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Stabilizer composition
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A composition and stabilizer technology, applied in the direction of adhesive additives, non-polymer adhesive additives, coatings, etc.
Active Publication Date: 2019-07-26
BASF SE
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[0009] Regarding phenolic antioxidants (especially phenolic antioxidants containing thioether groups, such as 1520 or 1726) is the miscibility gap in cured or crosslinked non-polar polymers such as STPs
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Embodiment approach 12
[0134] Preferably (embodiment 1.2), in compound II
[0135] Each R 1 ' independently for the group -OR 6 ;in
[0146] In a particular embodiment (Embodiment 1.3.1), the compound of formula III is a compound of formula III.1
[0147]
[0148] where k is 8-20.
[0149] In a preferred embodiment (embodiment 1.4), the hindered amine comprises at least one compound of formula I, wherein the compound of formula I is as in any one of embodiments 1, 1.1, 1.1.1, 1.1.1.1 or 1.1.1.1. defined in a. In particular (embodiment 1.4.1), hindered amines comprise compounds of formula I.1.
[0150] In another preferred embodiment (embodiment 1.5), the hindered amine comprises at least one compound of formula II, wherein the compound of formula II is as defined in any one of embodiments 1, 1.2 or 1.2.1. In particular (embodiment 1.5.1), hindered ...
Embodiment approach 211
[0166] R a and R b is-CH 2 -SR 16 ;in
[0167] R 16 is linear C 6 -C 16 - alkyl; especially n-octyl or n-dodecyl; and
[0168] R c is methyl;
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Abstract
The present invention relates to a stabilizer composition containing at least one sterically hindered amine (HALS) in which the amino group carries a basicity-reducing substituent, at least one antioxidant containing one or more thioether groups and at least one liquid plasticizer containing carboxylate groups. The invention further relates to a polymer composition containing at least one sterically hindered amine (HALS) in which the amino group carries a basicity-reducing substituent, at least one antioxidant containing one or more thioether groups, at least one liquid plasticizer containingcarboxylate groups and at least one silyl-terminated polymer, to the use of the stabilizer composition for stabilizing a silyl-terminated polymer or a sealant, adhesive, gasket, knifing filler or coating composition, especially a sealant, adhesive, gasket, knifing filler or coating composition containing a silyl-terminated polymer, against degradation by heat, light and / or oxygen, to the use of the polymer composition as or in a sealant, adhesive, liquid gasket, knifing filler or coating composition, and to a sealant composition or an adhesive composition, or a gasket composition, or a knifingfiller composition or a coating composition comprising the polymer composition.
Description
[0001] technical background [0002] The present invention relates to a stabilizer composition comprising at least one hindered amine (HALS) in which the amino group has a basicity-reducing substituent (basicity-reducing substituent), at least one hindered amine (HALS) containing one or more thioether groups antioxidant and at least one liquid plasticizer containing carboxylate groups. The present invention also relates to a polymer composition comprising at least one hindered amine (HALS) in which the amino group has a basicity-reducing substituent, at least one antioxidant containing one or more thioether groups, at least one A liquid plasticizer containing carboxylate groups and at least one silyl-terminated polymer, relating to the stabilizer composition for stabilizing silyl-terminated polymers or sealants, adhesives, gaskets (gasket ), knife-coating fillers (knifing fillers) or coating compositions (especially sealants, adhesives, gaskets, knife-coating fillers or coating...
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