UV Stabilizer 944 is a polymeric hindered amine light stabilizer (HALS) known for its high molecular weight, excellent extraction resistance, and low volatility. It offers long-term protection against UV degradation, particularly in polyolefins, elastomers, and engineering plastics. This stabilizer is effective in both thick-section and thin-section applications, making it widely used in outdoor and high-performance polymer applications. Also known as chimassorb@944, HALS 944. Also it carries as 70624-18-9(USA) as cas number. It generally has chemical name as N,N'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine; 2,4,6-trichloro-1,3,5-triazine; 2,4,4-trimethylpentan-2-amine Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4- diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]hexamethylene[(2,2,6,6- tetramethyl-4-piperidyl)imino]] Polymeric sterically hindered amine light stabilser.
UV Stabilizer 944 is a polymeric hindered amine light stabilizer (HALS) known for its high molecular weight, excellent extraction resistance, and low volatility. It offers long-term protection against UV degradation, particularly in polyolefins, elastomers, and engineering plastics. This stabilizer is effective in both thick-section and thin-section applications, making it widely used in outdoor and high-performance polymer applications. Also known as chimassorb@944, HALS 944. Also it carries as 70624-18-9(USA) as cas number. It generally has chemical name as N,N'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine; 2,4,6-trichloro-1,3,5-triazine; 2,4,4-trimethylpentan-2-amine Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4- diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]hexamethylene[(2,2,6,6- tetramethyl-4-piperidyl)imino]] Polymeric sterically hindered amine light stabilser.
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Industrial Chemicals
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Light Stabilizers
Polymeric Hindered Amine Light Stabilizer (HALS)
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Chemical Properties & Specifications
Enhances UV resistance in polypropylene (PP) and polyethylene (PE) products
Effective in ethylene-vinyl acetate (EVA) and blends of polypropylene with elastomers
Applicable in polyacetals, polyamides, polyurethanes, flexible and rigid PVC, and certain styrenic elastomers
Used in adhesives and coatings requiring UV stability
Provides UV stability in adhesives, coatings, and specialty resins
Protects automotive components, outdoor furniture, and agricultural films from UV degradation
It acts as a hindered amine light stabilizer, protecting polymers from UV-induced degradation.
It is suitable for polyolefins, polyurethanes, polyamides, polyesters, and various engineering plastics.
Concentrations typically range between 0.1% and 1.0%, depending on the substrate and application.
Due to its low volatility and excellent compatibility, it does not adversely affect polymer processing.
No, due to its low volatility and excellent compatibility, it does not negatively impact processing conditions.
It is FDA-approved for select food-contact uses, but verification with regulations is required for specific applications.
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