阅读说明：本技术 热升华转印纸及其制备方法 (Thermal sublimation transfer printing paper and preparation method thereof ) 是由 戚裕 王永新 周梦超 张莹 于 2018-06-28 设计创作，主要内容包括：本发明提供一种热升华转印纸及其制备方法,其中,所述热升华转印纸包括层叠设置的：基材层、第一涂层和第二涂层；所述第一涂层涂覆于所述基材层上,所述第二涂层涂覆于所述第二涂层上。本发明的热升华转印纸吸附吸附能力强,能够有效吸附热转印的颜料物质,同时,其兼容性好,可适应多种颜料的热转印,有效保证了热转印图案的质量。(The invention provides thermal sublimation transfer printing paper and a preparation method thereof, wherein the thermal sublimation transfer printing paper comprises the following components in a stacked mode: the coating comprises a base material layer, a first coating and a second coating; the first coating is coated on the base material layer, and the second coating is coated on the second coating. The thermal sublimation transfer printing paper has strong adsorption capacity, can effectively adsorb thermally transferred pigment substances, has good compatibility, can adapt to thermal transfer printing of various pigments, and effectively ensures the quality of thermal transfer printing patterns.)

1. The utility model provides a thermal sublimation changes printing paper, its characterized in that, thermal sublimation changes printing paper including range upon range of setting: the coating comprises a base material layer, a first coating and a second coating;

the first coating is coated on the substrate layer, the second coating is coated on the second coating, and the first coating comprises the following components in percentage by weight: 11-15% of polymer dihydric alcohol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide, 3-5% of polyvinyl ester, 5.8-7.6% of chlorosulfonated polyethylene, 7.8-9.5% of alkyl acrylate, 1.2-3.5% of thickening agent and 0.8-1.5% of buffering agent; the second coating comprises, in weight percent: 15-18% of bamboo wood powder, 12-16% of toluene diisocyanate, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate, 5-8% of vinyl acetate, 14-18% of n-butyl glycidyl ether, 1.8-2.3% of defoaming agent and 2.5-3.5% of film-forming agent.

2. The thermal sublimation transfer paper according to claim 1, wherein the first coating layer comprises, in weight percent: 12-15% of polymer dihydric alcohol, 10-11.5% of polyisocyanate resin, 7-13% of polytetrafluoroethylene, 6-6.5% of nano magnesium oxide, 4-5% of polyvinyl ester, 6.5-7.6% of chlorosulfonated polyethylene, 8-8.5% of alkyl acrylate, 2.5-3.5% of thickening agent and 1.2-1.5% of buffering agent.

3. The thermal sublimation transfer paper according to claim 1, wherein the second coating layer comprises, in weight percent: 17-18% of bamboo wood powder, 13.5-16% of toluene diisocyanate, 12.6-13% of ceramic powder, 8-9.5% of polyurethane resin, 7-8.6% of tetraisooctyl titanate, 6-7.2% of vinyl acetate, 15-18% of n-butyl glycidyl ether, 2.1-2.3% of defoaming agent and 2.8-3.2% of film forming agent.

4. The thermal sublimation transfer paper according to claim 1, wherein the thickener is one or more of hydroxyethyl cellulose, methyl hydroxyethyl cellulose and sodium polyacrylate.

5. The thermal sublimation transfer paper according to claim 1, wherein the buffer is one or more of citrate, lactate, soda ash and phosphate.

6. The thermal sublimation transfer paper according to claim 1, wherein the defoaming agent is one or more of dimethicone, polysiloxane-polyether copolymer, and tributyl phosphate.

7. The thermal sublimation transfer paper according to claim 1, wherein the film forming agent is one or more of polyvinyl alcohol, phenyl triethoxysilane, and sodium carboxymethylcellulose.

8. The thermal sublimation transfer paper according to claim 1, wherein the first coating layer further comprises, in weight percent: 6.5 to 8.5 percent of organosilicon modified epoxy resin and 6.5 to 7.5 percent of alkoxy silane.

9. The thermal sublimation transfer paper according to claim 1, wherein the second coating layer further comprises, in weight percent: 4.5 to 12 percent of urethane acrylate and 5.6 to 7.8 percent of dibutyltin dilaurate.

10. The preparation method of the thermal sublimation transfer printing paper is characterized by comprising the following steps:

s1, weighing 11-15% of polymer diol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide, 3-5% of polyvinyl ester, 5.8-7.6% of chlorosulfonated polyethylene, 7.8-9.5% of alkyl acrylate, 1.2-3.5% of thickening agent and 0.8-1.5% of buffering agent according to weight ratio, adding 11-15% of weighed polymer diol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide and 3-5% of polyvinyl ester into a first reaction kettle, stirring and mixing, stirring for 60-80min, adding 5.8-7.6% of chlorosulfonated polyethylene and 7.8-9.5% of alkyl acrylate, and adding 1.2-3.5% of the thickening agent and 0.8-1.5% of the buffer agent in a dropwise manner;

