Allophanate-containing modified polyurethanes
    72.
    发明申请
    Allophanate-containing modified polyurethanes 审中-公开
    含有脲基甲酸酯的改性聚氨酯

    公开(公告)号:US20060205911A1

    公开(公告)日:2006-09-14

    申请号:US11369483

    申请日:2006-03-07

    IPC分类号: C08G18/00

    摘要: The present invention relates to a process for lowering the viscosity of compositions containing compounds having urethane groups, in which all or some of the urethane groups contained therein are reacted with monoisocyanates to form allophanate groups. The present invention also relates to compounds having allophanate groups and compositions containing such compounds, wherein at least 10 mole % of the allophanate groups contained therein correspond to formula I) wherein R is an alkyl, aralkyl or aryl radical which has up to 20 carbon atoms and optionally contains heteroatoms and wherein these radicals can also have, in addition to the NCO group present as part of the allophanate group, other functional groups which are neither isocyanate groups nor functional groups derived from isocyanate groups.

    摘要翻译: 本发明涉及降低含有氨基甲酸酯基团的化合物的组合物的粘度的方法,其中所含的氨基甲酸酯基全部或部分与单异氰酸酯反应形成脲基甲酸酯基。 本发明还涉及具有脲基甲酸酯基团的化合物和含有这些化合物的组合物,其中至少10摩尔%所含的脲基甲酸酯基团相应于式I),其中R是具有至多20个碳原子的烷基,芳烷基或芳基 并且任选地含有杂原子,并且除了作为脲基甲酸酯基的一部分存在的NCO基团之外,这些基团还可以具有不是异氰酸酯基的其它官能团和衍生自异氰酸酯基团的官能团。

    Process for preparing low-viscosity allophanates containing actinically curable groups
    73.
    发明申请
    Process for preparing low-viscosity allophanates containing actinically curable groups 有权
    制备含有光固化基团的低粘度脲基甲酸酯的方法

    公开(公告)号:US20060079660A1

    公开(公告)日:2006-04-13

    申请号:US11243126

    申请日:2005-10-04

    IPC分类号: C08G18/00

    摘要: The present invention provides a process for preparing radiation-curing allophanates having residual monomer contents of less than 0.5% by weight and an NCO content of less than 1% by weight, wherein (A) compounds containing isocyanate groups, (B) hydroxy-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups) and (C) optionally further compounds containing NCO-reactive groups, also optionally in the presence of a catalyst, are used to form NCO-group-containing urethanes having radiation-curing groups, which are subsequently reacted, without further addition of compounds containing isocyanate groups, in the presence of an allophanatization catalyst, the ratio of NCO groups of the compounds from A) to the OH groups of the compounds from B) and, where used, C) being 1.45:1.0 to 1.1:1.0.

    摘要翻译: 本发明提供一种制备具有小于0.5重量%的残余单体含量和小于1重量%的NCO含量的辐射固化脲基甲酸酯的方法,其中(A)含异氰酸酯基团的化合物,(B)羟基官能团 使用含有与光聚合辐射暴露于烯属不饱和化合物(辐射固化基团)反应的基团的化合物和(C)任选地还含有NCO-反应性基团的任何另外的化合物,也可任选地在催化剂存在下反应。 形成具有辐射固化基团的含NCO基团的聚氨酯,其随后在没有进一步加入含有异氰酸酯基团的化合物的情况下反应,在脲基化催化剂存在下,来自A)的化合物的NCO基团与OH基团的比例 的来自B)的化合物,并且在使用时,C)为1.45:1.0至1.1:1.0。

    Coating compositions
    74.
    发明申请
    Coating compositions 审中-公开
    涂料组合物

    公开(公告)号:US20050124714A1

    公开(公告)日:2005-06-09

    申请号:US11003764

    申请日:2004-12-03

    CPC分类号: C09D175/16 C08G18/672

    摘要: Quick-drying, solvent-based coating compositions, which are curable by UV-A radiation and contain at least one amorphous polyurethane with a glass transition temperature of from 35° C. to 100° C., the proportion by weight of soft groups in said amorphous polyurethane being less than 30 wt. %. The compositions are prepared by mixing all of the components that are free of isocyanate groups, and mixing in the components that contain free isocyanate groups just before application to a substrate.

    摘要翻译: 快速干燥,溶剂型涂料组合物,其可通过UV-A辐射固化并含有至少一种玻璃化转变温度为35℃至100℃的无定形聚氨酯,软组分的重量比 所述无定形聚氨酯的含量小于30wt。 % 通过将所有不含异氰酸酯基团的组分混合,并在刚刚施用于底物之前在含有游离异氰酸酯基团的组分中混合来制备组合物。

    Radiation-curable urethane acrylates containing iso-cyanate groups and their use
    76.
    发明授权
    Radiation-curable urethane acrylates containing iso-cyanate groups and their use 有权
    含有异氰酸酯基的可辐射固化的聚氨酯丙烯酸酯及其用途

    公开(公告)号:US06599955B1

    公开(公告)日:2003-07-29

    申请号:US09713742

    申请日:2000-11-15

    IPC分类号: C09D17514

    CPC分类号: C08G18/8175 C09D175/16

    摘要: The invention relates to radiation-curable coating composition containing: a) 10 to 100 wt. % of a urethane (meth)acrylate which contains both (meth)acryloyl groups and free isocyanate groups, b) 0 to 90 wt. % of (meth)acrylates which contain (meth)acryloyl groups but no free isocyanate groups or any isocyanate-reactive groups, the wt. % under a) and b) adding up to 100 wt. %, based on the weight of a)+b), and c) 0 to 10 wt. %, based on the sum of components a) and b) of a UV initiator for free radical polymerization. The invention also relates to metal, plastic, film, wood, leather and mineral substrates coated with the above-mentioned radiation-curable coating composition.

