专利名称：Method of producing polyurea foams发明人：Toshio Yukuta,Takumi Ishiwaka,Kiyoshi Usui申请号：US06/088312申请日：19791025公开号：US04234695A公开日：19801118
摘要：A method of producing polyurea foams is disclosed. The polyurea foam isproduced by reacting an organic polyisocyanate with water in the presence of urea or byreacting a crude tolylene diisocyanate or a mixture of crude tolylene diisocyanate andcrude diphenylmethane diisocyanate as an organic polyisocyanate with water in thepresence of an amine catalyst, a silicone surfactant and, if necessary, a tin catalyst.
申请人：BRIDGESTONE TIRE CO., LTD.
代理机构：Sughrue, Rothwell, Mion, Zinn and Macpeak
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