2024.08 Innovative technology breakthrough: Application of twin-screw extruder in PEEK material production

Innovative technology breakthrough: Application of twin-screw extruder in PEEK material production

With the continuous progress of materials science and engineering technology, a high-performance engineering plastic called polyether ether ketone (PEEK) is gradually becoming the darling of the industry. PEEK is known for its excellent mechanical properties, chemical resistance, heat resistance and wear resistance, and is widely used in aerospace, automotive manufacturing, medical devices and electronic and electrical fields.

PEEK is a semi-crystalline, high-performance polymer with excellent thermal stability and mechanical strength. Its ability to maintain its physical properties at temperatures up to 250 degrees Celsius makes PEEK ideal for manufacturing high-performance components.

PEEK materials have a wide range of applications, including but not limited to:

1. Aerospace: Used to make components that are lightweight and resistant to high temperatures.
2. Automotive industry: For the manufacture of engine components and electrical systems.
3. Medical devices: Used in the manufacture of implants and surgical tools due to their biocompatibility.
4. Electronic and electrical: used in the manufacture of high temperature resistant insulation materials and connectors.

The processing temperature of PEEK is usually between 350°C and 400°C, which requires that the processing equipment must have precise temperature control capabilities to ensure that the performance of the material is not damaged during processing.

Twin-screw extruder is the key equipment of PEEK material granulation. Its working principle is based on two meshing screws, which rotate in the extruder barrel to evenly mix, melt, transport, and finally extrude the PEEK raw material through the mold into the desired shape of particles.

Raw material delivery: The rotation of the screw will evenly feed PEEK raw materials into the extruder.

1. Melt mixing: In the heating area, PEEK raw material begins to melt under the action of heat, and is fully mixed under the push of the screw.
2. Pressure build up: As the screw advances further, the molten PEEK material builds up pressure inside the barrel.
3. Filtration and homogenization: The melt is passed through a filter to remove impurities and further homogenize.
4. Pelletizing: The melt passes through a mold and forms particles of a specific shape, which are then cooled and collected.

Through this efficient production process, the twin-screw extruder can not only ensure the high quality of PEEK materials, but also improve production efficiency and reduce costs. With the continuous progress of technology, the application prospect of twin-screw extruder in PEEK material production will be broader.

With the growing global demand for high-performance materials, the application of twin-screw extruders in the production of PEEK materials will become an important force to promote industrial development. We look forward to this technology revolutionizing more industries and contributing to the advancement of materials science worldwide."