CN111038164A - Transfer printing method for manufacturing multicolor tablecloth - Google Patents
Transfer printing method for manufacturing multicolor tablecloth Download PDFInfo
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- CN111038164A CN111038164A CN201911415234.1A CN201911415234A CN111038164A CN 111038164 A CN111038164 A CN 111038164A CN 201911415234 A CN201911415234 A CN 201911415234A CN 111038164 A CN111038164 A CN 111038164A
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Abstract
The invention relates to the technical field of transfer printing, in particular to a transfer printing method for manufacturing a colorful tablecloth, which comprises the following steps: 1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the water-based ink to the surface of the PET film to form a printed pattern; 2) selecting a yarn cloth PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer; 3) performing nesting embossing on the patterns printed on the surface of the PVC layer and the periphery of the patterns; 4) thermally attaching one side of the PET film subjected to blade coating and transfer printing by using water-based ink to the surface of the PVC layer subjected to the nesting embossing treatment; 5) peeling the PET film and the PVC layer after thermal bonding, and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner; 6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth. The method combines transfer printing, sleeve position embossing, sleeve position heat transfer and automatic rolling to make the manufactured multicolor tablecloth have good glossiness and layering.
Description
Technical Field
The invention relates to the technical field of transfer printing, in particular to a transfer printing method for manufacturing a colorful tablecloth.
Background
The tablecloth product plays a role in lifting at home decoration, more and more people seek perfect life, and the demand for the tablecloth is large and high. Most of the traditional tablecloths are directly printed by PVC (polyvinyl chloride), the color brightness is low, the saturation is low, the layering sense is poor, and in addition, the PVC material is limited by the conditions of easy aging, obsolescence and the like, so that consumers feel the beauty shortage.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the transfer printing method for manufacturing the multicolor tablecloth, and the method combines transfer printing, sleeve position embossing, sleeve position heat transfer and automatic rolling to ensure that the manufactured multicolor tablecloth has good glossiness, high refractivity, strong three-dimensional layering, luxuriant patterns, bright and colorful surface, environmental protection and no toxicity.
The purpose of the invention is realized by the following technical scheme: a transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
The colorful tablecloth with the colorful effect can be prepared by the method, so that the colorful tablecloth has the advantages of good glossiness, high refractivity, strong three-dimensional layering, luxuriant patterns, bright and colorful surface, environmental friendliness and no toxicity. The method changes the dull and dull effect of the upper surface of the product of the traditional gold and silver tablecloth production process by combining transfer printing, nesting embossing and nesting heat transfer, and breaks down the printed colors through the pearly-lustre printing and high-temperature heat transfer process, so that the product colors have stronger practicability, richer colors and more vivid pattern stereoscopic impression.
Preferably, the water-based ink in the step 1) comprises the following raw materials in parts by weight: 30-40 parts of waterborne polyurethane resin, 1-5 parts of pigment, 5-10 parts of film forming agent, 1-5 parts of heat stabilizer, 1-3 parts of waterborne flatting agent, 0.1-2 parts of defoaming agent and 4-8 parts of humectant; the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is carbon black or titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organosiloxane complexing agent; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is at least one of ethylene oxide, propylene oxide, acrylic resin, urea-formaldehyde resin and melamine-formaldehyde resin; more preferably, the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.4-0.8:0.6-1.0: 0.8-1.2;
each part of the film forming agent is at least one of methanol, ethanol, butanol, propanol, glycol ether, propylene glycol ether, acetone and butanone; more preferably, the film forming agent is a mixture of ethylene glycol, glycol ether and acetone in a weight ratio of 0.4-0.8:0.8-1.2: 0.6-1.0.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 70-80 ℃, stirring at the speed of 300-400r/min for 60-90min, then slowly adding the heat stabilizer and the humectant, and continuously stirring for 2-4h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 60-80 ℃, stirring for 40-60min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring at the normal temperature of 600r/min for 20-40min, and defoaming to obtain the water-based ink finished product.
