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WESTON™ DPDP
WESTON™ DPDP is an alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals.
WESTON™ DPDP is an alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polycarbonate, polyurethanes, ABS polymers, and coatings. It also functions as a secondary antioxidant in PVC.
Specifications
Form: Liquid Color: Clear CAS number: 26544-23-0 Specific gravity @ 25°C: 1.022–1.032 Acid number: 0.05 mg KOH/g Refractive index @ 25°C: 1.5160–1.5190 Phosphorus content: 8.3% Color (APHA, Pt-Co): 50 max Molecular weight: 374 g/mol Flash point (closed cup): 154°C Viscosity @ 38°C: 10.3 cps Density @ 25°C: 1.03 g/mL Vapor pressure @ 5 mm Hg: 170°C Soluble: Most common aprotic organic solvents
Primary Chemistry: Diphenyl isodecyl phosphite
Features & Benefits
Can function as both a primary and a secondary antioxidant
Problems Solved
Staining or coloring issues in plastics for non-food applications Limited flexibility of phosphite antioxidants for use as primary or secondary antioxidants
Applications
Automotive Commercial vehicle components Consumer goods Outdoor recreational products Agriculture tools Packaging products Building and construction
The portfolio of WESTON™ liquid phosphite antioxidants offers excellent synergism, improved color, and processing stability and offers a variety of food contact approvals depending on your plastic applications.
The SI Group portfolio of WESTON™ phosphite antioxidants protects plastics and elastomers from peroxide decomposers and offers excellent synergism with primary antioxidants, such as hindered phenols.
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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