, and the gram weight of the active calcium is 200 g/square meter.

Technical Field

The invention relates to the field of household articles, in particular to a three-dimensional registration embossing tablecloth and a production process thereof.

Background

The tablecloth is an article which is covered on a table or a tabletop and used for preventing dirt or increasing the appearance. The plastic material is classified according to production process and mainly divided into two major types, namely plastic type and textile type, wherein the plastic type comprises polyvinyl tablecloth such as PVC tablecloth, EVA tablecloth, PEVA tablecloth, pyrograph tablecloth, cotton substrate PVC tablecloth and PP tablecloth, and cast film tablecloth. The PVC tablecloth is widely applied to daily life due to the reasons of easy cleaning, convenience, practicability and the like.

At present, people in the society pursue bright color, brightness, saturation, layering, softness and the like for tablecloth, and play a role in luxurious decoration of home and enrichment of life taste, but the traditional PVC tablecloth has the defects of dark and non-lasting color and luster, rigid and aging, hard and crisp texture and the like, and cannot meet the pursuit of consumers for high-quality life.

In order to meet the requirements of high-end consumers, table cloth with patterned embossings appears in the market, but the table cloth with patterned embossings in the prior art has the following defects: on one hand, the printing is plane printing, so that the stereoscopic impression is not strong and the decorative effect is poor; in the second aspect, only transparent PVC and PET combined printing can be used, the printing is easy to age and fade, and the requirements of more consumers cannot be met; the third aspect is a pure plastic material, which has no water absorption and bad hand feeling.

Disclosure of Invention

In order to solve the problems, the invention provides the three-dimensional registration embossing tablecloth and the production process thereof, wherein the prepared tablecloth has strong three-dimensional sense, good decorative effect, difficult aging and fading, comfortable hand feeling and good water absorption.

The technical scheme adopted by the invention is as follows: the production process of the three-dimensional registration embossing tablecloth comprises the following steps: s1: manufacturing a PVC film layer, and embossing and rolling to manufacture patterns; s2: preparing a yarn layer; s3: preparing a PET printing film layer; s4: embossing and laminating the PVC thin film layer and the yarn layer on two sides by using an embossing laminating device to ensure the accurate registration of the yarn layer and the PVC thin film layer; s5: printing the PVC film layer and the yarn layer which are subjected to embossing lamination and nesting by adopting a method of PET printing film layer lamination embossing alignment transfer coloring treatment; s6: and (6) rolling.

The technical scheme is further improved in that in S1, the PVC film layer comprises the following raw materials in parts by mass: 55-65 parts of dioctyl phthalate, 35-55 parts of PVC resin powder, 90-110 parts of active calcium, 2-3 parts of heat stabilizer, 0.01-0.16 part of pigment powder and 0.01-0.15 part of titanium dioxide, wherein the heat stabilizer is selected from calcium-zinc composite stabilizer, and the gram weight of the active calcium is 180-220 g/square meter; the manufacturing method of the PVC film layer comprises the following steps: adding the components into a polymerization reaction kettle filled with heavy oil as a solvent according to a certain proportion, heating to 195-200 ℃, stirring for 1-1.5 h, filtering and extruding to obtain the PVC film layer; in S1, the oil content of the PVC film layer is controlled to be between 65 and 75 Pa, and the thickness is between 0.15 and 0.27 mm.

The technical scheme is further improved in that in S2, weaving raw materials of the yarn layer are pure cotton textile raw materials, weaving is carried out by a 1480-2400 needle jacquard loom, and the thickness of the yarn layer is not larger than 0.05 mm.

The technical scheme is further improved in that in S4, the embossing laminating process comprises a first embossing laminating device and a second embossing laminating device, the temperature of the first laminating device is 120-150 ℃, the rotating speed of a preheating roller is 7 m/min-9 m/min, the traction tension is 2.5 kg/cm-3.5 kg/cm, and the coiling speed is 60 m/min-90 m/min; the temperature of a cooling roller of the first embossing laminating device is 8-10 ℃, the breadth shrinkage is less than or equal to 1cm, the rotating speed is 7-17 RPM/min, the low-speed rotating speed is 3-13 RPM/min, and the high-speed printing speed is 15-25 RPM/min; the temperature of the second embossing laminating device is 180-190 ℃, the laminating time is 40-45 s, the traction tension is 3.0 kg/4.0 kg/cm, the coiling speed is 20-25 m/min, the embossing rollers of the second embossing laminating device can be manually adjusted to move left and right by 10-20 mm and swing up and down by 8-15 mm, the cooling group of the second embossing laminating device comprises four groups of cooling rollers, the temperature of the first group of cooling rollers is 2-8 ℃, the cooling group is cooled and shaped for four times, each group is sequentially increased by 2-3 ℃, and the linear speed control of the cooling group is synchronous with the embossing rollers.

