Polyisocyanate mixtures, processes for their production and their use as
binders for coating compositions or as reactants for compounds reactive
to isocyanate groups or carboxyl groups
    41.
    发明授权
    Polyisocyanate mixtures, processes for their production and their use as binders for coating compositions or as reactants for compounds reactive to isocyanate groups or carboxyl groups 失效
    聚异氰酸酯混合物,其生产方法及其作为涂料组合物的粘合剂或作为反应性异氰酸酯基团或羧基的化合物的反应物

    公开(公告)号:US5098983A

    公开(公告)日:1992-03-24

    申请号:US644798

    申请日:1991-01-23

    摘要: The present invention relates to polyisocyanate mixtures havinga) an average NCO functionality of 1.5 to 4.0,b) a content of (cyclo)aliphatically bound isocyanate groups (calculated as NCO, MW 42) of 2 to 40% by weight,c) a content of chemically incorporated carboxyl groups (calculated as COOH, MW 45) of 0.01 to 15% by weight andd) a content of (cyclo)aliphatically bound uretdione groups (calculated as C.sub.2 N.sub.2 O.sub.2, MW 84) of 1 to 23% by weight.The present invention also relates to processes for the production of these polyisocyanate mixtures and to their use, optionally after at least partial neutralization with tertiary amines, as binders for coating compositions which may be crosslinked under the effect of moisture and/or heat and as reactants for compounds containing isocyanate- and/or carboxyl-reactive groups in the production of high molecular weight plastics.

    摘要翻译: 本发明涉及具有a)平均NCO官能度为1.5至4.0的多异氰酸酯混合物,b)(环)脂族结合的异氰酸酯基团含量(以NCO计,MW 42计)为2-40重量%,c)a 化学引入的羧基含量(按COOH计算,MW 45)为0.01〜15重量%,d)(环)脂族结合的脲二酮基(C 2 N 2 O 2,MW 84计算)的含量为1〜23重量%。 本发明还涉及生产这些多异氰酸酯混合物的方法及其用途,任选地在用叔胺至少部分中和之后,作为可在水分和/或加热和作为反应物的作用下交联的涂料组合物的粘合剂 对于在高分子量塑料生产中含有异氰酸酯和/或羧基反应性基团的化合物。

    POWDER MIXTURES, PROCESSES FOR PREPARING SUCH MIXTURES, POWDER COATINGS USING SUCH MIXTURES AND METHODS OF COATING SUBSTRATES WITH SUCH MIXTURES
    45.
    发明申请
    POWDER MIXTURES, PROCESSES FOR PREPARING SUCH MIXTURES, POWDER COATINGS USING SUCH MIXTURES AND METHODS OF COATING SUBSTRATES WITH SUCH MIXTURES 审中-公开
    粉末混合物,制备这种混合物的方法,使用这种混合物的粉末涂料以及用这种混合物涂覆基材的方法

    公开(公告)号:US20100056702A1

    公开(公告)日:2010-03-04

    申请号:US12546982

    申请日:2009-08-25

    IPC分类号: C08L75/04 C08L67/00 B05D3/02

    摘要: Powder mixtures for powder coatings comprising: (A) a non-blocked, micronized, cycloaliphatic diisocyanate-derived polyisocyanate which is solid below 40° C. and liquid above 120° C. and has an average particle size d50 of below 10 μm; (B) a pulverulent binder component having an average particle size d50 of below 100 μm, comprising 25 to 75 wt. % of at least one amorphous polyol (B1) and 75 to 25 wt. % of at least one crystalline or semicrystalline polyol (B2); and, (C) optionally, one or more powder coating auxiliary substances and additives; processes for preparing such mixtures; powder coating obtained therefrom and substrates coated therewith.

    摘要翻译: 用于粉末涂料的粉末混合物,其包含:(A)非封闭的,微粉化的脂环族二异氰酸酯衍生的多异氰酸酯,其固体低于40℃,液体高于120℃,平均粒度d50低于10μm; (B)平均粒度d50小于100μm的粉状粘合剂组分,包含25至75wt。 %的至少一种无定形多元醇(B1)和75〜25wt。 %的至少一种结晶或半结晶多元醇(B2); 和(C)任选的一种或多种粉末涂料辅助物质和添加剂; 制备这种混合物的方法; 由此获得的粉末涂料和其上涂覆的基材。

    Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature
    47.
    发明申请
    Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature 有权
    聚氨酯粉末涂料组合物不会分解阻断剂并且具有低烘烤温度

