Alkyltin polysulfide thioesters

Details Alkyltin polysulfide thioesters Alkyltin polysulfide thioesters

C - Chemistry, Metallurgy

07

F

6/112, 400/7099,

C07F 7/22 (2006.01) C08K 5/58 (2006.01) D06M 13/50 (2006.01)

Patent

CA 1049545

ABSTRACT OF THE DISCLOSURE Compounds are prepared having the formula: (RxSn)n (-SR'COOR") (4-x)n-2m (-Sy-)m where the tin is tetravalent, R is alkyl of 1 to 8 carbon atoms or benzyl, R' is alkylene of 1 to 4 carbon atoms, R" is alkyl or alkenyl of 1 to 18 carbon atoms, cyclo- alkyl of 5 to 6 carbon atoms in the ring or benzyl, x is 1 or 2, y is 2 to 4, n is 1 to 10 and m in 1/2 n to n. The compounds are useful as stabilizers for polyvinyl chloride and other halogen containing polymers.

209614

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