The technical scheme is further improved in that in S4, the PVC thin film layer and the yarn layer enter a vat for operation after being subjected to embossing and laminating by a first embossing laminating device and a second embossing laminating device, the vat is operated at the temperature of 180-200 ℃, a stainless steel heating tube is installed in the vat, the temperature is kept at 200 ℃, the lifting stroke is 20-30 cm, the total number of the stainless steel heating tubes is 24, the power is 3000w, and heat is conveyed to the vat through high-temperature heat conduction oil in a closed circulation mode.

The technical scheme is further improved in that in S5, the printing process is to print the embossed and aligned PVC film layer and yarn layer by using a method of PET printing film layer lamination embossing alignment transfer coloring treatment, wherein the low-speed printing rotation speed is 10 rpm/min-20 rpm/min, the high-speed printing rotation speed is 15 rpm/min-25 rpm/min, the temperature of a hot air box in the printing process is 65-70 ℃, the wind power is 0.3 m/S-1.5 m/S, and the wind power of a natural cold air box is 1.6 m/S-3.3 m/S, and then drying is carried out.

According to the technical scheme, in the S6, in the winding process, the pressures of the winding rubber roller, the winding silica gel roller and the winding bending roller are all 3 kg/4 kg/cm, the winding traction tension is 2.5 kg/cm/3.5 kg/cm, and the winding speed is 10 m/min-15 m/min.

The technical scheme is further improved in that the thickness of the produced tablecloth is 0.18-0.35 mm, and the width of the produced tablecloth is 130-155 cm.

The technical scheme is further improved in that in S1, the PVC film layer comprises the following raw materials in parts by mass: 58 parts of dioctyl phthalate, 47 parts of PVC resin powder, 92 parts of active calcium, 2.94 parts of heat stabilizer, 0.02 part of pigment powder and 0.04 part of titanium dioxide, wherein the heat stabilizer is selected from calcium-zinc composite stabilizer, and the gram weight of the active calcium is 200 g/square meter.

The invention has the beneficial effects that:

1. on one hand, the production process of the three-dimensional registration embossing tablecloth integrates printing, laminating, embossing, nesting and automatic winding, adopts a mode that a PVC film layer and a yarn layer are laminated and are transferred, colored and printed through a PET printing film layer in a contraposition mode, realizes the effect of three-dimensional registration embossing, and the tablecloth prepared by the process has the advantages of strong three-dimensional sense, good decoration effect, difficult aging and fading, comfortable hand feeling, good water absorption and the like. In the second aspect, the raw materials of the process are a PVC film and pure cotton yarns, the characteristics of the two materials are combined, the mechanical strength is good, the use of PVC is reduced, the process is safer and more environment-friendly, the hand feeling is comfortable, and the water absorption is good. The embossing is pressed on the PVC thin film layer, the yarn layer and the PVC thin film layer are accurately sleeved through the process of double-sided embossing, so that the effect of three-dimensional patterns is realized, the three-dimensional effect is good and the decorative effect is good compared with the traditional pattern embossing tablecloth, and the requirements of different consumers can be met due to the fact that one side of the PVC layer is the yarn layer and the other side of the PVC layer is the yarn layer. And in the fourth aspect, a printing procedure of PET printing film layer attaching embossing alignment transfer coloring treatment is added before rolling, so that the final product has good glossiness, high refractivity and strong three-dimensional layering, and the three-dimensional effect and the decoration of the tablecloth are further improved. In a fifth aspect, the process is completed by an integrated flow line,

2. in S1, the PVC film layer comprises the following raw materials in parts by mass: 55-65 parts of dioctyl phthalate, 35-55 parts of PVC resin powder, 90-110 parts of active calcium, 2-3 parts of heat stabilizer, 0.01-0.16 part of pigment powder and 0.01-0.15 part of titanium dioxide, wherein the heat stabilizer is selected from calcium-zinc composite stabilizer, and the gram weight of the active calcium is 180-220 g/square meter; by adopting the formula, the prepared tablecloth has the effects of no toxicity, high cold resistance, static resistance and flame retardance, is excellent in physical and chemical properties, and the flexibility of the product is ensured due to the arrangement of the active calcium.

