Stabilizing agent for peroxide-bleaching procedure and methods of bleaching a fiber material by using same
    7.
    发明公开
    Stabilizing agent for peroxide-bleaching procedure and methods of bleaching a fiber material by using same 失效
    对于过氧化物漂白和使用漂白的纤维材料的方法相同的稳定剂的

    公开(公告)号:EP0814193A3

    公开(公告)日:2000-01-12

    申请号:EP97110041.7

    申请日:1997-06-19

    摘要: A stabilizing agent for peroxide-bleaching procedure includes (A) a component including a homopolymer or copolymer of α-hydroxyacrylic acid or water soluble salt or polylactone of the homo- or co-polymer, (B) a component including a homopolymer or copolymer of acrylic acid, methacrylic acid and/or maleic acid and water-soluble salt of the homo- or co-polymer, (C) a component including DTPA, TTHA or water-soluble salt thereof and optionally (D) a component including a water-soluble inorganic Mg salt and is used to pretreat a fiber material with a pretreating liquid containing the stabilizing agent before bleaching with peroxide, or to bleach the fiber material by a bleaching liquid containing a peroxide bleaching agent and the stabilizing agent.

    摘要翻译: 过氧化物漂白过程的稳定剂包括(A)的成分包括的均聚物或阿尔法羟基丙烯酸或水溶性盐或均聚物或共聚物的聚内酯共聚物,(B)的成分包括的均聚物或共聚物 丙烯酸,甲基丙烯酸和/或马来酸和均聚或共聚合物,(C)的成分包括DTPA,TTHA或其水溶性盐和任选的(D)的成分包括水的水溶性盐 水溶性无机盐和Mg被用于预处理的纤维材料具有由液体漂白含过氧化物漂白剂和稳定剂与过氧化,或漂白剂至纤维材料漂白之前含有稳定剂的前处理液。

    Method for preparing poly-alpha-hydroxyacrylate aqueous solution
    9.
    发明公开
    Method for preparing poly-alpha-hydroxyacrylate aqueous solution 审中-公开
    Verfahren zur Herstellung vonwässrigenLösungenaus Poly-Alpha-Hydroxyacrylaten

    公开(公告)号:EP1288231A1

    公开(公告)日:2003-03-05

    申请号:EP02017322.5

    申请日:2002-08-01

    IPC分类号: C08F8/44

    CPC分类号: C08F8/44 C08F20/04

    摘要: A method for preparing a poly-α-hydroxyacrylate aqueous solution, which comprises reacting a polylactone compound corresponding to poly-α-hydroxyacrylic acid (hereinafter referred to as "PLAC") with an alkali, wherein the alkali is added dividedly.

    摘要翻译: 一种制备聚-α-羟丙基丙烯酸酯水溶液的方法,其包括将对应于聚-α-羟基丙烯酸的聚内酯化合物(以下称为“PLAC”)与碱反应,其中分批加入碱。