Process for making acrylamido methane sulfonic acid polymers

Details Process for making acrylamido methane sulfonic acid polymers Process for making acrylamido methane sulfonic acid polymers

C - Chemistry, Metallurgy

08

F

402/325

C08F 8/34 (2006.01) C08F 8/36 (2006.01)

Patent

CA 1337711

A method of preparing acrylic sulfonic acid polymers wherein a preformed amino methane sulfonic acid is not utilized, which comprises reacting a starting material selected from one member of a group consisting of acrylic and methacrylic acid polymers and which is substituted by a substituent of up to 20 percent of water-soluble hydroxy lower alkyl (C1-C4) and lower alkyl (C1-C4) esters of acrylic and methacrylic acids and soluble vinyl acetate substituents introduced into the acrylic and methacrylic acid polymers and converting a substantial amount of the carboxylic acid groups to amido methane sulfonic acid groups.

606914

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