Polyisocyanates blocked with epsilon-caprolactam and either diisopropylamine or 1,2,4-triazole, their preparation and use
    1.
    发明授权
    Polyisocyanates blocked with epsilon-caprolactam and either diisopropylamine or 1,2,4-triazole, their preparation and use 失效
    聚异氰酸酯用ε-己内酰胺和二异丙胺或1,2,4-三唑封端,其制备和用途

    公开(公告)号:US06723817B2

    公开(公告)日:2004-04-20

    申请号:US10298773

    申请日:2002-11-18

    IPC分类号: C08G1880

    摘要: The present invention relates to a blocked polyisocyanate containing: A1) 40 to 70 equivalent % of a predominantly linear NCO prepolymer having an NCO content of 5.0 to 10.0 wt. %, A2) 30 to 60 equivalent % of an aliphatic lacquer polyisocyanate, B1) 30 to 60 equivalent % of epsilon-caprolactam and B2) 40 to 70 equivalent % of diisopropylamine or 1,2,4-triazole as blocking agents, wherein the equivalent percents of isocyanate components A1) and A2) add up to 100 %, and the equivalent percents of blocking agents B1) and B2) add up to 100 to 110%, based on the equivalents of component A). The present invention also relates to a process for preparing these blocked polyisocyanates to coating compositions containing these blocked polyisocyanates and to metal substrates coated with these coating compositions.

    摘要翻译: 本发明涉及封闭的多异氰酸酯,其含有:其中异氰酸酯组分A1)和A2)的相当百分比加至100%,相当于封闭剂B1)和B2的百分比加起来为100-110%,基于 组分A的等同物)。 本发明还涉及一种制备这些封端多异氰酸酯以涂覆含有这些封端多异氰酸酯的组合物和用这些涂料组合物涂覆的金属基材的方法。

    Stabilized aqueous polyurethane-polyurea dispersions
    3.
    发明授权
    Stabilized aqueous polyurethane-polyurea dispersions 有权
    稳定的水性聚氨酯 - 聚脲分散体

    公开(公告)号:US07091280B2

    公开(公告)日:2006-08-15

    申请号:US10341880

    申请日:2003-01-14

    摘要: The present invention relates to a binder composition containing A) at least one aqueous polyurethane-polyurea dispersion and B) at least one stabilizer containing a) at least one amine having a structural unit corresponding to formula (I)  which has no hydrazide groups, b) at least one compound having a structural unit corresponding to formula (II) —CO—NH—NH—  (II)  and c) optionally a stabilizing compound other than a) and b). The polyurethane dispersions are manufactured in the presence of components a) and b). It is possible for components a) and b), depending on the grade used, to be incorporated into the polymer framework as structural units.For this reason binder compositions comprising A) at least one aqueous polyurethane dispersion, containing structural units of at least one stabilizing agent or mixture of stabilizing agents B) based on a) at least one amine with the general formula (I),  which has no hydrazide groups, b) at least one compound with the general formula (II), —CO—NH—NH—  (II)  and c) optionally a stabilizing compound other than a) and b). are also the subject matter of the invention in question. The present invention also relates to a process for the preparation of these binder compositions.Further, the present invention relates to coating, adhesive and sizing compositions containing the binder compositions according to the invention.Finally, the present invention also relates to glass fibers sized with sizing compositions containing the binder compositions according to the invention.

    摘要翻译: 本发明涉及含有A)至少一种水性聚氨酯 - 聚脲分散体的粘合剂组合物,以及B)至少一种稳定剂,其含有a)至少一种具有对应于没有酰肼基团的式(I)结构单元的胺,b )至少一种具有对应于式(II)的结构单元的化合物<?in-line-formula description =“In-Line Formulas”end =“lead”→> CO-NH-NH-(II) -line-formula description =“In-line Formulas”end =“tail”?>和c)任选的a)和b)以外的稳定化合物。 在组分a)和b)存在下制备聚氨酯分散体。 组分a)和b)可能取决于所用的等级作为结构单元并入聚合物框架中。 为此,粘合剂组合物包含:A)至少一种包含至少一种稳定剂或稳定剂混合物的结构单元的水性聚氨酯分散体,B)基于a)至少一种具有通式(I)的胺,其不具有 酰肼基团,b)至少一种具有通式(II)的化合物,<?in-line-formula description =“In-line Formulas”end =“lead”→CO-NH-NH-(II) ?in-line-formula description =“In-line Formulas”end =“tail”?>和c)任选的a)和b)以外的稳定化合物。 也是本发明的主题。 本发明还涉及制备这些粘合剂组合物的方法。 此外,本发明涉及包含根据本发明的粘合剂组合物的涂料,粘合剂和施胶组合物。 最后,本发明还涉及用含有本发明的粘合剂组合物的施胶组合物定尺寸的玻璃纤维。

