Copolymers of ethylenically unsaturated ethers useful as...

Details Copolymers of ethylenically unsaturated ethers useful as... Copolymers of ethylenically unsaturated ethers useful as...

C - Chemistry, Metallurgy

08

F

C08F 228/00 (2006.01) C04B 24/16 (2006.01) C04B 24/26 (2006.01) C08F 212/08 (2006.01) C08F 220/00 (2006.01) C08F 220/04 (2006.01)

Patent

CA 2080787

ABSTRACT OF THE INVENTION In the present invention copolymers of certain ethers and olefinic mono- acids (or salts or in some cases esters thereof) have been discovered to be effective superplasticizers for hydraulic cements. When admixed into wet cement compositions these polymeric compounds give the cement mixture higher slump and lower slumploss over time. Alternatively, the copolymers of this invention may be used in preparing a cement mixture requiring less water, to yield a hardened cement with greater compressive strength. WPJLH/29/1-23

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