High temperature and friction resistant release paper for optical protective film
A technology of protective film and high temperature resistance, which is applied in the field of composite paper, which can solve the problems of poor adhesion, high temperature resistance and friction resistance, etc., to solve the problems of high temperature resistance and friction resistance, and poor adhesion Effect
Active Publication Date: 2015-10-07
江苏福泰涂布科技股份有限公司
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Problems solved by technology
The high-temperature-resistant and friction-resistant release paper for the optical protective film of the present invention adopts a high-temperature-resistant and friction-resistant polyoxymethylene film (POM film, which can withstand a high temperature of 250 ° C, and the surface does not produce friction marks through a scratch test) to replace the traditional PE coating film, and Adding an adhesive layer between the POM film and the backing paper not only solves the problem of poor high temperature resistance and friction resistance of the traditional PE coating, but also solves the problem of poor adhesion between the POM film and the backing paper
Method used
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Embodiment
[0012] Embodiment: a kind of high-temperature and friction-resistant release paper for optical protective film is provided with base paper 1, plastic layer and release agent layer 4, and described plastic layer is polyoxymethylene film (POM film) 2, and described base paper An adhesive layer 3 is arranged between the polyoxymethylene film, the adhesive layer adheres the base paper and the polyoxymethylene film, and the release agent layer is coated on the polyoxymethylene film. The high-temperature-resistant and friction-resistant release paper for optical protective film of the present invention adopts a high-temperature-resistant polyoxymethylene film (POM film, which can withstand a high temperature of 250 ° C, and the surface does not produce friction marks through a scratch test) to replace the traditional PE coating film, and the POM film Adding an adhesive layer between the backing paper and the backing paper not only solves the problem of poor high temperature resistanc...
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Abstract
The invention discloses a high-temperature-resistant and wear-resistant release paper for an optical protective film, which is provided with a body paper, a plastic layer and a release agent layer, wherein the plastic layer is made of a polyformaldehyde (POM) film instead of the traditional PE (Poly Ethylene) film, and a bonding layer is additionally arranged between the POM film and the body paper, so that the problems of poor high temperature and wear resistance of the traditional PE film and poor bonding property between the POM film and the body paper are solved. The high-temperature-resistant and wear-resistant release paper for the optical protective film, provided by the invention, can be widely applied as a release body paper of a high-temperature electronic die cutting protective film and is resistant to the highest temperature up to 250 DEG C; and proved by scratch experiments, the surface of the high-temperature-resistant and wear-resistant release paper generates no abrasion marks.
Description
technical field [0001] The invention belongs to the field of composite paper, and mainly relates to a release paper used for an optical protective film. Background technique [0002] Release paper, also known as silicone oil paper or anti-sticking paper, can be divided into three categories according to raw materials: glassine release paper, polyethylene coated release paper (PEK) and kaolin coated release paper. Among them, polyethylene coated release paper is mass-produced in China because of its dimensional stability and other advantages, and is widely used in tapes, advertising and other industries. Among them, almost all or most of the protective films used in the electronic die-cutting industry use PEK release paper . [0003] The protective film used in the electronic die-cutting industry puts forward very strict requirements on the release backing paper, such as high temperature resistance and abnormally smooth PEK surface. However, PEK release paper has poor high ...
Claims
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IPC IPC(8): D21H27/38B32B27/10B32B27/42B32B7/12
Inventor 张言波
Owner 江苏福泰涂布科技股份有限公司