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Light stabilizer 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
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 : 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
Main products:
Antioxidants: 1010, 1076, 168, 264, 1098, 2246, 300, 311, B102, DLTP, DSTP, B215, B225, B900
UV absorbers: UV-0, 531( BP-12) , UV-9, UV-P, 326, 327, 328, 329( 5411) , UV-T, 234, 571, 320
Light stabilizers: 622, 770, 944, 802
Fluorescent whitening agents ( Optical brightening agents) : OB, OB-1, KCB, FP-127, KS, NFW
Pigments: red 122, red 254, voilet 19, violet 23, yellow 110, yellow 138
Polymerization inhibitors: 701
Bohanchem offers plastic additives ( chemical additives) such as optical brightener ( optical brightening agent, fluorescent whitening agent) , UV absorber ( UV absorbent) , light stabilizer ( light stabilizing agent, UV stabilizer, UV stabilizing agent) , antioxidant, pigment.