Process for the production of moisture-hardening binder compositions and
their use
    61.
    发明授权
    Process for the production of moisture-hardening binder compositions and their use 失效
    湿固化粘合剂组合物的生产方法及其用途

    公开(公告)号:US4975493A

    公开(公告)日:1990-12-04

    申请号:US223803

    申请日:1988-07-25

    摘要: A moisture-hardening binder composition for lacquer of coating compositions is prepared by mixing(A) 50 to 97 parts by weight of copolymers of maleic anhydride with olefinically unsaturated monomers, said copolymers containing succinic anhydride units and having molecular weights Mw of 1,500 to 75,000 with(B) 3 to 50 parts by weight oxazolanes having a molecular weight Mw of 87 to 10,000,the quantitative ratios of (A) to (B) being such that the composition contains 0.25 to 10 anhydride groups for every oxazolane group,wherein component (A) consists essentially of copolymers of(a) 4.5 to 45 parts by weight of maleic anhydride,(b) 5 to 80 parts by weight of monomers of the formulae ##STR1## or both, and (c) 15 to 92 parts by weight of monomers of the formula ##STR2## wherein, R.sub.1 and R.sub.4 is each, independent of the other, an aliphatic or cycloaliphatic C.sub.1 -C.sub.12 hydrocarbon radical with or without oxygen, sulfur or nitrogen as a heteratom, R.sub.2 is hydrogen, methyl, ethyl, chlorine or fluorine,R.sub.3 is a C.sub.2 -C.sub.15 aliphatic hydrocarbon radical, a C.sub.5 -C.sub.10 cycloaliphatic hydrocarbon radical, a C.sub.7 -C.sub.18 araliphatic hydrocarbon radical, a C.sub.6 -C.sub.12 aromatic hydrocarbon radical, chlorine, fluorine, nitrile or a C.sub.2 -C.sub.18 hydrocarbon radical containing one or more heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen in the form of ether, ester, amide, urethane, urea, thioester, oxirane, ketone, lactam or lactone groups.

    摘要翻译: 通过混合(A)50至97重量份的马来酸酐与烯属不饱和单体的共聚物,所述共聚物含有琥珀酸酐单元并具有1500至75,000的分子量Mw,制备用于涂料组合物漆的湿润硬化粘合剂组合物, (B)3〜50重量份的分子量Mw为87〜10,000的恶唑烷,(A)〜(B)的定量比为每个恶唑烷基组成含有0.25〜10个酸酐基,其中组分( A)基本上由(a)4.5至45重量份马来酸酐的共聚物组成,(b)5-80重量份式(IMAGE)或两者的单体,和(c)15至92重量份 具有下式的单体:其中,R 1和R 4各自独立地为具有或不具有氧,硫或氮作为杂原子的脂族或脂环族C 1 -C 12烃基,R 2为氢,甲基,乙基, 氯或氟 ne,R 3是C 2 -C 15脂族烃基,C 5 -C 10脂环族烃基,C 7 -C 18芳脂族烃基,C 6 -C 12芳烃基,氯,氟,腈或含有一个的C 2 -C 18烃基 或更多选自醚,酯,酰胺,氨基甲酸酯,脲,硫酯,环氧乙烷,酮,内酰胺或内酯基团的氧,硫和氮的杂原子。

    POLYISOCYANATE MIXTURES, PROCESSES FOR PREPARING THE SAME AND USES THEREFOR
    68.
    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。