Light stabilizer 770
This product is a new generation of polymeric high-molecular-weight hindered amine light stabilizer. It has excellent processing thermal stability, good compatibility with resins, good water extraction resistance, and low volatility and migration. Compared with general low-molecular-weight hindered amine light stabilizers, it has excellent long-term anti-photoaging properties.
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Light stabilizer 770
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This product is a new generation of polymeric high-molecular-weight hindered amine light stabilizer. It has excellent processing thermal stability, good compatibility with resins, good water extraction resistance, and low volatility and migration. Compared with general low-molecular-weight hindered amine light stabilizers, it has excellent long-term anti-photoaging properties.
Light Stabilizer 770
Chemical Name : Bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate
| Molecular Formula |
C 28 H 52 O 4 N 2
|
|
| Molecular Weight |
480.73
|
|
| CAS# |
52829-07-9
|
Product Description: This product is a new generation of polymeric high molecular weight hindered amine light stabilizer. It has excellent processing thermal stability, good compatibility with resins, good water extraction resistance, low volatility and migration. Compared with general low molecular weight hindered amine light stabilizers, it has excellent long-lasting anti-light aging properties.
Physical Properties:
| Appearance : | White or slightly yellow crystalline powder |
Content :
|
≥99% |
| Melting Point : | 81-85℃ | Ash: | ≤0.1% |
| Transmittance : | 425nm≥95% 500nm≥97% | Volatile Matter: |
≤0.2%(105℃,2hr)
|
Solubility:
| Water | X |
Benzene
|
√ |
|
Chloroform
|
√
|
Methanol
|
√ |
|
Ethanol
|
√ |
Ether
|
√ |
Uses: This product can be used in polypropylene, polyethylene, polystyrene and ABS resins, and can also be used in polyurethane, polyformaldehyde and polyester elastomers. Synergistic effects are obtained when used with antioxidants and UV absorbers, which can further improve the heat resistance and light aging resistance of the products.
Packaging: 20kg cardboard box with plastic bag liner, or according to customer requirements.
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This product is a white or pale yellow powder, soluble in organic solvents such as acetone, benzene, and chloroform, with a relative density of 1.01 (20℃) and a weight loss of 1% at 300℃. The effective nitrogen content is 4.6%.
This product is a new generation of polymeric high-molecular-weight hindered amine light stabilizer. It has excellent processing thermal stability, good compatibility with resins, good water extraction resistance, and low volatility and migration. Compared with general low-molecular-weight hindered amine light stabilizers, it has excellent long-term anti-photoaging properties.
This product is an odorless, tasteless, white or slightly yellow powder solid, soluble in organic solvents such as toluene, xylene, chloroform, and tetrahydrofuran, but insoluble in water, methanol, and hexane. It has a softening temperature of 55-85 degrees Celsius, a nitrogen content of approximately 4.9%, and a thermal weight loss starting temperature of 275 degrees Celsius.
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