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Low-gloss abs resin composition and preparation method thereof

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

Active Publication Date: 2018-11-13
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Aiming at the defects in the above-mentioned prior art, the present invention provides a low-gloss ABS resin composition and a preparation method thereof, so as to solve the problems of deterioration of mechanical properties, insufficient gloss, and poor distribution 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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  • Low-gloss abs resin composition and preparation method thereof

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Embodiment 1～7 and comparative example 1～7

[0027] Each component and its content in the low-gloss 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 Example and Comparative Example in Table 1 . First, the prepared material is fully stirred and premixed in a high-speed mixer for 3 to 10 minutes, and then the premixed material is passed through a twin-screw extruder at an extrusion temperature of 190 to 240 °C, and the screw speed is 200 to 600 rpm. Melt extrusion under the condition of 10 minutes, cooling and granulation to obtain the ABS resin composition with matte effect.

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

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

[0030]ABS2: butadiene rubber content 16%, number average particle size 1.4μm, weight average mole...

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Abstract

The invention discloses a low-gloss ABS resin composition and a preparation method thereof. The composition is prepared from 100 parts of ABS resin, 0.5-10 parts of polymer micro-powder, 0.5-5 parts of compatilizer, 0.05-1 part of an antioxidant and 0.1-2 parts of a lubricant. Semicrystalline polyethylene glycol terephthalate micro-powder is adopted as the polymer micro-powder, the intrinsic viscosity of the micro-powder is 0.9-1.4 dL / g, the melting point of the micro-powder is 245 DEG C-270 DEG C, the glass-transition temperature of the micro-powder is 70 DEG C-85 DEG C, and the particle size of the micro-powder is 1-50 micrometers. All the components are premixed in a high-speed mixer for 3-10 minutes, extrusion pelletizing is performed on premix through a double-screw extruder, and then the low-gloss ABS resin composition is obtained. Compared with the prior art, the ABS resin composition with the excellent matte finish effect is directly prepared through a one-step method, the preparation method is simple in technological process, the glossiness is ultra-low, and the problems of uneven glossiness distribution, physical and mechanical performance deterioration and a complex technology are solved.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a low gloss 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 fati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L67/02C08L35/06C08L51/00B29B9/06B29C47/92B29C48/92
CPCB29B9/06B29C48/92B29C2948/9258B29C2948/92704C08L55/02C08L2201/08C08L2205/03C08L2205/08C08L67/02C08L35/06C08L51/003
Inventor 刘星周霆罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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