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US 11,767,413 B2Granted
Phosphonite compounds as process stabilizers
AssigneeClariant International Ltd.
InventorsPascal Steffanut, Stephane Bellemin-Laponnaz, Damien Bissessar, Thierry Achard
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Abstract
The present invention relates to a composition comprising one or more (co)polymers and one or more phosphonite compounds that contain cardanol moieties. Moreover, the present invention also refers to the use of the phosphonite compounds as process stabilizers, in particular refers to the use of such compounds for stabilizing and/or reducing the Yellowness Index of a (co)polymer composition exposed to heat and/or mechanical stress.
Claims14
A composition comprising:
- A) one or more (co)polymers as component A;
- B) one or more phosphonite compounds of formula (I) as component B
- wherein, independently of one another
- each R1 is independently from another a linear C13-17-alkyl;
- R2 is selected from the group consisting of hydrogen, linear or branched C1-18-alkyl, linear or branched C1-12-alkoxy;
- and
- R3 is selected from the group consisting of hydrogen, linear or branched C1-18-alkyl, linear or branched C1-12-alkoxy;
- and
- C) optionally one or more (co)polymer additives as component C.
6 more elements
Dependencies are inferred from the claim text.