STABILIZER COMPOSITION FOR SILYL-MODIFIED POLYMER SEALANTS

The invention is directed to stabilizer compositions comprising at least one oxalanilide UV absorber and/or at least one (2-hydroxyphenyl)-s-triazine UV absorber, and at least one oligomeric hindered amine light stabilizer (HALS), optionally further comprising at least one phenolic antioxidant, at l...

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Main Authors KANOUNI, MOUHCINE, GRASSINI, DAVID PIETRO, DESRATS, JEAN-YVES, BATTISTI, ANDREA, DI RISIO, ANTONIO
Format Patent
LanguageEnglish
French
Published 21.07.2022
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Abstract The invention is directed to stabilizer compositions comprising at least one oxalanilide UV absorber and/or at least one (2-hydroxyphenyl)-s-triazine UV absorber, and at least one oligomeric hindered amine light stabilizer (HALS), optionally further comprising at least one phenolic antioxidant, at least one liquid diluent and/or further components. Said stabilizer compositions are preferably used in sealants or adhesives based on silyl-modified polymers (SMP). The invention also deals with a polymer composition based on silyl-modified polymers (SMP) comprising the new stabilizer combination of oxalanilide UV absorber and/or (2-hydroxyphenyl)-s-triazine UV absorber, and oligomeric hindered amine light stabilizer (HALS), optionally further comprising phenolic antioxidant and liquid diluent and/or further components. La présente invention concerne des compositions d'agent stabilisant comprenant au moins un agent absorbant les UV oxalanilide et/ou au moins un agent absorbant les UV (2-hydroxyphényl)-s-triazine, et au moins un agent oligomère stabilisant la lumière type amine bloquée (HALS), comprenant en outre éventuellement au moins un antioxydant phénolique, au moins un diluant liquide et/ou des constituants supplémentaires. Lesdites compositions d'agent stabilisant sont préférablement utilisées dans des agents d'étanchéité ou des adhésifs à base de polymères modifiés avec un groupe silyle (SMP). L'invention concerne également une composition polymère à base de polymères modifiés avec un groupe silyle (SMP) comprenant la nouvelle combinaison d'agents stabilisants d'agent absorbant les UV oxalanilide et/ou d'agent absorbant les UV (2-hydroxyphényl)-s-triazine, et d'agent oligomère stabilisant la lumière type amine bloquée (HALS), comprenant en outre éventuellement un agent antioxydant phénolique et un diluant liquide et/ou des constituants supplémentaires.
AbstractList The invention is directed to stabilizer compositions comprising at least one oxalanilide UV absorber and/or at least one (2-hydroxyphenyl)-s-triazine UV absorber, and at least one oligomeric hindered amine light stabilizer (HALS), optionally further comprising at least one phenolic antioxidant, at least one liquid diluent and/or further components. Said stabilizer compositions are preferably used in sealants or adhesives based on silyl-modified polymers (SMP). The invention also deals with a polymer composition based on silyl-modified polymers (SMP) comprising the new stabilizer combination of oxalanilide UV absorber and/or (2-hydroxyphenyl)-s-triazine UV absorber, and oligomeric hindered amine light stabilizer (HALS), optionally further comprising phenolic antioxidant and liquid diluent and/or further components. La présente invention concerne des compositions d'agent stabilisant comprenant au moins un agent absorbant les UV oxalanilide et/ou au moins un agent absorbant les UV (2-hydroxyphényl)-s-triazine, et au moins un agent oligomère stabilisant la lumière type amine bloquée (HALS), comprenant en outre éventuellement au moins un antioxydant phénolique, au moins un diluant liquide et/ou des constituants supplémentaires. Lesdites compositions d'agent stabilisant sont préférablement utilisées dans des agents d'étanchéité ou des adhésifs à base de polymères modifiés avec un groupe silyle (SMP). L'invention concerne également une composition polymère à base de polymères modifiés avec un groupe silyle (SMP) comprenant la nouvelle combinaison d'agents stabilisants d'agent absorbant les UV oxalanilide et/ou d'agent absorbant les UV (2-hydroxyphényl)-s-triazine, et d'agent oligomère stabilisant la lumière type amine bloquée (HALS), comprenant en outre éventuellement un agent antioxydant phénolique et un diluant liquide et/ou des constituants supplémentaires.
Author DI RISIO, ANTONIO
DESRATS, JEAN-YVES
KANOUNI, MOUHCINE
BATTISTI, ANDREA
GRASSINI, DAVID PIETRO
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DocumentTitleAlternate COMPOSITION D'AGENT STABILISANT POUR AGENTS D'ETANCHEITE POLYMERES MODIFIES AVEC UN GROUPE SILYLE
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RelatedCompanies CLARIANT INTERNATIONAL LTD
OMYA DEVELOPMENT AG
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Snippet The invention is directed to stabilizer compositions comprising at least one oxalanilide UV absorber and/or at least one (2-hydroxyphenyl)-s-triazine UV...
SourceID epo
SourceType Open Access Repository
SubjectTerms ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
USE OF MATERIALS AS ADHESIVES
Title STABILIZER COMPOSITION FOR SILYL-MODIFIED POLYMER SEALANTS
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