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    • 1. 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。
    • 3. 发明授权
    • Strippable coating compositions
    • 可剥离涂料组合物
    • US06903156B2
    • 2005-06-07
    • US09799238
    • 2001-03-05
    • Hanns-Peter MüllerHorst GruttmannJoachim PetzoldtHeino MüllerChristoph Irle
    • Hanns-Peter MüllerHorst GruttmannJoachim PetzoldtHeino MüllerChristoph Irle
    • C08F283/00C08G18/08C08G18/12C08G18/66C09D5/00C09D5/20C09D157/00C09D175/04C08L51/00
    • C08G18/12C08F283/006C08G18/0823C08G18/6659C09D5/20C09D175/04C08G18/3234C08L33/00
    • The present invention relates to light fast, aqueous, strippable coating compositions containing A) 40 to 90 wt. %, based on resin solids of A) and B), of aqueous polyurethane-polyureas and B) 10 to 60 wt. %, based on resin solids of A) and B), of polymers prepared from radically polymerizable monomers,wherein the percentages of A) and B) add up to 100, based on the weight of resin solids of A) and B). The present invention relates also to substrates coated with these strippable coating compositions. In addition, the present invention relates to the use of the stripped coatings as recycled material by mechanically comminuting the stripped coatings, optionally after cleaning, and then either pressing them in heatable presses to form sheets, or extruding them in an extruder to form endless thermoplastic threads, and then processing the resulting threads by known granulating methods to form cylindrical, spherical, lenticular or rhombic granules. Finally, the present invention relates to the use of the resulting thermoplastic granules for the production of articles by known processes such as injection molding, blow molding, deep-drawing, slush molding or flat extrusion.
    • 本发明涉及一种轻质,含水,可剥离的涂料组合物,其含有A)40-90wt。 %,基于A)和B)的树脂固体,水性聚氨酯 - 聚脲和B)10至60wt。 基于A)和B)的树脂固体,由可自由基聚合的单体制备的聚合物,其中A)和B)的百分比基于A)和B)的树脂固体的重量加到100上。 本发明还涉及涂覆有这些可剥离涂料组合物的基材。 此外,本发明涉及剥离的涂层作为再循环材料的用途,通过机械粉碎剥离的涂层,任选地在清洁之后,然后在可加热的压力机中压制以形成片材,或者在挤出机中挤出以形成环形热塑性塑料 螺纹,然后通过已知的造粒方法处理所得螺纹以形成圆柱形,球形,透镜状或菱形颗粒。 最后,本发明涉及所得到的热塑性颗粒用于通过已知方法如注射成型,吹塑,深冲,搪塑或扁平挤出生产制品的用途。
    • 9. 发明申请
    • SECURITY AND/OR VALUABLE DOCUMENTS WITH A TOP LAYER WITH A SCRATCH-RESISTANT FINISH
    • 安全和/或有价值的文件与顶层与耐刮擦整理
    • US20120141814A1
    • 2012-06-07
    • US13307115
    • 2011-11-30
    • Joachim PetzoldtMehmet-Cengiz YesildagGeorgios Tziovaras
    • Joachim PetzoldtMehmet-Cengiz YesildagGeorgios Tziovaras
    • B42D15/00B32B27/36C09D133/04
    • C09D4/00C08F222/1006C08F2222/1026C08F2222/1053Y10T156/10Y10T156/1041Y10T428/31935
    • The invention relates to a security and/or valuable document containing a scratch-resistant coating obtained from a lacquer composition comprising I) from 12 to 70 parts by wt. of a C2-C12-diol diacrylate or C2-C12-diol dimethacrylate, II) from 12 to 40 parts by wt. of an alkoxylated mono-, di-, tri-, tetra-, penta- or hexaacrylate or alkoxylated mono-, di-, tri-, tetra-, penta- or hexamethacrylate, III) from 0 to 40 parts by wt. of a monomer selected from the group consisting of pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, pentaerythritol trimethacrylate, pentaerythritol tetramethacrylate, dipentaerythritol tetramethacrylate, dipentaerythritol pentamethacrylate, dipentaerythritol hexamethacrylate, reaction products thereof with aliphatic or aromatic diisocyanates, and mixtures thereof, IV) from 5 to 60 parts by wt. of a further mono-, di- or triacrylate or mono-, di- or trimethacrylate, and further comprises V) from 0.1 to 10 parts by wt. of a photoinitiator.
    • 本发明涉及一种包含从漆组合物获得的防刮涂层的安全和/或有价值的文件,其包含I)12至70重量份。 的C 2 -C 12二醇二丙烯酸酯或C 2 -C 12二醇二甲基丙烯酸酯,II)为12〜40重量份。 烷氧基化的单,二,三,四,五或六丙烯酸酯或烷氧基化的单,二,三,四,五或六甲基丙烯酸酯III)为0-40重量份。 选自季戊四醇三丙烯酸酯,季戊四醇三丙烯酸酯,季戊四醇四丙烯酸酯,二季戊四醇四丙烯酸酯,二季戊四醇六丙烯酸酯,季戊四醇六甲基丙烯酸酯,季戊四醇三甲基丙烯酸酯,季戊四醇四甲基丙烯酸酯,二季戊四醇四甲基丙烯酸酯,二季戊四醇五甲基丙烯酸酯,二季戊四醇六甲基丙烯酸酯,其与脂族或芳族二异氰酸酯的反应产物, IV)5〜60重量份。 的另外的单 - ,二 - 或三丙烯酸酯或单 - ,二 - 或三甲基丙烯酸酯,并且还包含V)0.1至10重量份。 的光引发剂。