A cement composition capable of inhibiting drying shrinkage and cracking resulting therefrom composed of cement and an alkyl or cycloalkyl carbamate, an alkylene dicarbamate, polyoxyalkylene dicarbamate or mixtures thereof.
Low shrinkage cement composition
Abdelrazig, BEI., Gartner, EM., & Myers, D. (1994). Low shrinkage cement composition. (U.S. Patent No. 5326397). U.S. Patent & Trademark Office, Washington, DC. http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5326397