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Method for preparing antistatic anti-UV modified PET / PC release film

An anti-ultraviolet and anti-static technology, which is applied in the direction of conductive coatings, radiation-absorbing coatings, coatings, etc., can solve the problem that the coating liquid does not have anti-ultraviolet rays, etc., and achieve improved anti-ultraviolet performance, increased stiffness and strength, and stable effects Effect

Inactive Publication Date: 2016-12-14
JIXIANGBAO TAICANG RELEASE MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The surface of the PET release film is usually coated with a layer of coating liquid to achieve waterproof and barrier properties. The coating liquid in the prior art does not have the function of preventing ultraviolet rays, which has a certain impact on the application of the release film.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] An antistatic and anti-ultraviolet modified PET / PC release film. The base film includes the following components in parts by weight: 30 parts of PET, 25 parts of PC, 15 parts of hydrogen-terminated silicone oil, 2 parts of modified montmorillonite 2 parts, 2 parts of nano-titanium nitride, 0.5 part of calcium stearate;

[0039] The release layer includes the following components by weight: 25 parts of conductive polymer resin, 25 parts of methyl hydrogen silicone oil, 32 parts of vinyl silicone resin, 0.6 part of initiator, 0.5 part of antioxidant, toughening agent 4 parts, 20 parts of toluene;

[0040] Its preparation method comprises the following steps:

[0041] (1) Weigh 30 parts of PET, 25 parts of PC, 15 parts of hydrogen-terminated silicone oil, 2 parts of modified montmorillonite, 2 parts of nano-titanium nitride, and 0.5 parts of calcium stearate, mix and modify, and melt-extrude to manufacture modification PET / PC composite base film sheet, the base film thic...

Embodiment 2

[0047] An antistatic and anti-ultraviolet modified PET / PC release film, the thickness of the base film is 100 microns, and the base film includes the following components in parts by weight: 50 parts of PET, 45 parts of PC, terminal hydrogen 25 parts of silicone oil, 8 parts of modified montmorillonite, 6 parts of nano titanium nitride, 1.5 parts of calcium stearate;

[0048] The thickness of the release layer is 30 nanometers, and the release layer includes the following components in parts by weight: 45 parts of conductive polymer resin, 45 parts of methyl hydrogen-containing silicone oil, 48 parts of vinyl silicone resin, 1.4 parts of initiator 1.5 parts of antioxidant, 7 parts of toughening agent, 35 parts of toluene;

[0049] Its preparation method comprises the following steps:

[0050] (1) Weigh 50 parts of PET, 45 parts of PC, 25 parts of hydrogen-terminated silicone oil, 8 parts of modified montmorillonite, 6 parts of nano-titanium nitride, and 1.5 parts of calcium s...

Embodiment 3

[0056] An antistatic and anti-ultraviolet modified PET / PC release film, the thickness of the base film is 30 microns, and the base film includes the following components in parts by weight: 35 parts of PET, 30 parts of PC, terminal hydrogen 18 parts of silicone oil, 3 parts of modified montmorillonite, 3 parts of nano titanium nitride, 0.8 parts of calcium stearate;

[0057] The thickness of the release layer is 10 nanometers, and the release layer includes the following components in parts by weight: 30 parts of conductive polymer resin, 30 parts of methyl hydrogen-containing silicone oil, 35 parts of vinyl silicone resin part, 0.8 part of initiator, 0.8 part of antioxidant, 5 parts of toughening agent, 25 parts of toluene;

[0058] Its preparation method comprises the following steps:

[0059] (1) Weigh 35 parts of PET, 30 parts of PC, 18 parts of hydrogen-terminated silicone oil, 3 parts of modified montmorillonite, 3 parts of nano-titanium nitride, and 0.8 parts of calciu...

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Abstract

The present invention relates to the field of release film preparation, and provides a method for preparing antistatic anti-UV modified PET / PC release film. The method includes a modified preparation of a composite base membrane, preparation of a coating liquid for a release layer, compound machine coating of an ultraviolet-resistant composite UV absorbent, and the heat curing and light curing of coated base membrane. The modified PET / PC composite release film prepared by the method has effectively improved stiffness and strength; heat curing and light curing make the outer ultraviolet-resistant layer more stable. The release film has excellent mechanical properties, good processability, and good anti-static and anti ultraviolet performance.

Description

technical field [0001] The invention relates to the technical field of release film preparation, in particular to a preparation method of an antistatic and anti-ultraviolet modified PET / PC release film. Background technique [0002] Polyethylene terephthalate (PET) is an important engineering plastic with excellent physical and mechanical properties Polycarbonate (PC) is a tough thermoplastic resin. The modified PET / PC release film is based on PET / PC film, and a layer of silicone oil is coated on the surface of PET / PC film, also known as silicone oil film, to make the surface of PET / PC film smooth, thereby reducing PET / PC film. The surface tension of the PC film makes it have better release force and achieve the effect of release. [0003] The conventional thickness of the modified PET release film is from 25 μm to 150 μm. There are hot and cold tearing and matte surface, after anti-static and anti-scratch treatment, the product has good adsorption and fit. [0004] Modif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C08J7/06C08L67/02C08L69/00C08L83/05C08K9/00C08K3/34C08K3/28C09D183/07C09D183/05C09D5/20C09D183/02C09D5/24C09D5/32
CPCC08J7/042C08J7/06C08J2367/02C08J2483/02C08J2483/04C08K2201/003C08K2201/011C08L67/02C08L2201/08C08L2205/03C09D5/20C09D5/24C09D5/32C09D183/02C09D183/04C08L69/00C08L83/04C08K9/00C08K3/346C08K3/28C08L101/12
Inventor 於险峰
Owner JIXIANGBAO TAICANG RELEASE MATERIAL TECH CO LTD
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