Polymeric tanning agents
    43.
    发明授权
    Polymeric tanning agents 失效
    聚合鞣制剂

    公开(公告)号:US5425784A

    公开(公告)日:1995-06-20

    申请号:US256054

    申请日:1994-06-27

    IPC分类号: C08F251/00 C14C3/22

    CPC分类号: C08F251/00 C14C3/22

    摘要: Water-soluble graft polymers of monosaccharides, oligosaccharides, polysaccharides and derivatives thereof, obtainable by free radical polymerization ofA) a monomer selected from, or a monomer mixture of,(a) from 20 to 100% by weight of acrylic acid or methacrylic acid or of a mixture thereof or of the alkali metal, alkaline earth metal or ammonium salts thereof,(b) from 0 to 80% by weight of other monoethylenically unsaturated monomers which are copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers having at least 2 ethylenically unsaturated, nonconjugated double bonds in the molecule,in the presence ofB) monosaccharides, oligosaccharides, polysaccharides, oxidatively, hydrolyrically or enzymatically degraded polysaccharides, oxidized hydrolyrically degraded or oxidized enzymatically degraded polysaccharides, chemically modified mono-, oligo- or polysaccharides or a mixture of the stated compounds in a weight ratio A:B of from 95:5 to 20:80, are used as a tanning agent for the self-tanning, pretanning and simultaneous tanning of pelts and skins and for the retanning of leather and skin.

    摘要翻译: PCT No.PCT / EP93 / 00061 Sec。 371日期1994年6月27日第 102(e)日期1994年6月27日PCT 1993年1月14日PCT PCT。 公开号WO93 / 14227 日期:1993年7月22日。单糖,寡糖,多糖及其衍生物的水溶性接枝聚合物,可通过A)选自下列的单体或(a)20至100%的单体混合物 丙烯酸或甲基丙烯酸或其混合物或其碱金属,碱土金属或铵盐的重量,(b)0至80重量%的可与单体(a)共聚的其它单烯属不饱和单体, 和(c)在B)单糖,寡糖,多糖,氧化,水解或酶促降解的多糖的存在下,在分子中具有至少2个烯属不饱和的非共轭双键的0至5重量%的单体,氧化水解降解 或氧化的酶促降解的多糖,化学修饰的单糖,寡糖或多糖或所述化合物的混合物,其重量比A:B为95:5至 20:80,被用作皮革和皮肤自鞣,预处理和同时鞣制皮革和皮肤的鞣制剂。

    Liquid detergent with copolymer additive
    47.
    发明授权
    Liquid detergent with copolymer additive 失效
    液体洗涤剂与共聚添加剂

    公开(公告)号:US5009805A

    公开(公告)日:1991-04-23

    申请号:US424084

    申请日:1989-10-19

    IPC分类号: C11D3/32 C11D3/37

    CPC分类号: C11D3/3773

    摘要: Liquid detergent formulations contain as essential constituents a surfactant and 0.1-20% by weight of a copolymer which contains(a) 50-99 mol % of units of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, a half ester of a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, an ester of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a C.sub.2 -C.sub.30 -olefin, styrene, a C.sub.1 -C.sub.3 -alkylstyrene, a C.sub.1 -C.sub.28 -alkyl vinyl ether, a vinyl ester of a saturated C.sub.1 -C.sub.8 -monocarboxylic acid or a mixture thereof and(b) 50-1 mol % of units of an amide of a monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acid where the amide groups have the structure ##STR1## where R.sup.1 is C.sub.8 -C.sub.28 -alkyl or preferably ##STR2## R.sup.3 and R.sup.4 are each H, CH.sub.3 or C.sub.2 H.sub.5, R is C.sub.1 -C.sub.28 -alkyl,n is from 2 to 100 andR.sup.2 is H or R.sup.1,and has a K value of from 8 to 200, or a salt thereof.

