Light Stabilizer 770
Chemical name: bis-(2,2,6,6-tetramethyl -4-piperidinol) sebacate
CAS No.:52829-07-9
Molecular weight:480.73
Molecular formula:C28H52O4N2
Product Description:
This product is a new generation of polymeric high molecular weight hindered amine light stabilizer. It has excellent thermal processing stability, good compatibility with resin, good water extraction resistance, low volatility and migration. Compared with general low molecular weight hindered amine light stabilizers, it has excellent long-term photoaging properties.
Physical Properties:
Appearance: | white or yellowish crystalline powder | Content: | ≥99% |
melting point: | 81-85℃ | Grey: | ≤0.1% |
Transmittance: | 425nm≥95% 500nm≥97% | volatiles: | ≤0.2%(105℃,2hr) |
Solubility:
Water | X | Benzene | √ |
chloroform | √ | methanol | √ |
Ethanol | √ | ether | √ |
Use:
This product can be used for polypropylene, polyethylene, polystyrene and ABS resin, etc., and also for polyurethane, polyoxymethylene and polyester Elastomer. It has a synergistic effect with antioxidants and ultraviolet absorbers, which can further improve the heat resistance and light aging resistance of products.
Package:
20kg cardboard box lined with plastic bag, or as customer's request.
Shandong Jihesheng New Materials Co., Ltd