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    • 79. 发明授权
    • Non woven material containing aqueous polymer dispersions
    • 含有聚合物水分散体的无纺布材料
    • US5300359A
    • 1994-04-05
    • US99544
    • 1993-07-30
    • Franz MatejcekMaximilian AngelRudolf Schuhmacher
    • Franz MatejcekMaximilian AngelRudolf Schuhmacher
    • C08F8/44C08J3/03C08K3/22D06N5/00B32B27/00D04H1/64
    • D06N5/00C08F8/44C08J3/03C08K3/22Y10T428/31815Y10T442/2631
    • Aqueous polymer dispersions obtainable by incorporating into an aqueous starting dispersion containingA) from 25 to 60% by weight, based on the starting dispersion, of a polymer A as the disperse phase, built up froma) from 3 to 55% by weight of one or more .alpha.,.beta.-monoethylenically unsaturated mono- or dicarboxylic acids containing from 3 to 5 carbon atoms, of an anhydride of these acids or of a mixture of these monomers (monomers a), andb) from 45 to 97% by weight of one or more other copolymerizable monomers (monomer b), in polymerized form and having, in disperse form, a mean particle size of from 20 to 400 nm,B) an effective amount of an emulsifier, andC) water as the remainder, at a temperature below the boiling point of pure water and above the glass transition point of the polymer A, from 5 to 60 mol-%, based on the number of moles of acid functions of the polymer A copolymerized in the form of the monomers a, of one or more of the divalent metals magnesium, calcium and zinc in the form of the oxide, hydroxide, carbonate or bicarbonate or in the form of a mixture of these basic salts, a process for their preparation, binders prepared therefrom, and bitumen-treated roof sheeting produced using these binders.
    • 通过掺入含有起始分散体的A)含水聚合物分散体,其含有基于起始分散体的25至60重量%的作为分散相的聚合物A,其由a)3至55重量% 含有3至5个碳原子的一种或多种(α),(β) - 单烯属不饱和单羧酸或二羧酸,这些酸的酸酐或这些单体(单体a)的混合物,以及b)45至 97重量%的一种或多种其它可共聚单体(单体b),聚合形式,分散形式为平均粒径为20-400nm,B)有效量的乳化剂,和C)水 作为其余部分,在低于纯水沸点和高于聚合物A的玻璃化转变温度的温度下,为5-60mol%,以聚合物A的酸官能度的摩尔数为基础 的单体a,一种或多种二价金属镁,钙 氧化物,碳酸盐或碳酸氢盐形式的锌或这些碱性盐的混合物的形式,其制备方法,由其制备的粘合剂和使用这些粘合剂制备的沥青处理的屋顶板材。