发明名称 Process for preparation polyisocyanate composition
摘要 Using at least one compound selected from the group consisting of a zirconyl compound and a zirconium alcoholate as an allophanation catalyst, an allophanate group-containing polyisocyanate composition is produced from a starting material of at least one isocyanate compound selected from the group consisting of an aliphatic diisocyanate, an alicyclic diisocyanate and an isocyanate pre-polymer obtained therefrom, and another starting material of a hydroxyl group-containing compound.
申请公布号 US2004014927(A1) 申请公布日期 2004.01.22
申请号 US20030399519 申请日期 2003.04.17
申请人 WATANABE SHINICHIRO;NAOI KUNIO 发明人 WATANABE SHINICHIRO;NAOI KUNIO
分类号 C08G18/22;C08G18/78;(IPC1-7):C08G18/00 主分类号 C08G18/22
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