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» Light Stabilizer
| 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 |
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