Process for the production of combinations of organic polyisocyanates
and at least partly blocked polyamines, the combinations obtainable by
this process and their use for the production of lacquers, coating or
sealing compositions
    12.
    发明授权
    Process for the production of combinations of organic polyisocyanates and at least partly blocked polyamines, the combinations obtainable by this process and their use for the production of lacquers, coating or sealing compositions 失效
    用于生产有机多异氰酸酯和至少部分封闭的多胺的组合的方法,可通过该方法获得的组合及其用于生产漆,涂料或密封组合物的用途

    公开(公告)号:US4481345A

    公开(公告)日:1984-11-06

    申请号:US583918

    申请日:1984-02-27

    CPC分类号: C08G18/3256 C08G18/10

    摘要: Process for the production of water-hardenable compositions of organic polyisocyanates and polyamines containing at least partly blocked amino groups present as ketimines, the combinations essentially representing mixtures and optionally reaction products containing urea groups by mixing the organic polyisocyanates with the polyamines in such quantities that the equivalent ratio of isocyanate groups to blocked and free amino groups is between about 0.9:1 and 4:1 and reacting any free amino groups present with some of the isocyanate groups in the polyisocyanate to form ureas, characterized in that the polyamines containing at least partly blocked amino groups used are mixtures comprising(a) from about 50 to 95 amine equivalent percent of organic compounds which are free from primary and secondary amino groups and which contain at least two ketimine groups corresponding to the following formula ##STR1## in which R.sup.1 represents an alkyl or cycloalkyl radical and R.sup.2 represents hydrogen or an alkyl or cycloalkyl radical or in which R.sup.1 and R.sup.2 form a cycloaliphatic hydrocarbon radical together with the two carbon atoms of the ketimine group and(b) from about 5 to 40 amine equivalent percent of organic compounds which are free from primary and secondary amino groups and which contain at least two ketimine groups of which one corresponds to the formula ##STR2## in which R.sup.1 and R.sup.2 are as defined above, the other ketimine group(s) present correspond(s) to the formula shown in (a).

    摘要翻译: 用于生产有机多异氰酸酯和含有至少部分封闭的胺基的多胺的水可硬化组合物作为酮亚胺存在的方法,所述组合基本上代表混合物和任选的含有尿素基团的反应产物,通过将有机多异氰酸酯与多胺混合, 异氰酸酯基与封端和游离氨基的当量比为约0.9:1至4:1,并使与多异氰酸酯中存在的一些异氰酸酯基团存在的任何游离氨基反应形成脲,其特征在于,含有至少部分 使用的封闭氨基是包含(a)约50至95胺当量百分比的不含伯和仲氨基并且含有至少两个对应于下式的酮亚胺基的有机化合物的混合物:其中R 1表示 烷基或环烷基,R 2表示氢或a n烷基或环烷基,或其中R1和R2与酮亚胺基团的两个碳原子一起形成脂环族烃基,和(b)约5至40胺当量百分比的不含伯和仲氨基的有机化合物 并且其包含至少两个酮亚胺基,其中一个对应于式(Ia)其中R 1和R 2如上所定义的式“IMAGE”,其它酮亚胺基与(a)所示的式表示。

    Polyurethanes which are dispersible or soluble in water and a process
for their preparation
    13.
    发明授权
    Polyurethanes which are dispersible or soluble in water and a process for their preparation 失效
    可分散或溶于水的聚氨酯及其制备方法

    公开(公告)号:US4303774A

    公开(公告)日:1981-12-01

    申请号:US30600

    申请日:1979-04-16

    摘要: The present invention relates to water soluble or water dispersible polyurethane elastomers which have a substantially linear molecular structure and which contain both ethylene oxide units incorporated in polyether chains and sulphonate groups, characterized in that they contain from about 0.5 to 20% by weight of ethylene oxide units of the formula --CH.sub.2 --CH.sub.2 --O-- arranged within polyether chains and from about 0.1 to 25 milliequivalents, per 100 g of solid, of sulphonate groups of the formula --SO.sub.3.sup..crclbar. in the form of structural units of the formula--O--X--Rarranged in end positions and/or side positions, whereinX represents a polyalkylene oxide chain having from 5 to 90 chain members, at least about 40% of which chain members constitute ethylene oxide units andR represents a monovalent hydrocarbon group having from 3 to 18 carbon atoms containing at least one sulphonate group --SO.sub.3.sup..crclbar. andto a process for their production.

    摘要翻译: 本发明涉及水溶性或水分散性聚氨酯弹性体,其具有基本上线性的分子结构,并且其包含掺入聚醚链和磺酸盐基团的环氧乙烷单元,其特征在于它们含有约0.5-20重量%的环氧乙烷 式-CH 2 -CH 2 -O-的单元,其配置在聚醚链内,约0.1至25毫当量,每100g固体式-SO 3( - )磺酸盐基团,其结构单元为式 - OXR排列在末端位置和/或侧位,其中X表示具有5-90个链成员的聚环氧烷链,至少约40%的链成员构成环氧乙烷单元,R表示一价烃基,其具有3至 含有至少一个磺酸酯基-SO 3( - )的18个碳原子及其制备方法。

    Polyisocyanates containing ester groups, a process for the production of
these polyisocyanates and their use in polyurethane coating compositions
    17.
    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
    18.
    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。

    Polyurethane dispersions and the use thereof as finishing agents
    19.
    发明授权
    Polyurethane dispersions and the use thereof as finishing agents 失效
    聚氨酯分散体及其作为整理剂的用途

    公开(公告)号:US4876302A

    公开(公告)日:1989-10-24

    申请号:US284970

    申请日:1988-12-15

    摘要: The present invention is directed to aqueous coating compositions suitable for use as coating and finishing agents for surface coatings, preferably PVC or polyurethane coatings, based on sedimentation-stable polyurethane dispersions having a solids content of about 10-70% by weight wherein the polyurethane-urea solids material is based on polyester diols, low molecular weight diols and optionally triols, chemically incorporated hydrophilic groups, specific mixtures of diisocyanates and polyamine chain extenders having an average functionality of greater than 2 and wherein the aqueous preparations additionally contain alkoxylated dimethyl-polysiloxanes and water-soluble polyethylene oxides. The present invention is also directed to a process for applying top coats and finishes to surface coatings, preferably PVC or polyurethane surface coatings, wherein the above-described aqueous coating and finishing agents are used as the top coat and the coatings are cured at about 70.degree.-170.degree. C.

    摘要翻译: 本发明涉及适用于基于沉积稳定的聚氨酯分散体的表面涂层(优选PVC或聚氨酯涂层)的涂层和整理剂的水性涂料组合物,其中固体含量为约10-70%(重量),其中聚氨酯 - 脲固体材料基于聚酯二醇,低分子量二醇和任选的三醇,化学引入的亲水基团,二异氰酸酯的特定混合物和平均官能度大于2的多胺扩链剂,其中所述水性制剂另外含有烷氧基化二甲基 - 聚硅氧烷, 水溶性聚环氧乙烷。 本发明还涉及一种将表面涂层和表面涂层施用于表面涂层,优选PVC或聚氨酯表面涂层的方法,其中上述水性涂料和整理剂用作顶涂层,并且涂层在约70℃下固化 DEG-170℃