Bis-cyclic phosphite compounds and polymeric materials...

Details Bis-cyclic phosphite compounds and polymeric materials... Bis-cyclic phosphite compounds and polymeric materials...

C - Chemistry, Metallurgy

07

F

C07F 9/6574 (2006.01) C08K 5/52 (2006.01) C08K 5/527 (2006.01)

Patent

CA 2045403

2045403 9101987 PCTABScor01 Disclosed are novel bis-cyclic phosphite compounds having formula (I) wherein each R1 is independently selected from hydrogen, alkyl, aralkyl, aryl, carboxy, alkoxycarbonyl or halogen; each R2 is independently selected from hydrogen, alkyl, aralkyl, alkoxy, aryl, carboxy, alkoxycarbonyl or halogen; each R3 and R4 is alkyl; and A is 1,3- or 1,4-phenylene. Also disclosed are synthetic polymeric materials stabilized with one or more of the above compounds.

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