Thermoset coating compositions having improved hardness
    225.
    发明授权
    Thermoset coating compositions having improved hardness 失效
    具有改善硬度的热固性涂料组合物

    公开(公告)号:US5681906A

    公开(公告)日:1997-10-28

    申请号:US424205

    申请日:1995-04-19

    Abstract: The present invention provides for amino-crosslinkable coating formulations based on a mixture of a di- or polyhydroxy functional polymeric component selected from the group consisting of diesters, polyesters, alkyd polymers, acrylic polymers and polycarbonate polymers, a crosslinking agent such as a methylol (alkoxymethyl) amino crosslinking agent, and a reactive additive which is the ester reaction product of a phenol carboxylic acid, preferably para-hydroxybenzoic acid, and an epoxy compound selected from glycidyl ethers, glycidyl esters, linear epoxies and aromatic epoxies. The crosslinkable compositions of this invention may be used to prepare curable coating and paint formulations, and also may contain other ingredients such as a crosslinking catalyst, fillers, pigments and the like. When cured, the coatings of this invention exhibit improved physical and chemical properties when compared with cured coatings which do not contain the ester reaction product additive.

    Abstract translation: 本发明提供了基于选自二酯,聚酯,醇酸聚合物,丙烯酸聚合物和聚碳酸酯聚合物的二元或多羟基官能聚合物组分的混合物的氨基可交联涂料配方,交联剂如羟甲基( 烷氧基甲基)氨基交联剂,以及作为酚羧酸,优选对羟基苯甲酸和选自缩水甘油醚,缩水甘油酯,直链环氧化合物和芳族环氧化合物的环氧化合物的酯反应产物的反应性添加剂。 本发明的可交联组合物可用于制备可固化涂料和涂料制剂,并且还可以含有其它成分如交联催化剂,填料,颜料等。 当固化时,与不含酯反应产物添加剂的固化涂层相比,本发明的涂层表现出改善的物理和化学性质。

    Aqueous dispersions of cross-linked polymer microparticles
    229.
    发明授权
    Aqueous dispersions of cross-linked polymer microparticles 失效
    交联聚合物微粒的水分散体

    公开(公告)号:US5412023A

    公开(公告)日:1995-05-02

    申请号:US910080

    申请日:1992-07-10

    CPC classification number: C09D201/06 C09D167/00 C09D175/04

    Abstract: The invention relates to aqueous dispersions of cross-linked polymer microparticles, prepared in an aqueous medium from a polymer, optionally dissolved in an organic solvent, said polymer bearing at least two hydroxyl groups and comprising a number of ionic groups sufficient for the formation of a stable aqueous dispersion, as the component (A) and one further component (B) at an elevated temperature, characterized in that component (A) is a polyesterpolyol, a polyurethane or a polyacrylate having an acid value of from 5 to 168, and that component (B) is an aminoplast resin consisting of molecules containing at least two reactive groups consisting of hydroxyl and/or amino and/or ether groups, that the ratio by weight of component (A) to component (B) is between 30:70 and 95:5, and that the dispersion is stable and usable in water and/or an organic solvent or mixtures thereof. The invention further relates to a process for producing these dispersions, the use thereof and coating compositions containing said dispersions.

    Abstract translation: PCT No.PCT / EP90 / 02096 Sec。 371日期:1992年7月10日 102(e)日期1992年7月10日PCT 1990年12月4日PCT PCT。 出版物WO91 / 08269 日本1991年6月13日。本发明涉及交联聚合物微粒的水性分散体,其在水性介质中由聚合物制备,任选地溶解在有机溶剂中,所述聚合物带有至少两个羟基并且包含多个离子 在高温下作为组分(A)和一种另外的组分(B)形成稳定的水分散体的组合物,其特征在于组分(A)是聚酯多元醇,聚氨酯或聚丙烯酸酯,其酸值为 (B)是由包含至少两个由羟基和/或氨基和/或醚基组成的反应性基团的分子组成的氨基塑料树脂,组分(A)与组分(A)的重量比 B)在30:70和95:5之间,并且分散体是稳定的并且可用于水和/或有机溶剂或其混合物。 本发明还涉及制备这些分散体的方法,其用途和含有所述分散体的涂料组合物。

    Method of forming coating films
    230.
    发明授权
    Method of forming coating films 失效
    涂膜形成方法

    公开(公告)号:US5362521A

    公开(公告)日:1994-11-08

    申请号:US036407

    申请日:1993-03-24

    Abstract: The invention provides a method of forming a coating film by forming in sequence a pigmented base coat and a clear top coat on a substrate followed by finishing by the two-coat one-bake technique, the method being characterized by using, as a coating composition for pigmented base coat formation, a composition comprising, as essential components thereof,(1) an OH-containing resin,(2) an amino resin,(3) a polyorganosiloxane which has, on an average, at least two groups, per molecule, each selected from the class consisting of a silanol group and an alkoxysilane group and has a number average molecular weight of at least 1,000,(4) a metal chelate compound(5) a flaky metal powder and/or a mica powder, and(6) an organic solvent,and using, as a coating composition for clear top coat formation, a composition comprising, as essential components thereof,(1) an OH- and epoxy-containing base resin which further contains at least one group selected from the group consisting of a silanol group and a hydrolyzable group bound directly to a silicon atom,(2) a curing catalyst, and(3) an organic solvent.

    Abstract translation: 本发明提供了一种形成涂膜的方法,该方法通过在基材上依次形成着色底涂层和透明面漆,然后通过双涂层单烘烤技术进行精加工,该方法的特征在于使用作为涂料组合物 对于着色底涂层形成,包含作为其主要组分的组合物,(1)含OH树脂,(2)氨基树脂,(3)每分子平均具有至少两个基团的聚有机硅氧烷 各自选自由硅烷醇基和烷氧基硅烷基组成的类别,数均分子量为1,000以上,(4)金属螯合物(5)为片状金属粉末和/或云母粉末,( 6)有机溶剂,并且使用作为透明外涂层形成用涂料组合物的组合物,其包含作为其主要组分的组合物,(1)含OH-和环氧基的基础树脂,其还含有至少一种选自 由硅烷醇组成的组 (2)固化催化剂,和(3)有机溶剂。

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