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A kind of high blackness matte ASA composite material and preparation method and application thereof

A composite material and high blackness technology, which is applied in the field of high blackness matte ASA composite material and its preparation, can solve the problems of high cost, insufficient blackness, large fluctuation of physical and mechanical properties, etc., and achieves wide applicability and mechanical properties. excellent effect

Active Publication Date: 2022-08-09
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the above-mentioned technical solutions often have defects such as large fluctuations in physical and mechanical properties, insufficient blackness, poor appearance, and high cost. These defects greatly limit the wide application of materials.

Method used

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  • A kind of high blackness matte ASA composite material and preparation method and application thereof
  • A kind of high blackness matte ASA composite material and preparation method and application thereof
  • A kind of high blackness matte ASA composite material and preparation method and application thereof

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Effect test

Embodiment 1-4

[0039] According to the raw material formula in Table 1, fully mix ASA powder, bulk ABS resin, AS resin, matt agent, toner, and auxiliary agent in a high-speed mixer for 10-60 minutes in a high-speed mixer; convey the above-mentioned mixture through a precisely metered feeding device In the twin-screw extruder, the screw temperature of each section of the extruder is controlled between 180 and 230°C, the length-diameter ratio of the twin-screw extruder is 25-40, and the screw speed is 200-800 rpm. Under the shearing, kneading and conveying of the screw, the material is fully melted and compounded, and then the ASA compound is obtained by extrusion, granulation and drying; the ASA compound is added to the injection molding machine and processed into the desired splines. The conditions are: the barrel temperature is 190-240°C, the mold temperature is 60-70°C, and the injection pressure is 6-10MPa.

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Abstract

The invention provides a high-blackness matte ASA composite material and a preparation method and application thereof, comprising the following components by mass percentage: 5-36% of ASA powder; 5-82.1% of ABS resin; 56.1%; Matting agent 1~5%; High blackness toner 0.1~1%; Antioxidant 0.3~1%; Processing aid 0.1~1%; The high blackness toner is inorganic black powder and The compound of organic black powder; the mass ratio of inorganic black powder and organic black powder in the compound is (10-30): (21-120). The blackness value of the ASA composite material created by the present invention can be controlled within the range of less than 26.2.

Description

technical field [0001] The invention belongs to the technical field of ASA materials, and in particular relates to a high-blackness matte ASA composite material and a preparation method and application thereof. Background technique [0002] Styrene-butadiene-acrylonitrile copolymer (ABS) and its derivatives (AES, ASA, etc.) are engineering plastics with excellent comprehensive properties, high impact strength, good dimensional stability, wear resistance and easy molding. It is widely used in auto parts, household appliances, office equipment, instrumentation, transportation, building materials, household appliances and packaging materials and other fields. [0003] The gloss of ASA materials is acceptable, but applications in the transportation field (such as automotive interiors, low-speed travel industries, etc.) often require a surface with a matte effect. In order to avoid the visual disturbance of the driver caused by the reflection of sunlight and reduce the driver's ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L51/04C08L25/12C08K13/02C08K3/04C08K5/20
CPCC08L55/02C08L51/04C08L25/12C08L2205/03C08L2201/10C08K2201/005C08K13/02C08K3/04C08K5/20
Inventor 肖华明左泽强王扬利宋晓辉孙超正
Owner TIANJIN KINGFA NEW MATERIAL
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