Preparation of copolymers of monoethylenically unsaturated
monocarboxylic acids and dicarboxylic acids
    5.
    发明授权
    Preparation of copolymers of monoethylenically unsaturated monocarboxylic acids and dicarboxylic acids 失效
    单烯属不饱和一元羧酸和二羧酸的共聚物的制备

    公开(公告)号:US5175361A

    公开(公告)日:1992-12-29

    申请号:US625621

    申请日:1990-11-30

    IPC分类号: C08F220/04 C08F222/02

    CPC分类号: C08F222/02 C08F220/04

    摘要: A process for the preparation of copolymers which contain monoethylenically unsaturated monocarboxylic acids and dicarboxylic acids as copolymerized monomer units, which comprises copolymerizinga) 10 to 60% by weight, based on the sum of the monomers, of a monoethylenically unsaturated dicarboxylic acid of 4 to 6 carbon atoms, -or an alkali metal salt thereof or, an anhydride thereof,b) 90 to 40% by weight of a monoethylenically unsaturated monocarboxylic acid of 3 to 10 carbon atoms or an alkali metal salt thereof andc) 0 to 20% by weight of another monoethylenically unsaturated monomer, not having carboxyl groups and which is copolymerizable with a) and b);in an aqueous medium in the presence of from 0.5 to 5% by weight, based on monomers, of a water-soluble initiator.

    摘要翻译: 一种制备包含单烯属不饱和一元羧酸和二羧酸作为共聚单体单元的共聚物的方法,其包括将基于单体总量的10-60重量%的单烯属不饱和二羧酸与4- 6个碳原子,或其碱金属盐或其酸酐,b)90〜40重量%的3〜10个碳原子的单烯属不饱和一元羧酸或其碱金属盐,c)0〜20重量% 重量的不具有羧基且可与a)和b)共聚的另一单烯属不饱和单体; 在水介质中,以0.5至5重量%的单体为基础,存在水溶性引发剂。

    Use of partially esterified copolymers in liquid detergents
    6.
    发明授权
    Use of partially esterified copolymers in liquid detergents 失效
    在液体洗涤剂中使用部分酯化的共聚物

    公开(公告)号:US5008032A

    公开(公告)日:1991-04-16

    申请号:US417474

    申请日:1989-10-05

    IPC分类号: C08L67/00 C11D3/37

    CPC分类号: C11D3/3765

    摘要: Liquid, alkaline detergent formulations which contain as essential constituents a surfactant, water and 0.1-20% by weight of partially esterified copolymers are obtainable by the copolymerization of(a) one or more C.sub.4 -C.sub.28 -olefins and(b) ethylenically unsaturated dicarboxylic anhydrides of from 4 to 8 carbon atomsin a molar ratio of 1:1 and subsequent partial esterification of the copolymers of the reaction products(A) C.sub.1 -C.sub.30 -alcohols, C.sub.8 -C.sub.22 fatty acids, C.sub.1 -C.sub.12 -alkylphenols or secondary C.sub.2 -C.sub.30 -amines with(B) one or more C.sub.2 -C.sub.4 -alkylene oxides or tetrahydrofuranin a molar ratio of (A):(B) of from 1:2 to 1:50 and hydrolysis of the anhydride groups of the copolymer to carboxyl groups, the partial esterification of the copolymers being carried on until more than 5 to 50% of the carboxyl groups of the copolymers have been esterified.

    摘要翻译: 通过(a)一种或多种C 4 -C 28 - 烯烃和(b)烯属不饱和二羧酸酐共聚获得含有作为表面活性剂,水和0.1-20重量%部分酯化共聚物的基本组分的液体,碱性洗涤剂制剂 4至8个碳原子,摩尔比为1:1,随后反应产物(A)C 1 -C 30醇,C 8 -C 22脂肪酸,C 1 -C 12烷基酚或仲C2-C30的共聚物的部分酯化 - 胺与(B)一种或多种C 2 -C 4 - 烯化氧或四氢呋喃的摩尔比为(A):(B)为1:2至1:50,并将共聚物的酸酐基水解成羧基 ,承载共聚物的部分酯化直到共聚物的羧基的5至50%已被酯化。

    Preparation of copolymers of monoethylenically unsaturated mono- and
dicarboxylic acids and anhydrides

