C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/06 (2006.01) C04B 24/26 (2006.01) C04B 24/28 (2006.01) C08L 35/08 (2006.01)
Patent
CA 2089233
Cement admixture compositions formed from alkenyl ether/maleic anhydride copolymers having specific molecular structures have been found to impart a high degree of slump loss over a sustained period of time while not causing any significant set retardation of the treated cement based composition.
Compositions additives pour ciment, formées à partir de copolymères d'éther-oxyde alcénylique et d'anhydride maléique possédant des structures molaires spécifiques; ces compositions améliorent le ciment du point de vue rhéologique pendant une période de temps prolongée, sans causer un retard de prise de quelque importance.
Honda Susumu
Koyata Hideo
Gowling Lafleur Henderson Llp
Nof Corporation
W.r. Grace & Co.,-Conn.
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