Polymers containing polyacetal blocks, their preparation and their use
    1.
    发明授权
    Polymers containing polyacetal blocks, their preparation and their use 失效
    含聚缩醛嵌段的聚合物,其制备及其用途

    公开(公告)号:US5756594A

    公开(公告)日:1998-05-26

    申请号:US934084

    申请日:1997-09-19

    摘要: Polymers which contain polyacetal blocks are obtainable by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the polymers with at least bifunctional crosslinking agents in the presence of acids or Lewis acids and, if required hydrolyzing the ester groups present as polymerized units, process for the preparation of the polymers containing polyacetal blocks by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the resulting polyacetals containing terminal hydroxyl groups with at least bifunctional crosslinking agents in the presence of acids or Lewis acids, and the use of the resulting polymers as additives in phosphate-free and reduced phosphate detergents and cleaning agents, as scale inhibitors and as dispersants for pigments.

    摘要翻译: 含有聚缩醛嵌段的聚合物可以通过在引发剂的存在下聚合含有醛基的羧酸盐并在酸或路易斯酸存在下使聚合物与至少两官能交联剂反应,并且如果需要,水解作为聚合单元存在的酯基, 在含有聚缩醛嵌段的聚合物的制备中,在引发剂的存在下聚合含有醛基的羧酸酯,并在酸或路易斯酸的存在下使含有末端羟基的所得聚缩醛与至少两官能交联剂反应, 聚合物作为添加剂,在无磷酸盐和还原性磷酸盐洗涤剂和清洁剂中作为阻垢剂和作为颜料的分散剂。

    Preparation of polycondensates of citric acid and use thereof in
detergents and cleaners
    2.
    发明授权
    Preparation of polycondensates of citric acid and use thereof in detergents and cleaners 失效
    柠檬酸缩聚物的制备及其在洗涤剂和清洁剂中的应用

    公开(公告)号:US5652330A

    公开(公告)日:1997-07-29

    申请号:US515806

    申请日:1995-08-16

    摘要: Process for preparing polycondensates of citric acid and/or isocitric acid, by converting(a) citric acid, isocitric acid or mixtures thereof in an organic solvent in the presence of a water-withdrawing agent at least partially into the anhydride form and then condensing the reaction mixture, if desired after addition of two cocondensable compounds selected from the group consisting of(b) other hydroxycarboxylic acids and/or(c) amino acids, alcohols, amines and/or at least dibasic carboxylic acids other than carboxylic acids (a) and (b), at temperatures of at least 80.degree. C. to form polycarboxylates which have an average molecular weight of at least 500, polycondensates of citric acid and/or isocitric acid obtainable thereby, anduse of said polycondensates as ingredients in phosphate-free and reduced-phosphate detergents and cleaners, and also detergents and cleaners which contain at least one surfactant and optionally builders and other customary constituents with from 0.1 to 30% by weight of an abovementioned polyestercarboxylate.

    摘要翻译: 通过在吸水剂存在下,在有机溶剂中将(a)柠檬酸,异柠檬酸或其混合物至少部分转化成酸酐形式,然后将(a)柠檬酸和/或异柠檬酸的缩聚物 (b)其它羟基羧酸和/或(c)氨基酸,醇,胺和/或除羧酸以外的至少二元羧酸(a)中的两种可共缩合化合物,如果需要, 和(b)中,在至少80℃的温度下形成平均分子量至少为500的聚羧酸酯,由此得到的柠檬酸和/或异柠檬酸的缩聚物,以及所述缩聚物作为磷酸盐 - 游离和还原磷酸盐洗涤剂和清洁剂,以及含有至少一种表面活性剂和任选的助洗剂和其它常规组分的洗涤剂和清洁剂,其含量为0.1-30% 重量的上述聚酯羧酸酯。

    Use of polyaspartic acid in detergents and cleaners
    4.
    发明授权
    Use of polyaspartic acid in detergents and cleaners 失效
    在洗涤剂和清洁剂中使用聚天冬氨酸

    公开(公告)号:US5770553A

    公开(公告)日:1998-06-23

    申请号:US646263

    申请日:1996-05-20

    摘要: The use of polyaspartic acid prepared by polycondensation of aspartic acid in the presence of phosphoric acid in a molar ratio of from 1:0.05 to 1:10 at temperatures of at least 120.degree. C. to give polysuccinimide, and subsequent hydrolysis of the polysuccinimide with bases to give at least partially neutralized polyaspartic acid, as additive to detergents and cleaners in amounts of from 0.1 to 10% by weight, and detergents and cleaners which contain polyaspartic acids prepared in the presence of phosphoric acid.

