C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
261/56.2, 260/63
C07C 43/13 (2006.01) C04B 24/00 (2006.01) C04B 24/02 (2006.01) C04B 24/32 (2006.01) C07C 69/28 (2006.01)
Patent
CA 1335296
The present invention provides a method for improving the durability of cement-hydraulic substances, the method decreasing the dry shrinkage of cement- hydraulic-set substances such as concrete, mortar or related substances, and increasing resistance to a repetition of the freezing and thawing of the cement- hydraulic-set substances, by the use of terminal alkyletherified compounds or terminal alkylesterified compounds of polymers having -C2H5O- and/or -C3H6O- as a repetitive unit.
605744
Saito Toshio
Sakuta Masaharu
Yanagibashi Kunio
Fujisawa Pharmaceutical Co. Ltd.
Nippon Nyukazai Co. Ltd.
Swabey Ogilvy Renault
Takenaka Corporation
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