会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 17. 发明授权
    • Cosolvent-free aqueous, anionic polyurethane dispersions and their use
as peelable coatings
    • 无溶剂的水性阴离子聚氨酯分散体及其作为可剥离涂层的用途
    • US5965195A
    • 1999-10-12
    • US989065
    • 1997-12-11
    • Hanns-Peter MullerHorst GruttmannHolger CasselmannHeino MullerJoachim PetzoldtManfred Bock
    • Hanns-Peter MullerHorst GruttmannHolger CasselmannHeino MullerJoachim PetzoldtManfred Bock
    • B05D5/00C08G18/08C08G18/10C08G18/12C08G18/65C08J11/06C09D175/04C09D175/12C09J175/12B05D3/02
    • C09D5/20C08G18/0823C08G18/12C08G18/6625C09D175/12C09J175/12
    • The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, ofa) an NCO prepolymer prepared fromi) an aliphatic and/or cycloaliphatic diisocyanate,ii) a macrodiol having a number average molecular weight of 500 to 10,000iii) a 2,2-bis-(hydroxymethyl)alkane monocarboxylic acid andiv) a diol having a molecular weight of 62 to 400, withb) optionally a diamine,c) a monofunctional chain terminating agent,d) water ande) a neutralizing agent,provided that the NCO content of the prepolymer is up to 25% lower than the theoretical value, the entire polyurethane-urea synthesis reaction is performed in the homogeneous phase and no cosolvent having a boiling range of greater than 100.degree. C. is used during the preparation of the dispersion of polyurethane-ureas.The present invention also relates to light fast coatings prepared from these coating compositions and to a process for preparing these coating compositions. Finally, the present invention relates to peelable coatings and to a method for recycling these coatings.
    • 本发明涉及涂料组合物,其适用于制备防光涂料,并且含有无溶剂的聚氨酯 - 脲的阴离子水性分散体,其中固体含量含有至少部分为盐形式的反应产物, a)由i)脂族和/或脂环族二异氰酸酯制备的NCO预聚物,ii)数均分子量为500至10,000的大型二醇ii)2,2-双 - (羟甲基)烷烃一元羧酸,和iv) 分子量为62〜400的二醇,b)任选的二胺,c)单官能链终止剂,d)水和e)中和剂,条件是预聚物的NCO含量低至25% 在理论值的范围内,在制备聚氨酯 - 脲的分散体期间,在均相中进行整个聚氨酯 - 尿素合成反应,并且在制备聚氨酯 - 脲的分散体期间不使用沸点范围大于100℃的共溶剂。 本发明还涉及由这些涂料组合物制备的防光涂料以及制备这些涂料组合物的方法。 最后,本发明涉及可剥离涂层以及这些涂层的回收方法。
    • 18. 发明授权
    • Water-based coating compositions and their use for the production of
flexible coatings
    • 水性涂​​料组合物及其用于生产柔性涂料的用途
    • US5455297A
    • 1995-10-03
    • US169943
    • 1993-12-20
    • Josef PedainHeino MullerDieter MagerManfred Schonfelder
    • Josef PedainHeino MullerDieter MagerManfred Schonfelder
    • C08G18/08C08G18/70C08G18/80C09D5/02C09D175/00C09D175/04C08G18/34
    • C08G18/0823C08G18/706C08G18/8048C08G18/8077Y10T428/31605
    • The present invention relates to a heat-crosslinkable water-based coating composition containing as bindera) a water-soluble or water-dispersible polyol component andb) a water-soluble or water-dispersible blocked polyisocyanate which has an average NCO functionality of 2.0 to 2.6 and is based on the reaction product ofb1) a polyisocyanate mixture having an average NCO functionality of 2.5 to 3.5 and containing (i) at least 15% by weight of an organic diisocyanate,b2) a blocking agent for isocyanate groups in an amount of 50 to 80 equivalent-%, based on the isocyanate groups of component b1) andb3) an aliphatic monohydroxymonocarboxylic acid in a quantity of 20 to 50 equivalent-%, based on the isocyanate groups of component b1) and the hydroxyl groups of component b3), wherein the equivalent ratio, based on the isocyanate-reactive groups of blocking agent b2) and the hydroxyl groups of component b3) to the isocyanate groups of component b1) is at least 0.9:1.
    • 本发明涉及一种热交联性水性涂料组合物,其包含作为粘合剂的a)水溶性或水分散性多元醇组分和b)具有平均NCO官能度为2.0的水溶性或水分散性封端多异氰酸酯 基于b1)具有2.5至3.5的平均NCO官能度并且包含(i)至少15重量%的有机二异氰酸酯的聚异氰酸酯混合物的反应产物,b2)用于异氰酸酯基团的封闭剂 基于组分b1)的异氰酸酯基团和基于组分b1)的异氰酸酯基团的b3)相对于基团b1)的异氰酸酯基团的量为20至50当量的脂族单羟基单羧酸的量为50至80当量% 组分b3),其中基于组分b1)的异氰酸酯基团的封端剂b2)和组分b3)的羟基的异氰酸酯反应性基团的当量比至少为0.9:1。