Pentaerythritol diphosphite stabilizers and process

Details Pentaerythritol diphosphite stabilizers and process Pentaerythritol diphosphite stabilizers and process

C - Chemistry, Metallurgy

08

K

400/7067, 31/71,

C08K 5/52 (2006.01) C07F 9/6574 (2006.01) C08K 5/527 (2006.01) C09K 15/32 (2006.01)

Patent

CA 1256117

PENTAERYTHRITOL DIPHOSPHITE STABILIZERS AND PROCESS Abstract of the Disclosure Pentaerythritol diphosphites corresponding to the formula Image wherein R1 and R2 are independently lower alkyl of 1 to 8 carbon atoms, R3 is -A-COOR4, A is a direct bond, methylene or ethylene; and R4 is methyl or alkyl of 12 to 18 carbon atoms being useful for stabilizing organic materials against thermal, oxidative and actinic degradation and a process for the preparation thereof.

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