Prepolymers based on di- or polyisocyanates and formamide-terminated low molecular weight compounds, processes for preparing the same and uses thereof
    11.
    发明授权
    Prepolymers based on di- or polyisocyanates and formamide-terminated low molecular weight compounds, processes for preparing the same and uses thereof 有权
    基于二异氰酸酯或多异氰酸酯和甲酰胺封端的低分子量化合物的预聚物,其制备方法及其应用

    公开(公告)号:US08729210B2

    公开(公告)日:2014-05-20

    申请号:US12837536

    申请日:2010-07-16

    IPC分类号: C08G18/10

    摘要: Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): X—[—N(CHO)—CO—NH—R1—NCO]n  (II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n≧2; processes for making the same; compositions containing the same; and uses thereof.

    摘要翻译: 通式(II)的低分子量二 - 或三胺(甲酰胺封端的低分子量化合物)和二异氰酸酯或多异氰酸酯的甲酰胺可以得到的预聚物:X - [ - N(CHO)-CO-NH -R1-NCO] n(II)其中X表示具有2至40个碳原子的直链或支链脂族,脂环族,杂环和/或芳族结构单元,并且其任选进一步被取代和/或任选地包含一个或多个杂原子, 其中R1表示可以任选地含有一个或多个杂原子并且还可以含有一个或多个另外的游离异氰酸酯基团和/或一个或多个氨基甲酸酯,缩二脲,碳二亚胺,异氰脲酸酯,脲基甲酸酯,亚氨基恶二嗪二酮和/或脲二酮结构单元的有机基团, 并且其中n≥2; 制作相同的过程; 含有它们的组合物; 及其用途。

    UV-hardenable dispersions based on polyisocyanates
    14.
    发明授权
    UV-hardenable dispersions based on polyisocyanates 有权
    基于多异氰酸酯的UV-可硬化分散体

    公开(公告)号:US07868055B2

    公开(公告)日:2011-01-11

    申请号:US12011875

    申请日:2008-01-30

    摘要: Aqueous UV-hardenable dispersions are provided, as well as their use for the production of coating agents, in particular coatings for ligneous substrates. The dispersions comprise the reaction product of a) one or more polyisocyanates of which at least one polyisocyanate is an oligomeric polyisocyanate of hexamethylene diisocyanate with urethane, biuret, iminooxadiazindione and/or isocyanurate structural units, b) one or more monohydroxy-functional compounds containing (meth)acryloyl groups, c) at least one component c1), which has a hydrophilising effect on the basis of incorporated (potentially) ionic groups and comprises at least one further isocyanate-reactive group and/or at least one component c2) which contains non-ionically hydrophilically acting groups and comprises at least one further isocyanate-reactive group, d) one or more difunctional and/or polyfunctional amines or hydroxyamines as chain extender, and e) optionally other monomeric, oligomeric and/or polymeric substances, which may optionally also contain further unsaturated groups.

    摘要翻译: 提供了水性UV-可硬化分散体,以及它们用于生产涂层剂的用途,特别是用于木质基材的涂料。 分散体包含a)一种或多种多异氰酸酯的反应产物,其中至少一种多异氰酸酯是六亚甲基二异氰酸酯的低聚多异氰酸酯与氨基甲酸酯,缩二脲,亚氨基恶二嗪二酮和/或异氰脲酸酯结构单元,b)一种或多种单羟基官能化合物,其含有 甲基)丙烯酰基,c)至少一种组分c1),其基于引入的(潜在的)离子基团具有亲水化作用,并且包含至少一种另外的异氰酸酯反应性基团和/或至少一种组分c2),其包含 非离子亲水作用基团,并且包含至少一种另外的异氰酸酯反应性基团,d)一种或多种二官能和/或多官能胺或羟基胺作为扩链剂,和e)任选的其它单体,低聚物和/或聚合物质,其可以 任选地还含有其它不饱和基团。