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PUREsorb 622

PUREsorb 622 is a polymerized hindered amine light stabilizer with high molecular weight, low volatility and low degradation, hardly extractable by water. PUREsorb 622 is effective as antioxidant and contributes significantly to the long-term heat stability of polyolefins and tackifier resins.

Brand: PUREsorb (12 products)

Functions: Light Stabilizer, Stabilizer

Chemical Family: Hindered Amine Light Stabilizer (HALS)

Compatible Polymers & Resins: Ethylene Vinyl Acetate (EVA), Linear Low Density Polyethylene (LLDPE) , Low-Density Polyethylene (LDPE), Polyamides, Polyethylenes (PE), Polypropylenes (PP), Polyurethanes (PU)

End Uses: Film

Synonyms: 1-(2-Hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol-dimethyl succinate copolymer, 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinethanol-dimethyl succinate copolymer, Dimethyl succinate-1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol copolymer, Dimethyl succinate-1-(2-hydroxyethyl)-4-hydroxy-2,2,6,6-tetramethylpiperidine copolymer, Dimethyl succinate-2-(4-hydroxy-2,2,6,6-tetramethyl-1-piperidyl)ethanol copolymer, Dimethyl succinate-4-hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine copolymer, Dimethyl succinate-4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol copolymer, Dimethyl succinate-4-hydroxy-2,2,6,6-tetramethyl-1-piperidylethanol copolymer, Dimethyl succinate-4-hydroxy-2,2,6,6,-tetramethyl-1-piperidineethanol

Technical Data SheetSafety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Hindered Amine Light Stabilizer (HALS)
Chemical Name
Butanedioc acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
Plastics & Elastomers Functions
Light Stabilizer,
Stabilizer
CAS No.
65447-77-0
Technologies
Plastics
Product Families
Plastics — Polymer Additives
Antioxidants & Stabilizers
Chemical Structure

PUREsorb 622 - Chemical Structure

Features & Benefits

Materials Features
Extraction Resistant,
Good Thermal Stability,
High Molecular Weight,
Low Volatility
Key Attributes

The effectiveness of PUREsorb 622 surpasses significantly that of UV absorbers, particularly in pigmented systems. Combinations of PUREsorb 622 with UV absorbers, e.g. UV range or other HALS range in many cases result in synergistic effects.

Applications & Uses

Markets
Printing & Packaging
Applications
Printing & Packaging — Packaging
Industrial & Transport Packaging
Compatible Polymers & Resins
Ethylene Vinyl Acetate (EVA),
Linear Low Density Polyethylene (LLDPE) ,
Low-Density Polyethylene (LDPE),
Polyamides,
Polyethylenes (PE),
Polypropylenes (PP),
Polyurethanes (PU)
Plastics & Elastomers End Uses
Film
Product Applications

PUREsorb 622 areas of application include polyolefins (PP, PE), olefin copolymers such as EVA as well as blends of polypropylene with elastomers. In addition PUREsorb 622 is highly effective in polyurethane, polyacetals and polyamides applications. PP Fibers (0.1-1.0%), LDPE and LLDPE Films (0.1-1.2%), HDPE and PP Tapes (0.2-0.8%), Thick sections of HDPE, LDPE, LLDPE & PP (0.15-0.5%)

Properties

Color
Yellow
Physical Form
Granules,
Solid
Appearance
Colorless to light yellowish micro granules
Physical Properties
ValueUnitsTest Method / Conditions
Melting Range50 - 70°C-
Flash Pointmin. 250°C-
Vapor Pressure2.5e-06Pa-
Specific Gravity (at 20°C)1.22g/cm3-
Bulk Density500 - 700g/l-
Solubility
ValueUnitsTest Method / Conditions
Acetone (at 20°C)4.0g/100g-
Ethyl Acetate (at 20°C)3.0g/100g-
Methanol (at 20°C)0.05g/100g-
Methylene Chloride (at 20°C)min. 40g/100g-
Chloroform (at 20°C)min. 40g/100g-
Toluene (at 20°C)15.0g/100g-
n-Hexane (at 20°C)max. 0.01g/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 dust formation and ignition sources.

Product Storage

PUREsorb 622 has to be stored in tightly sealed original container in a cool and well-ventilated area, away from direct sunlight.