Stabilization of polyolefins with liquid cyclic phosphites

Details Stabilization of polyolefins with liquid cyclic phosphites Stabilization of polyolefins with liquid cyclic phosphites

C - Chemistry, Metallurgy

07

F

C07F 9/141 (2006.01) C08K 5/527 (2006.01)

Patent

CA 2625376

The present invention discloses liquid cyclic phosphites of for example the formula I or Il. Also disclosed is a stabilized composition comprising a polyolefin and a liquid cyclic phosphite of the formula I or Il and a process for the stabilization of polyolefins by incorporating therein or applying thereto a liquid cyclic phosphite of the formula I or II. The present liquid phosphite stabilizers of the formula I or Il are especially compatible with polyolefins.

La présente invention concerne des phosphites cycliques liquides de, par ex., formule I ou II. Cette invention a aussi pour objet une composition stabilisée comprenant une polyoléfine et un phosphite cyclique liquide de formule I ou II, ainsi qu'un processus de stabilisation de polyoléfines par incorporation ou application d'un phosphite cyclique liquide de formule I ou II. Les stabilisants de phosphite liquide de formule I ou II sont, particulièrement, compatibles avec les polyoléfines.

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