The water-based ink adopted by the invention has the characteristics of no toxicity, no pollution, high color brightness saturation, rubbing resistance, excellent drying property and adhesion fastness, excellent printing transfer property and good layer reproducibility, and in addition, the water-based ink has no solvent residue in the preparation or transfer printing process, so that the hidden danger of flammability and explosiveness of a workplace is effectively eliminated, and no adverse effect is caused to printing operators, wherein the water-based polyurethane is used as a connecting material, and the film forming agent is added, so that the prepared water-based ink is not only environment-friendly, but also solves the anti-sticking phenomenon in the printing process, further promotes the improvement of thermal property, mechanical property and hydrophobic property, and effectively improves the properties of the ink, such as heat resistance, weather resistance, stability and the like. In the process of preparing the water-based ink, the stirring speed in the step S1 needs to be strictly controlled to be 300-400r/min, if the stirring speed is too slow, the film-forming agent and the water-based polyurethane resin are unevenly dispersed, the subsequent compounding with each reagent is not facilitated, and the performance of the prepared water-based ink is reduced; in step S2, the heating temperature needs to be strictly controlled to be 60-80 ℃, and if the heating temperature is too high, van der waals force between the defoaming agent and the molecules of the mixed solution is relatively reduced, which is not favorable for dispersion between the defoaming agent and the molecules of the mixed solution, and further causes the defoaming effect of the defoaming agent to be reduced, and if the heating temperature is too high, partial film-forming agent is volatilized, and further the viscosity of the mixed solution is increased, and the fluidity is relatively reduced, so that the efficiency of the prepared water-based ink in the transfer process is deteriorated.
Preferably, the PVC yarn used in step 2) is obtained by adding chlorinated rubber into knitting yarn and performing calendering treatment. More preferably, the chlorinated rubber is in the type CR-10-20-30.
The PVC yarn pressed by the method has the characteristics of soft hand feeling and good elasticity, and is beneficial to subsequent printing with pearlescent ink.
Preferably, the pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 10-20min according to the weight ratio of 0.5-1.5: 5-9; the pearl gold powder is a mixture of 400 meshes of pearl gold powder and 800 meshes of pearl gold powder according to the weight ratio of 0.3-0.5: 0.5-0.7.
The pearlescent ink disclosed by the invention adopts a mixed liquid of the pearlescent gold powder and the PTU transparent gold oil, wherein the PTU transparent gold oil has high elasticity, good hand feeling, excellent adhesive force and high temperature resistance, and the adhesive force and the coating hand feeling of the pearlescent ink are improved.
Preferably, the upper part and the periphery of the patterns on the surface of the PVC layer are preheated before the nesting embossing treatment in the step 3), the temperature during preheating is controlled to be 90-130 ℃, the pressure during embossing is 0.28-0.32MPa, and the embossing speed is 28-32 m/min. The temperature in the step 4) of thermal bonding is 55-75 ℃.
Preferably, the PET film and the PVC layer in the step 5) need to be treated by a coating and scraping device before being peeled, the tension of the coating and scraping device is controlled to be 0.08-0.12MPa, the oblique angle between a scraper and the PET film needs to be controlled to be 43-47 degrees during coating and scraping, and the coating and scraping speed is 58-62 m/min.
In the invention, in the step 5), the oblique angle between the scraper and the PET film needs to be controlled to be 43-47 degrees, so that the color registration is accurate in printing effect and the stripping effect is better
Preferably, in the step 1), before the thermal transfer printing, a release agent needs to be sprayed on the transfer printing side of the PET film, wherein the release agent is an L-303 release agent; the temperature during thermal transfer is 180-200 ℃.
The L-303 release agent adopted in the invention has good transferability to film transfer, and ensures the subsequent transfer printing of the printing pattern in the step 1), so that the prepared product has good brightness, embossing effect, definition, softness and three-dimensional effect.
