Use of modified polyaspartic acids in washing agents
    11.
    发明授权
    Use of modified polyaspartic acids in washing agents 失效
    在洗涤剂中使用改性聚天冬氨酸

    公开(公告)号:US6001798A

    公开(公告)日:1999-12-14

    申请号:US29247

    申请日:1998-03-04

    CPC classification number: C08G73/1092 C11D3/3719

    Abstract: The use of modified polyaspartic acids which are obtainable by polycondensation of aspartic acid in the presence of, in each case based on the aspartic acid employed,(a) 2.5 to 25 mol % of amines with at least 6 carbon atoms(b) at least 2% by weight of phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids,at temperatures of at least 120.degree. C. and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of from 0.5 to 10% by weight, as additive to detergents, and detergents which contain the modified polyaspartic acids in amounts of from 0.1 to 20% by weight.

    Abstract translation: PCT No.PCT / EP96 / 03797 371日期:1998年3月4日 102(e)1998年3月4日PCT PCT 1996年8月29日PCT公布。 出版物WO97 / 09409 日期1997年3月13日使用通过天冬氨酸缩聚获得的改性聚天冬氨酸,在每种情况下,基于所使用的天冬氨酸,(a)2.5至25mol%具有至少6个碳原子的胺 (b)在至少120℃的温度下至少2重量%的磷酸,亚磷酸,次磷酸,多磷酸,五氧化二磷,膦酸或所述酸的混合物,随后用碱水解,得到改性的 磷含量为0.5〜10重量%的聚天冬氨酸,作为洗涤剂的添加剂,以及含有0.1〜20重量%的改性聚天冬氨酸的洗涤剂。

    Vinyl formate copolymers, preparation thereof, and use thereof in
detergents and cleaners
    14.
    发明授权
    Vinyl formate copolymers, preparation thereof, and use thereof in detergents and cleaners 失效
    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

    公开(公告)号:US5739241A

    公开(公告)日:1998-04-14

    申请号:US750472

    申请日:1996-12-16

    CPC classification number: C11D3/3757 C08F218/06 C08F220/04

    Abstract: 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.

    Abstract translation: 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。

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