Epoxy(meth)acrylates, a process for their production and their use as binders
    2.
    再颁专利
    Epoxy(meth)acrylates, a process for their production and their use as binders 有权
    环氧(甲基)丙烯酸酯,其生产方法及其作为粘合剂的用途

    公开(公告)号:USRE37448E1

    公开(公告)日:2001-11-13

    申请号:US09521490

    申请日:2000-03-08

    IPC分类号: C08F2000

    摘要: The present invention relates epoxy(meth)acrylates which are substantially free from epoxide groups and are the reaction products of organic compounds containing epoxide groups and having a number average molecular weight (Mn) of 130 to 1000 with I) compounds containing carboxyl and ester groups at an equivalent ratio of carboxyl groups to epoxide groups of 0.7:1.0 to 1.0:1.0, wherein compounds I) are reaction products of A) organic dicarboxylic acids or dicarboxylic acid anhydrides having a molecular weight of 98 to 164 with B) reaction products containing alcoholic hydroxyl groups and prepared at a COOH/OH equivalent ratio of 0.6 to 0.95 from a) (meth)acrylic acid and b) tri- or tetrahydric ether alcohols having a molecular weight of 180 to 1000, which contain at least two ethylene oxide units —CH2—CH2—O— as part of one or more ether structures and which contain up to 20 mole %, based on the total moles of alkylene oxide units, of propylene oxide units, —CH2—CH (CH3)—O—, and II) basic nitrogen compounds selected from ammonia and (cyclo)aliphatic primary and secondary mines at an NH/epoxide equivalent ratio of 0:1.0 to 0.3:1.0. The present invention also relates to a process for preparing these epoxy(meth)acrylates and to their use in radically hardenable coating, putties or sealing compositions, or for the production of moldings.

    摘要翻译: 本发明涉及基本上不含环氧基的环氧(甲基)丙烯酸酯,并且是含有环氧基的有机化合物与数均分子量(Mn)为130-1000的反应产物,其中含有羧基和酯基的化合物在 羧基与环氧基的当量比为0.7:1.0至1.0:1.0,其中化合物I)是分子量为98至164的A)有机二羧酸或二羧酸酐的反应产物,B)含有醇羟基的反应产物 并由a)(甲基)丙烯酸和b)分子量为180〜1000的三元醇或四元醚醇制备,其中COOH / OH当量比为0.6〜0.95,其含有至少两个环氧乙烷单元-CH 2 -CH 2 - O-作为一种或多种醚结构的一部分,并且基于环氧烷单元的总摩尔数含有高达20摩尔%的环氧丙烷单元,-CH 2 -CH(CH 3)-O-和II)碱式硝基 本发明还涉及一种制备这些环氧(甲基)丙烯酸酯及其用途的方法。本发明还涉及一种制备这些环氧(甲基)丙烯酸酯及其用途的方法。 在自由基硬化涂料,油灰或密封组合物中,或用于生产模制品。

    Process for recovering and recycling organic binder components from a
coatings slurry
    3.
    发明授权
    Process for recovering and recycling organic binder components from a coatings slurry 失效
    从涂料浆料中回收和回收有机粘合剂成分的方法

    公开(公告)号:US5281629A

    公开(公告)日:1994-01-25

    申请号:US15728

    申请日:1993-02-10

    CPC分类号: C09D7/008 C08J11/00

    摘要: The present invention relates to a process for recovering and recycling the organic binder components accumulating during the spraying of a solvent-containing, two-component polyurethane coating or a solvent-containing, moisture-curing one-component polyurethane coating byi) forming a coatings slurry containing the organic binder components, water and a coagulating agent,ii) mixing the coatings slurry, optionally after removing a portion of the water, with an organic solvent which is inert towards isocyanate groups,iii) reacting the free isocyanate groups present in the mixture obtained in step (ii) with a compound containing one isocyanate-reactive group which is more reactive with isocyanate groups than both water and the isocyanate-reactive component of the two-component polyurethane coating, if present, andiv) removing any remaining water and insoluble components from the organic phase accumulating in step (iii) and recovering the organic phase containing the organic binder components.

    摘要翻译: 本发明涉及一种在含有溶剂的双组分聚氨酯涂层或含溶剂的湿固化单组分聚氨酯涂层中积累的有机粘合剂组分的回收和再循环方法,该方法为:i)形成涂层 含有有机粘合剂组分的浆料,水和凝结剂,ii)任选地在除去一部分水之后将涂料浆料与对异氰酸酯基团呈惰性的有机溶剂混合,iii)使存在于 (ii)中得到的混合物与含有一个与异氰酸酯基反应的异氰酸酯反应性基团的化合物比双组分聚氨酯涂层的水和异氰酸酯反应性组分(如果存在)和iv)除去任何剩余的水 和来自步骤(iii)中积累的有机相的不溶性组分,并回收含有有机粘合剂的有机相 贱人

    Aqueous polyurethane dispersions
    5.
    发明授权
    Aqueous polyurethane dispersions 有权
    水性聚氨酯分散体

    公开(公告)号:US06284836B1

    公开(公告)日:2001-09-04

    申请号:US09411096

    申请日:1999-10-04

    IPC分类号: C08J300

    摘要: Aqueous polyurethane dispersions containing a polyurethane, composed of a) at least one polyol having an average molecular weight, determined as the number average, of 500-6000 g/mol, preferably 1000 to 4000, in particular 1500 to 3000 g/mol, b) at least one polyol, preferably diol, having a molecular weight of less than 500 g/mol, preferably of 61 to 499 g/mol, c) at least one aliphatic polyisocyanate, preferably diisocyanate, d) at least one diol having a molecular weight of less than 450 g/mol, which carries one or more ionic groups and/or one or more potentially ionic groups, preferably at least one carboxyl group, e) at least one amine which is reactive towards NCO groups, carries hydroxyl groups and has an OH functionality of 1 to 6, f) water and optionally g) a monoalcohol, characterized in that the molar ratio of polyol of the component a) to the sum of the polyols b) and d) is 1:1.5 to 1:4, preferably 1:2 to 1:3, the molar ratio of the sum of the polyols a), b) and d) to the polyisocyanate c) is 1:1.1 to 1:2.5, preferably 1:1.2 to 1:1.7, the OH functionality of the polyurethane being 2 to 6, preferably 2 to 4, and the average molecular weight, determined as the number average, of the polyurethane being less than 15,000, preferably from 2500 to 10,000, in particular from 3000 to 7000, g/mol.

    摘要翻译: 含有聚氨酯的水性聚氨酯分散体由以下组成:a)至少一种数均分子量为500-6000g / mol,优选1000-4000,特别是1500-3000g / mol的平均分子量的多元醇,b) 至少一种分子量小于500g / mol,优选61至499g / mol的多元醇,优选二醇,c)至少一种脂族多异氰酸酯,优选二异氰酸酯,d)至少一种具有分子量的二醇 其携带一个或多个离子基团和/或一个或多个潜在的离子基团,优选至少一个羧基,e)至少一个对NCO基团具有反应性的胺,其携带羟基并具有 1至6的OH官能团,f)水和任选地g)一元醇,其特征在于组分a)的多元醇与多元醇b)和d)之和的摩尔比为1:1.5至1:4, 优选1:2至1:3,多元醇a),b)和d)之和与多异氰酸酯的摩尔比 苯甲酸酯c)为1:1.1至1:2.5,优选1:1.2至1:1.7,聚氨酯的OH官能度为2至6,优选2至4,平均分子量为数均分子量 聚氨酯小于15,000,优选2500至10,000,特别是3000至7000g / mol。