Method for preparing long fiber reinforced ABS composite material

A composite material and long glass fiber technology, which is applied in the preparation of long glass fiber reinforced ABS composite materials by suspension impregnation method, and the preparation of high performance long glass fiber reinforced thermoplastic composite materials, which can solve the cumbersome process, high energy consumption and long time consumption and other problems, to achieve the effect of reducing the process, low energy consumption, and reducing the degree of damage

Inactive Publication Date: 2006-05-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Refer to attached figure 1 , mix the intermediate butadiene graft emulsion of ABS with SAN resin powder, the weight ratio of the dry weight of butadiene to SAN is 1:1.5, add ABS antioxidant 1010 to the mixture, stir at high speed, and obtain a uniform suspension; place the continuous glass fiber bundle at 400°C for 6 hours at high temperature, cool it down to room temperature naturally, then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 20 minutes, and place it in an 80°C drying oven Medium drying; continuous glass fiber passes through the suspension infiltration tank under 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 slice; the composite material slice is Vacuum drying at 80°C for 4 hours, injection molding with an injection molding machine, to obtain long glass fiber reinforced ABS composite material.

Embodiment 2

[0028] Refer to attached figure 1 , mix the intermediate butadiene graft emulsion of ABS with SAN resin powder, the weight ratio of the dry weight of butadiene to SAN is 1:3, add ABS antioxidant 1010 to the mixture, stir at high speed, and obtain a uniform suspension; place the continuous glass fiber bundle at 450°C for 4 hours at high temperature, cool it down to room temperature naturally, then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 15 minutes, and then place it in a 90°C drying oven Medium drying for 2 hours; 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; composite material The slices were dried at 70°C for 5 hours under a vacuum degree of 0.1 MPa, and injected into an injection molding machine to obtain a long glass fiber reinforce...

Embodiment 3

[0030] Refer to attached figure 1 , mix the intermediate butadiene graft emulsion of ABS and SAN resin powder, the weight ratio of the dry weight of butadiene to SAN is 1:2.5, add ABS antioxidant 1010 to the mixture, stir at high speed, and obtain a uniform suspension; place the continuous glass fiber bundle at 500°C for 4 hours at high temperature, cool it down to room temperature naturally, then soak it in 1.5% silane coupling agent KH-550 aqueous solution for 30 minutes, and then place it in a 70°C drying oven Medium drying; continuous glass fiber passes through the suspension infiltration tank under 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 slice; the composite material slice is Vacuum drying at 90°C for 3 hours, and injection molding by an injection molding machine to obtain long glass fiber reinforced ABS composite materials.

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