3. The manufacturing method of the PVC film layer comprises the following steps: adding the components into a polymerization reaction kettle filled with heavy oil as a solvent according to a certain proportion, heating to 195-200 ℃, stirring for 1-1.5 h, filtering, and extruding to obtain a PVC film layer; the manufacturing method of the PVC film layer is simple and the production efficiency is high.

4. In S1, the oil content of the PVC film layer is controlled to be between 65 and 75 Pa, and the thickness is between 0.15 and 0.27 mm. In S2, the knitting raw material of the yarn layer is pure cotton textile raw material, the pure cotton textile raw material is knitted by a 1480-2400 needle jacquard loom, and the thickness of the yarn layer is not larger than 0.05 mm. The overall thickness of the product is 0.18 mm-0.35 mm. The PVC film layer and the yarn layer with the thickness are arranged, so that the prepared tablecloth is thin in thickness, good in wide shrinkage, stretching degree and flatness, low in production cost, good in stereoscopic impression of patterns and decorative patterns on the tablecloth and good in decorative effect. When the yarn layer or the PVC film layer is too thick, the three-dimensional effect is not prominent.

5. In S4, the embossing attaching process comprises a first embossing attaching device and a second embossing attaching device, the temperature of the first attaching device is 120-150 ℃, the rotating speed of a preheating roller is 7-9 m/min, the traction tension is 2.5 kg/cm-3.5 kg/cm, and the coiling speed is 60-90 m/min; the temperature of a cooling roller of the first embossing laminating device is 8-10 ℃, the breadth shrinkage is less than or equal to 1cm, the rotating speed is 7-17 RPM/min, the low-speed rotating speed is 3-13 RPM/min, and the high-speed printing speed is 15-25 RPM/min; the temperature of the second embossing laminating device is 180-190 ℃, the laminating time is 40-45 s, the traction tension is 3.0 kg/4.0 kg/cm, the coiling speed is 20-25 m/min, the embossing rollers of the second embossing laminating device can be manually adjusted to move left and right by 10-20 mm and swing up and down by 8-15 mm, the cooling group of the second embossing laminating device comprises four groups of cooling rollers, the temperature of the first group of cooling rollers is 2-8 ℃, the cooling group is cooled and shaped for four times, each group is sequentially increased by 2-3 ℃, and the linear speed control of the cooling group is synchronous with the embossing rollers. The two-layer laminating is carried out through twice laminating device for the laminating effect of the two is better, and the impressed watermark effect is counterpointed accurately, and the obvious third dimension of level is strong, and the accurate register of the pattern of the two can. The internal structure of the material is changed through multiple times of high temperature and cooling, the pattern of the product is prevented from fading, and the color fastness of the product is higher.

6. In S4, the PVC thin film layer and the yarn layer are subjected to embossing and laminating by a first embossing laminating device and a second embossing laminating device and then enter a vat to operate, the vat operating temperature is 180-200 ℃, a stainless steel heating tube is installed in the vat, the temperature is kept at 200 ℃, the lifting stroke is 20-30 cm, the number of the stainless steel heating tubes is 24, the power is 3000w, and heat is conveyed to the vat through high-temperature heat conduction oil in a closed circulation mode. After the two are laminated through two embossing lines, the heating is carried out, so that the connection between the two is further firmer, and the product has good three-dimensional effect.

7. And S5, printing by using a method of attaching a PET printing film to emboss, aligning, transferring and coloring, wherein the low-speed printing rotation speed is 10-20 rpm/min, the high-speed printing rotation speed is 15-25 rpm/min, the temperature of a hot air box is 65-70 ℃, the wind power is 0.3-1.5 m/S, and the wind power of a natural cold air box is 1.6-3.3 m/S, and drying. The gold and silver film is locally attached to the surface of the product through transfer printing of the gold and silver film, the gold stamping effect is realized, the adhesive force of the printing ink is improved, the fading resistance is realized, the printing ink is full in coloring and vivid in pattern, the high-temperature high-pressure pattern cannot lose the original shape, the color and luster of the product are kept for a long time, and the aging resistance is strong.

8. In S6, in the winding process, pressures of a rubber winding roller, a silicone winding roller and a bending winding roller are all 3 kg/4 kg/cm, winding traction tension is 2.5 kg/3.5 kg/cm, and winding speed is 10 m/min-15 m/min. In the whole production process, the speed of the rolling process and other processes is synchronous, so that the production process of the product is carried out stably and efficiently.

Drawings

FIG. 1 is a process flow diagram of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

FIG. 1 shows a process flow diagram of the present invention.