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    • 160. 发明申请
    • Mannich based adducts as water based epoxy curing agents with fast cure capabilities for green concrete application
    • 曼尼希基加合物作为水性环氧固化剂,具有绿色混凝土应用的快速固化能力
    • US20040176502A1
    • 2004-09-09
    • US10378965
    • 2003-03-04
    • William R. RaymondMichael Cook
    • C08L063/00
    • C04B41/009C04B41/4853C04B41/63C08G59/184C08G59/623C08L63/00C04B41/4578C04B28/02
    • A water-soluble composition including a water soluble polyamine adduct which is a reaction product of: (a) an alkoxy group modified polyepoxide resin containing an average of at least 1.5 epoxide groups per molecule; and (b) a Mannich base polyamine. The Mannich base polyamine is a reaction product of a polyamine containing at least two amino groups with a N-Mannich condensate prepared from a reaction of a phenolic compound, an aldehyde, and a secondary amine wherein the secondary amine of the N-Mannich condensate is replaced by one of the at least two amino groups of the polyamine, and wherein the ratio of the Mannich base polyamine to the alkoxy group modified polyepoxide resin contains an excess of an active amine hydrogen relative to epoxide groups so that the water soluble polyamine adduct has an amine hydrogen equivalent weight of at most 1000 based on solids content.
    • 一种水溶性组合物,其包含水溶性多胺加合物,其为以下反应产物:(a)每分子平均含有至少1.5个环氧基团的烷氧基改性聚环氧树脂; 和(b)曼尼希碱多胺。 曼尼希碱多胺是含有至少两个氨基的多胺与由酚类化合物,醛和仲胺的反应制备的N-曼尼希缩合物的反应产物,其中N-曼尼希缩水物的仲胺是 由多胺的至少两个氨基之一代替,并且其中曼尼希碱多胺与烷氧基改性聚环氧树脂的比例相对于环氧基包含过量的活性胺氢,使得水溶性多胺加合物具有 基于固体含量的胺氢当量重量至多为1000。