A process for bonding substrates with an ester group-containing hot melt
adhesive
    1.
    发明授权
    A process for bonding substrates with an ester group-containing hot melt adhesive 失效
    使用含钙组合热熔胶粘合基材的方法

    公开(公告)号:US5215618A

    公开(公告)日:1993-06-01

    申请号:US742251

    申请日:1991-08-08

    摘要: Disclosed herein is a process for bonding substrates comprising applying a hot-melt adhesive to the surface of at least one of the substrates and contacting the surface of said substrate with the surface of the other substrate, said adhesive containing an ester group-containing polyisocyanate which is a solid below 30.degree. C. and liquid above 100.degree. C., corresponding to formula (I)A(OCO-B-NCO).sub.n (I)in whichn stands for a whole number or a fraction (statistical average) of from 2 to 6,A stands for an n-valent organic group such as is obtained by removal of hydroxyl groups from an n-valent polyhydroxyl compound in the molecular weight (Mn) range of from 800 to 6000 containing ester and/or carbonate groups andB stands for an aliphatic, cycloaliphatic or aromatic hydrocarbon group having up to 18 carbon atoms.

    摘要翻译: 本文公开了一种用于粘合基材的方法,包括将热熔粘合剂施加到至少一个基材的表面并使所述基材的表面与另一个基材的表面接触,所述粘合剂含有含酯基的多异氰酸酯, 是低于30℃的固体和高于100℃的液体,对应于式(I)A(OCO-B-NCO)n(I),其中n代表整数或分数(统计平均值) 2〜6中,A表示通过从含有酯和/或碳酸酯基的800〜6000的分子量(Mn)范围的n价多羟基化合物除去羟基而得到的n价有机基团 B代表具有至多18个碳原子的脂族,脂环族或芳族烃基。

    Process for the preparation of amines, the amines thus obtained and the
use thereof as hardeners for epoxide resins
    2.
    发明授权
    Process for the preparation of amines, the amines thus obtained and the use thereof as hardeners for epoxide resins 失效
    制备氨基酸的方法,获得的氨基酸及其作为环氧化物树脂硬化剂的用途

    公开(公告)号:US5219975A

    公开(公告)日:1993-06-15

    申请号:US696901

    申请日:1991-05-07

    CPC分类号: C08G18/10 C08L63/00

    摘要: The present invention is directed to a process for the preparation of amines containing urethane and urea groups. The amines are produced by reacting A) isocyanate prepolymers containing urethane groups and in which the isocyanate groups are reversibly blocked with secondary monoamines with B) amines having molecular weights of from 60 to 500, which are at least difunctional and which have a total of at least two primary or secondary amino groups, with splitting off of the secondary monoamine. The invention is also directed to the amines so produced and to the use as a hardener for an epoxide resin.

    摘要翻译: 本发明涉及一种制备含氨基甲酸酯和脲基的胺的方法。 胺是通过使A)含有氨基甲酸酯基团的异氰酸酯预聚物与其中异氰酸酯基团与二级单胺可逆地封端的B)制备的,B)分子量为60至500的胺,其至少是双官能的,并且总共在 至少两个伯或仲氨基,分离出次级单胺。 本发明还涉及如此制备的胺和用作环氧树脂的硬化剂的用途。

    Polyisocyanates containing ester groups, a process for the production of
these polyisocyanates and their use in polyurethane coating compositions
    4.
    发明授权
    Polyisocyanates containing ester groups, a process for the production of these polyisocyanates and their use in polyurethane coating compositions 失效
    含有酯基的聚异氰酸酯,生产这些聚异氰酸酯的方法及其在聚氨酯涂料组合物中的用途

    公开(公告)号:US5096994A

    公开(公告)日:1992-03-17

    申请号:US561770

    申请日:1990-08-02

    摘要: The present invention relates to polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 18 to 33% by weight,b) an average NCO functionality of 4.1 to 10, preferably from 4.5 to 10, andc) a viscosity of 200 to 2,5000 mPa.s at 22.degree. C.The present invention also relates to preferred polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 20 to 33% by weight,b) an average NCO functionality of 5 to 8 andc) a viscosity of 500 to 1,000 mPa.s at 22.degree. C.The present invention further relates to a process for the preparation of these preferred polyisocyanates by reacting isocyanatocarboxylic acid chlorides with O-silylated, polyhydric alcohols at a temperature of about 50.degree. to 150.degree. C. Finally, the present invention relates to the use of the polyisocyanates as the isocyanate component for two-component polyurethane coating compositions.

