Rapid curing, light stable, two-component polyurethane coating
compositions
    1.
    发明授权
    Rapid curing, light stable, two-component polyurethane coating compositions 失效
    快速固化,光稳定,双组分聚氨酯涂料组合物

    公开(公告)号:US5154950A

    公开(公告)日:1992-10-13

    申请号:US447331

    申请日:1989-12-07

    IPC分类号: C08G18/08 C08G18/18

    摘要: The present invention is directed to a process for the preparation of a polyurethane coating by a) preparing a coating composition having an improved potlife fromi) a compound containing at least two hydroxyl groups,ii) a polyisocyanate containing aliphatically-, cycloaliphatically- or araliphatically-bound isocyanate groups,iii) about 0.005 to 2.0 to weight percent, based on the weight of components i) and ii), of a tine catalyst andiv) at least about 50 mole percent, based on the tin catalyst, of hydrogen chloride,b) applying the coating composition to a substrate andc) curing the coating composition, optionally in the presence of an amine vapor, to form the polyurethane coating.

    摘要翻译: 本发明涉及一种制备聚氨酯涂层的方法,该方法是:a)制备具有改善的适用期的涂料组合物,其含有i)含有至少两个羟基的化合物,ii)含有脂族,脂环或芳烃的多异氰酸酯 异氰酸酯基团,iii)基于催化剂组分i)和ii)的重量,约0.005至2.0重量%,和iv)基于锡催化剂的至少约50摩尔%的氯化氢 b)将涂料组合物施用到基材上,以及c)任选地在胺蒸气的存在下固化涂料组合物以形成聚氨酯涂层。

    Ambient temperature curable one-component polyurethane or polyurea
compositions
    2.
    发明授权
    Ambient temperature curable one-component polyurethane or polyurea compositions 失效
    环境温度可固化单组分聚氨酯或聚脲组合物

    公开(公告)号:US5124447A

    公开(公告)日:1992-06-23

    申请号:US558735

    申请日:1990-07-27

    摘要: The present invention is directed to a one-component polyurethane or polyurea composition which may be cured at either ambient or elevated temperature and is based ona) a liquid blocked polyisocyanate wherein the isocyanate groups have been blocked with a phenolic blocking agent.b) a solid polyamine salt which is insoluble in and dispersed throughout the liquid blocked polyisocyanate, the solid polyamine salt being based on the reaction product of a polyamine with an organic or inorganic acid.The present invention is also directed to a process for the preparation of a high molecular weight polymer by heating the one-component composition at elevated temperature or by adding a polar solvent to the above coating composition and allowing the composition to cure.

    摘要翻译: 本发明涉及一种单组分聚氨酯或聚脲组合物,其可以在环境温度或升高的温度下固化,并且基于a)液体封闭的多异氰酸酯,其中异氰酸酯基团已被酚封闭剂封闭。 b)固体多胺盐,其不溶于和分散在整个液体封闭的多异氰酸酯中,固体多胺盐基于多胺与有机或无机酸的反应产物。 本发明还涉及通过在高温下加热单组分组合物或通过向上述涂料组合物中加入极性溶剂并使组合物固化来制备高分子量聚合物的方法。

    Storage stable, heat curable polyurethane compositions
    3.
    发明授权
    Storage stable, heat curable polyurethane compositions 失效
    储存稳定的,可热固化的聚氨酯组合物

    公开(公告)号:US6103849A

    公开(公告)日:2000-08-15

    申请号:US266290

    申请日:1994-06-27

    摘要: Storage-stable, one-component polyurethane compositions which cure at elevated temperature are made up of (a) an isocyanate which has been blocked with a phenol or an oxime, (b) at least one compound selected from polyketimines, polyenamines and oxazolidines, and (c) a compound which generates water at elevated temperature. Components (a), (b) and (c) are used in amounts such that the equivalent ratio of a:b:c is from about 1.0:0.1:0.5 to about 1:2:2.

    摘要翻译: 在高温下固化的储存稳定的单组分聚氨酯组合物由以下物质组成:(a)已用苯酚或肟封端的异氰酸酯,(b)至少一种选自聚酮亚胺,多烯胺和恶唑烷的化合物,以及 (c)在高温下产生水的化合物。 组分(a),(b)和(c)的用量使得a:b:c的当量比为约1.0:0.1:0.5至约1:2:2。

    Ambient temperature curable one-component polyurethane or polyurea
compositions
    4.
    发明授权
    Ambient temperature curable one-component polyurethane or polyurea compositions 失效
    环境温度可固化单组分聚氨酯或聚脲组合物

    公开(公告)号:US5142014A

    公开(公告)日:1992-08-25

    申请号:US559239

    申请日:1990-07-27

    摘要: The present invention is directed to a one-component polyurethane or polyurea composition which may be cured at either ambient or elevated temperature and is based ona) a liquid blocked polyisocyanate wherein the isocyanate groups have been blocked with a phenolic blocking agent.b) a solid polyamine internal salt which is insoluble in and dispersed throughout the liquid blocked polyisocyanate, the solid polyamine internal salt containing at least two primary and/or secondary amino groups and at least one organic acid group.The present invention is also directed to a process for the preparation of a high molecular weight polymer by heating the one-component composition at elevated temperature or by adding a polar solvent to the above coating composition and allowing the composition to cure.

