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    • 8. 发明申请
    • AMINOURETHANE ACCELERATORS, EPOXY-BASED COATING MATERIALS CONTAINING THEM AND THE USE OF SUCH COATING MATERIALS
    • Aminourethane HARDER,盖装置环氧树脂及其用途
    • WO1997049749A1
    • 1997-12-31
    • PCT/EP1997003268
    • 1997-06-21
    • HERBERTS GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGCOLLONG, WilfriedLENHARD, WernerBESOLD, RobertNEUMANN, Uwe
    • HERBERTS GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
    • C08G59/40
    • C08G59/4057C08G59/184
    • Described are aminourethane accelerators suitable for aqueous epoxy-based coating materials and produced by reacting (A) aminourethanes prepared from (a) compounds with at least one cyclic carbonate group and (b) amines with at least one primary amino group, the ratio of the number of carbonate groups to amino groups being 1 : 10 to 1 : 1.1, with (B) water-dilutable epoxy compounds prepared by reacting (c) polyalkylene polyethers with a primary and/or secondary alpha -amino group and an omega -alkylether or omega -arylether group and/or polyalkylene polyethers with two primary and/or secondary alpha , omega -amino groups, in each case having a weight average molecular weight of 200 to 20,000, with epoxy compounds having at least two epoxy groups per molecule and an epoxy equivalent of 100 to 2,000, the ratio of the number of amino groups in component (c) to epoxy groups in component (d) being 1 : 2 to 1 : 20 and the epoxy equivalent of the condensation product obtained from (c) and (d) lying between 150 and 8,000.
    • Aminourethane由(A)反应固化适于基于环氧树脂水性涂料组合物,获得剂aminourethanes选自(a)的化合物具有至少一种环状碳酸酯,和(b)的胺具有至少一个伯氨基,碳酸酯基团的数目,其中所述比率获得的 到的1的氨基:10至1:1.1,与水可稀释的(B)的环氧化合物从(c)与一个伯和/或仲氨基和α--ständigen欧米加-ständigen烷基醚或芳基醚基和/聚亚烷基聚醚获得的 或聚亚烷基聚醚具有两个伯和/或仲α,ω--ständigen氨基,在每种情况下为200的重均分子量为20,000每分子具有至少两个环氧基团和100至2000的环氧当量重量(d)中的环氧化合物,其中的数之比 组分(c)的氨基基团,以元件及的环氧基团 肠道(d)中1:2〜1:20和环氧当量为(c)和(d)中的缩合产物获得的150-8000的位置。