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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