Production method of TPR shoe material surface treatment agent

Abstract

The invention discloses a production method of a TPR (thermoplastic rubber) shoe material surface treatment agent. The method comprises the following steps of: (1) heating an organic solvent in a reaction kettle; (2) adding 90-110 parts of an SBS elastomer, 55-65 parts of high-chlorinated polyethylene and 5 parts of chlorinated rubber into the organic solvent, and heating the reaction kettle; (3) adding 80-90 parts of a monomer MMA (methyl methacrylate); (4) adding 3.2 parts of an initiator, and conducting stirring and heating; (5) adding 12-17 parts of a monomer BA and 0.8 parts of the initiator, carrying out stirring and thermal insulation reaction; (6) after 2-5h of reaction, inputting 4 parts of a terminator, and lowering the temperature; (7) lowering the temperature to 50DEG C, thus obtaining a semi-finished product of the TPR treatment agent; and (8) using a mixed organic solvent semi-finished product to adjust the viscosity so as to obtain a finished product of the treatment agent. According to the invention, the heat resistance and yellowing resistance of the treatment agent are improved, the monomer conversion rate of the reaction system is improved, and the polarity of the treatment agent is greatly improved, so that effects of the treatment agent can be achieved.

Description

【Technical field】

[0001] The invention relates to the treatment of rubber materials, in particular to a method for surface treatment of rubber materials used in the shoemaking industry. 【Background technique】

[0002] Thermoplastic Rubber-TPR, also known as Thermoplastic Elastomer-TPE, is a material that combines rubber and thermoplastic specials. Thermoplastic elastomers have many possible structures. The most fundamental one is At least two mutually dispersed polymer phases are required. At normal service temperature, one phase is fluid and the other phase is solid, and there is an interaction between the two phases, that is, rubber elasticity at normal temperature and plasticity at high temperature. The chemically formed polymer material has the mechanical properties and performance similar to rubber, and can be processed and recycled as thermoplastics. It builds a bridge between plastics and rubber.

[0003] The commonly used thermoplastic styrene-butadiene rubber elast...

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