Curing agents for aqueous epoxy resins
    2.
    发明授权
    Curing agents for aqueous epoxy resins 失效
    水性环氧树脂固化剂

    公开(公告)号:US5583167A

    公开(公告)日:1996-12-10

    申请号:US85861

    申请日:1993-06-30

    CPC分类号: C08G59/184

    摘要: Provided are epoxy curing agents comprising the reaction product of reactants consisting essentially of an alkylene polyamine having less than about 12 carbon atoms, an aromatic mono-glycidyl ether having less than about 18 carbon atoms, and a diglycidyl ether of an aromatic diol having an average degree of oligomerization of less than about 3.5, wherein the ratio of primary amine equivalents of said alkylene polyamine to the total epoxide equivalents of said aromatic glycidyl ether and said diglycidyl ether of an aromatic diol is not essentially less than one, and the ratio of epoxide equivalents of said aromatic mono-glycidyl ether to epoxide equivalents of said diglycidyl ether of an aromatic diol is greater than one. The reaction product is preferably employed as a curing agent for an aqueous epoxy resin in a two component coating system wherein said curing agent, essentially free of acids, is mixed with an aqueous epoxy resin emulsion and then the resulting mixture is applied as a continuous coating to a rigid substrate, e.g. as an industrial maintenance coating.

    摘要翻译: 提供的是环氧固化剂,其包含基本上由少于约12个碳原子的亚烷基多胺,具有少于约18个碳原子的芳族单缩水甘油醚组成的反应物的反应产物和具有平均值的芳族二醇的二缩水甘油醚 低聚度小于约3.5,其中所述亚烷基多胺的伯胺当量与所述芳族缩水甘油醚和芳族二醇的所述二缩水甘油醚的总环氧当量的比例基本上不小于1,环氧化物的比例 所述芳族单缩水甘油醚与芳族二醇的所述二缩水甘油醚的环氧当量的当量大于1。 反应产物优选用作双组分涂料体系中的水性环氧树脂的固化剂,其中将基本上不含酸的固化剂与水性环氧树脂乳液混合,然后将所得混合物作为连续涂层 到刚性基底,例如 作为工业维护涂料。

    Curing agents for aqueous epoxy resins
    3.
    发明授权
    Curing agents for aqueous epoxy resins 失效
    水性环氧树脂固化剂

    公开(公告)号:US5770657A

    公开(公告)日:1998-06-23

    申请号:US675514

    申请日:1996-07-03

    IPC分类号: C08G59/18 C08G65/32 C08G59/68

    CPC分类号: C08G59/184

    摘要: Provided are epoxy curing agents comprising the reaction product of reactants consisting essentially of a mono-alkylene polyamine having less than about 12 carbon atoms, an alicyclic diamine in an amount of greater than about 10% of the amine equivalents of said amine component, an aromatic mono-glycidyl ether having less than about 18 carbon atoms, and a diglycidyl ether of an aromatic diol having an average degree of oligomerization of less than about 3.5, wherein the ratio of primary amine equivalents of said alkylene polyamine to the total epoxide equivalents of said aromatic glycidyl ether and said diglycidyl ether of an aromatic diol is are greater than one, and the ratio of epoxide equivalents of said aromatic mono-glycidyl ether to epoxide equivalents of said diglycidyl ether of an aromatic diol is greater than one. The reaction product is preferably employed as a curing agent for an aqueous epoxy resin in a two component coating system wherein said curing agent, essentially free of acids, is mixed with an aqueous epoxy resin emulsion and then the resulting mixture is applied as a continuous coating to a rigid substrate, e.g. as an industrial maintenance coating.

    摘要翻译: 提供的是环氧固化剂,其包含基本上由少于约12个碳原子的单亚烷基多胺组成的反应物的反应产物,其量大于所述胺组分的胺当量的约10%的脂环族二胺,芳族 具有小于约18个碳原子的单缩水甘油醚和平均低聚度小于约3.5的芳族二醇的二缩水甘油醚,其中所述亚烷基多胺的伯胺当量与所述亚烷基多胺的总环氧当量的比率 芳族二缩水甘油醚和芳族二醇的所述二缩水甘油醚大于1,所述芳族单缩水甘油醚的环氧当量与芳族二醇的所述二缩水甘油醚的环氧当量之比大于1。 反应产物优选用作双组分涂料体系中的水性环氧树脂的固化剂,其中将基本上不含酸的固化剂与水性环氧树脂乳液混合,然后将所得混合物作为连续涂层 到刚性基底,例如 作为工业维护涂料。

    Curing agents for epoxy resins based on 1,2-diaminocyclohexane
    4.
    发明授权
    Curing agents for epoxy resins based on 1,2-diaminocyclohexane 失效
    基于1,2-二氨基环己烷的环氧树脂固化剂

    公开(公告)号:US5508373A

    公开(公告)日:1996-04-16

    申请号:US286160

    申请日:1994-08-04

    摘要: A method of curing an epoxy resin comprising mixing an epoxy resin with a curing agent is provided. The curing agent is selected from the group consisting of (i) a mixture consisting essentially of 1,2-diaminocyclohexane and an aliphatic polyamine (preferably at a molar ratio of 1,2-diaminocyclohexane to aliphatic polyamine of from about 1:1 to about 16:1, preferably about 2.5:1 to about 6:1 and more preferably about 3:1 to about 5:1) and (ii) the reaction product of reactants consisting essentially of an amine component consisting essentially of 1,2-diaminocyclohexane and an aliphatic polyamine and an epoxide component. The epoxide component has an epoxy functionality greater than one and is preferably a diglycidyl ether of an aromatic diol having an average degree of oligomerization of less than about 3.5., preferably less than about 1.5, and preferably derived from an alkyl bis-phenol, e.g. bisphenol A. The ratio of primary amine equivalents of said amine component to the total epoxide equivalents of said epoxide component are greater than one, i.e. the molar equivalents of primary amine groups of said amine component are in excess of the molar equivalents of epoxide groups, e.g. a ratio of from about 1.5:1 to 50:1, preferably from about 3:1 to about 20:1, more preferably from about 6:1 to about 15:1.

    摘要翻译: 提供一种固化环氧树脂的方法,其包括将环氧树脂与固化剂混合。 固化剂选自(i)基本上由1,2-二氨基环己烷和脂族多胺组成的混合物(优选以1,2-二氨基环己烷与脂族多胺的摩尔比为约1:1至约 16:1,优选约2.5:1至约6:1,更优选约3:1至约5:1)​​和(ii)基本上由主要由1,2-二氨基环己烷组成的胺组分的反应物的反应产物 和脂族多胺和环氧化物组分。 环氧化物组分具有大于1的环氧官能团,并且优选具有平均低聚度小于约3.5,优选小于约1.5的芳族二醇的二缩水甘油醚,优选衍生自烷基双酚,例如。 所述胺组分的伯胺当量与所述环氧化物组分的总环氧当量的比值大于1,即所述胺组分的伯胺基摩尔当量超过环氧基团的摩尔当量, 例如 约1.5:1至50:1,优选约3:1至约20:1,更优选约6:1至约15:1的比例。