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WESTON™ TDP
Trialkyl phosphite ester antioxidant that functions as a secondary stabilizer in a variety of polymers that do not require food contact.
Fulfilled By ChemPoint
- Manufacturer: SI Group
- Product Line: SI Group Phosphite Antioxidants
- Product: WESTON™ Liquid Phosphite Ester Antioxidants
- Industries: Adhesives | Elastomers | Metal Processing & Fabrication | Plastics | Silicones
- Authorized Countries: Canada | Mexico | United States
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Overview
WESTON™ TDP is a trialkyl phosphite ester antioxidant that acts as a peroxide scavenger, providing color and processing stability in a variety of polymers and other materials such as coatings and lubricants.
WESTONTM TDP phosphite ester antioxidant is also excellent for use in ABS, polyethylene terephthalate, PET fibers, PVC, polycarbonate, and polyurethane formulations.
Specifications
Appearance: Clear liquid
Specific Gravity @ 25 °C: 0.884-0.984
Acid Number: 0.05 mg KOH/g
Refractive Index @ 25 °C: 1.4530-1.4610
Phosphorus Content: 6.2%
Color (APHA, Pt/Co): 50 max
Molecular Weight: 502 g/mol
Flash Point (Closed Cup): 160 °C
Viscosity @ 38 °C: 11.6 cps
Density @ 25 °C: 0.89 g/mL
Vapor Pressure @ 5 mm Hg: 180 °C
Soluble: Most common aprotic organic solvents
Primary Chemistry: Triisodecyl Phosphite
Features & Benefits
Effective in a variety of materials including coatings and lubricants
Secondary stabilizer for use in polyurethane systems
Zero phenol phosphite antioxidant for use in polyester foams
Problems Solved
Peroxide degradation of non-food polymers and formulations
Color and heat stability issues in paints, coatings, and lubricants
Applications
Polyols and polyurethane systems
Polyester flexible foams
ABS, polyethylene terephthalate, PVC, and polycarbonate systems
PET fibers
Related Chemistries
Plastics
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Silicones
Related Functions
Adhesives
Related Processes
Elastomers
SI Group Phosphite Antioxidants Articles
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Antioxidant and UV Stabilizers for TPO Membranes
The SI Group's extensive portfolio of specialty antioxidants and UV stabilizers holds the solution to your TPO roof membrane formulating challenges.
SI Group WESTON™ Phosphite Antioxidants
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.
Stabilization and Processing of Recycled Plastics
Compounders and recyclers face multiple challenges with the stabilization and processing of recycled plastics. Learn more and explore our solutions
SI Group Antioxidant Solutions for Polyurethanes (PUR)
SI Group offers one of the world’s largest stabilizer technology platforms for polyol and polyurethane applications.
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