Whisker reinforced resin composite material and preparing method thereof

Abstract

The invention provides a whisker reinforced resin composite material and a preparing method thereof. The whisker reinforced resin composite material is prepared from, by weight, 73-88 parts of PC / ABS mixed resin, 5-20 parts of magnesium carbonate whiskers, 0.1-0.14 part of coupling agent, 2-4 parts of compatilizer, 0.2-0.3 part of antioxidant and 0.2-0.4 part of lubricant. The preparing method includes the steps that the magnesium carbonate whiskers are soaked in the coupling agent, and then the PC / ABS resin and the magnesium carbonate whiskers are dried; other additives except the magnesium carbonate whiskers are evenly mixed with the PC / ABS resin, and then the mixture and the magnesium carbonate whiskers are extruded through a screw extruder for granulation to obtain the magnesium carbonate whisker reinforced PC / ABS resin material. As the inorganic mineral magnesium carbonate whiskers are adopted as the reinforcing additive, damage to a mold is reduced, and the highlight effect can be achieved.

Description

technical field [0001] The invention belongs to the field of high molecular resin materials, and in particular relates to a whisker-reinforced resin composite material suitable for electric appliance shells and a preparation method thereof. Background technique [0002] PC+ABS+GF material, that is, glass fiber reinforced PC / ABS alloy, has the advantages of high flexural modulus, low linear expansion coefficient, and the ability to achieve high-gloss effects, and is widely used in electrical casings, especially for all-in-one TVs front shell. However, due to the existence of glass fiber in the material, the mold needs to be continuously polished and maintained, which may easily cause mold deformation, reduce the appearance quality of the injection molded product, and produce floating fibers. [0003] Fiberglass is a cylindrical structure, such as figure 1 As shown, the general particle size is about 80μm, and the length is about 5-10mm. During the injection molding process,...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical problems that the existing glass fiber reinforced PC / ABS alloy material is easy to cause mold surface damage and floating fibers during the injection molding process, the present invention particularly relates to a whisker-reinforced resin composite material suitable for electrical housings. Materials and their preparation methods

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