发明名称 Use of carboxylic acid/sulfonic acid copolymers as aluminum ion stabilizers
摘要 The present invention is directed to a method to stabilize aluminum ions in recirculating water systems comprising adding to the system 0.1 to 1,000 ppm of a water-soluble polymer having an intrinsic viscosity of 0.05 to 2.5 dl/g in 1.0 M NaCl, prepared from: (A) 35 to 90%, by weight, of an unsaturated carboxylic compound selected from the group consisting of acrylic acid, methacrylic acid, their salts and mixtures thereof; and (B) 10 to 65%, by weight, of an unsaturated sulfonic compound selected from the group consisting of 2-acrylamido-2-methylpropylsulfonic acid, 2-methacrylamido-2-methylpropylsulfonic acid, their salts and mixtures thereof.
申请公布号 US4693829(A) 申请公布日期 1987.09.15
申请号 US19860847995 申请日期 1986.04.03
申请人 CALGON CORPORATION 发明人 BOFFARDI, BENNETT P.
分类号 C08F220/04;C01F7/00;C02F5/00;C02F5/08;C02F5/10;C02F5/12;C08F20/52;C08F220/06;C08F220/58;C23F11/173;(IPC1-7):C02F5/12 主分类号 C08F220/04
代理机构 代理人
主权项
地址