C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/02 (2006.01) C04B 24/32 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2117585
The invention relates to a cement composition containing a shrinkage reducing amount of a synergistic additive combination of a component having the formula: R1O(AO)nH wherein A is a C2-C4 alkylene group or a combination of C2-C4 alkylene groups, n is 1-10, and R1 is a C1-C10 alkyl or cycloalkyl group with an alcohol having the formula ROH where R is a C4-C10 alkyl or cycloalkyl group and/or a dihydroxy compound having the formula HO(AO)nH where A is as above and n is 1-8.
Kesling Haven S. Jr.
Shawl Edward T.
Arco Chemical Technology L.p.
Osler Hoskin & Harcourt Llp
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