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Benzotriazole Based Ultraviolet Absorbers

PowerSorb™ 1130

Mix.α-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4hydroxyphenyl]-1-oxopropyl]-ω-hydroxypoly(oxo-1,2-ethanediyl);α-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl] poly(oxy-1,2-ethanediyl);Polyethyleneglycol 300.
Chemical Structure
Introduction / Features
PowerSorb™ 1130 is a liquid UV absorber of the hydroxyphenyl-benzotriazole class specifically developed for coatings. It dissolves in most common solvents and is soluble in waterborne systems.
Physical Properties
Chemical Name: Mix.α-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4hydroxyphenyl]-1-oxopropyl]-ω-hydroxypoly(oxo-1,2-ethanediyl);α-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl] poly(oxy-1,2-ethanediyl); Polyethyleneglycol 300
CAS No.: 104810-48-2; 104810-47-1; 5322-68-3
EINECS No.: -
Formula: C31-33H46-50N3O9-10; C50-52H64-68N6O11-12; HO(C2H4O)n H, n=6-7
Molecular Weight: 584
Melting Point(°C): 73-77
Density[20°C, g/cm3]: 1.17
Viscosity[20°C, mPs.s]: 7400
Color of Solution 460nm (%): Min.95
Color of Solution 500nm (%): Min.97
Appearance: Yellow to light amber viscous liquid
Concentration: Max.0.1
Min. Purity: 50 ± 4%, 104810-48-2; 38 ± 3%, 104810-47-1; 12 ± 1.5%, 5322-68-3

Solubility (20°C) % w/w
Butylcarbitol: >50
Butanol: >50
Butyl Acetate: >50
Ethyl Glycol: >50
Hexane Dioldiacrylate: >50
MEK: >50
Trimethylol propane triacrylate: >50
Xylene: >50
Water: <0.01

Applications
PowerSorb™ 1130 is especially suitable for industrial and automotive coatings with its high temperature and extraction resistance.
PowerSorb™ 1130 also provides efficient protection to light sensitive substrates, such as wood and plastics due to its broad UV absorption,. PowerSorb™ 1130 is used with HALS in plastics and coatings to protect water and solvent based coatings. The amount required for optimal performance should be determined in trials covering a concentration range.
Packings
PowerSorb™ 1130 is supplied in net weight 25kg fiber drum with PE liner.
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