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PUREsorb 770

PUREsorb 770 is a low molecular weight hindered amine light stabilizer (HALS). It is a highly effective radical scavenger that protects organic polymers against degradation caused by exposure to ultraviolet radiation.

Brand: PUREsorb (12 products)

Functions: Light Stabilizer, Stabilizer

Chemical Family: Hindered Amine Light Stabilizer (HALS)

Compatible Polymers & Resins: Acrylonitrile Butadiene Styrene (ABS), Acrylonitrile Styrene Acrylate (ASA), Polyamides, Polypropylenes (PP), Polystyrenes (PS), Polyurethanes (PU), Styrene Acrylonitrile (SAN)

End Uses: Film

Synonyms: UV-770

Technical Data SheetSafety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Hindered Amine Light Stabilizer (HALS)
Chemical Name
Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
Plastics & Elastomers Functions
Light Stabilizer,
Stabilizer
CAS No.
52829-07-9
EC No.
258-207-9
Technologies
Plastics
Product Families
Plastics — Polymer Additives
Antioxidants & Stabilizers
Chemical Structure

PUREsorb 770 - Chemical Structure

Features & Benefits

Materials Features
Highly Efficient,
Low Molecular Weight
Key Attributes

PUREsorb 770 is a highly effective a light stabilizer which makes it well suitable for applications in both thick section and films, independent of the thickness of the articles.

Applications & Uses

Markets
Adhesives & Sealants,
Printing & Packaging
Applications
Printing & Packaging — Packaging
Industrial & Transport Packaging,
Non-Food Consumer Packaging
Adhesives & Sealants — Packaging & Paper
Tape & Label Adhesives
Printing & Packaging — Tapes, Labels & Adhesives
Tapes & Labels
Compatible Polymers & Resins
Acrylonitrile Butadiene Styrene (ABS),
Acrylonitrile Styrene Acrylate (ASA),
Polyamides,
Polypropylenes (PP),
Polystyrenes (PS),
Polyurethanes (PU),
Styrene Acrylonitrile (SAN)
Plastics & Elastomers End Uses
Film
Product Applications

PUREsorb 770 is widely used in a variety of applications including polypropylene, polystyrene, polyurethanes, ABS, SAN, ASA, polyamides and polyacetals. Combined with other HALS products such as PUREsorb 944, PUREsorb 770 displays strong synergistic effects. The recommended dosing of PUREsorb 770 range from 0.1 % and 1.0%, depending on the substrate, processing conditions and application.

Properties

Color
White
Physical Form
Granules,
Solid
Appearance
White crystalline granules
Physical Properties
ValueUnitsTest Method / Conditions
Melting Range81 - 85°C-
Flash Pointmin. 150°C-
Volatility (at 105°C, 2hrs)max. 0.2%-
Vapor Pressure1000000.0Pa-
Bulk Density470 - 510g/l-
Solubility
ValueUnitsTest Method / Conditions
Acetone (at 20°C)19.0g/100g-
Ethyl Acetate (at 20°C)24.0g/100g-
Methanol (at 20°C)38.0g/100g-
Methylene Chloride (at 20°C)56.0g/100g-
Chloroform (at 20°C)45.0g/100g-
Benzene (at 20°C)46.0g/100g-
n-Hexane (at 20°C)5.0g/100g-
Water (at 20°C)max. 0.01g/100g-

Storage & Handling

Product Handling

In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Avoid contact with eyes. void dust formation and ignition sources.

Product Storage

PUREsorb 770 has to be stored in tightly sealed original container in a cool and well-ventilated area, away from direct sunlight.