    Aqueous polyisocyanate crosslinking agents modified with hydroxycarboxylic acids and pyrazole-based blocking agents
    5.
    发明授权
    Aqueous polyisocyanate crosslinking agents modified with hydroxycarboxylic acids and pyrazole-based blocking agents 有权
    用羟基羧酸和基于吡唑的封闭剂改性的多异氰酸酯交联剂

    公开(公告)号:US06187860B1

    公开(公告)日:2001-02-13

    申请号:US09262858

    申请日:1999-03-05

    IPC分类号: C08J300

    摘要: The present invention relates to aqueous or water dilutable blocked polyisocyanates containing a) a polyisocyanate component and, based on the equivalents of isocyanate groups, b) 60 to 85 equivalent % of a pyrazole blocking agent, c) 15 to 40 equivalent % of a monohydroxycarboxylic acid to impart hydrophilic properties and d) 0 to 15 equivalent % of a difunctional chain extender containing OH and/or NH2 groups, wherein the amounts of a) to d) are selected so that the equivalent ratio of NCO groups of component a) to isocyanate-reactive groups of components b), c) and d) is 1:0.8 to 1:1.2. The present invention also relates to a process for preparing these polyisocyanate crosslinking agents and to their use in combination with polyhydroxyl compounds which are soluble and/or dispersible in water as binders for aqueous stoving lacquers.

    摘要翻译: 本发明涉及包含a)多异氰酸酯组分的水性或水可稀释的封端多异氰酸酯,并且基于异氰酸酯基团的当量,b)60至85当量的吡唑封闭剂,c)15至40当量%的单羟基羧酸 以赋予亲水性,并且d)0至15当量%的包含OH和/或NH 2基团的双官能扩链剂,其中选择a)至d)的量使得组分a)的NCO基团与异氰酸酯 - 组分b),c)和d)的反应性基团为1:0.8至1:1.2。本发明还涉及一种制备这些多异氰酸酯交联剂的方法,以及它们与多羟基化合物的组合使用,所述多羟基化合物是可溶的和/或 分散在水中作为水性烘烤漆的粘合剂。

    Stabilized blocked isocyanates and their use in polyurethane stoving lacquers
    8.
    发明授权
    Stabilized blocked isocyanates and their use in polyurethane stoving lacquers 失效
    稳定的封闭异氰酸酯及其在聚氨酯烘烤漆中的应用

    公开(公告)号:US06242530B1

    公开(公告)日:2001-06-05

    申请号:US08922818

    申请日:1997-09-03

    IPC分类号: C08K53435

    CPC分类号: C08G18/8058 C08G18/80

    摘要: The present invention relates to (cyclo)aliphatic polyisocyanates which have a content of blocked and unblocked isocyanate groups (calculated a NCO) of 5 to 25 wt. %, in which at least 95% of the isocyanate groups are present in a form blocked with blocking agents, and which also contain 0.1 to 5.0 wt. % of amines having a structural unit corresponding to formula (I) The present invention also relates to the use of the blocked polyisocyanates according to the invention as crosslinking agents for organic polyhydroxyl compounds in 1C-PUR stoving lacquers, especially for automotive clearcoats and coil coating lacquers.

    摘要翻译: 本发明涉及(环状)脂族多异氰酸酯,它们的封端和未封端的异氰酸酯基团的含量(NCO计算)为5〜25wt。 %,其中至少95%的异氰酸酯基以封闭剂封闭的形式存在,并且还含有0.1至5.0wt。 具有对应于式(I)的结构单元的胺的%本发明还涉及根据本发明的封端多异氰酸酯作为有机多羟基化合物的交联剂在1C-PUR烘烤漆中的用途,特别是用于汽车清漆和卷材涂层 漆。