    摘要翻译: 本发明涉及一种单组分聚氨酯或聚脲组合物,其可以在环境温度或升高的温度下固化,并且基于a)液体封闭的多异氰酸酯,其中异氰酸酯基团已被酚封闭剂封闭。 b)固体多胺内盐,其不溶于和分散在整个液体封闭的多异氰酸酯中,所述固体多胺内盐含有至少两个伯和/或仲氨基和至少一个有机酸基团。 本发明还涉及通过在高温下加热单组分组合物或通过向上述涂料组合物中加入极性溶剂并使组合物固化来制备高分子量聚合物的方法。

    One-component polyurethane or polyurea compositions
    5.
    发明授权
    One-component polyurethane or polyurea compositions 失效
    单组分聚氨酯或聚脲组合物

    公开(公告)号:US5138011A

    公开(公告)日:1992-08-11

    申请号:US558930

    申请日:1990-07-27

    摘要: The present invention is directed to a one-component polyurethane or polyurea composition which is based ona) a liquid blocked polyisocyanate wherein the isocyanate groups have been blocked with a phenolic blocking agent andb) a solid polyamine which is insoluble in and dispersed throughout the liquid blocked polyisocyanate,wherein the composition may be cured at elevated temperature and also at ambient temperature if the solid polyamine contains nonaromatically bound amino groups.The present invention is also directed to a process for the preparation of a high molecular weight polymer by heating the one-component composition at elevated temperature or by adding a polar solvent to the coating composition and allowing the composition to cure at ambient temperatures, provided that the solid polyamine contains nonaromatically bound amino groups.

    摘要翻译: 本发明涉及一种单组分聚氨酯或聚脲组合物,其基于a)液体封闭的多异氰酸酯,其中异氰酸酯基团已经被酚类封闭剂封闭,以及b)固体多胺,其不溶于和分散在整个 液体封闭的多异氰酸酯,其中组合物可以在升高的温度下和在环境温度下固化,如果固体多胺含有非结合的氨基。 本发明还涉及通过在高温下加热单组分组合物或通过向涂料组合物中加入极性溶剂并使组合物在环境温度下固化而制备高分子量聚合物的方法,条件是 固体多胺含有非结合的氨基。

    Aqueously dispersed blends of epoxy resins and blocked urethane
prepolymers
    6.
    发明授权
    Aqueously dispersed blends of epoxy resins and blocked urethane prepolymers 失效
    环氧树脂和封闭的聚氨酯预聚物的均匀分散的共混物

    公开(公告)号:US5034435A

    公开(公告)日:1991-07-23

    申请号:US542276

    申请日:1990-06-22

    摘要: The present invention is directed to an aqueously dispersed, ambient temperature curable composition containing(a) an epoxy resin which is rendered water-dispersible by chemically incorporated emulsifiers and/or by being admixed with external emulsifiers and(b) an isocyanate-terminated prepolymer(i) which is rendered water-dispersible by chemically incorporated emulsifiers and/or by being admixed with external emulsifiers,(ii) which is prepared from a mixture containing a polyisocyanate and a compound having a molecular weight of at least 500 and at least two hydroxyl groups and(iii) wherein the isocyanate groups are blocked with a phenolic compound.The present invention is also directed to a process for preparing polyurethanes by reacting the above blends with polyamines at ambient or elevated temperature and to the polyurethanes produced therefrom.

    摘要翻译: 本发明涉及一种高分散的环境温度可固化组合物,其包含(a)环氧树脂,其通过化学结合的乳化剂和/或通过与外部乳化剂和(b)异氰酸酯封端的预聚物( i),其通过化学掺入的乳化剂和/或通过与外部乳化剂混合使其分散水,(ii)其由含有多异氰酸酯和分子量为至少500的化合物和至少两个羟基的混合物制备 基团和(iii)其中异氰酸酯基团被酚类化合物封闭。 本发明还涉及通过在室温或高温下使上述共混物与多胺反应制备聚氨酯的方法和由其制备的聚氨酯。

    Polyurea coatings from dimethyl-substituted polyaspartic ester mixtures
    7.
    发明授权
    Polyurea coatings from dimethyl-substituted polyaspartic ester mixtures 失效
    聚二甲基取代聚天冬氨酸酯混合物的聚脲涂料

    公开(公告)号:US06482333B1

    公开(公告)日:2002-11-19

    申请号:US09476314

    申请日:1999-12-30

    IPC分类号: C09K300

    摘要: A method for making a polyurea coating by: (a) coating a substrate with a coating composition containing effective coating-forming amounts of (i) a polyisocyanate component, and (ii) an polyaspartic ester mixture. The invention also relates to the coatings made by the method, the polyaspartic ester mixtures used to make the coatings, and methods to make the mixtures.

