会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Vinyl formate copolymers, preparation thereof, and use thereof in
detergents and cleaners
    • 甲酸乙烯酯共聚物,其制备方法及其在洗涤剂和清洁剂中的应用
    • US5739241A
    • 1998-04-14
    • US750472
    • 1996-12-16
    • Dieter BoeckhAxel KistenmacherWalter DenzingerThomas RuhlAngelika FunhoffRichard BaurAlexander KudVolker Schwendemann
    • Dieter BoeckhAxel KistenmacherWalter DenzingerThomas RuhlAngelika FunhoffRichard BaurAlexander KudVolker Schwendemann
    • C08F218/06C08F220/04C08F222/02C11D3/37C08F22/02C08F20/10
    • C11D3/3757C08F218/06C08F220/04
    • Copolymers containing (a) from 5 to 90 mol % of vinyl formate units, (b) from 10 to 95 mol % of units of monoethylenically unsaturated carboxylic acids, (c) from 0 to 70 mol % of units of monoethylenically unsaturated dicarboxylic acids, and (d) from 0 to 30 mol % of units of other monoethylenically unsaturated monomers in copolymerized form and having K values of at least 8 (determined by the method of H. Fikentscher in 1% strength by weight aqueous solution on the sodium salt of the copolymers at pH 7 and 25.degree. C.), processes for their preparation by copolymerizing monomer mixtures of (a) from 5 to 90 mol % of vinyl formate, (b) from 10 to 95 mol % of monoethylenically unsaturated carboxylic acids, (c) from 0 to 70 mol % of monoethylenically unsaturated dicarboxylic acids, and (d) from 0 to 30 mol % of other monoethylenically unsaturated monomers in an aqueous medium or in an organic solvent in the presence of free-radical polymerization initiators and use of the vinyl formate copolymers and of the vinyl alcohol copolymers obtainable therefrom by hydrolysis and/or oxidation as detergent and cleaner additives.
    • PCT No.PCT / EP95 / 02053 Sec。 371日期1996年12月16日第 102(e)日期1996年12月16日PCT提交1995年5月31日PCT公布。 公开号WO95 / 34587 日期:1995年12月21日含有(a)5〜90摩尔%甲酸乙烯酯单元的聚合物,(b)10〜95摩尔%的单烯属不饱和羧酸单元,(c)0〜70摩尔% 单烯属不饱和二羧酸,和(d)0至30摩尔%的共聚形式的其它单烯属不饱和单体的单元,并且K值至少为8(通过H.Fikentscher在1%重量比浓度的水溶液中测定) 在共聚物的钠盐上,在pH7和25℃下),其制备方法是通过使(a)5-90mol%的甲酸乙烯酯,(b)10至95mol%的单烯属的单体混合物 不饱和羧酸,(c)0-70摩尔%的单烯属不饱和二羧酸,和(d)0-30摩尔%的其它单烯属不饱和单体在水性介质或有机溶剂中,在自由基存在下 聚合引发剂和使用v 甲酸丁酯共聚物和通过水解和/或氧化作为洗涤剂和清洁剂添加剂得到的乙烯醇共聚物。