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Method for preparing long fiber reinforced ABS composite material

A composite material and long glass fiber technology, which is used in the preparation of high-performance long glass fiber reinforced thermoplastic composite materials and the preparation of long glass fiber reinforced ABS composite materials by a suspension impregnation method, can solve the problems of long time consumption, high energy consumption and cumbersome procedures. and other problems, to achieve the effect of reducing processes, low energy consumption, and reducing costs

Inactive Publication Date: 2008-02-13
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation of glass fiber reinforced ABS composite materials by melt impregnation method uses polymer ABS as raw material, which needs to go through the process of blending SAN and grafted rubber, which has the disadvantages of cumbersome process, long time consumption and high energy consumption.

Method used

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  • Method for preparing long fiber reinforced ABS composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] With reference to accompanying drawing 1, the intermediate butadiene graft emulsion of ABS and SAN resin powder are mixed, the dry weight of butadiene and the weight ratio of SAN are 1: 1.5, add ABS antioxidant 1010 in the mixture, high-speed stirring , to obtain a uniform suspension; place the continuous glass fiber bundle at 400 ° C for 6 hours at high temperature, cool to room temperature naturally, and then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 20 minutes, and then place it in Drying in an 80°C drying oven; the continuous glass fiber passes through the suspension infiltration tank under the action of traction, is dried in an open oven, heated and melted through a closed melting pipeline, and then extruded through a mold, and pelletized to obtain composite material slices; The composite material slices were dried in vacuum at 80°C for 4 hours, and then injection molded by an injection molding machine to obtain long glass fiber reinforced AB...

Embodiment 2

[0028] With reference to accompanying drawing 1, the intermediate butadiene graft emulsion of ABS and SAN resin powder are mixed, the dry weight of butadiene and the weight ratio of SAN are 1: 3, add ABS antioxidant 1010 in the mixture, high-speed stirring , to obtain a homogeneous suspension; place the continuous glass fiber bundle at 450 ° C for 4 hours at high temperature, cool to room temperature naturally, and then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 15 minutes, and then place it in Dry in a drying oven at 90°C for 2 hours; the continuous glass fiber passes through the suspension infiltration tank under the action of traction, is dried in an open oven, heated and melted through a closed melting pipeline, and then extruded through a mold and pelletized to obtain a composite material Slicing: The composite material slices were dried at 70°C for 5 hours under a vacuum degree of 0.1MPa, and injected into an injection molding machine to obtain a lo...

Embodiment 3

[0030] With reference to accompanying drawing 1, the intermediate butadiene graft emulsion of ABS and SAN resin powder are mixed, the dry weight of butadiene and the weight ratio of SAN are 1: 2.5, add ABS antioxidant 1010 in the mixture, high-speed stirring , to obtain a uniform suspension; place the continuous glass fiber bundle at 500 ° C for 4 hours at high temperature, cool to room temperature naturally, and then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 30 minutes, and then place it in Drying in a drying oven at 70°C; the continuous glass fiber passes through the suspension infiltration tank under the action of traction, is dried in an open oven, heated and melted through a closed melting pipeline, and then extruded through a mold, and pelletized to obtain composite material slices; The composite material slices were dried in vacuum at 90°C for 3 hours, and then injection molded by an injection molding machine to obtain long glass fiber reinforced ...

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Abstract

The present method of long glass fibre reinforced ABS composite material uses intermedium butadiene graft emulsion of ABS and SAN resin powder body as raw material and adopts the following steps: adding ABS antioxidant 1010, stirring to prepare suspension; making the continuous glass fibre whose surface is streated by coupling agent be passed through the suspension imbibition tank under the action of traction force; then making said continuous glass fibre be passed through an open drying oven, drying, passed through a closed melting pipeline heating and melting, then extrusion-forming by means of die, granulating to obtain composite material chips; drying chips, injection moulding so as to obtain the invented product.

Description

technical field [0001] The invention relates to a polymer-based composite material, in particular to a preparation method for preparing long glass fiber-reinforced ABS composite materials by a suspension impregnation method, which can be used for preparing high-performance long glass fiber-reinforced thermoplastic composite materials. Background technique [0002] ABS is a new type of polymer material that appeared in the 1940s. It not only has impact resistance, high rigidity, oil resistance, mechanical strength and electrical properties, and excellent mechanical properties of phase balance, but also has good chemical resistance. It has the advantages of stability, dimensional stability, surface gloss, low temperature resistance, coloring performance and processing flow performance. It is a thermoplastic engineering plastic with excellent performance and relatively low price. With the increasingly higher requirements for the performance of engineering plastics, the develop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/52B29C70/54B29C70/16B29C45/78B29K55/02B29K309/08
Inventor 余木火李光波袁象恺曾禹星
Owner DONGHUA UNIV
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