| 发明名称 |
Terpolymer of itaconic acid for high PH scale control. |
| 摘要 |
<p>A particular terpolymer of itaconic acid (IA) with acrylic acid (AA) and methacrylic acid (MAA), with a molar ratio of monomers of 25-35 AA : 30-40 MAA : 30-45 IA, has been found to give excellent inhibition of scale, especially CaCO3 scale, at elevated pH's of 8.5 - 9.5, when used either alone or in combination with phosphonates and acrylate based copolymers.</p> |
| 申请公布号 |
EP0511850(A1) |
申请公布日期 |
1992.11.04 |
| 申请号 |
EP19920303871 |
申请日期 |
1992.04.29 |
| 申请人 |
CALGON CORPORATION |
发明人 |
YORKE, MONICA;MATZ, GARY F.;PERSINSKI, LEONARD J.;BENDIKSEN, BEVERLY |
| 分类号 |
C08F4/28;C02F5/00;C02F5/08;C02F5/10;C02F5/14;C08F4/34;C08F220/04;C08F220/06;C08F222/02 |
主分类号 |
C08F4/28 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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