C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
25/108
C04B 41/70 (2006.01) C04B 41/52 (2006.01)
Patent
CA 2315839
A high gloss coating on a mineral substrate, such as a roof tile or floor tile, can be achieved by a method comprising: i) forming said substrate from an uncured mineral composition, preferably a green concrete, clay or fiber cement; ii) forming a continuous layer of film-forming polymeric binder over a surface of said substrate formed in i) by: a) applying to said surface a first coating composition comprising film- forming polymeric binder, and b) destabilizing said first coating composition prior to application of, upon contact of, or subsequent to application of said first coating composition on said surface; iii) applying to the coated surface formed in ii) a second coating composition comprising a film forming polymeric binder; and iv) drying and curing said coated substrate formed in iii), for example in an oven or autoclave.
Gowling Lafleur Henderson Llp
Rohm And Haas Company
LandOfFree
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