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High-blackness matte ASA composite material as well as 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 poor appearance, high cost, insufficient blackness, etc., achieve cost reduction, excellent mechanical properties, and wide application Effect

Active Publication Date: 2021-02-09
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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  • High-blackness matte ASA composite material as well as preparation method and application thereof
  • High-blackness matte ASA composite material as well as preparation method and application thereof
  • High-blackness matte ASA composite material as well as preparation method and application thereof

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Embodiment 1-4

[0039] According to the raw material formula in Table 1, ASA powder, bulk method ABS resin, AS resin, matte agent, toner, and additives are fully mixed in a high-speed mixer for 10-60 minutes according to the proportion; the above-mentioned mixture is conveyed through a precision metering feeding device In the twin-screw extruder, the temperature of each section of the extruder is controlled between 180-230°C, the length-to-diameter ratio of the twin-screw extruder is 25-40, and the screw speed is 200-800 rpm. Under the shearing, mixing and conveying of the screw, the material can be fully melted and compounded, and then extruded, granulated, and dried to obtain the ASA compound; the ASA compound is added to the injection molding machine to be processed into the required spline, and the injection molding The conditions are: barrel temperature 190-240°C, mold temperature 60-70°C, injection molding pressure 6-10MPa.

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Abstract

The invention creatively provides a high-blackness matte ASA composite material as well as a preparation method and application thereof. The high-blackness matte ASA composite material comprises the following components in percentage by mass: 5-36% of ASA powder; 5-82.1% of ABS resin; 10-56.1% of AS resin; 1-5% of a matting agent; 0.1-1% of high-blackness toner; 0.3-1% of an antioxidant; and 0.1-1% of a processing aid; wherein the high-blackness toner is a compound of inorganic black powder and organic black powder, the mass ratio of the inorganic black powder to the organic black powder in the compound is (10-30):(21-120). The blackness value of the ASA composite material provided by the invention can be controlled to be lower 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 its preparation method and application. 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 process. It is widely used in auto parts, household appliances, office equipment, instrumentation, transportation, building materials, daily appliances and packaging materials and other fields. [0003] The gloss of ASA material is acceptable, but it is often required to achieve a surface with matting effect in the field of transportation (such as automotive interior, low-speed travel industry, etc.). In order to avoid the visual interference of the driver caused by the reflection of sunlight and reduce the driver...

Claims

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Application Information

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Patent Type & Authority Applications(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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