发明名称 POLYCARBONATE POLYOL
摘要 PURPOSE:To obtain a polycarbonate polyol useful for obtaining a polyurethane excellent in hydrolysis resistance, heat resistance, weathering resistance and mechanical strengths by selecting a polycarbonate polyol obtained by the transesterification between a polycarbonate diol and a specified compound. CONSTITUTION:A polycarbonate polyol obtained by the transesterification among a polycarbonate diol (e.g. CD220, a product of Daicel Kagadu Kogyo) and a triol compound (e.g. trimethylolpropane) and/or a tetraol compound (e.g. pentaerythritol) is selected.
申请公布号 JPH03220233(A) 申请公布日期 1991.09.27
申请号 JP19900237316 申请日期 1990.09.07
申请人 DAICEL CHEM IND LTD 发明人 ENDO TOSHIRO;FUJII TATSUMI;MURAI TAKAAKI
分类号 C08G64/06;C08G18/42;C08G18/44;C08G64/00;C08G64/42 主分类号 C08G64/06
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