    摘要翻译: 一种通过以下步骤制备聚脲涂层的方法:(a)用含有有效涂层形成量的涂料组合物涂覆基材,所述涂料组合物含有(i)多异氰酸酯组分,和(ii)聚天冬氨酸酯混合物。 本发明还涉及通过该方法制备的涂层,用于制备涂层的聚天冬氨酸酯混合物以及制备混合物的方法。

    Low surface energy polyisocyanates and their use in one- or
two-component coating compositions
    8.
    发明授权
    Low surface energy polyisocyanates and their use in one- or two-component coating compositions 失效
    低表面能多异氰酸酯及其在单组分或双组分涂料组合物中的用途

    公开(公告)号:US5691439A

    公开(公告)日:1997-11-25

    申请号:US767056

    申请日:1996-12-16

    摘要: The present invention relates to polyisocyanate adducts containing allophanate groups, siloxane groups and optionally isocyanurate groups that are prepared by reacting compounds a) which i) are substantially free of hydroxyl groups and isocyanate groups, ii) have an average of at least two urethane groups per molecule and iii) contain 0 to 50% by weight of siloxane groups, based on the weight of the polyisocyanate adducts, with an excess quantity, based on the equivalents of urethane groups, of polyisocyanates b), which optionally contain siloxane groups, to form polyisocyanate adducts and optionally removing at least a portion of the unreacted excess polyisocyanates b), provided that compounds a) and polyisocyanates b) contain a total of at least 0.001% by weight, of siloxane groups, based on the weight of the polyisocyanate adducts. The present invention also relates to a process for preparing these polyisocyanates adducts, to blends of the polyisocyanates with other polyisocyanates that which do not contain siloxane groups and to the use of the polyisocyanate adducts or polyisocyanate blends, optionally in blocked form, in one- or two-component coating compositions.

    摘要翻译: 本发明涉及含有脲基甲酸酯基团,硅氧烷基团和任选的异氰脲酸酯基团的多异氰酸酯加合物,其通过使i)基本上不含羟基和异氰酸酯基团的化合物a)制备,ii)平均具有至少两个氨基甲酸酯基团 分子和iii)包含0至50重量%的硅氧烷基团,基于多异氰酸酯加合物的重量,基于氨基甲酸酯基团的当量,任选地含有硅氧烷基团的多异氰酸酯b)的过量形成 多异氰酸酯加合物和任选地除去至少一部分未反应的过量多异氰酸酯b),条件是化合物a)和多异氰酸酯b)基于多异氰酸酯加合物的重量含有至少0.001重量%的硅氧烷基团。 本发明还涉及制备这些多异氰酸酯加合物的方法,多异氰酸酯与不含硅氧烷基团的其它多异氰酸酯的共混物,以及任选地以封闭形式使用多异氰酸酯加合物或多异氰酸酯共混物, 双组分涂料组合物。

    Low surface energy polyisocyanates and their use in one- or
two-component coating compositions
    9.
    发明授权
    Low surface energy polyisocyanates and their use in one- or two-component coating compositions 失效
    低表面能多异氰酸酯及其在单组分或双组分涂料组合物中的用途

    公开(公告)号:US5574122A

    公开(公告)日:1996-11-12

    申请号:US536556

    申请日:1995-09-29

    摘要: The present invention is directed to a polyisocyanate mixturei) having an NCO content of 5 to 35% by weight and prepared from an organic diisocyanate,ii) containing up to 25% by weight of isocyanurate groups (calculated as N.sub.3, C.sub.3, O.sub.3, MW 126),iii) containing allophanate groups in an amount such that there are more equivalents of allophanate groups than urethane or urea groups and such that the polyisocyanate mixture remains stable and homogeneous in storage for 3 months at 25.degree. C. andiv) containing siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight,wherein the preceding percentages are based on the solids content of the polyisocyanate mixture, excluding any unreacted organic diisocyanate, and wherein the siloxane groups are incorporated by reacting an isocyanate group with a compound containing one isocyanate-reactive group directly attached to a carbon atom and one or more siloxane groups. The present invention is also directed to a process for the production of this polyisocyanate mixture and to its use, optionally in blocked form, as an isocyanate component in one- or two-component coating compositions.

    摘要翻译: 本发明涉及NCO含量为5-35重量%并由有机二异氰酸酯制备的多异氰酸酯混合物,ii)含有至多25重量%的异氰脲酸酯基(以N 3,C 3,O 3, MW 126),iii)含有脲基甲酸酯基团,其量使得比氨基甲酸酯或脲基团具有更多当量的脲基甲酸酯基团,并且使得多异氰酸酯混合物在25℃保存3个月时保持稳定和均匀,并且iv)含 硅氧烷基团(以SiO,MW 44计),其量为0.002至50重量%,其中前述百分比是基于多异氰酸酯混合物的固体含量,不包括任何未反应的有机二异氰酸酯,并且其中硅氧烷基团通过 使异氰酸酯基与含有直接连接到碳原子和一个或多个硅氧烷基团的一个异氰酸酯反应性基团的化合物反应。 本发明还涉及在单组分或双组分涂料组合物中制备该多异氰酸酯混合物及其用途,任选为封闭形式的异氰酸酯组分的方法。