Use of an agent to increase the rate of hardening of cements, mortars and concretes while maintaining workability.

摘要

THE invention relates to an agent that increases the rate of hardening of cements, mortars and concretes KEEPING YOUR FULL driveability. Also it concerns an adjuvant for cements, mortars and concretes comprising an amount EFFECTIVE said agent, and that CEMENT, MORTAR AND CONCRETE CONTAINING AN AMOUNT EFFECTIVE said agent or said adjuvant. THIS AGENT has the formula: wherein: alkyl, substituted alkyl, alkene, aryl or aralkyl; A REASON CHAIN ​​IS EXCEEDING 10; TOS: in which: and in particular a halogen; Entic or different, are alkyl, substituted alkyl, alkene, aryl or aralkyl.