美国SABIC透明耐热PPO NORYL EFN4230
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Physical | Nominal Value | Unit | Test Method |
Density / Specific Gravity | 1.08 | g/cm³ | ASTM D792 |
Melt Mass-Flow Rate (MFR) (300°C/5.0 kg) | 14 | g/10 min | ASTM D1238 |
Molding Shrinkage - Flow (3.20 mm) | 0.50 to 0.70 | % | Internal Method |
Water Absorption (24 hr) | 0.070 | ASTM D570 |
Mechanical | Nominal Value | ||
Tensile Stress (Yield) | 81.0 | MPa | Internal Method |
Tensile Strain (Break) | 80 | Internal Method | |
Flexural Modulus | 2800 | ASTM D790 | |
Flexural Strength | 119 | ASTM D790 | |
Impact | Nominal Value | ||
Notched Izod Impact (23°C) | 31 | J/m | ASTM D256 |
Thermal | Nominal Value | ||
Deflection Temperature Under Load (1.8 MPa, Unannealed, 6.40mm) | 147 | °C | ASTM D648 |
PPO化学改性主要包括
(1) 对PPO的结构进行改性,如用溴化等来提高PPO的溶解性和透气性以用于膜材料,或是赋予PPO的阻燃性而用于阻燃材料;
(2) PPO的主链或端基与带官能团的小分子进行反应,赋予PPO一定的极性和反应活性,用于PPO合金的增容剂;
(3) PPO与其他高分子或小分子通过嵌段或接枝共聚获得新材料或用作PPO合金的增容剂;