Polyphenylene Oxide（PPO） CAS#31533-76-3
High-Performance Engineering Plastic – PPO (polyphenylene oxide) is recognized as one of the world’s five major general-purpose engineering plastics, offering excellent industrial value.
Advanced Aromatic Polyether Structure – It is an aromatic polyether resin with a stable molecular backbone, providing strong and reliable material performance.
Specialized Polymerization Process – PPO is produced via oxidative coupling polymerization of 2,6-dimethylphenol using a copper salt–amine catalyst system, ensuring controlled synthesis and quality.
Versatile Physical Form – It typically appears as a yellowish-brown powder or white granules, making it suitable for various processing and application requirements.
Products Description of PPO (Polyphenylene Oxide)
PPO plastic (polyphenylene oxide), also known as polyphenylene ether (PPE), is an aromatic polyether resin and is recognized as one of the world’s five major general-purpose engineering plastics.
Its chemical name is poly(2,6-dimethyl-1,4-phenylene ether). It is produced through oxidative coupling polymerization of 2,6-dimethylphenol under the action of a copper salt and amine complex catalyst system.
The material typically appears as a yellowish-brown powder or white granules (white powder form).
| English Name | polyphenyl ether |
| English Synonyms | Pentaphenyl ether;POLYPHENYL ETHER (5 RINGS) OS-124, STAT. PHASE FOR GC;bis(phenoxyphenoxy)benz ene, mixed isomers;polyphenyl ether (5 rings);Polyphenyl ether (5 rings) OS-124;Bis(phenoxyphenoxy)benz ene;5P4E;Convalex 10 |
| CAS Number | 31533-76-3 |
| Molecular Formula | C30H2204 |
| Molecular Weight | 0 |
| EINECS Number | 250-685-7 |
| Boiling point | 270-280 °C(Press: 0.1 Torr) |
| Flash point | 200°C |
Product Application of PPO (Polyphenylene Oxide)
PPO and its modified materials are widely applied in electronics, automotive, machinery manufacturing, medical devices, water treatment, and 5G communications, including components such as radomes, phase shifters, and high-frequency circuit boards.
In the electronics and automotive sectors, it is used in the production of connectors, instrument panels, gears, water pump parts, and battery pack assemblies.
