Preparation method of SiO2/ABS (acrylonitrile-butadiene-styrene) composite material

A composite material and mixed solution technology, applied in the field of composite material preparation, can solve the problems of ABS resin reinforcement, toughening and improvement of comprehensive performance, etc., to achieve enhanced chemical stability, improved wear resistance, and easy The effect of stress concentration

Inactive Publication Date: 2013-07-31
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the technical problem that the existing method of modifying ABS resin has poor effect on the improvement of ABS resin's reinforcement, toughening and comprehensive performance, thereby providing a SiO 2 / ABS composite material preparation method

Method used

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  • Preparation method of SiO2/ABS (acrylonitrile-butadiene-styrene) composite material
  • Preparation method of SiO2/ABS (acrylonitrile-butadiene-styrene) composite material
  • Preparation method of SiO2/ABS (acrylonitrile-butadiene-styrene) composite material

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specific Embodiment approach 1

[0021] Specific embodiment one: a kind of SiO of this embodiment 2 The preparation method of / ABS composite material is to carry out according to the following steps:

[0022] 1. Add L-arginine and deionized water into the flask, and install a polytetrafluoroethylene stirring paddle, then put the flask into a water bath with a temperature of 55-65°C, and then add 16-20mL of cyclohexane, Control the stirring speed to 280-320rpm, then add 20-24mL of distilled tetraethyl orthosilicate, stir for 18-24h, and obtain SiO 2 Seed liquid; wherein, the mass volume ratio of L-arginine to deionized water is (12~14) mg: (9~11) mL;

[0023] 2. Add absolute ethanol and ammonia water with a mass concentration of 25% to 30% into the three-necked bottle, and load the Teflon stirring paddle, then put the three-necked bottle into a water bath with a temperature of 20-30°C, and then add 0.5 ~0.7mL of SiO obtained in step 1 2 Seed solution, stirring at a stirring speed of 180-220rpm for 12-18min, ...

specific Embodiment approach 2

[0030] Embodiment 2: This embodiment is different from Embodiment 1 in that: in step 1, the stirring speed is controlled to 300 rpm. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0031] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the mass volume ratio of L-arginine to deionized water in step 1 is 91mg: 69mL. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to a preparation method of a SiO2/ABS (acrylonitrile-butadiene-styrene) composite material. The invention aims to solve the technical problems of unfavorable effects of reinforcement, toughening and comprehensive property improvement on the ABS resin in the existing modified ABS resin. The method comprises the following steps: 1. preparing an SiO2 seed solution; 2. preparing a SiO2 colloid microsphere sol solution; 3. preparing sedimentary SiO2 colloid microspheres; 4. preparing dry SiO2 colloid microspheres; 5. preparing a blend; and 6. preparing the SiO2/ABS composite material. The SiO2 microspheres in the SiO2/ABS composite material have favorable dispersion effect, can achieve the goal of reinforcement and have the action of toughening, and obviously enhance the mechanical properties of the composite material; and the SiO2/ABS composite material has high thermal weight loss and favorable heat stability. The invention is applied to the field of preparation of composite materials.

Description

technical field [0001] The invention relates to a preparation method of a composite material. Background technique [0002] ABS resin contains acrylonitrile, butadiene and styrene polymer chain segments, so it has the advantages of strong rigidity, high hardness, good dimensional stability and processing fluidity. At the same time, it also retains good toughness and is an engineering plastic with excellent performance. In addition, ABS resin also has the advantages of good stability, wide range of use and high cost performance, and is widely used in many industries such as automobiles, electrical appliances, and building materials. [0003] The concept of rigid particle-reinforced composites was first proposed by scientists such as Kurauchi in 1984, who used organic rigid particles to strengthen plastic materials. From this beginning, the research on the method of strengthening polymer has been greatly developed. The research on particle / composite materials in our country...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K3/36
Inventor 孙立国李文龙金政卜志鹏吴迪
Owner HEILONGJIANG UNIV
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