UV absorber UV-1130 for Automotive Coatings
Chemical Composition
Chemical Name: Poly(oxy-1,2-ethanediyl), .alpha.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1 -dimethylethyl)-4-hydroxyphenyl]-1 -oxopropyl]-.omega.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1 -dimethylethyl)-4-hydroxyphenyl]-1 -oxopropoxy]-Poly(oxy-1,2-ethanediyl), .alpha.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1 -dimethylethyl)-4-hydroxyphenyl]-1 -oxopropyl]-.omega.-hydroxyPoly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-CAS NO: 104810-48-2, 104810-47-1 25322-68-3
Molecular formula: C19H21N3O3.(C2H4O)n=6-7
Molecular weight: 637 monomer; 975 dimer
Chemical Structure
Specification
| Appearance | Light yellow transparent liquid |
| Loss on drying | ≤0.50 |
| Volatile | 0.2%max |
| Proportion(20℃) | 1.17g/cm3 |
| Boiling Point | 582.7°C at 760 mmHg |
| Flash Point | 306.2°C |
| Ash | ≤0.30 |
| Light transmittance | |
| Wave length nm | Light transmittance % |
| 460 | ≥ 97 |
| 500 | ≥ 98 |
Miscibility(g/100g solvent)20℃
Miscible with polar and nonpolar organic solvents> 50; Immiscible with water
Application
1130 for liquid UV absorbers and hindered amine light stabilizers co-used in the coatings, the general amount of 1.0 to 3.0%. This product can make to effectively keep the coating gloss, prevent cracking and produce spots, burst and surface stripping. The product can be used for organic coatings can also be used for water-soluble coating, such as automotive coatings, industrial coatings.
Storage and packing
This product should be sealed and stored in a closed, dry, dark place, avoid sunlight.
25 kg plastic bucket can also be packaged according to customer requirements.