Mortar or concrete composition

Details Mortar or concrete composition Mortar or concrete composition

2005-04-12

2005-04-12

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S675000, C106S677000, C106S708000, C106S724000, C106S790000, C106S795000

Reexamination Certificate

active

06878200

ABSTRACT:
In a cold-curing mortar or concrete composition comprising calcareous and siliceous materials as predominant components, 0.3-2.5 wt % based on the calcareous material of a silicone oil having formula (1) is added. R is C3-12alkyl, R′ is C1-4alkyl, y is such an integer that the number of R is 5-50 mol % of the total number of substituent groups directly attached to silicon atoms in a molecule, z is an integer of 0-5, and 3≦x+y+z≦30. The set composition is improved in water repellency without incurring a drop of strength.

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