C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
6/168, 6/216, 26
C04B 41/67 (2006.01) C04B 20/10 (2006.01) C04B 22/16 (2006.01) C04B 41/50 (2006.01) C09K 3/18 (2006.01)
Patent
CA 1282556
ABSTRACT OF THE DISCLOSURE A phosphate additive, such as apatite or mono- calcium phosphate monohydrate, is used to treat concrete aggregate and concrete to improve its resistance to natural and salt induced breakdown. The phosphate can also be used in association with road salt to prevent spalling and breakdown of concrete surfaces and damages to cars. Used alone as a surface treatment, it has the same effect.
514050
Hudec Peter
Swabey Ogilvy Renault
University Of Windsor
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