09-05-2013 дата публикации
Номер: US20130112111A1
The present invention pertains to an additive combination comprising at least two sterically hindered amines, at least one further stabiliser, a dispersing agent and a plasticiser. The present invention also pertains to a composition comprising an organic material susceptible to degradation by light, oxygen and/or heat, and the additive combination and to the use and the process for stabilising organic material against degradation by light, oxygen and/or heat by the additive combination. 2. The additive combination of claim 1 , wherein the at least two sterically hindered amines are formula (A-i) and formula (A-ii).3. The additive combination of claim 1 , wherein the at least one further compound is formula (B-i).4. The additive combination of claim 1 , wherein in the dispersant claim 1 ,r is 2-20,{'sub': 1', '4, 'R5 is linear C-Calkyl,'}{'sub': 10', '18', '10', '18', '10', '18, 'R2 is linear C-Calkyl, branched C-Calkyl, or linear and branched C-Calkyl,'}R3 is pyridine,R4 is H,n is an integer from 20 to 90,q is an integer from 5 to 30,m is an integer from 0 to 60, andp is an integer from 0 to 30.5. The additive combination of claim 1 , wherein the plasticizer is selected from the group consisting of a cyclohexane dicarboxylic acid ester claim 1 , a phthalate claim 1 , a trimellitate claim 1 , an adipate claim 1 , a maleate claim 1 , a benzoate claim 1 , a citrate claim 1 , a vegetable oil claim 1 , a succinate claim 1 , a sebacate claim 1 , a fatty acid ester claim 1 , a sulfonamide claim 1 , an organophosphate claim 1 , a glycol claim 1 , a polyether claim 1 , a polybutene claim 1 , an acetylated monoglyceride claim 1 , an alkyl sulphonic acid phenyl ester claim 1 , and any mixture thereof.6. The additive combination of claim 1 , further comprising an additive.7. The additive combination of claim 6 ,wherein the additive is selected from the group consisting of a solvent, a surfactant, an antioxidant, a light stabiliser, a metal deactivator, a phosphite, a ...
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