Preparation of low molecular mass homopolymers of N-vinylpyrrolidone
    1.
    发明授权
    Preparation of low molecular mass homopolymers of N-vinylpyrrolidone 失效
    低分子量N-乙烯基吡咯烷酮均聚物的制备

    公开(公告)号:US06187884B1

    公开(公告)日:2001-02-13

    申请号:US09104174

    申请日:1998-06-25

    IPC分类号: C08F238

    CPC分类号: C08F126/10

    摘要: A process for preparing highly concentrated aqueous solutions of low molecular mass homopolymers of N-vinylpyrrolidone by free-radical solution polymerization in an aqueous medium with H2O2 as initiator comprises carrying out the polymerization in the presence of from 0.1 to 30% by weight, based on N-vinylpyrrolidone, of a polymerization regulator which is selected from the group consisting of C1-C6-alkanols, hydroxylamine salts and water-soluble compounds containing sulfur in bonded form.

    摘要翻译: 通过在具有H 2 O 2作为引发剂的水性介质中通过自由基溶液聚合制备N-乙烯基吡咯烷酮的低分子质量均聚物的高浓度水溶液的方法包括在0.1-30重量%的存在下进行聚合,基于 聚合调节剂的N-乙烯基吡咯烷酮,其选自C1-C6-链烷醇,羟胺盐和含有键合形式的硫的水溶性化合物。

    Soluble copolymers for hair cosmetics
    3.
    发明授权
    Soluble copolymers for hair cosmetics 失效
    头发化妆品的可溶性共聚物

    公开(公告)号:US5635169A

    公开(公告)日:1997-06-03

    申请号:US548726

    申请日:1995-10-26

    摘要: Copolymers which have K values of from 30 to 50 are obtainable by free radical solution polymerization ofA) from 15 to 84.99% by weight of at least one monomer selected from the group consisting of N-vinylpyrrolidone, N-vinylcaprolactam and N-vinylimidazole,B) from 15 to 84.99% by weight of further monoolefinically unsaturated monomers capable of free radical copolymerization andC) from 0.01 to 2% by weight of at least one monomer capable of free radical copolymerization and having at least two non-conjugated olefinic double bondsin alcoholic solution.

    摘要翻译: 具有30至50的K值的共聚物可以通过A)的自由基溶液聚合获得15至84.99重量%的至少一种选自N-乙烯基吡咯烷酮,N-乙烯基己内酰胺和N-乙烯基咪唑的单体, B)15至84.99重量%的能够进行自由基共聚的另外的单烯属不饱和单体,和C)0.01至2重量%的至少一种能够自由基共聚并具有至少两个非共轭烯属双键的单体 在酒精溶液中。

    Hairsetting compositions
    6.
    发明授权
    Hairsetting compositions 失效
    发胶组合物

    公开(公告)号:US06482393B1

    公开(公告)日:2002-11-19

    申请号:US08537908

    申请日:1995-10-26

    IPC分类号: A61K711

    CPC分类号: A61Q5/06 A61K8/8147

    摘要: Hairsetting compositions comprise as film-formers copolymers based on tert-butyl acrylate or tert-butyl methacrylate having a K value of from 10 to 50 which are obtainable by free-radical polymerization of A) from 30 to 72% by weight of tert-butyl acrylate or tert-butyl methacrylate or a mixture thereof as monomer A, B) from 10 to 28% by weight of acrylic acid or methacrylic acid or a mixture thereof as monomer B, and C) from 0 to 60% by weight of a free-radically copolymerizable monomer or of a free-radically copolymerizable monomer mixture as monomers C, where at least one of the monomers C produces a homopolymer having a glass transition temperature of less than 30° C., the carboxyl groups of the copolymers being partially or completely neutralized.

    摘要翻译: 毛发组合物包含作为成膜剂的基于丙烯酸叔丁酯或甲基丙烯酸叔丁酯的共聚物,其K值为10至50,可通过A)的自由基聚合获得30至72重量%的丙烯酸叔丁酯 或甲基丙烯酸叔丁酯或其混合物作为单体A,B)10-28重量%的丙烯酸或甲基丙烯酸或其作为单体B的混合物,和C)0至60重量%的自由基 可共聚单体或可自由基共聚的单体混合物作为单体C,其中至少一种单体C产生玻璃化转变温度低于30℃的均聚物,共聚物的羧基被部分或完全中和 。

    Aqueous copolymer dispersions of water-soluble monomers with N-vinyl
groups and hydrophobic monomers
    8.
    发明授权
    Aqueous copolymer dispersions of water-soluble monomers with N-vinyl groups and hydrophobic monomers 失效
    水溶性单体与N-乙烯基和疏水性单体的水共聚物分散体

    公开(公告)号:US6107397A

    公开(公告)日:2000-08-22

    申请号:US42744

    申请日:1998-03-17

    CPC分类号: A61K9/5026 C08F226/00

    摘要: An aqueous copolymer dispersion is prepared by free-radical emulsion co-polymerization of a monomer mixture ofi) from 10 to 70% by weight of at least one nonionic monomer A having a water-solubility of more than 60 g/l at 25.degree. C., and being selected from the group consisting of N-vinyllactams having from 6 to 8 carbon atoms, N-vinylformamide and N-methyl-N-vinylacetamide,ii) from 30 to 90% by weight of at least one monoethylenically unsaturated hydrophobic monomer B having a water-solubility of less than 60 g/l at 25.degree. C.,and optionally further comprisingiii) up to 5% by weight of at least one monoethylenically unsaturated monomer C which has at least one ionic and/or ionizable functional group,iv) up to 10% by weight of at least one monomer D which has at least 2 ethylenically unsaturated bonds,v) up to 20% by weight of at least one further monoethylenically unsaturated monomer E, which is different from the monomers A and C, and has a water-solubility of >60 g/l at 25.degree. C.,in the presence of a water-soluble polymerization initiator in water or an aqueous solvent.

    摘要翻译: 通过自由基乳液共聚制备水性共聚物分散体,该单体混合物为i)10至70重量%的至少一种在25℃下具有大于60g / l的水溶性的非离子单体A 并且选自具有6至8个碳原子的N-乙烯基内酰胺,N-乙烯基甲酰胺和N-甲基-N-乙烯基乙酰胺,ii)30至90重量%的至少一种单烯属不饱和疏水性 单体B在25℃具有小于60g / l的水溶性,并且任选地还包含iii)至多5重量%的至少一种具有至少一个离子和/或可离子化的单烯属不饱和单体C 官能团,iv)至多10重量%的至少一种具有至少2个烯键式不饱和键的单体D,v)至多20重量%的至少一种另外的单烯属不饱和单体E,其不同于单体 A和C,并且在25℃下的水溶解度> 60g / l 在水或水溶剂中存在水溶性聚合引发剂的情况下。