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A kind of PVC paint film and preparation method thereof

A PVC film and paint film technology, applied in coatings, polyurea/polyurethane coatings, etc., can solve the problems of lack of ductility of coatings, cracking of coatings, poor weather resistance and scratch resistance of surface coatings, etc. Improve overall performance and application range

Active Publication Date: 2018-09-18
广州雷诺丽特塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The surface coating obtained by the former has poor weather resistance and scratch resistance, and is only used as a low-end interior decoration application that does not require high scratch resistance; the coating obtained by the latter is only suitable for simple flat decoration because of its lack of ductility Application, in processing applications, if there is stretching or the processing surface is slightly complicated (such as curved corners or embossed patterns), the coating will crack

Method used

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  • A kind of PVC paint film and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0021] A kind of embodiment of PVC paint film of the present invention, its preparation method comprises the following steps: (1) at first, stir hydroxyacrylic acid resin with mixer 2 minutes, make its system uniform, then weigh 100 parts by weight, then, Then weigh 33.3 parts by weight of hexamethylene diisocyanate, and add 33.3 parts by weight of methyl ethyl ketone, make it fully mixed with hexamethylene diisocyanate, slowly add to the weighed hydroxyacrylic acid resin while stirring Then add the copper powder of 0.1 weight part, and the benzophenone of 0.8 weight part and stir evenly, measure the viscosity of the mixed material with the viscosity cup, utilize the solvent to regulate the viscosity of material in 14 seconds, finally, adjust Good materials are added to the circulation pump and wait to start;

[0022] (2) Unwinding: Install the prepared PVC film on the unwinding machine, and pull it through the coating roller, then through the oven, and finally fix it on the w...

Embodiment 2

[0027] A kind of embodiment of PVC paint film of the present invention, its preparation method comprises the following steps: (1) at first, stir polyether resin with mixer 2.5 minutes, make its system uniform, then weigh 100 parts by weight, then, weigh again Measure 28 parts by weight of isocyanate, and add 28 parts by weight of ethyl acetate, make it fully mixed with isocyanate, slowly add it to the weighed polyether resin while stirring; then add 0.8 parts by weight of pearl powder, and 0.7 parts by weight Stir the benzophenone in parts by weight evenly, measure the viscosity of the mixed material with a viscosity cup, adjust the viscosity of the material to 15 seconds with a solvent, and finally, add the adjusted material to the circulating pump and wait for the machine to start;

[0028] (2) Unwinding: Install the prepared PVC film on the unwinding machine, and pull it through the coating roller, then through the oven, and finally fix it on the winding machine;

[0029] (...

Embodiment 3

[0033] A kind of embodiment of PVC paint film of the present invention, its preparation method comprises the following steps: (1) at first, stir hydroxyacrylic acid resin with mixer 3 minutes, make its system uniform, then weigh 100 parts by weight, then, Then weigh 22 parts by weight of hexamethylene diisocyanate, and add 22 parts by weight of cyclohexanone, make it fully mixed with hexamethylene diisocyanate, slowly add to the weighed hydroxyacrylic acid while stirring In the resin; Then add the aluminum silver paste of 2 weight parts, and the benzotriazole of 0.5 weight part and stir evenly, measure the viscosity of the mixed material with the viscosity cup, utilize the solvent to regulate the viscosity of material in 16 seconds, at last, Add the adjusted material to the circulation pump and wait for it to start;

[0034] (2) Unwinding: Install the prepared PVC film on the unwinding machine, and pull it through the coating roller, then through the oven, and finally fix it o...

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Abstract

The invention discloses a PVC paint film. The PVC paint film is prepared from the following raw materials by weight: 100 parts of acrylate or polyurethane, 10 to 33.3 parts of a curing agent, 0.1 to 0.8 part of an anti-UV agent, 0.1 to 5 parts of a metal or pearlescent pigment and 10 to 33.3 parts of a solvent. The invention also discloses a preparation method for the PVC paint film. According to the PVC paint film prepared by using the preparation method in the invention, a reactive dual-component coating system (i.e., acrylate or polyurethane and the curing agent) is selected and used, and the anti-UV agent and the special pigment with metal or pearlescent effect are added; uniform mixing is carried out, a PVC film is coated with the obtained mixture through roller coating and drying and curing are carried out so as to form the paint film; and the formed paint film has flexibility, weatherability and scrape resistance and presents special metallic or pearlescent surface effect.

Description

technical field [0001] The invention relates to the technical field of automobile decoration, in particular to a PVC paint film and a preparation method thereof. Background technique [0002] The existing PVC film roll coating treatment mainly uses ordinary printing ink, special pigments with metal or pearl effect as coating, or uses UV light curing coating to post-process the film to increase the added value of the product. The surface coating obtained by the former has poor weather resistance and scratch resistance, and is only used as a low-end interior decoration application that does not require high scratch resistance; the coating obtained by the latter is only suitable for simple flat decoration because of its lack of ductility Application, during processing and application, if there is stretching or the processing surface is slightly complicated (such as bending or embossing), the coating will crack. Contents of the invention [0003] Based on this, the object of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J7/04C08J5/18C09D175/04C09D175/08C09D7/61C09D7/62C08L27/06
CPCC08J5/18C08J7/0427C08J2327/06C08K3/08C08K3/22C08K3/34C08K9/10C08K2003/0806C08K2003/0812C08K2003/085C08K2003/2241C08K2003/2272C09D175/04C09D175/08
Inventor 曾勇军江溪
Owner 广州雷诺丽特塑料有限公司
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