Anti-static glass fiber reinforced AS composition and preparation method thereof

Abstract

The invention provides an anti-static glass fiber reinforced AS composition and a preparation method thereof. The composition is prepared from the following components in percentage by weight: 59-88% of AS resin, 10-30% of glass fibers, 0.8-10% of a compatilizer, 0.1-1% of a coupling agent, 10-15% of an anti-static agent and 0.1-3% of auxiliaries, wherein the compatilizer is polymethylmethacrylate and the coupling agent is a silane coupling agent. As the matrix is the AS resin, the composition has the advantages of excellent performance, low cost, simple preparation process and the like. By using PMMA as the compatilizer, not only is the binding force between the glass fibers and the AS resin enhanced, but also the composition is suitable for enhancing a fiber and resin composite material system with similar properties.

Description

technical field [0001] The invention belongs to the field of modified plastics, and in particular relates to an antistatic glass fiber reinforced AS composition and a preparation method thereof. Background technique [0002] Acrylonitrile-styrene resin, namely AS resin, is a kind of thermoplastic made by copolymerization of styrene (St) and acrylonitrile (AN) as raw materials. AS resin has excellent performance and excellent Dimensional stability, electrical properties, wear resistance, chemical resistance, dyeability, molding processing and mechanical processing are good, and it is an important engineering plastic. [0003] Glass fiber reinforced plastics have the advantages of high specific strength, corrosion resistance, heat insulation, and low molding shrinkage. Using glass fiber reinforcement can greatly improve the tensile properties of plastics. Adding glass fiber to AS resin can enhance the strength and thermal deformation resistance of AS resin, and can also reduc...

AI Technical Summary

Problems solved by technology

The compound increases the Vicat softening temperature, but the flexural modulus is too low, only 5000MPa; and due to the addition of a large amount of ABS and SMA, the manufacturing cost increases

In Chinese patents CN1362443A and CN1352212A, methacrylic acid-butadiene-styrene copolymer (MBS), AS, SMA, ABS and glass fiber are used as raw materials to blend the AS compound, but it increases the glass fiber The impregnation step, process complexity and cost further provide

In addition, the Chinese patent CN201110138482 uses AS, glass fiber, and coupling agent as raw materials, and by adjusting the screw combination, a reinforced AS composite material with a relatively uniform density is prepared, but the tensile strength of the prepared composite material is 100-110MPa, and the impact strength At 5.5-6.5kJ / m 2 , the performance is also lower

[0008] Moreover, because AS material is a poor conductor of electricity, it is easy to accumulate static charge during processing and use. When the static charge accumulates to a certain extent, static electricity will cause the material to absorb dust, cause material damage, and may also generate static spark discharge, causing The chemical product warehouse exploded and caught fire, causing major personal accidents

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