Process for the preparation of amines, the amines thus obtained and the
use thereof as hardeners for epoxide resins
    1.
    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
    2.
    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。

    Process for the preparation of O-silylated hydroxyl compounds and their
use for the preparation of isocyanates containing ester groups
    3.
    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。

    Polyisocyanates containing allophanate groups
    4.
    发明授权
    Polyisocyanates containing allophanate groups 失效
    含有脲基甲酸酯基的多异氰酸酯

    公开(公告)号:US5672736A

    公开(公告)日:1997-09-30

    申请号:US555200

    申请日:1995-11-08

    CPC分类号: C08G18/7837 C07C275/60

    摘要: The present invention relates to a process for preparing polyisocyanates containing allophanate groups by reacting compounds a), which i) contain urethane groups, but which are substantially free of hydroxyl groups and isocyanate groups, ii) have an average of at least two urethane groups per molecule, iii) are prepared by reacting organic isocyanates a1) with organic hydroxyl compounds a2) and iv) have an average molecular weight of at most 2,500, with excess quantities, based on the urethane groups, of distillable organic polyisocyanates b) to form polyisocyanates containing allophanate groups and subsequently removing by distillation the unreacted excess of component b) to a residual content of less than 0.5 wt. %, provided that polyisocyanates a1) and polyisocyanates b) are different. The present invention also relates to the products obtained from this process and to their use as binders or binder components in coating compositions.

    摘要翻译: 本发明涉及通过使具有氨基甲酸酯基但不含羟基和异氰酸酯基的化合物a)反应制备含有脲基甲酸酯基团的多异氰酸酯的方法,ii)基本上不含羟基和异氰酸酯基团,ii)平均具有至少两个氨基甲酸酯基团 分子,iii)通过使有机异氰酸酯a1)与有机羟基化合物a2)和iv)具有至多2500的平均分子量,基于氨基甲酸酯基团的过量的可蒸馏有机多异氰酸酯b)来制备,以形成多异氰酸酯 含有脲基甲酸酯基团,随后通过蒸馏将未反应的组分b)过量除去至少于0.5wt。 %,条件是多异氰酸酯a1)和多异氰酸酯b)不同。 本发明还涉及从该方法获得的产品及其作为涂料组合物中的粘合剂或粘合剂组分的用途。

    Heat curable mixtures and their use for the formation of coatings on
heat resistant substrates
    6.
    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。

    Aqueous polyurethane dispersions having improved water and solvent resistance
    7.
    发明授权
    Aqueous polyurethane dispersions having improved water and solvent resistance 失效
    具有改善的耐水和耐溶剂性的水性聚氨酯分散体

    公开(公告)号:US06248415B1

    公开(公告)日:2001-06-19

    申请号:US09118657

    申请日:1998-07-17

    IPC分类号: C08J300

    摘要: The present invention relates to aqueous polyurethane dispersions prepared from a polyisocyanate component and one or more isocyanate-reactive compounds wherein at least 5% by weight of polyisocyanate component is a diisocyanate corresponding to formula (I) wherein R is a difunctional, C4 to C18, aliphatic, cycloaliphatic or aromatic hydrocarbon residue obtained by removing the NCO groups from an organic diisocyanate and R′ is a monofunctional, C1 to C18 hydrocarbon radical, which may contain ether oxygen atoms. The present invention also relates to the use of these PUR dispersions for coating any substrates, preferably wood substrates, such as parquet flooring.

    摘要翻译: 本发明涉及由多异氰酸酯组分和一种或多种异氰酸酯反应性化合物制备的水性聚氨酯分散体,其中至少5重量%的多异氰酸酯组分是对应于式(I)的二异氰酸酯,其中R是双官能的,C 4至C 18的脂族 ,通过从有机二异氰酸酯除去NCO基团而获得的脂环族或芳族烃残基,R'是可以含有醚氧原子的单官能的C1-C18烃基。本发明还涉及这些PUR分散体用于涂覆任何 基材,优选木质基材,例如镶木地板。

    Reactive compositions with an extended pot life
    8.
    发明授权
    Reactive compositions with an extended pot life 失效
    具有延长适用期的活性组合物

    公开(公告)号:US06624282B2

    公开(公告)日:2003-09-23

    申请号:US08908655

    申请日:1997-08-07

    IPC分类号: C08G1810

    摘要: The present invention relates to reactive compositions containing (A) NCO prepolymers based on (cyclo)aliphatic polyisocyanates having an NCO content of 1 to 8 wt. % and a monomeric polyisocyanate content of less than 2 wt. %, (B) amine-free chain extenders containing at least 50 equivalent percent of a compound melting between 50° and 160° C. having formula (I) HO—X—Y—X—OH  (I)  wherein Y denotes methylene, ethylene, —C≡C—, 1,4-, 1,3-, or 1,2-cyclohexylene, or 1,4-, 1,3-, or 1,2-phenylene, and X denotes methylene, —OCH2CH2— (wherein oxygen is bonded to group Y), or 1,4-, 1,3-, or 1,2-cyclohexylene, and (C) 0 to 20 wt. %, relative to component (A), of inert organic solvents, wherein the equivalent ratio of the free NCO groups of component (A) to the NCO-reactive groups of component (B) is 0.90 to 1.35.

    摘要翻译: 本发明涉及含有(A)基于(环)脂族多异氰酸酯的NCO预聚物的反应性组合物,其NCO含量为1-8重量% %和单体多异氰酸酯含量小于2wt。 %,(B)含有至少50当量%的熔点在50°至160℃之间的化合物的无胺扩链剂,式(I)其中Y表示亚甲基,亚乙基,-C = C-, 1,3-或1,2-亚环己基,或1,4-,1,3-或1,2-亚苯基,X表示亚甲基,-OCH 2 CH 2 - (其中氧与基团Y键合),或1, 4-,1,3-或1,2-亚环己基,和(C)0-20重量% 组分(A)的游离NCO基与组分(B)的NCO反应性基团的当量比为0.90至1.35,相对于组分(A)为惰性有机溶剂的%。