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    POLYSACCHARIDE AND/OR POLYPEPTIDE BASED GRAFT POLYMERS AS SYNTHETIC TANNINS
    3.
    发明授权
    POLYSACCHARIDE AND/OR POLYPEPTIDE BASED GRAFT POLYMERS AS SYNTHETIC TANNINS 有权
    多糖和/或多肽基接枝聚合物作为合成人工合成酶

    公开(公告)号：EP2714756B1

    公开(公告)日：2018-05-02

    申请号：EP12723869.9

    申请日：2012-05-25

    申请人： LANXESS Deutschland GmbH

    发明人： SONG, Ma

    IPC分类号： C08F251/00 ,  C08F289/00 ,  C14C3/08 ,  C14C3/22

    CPC分类号： C14C3/22 ,  C08F251/00 ,  C08F251/02 ,  C08F289/00 ,  C08F291/12 ,  C14C3/08 ,  C08F220/06

    摘要： Process for the manufacturing of graft polymers of polysaccharides or polypeptides or its respective derivatives, obtainable by free radical induced co-polymerization of A) 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 of either B1) polysaccharides, oxidatively, hydrolytically or enzymatically degraded polysaccharides, oxidized hydrolytically degraded or oxidized enzymatically degraded polysaccharides, or such chemically modified degraded products, chemically modified mono-, oligo- or polysaccharides or mixtures of the stated compounds or B2) polypeptides, hydrolytically or enzymatically degraded and optionally chemically modified polypeptides or mixtures of the stated compounds in a weight ratio A:(B1 or B2) of from 1:99 to 18:82, wherein the components of the monomers of A) are added to B1) or B2) in an inert solvent at a temperature of 40 to 150 °C in the presence of a free radical-forming initiator, characterized in that at least 50% of the radical-forming initiator are with the component B1) or B2) before the addition of the monomers A) and the rest is added together with the monomers of A).

    VERFAHREN ZUR HERSTELLUNG VON LEDER UND DAFÜR GEEIGNETE WÄSSRIGE FORMULIERUNGEN
    4.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON LEDER UND DAFÜR GEEIGNETE WÄSSRIGE FORMULIERUNGEN 有权
    用于生产皮革和合适的水性配方

    公开(公告)号：EP2646581A1

    公开(公告)日：2013-10-09

    申请号：EP11845915.5

    申请日：2011-12-01

    申请人： BASF SE

    发明人： BOHRES, Edward ,  DANISCH, Peter

    IPC分类号： C14C3/22 ,  C08F220/18 ,  C08F220/02

    CPC分类号： C14C9/00 ,  C08F220/02 ,  C08F220/18 ,  C08G77/14 ,  C08L23/22 ,  C08L83/06 ,  C14C3/06 ,  C14C3/10 ,  C14C3/18 ,  C14C3/22 ,  C14C3/28

    摘要： A process for producing leather comprises treating part-processed hides, crust leathers or pelts with at least one aqueous float comprising (A) at least one amphiphilic organic copolymer, (B) at least one silicone compound having at least one carboxylic acid group or at least one carboxylic anhydride group per molecule, (C) at least one surface-active compound selected from emulsifiers having at least one phosphorus atom per molecule, (D) at least one surface-active compound selected from N-acylated amino acids, (E) at least one surface-active compound comprising at least one C10-C30-alkyl radical, branched or unbranched, or at least one polyisobutene moiety, and at least one ionic or aqueous-ionizable group, other than amphiphilic copolymer (A) and surface-active compound (C), and the aqueous float is free of waxes and oils.

    摘要翻译： 一种用于生产皮革过程包括处理部分处理的生皮，坯革或毛皮与至少一种水性浮子至少包含：（A）至少一种两亲性有机共聚物，（B）一种具有至少一个羧酸基团或硅氧烷化合物 每分子至少一个羧酸酐基团，（C）至少一种选自乳化剂每分子具有至少一个磷原子中选择的表面活性化合物，（D）从N-酰化的氨基酸中的至少一种表面活性化合物，（E ）至少一种表面活性化合物包含至少一种C 10 -C 30 - 烷基，支链或无支链的，或至少一种聚异丁烯部分，和至少一种离子或水 - 可电离基团，比两亲性共聚物（A）和表面等 -active化合物（C），并且wässrige浮子是游离的蜡和油的。

    POLYMERE GERBSTOFFE
    9.
    发明授权
    POLYMERE GERBSTOFFE 失效
    聚合物鞣剂。

    公开(公告)号：EP0623178B1

    公开(公告)日：1995-07-26

    申请号：EP93902186.1

    申请日：1993-01-14

    申请人： BASF Aktiengesellschaft

    发明人： DENZINGER, Walter ,  HARTMANN, Heinrich ,  WEGNER, Brigitte

    IPC分类号： C14C3/22 ,  C08F251/00

    CPC分类号： C08F251/00 ,  C14C3/22

    摘要： The use of water-soluble graft polymers of monosaccharides, oligosaccharides, polysaccharides and their derivatives obtainable by the radically initiated polymerisation: A) of a monomer or monomer mixture of: (a) 20 to 100 wt % acrylic acid or methacrylic acid or a mixture thereof, the alkaline metal, alkaline earth metal or ammonium salts thereof; (b) 0 to 80 wt % of other monoethylenically unsaturated monomers which can be copolymerised with the monomers (a); and (c) 0 to 5 wt % of at least 2 ethylenically unsaturated, unconjugated monomers with double bonds in the molecule; in the presence of (B) monosaccharides, oligosaccharides, polysaccharides, oxidatively, hydrolytically or enzymatically decomposed polysaccharides, oxidised hydrolytically or oxidised enzymatically decomposed polysaccharides, chemically modified mono, oligo or polysaccharides or mixtures of said compounds; in the ratio by weight A : B (95 to 20) : (5 to 80), as tanning agents for solely, pre and co-tanning smoothed skins and hides and for post-tanning leather and hide.

    Method for improving leather treatment
    10.
    发明公开
    Method for improving leather treatment 失效
    Verfahren zur Verbesserung der Lederbehandlung。

    公开(公告)号：EP0646651A2

    公开(公告)日：1995-04-05

    申请号：EP94306833.8

    申请日：1994-09-19

    申请人： ROHM AND HAAS COMPANY

    发明人： Hodder, James John ,  Shilansky, Byron Harvey

    IPC分类号： C14C3/22

    CPC分类号： C14C3/22

    摘要： A method of using a dispersion of a selected amphiphilic copolymer formed from a predominant amount of at least one hydrophobic monomer and a minor amount of at least one copolymerizable hydrophilic monomer in the pretanning and tanning step improves moisture release in the wringing step and improves thickness adjustment in the splitting and shaving steps of leather treatment is disclosed.

    摘要翻译： 在预处理和鞣制步骤中使用由主要量的至少一种疏水性单体和少量至少一种可共聚的亲水单体形成的选择的两亲性共聚物的分散体的方法改善了拧紧步骤中的湿气释放并改善了厚度调节 在皮革处理的分裂和剃须步骤中被公开。