Polyoxyalkylene polyamide-glycidyl ether adduct epoxy resin curing agent
    22.
    发明授权
    Polyoxyalkylene polyamide-glycidyl ether adduct epoxy resin curing agent 有权
    聚氧化烯聚酰胺 - 缩水甘油醚加合物环氧树脂固化剂

    公开(公告)号:US08178598B2

    公开(公告)日:2012-05-15

    申请号:US11811800

    申请日:2007-06-12

    摘要: A curing agent for epoxy resin, and a coating composition using the curing agent curing agent that delivers excellent recoatability and overcoatability after a long time exposure. (A) An epoxy curing agent that is derived by adduction between amide-type reactants from polyamine compounds comprising from 25-75 mol % of a polyoxyalkylene-polyamine and carboxylic acids or a mixture thereof and glycidyl ether compound; (B) An epoxy curing agent of the mixture of (B1) amide-type reactants prepared through polyoxyalkylene-polyamine and carboxylic acids or a mixture thereof, and (B2) a reactant is derived by adduction between other aliphatic polyamines or a mixture thereof and glycidyl ether compound. Coating composition comprising the epoxy curing agent of the above described A or B.

    摘要翻译: 环氧树脂用固化剂和使用固化剂固化剂的涂料组合物,其在长时间曝光后具有优异的可再涂性和外涂性。 (A)一种环氧固化剂,其通过将聚氧化烯化合物与羧酸或其混合物与缩水甘油醚化合物组成的多胺化合物的酰胺型反应物进行引入而得到; (B)通过聚氧化烯 - 多胺和羧酸或其混合物制备的(B1)酰胺型反应物与(B2)反应物的混合物的环氧固化剂是通过其它脂肪族多胺或其混合物与 缩水甘油醚化合物。 包含上述A或B的环氧固化剂的涂料组合物。

    Polyamide curing agents based on mixtures of polyethyleneamines and
piperazine derivatives
    26.
    发明授权
    Polyamide curing agents based on mixtures of polyethyleneamines and piperazine derivatives 失效
    聚酰胺固化剂基于聚乙烯胺和哌嗪衍生物的混合物

    公开(公告)号:US6008313A

    公开(公告)日:1999-12-28

    申请号:US974284

    申请日:1997-11-19

    摘要: Compositions of amine terminated polyamide resins useful for curing epoxy resins are disclosed comprising combinations of fatty mono-acids, dimer acids, polyethyleneamines, and piperazine ring containing polyamines having an N--H functionality of 2 or 3 per mole selected from the group consisting of piperazine, or N-aminoalkylpiperazine, where the alkyl chain is a C2 to C6 alkyl chain, wherein the ratio of equivalents of fatty mono-acid to dimer acid can range from about 0.001:1 to about 1:1, the ratio of moles of piperazine ring containing polyamine to polyethylene amine can range from about 0.1:1 to about 1:1, and the ratio of moles of polyamine to equivalents of acid can range from about 0.6:1 to about 1.2:1. Coating compositions comprising these polyamide resins are also disclosed.

    摘要翻译: 公开了可用于固化环氧树脂的胺封端的聚酰胺树脂的组合物,其包含脂族单酸,二聚酸,聚乙烯胺和含哌嗪环的组合,所述多胺具有NH 2官能度为2或3,每摩尔选自哌嗪或 N-氨基烷基哌嗪,其中烷基链是C2-C6烷基链,其中脂肪酸单体酸与二聚酸的当量比可以在约0.001:1至约1:1的范围内,含有哌嗪环的摩尔数 聚胺与聚乙烯胺的比可以在约0.1:1至约1:1的范围内,并且多胺的摩尔数与酸的当量之比可以在约0.6:1至约1.2:1的范围内。 还公开了包含这些聚酰胺树脂的涂料组合物。

    Hardeners for water-dilutable epoxy resin systems with a potlife
indication
    27.
    发明授权
    Hardeners for water-dilutable epoxy resin systems with a potlife indication 失效
    用于水可稀释环氧树脂体系的硬化剂,具有适用期

