C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/02 (2006.01) C09D 131/04 (2006.01) C09D 135/00 (2006.01) C09D 181/06 (2006.01) G21F 1/10 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2120299
ABSTRACT This invention relates to a method for rendering a surface substantially impervious to alpha particle radiation such as that produced through radon decay. More particularly, the present invention involves applying to said surface an emulsion containing a sulfopolyester and a copolymer of vinyl acetate and dialkyl maleate, and a plasticizer. The sulfopolyester-acrylic copolymer blend produces a stable alpha particle radiation barrier on sand, rocks and soil.
Minga Robin Lynn
Sloan Cephas Hiram
Williams Thomas Hugh
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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