Process for producing and use of maleic acid (co-) polymer...

Details Process for producing and use of maleic acid (co-) polymer... Process for producing and use of maleic acid (co-) polymer...

C - Chemistry, Metallurgy

08

F

402/296, 134/39,

C08F 222/06 (2006.01) C02F 5/10 (2006.01) C02F 5/14 (2006.01) C08F 22/02 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2015489

A specially defined amount of hydrogen peroxide is used as a polymerization catalyzer and, under a condition of that a specially defined amount and a specially defined kind of a polyvalent metal ion and a specially defined amount of an alkaline substance exist, only maleic acid or a monomer component composed of maleic acid and the other water-soluble unsaturated monomer in a specially defined proportion is polymerized in water, whereby a maleic acid ( co-)polymer salt improved in biodegradability is produced. The maleic acid (co-)polymer salt obtained is superior in biodegradability and little in amount of a residual monomer and useful as a detergent builder and a scale inhibitor etc.

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