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Hindered Amine Light Stabilizers(HALS)

PowerStab™ 144

Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate.
Chemical Structure
Introduction / Features
PowerStab™ 144 is one of hindered amine light stabilizers (HALS), which protect against ultraviolet radiation. It has good solubility and good compatibility, high temperature and ambient temperature
Physical Properties
Chemical Name: Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate
CAS No.: 63843-89-0
EINECS No.: 264-513-3
Formula: C42H72N2O5
Molecular Weight: 146-150
Average Particle Size: 1 mm
Melting Point(°C): 115-150
Boiling Point(°C): Min.300
Volatiles (%): Max.0.5
Color of Solution 425nm (%): Min.95
Color of Solution 500nm (%): Min.97
Appearance: White to slightly yellow powder
Min. Purity: 98%

Solubility (20°C) % w/w
MEK: 9
Butanol: 2.5
Butylacetate: 10
Xylene: 10
Water: <0.01

Applications
PowerStab™ 144 is especially suitable for systems that require high temperature curing powder coatings and coil coatings, automotive coatings.
PowerStab™ 144 has a hindered phenol type of anti-oxidant moiety, which provides the light stabilizer an extended life.
PowerStab™ 144 is highly effective in reducing coating defects like cracking and gloss loss.
Packings
PowerStab™ 144 is supplied in net weight 20kg fiber drum with PE liner.
Technical Library
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