Tetraphenyl dipropyleneglycol diphosphite CAS 80584-85-6
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Product Description
Product Details
Introduction
Tetraphenyl dipropyleneglycol diphosphite is a high-phosphorus aryl alkyl phosphite antioxidant, widely used in polyurethane, resin synthesis, PVC, ABS and other fields, and can provide excellent thermal stability and color improvement.
Technical Index
| Item | Standards |
| Appearance | Colorless or light yellow viscous transparent liquid |
| Color(APHA,20% Ethanol) | 50 Max |
| Density (25℃, g/cm3) | 1.164-1.190 |
| Refractive index @ 25 ℃ /D | 1.5570-1.5620 |
Application
As an efficient auxiliary stabilizer and chelating agent used in hard and soft PVC materials, it provides brighter and more uniform colors, increases transparency, and improves the thermal stability of PVC. It can improve the thermal stability and long-term stability of polyurethane products, effectively improve the core burning problem caused by high temperature during the polyurethane foaming process, and has a good inhibitory effect on phenol yellowing and gas fumigation (NOX) yellowing of polyurethane products. Recommended addition amount: 0.1~2.0%
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