Spraying-free high-metal-gloss transparent ABS material and preparation method

An ABS material and high metal technology, which is applied in the field of spray-free high-metal gloss and transparent ABS materials and preparation, can solve the problems of easy peeling and fading of paint on painted parts, and achieves improvement of gloss and consistency, efficiency, and surface hardness. Effect

Inactive Publication Date: 2016-07-27
SAIC-GM-WULING AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a spray-free high metallic luster transparent ABS material and its preparation method, ai

Method used

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  • Spraying-free high-metal-gloss transparent ABS material and preparation method

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preparation example Construction

[0055] A method for preparing a spray-free high metallic luster transparent ABS material, the method described in the flow chart of the preparation method comprises the following steps:

[0056] Step S1, fully mixing metal powder, antioxidant, lubricant, pigment and coating agent to obtain mixture a;

[0057] Step S2, adding mixture a to a twin-screw extruder to melt and extrude to granulate to obtain particles b; the melting temperature of adding to the twin-screw extruder is 150°C to 155°C or 155°C to 160°C or 160°C to 165°C or 165°C~170°C or 170°C~175°C or 175°C~180°C, the screw speed of the twin-screw extruder is 300rad / min

[0058] In step S3, the particle b and the transparent ABS are fully blended and injected into a product in one step.

[0059] In step S3, mica powder, antioxidant and lubricant can also be added.

[0060] In step S3, the mixture c is fully blended, and the mixture c is added to a twin-screw extruder to melt and extrude to pelletize; 190°C to 195°C ...

Embodiment 1

[0061] Embodiment 1: A kind of transparent ABS (acrylonitrile-styrene-butadiene copolymer) material with high metallic luster free from spraying, calculated in parts by weight:

[0062] Transparent ABS88 copies

[0063] 0.45 parts of mica powder

[0064] 0.9 parts of metal powder

[0065] Antioxidant 0.18 parts

[0066] Lubricant 0.9 parts

[0067] Pigment 0.004 parts

[0068] 0.45 parts of coating agent.

[0069]Mix 0.9 part of metal powder, 0.09 part of antioxidant, 0.45 part of lubricant, 0.004 part of pigment and 0.45 part of coating agent to obtain mixture a; put mixture a into a twin-screw extruder to melt and extrude to granulate, The melting temperature of the twin-screw extruder is 150°C to 155°C or 155°C to 160°C or 160°C to 165°C or 165°C to 170°C or 170°C to 175°C or 175°C to 180°C. The screw speed of the extruder is 300 rad / min, and the particle b is obtained; the particle b and 88 parts of transparent ABS are fully blended and one-step injection molding is ...

Embodiment 2

[0070] Embodiment 2: A kind of transparent ABS (acrylonitrile-styrene-butadiene copolymer) material with high metallic luster free from spraying, calculated in parts by weight:

[0071] Transparent ABS93 parts

[0072] 0.48 parts of mica powder

[0073] Metal powder 0.95 parts

[0074] Antioxidant 0.19 parts

[0075] Lubricant 0.95 parts

[0076] Pigment 0.0045 parts

[0077] 0.48 parts of coating agent.

[0078] Fully mix 0.95 parts of metal powder, 0.1 parts of antioxidant, 0.5 parts of lubricant, 0.0045 parts of pigment and 0.45 parts of coating agent to obtain mixture a; put mixture a into a twin-screw extruder to melt and extrude to granulate, The melting temperature of the twin-screw extruder is 150°C to 155°C or 155°C to 160°C or 160°C to 165°C or 165°C to 170°C or 170°C to 175°C or 175°C to 180°C. The screw speed of the extruder is 300 rad / min, and the particle b is obtained; the particle b and 93 parts of transparent ABS are fully blended and one-step injection ...

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Abstract

The invention is applicable to the field of material manufacturing and provides a spraying-free high-metal-gloss transparent ABS material and a preparation method. The spraying-free high-metal-gloss transparent ABS material consists of the following components: transparent ABS, mica powder, silver-dollar-type aluminum powder, antioxidant, lubricant, pigment and a coating agent. The problem of spraying-free color blending is solved and the scheme of blending of various colors is realized; the materials are transparent and the transparency range can be adjusted according to the needs; the problem that paint on a painted part easily falls off and is decolorized; since internal and external substrates are consistent, the repair rate and customer complaints are reduced; the surface hardness is improved and the anti-scratching performance is improved; the metal powder dispersibility, the anti-stacking performance and the anti-shearing performance are improved, and the gloss and consistency of the substrates are improved; the spraying process and production process are simplified, and the investment in factory buildings, coating lines and the like are reduced; the production cost can be greatly reduced and the efficiency can be greatly improved; the problems of complex process and high cost in recycling of painted parts are solved, and the new material is an environment-friendly material and can be directly recycled.

Description

technical field [0001] The invention belongs to the field of material production, and in particular relates to a spray-free high metallic gloss transparent ABS material and a preparation method thereof. Background technique [0002] At present, as environmental issues are getting more and more attention from people, spray-free metal effect resin products are gradually showing their competitiveness. Direct injection molding without spraying resin can make the product achieve pearlescent, shimmering pearlescent and other effects. Compared with sprayed products, it is easy to form, has a high yield, and is not easy to produce toxic and harmful gases, dust and other pollutants to the environment. [0003] This spray-free metal effect is mainly achieved by adding metal pigments to the matrix resin, and the shear sensitivity, orientation and accumulation of metal pigments will cause welding problems in places where the product has many structural features and flows converge. The ...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K13/06C08K9/10C08K3/34C08K3/08C08K5/526B29C47/92B29C48/92
CPCC08K3/08C08K3/34C08K5/526C08K9/10C08K13/06B29C48/92C08L2201/10C08K2003/0812C08K2201/003B29C2948/92704B29C2948/9259C08L55/02
Inventor 刘军舰郝加杰危学兵申露华陈琳
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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