Modified polyurethane/unsaturated polyester resin dibasic alcohol preparation method
A technology of polyester diol and polyester resin is applied in the field of preparation of flexible unsaturated polyester diol, which can solve the problems of high preparation cost, complicated operation and cumbersome operation, and achieve excellent product performance and controllable curing process. Effect
Active Publication Date: 2014-03-26
CHANGZHOU XIAOGUO INFORMATION SERVICES
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The invention relates to a modified polyurethane/unsaturated polyester resin dibasic alcohol preparation method belonging to the field of high molecular polymerization. By synthesizing flexible unsaturated polyester dibasic alcohol through multi-step polymerization, the flexible group proportion and the hydroxyl value are controllable; a flexible unsaturated polyester dibasic alcohol, isocyanate and diluter blending method is easy to implement in the production process; the curing process is controllable, and room-temperature curing can be realized; and modified polyurethane/unsaturated polyester resin cured products are excellent in performance. The invention can be widely used in industrial, agricultural and transportation occasions as well as some occasions of special applications.
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