CAS 52829-07-9 | Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate

Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate, also known as UV-770 or Chimassorb 770, is a commonly used light stabilizer. It is mainly used in polymer materials to extend their service life. The function of light stabilizers is to prevent the material from degrading under ultraviolet light, thereby maintaining its physical and chemical properties.

Properties：

1. It is a hindered amine light stabilizer, which contains multiple amino groups and triazine ring structures in its molecular structure, and can effectively absorb and neutralize free radicals caused by ultraviolet rays, thereby preventing the degradation of polymers.
2. It appears as white or light yellow powder or granules, easily soluble in organic solvents, and difficult to dissolve in water.

Uses：

1. Widely used in polyolefins, polyvinyl chloride, polystyrene, polyurethane and other engineering plastics to enhance their light resistance.
2. By adding Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate, these plastics can better resist aging and discoloration caused by ultraviolet rays when used outdoors.
3. In synthetic fiber and film materials, it helps to maintain the strength and color stability of the material and extend its service life.
4. This light stabilizer can also be added to coatings and adhesives to prevent the decomposition of the coating or adhesive under ultraviolet rays, thereby improving the durability of the product.

1. Generally safe at normal use concentrations, but appropriate safety procedures should be followed when handling and using.
2. Regarding environmental impact, although it has relatively low toxicity in the environment, its persistence means that large-scale release into the environment should be avoided.

Gnee Chemical has an efficient scientific management team, strong R&D strength, mature product quality control system and excellent after-sales service. These factors not only ensure the high quality and stability of our products, but also win the trust and support of our customers.

Company establishment time: 2021; Factory area: 3600 square meters. Company area: 800 square meters. Company staff: 200+

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