The invention has the beneficial effects that: the method adopted by the invention can prepare the colorful tablecloth with the colorful effect, so that the colorful tablecloth has good glossiness, high refractivity, strong three-dimensional layering sense, luxuriant patterns, bright and colorful surface, environmental protection and no toxicity; in addition, the method changes the dull and dull effect of the upper surface of the product of the traditional gold and silver tablecloth production process by combining transfer printing, sleeve position embossing and sleeve position heat transfer, and the design color is dropped and printed by the pearly-lustre printing and high-temperature heat transfer process, so that the practicability of the product design color is stronger, the color is richer, and the pattern stereoscopic impression is more vivid.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature during thermal transfer was 180 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is carbon black; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.4:0.6: 0.8;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.4:0.8: 0.6.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 70 ℃, stirring at the speed of 300r/min for 60min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 2h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 60 ℃, stirring for 40min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring for 20min at normal temperature at the speed of 400r/min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 10min according to the weight ratio of 0.5-1.5: 5-9; the pearl gold powder is a mixture of 400-mesh pearl gold powder and 800-mesh pearl gold powder according to a weight ratio of 0.3: 0.5.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 90 ℃, the embossing pressure is 0.28MPa, and the embossing speed is 28 m/min. The temperature at the time of thermal bonding in step 4) was 55 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.08MPa, the oblique angle between a scraper and the PET film needs to be controlled at 43 degrees during coating and scraping, and the coating and scraping speed is 58 m/min.
Example 2
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature at the time of thermal transfer was 185 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.5:0.7: 0.9;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.5:0.9: 0.7.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 73 ℃, stirring at the speed of 325r/min for 68min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 2.5h to obtain a mixture A for later use;
and S2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 65 ℃, stirring for 45min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring at the normal temperature of 450r/min for 25min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 13min according to the weight ratio of 0.75: 6; the pearl gold powder is a mixture of 400-mesh pearl gold powder and 800-mesh pearl gold powder according to a weight ratio of 0.35: 0.55.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 100 ℃, the embossing pressure is 0.29MPa, and the embossing speed is 29 m/min. The temperature at the time of thermal bonding in step 4) was 60 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.09MPa, the oblique angle between a scraper and the PET film needs to be controlled at 44 degrees during coating and scraping, and the coating and scraping speed is 59 m/min.
Example 3
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature at the time of thermal transfer was 190 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.6:0.8: 1.0;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.6:1.0: 0.8.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 75 ℃, stirring at a speed of 350r/min for 72min, then slowly adding the heat stabilizer and the humectant, and continuously stirring for 3h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 70 ℃, stirring for 50min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring for 30min at normal temperature at the speed of 500r/min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 15min according to the weight ratio of 1.0: 7; the pearl gold powder is a mixture of 400 meshes of pearl gold powder and 800 meshes of pearl gold powder according to a weight ratio of 0.4: 0.6.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 110 ℃, the embossing pressure is 0.3MPa, and the embossing speed is 30 m/min. The temperature at the time of thermal bonding in step 4) was 65 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.1MPa, the oblique angle between a scraper and the PET film needs to be controlled at 45 degrees during coating and scraping, and the coating and scraping speed is 59 m/min.
Example 4
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature at the time of thermal transfer was 195 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.7:0.9: 1.1;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.7:1.1: 0.9.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 78 ℃, stirring at a speed of 375r/min for 82min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 3.5h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 75 ℃, stirring for 55min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring at the normal temperature at the speed of 550r/min for 35min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 18min according to the weight ratio of 1.25: 8; the pearl gold powder is a mixture of 400-mesh pearl gold powder and 800-mesh pearl gold powder according to a weight ratio of 0.45: 0.65.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 120 ℃, the embossing pressure is 0.31MPa, and the embossing speed is 31 m/min. The temperature at the time of thermal bonding in step 4) was 70 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.11MPa, the oblique angle between a scraper and the PET film needs to be controlled at 46 degrees during coating and scraping, and the coating and scraping speed is 61 m/min.
