Polyisocyanate mixtures, processes for preparing the same and uses therefor
    4.
    发明授权
    Polyisocyanate mixtures, processes for preparing the same and uses therefor 有权
    多异氰酸酯混合物,其制备方法和用途

    公开(公告)号:US07985479B2

    公开(公告)日:2011-07-26

    申请号:US12143283

    申请日:2008-06-20

    IPC分类号: B32B27/40 C08G18/76 B35C5/00

    摘要: Polyisocyanate mixtures, their preparation by reacting aromatic polyisocyanate mixtures and nitrogen-containing polyetherol mixtures, and their use as an isocyanate component for the preparation of moisture-curing adhesives, said polyisocyanate mixtures comprising: (A) 15 to 35 wt. % of diphenylmethane diisocyanate with 2 aromatic rings; (3) 10 to 30 wt. % of polymeric diphenylmethane diisocyanate with 3 or more aromatic rings; and (C) 40 to 75 wt. % of an isocyanate-functional polyurethane; wherein the polyisocyanate mixture has an isocyanate content of 12 to 20 wt. %, an isocyanate functionality of >2.4, a viscosity of

    摘要翻译: 多异氰酸酯混合物,它们通过使芳族多异氰酸酯混合物和含氮聚醚醚混合物反应制备,以及它们作为用于制备湿固化粘合剂的异氰酸酯组分的用途,所述多异氰酸酯混合物包含:(A)15至35重量% %二苯基甲烷二异氰酸酯与2个芳环; (3)10〜30重量% %的具有3个或更多芳环的聚合二苯基甲烷二异氰酸酯; 和(C)40〜75重量% %的异氰酸酯官能聚氨酯; 其中所述多异氰酸酯混合物的异氰酸酯含量为12〜20wt。 %,异氰酸酯官能度> 2.4,在25℃粘度<10,000mPa·s,剪切速率80l / s。

    POLYISOCYANATE MIXTURES, PROCESSES FOR PREPARING THE SAME AND USES THEREFOR
    6.
    发明申请
    POLYISOCYANATE MIXTURES, PROCESSES FOR PREPARING THE SAME AND USES THEREFOR 有权
    聚异氰酸酯混合物,其制备方法及其用途

    公开(公告)号:US20080318060A1

    公开(公告)日:2008-12-25

    申请号:US12143283

    申请日:2008-06-20

    IPC分类号: B32B27/40 C08G18/76

    摘要: Polyisocyanate mixtures, their preparation by reacting aromatic polyisocyanate mixtures and nitrogen-containing polyetherol mixtures, and their use as an isocyanate component for the preparation of moisture-curing adhesives, said polyisocyanate mixtures comprising: (A) 15 to 35 wt. % of diphenylmethane diisocyanate with 2 aromatic rings; (3) 10 to 30 wt. % of polymeric diphenylmethane diisocyanate with 3 or more aromatic rings; and (C) 40 to 75 wt. % of an isocyanate-functional polyurethane; wherein the polyisocyanate mixture has an isocyanate content of 12 to 20 wt. %, an isocyanate functionality of >2.4, a viscosity of

    摘要翻译: 多异氰酸酯混合物,它们通过使芳族多异氰酸酯混合物和含氮聚醚醚混合物反应制备,以及它们作为用于制备湿固化粘合剂的异氰酸酯组分的用途,所述多异氰酸酯混合物包含:(A)15至35重量% %二苯基甲烷二异氰酸酯与2个芳环; (3)10〜30重量% %的具有3个或更多芳环的聚合二苯基甲烷二异氰酸酯; 和(C)40〜75重量% %的异氰酸酯官能聚氨酯; 其中所述多异氰酸酯混合物的异氰酸酯含量为12〜20wt。 %,异氰酸酯官能度> 2.4,在25℃下粘度<10,000mPa.s,剪切速率80l / s。