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Adhesive film

A surface glue and film technology, which is applied in the crafts, textiles, papermaking, and papermaking used to produce decorative surface effects, can solve the problems of reducing production efficiency, increasing costs, and polluting the environment, so as to reduce solvent emissions and improve production Efficiency, the effect of improving production efficiency

Active Publication Date: 2021-12-03
HORIZON SPECIALTY MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These resin coatings are currently solvent-based coatings, and a large amount of organic solvent waste gas will be generated during production and use. In addition, most of the water transfer printing companies in China are small-scale companies, and basically they do not have sufficient and effective treatment of these organic solvents. The ability of solvent waste gas, thus also causing the industry to become a serious environment polluting industry
In addition, the method of screen printing is used to coat and form the coating film, which requires a long drying and drying time, thus greatly reducing production efficiency and increasing costs.

Method used

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Examples

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preparation example Construction

[0030] The existing water transfer printing decal paper preparation process is to use water transfer printing base paper 1 to form a printing layer 2 through screen printing, bronzing or other printing processes to obtain a target printing pattern. Then apply a flexible coating film to obtain the cover adhesive layer 3 . The flexible coating film is usually printed on the pattern by screen printing with an acrylic resin coating material.

[0031] However, this type of acrylic resin coating materials are currently solvent-based coatings, which will generate a large amount of organic solvent waste gas during production and use. In addition, most domestic water transfer printing companies are small-scale companies, basically do not It has the ability to fully and effectively deal with these organic solvent waste gases, which has also caused this industry to become an industry that pollutes the environment seriously. In addition, the method of screen printing is used to form the ...

Embodiment 1

[0054] Preparation of surface adhesive film: make a film with a tensile strength of 7Mpa and a thickness of 20μm by blowing, casting, calendering or laminating the mixed resin of 60% LDPE and 40% PE elastomer; And corona treatment is carried out on one side of it to make the surface tension reach more than 36 dynes.

Embodiment 2

[0056] Preparation of the face adhesive film: the mixed resin of 70% LLDPE and 30% PE elastomer is processed by film blowing, casting, calendering or laminating to make a film with a tensile strength of 8Mpa and a thickness of 15μm.

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Abstract

The present invention provides a face glue film, the face glue film is made of resin raw materials, wherein the resin raw materials include PE elastomer, PP elastomer, LDPE, LLDPE, metallocene PE, PP, binary or ternary One or more of random copolymerized PP, EBA, EEA, EMA, PBA, PEA, EVA, PVA, PU, ​​ABS, EPDM copolymer resin; the tensile strength of the resin raw material of the face film is 5~ 13Mpa. The present invention is used to replace the solvent-based cover adhesive layer of traditional decal paper, reduces emission and environmental protection, simplifies the preparation process of decal paper, greatly reduces cost, and is convenient for transportation and use.

Description

technical field [0001] The invention relates to the field of water-transfer printing decals, in particular to a special adhesive film for water-transfer printing decals. Background technique [0002] The principle of the water transfer printing process is to print the pattern on the base paper first, and then coat a layer of flexible coating film on the surface of the base paper with the printed pattern to make the water transfer decal paper, and then put the water transfer decal paper on it. Soak in water to dissolve the hydrosol of the water transfer decal paper in water, separate the patterned flexible coating film from the backing paper, and transfer the patterned flexible coating film to the surface of the substrate to complete the water transfer printing. [0003] In the existing water transfer printing paper, in order to realize the complete and convenient transfer of the printed pattern from the printing paper after being soaked in water, it is realized by coating a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B44C1/165D21H27/26D21H27/22
CPCB44C1/165D21H27/22D21H27/26
Inventor 郑少华邹卫红林启忠
Owner HORIZON SPECIALTY MATERIAL
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