Preparation method of polyvinyl chloride plastic paste cross-linking agent

Abstract

The invention provides a preparation method of a polyvinyl chloride plastic paste cross-linking agent, and relates to the technical field of cross-linking agents, and the cross-linking agent is prepared from the following raw materials: 30-40% of epoxy resin modified amino resin, 20-30% of polyethylene glycol modified polyvinyl chloride, and 20-35% of p-hydroxybenzoic acid modified polyvinyl chloride. The preparation method comprises the following steps: weighing 35-40% of amino resin, 35-40% of epoxy resin, 10-15% of isopropanol and 5-10% of p-hydroxyaniline, adding the amino resin, the epoxy resin, the isopropanol and the p-hydroxyaniline into a reaction kettle for reaction, starting a stirrer of the reaction kettle for stirring the amino resin, the epoxy resin, the isopropanol and the p-hydroxyaniline, controlling the rotating speed of the stirrer to be 100-150r / min and the reaction temperature to be 50-70 DEG C, and stirring for 30-60 minutes; the reaction time is 10-20 minutes, and carrying out vacuum drying treatment after the reaction is finished. According to the preparation method, the problems that a cross-linking agent prepared by a traditional preparation method is non-uniform in extinction effect and relatively high in production cost, and the preparation efficiency of a polyvinyl chloride plastic paste cross-linking agent is reduced are solved.

Description

technical field [0001] The invention relates to the technical field of crosslinking agents, in particular to a preparation method of a polyvinyl chloride plastic paste crosslinking agent. Background technique [0002] Cross-linking agent, also known as bridging agent, is an important part of polyhydrocarbon photoresist. The photochemical curing of this photoresist depends on the cross-linking agent with dual photosensitive functional groups to participate in the reaction. The cross-linking agent generates diradicals after exposure, which interacts with polyhydrocarbon resins to form bridges between polymer molecular chains and become insoluble substances with three-dimensional structures. The cross-linking methods of resins mainly include radiation cross-linking and chemical There are two ways of cross-linking. Organic peroxide is the most widely used type of cross-linking agent in industry. Sometimes in order to increase the degree of cross-linking and cross-linking speed, ...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings in the prior art that the matting effect of the crosslinking agent prepared by the traditional preparation method is not uniform, the production cost is high, and the preparation efficiency of the polyvinyl chloride plastic paste crosslinking agent is reduced. Preparation method of ethylene plastic paste crosslinking agent