    公开(公告)号:US5959061A

    公开(公告)日:1999-09-28

    申请号:US900519

    申请日:1997-07-25

    摘要: Water-dispersible curing agents for epoxy resins are disclosed which, as a mixture with epoxy resins, have a potlife indication by showing the end of the processing time by a clear increase in viscosity, and which comprise reaction products (ABC) of adducts of aliphatic polyols (A) with a weight-average molar mass of from 200 to 20, 000 g/mol, comprising at least one polyol (A1) having a molar mass of less than 4000 g/mol, and at least one polyol (A2) having a molar mass of more than 4000 g/mol, and at least one epoxide compound (B) having at least two epoxide groups per molecule, and a specific epoxide group content of from 500 to 10 000 mmol/kg, (A1) and (A2) being reacted separately or as a mixture with (B), and then reacting this adduct with one or more polyamines (C) having at least three amine hydrogen atoms and at least one primary amino group per molecule, the ratio of the number of hydroxyl groups of component (A) to the number of epoxide groups of component (B) being 1:3 to 1:10, and the ratio of the number of remaining epoxide groups in the epoxide-polyol adduct to the number of amine hydrogen atoms in polyamines (C) being 1:1.5 to 1:100. The water-dispersible curing agents are useful as curing agents for epoxy resins in two component coating compositions.

    摘要翻译: 公开了用于环氧树脂的水分散性固化剂,其作为与环氧树脂的混合物具有通过显示粘度明显增加显示加工时间结束的固化指示,并且其包含脂肪族的加成物的反应产物(ABC) 包含至少一种摩尔质量小于4000g / mol的多元醇(A1)和至少一种多元醇(A2)的多元醇(A),其重均摩尔质量为200至20,000g / mol, 摩尔质量大于4000g / mol,和至少一种每分子具有至少两个环氧基团的环氧化合物(B),特定的环氧基团含量为500至1000000mmol / kg,(A1)和 (A2)分别反应或与(B)的混合物反应,然后使该加合物与每分子具有至少三个胺氢原子和至少一个伯氨基的一种或多种多胺(C)反应,数量比 的组分(A)的羟基与组分(B)的环氧基数为1:3至1 10,环氧多元醇加成物中剩余的环氧基数与多胺(C)中胺氢原子数的比例为1:1.5〜1:100。 水分散性固化剂可用作双组分涂料组合物中环氧树脂的固化剂。

    Curable compositions which release imidazole upon irradiation
    30.
    发明授权
    Curable compositions which release imidazole upon irradiation 失效
    照射时释放咪唑的可固化组合物

    公开(公告)号:US5623023A

    公开(公告)日:1997-04-22

    申请号:US650981

    申请日:1996-05-21

    CPC分类号: C08G59/5073 C08G59/686

    摘要: Disclosed is a curable composition comprising (A) an imidazole derivative represented by the following general formula (1), which is capable of generating free imidazole by exposure to light, and (B) a polyfunctional epoxy compound: ##STR1## wherein R represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a nitro group, a cyano group, an alkoxyl group, a phenoxy group, or an aromatic ring residue capable of forming a condensed ring in combination with a benzene ring. The composition may further incorporate therein at least one compound selected from the group consisting of polyfunctional phenol compounds, polyfunctional carboxylic acids, acid anhydrides, and amine compounds.

    摘要翻译: 公开了一种可固化组合物,其包含(A)能够通过曝光产生游离咪唑的下列通式(1)表示的咪唑衍生物,和(B)多官能环氧化合物:其中 R表示氢原子,卤素原子,烷基,芳基,芳烷基,硝基,氰基,烷氧基,苯氧基或能够形成稠环的芳香环残基 与苯环组合。 该组合物还可以含有至少一种选自多官能酚化合物,多官能羧酸,酸酐和胺化合物的化合物。