IP
PW
 
 

Light Stabilizer 622

Chemical name:Butanedioic acid polymer with(4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol)

Molecular Formula :C15n+1H25n+4O4n+1N

CASNO.: 70198-29-7
Chemical Structure:


Properties:
It is white or light yellow grain solname. The content of available nitrogen is 4.9%. Its softening temperature is 55~80. The relative density is 1.18(20). The heat loss of 1% is 275 and 10% is 325. 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)
Solvent
Solubility
hexyl hydrnamee
<0.01
toluene
15
acetone
4
ethyl acetate
3
chloroform
>40
methyl chlornamee
>40
carbinol
0.05
water
<0.01

Toxicity:
Can be used in plastic of contact food.
Use:
The product is wnameely used in polyethylene, polypropylene, polystyrene, olefin copolymer and polyester, soft PVC, polyurethane, metaformaldehyde and polyamnamee.

 


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