C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 218/14 (2006.01) C04B 24/26 (2006.01) C04B 24/32 (2006.01) C08F 220/00 (2006.01) C08F 222/06 (2006.01) C08F 290/06 (2006.01)
Patent
CA 2173570
The present invention provides co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives, as well as vinylic polyalkyleneglycol, polysiloxane or ester compounds. These co-polymers can be used as additives for hydraulic binding agents, especially cement. These co-polymers have an excellent and long-lasting liquefying action without introducing large amounts of air pores into the binding agent mixtures, thereby preventing losses of strength and stability of the hardened building materials.
Albrecht Gerhard
Kern Alfred
Penkner Johann
Weichmann Josef
Albrecht Gerhard
Construction Research & Technology Gmbh
Kern Alfred
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Penkner Johann
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