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    • 1. 发明授权
    • Carboxyl-containing polymer(s) with (2-oxo-1,3-dioxolan-4-yl)methyl
groups-containing compound(s)
    • 含有(2-氧代-1,3-二氧戊环-4-基)甲基的化合物的含羧基的聚合物
    • US6090891A
    • 2000-07-18
    • US75639
    • 1998-05-11
    • Isabelle FrischingerJacques-Alain CottingJurgen FinterJacques Fran.cedilla.ois
    • Isabelle FrischingerJacques-Alain CottingJurgen FinterJacques Fran.cedilla.ois
    • C08G59/14C08G63/42C08G67/00C08L33/06C08L63/00C08L67/00C09D133/06C09D163/00C09D167/00C08L33/02C08L67/04C08L69/00
    • C09D167/00C08G59/1405C08L33/064C08L67/00C09D133/064C09D163/00C08L63/00
    • Curable compositions, which comprise the following components:(A) a polymer component consisting of one or more than one of the following components:polymers based on acrylate monomers and/or methacrylate monomers containing free carboxyl groups, and carboxyl-terminated polyesters;(B) a crosslinker for component (A) selected from the group consisting of:(B1) one or more than one compound having a molecular weight of less than 800 and containing at least two (2-oxo-1,3-dioxolan-4-yl)methyl groups per molecule, and(B2) a mixture consisting of one or more than one compound having a molecular weight of less than 800 and containing at least two (2-oxo-1,3-dioxolan-4-yl)methyl groups per molecule, and of one or more than one epoxy resin, at least 60 percent of the total number of (2-oxo-1,3-dioxolan-4-yl)methyl groups and epoxy groups of the mixture being (2-oxo-1,3-dioxolan-4-yl)methyl groups;(C) a catalyst for accelerating the crosslinking reaction between the components (A) and (B), and(D) a solvent for the components (A), (B) and (C);the molar ratio of free carboxyl groups to the total number of (2-oxo-1,3-dioxolan-4-yl)methyl groups and epoxy groups in the composition being from 0.3:1 to 3:1,have particularly good storage stability and are therefore suitable for use in one-component form, for example as coating agents.
    • 可固化组合物,其包含以下组分:(A)由以下组分中的一种或多种组成的聚合物组分:基于丙烯酸酯单体和/或含有游离羧基的甲基丙烯酸酯单体的聚合物和羧基封端的聚酯; (B)组分(A)的交联剂,其选自:(B1)一种或多种分子量小于800的化合物,并且含有至少两个(2-氧代-1,3-二氧戊环 - (B2)由一种或多于一种分子量小于800的化合物组成的混合物,并含有至少两个(2-氧代-1,3-二氧戊环-4-基) )甲基和一种或多于一种环氧树脂,(2-氧代-1,3-二氧戊环-4-基)甲基和环氧基的总数的至少60%为( 2-氧代-1,3-二氧戊环-4-基)甲基; (C)用于促进组分(A)和(B)之间的交联反应的催化剂,和(D)组分(A),(B)和(C)的溶剂; 游离羧基与组合物中(2-氧代-1,3-二氧戊环-4-基)甲基和环氧基总数的摩尔比为0.3:1至3:1具有特别良好的储存稳定性 因此适用于单组分形式,例如作为涂层剂。
    • 2. 发明授权
    • Composition of carboxyl-containing poly(meth)acrylate,
carboxyl-terminated polyester and epoxy resin
    • 含羧基的聚(甲基)丙烯酸酯,羧基封端的聚酯和环氧树脂的组成
    • US6136922A
    • 2000-10-24
    • US690373
    • 1996-07-26
    • Isabelle FrischingerJacques-Alain CottingJacques Fran.cedilla.ois
    • Isabelle FrischingerJacques-Alain CottingJacques Fran.cedilla.ois
    • C08L63/00C07D303/16C08G59/12C08G59/20C08G59/32C08G59/42C08L67/00C09D133/06C09D163/00C09D167/00C08K5/07C08L33/02
    • C09D133/064C07D303/16C08G59/12C08G59/32C08G59/3218C08G59/3236C08L67/00C09D163/00C09D167/00C08L63/00
    • A curable composition comprisingA) a mixture ofA1) at least one polymer based on acrylate and/or methacrylate monomers and containing on average 0.1 to 4.0 equivalents of free carboxyl groups per kilogram of polymer, andA2) at least one carboxyl-terminated polyester which contains on average0.2 to 6 equivalents of free carboxyl groups per kilogram of polyestersuch that component A1) constitutes 50 to 90% by weight, and component A2) makes up the remainder, of the mixture A;B) an epoxy resin containing 2 or more epoxy groups per molecule, selected from;glycidyl esters of cyclic carboxylic acids,glycidyl ethers of trimethylolpropane,glycidyl ethers of bis(dimethylolpropyl) ether, andreaction products of glycidyl ether derivatives of trimethylolpropane or bis(dimethylolpropyl) ether with aliphatic or cycloaliphatic polyisocyanate monomers or oligomers, or a mixture of two or more than two of these epoxy resins;C) a catalyst for speeding up the thermal reaction of epoxy and carboxyl groups, andD) an inert solvent;the molar ratio of free carboxyl groups to epoxy groups in said composition being 0.3:1 to 3:1, and said composition containing, except for component B, no components carrying epoxy groups. The composition is generally suitable as coating agent, especially as lacquer for coating automobile parts.
    • 一种可固化组合物,其包含A)至少一种基于丙烯酸酯和/或甲基丙烯酸酯单体的聚合物和平均每千克聚合物平均具有0.1至4.0当量游离羧基的混合物,和A2)至少一种羧基封端的聚酯 其含有平均0.2至6当量的每千克聚酯的游离羧基,使得组分A1)构成50至90重量%,组分A2)构成混合物A的剩余部分; B)每分子含有2个以上环氧基的环氧树脂,选自: 环状羧酸的缩水甘油酯,三羟甲基丙烷的缩水甘油醚,双(二羟甲基丙基)醚的缩水甘油醚,三羟甲基丙烷或双(二羟甲基丙基)醚的缩水甘油醚衍生物与脂肪族或脂环族多异氰酸酯单体或低聚物的反应产物,或二 或多于两种这些环氧树脂; C)用于加速环氧和羧基热反应的催化剂,和D)惰性溶剂; 所述组合物中游离羧基与环氧基的摩尔比为0.3:1至3:1,所述组合物除了组分B外,不含有环氧基的组分。 该组合物通常适合作为涂布剂,特别是用作涂覆汽车部件的漆。