    摘要翻译: 本发明涉及含有酯基并且具有以下特征的多异氰酸酯:a)脂肪族结合的异氰酸酯基团的含量为18〜33重量%,b)平均NCO官能度为4.1〜10,优选为4.5〜10,以及c) 22℃下的粘度为200〜25000mPa.s。本发明还涉及优选的含有酯基的多异氰酸酯,其具有a)含有20〜33重量%的脂肪族结合的异氰酸酯基的含量,b)平均 NCO官能度为5至8,和c)在22℃下的粘度为500至1,000mPa.s。本发明还涉及通过使异氰酸酯基羧酸与O-甲硅烷基化的多元醇反应来制备这些优选的多异氰酸酯的方法 在约50℃至150℃的温度下进行。最后,本发明涉及多异氰酸酯作为双组分聚氨酯涂料组合物的异氰酸酯组分的用途。

    Heat curable mixtures and their use for the formation of coatings on
heat resistant substrates
    5.
    发明授权
    Heat curable mixtures and their use for the formation of coatings on heat resistant substrates 失效
    可热固化的混合物及其在耐热基材上形成涂层的用途

    公开(公告)号:US5061775A

    公开(公告)日:1991-10-29

    申请号:US549508

    申请日:1990-07-06

    摘要: The present invention relates to a coating composition which may be cured at elevated temperature and is based onA) a polyisocyanate component containing at least one organic polyisocyanate having reversibly blocked isocyanate groups and a molecular weight of 398 to 25,000, excluding the weight of the blocking agent, the isocyanate groups being reversibly blocked with a secondary monoamine andB) an isocyanate reactive component containing at least one organic polyamine having a molecular weight of 60 to 499 and at least two primary amino groups.The present invention also relates to the use of these coating compositions for the formation of coatings on heat resistant substrates.

    摘要翻译: 本发明涉及一种涂料组合物,其可以在升高的温度下固化,并且基于A)含有至少一种具有可逆封闭的异氰酸酯基团并且分子量为398至25,000的有机聚异氰酸酯的多异氰酸酯组分,不包括嵌段的重量 异氰酸酯基团可以用二级单胺可逆地封闭,以及B)含有至少一种分子量为60-499和至少两个伯氨基的有机多胺的异氰酸酯反应性组分。 本发明还涉及这些涂料组合物在耐热基材上形成涂层的用途。

    Process for the preparation of O-silylated hydroxyl compounds and their
use for the preparation of isocyanates containing ester groups
    6.
    发明授权
    Process for the preparation of O-silylated hydroxyl compounds and their use for the preparation of isocyanates containing ester groups 失效
    制备O-硅氧烷化合物的方法及其用于制备含有酯基团的异氰酸酯的方法

    公开(公告)号:US5142081A

    公开(公告)日:1992-08-25

    申请号:US596173

    申请日:1990-10-10

    IPC分类号: C07F7/18

    CPC分类号: C07F7/188

    摘要: This present invention relates to a process for the preparation of O-silylated aliphatic hydroxyl, compounds by the reaction of aliphatic hydroxyl compounds with triorganochlorosilanes and removal of the resulting gaseous hydrogen chloride from the reaction mixture, characterized in that the reaction is carried out in the presence of phase transfer catalysts in the absence of solvent.The invention also relates to the use of the O-silylated hydroxyl compounds obtained by this process as starting materials for the preparation of isocyanates containing ester groups by a reaction with isocyanato carboxylic acid chlorides.

    摘要翻译: 本发明涉及通过脂族羟基化合物与三有机氯硅烷的反应和从反应混合物中除去所得到的气态氯化氢来制备O-甲硅烷基化的脂族羟基化合物的方法,其特征在于反应在 在不存在溶剂的情况下存在相转移催化剂。 本发明还涉及通过该方法获得的O-甲硅烷基化羟基化合物作为通过与异氰酸根合羧酸氯化物反应制备含酯基的异氰酸酯的起始原料的用途。

    Water dispersible compounds containing alkoxysilane groups
    8.
    发明授权
    Water dispersible compounds containing alkoxysilane groups 失效
    含有烷氧基硅烷基团的水分散化合物

    公开(公告)号:US5952445A

    公开(公告)日:1999-09-14

    申请号:US57675

    申请日:1998-04-09

    摘要: The present invention relates to compounds which are substantially free from isocyanate groups, have an alkoxysilane group content (calculated as Si, MW 28) of 1 to 6% by weight, based on the weight of the compounds, and containing sufficient chemically incorporated hydrophilic groups to form a stable dispersion with water, wherein the alkoxysilane groups are incorporated as the reaction products ofa) a polyisocyanate component having a minimum average functionality of 2.4 and containing at least 50% by weight of polyisocyanate adducts andb) compounds containing secondary amino groups and alkoxysilane groups.The present invention also relates to the use of these compounds for the preparation of coatings, sealants and adhesives.

    摘要翻译: 本发明涉及基本上不含异氰酸酯基团的化合物,其烷基硅烷基含量(以Si计,MW 28计)为1至6重量%,基于化合物的重量,并含有足够的化学引入的亲水基团 与水形成稳定的分散体,其中所述烷氧基硅烷基团作为a)具有最小平均官能度为2.4并且含有至少50重量%的多异氰酸酯加合物的多异氰酸酯组分的反应产物并且b)含有仲氨基的化合物 和烷氧基硅烷基。 本发明还涉及这些化合物在制备涂料,密封剂和粘合剂中的用途。