C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
18/1182, 260/396
C07C 333/00 (2006.01) C01C 3/20 (2006.01) C07C 331/02 (2006.01) C08J 7/12 (2006.01)
Patent
CA 1292748
ABSTRACT The present invention relates to a composition comprising the reaction product of thiocyanogen or a thiocyanogen halide and certain .alpha.,.beta.- unsaturated ketones, e.g. chloranil, and solutions of the reaction product in an inert solvent. The composition can be prepared by adding to a thiocyanogen or a thiocyanogen halide solution in an inert solvent certain conjugated unsaturated ketones. Unlike the thiocyanogen or thiocyanogen halide solutions, the composition of this invention does not polymerize over an extended period of time. Thus, the product can be packaged and shipped whereas the known thiocyanogen solutions are unstable and must be used within a relatively short period of time before they polymerize and form a brick-red precipitate, thereby becoming inactive. The composition can be used to treat the surfaces of polymeric articles to provide a more adherent surface for paint.
530401
Smart & Biggar
The Dow Chemical Company
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