    公开(公告)号:US20050222364A1

    公开(公告)日:2005-10-06

    申请号:US11094589

    申请日:2005-03-30

    摘要: The present invention relates to polyurethane powder coating compositions containing A) a hydroxyl-functional binder component, which is solid below 40° C. and liquid above 130° C., has a content of carboxyl groups (calculated as COOH; molecular weight 45) of 0.5 to 2.0 wt. %, and contains at least one polymeric polyol having an OH number of 15 to 200 mg KOH/g and a number average molecular weight of 400 to 10,000 and B) a polyaddition compound which contains uretdione groups and optionally free isocyanate groups, is solid below 40° C. and liquid above 125° C., and is prepared from aliphatic and/or cycloaliphatic diisocyanates, C) at least one zinc compound as hardening catalyst, and D) a compound which has a number average molecular weight of 200 to 5000 and contains groups reactive to carboxyl groups, wherein i) components A) and B) are present in amounts such that 0.8 to 2.2 isocyanate groups of component B) are present for each hydroxyl group of component A), ii) the term isocyanate groups of component B) means the sum of isocyanate groups present in dimeric form as uretdione groups and free isocyanate groups, iii) components A) and D) are present in amounts such that 0.8 to 2.0 groups of component D) which are reactive to carboxyl groups are present for each carboxyl group of component A), iv) when aliphatic and/or cycloaliphatic dicarboxylic acids having 4 to 20 carbon atoms and/or aliphatic hydroxyl carboxylic acids having 4 to 18 carbon atoms are present as component A2), the amount of components A2) and D) in the total amount of components A), B) and D) is less than 10 wt. % and v) the amount of component C) in the total amount of components A) to E) is 0.05 to 5 wt. %.

    摘要翻译: 本发明涉及聚氨酯粉末涂料组合物,其包含A)羟基官能粘合剂组分,其固体低于40℃,液体高于130℃具有羧基含量(按COOH计算;分子量45) 为0.5〜2.0重量% %,并且包含至少一种羟值为15-200mg KOH / g和数均分子量为400至10,000的聚合多元醇,以及B)含有脲二酮基团和任选的游离异氰酸酯基团的加聚化合物,其固体在下面 40℃,液体高于125℃,由脂族和/或脂环族二异氰酸酯制备,C)至少一种锌化合物作为硬化催化剂,和D)数均分子量为200-5000的化合物 并且含有与羧基反应的基团,其中i)组分A)和B)存在的量使得组分B)的每个羟基存在组分B)的0.8至2.2个异氰酸酯基团,ii)术语异氰酸酯基团 组分B)表示以二聚体形式存在的异氰酸酯基团作为脲二酮基团和游离异氰酸酯基团的总和,iii)组分A)和D)的存在量使得与羧基反应的0.8至2.0组的组分D) 推测 t)组分A)中的每个羧基,iv)当具有4至20个碳原子的脂族和/或脂环族二羧酸和/或具有4至18个碳原子的脂肪族羟基羧酸作为组分A2)存在时,组分的量 A2)和D)组分A),B)和D)的总量小于10wt。 %和v)组分A)至E)的总量中组分C)的量为0.05至5重量% %。

    Preparation of polyisocyanates containing uretdione groups
    48.
    发明申请
    Preparation of polyisocyanates containing uretdione groups 有权
    含有脲二酮基团的多异氰酸酯的制备

    公开(公告)号:US20050113551A1

    公开(公告)日:2005-05-26

    申请号:US10990558

    申请日:2004-11-17

    摘要: A method of dimerizing isocyanates including reacting the isocyanates in the presence of phosphines containing at least one directly phosphorus-attached bicyclic, cycloaliphatic radical. The polyisocyanate compositions obtained as described above can be used in mouldings, coating materials, adhesives, sealants or adjuvants that further include the polyisocyanate compositions and one or more materials selected from antioxidants, light stabilizers, pigments, fillers, additives, levelling assistance, defoamers and matting agents. The coating materials, adhesives or sealants can be used to coat substrates.

    摘要翻译: 二异氰酸酯的方法,包括在含有至少一个直接与磷连接的二环,脂环族基团的膦存在下使异氰酸酯反应。 如上所述获得的多异氰酸酯组合物可用于进一步包括多异氰酸酯组合物的模制品,涂料,粘合剂,密封剂或助剂,以及选自抗氧化剂,光稳定剂,颜料,填料,添加剂,流平助剂,消泡剂和 消光剂 涂料,粘合剂或密封剂可用于涂覆基材。