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    • 5. 发明申请
    • POWDER AND WATER-BASED ADHESIVE COMPOSITION
    • 粉末和水基胶粘剂组合物
    • WO2008031537A1
    • 2008-03-20
    • PCT/EP2007/007829
    • 2007-09-07
    • NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATIONKEHRER, UlfKOELLIKER, RobertPATEL, NaliniLIEBRAND, Roland, T., W., G.MAGNIN, ChristopheBURDETT, Susan, MoiraHEINI, Urs
    • KEHRER, UlfKOELLIKER, RobertPATEL, NaliniLIEBRAND, Roland, T., W., G.MAGNIN, ChristopheBURDETT, Susan, MoiraHEINI, Urs
    • C09J201/00
    • C09J201/00C08L2666/20
    • The invention relates to an adhesive composition which is in one embodiment a free flowing, water-redispersible powder adhesive, comprising about 30 to 99.9 wt.-% of at least one water-insoluble, film-forming polymer and/ or at least one water-soluble polymer in powder form, about 0.1 to 35 wt-% of at least one polyalkylene polyamine with a molecular weight of between about 300 and 10'000'000 and up to about 35 wt- % of at least one water-soluble salt. In another embodiment, the adhesive composition is a water-based adhesive composition, comprising, based on the solids content of the adhesive about 30 to 99.4 wt.-%, of at least one aqueous dispersion of a water- insoluble, film-forming polymer and at least one water-soluble polymer, wherein the weight ratio of the water-insoluble to the water-soluble polymer is from about 0.001 : 1 to 100 : 1, about 0.1 to 35 wt.-%, of at least one polyalkylene polyamine with a molecular weight of between about 300 and 10'000'000, and about 0.5 to 35 wt.-% of at least one water-soluble salt, whereas the solids content of the water-based adhesive composition is between about 5 and 70 wt.-%. The processes to manufacture the same and the uses are described as well. The inventive adhesive composition is cost effective and provides excellent adhesion, in particular to difficult to bond substrates.
    • 本发明涉及粘合剂组合物,其在一个实施方案中为自由流动的水可再分散的粉末粘合剂,其包含约30至99.9重量%的至少一种不溶于水的成膜聚合物和/或至少一种水 粉末形式的可溶性聚合物,约0.1至35重量%的至少一种聚亚烷基多胺,其分子量为至少一种水溶性盐的分子量为约300至10,000至约35重量% 。 在另一个实施方案中,粘合剂组合物是水基粘合剂组合物,基于约30至99.4重量%的粘合剂的固体含量,包含至少一种不溶于水的成膜聚合物的水分散体 和至少一种水溶性聚合物,其中水不溶性与水溶性聚合物的重量比为约0.001:1至100:1,约0.1-35重量%的至少一种聚亚烷基多胺 分子量为约300至10,000,000,和约0.5至35重量%的至少一种水溶性盐,而水基粘合剂组合物的固体含量为约5至70 重量%。 还描述了制造它们的过程和用途。 本发明的粘合剂组合物是成本有效的并且提供优异的粘合性,特别是难以粘结基材。