Hydroxyphenylcarboxylic acid esters as stabilizers

Details Hydroxyphenylcarboxylic acid esters as stabilizers Hydroxyphenylcarboxylic acid esters as stabilizers

C - Chemistry, Metallurgy

07

C

400/9036, 260/47

C07C 69/732 (2006.01) C07C 69/86 (2006.01) C08K 5/06 (2006.01) C08K 5/134 (2006.01) C08L 57/00 (2006.01)

Patent

CA 2026522

A-17774/= HydroxyPhenylcarboxylic acid esters as stabilizers Abstract of the disclosure The novel compounds of the formulae Ia and Ib Image , Image (Ia) (Ib) in which the radicals R are identical or different and are a group of the formula II Image (II) in which X is a direct bond, methy1ene, ethylene or a group Image and Y is C1-C8alkyl, R1 and R2 independently of one another are C1-C18alkyl, C5-C12cycloalkyl, Cs-C7cycloalkyl which is substituted by C1-C4alkyl, or are phenyl or C7-C10phenylalkyl, and R2 is additionally hydrogen, are suitable for stabilizing organic material against thermal, oxidative or actinic degradation.

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