s2, weighing 15-18% of bamboo wood powder, 12-16% of toluene diisocyanate, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate, 5-8% of vinyl acetate, 14-18% of n-butyl glycidyl ether, 1.8-2.3% of defoaming agent and 2.5-3.5% of film forming agent according to the weight ratio, adding 15-18% of bamboo wood powder, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate and 5-8% of vinyl acetate into a second reaction kettle, stirring and mixing, stirring for 120 times and 150 minutes, adding 14-18% of weighed n-butyl glycidyl ether and 12-16% of toluene diisocyanate, and adding 1.8-2.3% of the defoaming agent and 2.5-3.5% of the film forming agent in a dropwise manner;

s3, providing a base material layer, coating the material obtained in the step S1 on the base material layer in a screen printing mode to form a first coating, after the first coating is dried and hardened, coating the material obtained in the step S2 on the first coating in a screen printing mode to form a second coating, and after the second coating is dried and hardened, obtaining the thermal sublimation transfer paper.

Technical Field

The invention relates to transfer printing paper, in particular to thermal sublimation transfer printing paper and a preparation method thereof.

Background

The thermal sublimation transfer printing is a process of printing pictures and texts such as human images, landscapes, characters and the like on thermal sublimation transfer printing ink jet paper in a mirror image mode by using an ink jet printer filled with thermal sublimation transfer printing ink, heating the pictures and texts to about 200 ℃ by using thermal transfer printing equipment, and sublimating and permeating the thermal transfer printing ink on the thermal sublimation transfer printing paper into a printing stock, thereby vividly transferring color images on the paper to materials such as textiles, porcelain cups, porcelain plates, metals and the like. Wherein, the quality of thermal sublimation transfer printing paper has important influence to the pattern of rendition, and the thermal sublimation that nevertheless has now changes printing paper and has not strong and the poor problem of compatibility of adhesion.

Therefore, it is necessary to provide a further solution to the above problems.

Disclosure of Invention

The invention aims to provide thermal sublimation transfer paper and a preparation method thereof, and aims to overcome the defects in the prior art.

In order to achieve the above object, the present invention provides a thermal sublimation transfer paper, which includes: the coating comprises a base material layer, a first coating and a second coating;

the first coating is coated on the substrate layer, the second coating is coated on the second coating, and the first coating comprises the following components in percentage by weight: 11-15% of polymer dihydric alcohol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide, 3-5% of polyvinyl ester, 5.8-7.6% of chlorosulfonated polyethylene, 7.8-9.5% of alkyl acrylate, 1.2-3.5% of thickening agent and 0.8-1.5% of buffering agent; the second coating comprises, in weight percent: 15-18% of bamboo wood powder, 12-16% of toluene diisocyanate, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate, 5-8% of vinyl acetate, 14-18% of n-butyl glycidyl ether, 1.8-2.3% of defoaming agent and 2.5-3.5% of film-forming agent.

As an improvement of the thermal sublimation transfer paper of the invention, the first coating layer comprises, in weight percent: 12-15% of polymer dihydric alcohol, 10-11.5% of polyisocyanate resin, 7-13% of polytetrafluoroethylene, 6-6.5% of nano magnesium oxide, 4-5% of polyvinyl ester, 6.5-7.6% of chlorosulfonated polyethylene, 8-8.5% of alkyl acrylate, 2.5-3.5% of thickening agent and 1.2-1.5% of buffering agent.

As an improvement of the thermal sublimation transfer paper of the invention, the second coating layer comprises, in weight percent: 17-18% of bamboo wood powder, 13.5-16% of toluene diisocyanate, 12.6-13% of ceramic powder, 8-9.5% of polyurethane resin, 7-8.6% of tetraisooctyl titanate, 6-7.2% of vinyl acetate, 15-18% of n-butyl glycidyl ether, 2.1-2.3% of defoaming agent and 2.8-3.2% of film forming agent.

As an improvement of the thermal sublimation transfer printing paper, the thickener is one or more of hydroxyethyl cellulose, methyl hydroxyethyl cellulose and sodium polyacrylate.

As an improvement of the thermal sublimation transfer printing paper, the buffer is one or more of citrate, lactate, soda ash and phosphate.

As an improvement of the thermal sublimation transfer paper, the defoaming agent is one or more of dimethyl silicone oil, polysiloxane-polyether copolymer and tributyl phosphate.

As an improvement of the thermal sublimation transfer paper, the film forming agent is one or more of polyvinyl alcohol, phenyl triethoxysilane and sodium carboxymethylcellulose.

As an improvement of the thermal sublimation transfer paper of the invention, the first coating layer further comprises, in weight percent: 6.5 to 8.5 percent of organosilicon modified epoxy resin and 6.5 to 7.5 percent of alkoxy silane.

As an improvement of the thermal sublimation transfer paper of the invention, the second coating layer further comprises, in weight percent: 4.5 to 12 percent of urethane acrylate and 5.6 to 7.8 percent of dibutyltin dilaurate.