    公开(公告)号:US4725655A

    公开(公告)日:1988-02-16

    申请号:US919583

    申请日:1986-10-16

    CPC分类号: C08F220/04 C08F222/02

    摘要: Copolymers which contain, as copolymerized monomer units, monoethylenically unsaturated mono- and dicarboxylic acids are prepared by a process in which(a) from 10 to 60% by weight of a monoethylenically unsaturated dicarboxylic acid of 4 to 6 carbon atoms, its salt and/or, if appropriate, its anhydride,(b) from 90 to 40% by weight of a monothylenically unsaturated monocarboxylic acid of 3 to 10 carbon atoms and/or its salt and(c) from 0 to 20% by weight of another, carboxyl-free monoethylenically unsaturated monomer which is copolymerizable with (a) and (b),the percentages being based on the sum of the monomers, are polymerized in the presence of from 0.5 to 5% by weight of a water-soluble free-radical-forming initiator in an aqueous medium at from 60.degree. to 150.degree. C., and, if appropriate, their anhydride groups are hydrolyzed, the monomers (a) and (b) being employed in a form such that from 20 to 80% of their amount is neutralized during the polymerization reaction, wherein the copolymerization is carried out continuously in a reactor cascade comprising several reactors, and an aqueous solution of a pre-prepared copolymer of (a), (b) and, if appropriate, (c) is initially introduced into all the reactors and heated to the required reaction temperature, the total amount of unneutralized or partially neutralized (a), not less than 40% by weight of unneutralized or partially neutralized (b), where relevant, all or some of (c), and some or all of the amount of initiator required for polymerization, with or without the amount of neutralizing agent required for the neutralization according to the definition, are metered into the first reactor, the remaining amount of unneutralized or neutralized (b) and, where relevant, (c), and any remaining amount of initiator and neutralizing agent which may be required are introduced into the second reactor or are distributed over the second reactor and the downstream reactors, and the reactants are allowed to react together during a residence time of from 0.5 to 8 hours. The above copolymers can be used as incrustation inhibitors or for scaling inhibition.

    Graft copolymers of monosaccharides, oligosaccharides, polysaccharides
and modified polysaccharides, the preparation thereof, and their use
    8.
    发明授权
    Graft copolymers of monosaccharides, oligosaccharides, polysaccharides and modified polysaccharides, the preparation thereof, and their use 失效
    单糖,低聚糖,多糖和改性多糖的共聚物,其制备及其使用

    公开(公告)号:US5227446A

    公开(公告)日:1993-07-13

    申请号:US649063

    申请日:1991-02-01

    IPC分类号: C08F251/00 C11D3/22 C11D3/37

    摘要: Graft copolymers obtainable by free radical-initiated copolymerization of(A) a monomer mixture comprising(a) a monoethylenically unsaturated C.sub.4 - to C.sub.8 -dicarboxylic acid, or an anhydride, alkali metal salt or ammonium salt thereof,(b) a monoethylenically unsaturated C.sub.3 - to C.sub.10 -carboxylic acid, or an alkali metal salt or ammonium salt thereof,(c) if desired another monoethylenically unsaturated monomer which can be copolymerized with monomer (a) and (b), and(d) a monomer containing two or more ethylenically unsaturated, non-conjugated double bonds in the molecule, in the presence of(B) a monosaccharide, oligosaccharide, polysaccharide, oxidatively, hydrolytically or enzymatically degraded polysaccharide, oxidized, hydrolytically or enzymatically degraded polysaccharide, or chemically modified monosaccharide, oligosaccharide or polysaccharide,in the weight ratio (A):(B) of (95 to 20):(5 to 80), a process for the preparation of the graft copolymers, and detergents and cleaners containing the graft copolymers in amounts of from 0.1 to 20% by weight, are described.

    摘要翻译: 通过(A)单体混合物的自由基引发共聚获得的接枝共聚物,其包含(a)单烯键式不饱和C4-C8-二羧酸或其酸酐,碱金属盐或铵盐,(b)单烯属不饱和C3 (c)如果需要,可以与单体(a)和(b)共聚的另一单烯属不饱和单体,和(d)含有两个或更多个单体的单体 在(B)单糖,寡糖,多糖,氧化,水解或酶促降解的多糖,氧化,水解或酶促降解的多糖或化学修饰的单糖,寡糖或多糖的存在下,分子中的烯键式不饱和,非共轭双键 (95〜20):(5-80)的重量比(A):( B):制备接枝共聚物的方法,以及洗涤剂和清洁剂 描述了接枝共聚物的量为0.1-20重量%。