Example 5
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature during thermal transfer was 200 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.8:1.0: 1.2;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.8:1.2: 1.0.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 80 ℃, stirring at a speed of 400r/min for 90min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 4h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 80 ℃, stirring for 60min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring at the normal temperature at the speed of 600r/min for 40min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment. More preferably, the chlorinated rubber is in the type CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 20min according to the weight ratio of 1.5: 9; the pearl gold powder is a mixture of 400-mesh pearl gold powder and 800-mesh pearl gold powder according to a weight ratio of 0.5: 0.7.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 130 ℃, the embossing pressure is 0.32MPa, and the embossing speed is 32 m/min. The temperature at the time of thermal bonding in step 4) was 75 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.12MPa, the oblique angle between a scraper and the PET film needs to be controlled at 47 degrees during coating and scraping, and the coating and scraping speed is 62 m/min.
Comparative example 1
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature during thermal transfer was 180 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is carbon black; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.4:0.6: 0.8;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.4:0.8: 0.6.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 70 ℃, stirring at the speed of 300r/min for 60min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 2h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 60 ℃, stirring for 40min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring for 20min at normal temperature at the speed of 400r/min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearlescent ink in the step 2) is a commonly used pearlescent ink with the model number of HK-9327 on the market.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 90 ℃, the embossing pressure is 0.28MPa, and the embossing speed is 28 m/min. The temperature at the time of thermal bonding in step 4) was 55 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.08MPa, the oblique angle between a scraper and the PET film needs to be controlled at 43 degrees during coating and scraping, and the coating and scraping speed is 58 m/min.
Comparative example 2
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature at the time of thermal transfer was 190 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.6:0.8: 1.0;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.6:1.0: 0.8.
The water-based ink is prepared by the following method:
s1, adding the water-based acrylic emulsion and the film-forming agent into a stirring device, heating to 75 ℃, stirring at a speed of 350r/min for 72min, then slowly adding the heat stabilizer and the humectant, and continuously stirring for 3h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 70 ℃, stirring for 50min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring for 30min at normal temperature at the speed of 500r/min, and defoaming to obtain a water-based ink finished product.
The PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment; preferably, the chlorinated rubber is in the model of CR-10-20-30.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 15min according to the weight ratio of 1.0: 7; the pearl gold powder is a mixture of 400 meshes of pearl gold powder and 800 meshes of pearl gold powder according to a weight ratio of 0.4: 0.6.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 110 ℃, the embossing pressure is 0.3MPa, and the embossing speed is 30 m/min. The temperature at the time of thermal bonding in step 4) was 65 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.1MPa, the oblique angle between a scraper and the PET film needs to be controlled at 45 degrees during coating and scraping, and the coating and scraping speed is 59 m/min.
Comparative example 3
A transfer printing method for manufacturing a magic color tablecloth comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
In the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature during thermal transfer was 200 ℃.
The water-based ink in the step 1) comprises the following raw materials in parts by weight:
the type of the waterborne polyurethane resin is PU-3641.
Each part of the pigment is titanium dioxide; each part of the water-based flatting agent is polydimethylsiloxane emulsion; each part of the defoaming agent is an organic siloxane complexing agent with the model of USA-BNK-NSF 064; each part of the humectant is hydroxyethyl urea;
each part of the heat stabilizer is a mixture of ethylene oxide, acrylic resin and urea resin according to the weight ratio of 0.8:1.0: 1.2;
each part of the film forming agent is a mixture of glycol, glycol ether and acetone according to the weight ratio of 0.8:1.2: 1.0.
