Weak extinction plastic film, surface protection film and its application

Abstract

The invention provides a weak extinction plastic film, a surface protection film and its application. A specific structure design is applied, and the most basic structure is that the weak extinction plastic film comprises a base material layer, an adhesion enhancing layer and an extinction coating, wherein the extinction coating comprises a base resin and an extinction inorganic grain; the ratio of the extinction inorganic grain and the base resin is 1: 100-150; the dullness of the plastic film is 18-23%; the base material layer comprises polyethylene, polypropylene, polybutylene or its mixture; the base material layer must contain 1-20 wt% of ethylene- octylene copolymer; the adhesion enhancing layer includes polymer, coupling agent and tackifying resin which are the same as the base material layer; the base resin is the mixture of polyolefin resin and polyester resin; the extinction inorganic grain is nanometer titanium dioxide grain or nanometer silicon dioxide grain. Through composition and structure selection, the weak extinction plastic film with excellent extinction effect is acquired, and further applied to the surface protection film and the screen surface protection.

Description

technical field [0001] The invention relates to the field of a weakly matting plastic film, in particular to a weakly matting plastic film with a matting effect, and also relates to a surface protection film and its application in automobile interior screen protection. Background technique [0002] Plastic film is a kind of polymer material widely used in the prior art, and it is widely used in industry, agriculture and daily life. It has been found in actual use that it has strong reflective properties. Under strong light irradiation, it has strong reflective properties. Staring at it for a long time will cause discomfort to the eyes. It has become a problem to be solved urgently in the prior art to perform matting treatment on it. It is necessary to select the appropriate composition and matting agent to ensure the comprehensive performance of the weak matting plastic film. Surface protection film is a film layer material composed of plastic film and adhesive, which can h...

AI Technical Summary

Problems solved by technology

However, with the increase of the screen size of the center console and the improvement of the vehicle grade, there are also certain disadvantages, that is, when driving at night, the screen brightness is too large, which will stimulate the driver's eyes to a certain extent, so you can choose a surface protection Film, to reduce the brightness to a certain extent, but not excessively reduce the brightness of the screen during the day

The prior art is not clearly aware of this problem, and there is no weak extinction plastic film and surface protection film that can balance the above-mentioned many properties