    摘要翻译: PCT No.PCT / EP94 / 04057 Sec。 371日期:1996年5月20日 102(e)日期1996年5月20日PCT 1994年12月6日PCT PCT。 WO95 / 16020PC PCT出版物 日期:1995年6月15日使用通过在磷酸存在下天冬氨酸以1:0.05至1:10的摩尔比在至少120℃的温度下缩聚制备的聚天冬氨酸,得到聚琥珀酰亚胺,随后 用碱进行聚琥珀酰亚胺的水解,得到至少部分中和的聚天冬氨酸,其量为0.1至10重量%的洗涤剂和清洁剂的添加剂,以及含有在磷酸存在下制备的聚天冬氨酸的洗涤剂和清洁剂。

    Use of modified polyaspartic acids in washing agents
    8.
    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分类号: C08G73/1092 C11D3/3719

    摘要: 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.

    摘要翻译: 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。

    Block copolyacetals, preparation thereof and use thereof in detergents
and cleaners
    9.
    发明授权
    Block copolyacetals, preparation thereof and use thereof in detergents and cleaners 失效
    封闭共聚缩醛,其制备方法及其在洗涤剂和清洁剂中的应用

    公开(公告)号:US5466762A

    公开(公告)日:1995-11-14

    申请号:US397051

    申请日:1995-03-13

    摘要: There are described block copolyacetals obtainable by cationically initiated polyaddition of(A) polyacetals containing acetaldehyde acetal units and having at least 2 OH groups in the molecule and(B) polyacetals containing acetaldehyde acetal units and having at least 2 vinyl ether groups in the molecule.in a molar ratio of (A):(B) of from 2:1 to 1:2, processes for preparing the block copolyacetals by cationically initiated polyaddition of (A) and (B), and the use of the block polyacetals as additament to reduced-phosphate and phosphate-free detergents and cleaners and as low-foam surfactants in dishwashing compositions.

    摘要翻译: 描述了通过阳离子引发的(A)含有乙醛缩醛单元的聚缩醛并且在分子中具有至少2个OH基团并且(B)含有乙醛缩醛单元的聚缩醛并且在分子中具有至少2个乙烯基醚基团的聚缩醛获得的嵌段共聚缩醛。 (A):(B)的摩尔比为2:1至1:2,通过(A)和(B)的阳离子引发加聚制备嵌段共聚缩醛的方法,以及嵌段聚缩醛作为添加剂的用途 至减少磷酸盐和无磷酸盐的洗涤剂和清洁剂以及作为洗碗组合物中的低泡表面活性剂。

    Preparation of salts of polyaspartic acid and their use in detergents
and cleaners
    10.
    发明授权
    Preparation of salts of polyaspartic acid and their use in detergents and cleaners 失效
    聚天冬氨酸盐的制备及其在洗涤剂和清洁剂中的应用

    公开(公告)号:US5886137A

    公开(公告)日:1999-03-23

    申请号:US776524

    申请日:1997-02-27

    摘要: A process for preparing salts of polyaspartic acid by treating polycondensates in aqueous medium with bases, employing at least 0.7 equivalent of an alkali metal and/or alkaline earth metal base per mole of the aspartimide, aspartic acid and/or aspartamide units present in the polycondensates, and the bases being added within from 30 min to 20 hours to an aqueous suspension of polycondensates of aspartic acid which has been heated to 40.degree.-140.degree. C., and the reaction mixture being allowed to react further where appropriate, and the use of alkali metal and/or alkaline earth metal salts of polyaspartic acids obtainable by treating polycondensates of aspartic acid in aqueous medium with more than 1 equivalent of an alkali metal and/or alkaline earth metal base, with the molecular weight of the polycondensates being reduced, as additive to detergents and cleaners.

    摘要翻译: PCT No.PCT / EP95 / 03224 Sec。 371日期1997年2月27日 102(e)日期1997年2月27日PCT提交1995年8月16日PCT公布。 出版物WO96 / 06879 日期1996年3月7日一种通过在水性介质中用碱处理缩聚物来制备聚天冬氨酸盐的方法,每摩尔天冬氨酰亚胺,天冬氨酸和/或天冬氨酰胺使用至少0.7当量碱金属和/或碱土金属碱 存在于缩聚物中的单元,并将碱在30分钟至20小时内加入已加热至40-140℃的天冬氨酸缩聚物的水性悬浮液,并使反应混合物进一步反应其中 适当地使用聚天冬氨酸的碱金属和/或碱土金属盐,其可以通过在水性介质中用多于1当量的碱金属和/或碱土金属碱处理天冬氨酸的缩聚物而获得,分子量为 减缩的缩聚物作为洗涤剂和清洁剂的添加剂。