Patent ID: 6878200
Filing Date: 2005-04-12
Classification: C04B

Abstract:
1. A cold-curing mortar or concrete composition, comprising: calcareous and siliceous materials as predominant components, wherein the composition contains a silicone oil in an amount of 0.3 to 2.5% by weight based on the weight of the calcareous material, said silicone oil having formula (1): wherein R is an alkyl group having 3 to 12 carbon atoms, R′ is an alkyl group having 1 to 4 carbon atoms, y is an integer such that the number of alkyl groups R is 5 to 50 mol % of the total number of substituent groups directly attached to silicon atoms in a molecule, z is an integer of 0 to 5, and the sum of x+y+z ranges from 3 to 30.