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

An antistatic and composition technology, applied in the field of glass fiber reinforced AS composition and its preparation, can solve the problems of increasing glass fiber dipping treatment steps, low flexural modulus, electrostatic spark discharge, etc., and achieves good antistatic effect and improved Mechanical properties, the effect of enhancing bond strength

Inactive Publication Date: 2015-04-08
TIANJIN KINGFA NEW MATERIAL
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  • Abstract
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  • Claims
  • Application Information

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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...

Method used

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

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Embodiment Construction

[0036] The present invention provides embodiment 1-6 and comparative example 1-6, and the preparation method of embodiment and comparative example is identical, and concrete steps are as follows:

[0037] S1. Weigh the AS resin, compatibilizer, coupling agent, antistatic agent and auxiliary agent in each embodiment or each comparative example respectively by the weight percentage listed in the following table 1, each embodiment or each comparative example Put the above components in a high mixer and mix for 1-3 minutes to obtain a uniformly mixed premix;

[0038] S2. Put the premix into the main feeding port of the twin-screw extruder, and add the weight percentage shown in the following table 1 from the side feeding port to weigh the glass fiber corresponding to each embodiment or each comparative example, Carrying out melt extrusion, granulation and drying to obtain antistatic glass fiber reinforced AS composition;

[0039]S3. The antistatic glass fiber-reinforced AS compos...

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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...

Claims

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Application Information

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IPC IPC(8): C08L25/12C08L33/12C08L71/00C08K13/04C08K7/14C08K5/5435C08K5/544B29C47/92B29C48/92
Inventor 肖华明陈国雄付锦锋王扬利李东陶四平
Owner TIANJIN KINGFA NEW MATERIAL
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