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Matte ABS resin composition and preparation method thereof

A technology of ABS resin and composition, applied in the field of matte ABS resin composition and preparation thereof, can solve the problems of deterioration of mechanical properties, insufficient gloss, uneven distribution, etc., and achieves improved mechanical properties, simple preparation process, matte Even and delicate effect

Active Publication Date: 2019-01-25
SHANGHAI KUMHO SUNNY PLASTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the defects in the above-mentioned prior art, the present invention provides a matte ABS resin composition and a preparation method thereof, so as to solve the problems of deterioration of mechanical properties, insufficient gloss, poor distribution, etc. in the preparation of low-gloss ABS resin in the prior art. Uniformity, surface roughness and other problems, the low-gloss heat-resistant ABS resin composition of the present invention is a kind of ABS resin with soft surface, ultra-low gloss and excellent mechanical properties

Method used

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  • Matte ABS resin composition and preparation method thereof
  • Matte ABS resin composition and preparation method thereof

Examples

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Embodiment 1～7 and comparative example 1～7

[0027] Each component and its content in the matte ABS resin composition in Examples 1 to 7 and Comparative Examples 1 to 7 are shown in Table 1, and the materials are prepared according to the components and content of each embodiment and Comparative Example in Table 1 respectively . First, the prepared material is fully stirred and premixed in a high-speed mixer, and then the premixed material is passed through a twin-screw extruder at an extrusion temperature of 190-240°C and a screw speed of 200-600 rpm. Melt extrusion, cooling and granulation to obtain an ABS resin composition with a matte effect.

[0028] Involving component and characteristic in above embodiment and comparative example are as follows:

[0029] ABS1: butadiene rubber content 20wt%, number average particle size 0.2μm, weight average molecular weight 80,000;

[0030] ABS2: butadiene rubber content 17wt%, number average particle size 1.5μm, weight average molecular weight 100,000;

[0031]ABS3: butadiene...

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Abstract

The invention discloses a matte ABS resin composition and a preparation method thereof. The composition comprises, in parts by weight, 100 parts of ABS resin, 0.5-10 parts of a polymer micropowder, 0.5-5 parts of a compatibilizer, 0.05-1 part of an anti-oxidant, and 0.1-2 parts of a lubricant. The polymer micropowder is a semicrystalline polyamide micropowder, the molecular main chain contains a repeated amide group -[NHCO]-, the melting point is 245-390 DEG C, the glass-transition temperature is 55-185 DEG C, and the particle size is 1-50 mu m. The matte ABS resin composition is obtained by pre-mixing the above raw materials in a high-speed mixer for 3-10 min and then performing extrusion granulation on the premix through a double-screw extruder. Compared with the prior art, the ABS resin composition with excellent matte effect is directly prepared through a one-step process, the preparation method is simple in technology, the prepared ABS resin composition is super low in luster, and the problems that luster distribution is not uniform, physical and mechanical performances are deteriorated and technology is complex are solved.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a matte ABS resin composition and a preparation method thereof. Background technique [0002] Acrylonitrile-butadiene-styrene terpolymer (ABS) is an engineering plastic with excellent comprehensive properties such as high gloss, chemical corrosion resistance, high heat resistance, easy processing, and excellent dimensional stability. It has a wide range of applications in automobiles, household appliances, offices and other fields. When ABS resin is used in many electronic appliances and automotive interior components, such as computer casings, keyboards, mice, instrument panels, sun visors, and navigator frames in automotive interiors, it is often necessary to achieve a surface with a matting effect. Especially in the field of automotive interiors, in order to avoid the visual disturbance caused by the reflection of sunlight on the driver and reduce the driver's visual fatigue,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L77/06C08L35/06C08L51/00
CPCC08L55/02C08L2205/03C08L2205/08C08L2205/18C08L77/06C08L35/06C08L51/003
Inventor 刘星周霆罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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