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METHOD FOR PREPARING INTELLIGENT STRESS RESPONSE TYPE SILICON-BORON POLYMER MICRO-GEL
METHOD FOR PREPARING INTELLIGENT STRESS RESPONSE TYPE SILICON-BORON POLYMER MICRO-GEL
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机译:智能应力响应型硅硼聚合物微凝胶的制备方法
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摘要
Disclosed is a method for preparing intelligent stress response type silicon-boron polymer micro-gel, comprising the following steps of: performing agitation reaction on pre-polyreaction liquid under 70-130°C for 1-6 hours; adding a di-functional chain extender to continue the agitation reaction for 2-6 hours with a reaction temperature being 30-90°C; and finally adding a functional modifying agent to perform the agitation reaction under 30-120°C for 4-8 hours, so as to obtain the intelligent stress response type silicon-boron polymer micro-gel. The pre-polyreaction liquid comprises: low molecular weight polyorganosiloxane occupying 75.0-96.5% of the mass of the pre-polyreaction liquid by weight; and a boron containing compound occupying 3.50-25.0% of the mass of the pre-polyreaction liquid by weight. The method for preparing intelligent stress response type silicon-boron polymer micro-gel of the present invention has a low reaction temperature and a simple operation, does not need a catalyser to be introduced, and facilitates large-scale production.
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