Cement composition
AssigneeArco Chemical Technology, L.P.
InventorsEdward T. Shawl, Haven S. Kesling, Jr.
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Abstract
The invention relates to a cement composition containing a shrinkage reducing amount of an alkyl ether derivative of an aliphatic polyhydroxy compound of the formula: Q--[(A).sub.n --OR].sub.x wherein Q is a C.sub.3 -C.sub.12 aliphatic hydrocarbon group, R is hydrogen or C.sub.1 -C.sub.10 alkyl, at least one R being the C.sub.1 -C.sub.10 alkyl group, A is C.sub.2 -C.sub.4 oxyalkylene, n is 0-10, and x is 3-5.
Claims10
A cement composition comprised of cement and a shrinkage reducing amount of an alkyl ether derivative of an aliphatic polyhydroxy compound having the formula:
- Q--[(A).sub.n --OR].sub.x
- wherein Q is C.sub.3 -C.sub.12 aliphatic hydrocarbon group, each R is hydrogen or a C.sub.1 -C.sub.16 alkyl group with the proviso that at least one is C.sub.1 -C.sub.16 alkyl, A is a C.sub.2 -C.sub.4 oxyalkylene group, n is 0-10, and x is 3-5.
A cement composition comprised of cement and a shrinkage reducing amount of an alkyl ether derivative of glycerin having the formula:
- ##STR5## wherein R.sub.1 and R.sub.2 and R.sub.3 are each hydrogen or a C.sub.1 -C.sub.6 alkyl group with the proviso that at least one of R.sub.1, R.sub.2 or R.sub.3 is C.sub.1 -C.sub.16 alkyl, A is a C.sub.2 -C.sub.4 oxyalkalene group, and n is 0-10.
A cement composition comprised of cement and a shrinkage reducing amount of an alkyl ether derivative of glycerin having the formula:
- ##STR8## wherein R.sub.1 and R.sub.2 and R.sub.3 are each hydrogen or a C.sub.1 -C.sub.16 alkyl group with the proviso that at least one of R.sub.1, R.sub.2 or R.sub.3 is C.sub.1 -C.sub.16 alkyl, A is a C.sub.2 -C.sub.4 oxyalkylene group, and n is 0-10, and also containing a polyoxyalkalene glycol having a molecular weight in the range 200-1,000.
A cement composition comprised of cement and a shrinkage reducing amount of an alkyl ether derivative of glycerin having the formula:
- ##STR9## wherein R.sub.1 and R.sub.2 and R.sub.3 are each hydrogen or a C.sub.1 -C.sub.16 alkyl group with the proviso that at least one of R.sub.1, R.sub.2 or R.sub.3 is C.sub.1 -C.sub.16 alkyl, A is a C.sub.2 -C.sub.4 oxyalkalene group, and n is 0-10, and also containing an additive having the formula:
- RO(AO).sub.n H
- where R is a C.sub.1-7 alkyl or C.sub.5-6 cycloalkyl group, A is a C.sub.2-3 alkylene radical and n is 1-10.
Dependencies are inferred from the claim text.