The third purpose of blending and modifying plastic extrusion materials

The third purpose of blending and modifying plastic extrusion materials is to give plastics certain special properties and prepare new plastic alloy materials.

Preparing flame-retardant plastic alloys can be blended with halogen-containing flame-resistant polymers. For example, adding PS, ABS, polyformaldehyde, etc. to PVC, chlorinated PE, polyphenylene ether, and polyphenylene sulfide can improve its flame resistance. Plastics have low conductivity. For some materials that require conductivity and anti-static, they can be blended with conductive polymers to produce plastic materials with anti-static, conductive and electromagnetic shielding functions to meet the needs of electronics, home appliances, communications, military and other industries. requirements.

In order to prepare decorative plastics with pearlescent luster, different polymers with greatly different optical properties can be blended. For example, by adding polymethyl methacrylate to PC, products with pearlescent luster can be obtained. Taking advantage of the lubricity of silicone resin, polymer materials with good self-lubricating properties can be obtained by blending with many polymers.

By blending two resins with very different tensile strengths and poor miscibility and then foaming them, they can be made into multi-layered, porous materials with beautiful natural wood grains and can be used as substitutes for wood.

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