In order to achieve the above object, the present invention provides a method for preparing thermal sublimation transfer paper, which is characterized by comprising the following steps:

s1, weighing 11-15% of polymer diol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide, 3-5% of polyvinyl ester, 5.8-7.6% of chlorosulfonated polyethylene, 7.8-9.5% of alkyl acrylate, 1.2-3.5% of thickening agent and 0.8-1.5% of buffering agent according to weight ratio, adding 11-15% of weighed polymer diol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide and 3-5% of polyvinyl ester into a first reaction kettle, stirring and mixing, stirring for 60-80min, adding 5.8-7.6% of chlorosulfonated polyethylene and 7.8-9.5% of alkyl acrylate, and adding 1.2-3.5% of the thickening agent and 0.8-1.5% of the buffer agent in a dropwise manner;

s2, weighing 15-18% of bamboo wood powder, 12-16% of toluene diisocyanate, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate, 5-8% of vinyl acetate, 14-18% of n-butyl glycidyl ether, 1.8-2.3% of defoaming agent and 2.5-3.5% of film forming agent according to the weight ratio, adding 15-18% of bamboo wood powder, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate and 5-8% of vinyl acetate into a second reaction kettle, stirring and mixing, stirring for 120 times and 150 minutes, adding 14-18% of weighed n-butyl glycidyl ether and 12-16% of toluene diisocyanate, and adding 1.8-2.3% of the defoaming agent and 2.5-3.5% of the film forming agent in a dropwise manner;

s3, providing a base material layer, coating the material obtained in the step S1 on the base material layer in a screen printing mode to form a first coating, after the first coating is dried and hardened, coating the material obtained in the step S2 on the first coating in a screen printing mode to form a second coating, and after the second coating is dried and hardened, obtaining the thermal sublimation transfer paper.

Compared with the prior art, the invention has the beneficial effects that: the thermal sublimation transfer printing paper has strong adsorption capacity, can effectively adsorb thermally transferred pigment substances, has good compatibility, can adapt to thermal transfer printing of various pigments, and effectively ensures the quality of thermal transfer printing patterns.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic plan view of an embodiment of a thermal sublimation transfer paper of the invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

As shown in fig. 1, the thermal sublimation transfer paper of the invention comprises, in a stacked arrangement: substrate layer 1, first coating 2 and second coating 3. The first coating layer 2 is coated on the base material layer 1, and the second coating layer 3 is coated on the second coating layer 3.

The first coating 2 comprises, in weight percent: 11-15% of polymer dihydric alcohol, 8-12% of polyisocyanate resin, 7-15% of polytetrafluoroethylene, 5-7% of nano magnesium oxide, 3-5% of polyvinyl ester, 5.8-7.6% of chlorosulfonated polyethylene, 7.8-9.5% of alkyl acrylate, 1.2-3.5% of thickening agent and 0.8-1.5% of buffering agent; the second coating 3 comprises, in weight percent: 15-18% of bamboo wood powder, 12-16% of toluene diisocyanate, 11-13% of ceramic powder, 8-11% of polyurethane resin, 6-10% of tetraisooctyl titanate, 5-8% of vinyl acetate, 14-18% of n-butyl glycidyl ether, 1.8-2.3% of defoaming agent and 2.5-3.5% of film-forming agent.

Preferably, the first coating 2 comprises, in weight percent: 12-15% of polymer dihydric alcohol, 10-11.5% of polyisocyanate resin, 7-13% of polytetrafluoroethylene, 6-6.5% of nano magnesium oxide, 4-5% of polyvinyl ester, 6.5-7.6% of chlorosulfonated polyethylene, 8-8.5% of alkyl acrylate, 2.5-3.5% of thickening agent and 1.2-1.5% of buffering agent. The second coating 3 comprises, in weight percent: 17-18% of bamboo wood powder, 13.5-16% of toluene diisocyanate, 12.6-13% of ceramic powder, 8-9.5% of polyurethane resin, 7-8.6% of tetraisooctyl titanate, 6-7.2% of vinyl acetate, 15-18% of n-butyl glycidyl ether, 2.1-2.3% of defoaming agent and 2.8-3.2% of film forming agent.

Wherein the thickener is one or more of hydroxyethyl cellulose, methyl hydroxyethyl cellulose and sodium polyacrylate. The buffer is one or more of citrate, lactate, soda ash and phosphate. The defoaming agent is one or more of dimethyl silicone oil, polysiloxane-polyether copolymer and tributyl phosphate. The film forming agent is one or more of polyvinyl alcohol, phenyl triethoxysilane and sodium carboxymethylcellulose.

In addition, the first coating 2 further comprises, in weight percent: 6.5 to 8.5 percent of organosilicon modified epoxy resin and 6.5 to 7.5 percent of alkoxy silane. The second coating 3 further comprises, in weight percent: 4.5 to 12 percent of urethane acrylate and 5.6 to 7.8 percent of dibutyltin dilaurate.

The method for producing the thermal sublimation transfer paper of the present invention will be described below by way of example with reference to specific examples.