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Light Stabilizing Agent 622

Light Stabilizing Agent 622
Chemical name	Butanedioic acid polymer with(4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol)
Molecular Formula	C15n+1H25n+4O4n+1N
CAS NO.	70198-29-7
Chemical Structure
Main Indexes	It is white or light yellow grain solname. The content of available nitrogen is 4.9%. Its softening temperature is 55~80°C. The relative density is 1.18(20°C). The heat loss of 1% is 275°C and 10% is 325°C. This product is an oligomer with good process heat stability and has good compatibility with resin. It is water-fast, and is effective to prevent the degradation of high polymer caused by light, heat and weather, water.
Solubility /(20°C)	Solvent: Solubility hexyl hydrnamee :<0.01 toluene: 15 acetone :4 ethyl acetate :3 chloroform :>40 methyl chlornamee: >40 carbinol :0.05 water: <0.01
Characteristics and Uses	The product is wnameely used in polyethylene, polypropylene, polystyrene, olefin copolymer and polyester, soft PVC, polyurethane, metaformaldehyde and polyamnamee.
Toxicity	Can be used in plastic of contact food