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ENVIRONMENT-FRIENDLY FOAMING AGENT FOR POLYURETHANE RESINS, IN PARTICULAR FOR USE IN PRODUCTION OF RIGID POLYURETHANE FOAM ARTICLES
ENVIRONMENT-FRIENDLY FOAMING AGENT FOR POLYURETHANE RESINS, IN PARTICULAR FOR USE IN PRODUCTION OF RIGID POLYURETHANE FOAM ARTICLES
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机译:环保型聚氨酯树脂发泡剂,尤其用于生产硬质聚氨酯泡沫制品
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摘要
The use of a water alcohol solution mixed with perchloroethylene as foaming agent for the production of foamed polyurethane is disclosed. Particularly described is the use of an alcoholic distillate mixed with perchloroethylene. The alcoholic content of the solution and the distillate is between 30 and 90 degrees. Also the amounts of such agent to be used in the mixture are indicated as parts by weight with respect to the current components.
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