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    • 3. 发明授权
    • Solvent-free polyrethane-polymer-hybrid-dispersion and use thereof
    • 无溶剂聚氨酯 - 聚合物 - 杂化分散体及其用途
    • US06787596B1
    • 2004-09-07
    • US10110446
    • 2002-04-11
    • Alois MaierStefan IngrischHerbert WinkelmannFranz WolfertstetterAlfred KernWerner TemmeRalph Bergs
    • Alois MaierStefan IngrischHerbert WinkelmannFranz WolfertstetterAlfred KernWerner TemmeRalph Bergs
    • C08J300
    • C09D175/04C08F283/006C08G18/0823C08G18/12C08G18/6692C08L51/08C09D151/08C08G18/3228
    • A solvent-free polyurethane-polymer hybrid dispersion having a high solids content of polymer or formulation constituents is described, which is obtainable by a) the multistage preparation of a polyurethane base dispersion and b) by the subsequent preparation of a polyurethane-polymer hybrid dispersion. This polyurethane-polymer hybrid dispersion not only is distinguished by complete freedom from solvents and high solids contents in combination with low viscosity and a technically simple preparation process but also has excellent mechanical properties and, owing to the low hydrophilicity, high water resistance. The polyurethane-polymer hybrid dispersion proposed according to the invention can be used in an outstanding manner in formulations for sport floor coverings, said dispersion being suitable in particular as a binder for resilient coats, as a spray or leveling coating on resilient or rigid substrates, as an adhesion promoter or primer, as filling compounds for sealing pores, as adhesive for the adhesive bonding of prefabricated resilient layers or for the sealing of sport floor coverings.
    • 描述了具有高固体含量的聚合物或配制成分的无溶剂的聚氨酯 - 聚合物混合分散体,其可通过以下方式获得:a)通过随后制备聚氨酯 - 聚合物混合分散体的聚氨酯基分散体的多阶段制备和b)。 聚氨酯 - 聚合物混合分散体不仅通过完全不含溶剂和高固体含量与低粘度和技术上简单的制备方法相结合,而且具有优异的机械性能,并且由于亲水性低,耐水性高。 根据本发明提出的聚氨酯 - 聚合物混合分散体可以以优异的方式用于运动地板覆盖物的配方中,所述分散体特别适用于弹性涂层的粘合剂,作为弹性或刚性基材上的喷涂或流平涂层, 作为粘合促进剂或底漆,作为用于密封孔的填充化合物,作为用于预制弹性层的粘合剂粘合剂或用于运动地板覆盖物的密封的粘合剂。