The Universal Selection Source:
Polymer Additives
by SpecialChem
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Yiphos™ 3019

Distearyl pentaerythritol diphosphite. Acts as an antioxidant. Is highly effective color and molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics and engineering thermoplastics. Also contributes to the thermal and UV stability of these polymers. Provides very good color stability during processing, fabrication and end use. Exhibits polymer protection from degradation during processing. Reduces discoloration of polymers containing pigments such as TiO₂ and polymers that are stabilized with a sulfur-containing, nickel-organic complex and are processed at high temperatures. Shows synergism when used with light stabilizers such as benzophenones and benzotriazoles. Offers high performance at low loading levels for most cost effective formulations.
Product Type
  • Light Stabilizers / UV Absorbers
  • Antioxidants > Phosphites
Chemical Composition
Distearyl pentaerythritol diphosphite
CAS Number
SpecialChem additionnal informations based on CAS Number : 52829-07-9

Hansen Solubility Parameters

[16.6, 2.2, 2.6]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Yiphos™ 3019. A practical determination of these HSP values would provide higher certainty. Learn More.

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