    摘要翻译: 液体洗涤剂配方含有表面活性剂和0.1-20重量%的共聚物,其含有(a)50-99摩尔%的单烯属不饱和C3-C8-单羧酸单元,单烯属不饱和C4-C8-二羧酸 酸,单烯键式不饱和C4-C8-二羧酸的半酯,单烯属不饱和C3-C8-一元羧酸的酯,C2-C30-烯烃,苯乙烯,C1-C3-烷基苯乙烯,C1-C28- 烷基乙烯基醚,饱和C1-C8-一元羧酸的乙烯基酯或其混合物,和(b)50-1摩尔%的单烯属不饱和C 3 -C 8 - 羧酸的酰胺单元,其中酰胺基具有 其中R 1为C 8 -C 28 - 烷基或优选R 3和R 4各自为H,CH 3或C 2 H 5,R为C 1 -C 28 - 烷基,n为2至100,R 2为H或R 1,并且 的K值为8〜200,或其盐。

    Preparation of stable water-in-oil emulsions of hydrolyzed polymers of
N-vinylamides and their use
    49.
    发明授权
    Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides and their use 失效
    N-乙烯基酰胺水解聚合物的稳定的油包水乳液的制备及其用途

    公开(公告)号:US5008321A

    公开(公告)日:1991-04-16

    申请号:US438034

    申请日:1989-11-20

    摘要: Stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides of the formula ##STR1## where R and R.sup.1 are each H or C.sub.1 -C.sub.6 -alkyl are prepared by polymerization of a compound of the formula I alone or as a mixture with other monoethylenically unsaturated monomers, in the form of a water-in-oil emulsion, to give a water-in-oil polymer emulsion, and subsequent hydrolysis of the polymer, by a process in which hydrolysis of the polymer in the form of the water-in-oil polymer emulsion is carried out in the presence of an acid or base and of from 1 to 30% by weight, based on the polymer, of an emulsifier which is obtainable by(A) reacting a C.sub.10 -C.sub.22 -fatty alcohol with epichlorohydrin in a molar ratio of from 1:0.5 to 1:1.5 to give a glycidyl ether,(B) reacting the glycidyl ether with (1) a saturated C.sub.2 -C.sub.6 -alcohol containing from 2 to 6 OH groups or (2) its monoether with a C.sub.10 -C.sub.22 -fatty alcohol, in a molar ratio of glycidyl ether to (1) or (2) of from 1:0.5 to 1:6, in the presence of an acid or base, and(C) alkoxylating the reaction product from (B) with one or more C.sub.2 -C.sub.4 -alkylene oxides in a molar ratio of from 1:1 to 1:6.The polymer emulsions obtainable in this manner are used as drainage aids, retention aids and flocculants in the making of paper and paper products.

    摘要翻译: 式(I)的N-乙烯基酰胺的水解聚合物的稳定的油包水乳液,其中R和R 1各自为H或C 1 -C 6 - 烷基,其通过将式I化合物单独或作为 与油包水乳液形式的其它单烯键式不饱和单体的混合物,通过以下形式的水解方法得到油包水聚合物乳液,并随后水解聚合物 的油包水聚合物乳液在酸或碱的存在下进行,并且以聚合物为基础计,为1至30重量%的乳化剂,其可通过(A)使C10-C22 - 醇与摩尔比为1:0.5至1:1.5的醇,得到缩水甘油醚,(B)使缩水甘油醚与(1)含有2-6个OH基团的饱和C 2 -C 6醇反应,或 (2)其单醚与C 10 -C 22脂肪醇,其缩水甘油醚与(1)或(2)的摩尔比为1:0.5至1:6,在存在o (C)将(B)的反应产物与一种或多种摩尔比为1:1至1:6的C 2 -C 4 - 氧化烯烷氧基化。 以这种方式获得的聚合物乳液可用作造纸和纸制品中的助滤剂,助留剂和絮凝剂。