Low noise adhesive tape and its preparing process

Abstract

The invention relates to a low noise adhesive tape, which comprises a BOPP film and pressure-sensitive adhesion layers which are coated on the inner surface and the outer surface of the BOPP film, and at least one parting layer, wherein the parting layer is prepared by components with the following weight proportioning, 1000 parts of dimethyl silicone polymer, 15-30 parts of polymethyl hydrogen siloxane, 40-55 parts of polymethyl (dimethylamino-2- ethyoxyl) siloxane, 40-55 parts of siloxane catalyst and 9500-25000 parts of solvent. The invention can make organosilicon primer reliably adhere on the film without conducting the corona treatment for the surface of the film, since the invention directly smears organosilicon primer which is prepared by right amount of dimethyl silicone polymer, polymethyl hydrogen siloxane, polymethyl (dimethylamino-2- ethyoxyl) siloxane, siloxane catalyst and solvent and the like on the outer surface of the BOPP film using as the parting layer of adhesive tape, which effectively simplifies the processing procedures of adhesive tape and reduces the production cost, and the adhesive tape which is produced has excellent stability.

Description

technical field [0001] The invention relates to a pressure-sensitive adhesive tape, in particular to a low-noise adhesive tape for box sealing and a preparation method thereof. Background technique [0002] At present, there is no release layer on the outer surface of the pressure-sensitive adhesive tape used for ordinary sealing. It is made of polypropylene base film without corona treatment on the outer surface, which is difficult to stick and produces release force, and the inner surface is corona treated. It is made of ordinary pressure-sensitive adhesive, so it makes harsh noise when unwinding, which seriously pollutes the working environment and affects the personal health of operators. It is difficult to be accepted by consumers. Therefore, in order to meet the needs of the market, the industry invented Low-noise adhesive tape, the basic process of making it is to use BOPP film as the base film, and then coat a layer of ordinary silicone oil on the outer surface of th...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to address the above-mentioned problems and deficiencies, to provide a method that does not require corona treatment on the outer surface of the film to allow the release layer to be reliably attached to the film, thereby effectively reducing its production cost and simplifying the processing procedure, and its A low-noise adhesive tape with good stability, no problems such as transfer of the bottom adhesive of the release layer, degumming, or degradation of physical properties, and minimal noise when the tape is unwound, and a preparation method thereof