The water-based ink is prepared by the following method:
s1, adding the waterborne polyurethane resin and the film forming agent into a stirring device, heating to 80 ℃, stirring at a speed of 400r/min for 90min, slowly adding the heat stabilizer and the humectant, and continuously stirring for 4h to obtain a mixture A for later use;
s2, adding the water-based leveling agent and the defoaming agent into the mixture A obtained in the step S1, heating to 80 ℃, stirring for 60min, cooling to adjust the viscosity of the mixed solution, adding the pigment, stirring at the normal temperature at the speed of 600r/min for 40min, and defoaming to obtain a water-based ink finished product.
The pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and PTU transparent gold oil for 20min according to the weight ratio of 1.5: 9; the pearl gold powder is a mixture of 400-mesh pearl gold powder and 800-mesh pearl gold powder according to a weight ratio of 0.5: 0.7.
Preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled at 130 ℃, the embossing pressure is 0.32MPa, and the embossing speed is 32 m/min. The temperature at the time of thermal bonding in step 4) was 75 ℃.
And (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled at 0.12MPa, the oblique angle between a scraper and the PET film needs to be controlled at 47 degrees during coating and scraping, and the coating and scraping speed is 62 m/min.
The water-based inks prepared in the specific example 3 and the comparative example 2 were applied to a PVC substrate to perform physical property tests (wherein the test standard for fineness was GB/T13217.3-2008, the test standard for viscosity was GB/T13217.4-2008, the test standard for gloss was GB/T13217.2-2009, the test standard for tinting strength was GB/T13217.6-2008, the test standard for adhesion was GB/T13217.7-2009, and the test standard for VOC content was GB 18582:2008), and the results are shown in table 1.
TABLE 1
From the above results, it is understood that the aqueous ink obtained in example 3 of the present invention is excellent in various properties, particularly fineness, viscosity, gloss, tinting strength and adhesion, and is suitable for mass production.
The magic color effects and the three-dimensional layering of the magic color tablecloths prepared in the specific examples 1 to 5 and the comparative examples 1 and 3 were observed, and the glossiness (GB/T13217.2-2009) was measured, and the results are shown in Table 2.
TABLE 2
| Item | Magical color effect | Stereo layering sense | Gloss (%) |
| Example 1 | Is remarkable in that | High strength | ≥60 |
| Example 2 | Is remarkable in that | High strength | ≥60 |
| Example 3 | Is remarkable in that | High strength | ≥60 |
| Example 4 | Is remarkable in that | High strength | ≥60 |
| Example 5 | Is remarkable in that | High strength | ≥60 |
| Comparative example 1 | In general | In general | ≥30，≤60 |
| Comparative example 3 | In general | In general | ≥30，≤60 |
From the above results, the color intrigue tablecloth prepared in the embodiment 3 of the invention has the advantages of good color intrigue effect, high glossiness, high refractivity, strong three-dimensional layering, luxuriant patterns and bright and colorful surface.
Compared with the example 1, the HK-9327 pearl ink replaces the mixture obtained by mixing and stirring the pearl gold powder and the PTU transparent gold oil for 10min according to the weight ratio of 0.5:5 in the process for preparing the magic color tablecloth in the comparative example 1, and the appearance effect of the magic color tablecloth prepared by the process is observed, so that the magic color effect, the three-dimensional layering sense and the glossiness of the magic color tablecloth are remarkably reduced; the invention shows that the transfer printing of the mixture obtained by mixing and stirring the pearl gold powder and the PTU transparent gold oil for 10min according to the weight ratio of 0.5:5 is adopted in the process for preparing the multicolor tablecloth, so that the prepared multicolor tablecloth has good multicolor effect, glossiness and strong three-dimensional layering sense, and is suitable for large-scale production.
