Substituted (4-hydroxyphenylthio) succinic anhydride or...

Details Substituted (4-hydroxyphenylthio) succinic anhydride or... Substituted (4-hydroxyphenylthio) succinic anhydride or...

C - Chemistry, Metallurgy

08

K

400/2041, 400/30

C08K 5/36 (2006.01) C07D 307/60 (2006.01) C07D 307/64 (2006.01) C08K 5/375 (2006.01) C08K 5/378 (2006.01) C09K 15/14 (2006.01)

Patent

CA 1207781

Substituted (4-Hydroxyphenylthio) succinic anhydride or succinate stabilizers Abstract of the Disclosure Substituted succinic anhydride or succinate stabilizers of the formula I or II Image Image (I) (II) where R1 and R2 are independently alkyl, cycloalkyl, phenyl or aralkyl, R3 is hydrogen or methyl, R4 is hydrogen, lower alkyl or phenyl, R5 is hydrogen, alkyl, alkylthio, arylthio or the structure Image and R6 and R7 are independently hydrogen, alkyl, aryl or substituted aryl are useful as stabilizers for polymeric substrates, particularly polyolefins and rubber.

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