Treating building materials with a compound containing tin coval

Details Treating building materials with a compound containing tin coval Treating building materials with a compound containing tin coval

1991-12-16

1994-05-31

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

52516, 4273936, 427420, 427421, 427428, 4274301, 427440, 428141, 428141R, 428144, 428340, 428341, 428405, 428406, 428446, 428447, 428540, 428703, B05D 118, B32B 2102, D06N 704

Patent

active

053168240

ABSTRACT:
Building materials such as concrete can be protected from the growth of algae by being treated with a compound containing tin covalently bonded to a silylating group such that cleavage of the covalent bonds due to hydrolysis or photolysis is minimized, thus making the treatment ecologically safe. One such compound is (n-Bu).sub.3 SnCH.sub.2 CH.sub.2 Si(OEt).sub.3. The tin compound can either be incorporated into raw materials from which building materials are to be made, or it can be applied to the finished building materials. When the tin compound is applied to a building material that is algae streaked, the streaking should disappear.

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