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    • 1. 发明申请
    • RE-DISPERSIBLE TACKIFYING POWDER
    • 可再分散增粘剂
    • WO1997026307A1
    • 1997-07-24
    • PCT/EP1997000172
    • 1997-01-16
    • WACKER-CHEMIE GMBHFIGGE, ReinerWEISSGERBER, Rudolf
    • WACKER-CHEMIE GMBH
    • C09J193/00
    • C09J191/06C08L33/00C08L93/00C08L2666/26C09J133/02C09J193/00
    • The subject matter of the invention concerns tackifying powder compositions that are re-dispersible in water and contain: a) one or several adhesive-making substances, b) 2 to 50 wt.%, referenced to the total dried mass of the adhesive-making substances, of one or several compounds from the group of the water-soluble, low-molecular homo or copolymers of olefinically unsaturated mono or dicarboxylic acids or their anhydrides, which as copolymers contain 2 to 50 mol.% other radically polymerizable monomers, and of the phenol sulphonic acid, melamine sulphonic acid and naphthalene sulphonic acid condensates, c) 0 to 30 wt.%, referenced to the total weight of polymer components, of anti-blocking agents, as well as d) 0 to 50 wt.%, referenced to the total weight of the composition, of further additives.
    • 在水中包含本发明再分散性的增粘剂的粉末组合物:a)一种或多种增粘物质; b)第2至50重量%,基于选自下组的水溶性,低分子量的均聚物或烯属不饱和单或二羧酸或它们的酸酐的共聚物的增粘物质的一种或多种的化合物,的总干质量,其作为共聚物也包含2至 含有50摩尔%的其它自由基聚合的单体,以及苯酚的,Melaminsulfonsäure-和萘磺酸。 c)0至30重量%,基于聚合物成分防粘连剂,的总重量; 和d)0至50重量%,基于所述组合物的其它添加剂的,总重量。