Preparation method of hot melt pressure-sensitive adhesive material

Abstract

The invention relates to a preparation method of a hot melt pressure-sensitive adhesive material. The preparation method mainly comprises the following steps: firstly, preparation of solvent-free composite body paper, namely coating a solvent-free solution on body paper, and then drying; secondly, preparation of raw materials of pressure-sensitive adhesive material glue water, namely preparing thermoplastic elastomer, thermoplastic rubber, terpene resin, rosin glycerin ester, antioxidant and white naphthenic oil; thirdly, rubber coating, namely coating the prepared glue water on a shell fabric prepared in advance on a rubber coating device; fourthly, preparation of pressure-sensitive adhesive, namely coating the glue water on the shell fabric, and then adhering the solvent-free composite body paper with the shell fabric together so as to obtain the pressure-sensitive adhesive material. The pressure-sensitive adhesive material has an environment-friendly effect; the pressure-sensitive adhesive material prepared according to the method is good in physical performance, and has the advantages of glue water such as lasting adhesive strength and stable initial adhesive strength.

Description

technical field [0001] The invention relates to the field of daily necessities, in particular to a method for preparing a hot-melt adhesive self-adhesive material. Background technique [0002] With the continuous improvement of people's living standards, people pay more and more attention to the environmental protection performance of self-adhesive materials, which are popular in more than a dozen industries, among which the demand for self-adhesive materials used in medicine, food, and daily chemicals continues to increase. Stretching, environmentally friendly hot-melt self-adhesive materials have become people's first choice. [0003] At present, the self-adhesive materials used in medicine, food, office, etc. in the international market are as follows: 1. The substrate of the composite material: because it uses PE film on the surface of the base paper, and silicone oil on the surface of the PE film, the resulting For composite substrates, the silicone oil working fluid ...

AI Technical Summary

Problems solved by technology

[0003] At present, the self-adhesive materials used in medicine, food, office, etc. in the international market are as follows: 1. The substrate of the composite material: because it uses PE film on the surface of the base paper, and silicone oil on the surface of the PE film, the resulting For composite substrates, the silicone oil working fluid uses solvent-containing silicone oil, whose performance does not meet the physical indicators of environmental protection. It has certain disadvantages when used in composite materials such as medicine, food, and daily chemicals; 2. The performance of glue: glue It is mainly water-based, and the initial viscosity of ordinary water glue is weak. These shortcomings bring hidden dangers to the performance of the product and affect the life of the product; 3. Ordinary dare not glue materials

The warping of the finished product is high, but the grip is not enough

And the environmental protection performance is poor, which causes the service life of the product to be reduced, and the safety performance is not guaranteed.