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Nano particle reinforced ABS (acrylonitrile butadiene styrene) composite material and preparation method thereof

A technology of nanoparticles and composite materials, applied in the field of nanoparticle-reinforced ABS composite materials and their preparation, to achieve the effects of improving tensile strength and impact strength, improving overall performance and weather resistance, and improving dimensional stability

Active Publication Date: 2013-05-29
ZHEJIANG YULONG TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for recycled ABS, its mechanical properties are much lower than that of ABS fresh raw material due to aging is the biggest problem

Method used

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  • Nano particle reinforced ABS (acrylonitrile butadiene styrene) composite material and preparation method thereof
  • Nano particle reinforced ABS (acrylonitrile butadiene styrene) composite material and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0022] (1) Preparation of surface modified nanoparticles

[0023] Add nanoparticles with an average particle size of 5-100nm, surfactants and organic antioxidants into a high-speed mixer at a mass ratio of 1.0:0.02-0.05:0.02-0.05, and at a temperature of 80-150°C, Stir for 50-100 min, so that the surfactant and the nanoparticles are uniformly dispersed, and the surfactant is coated on the nanoparticles to form surface-modified nanoparticles; the nanoparticles are composed of organic montmorillonite (OMMT), nano Composition of titanium dioxide and nano hydrotalcite (LDH);

[0024] (2) Preparation of ABS composite materials

[0025] The surface-modified nanoparticles, ABS resin and ethylene-octene copolymer (POE) are added into the twin-screw extruder according to the mass ratio of 1.0-5.0:24-45:0-10.0, and the extrusion temperature is 210-235°C, the screw speed is 100-210 rpm, and the nano-particle reinforced ABS composite material is obtained after extrusion and granulation....

Embodiment 1

[0031] Add nanoparticles with an average particle size of 5-100nm, oleic acid and antioxidant BHT into a high-speed mixer at a mass ratio of 1.0:0.02:0.02, and stir for 50-100 min at a temperature of 100-120°C , forming surface-modified nanoparticles; the nanoparticles are composed of 40wt% OMMT, 30wt% nano-titanium dioxide, and 30wt% LDH; then surface-modified nanoparticles and reclaimed ABS are added according to a mass ratio of 1:15 Melt blending in a twin-screw extruder, where the extrusion temperature is 210-235°C, the screw speed is 120-150 rpm, and the nanoparticle-reinforced ABS composite material is obtained after extrusion granulation, and its properties are shown in Table 1.

Embodiment 2

[0033] Add nanoparticles with an average particle size of 5-100nm, oleic acid and antioxidant BHT into a high-speed mixer at a mass ratio of 1.0:0.05:0.02, and stir for 75-100 min at a temperature of 120-150°C , forming surface-modified nanoparticles; the nanoparticles are composed of 50wt% OMMT, 25wt% nano titanium dioxide, and 25wt% LDH; then surface-modified nanoparticles and reclaimed ABS1 are added according to a mass ratio of 1:10 Melt blending in a twin-screw extruder, where the extrusion temperature is 210-235°C, the screw speed is 120-150 rpm, and the nanoparticle-reinforced ABS composite material is obtained after extrusion granulation, and its properties are shown in Table 1.

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Abstract

The invention relates to a preparation method of a nano particle reinforced ABS (acrylonitrile butadiene styrene) composite material and belongs to the technical field of ABS composite materials. The preparation method provided by the invention comprises the following steps of: firstly coating nano particles by utilizing a surfactant to form surface modified nano particles and then carrying out melt blending on the surface modified nano particles with ABS by utilizing a double screw extruder to obtain ABS composite material aggregates, wherein the surface modified nano particles are organic montmorillonite, nano titanium dioxide and nano hydrotalcite. When the preparation method provided by the invention is applied to modification of recycled ABS, mechanical property and ageing resistance of the recycled ABS can be obviously improved, the properties of the modified ABS can meet and even be higher than the standard requirements of plastic parts for a motorcycle and an electric vehicle, and the modified ABS can replace a new ABS material.

Description

technical field [0001] The invention relates to the technical field of ABS composite materials, more specifically, the invention relates to a nanoparticle-reinforced ABS composite material and a preparation method thereof. Background technique [0002] ABS resin is a general term for impact-resistant thermoplastic resin composed of three components: acrylonitrile, butadiene and styrene, also known as ABS polymer. ABS resin combines the advantages of the three components, in which the styrene component provides good processing performance, the acrylonitrile component contributes to the strength and chemical resistance of the resin, and the butadiene component brings the resin Good impact performance. Because ABS resin has the advantages of good impact, processability, dimensional stability, wear resistance and chemical corrosion resistance, it can be used in the environment of -40-100 ° C. Therefore, ABS resin has been widely used in recent years. Automobiles, home applianc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L23/08C08K9/10C08K3/34C08K3/22C08K3/26
Inventor 周正富
Owner ZHEJIANG YULONG TECH DEV
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