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Pyrography film and production process thereof

A production process and a technology on the other side, applied in the field of heat transfer film and its production process, can solve the problems of limited water resistance, insufficient adhesion, and unfavorable long-term preservation of patterns, and achieve good adhesion, weather resistance, and coloring properties. Good results

Active Publication Date: 2020-09-04
DONGGUAN XIONGLIN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some problems in the existing heat transfer film, such as insufficient adhesion, limited wear resistance, corrosion resistance, yellowing resistance, water resistance, etc. These disadvantages are not conducive to the long-term preservation of the pattern on the substrate

Method used

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  • Pyrography film and production process thereof
  • Pyrography film and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] This embodiment provides a heat transfer film, which includes a release layer of 8 μm, a base layer of 20 μm, a release layer of 15 μm, a polyurethane layer of 10 μm, an ink layer of 12 μm and an adhesive layer of 30 μm connected in sequence.

[0054] The raw materials for the preparation of polyurethane in the polyurethane layer include 30 parts of diisocyanate (isophorone diisocyanate), 60 parts of polyethylene glycol (MW=6000), 10 parts of chain extender (ethylene glycol), catalyst (octanoic acid ethylene glycol) Tin) 5 parts, antioxidant (CHEMNOX 1076) 5 parts, mesoporous silica nanoparticles (average particle diameter 400nm) 30 parts.

[0055] Its preparation method is:

[0056] (1) Coat the release layer on one side of the base layer and dry at 80°C for 7 hours;

[0057] (2) Coat the polyurethane layer on the side of the release layer away from the base layer, and dry at 40°C for 3 hours;

[0058] (3) Coat the ink layer on the side of the polyurethane layer away...

Embodiment 2

[0062] This embodiment provides a heat transfer film, which includes a release layer of 5 μm, a base layer of 15 μm, a release layer of 15 μm, a polyurethane layer of 10 μm, an ink layer of 10 μm and an adhesive layer of 30 μm connected in sequence.

[0063] The raw materials for the preparation of polyurethane in the polyurethane layer include 20 parts of diisocyanate (hexamethylene isocyanate), 40 parts of polyethylene glycol (MW=4000), 5 parts of chain extender (ethylenediamine), catalyst (dicaprylic acid Dibutyltin) 10 parts, antioxidant (CHEMNOX 1010) 10 parts, mesoporous silica nanoparticles (average particle size 500nm) 20 parts.

[0064] Its preparation method is:

[0065] (1) Coating a release layer on one side of the base layer and drying at 90°C for 6 hours;

[0066] (2) Coat the polyurethane layer on the side of the release layer away from the base layer, and dry at 60°C for 2 hours;

[0067] (3) Coat the ink layer on the side of the polyurethane layer away from ...

Embodiment 3

[0071] This embodiment provides a heat transfer film, which includes a release layer of 10 μm, a base layer of 25 μm, a release layer of 25 μm, a polyurethane layer of 20 μm, an ink layer of 15 μm and an adhesive layer of 50 μm connected in sequence.

[0072] The raw materials for preparing polyurethane in the polyurethane layer include 40 parts of diisocyanate (toluene diisocyanate), 80 parts of polyethylene glycol (MW=8000), 20 parts of chain extender (hexanediol), catalyst (dibutyltin dioctoate) ) 10 parts, antioxidant (CHEMNOX 1010) 10 parts, mesoporous silica nanoparticles (average particle diameter 200nm) 40 parts.

[0073] Its preparation method is:

[0074] (1) Coating a release layer on one side of the base layer and drying at 90°C for 6 hours;

[0075] (2) Coat the polyurethane layer on the side of the release layer away from the base layer, and dry at 60°C for 2 hours;

[0076] (3) Coat the ink layer on the side of the polyurethane layer away from the release laye...

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Abstract

The invention relates to a pyrography film and a production process thereof. The pyrography film comprises an anti-sticking layer, a substrate layer, a release layer, a polyurethane layer, an ink layer and a glue layer, wherein all the layers are sequentially connected. The pyrography film has a novel six-layer structure, and the release layer is used for better separating a carrier from the ink layer in the processing process; the anti-sticking layer is used for preventing the pyrography film to be stuck to the glue layer when the pyrography film is reeled; and the polyurethane layer is a main functional layer and is used for enabling the adhesive force and the weather-proof performance of the pyrography film to be better.

Description

technical field [0001] The invention belongs to the technical field of heat transfer film, and in particular relates to a heat transfer film and a production process thereof. Background technique [0002] Heat press is a type of printing, which is essentially a process of pre-printing patterns or text on the substrate film, and then printing the graphics and text of the printing layer on the substrate such as clothing through the action of heat and pressure. As a relatively mature printing technology, heat transfer is environmentally friendly, does not require plate making, does not require mass production, and can form multi-color patterns at one time without color registration. The pattern has rich layers, small color difference, and good reproducibility. It can reach the design pattern. required effect. However, there are still some problems in the existing heat transfer film, such as insufficient adhesion, limited performance such as wear resistance, corrosion resistanc...

Claims

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Application Information

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IPC IPC(8): B41M5/025C08G18/66C08G18/48C08G18/32C08K7/26B05D7/04B05D7/00
CPCB41M5/025C08G18/6674C08G18/6685C08G18/4833C08K7/26B05D7/04B05D7/584C08K2201/011B05D2503/00
Inventor 王一良何建雄杨博
Owner DONGGUAN XIONGLIN NEW MATERIAL TECH
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