C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/47
C04B 24/20 (2006.01) C04B 22/00 (2006.01) C04B 24/00 (2006.01) C04B 24/12 (2006.01)
Patent
CA 1069544
ABSTRACT OF THE DISCLOSURE The contraction of aqueous hydraulic cement mixtures is controlled by the addition thereto of a gas generating organic agent capable of generating gas in the mixture without the addition of activators or other agents. Gas generation may be controlled over an extended period of time so that even slow setting cementitious mixtures may have their shrinkage or contraction inhibited during setting and hardening.
259996
International Construction Products Research
Na
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