Aqueous polyurethane dispersions having improved water and solvent resistance
    1.
    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。

    Olefinically unsaturated isocyanates
    3.
    发明授权
    Olefinically unsaturated isocyanates 失效
    烯属不饱和异氰酸酯

    公开(公告)号:US5459214A

    公开(公告)日:1995-10-17

    申请号:US195726

    申请日:1994-02-11

    摘要: The present invention relates to olefinically unsaturated, urethane group-containing isocyanates which are prepared by reacting at an NCO/OH equivalent ratio of 4 to 40a) an isocyanate component substantially containing urethane group-free cycloaliphatic diisocyanates withb) an unsaturated alcohol component substantially containing monohydric olefinically unsaturated alcoholsand subsequently removing distillable unreacted isocyanates by distillation. The present invention also relates to a process for the preparation of these isocyanates and to their use as a binder component in one-component, coating compositions which may be cured at room temperature.

    摘要翻译: 本发明涉及通过使NCO / OH当量比为4至40反应制备的烯属不饱和的含氨基甲酸酯基的异氰酸酯a)基本上含有不含氨基甲酸酯基的脂环族二异氰酸酯的异氰酸酯组分和b)不饱和醇组分基本上 含有一元烯属不饱和醇,然后通过蒸馏除去可蒸馏的未反应的异氰酸酯。 本发明还涉及一种制备这些异氰酸酯的方法以及它们在单组分涂料组合物中作为粘合剂组分的用途,其可以在室温下固化。

    Olefinically unsaturated polyisocyanates
    4.
    发明授权
    Olefinically unsaturated polyisocyanates 失效
    烯属不饱和多异氰酸酯

    公开(公告)号:US6111053A

    公开(公告)日:2000-08-29

    申请号:US436939

    申请日:1995-05-08

    摘要: The invention relates to olefinically unsaturated polyisocyanates containing allophanate groups and having an NCO content of 6 to 20% by weight, an iodine value of 15 to 150, a content of hydrocarbon chains containing 12 to 30 carbon atoms of 100 to 700 mg/g and a content of allophanate groups of 10 to 300 mg/g, to a process for their production by reaction of a polyisocyanate component containing urethane groups with excess polyisocyanates, and to a one-component coating composition containing these olefinically unsaturated polyisocyanates as binders.

    摘要翻译: 本发明涉及含有脲基甲酸酯基,NCO含量为6〜20重量%,碘值为15〜150,含有12〜30个碳原子的烃链含量为100〜700mg / g的烯属不饱和多异氰酸酯, 脲基甲酸酯基的含量为10〜300mg / g,通过使含有氨基甲酸酯基的多异氰酸酯成分与过量的多异氰酸酯反应生成的方法,以及含有这些烯属不饱和多异氰酸酯作为粘合剂的单组分涂料组合物。

    Polyisocyanates containing allophanate groups
    5.
    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。

    Process for the preparation of amines, the amines thus obtained and the
use thereof as hardeners for epoxide resins
    6.
    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。

    Reactive compositions with an extended pot life
    7.
    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%。

    Process for the preparation of O-silylated hydroxyl compounds and their
use for the preparation of isocyanates containing ester groups
    9.
    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。

    Diphenylmethane diisocyanate based polyisocyanates containing
allophanate groups and having blocked isocyanate groups
    10.
    发明授权
    Diphenylmethane diisocyanate based polyisocyanates containing allophanate groups and having blocked isocyanate groups 失效
    含有脲基甲酸酯基并具有封端异氰酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯

    公开(公告)号:US5705593A

    公开(公告)日:1998-01-06

    申请号:US709801

    申请日:1996-09-10

    摘要: The present invention relates to polyisocyanates prepared from diphenylmethane diisocyanate wherein at least 95% of the isocyanate groups are blocked with diethyl malonate and wherein the polyisocyanates have, based on solids, A) a content of unblocked and blocked isocyanate groups (calculated as NCO) of 9% to 13%, B) a content of allophanate groups (calculated as C.sub.2 HN.sub.2 O.sub.3, molecular weight 101) of 3% to 9% and C) a calculated average functionality of 2.0 to 2.5. The present invention also relates to a process for the production of these polyisocyanates and to their use as crosslinking agents for organic polyhydroxyl compounds in polyurethane stoving lacquers.

    摘要翻译: 本发明涉及由二苯基甲烷二异氰酸酯制备的多异氰酸酯,其中至少95%的异氰酸酯基团用丙二酸二乙酯封闭,其中多异氰酸酯基于固体A具有未封端和封闭的异氰酸酯基团的含量(以NCO计算) 9%〜13%,B)脲基甲酸酯基(含量为C2HN2O3,分子量101)含量为3%〜9%,C)计算出的平均官能度为2.0〜2.5。 本发明还涉及一种生产这些多异氰酸酯的方法,以及它们在聚氨酯烘烤漆中用作有机多羟基化合物的交联剂的用途。