发明名称 POLYUREAS PREPARED FROM A MIXTURE OF POLYAMINES AND A POLYISOCYANATE
摘要 Polyureas are prepared from a system of (A) a polyisocyanate; and (B) a mixture of polyamines containing (i) from 60 to 25 percent by weight of the mixture of an aromatic polyamine; and (ii) from 40 to 75 percent by weight of the mixture of an aliphatic polyamine.
申请公布号 CA1327670(C) 申请公布日期 1994.03.08
申请号 CA19870543723 申请日期 1987.08.04
申请人 GILLIS, HERBERT R. 发明人 GILLIS, HERBERT R.
分类号 C08G18/32;C08G18/38;C08G18/61;C08G18/65;C08G18/69 主分类号 C08G18/32
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