O,o-bis (phenyl) amidothiophosphates as polyolefin stabilizers

Details O,o-bis (phenyl) amidothiophosphates as polyolefin stabilizers O,o-bis (phenyl) amidothiophosphates as polyolefin stabilizers

C - Chemistry, Metallurgy

08

L

400/9443, 400/94

C08L 23/02 (2006.01) C07F 9/24 (2006.01) C08K 5/51 (2006.01) C08K 5/5399 (2006.01) C09K 15/32 (2006.01)

Patent

CA 1038099

ABSTRACT O,O-Bis(aryl)amidothiophosphates, useful as light stabilizers in polyolefins, are those having the formula: Image (I) wherein: R is hydrogen, alkyl of 1-12 carbons, or halogen; Ar is phenyl or naphthyl; n is 1 or 2; and R' and R", which may be the same or different, are each selected from the group consisting of hydrogen, alkyl of 1-18 carbons, 2,2,6,6-tetra- methyl-4-piperidyl, cycloalkyl of 5-6 carbons or both R' and R", together with the N to which they are attached, form a morpholino or piperidino ring. Such compounds are made by re- acting PSCl3 with two moles of a phenol and then the product thereof with an amine.

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