Methylene bis(alkylsulfides) as antioxidant synergists in...

Details Methylene bis(alkylsulfides) as antioxidant synergists in... Methylene bis(alkylsulfides) as antioxidant synergists in...

C - Chemistry, Metallurgy

08

L

400/7098, 400/91

C08L 21/00 (2006.01) C08K 5/37 (2006.01) C08K 5/372 (2006.01)

Patent

CA 1323718

Abstract of the Disclosure METHYLENE BIS(ALKYLSULFIDES) AS ANTIOXIDANT SYNERGISTS IN RUBBER This invention is concerned with compounds of the structural formula: Image wherein R1 and R2 may be the same or different radical selected from the group consisting of hydrogen and methyl radicals; when R1 is a hydrogen radical, R is an alkyl radical of 5 to 13 carbon atoms; when R1 is a methyl radical, R is a radical of 4 to 12 carbon atoms; when R2 is a hydrogen radical, R3 is an alkyl radical of 5 to 13 carbon atoms; when R2 is a methyl radical, R3 is an alkyl radical of 4 to 12 carbon atoms. These compounds have utility as synergists for phenolic type and amine type antioxidants in the stabilization of natural and synthetic rubbers.

560696

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