With the continuous advancement of technology, plastic modification technology has become an important direction for the development of the plastic industry. PBT (polybutylene terephthalate) is a common engineering plastic that has excellent mechanical properties, heat resistance, chemical corrosion resistance, and electrical performance. However, pure PBT also has some shortcomings, such as lower toughness and notch sensitivity. To improve these issues,High-pressure gas PBT modified plasticit has emerged. This article will detail the performance, preparation methods, and applications of high-pressure gas PBT modified plastic in various fields.

1. Performance of high-pressure gas PBT modified plastic

The main performance characteristics of high-pressure gas PBT modified plastic include:

Improved toughness: By adding components such as elastomers and rubber,High-pressure gas PBT modified plasticthe toughness has been significantly improved, overcoming the brittleness of pure PBT.

Reduced notch sensitivity: Through special structural design, high-pressure gas PBT modified plastic can effectively reduce notch sensitivity and improve the material's impact resistance.

Enhanced thermal stability: After high-temperature treatment, the thermal stability of high-pressure gas PBT modified plastic has been significantly improved, making it suitable for long-term use in high-temperature environments.

Excellent processing performance:High-pressure gas PBT modified plasticit has good processing performance and can be processed and molded at high temperatures, improving production efficiency.

Environmental performance: Compared to other plastics, high-pressure gas PBT modified plastic has better biodegradability, which is beneficial for environmental protection.

2. Preparation of high-pressure gas PBT modified plastic

The preparation of high-pressure gas PBT modified plastic mainly includes the following steps:

Ingredient mixing: According to the required performance specifications, mix raw materials such as PBT, elastomers, rubber, and additives in a certain proportion.

Stirring: Stir the mixed raw materials to ensure even dispersion of all components.

Melt blending: Melt blend the stirred raw materials at high temperatures to achieve uniform dispersion of all components.

Cooling: Cool the melt-blended raw materials to room temperature to obtain high-pressure gas PBT modified plastic.

Processing: As needed,High-pressure gas PBT modified plasticprocess into shapes such as injection molding, extrusion, blow molding, etc.

3. Application fields of high-pressure gas PBT modified plastic

Due to its excellent performance and wide applicability, high-pressure gas PBT modified plastic is widely used in the following fields:

Automotive industry: High-pressure gas PBT modified plastic can be used to manufacture automotive parts such as interior and exterior trim pieces and engine peripheral components, offering advantages like lightweight and energy saving.

Electronics and electrical appliances: High-pressure gas PBT modified plastic can be used to manufacture electronic and electrical components such as connectors, terminals, and coil frames, with excellent electrical properties and high-temperature resistance.

Medical devices: High-pressure gas PBT modified plastic can be used to manufacture medical device components such as catheters and implants, with biocompatibility and good corrosion resistance.

Logistics and storage: High-pressure gas PBT modified plastic can be used to manufacture logistics storage equipment such as pallets and shelves, with advantages like impact resistance, corrosion resistance, and environmental friendliness.

Home appliances: High-pressure gas PBT modified plastic can be used to manufacture components for home appliances such as washing machines and refrigerators' interior parts and structural components, featuring aesthetics, durability, and environmental friendliness.

4. Conclusion

High-pressure gas PBT modified plastic is an engineering plastic with excellent performance. By adding components such as elastomers and rubber, it improves the toughness and notch sensitivity of pure PBT. This material has a wide range of applications including automotive industry, electronics and electrical appliances, medical devices, logistics storage, and home appliances. With continuous technological advancement and increasing market demand, high-pressure gas PBT modified plastic will have greater development space and application prospects in the future.