专利名称：Phenol-formaldehydebased urethane foams发明人：Anil B. Goel申请号：US06/662754申请日：19841019公开号：US04568704A公开日：19860204
摘要：A process for the preparation of improved closed cell foams having improvedtoughness and improved stability to light by the reaction of a urethane polyol or anamide polyol with a liquid phenol-formaldehyde polyol and a polyisocyanate is described.
申请人：ASHLAND OIL, INC.
代理人：John F. Jones
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