C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/6403, 400/90
C08K 5/36 (2006.01) C08K 5/00 (2006.01) C08K 5/47 (2006.01) C08K 5/59 (2006.01) C08L 25/02 (2006.01) C08L 27/02 (2006.01)
Patent
CA 1088690
ABSTRACT OF THE DISCLOSURE Smoke-retardant polymer compositions prepared by admixing a resin consisting of a polyvinyl halide or a polystyrene with a smoke reducing amount of a metal-2-marcaptobenzothiazole, a metal-2-mercaptobenzoxazole, or a metal- 2-mercaptobenzimidazole having the general formula Image where R ant R1 can be a hydrogen, alkyl, aryl, slkylaryl or halogen, X is elther oxygen, sulfur or NR2, M is a metal, n is an integer equal to the valence of the metal and R2 can be a hydrogen, alkyl, aryl or alkylaryl group.
259562
Atochem North America Inc.
Borden Ladner Gervais Llp
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