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Chimassorb® 944 LD

Technical Datasheet | Supplied by BASF
Chimassorb® 944 LD by BASF is poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidinyl)imino]-1,6 hexanediyl[(2,2,6,6-tetramethyl-4-piperidinyl)imino]]). It is a high molecular weight oligomeric hindered amine light stabilizer (HALS) and heat stabilizer. Shows excellent compatibility, good resistance to extraction and low volatility. Imparts excellent light stability to thin articles, particularly fibers and films. In thick cross sections it is specifically suitable for polyethylene articles. Chimassorb® 944 LD is highly effective as a long-term thermal stabilizer in thin and thick articles and shows good extraction resistance. Its areas of application include polyolefins (PP, PE), olefin copolymers such as EVA as well as blends of polypropylene with elastomers. In addition in certain instances Chimassorb® 944 LD is highly effective in polyacetals, polyamides, polyurethanes, flexible and rigid PVC as well as PVC blends and in certain styrenic elastomer. Its recommended dosage is 0.05-1.4%.
Product Type
  • Heat Stabilizers
  • Light Stabilizers / UV Absorbers > HALS, Hindered Amines
Chemical Composition
Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6- tetramethyl-4-piperidinyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4- piperidinyl)imino]])
CAS Number
71878-19-8
Physical Form
Powder
Appearance
Low dust
Product Status
COMMERCIAL
Applications/ Recommended for
  • PA, Nylon
  • PVC > PVC, rigid
  • PE
  • PP
  • PVC > PVC, flexible
  • Other Thermoplastic > POM (Polyacetal)
  • Fibers/ Textiles/ Carpets > Fibers
  • Safety, regulation & environment > Low volatiles

Chimassorb® 944 LD Properties

Property

Value & Unit
Test Condition
Test Method
Melting Point
100 - 135 °C
Flash Point
> 150 °C
ASTM D93
Specific Gravity
1.01 g/cm3
(At 20°C)

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