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With China Plastic Machinery
With China Plastic Machinery
PPE plastic, or polyphenylene ether, is a transparent engineering plastic that is non-toxic. As a non-crystalline copolymer, it exhibits excellent heat resistance, water resistance, excellent mechanical properties and dimensional stability. However, despite these advantages, PPE plastic has obvious shortcomings in molding and processing. Its high melt viscosity makes processing difficult, and these shortcomings limit the application scope of PPE plastic in many fields.
In order to improve its processing performance, researchers have adopted a variety of methods to modify PPE. Among them, the most common method is to add other components to PPE, such as high-impact polystyrene (HIPS) and PA, to form a composite material. The modified polyphenylene ether product (MPPE) not only retains the original excellent properties, but also significantly improves its strength and toughness, and improves processing performance. Therefore, MPPE has been widely used in many industries such as electronics, electrical appliances, and automobiles.
Chinese Name: Polyphenylene Ether, Polyphenylene Ether
Typical Applications
Household Goods (Dishwasher, Washing Machine, etc.), Electrical Equipment (Controller Housing, Optical Fiber Connector)
Information
Injection Mold Processing Conditions
Drying Treatment: It is recommended to dry for 2-4 hours at 100 degrees before molding.
Melting Temperature: 240-320 degrees
Mold Temperature: 60-105 degrees
Injection Pressure: 600-1500 Bar
Runner and Gate: All types of gates can be used, especially handle gates and fan gates.
Chemical and Physical Properties
Generally, commercially available PPE or PPO materials are generally mixed with other thermoplastic materials (such as PS, PA, etc.). These mixed materials are generally still referred to as PPE or PPO. Mixed PPE or PPO has more processing characteristics than pure materials. The change in characteristics depends on the ratio of the mixture, such as PPO and PS. The mixed material mixed with PA66 has stronger chemical stability at high temperatures. This material has low hygroscopicity and its products have excellent geometric stability. The material mixed with PS is non-crystalline, while the material mixed with PA is non-crystalline. Adding glass fiber additives can reduce the shrinkage to 0.2%. This material also has excellent insulation properties and a very low thermal expansion coefficient. Its viscosity depends on the ratio of the mixture in the material. An increase in the ratio of PPO will lead to an increase in viscosity. Based on the above factors, PPE is also a modified engineering plastic.
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