    摘要翻译: 本发明涉及可辐射固化的涂料组合物,其包含:a)10至100wt。 %的含(甲基)丙烯酰基和游离异氰酸酯基的氨基甲酸酯(甲基)丙烯酸酯,b)0〜90重量% %(甲基)丙烯酸酯,其含有(甲基)丙烯酰基但不含游离异氰酸酯基或任何异氰酸酯反应性基团, %)和b)加入高达100wt。 %,基于a)+ b)的重量,和c)0至10wt。 %,基于用于自由基聚合的UV引发剂的组分a)和b)的总和。本发明还涉及涂覆有上述可辐射固化涂料组合物的金属,塑料,膜,木材,皮革和矿物基材 。

    Process for preparing urethanes containing (meth)-acryloyl groups as binders for powder coatings
    77.
    发明授权
    Process for preparing urethanes containing (meth)-acryloyl groups as binders for powder coatings 失效
    制备含有(甲基)丙烯酰基的聚氨酯作为粉末涂料的粘合剂的方法

    公开(公告)号:US06569944B2

    公开(公告)日:2003-05-27

    申请号:US09810989

    申请日:2001-03-16

    IPC分类号: C08L7514

    摘要: The present invention relates to a process for preparing urethanes containing (meth)acryloyl groups that are suitable as binders for powder coatings by reacting a polyisocyanate component with a hydroxyl group-containing component that contains at least one compound additionally containing (meth)acryloyl groups in a melt of compounds containing (meth)acryloyl groups, which are crystalline in the solid state and have a melting point of 30 to 100° C. and a dynamic viscosity at 111° C. of less than 10 Pa·s, at elevated temperature until the NCO content has dropped below 0.5 wt. %. The present invention also relates to the use of these urethanes as binders for powder coating compositions for coating substrates made of wood, metal, plastics or mineral substances, which may have been primed.

    摘要翻译: 本发明涉及一种制备含有(甲基)丙烯酰基的聚氨酯的方法,所述聚氨酯通过使多异氰酸酯组分与含有至少一种另外含有(甲基)丙烯酰基的化合物的含羟基的组分反应,适合作为粉末涂料的粘合剂 含有(甲基)丙烯酰基的化合物的熔体,其在固态下为结晶,熔点为30-100℃,在111℃下的动态粘度小于10Pa.s,在高温下 直到NCO含量低于0.5wt。 %。 本发明还涉及这些氨基甲酸酯作为用于涂覆由木材,金属,塑料或矿物质制成的基材的粉末涂料组合物作为粘合剂的用途,所述基材可能已被引发。

    UV-curable binders and their use for production of high gloss coatings
    78.
    发明授权
    UV-curable binders and their use for production of high gloss coatings 失效
    UV可固化粘合剂及其用于生产高光泽涂料的用途

    公开(公告)号:US06323254B1

    公开(公告)日:2001-11-27

    申请号:US09480317

    申请日:2000-01-10

    IPC分类号: C08F246

    CPC分类号: C09D167/08 C08L2666/34

    摘要: The present invention relates to binders, which can be cured by free-radical polymerization initiated by UV light, and contain a) 10 to 90 parts by wt. of a polymer which contains, in chemically bound form, both ethylenically unsaturated groups and the reaction product of a resin containing abietic acid with not more than 50% of the OH groups of a polyfunctional alcohol having a molecular weight of less than 500, b) 10 to 90 parts by wt. of one or more mono- di-or oligoesters of (meth)acrylic acid having a molecular weight of less than 800 and c) optionally 0.1 to 10 parts by wt. of a photoinitiator component for the free-radical polymerization wherein the weights of a) and b) add up to 100. The present invention also relates to coating compositions containing these binders which are suitable for the production high-gloss coatings.

    摘要翻译: 本发明涉及粘合剂,其可以通过由UV光引发的自由基聚合固化,并且含有a)10至90重量份。 的聚合物,其以化学结合形式包含烯属不饱和基团和含有松香酸的树脂与分子量小于500的多官能醇的不超过50%的OH基团的反应产物,b) 10〜90重量份 的一种或多种具有小于800的(甲基)丙烯酸的单二 - 或低聚酯,和c)任选地0.1至10重量份。 的用于自由基聚合的光引发剂组分,其中a)和b)的重量加到100上。本发明还涉及包含这些粘合剂的涂料组合物,其适用于生产高光泽涂料。