In contrast to example 5, the PVC yarn used in comparative example 3, which was limited in the process for preparing the multicolor tablecloth, was not obtained by adding chlorinated rubber to knitting yarns and subjecting the resultant yarns to a calendering process. Observing the appearance effect of the colorful tablecloth prepared by the process, and finding that the colorful effect, the three-dimensional layering and the glossiness of the colorful tablecloth are remarkably reduced; the PVC yarn adopted in the process for preparing the multicolor tablecloth is obtained by adding chlorinated rubber into knitting yarn and performing calendering treatment. Preferably, the chlorinated rubber is CR-10-20-30 in model number, so that the prepared multicolor tablecloth has good multicolor effect, glossiness and strong three-dimensional layering sense, and is suitable for large-scale production.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A transfer printing method for manufacturing a colorful tablecloth is characterized in that: the method comprises the following steps:
1) selecting a non-corona-treated PET film, and carrying out blade coating and transfer printing on the high-brightness transparent water-based ink on the surface of the PET film by using a thermal transfer printing technology to form a printing pattern;
2) selecting a yarn PVC layer, and printing a pearlescent ink flower type pattern on the surface of the PVC layer;
3) performing nesting embossing treatment on the patterns and the peripheries of the patterns printed on the surface of the PVC layer in the step 2);
4) thermally attaching one side of the PET film transfer printing color coated and transferred by the water-based ink in the step 1) to the surface of the PVC layer subjected to the nesting embossing treatment in the step 3);
5) stripping the PET film and the PVC layer after the heat bonding in the step 4), and transferring the printing patterns to the pearlescent ink flower type patterns and the embossing patterns on the surface of the PVC layer in an alignment manner;
6) cooling, shaping and rolling to obtain the finished product of the colorful tablecloth.
2. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: the water-based ink in the step 1) comprises: 30-40 parts of waterborne polyurethane resin, 1-5 parts of pigment, 5-10 parts of film forming agent, 1-5 parts of heat stabilizer, 1-3 parts of waterborne flatting agent, 0.1-2 parts of defoaming agent and 4-8 parts of humectant.
3. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: the PVC yarns adopted in the step 2) are obtained by adding chlorinated rubber into knitting yarns and performing calendering treatment.
4. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: the pearl ink in the step 2) is a mixture obtained by mixing and stirring pearl gold powder and transparent gold oil according to the weight ratio of 0.5-1.5:5-9 for 10-20 min.
5. The transfer printing method for making a multicolor tablecloth according to claim 4, wherein the transfer printing method comprises the following steps: the pearl gold powder is a mixture of 400 meshes of pearl gold powder and 800 meshes of pearl gold powder according to the weight ratio of 0.3-0.5: 0.5-0.7.
6. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: preheating the pattern on the surface of the PVC layer and the periphery of the pattern before the nesting embossing treatment in the step 3), wherein the preheating temperature is controlled to be 90-130 ℃, the embossing pressure is 0.28-0.32MPa, and the embossing speed is 28-32 m/min.
7. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: the temperature in the step 4) of thermal bonding is 55-75 ℃.
8. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: and (5) before peeling the PET film and the PVC layer, the PET film and the PVC layer need to be processed by a coating and scraping device, the tension of the coating and scraping device is controlled to be 0.08-0.12MPa, the oblique angle between a scraper and the PET film needs to be controlled to be 43-47 degrees during coating and scraping, and the coating and scraping speed is 58-62 m/min.
9. The transfer printing method for making a multicolor tablecloth according to claim 1, wherein the transfer printing method comprises the following steps: in the step 1), before thermal transfer printing, a transfer printing side of the PET film needs to be sprayed with a release agent, wherein the release agent is an L-303 release agent; the temperature during thermal transfer is 180-200 ℃.
10. The transfer printing method for making a multicolor tablecloth according to claim 2, wherein: each part of the pigment is carbon black or titanium dioxide; each part of the heat stabilizer is at least one of ethylene oxide, propylene oxide, acrylic resin, urea-formaldehyde resin and melamine-formaldehyde resin.
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| CN115519865A (en) * | 2022-10-19 | 2022-12-27 | 东莞市悠悠美居家居制造有限公司 | Three-dimensional printing tablecloth and preparation method thereof |
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