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    • 1. 发明申请
    • (METH)ACRYLIC ACID COPOLYMER, METHOD FOR PRODUCING THE SAME, AND APPLICATION THEREOF
    • (METH)丙烯酸共聚物,其制备方法及其应用
    • WO2006104255A1
    • 2006-10-05
    • PCT/JP2006/307277
    • 2006-03-30
    • NIPPON SHOKUBAI CO., LTD.NAKANO, MasatoYAMAGUCHI, ShigeruFUKUHARA, Koji
    • NAKANO, MasatoYAMAGUCHI, ShigeruFUKUHARA, Koji
    • C08F2/38C08F220/04C08F220/28C08F4/40
    • C02F5/12C08F2/005C08F220/06C08F220/28C23F11/173C23F14/02
    • To provide: a (meth)acrylic acid copolymer, which exhibits excellent chelating ability, dispersibility, and gel resistance, and can be preferably used in various applications, for example, in a dispersant such as an inorganic pigment and a metal ion, a detergent builder, and a water treatment agent such as a corrosion inhibitor and a scale inhibitor; and a method for producing the (meth)acrylic acid copolymer; and an application thereof. A (meth)acrylic acid copolymer having a constitutional unit (a) derived from a (meth)acrylic acid monomer (A) represented by a general formula (1) and a constitutional unit (b) derived from a hydroxyalkyl (meth)acrylate monomer (B) represented by a general formula (2), wherein the copolymer has a sulfonic acid (sulfonate) group, and a value A of 10 or more, the value A being defined by a formula (1):A=1/(Abs-Abs0) in the formula, R 1 represents a hydrogen atom or a methyl group, and X represents a hydrogen atom, a metallic atom, an ammonium group, or an organic amine group; in the formula, R 2 represents a hydrogen atom or a methyl group, and Y represents an alkylene group containing 1 to 4 carbon atoms.
    • 提供:具有优异的螯合能力,分散性和凝胶电阻的(甲基)丙烯酸共聚物,并且可以优选用于各种用途,例如分散剂如无机颜料和金属离子,洗涤剂 助洗剂和水处理剂如腐蚀抑制剂和防垢剂; 和(甲基)丙烯酸共聚物的制造方法, 及其应用。 具有由通式(1)表示的(甲基)丙烯酸单体(A)和由(甲基)丙烯酸羟烷基酯单体衍生的结构单元(b))的结构单元(a)的(甲基)丙烯酸共聚物 (2)表示的共聚物(B),其中所述共聚物具有磺酸(磺酸盐)基,值A为10以上,值A由式(1)定义:A = 1 /( 式中的Abs-Abs0)R 1表示氢原子或甲基,X表示氢原子,金属原子,铵基或有机胺基; 在式中,R 2表示氢原子或甲基,Y表示含有1至4个碳原子的亚烷基。