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High-gloss piano-black PA/PMMA alloy resin composition and preparation method thereof

A technology of alloy resin and piano black, which is applied in the field of high-gloss piano black PA/PMMA alloy resin composition and its preparation, can solve the problems of opaque alloy and inability to obtain piano black materials, and achieve improved compatibility and excellent scratch resistance Effect

Active Publication Date: 2019-05-14
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the PA / PMMA alloy obtained by the above-mentioned technical scheme can only obtain high-gloss or matte materials of ordinary black or other colors by dyeing, and cannot obtain piano black materials.
The reason is that the blending of aliphatic PA resin and PMMA can only obtain an opaque alloy

Method used

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  • High-gloss piano-black PA/PMMA alloy resin composition and preparation method thereof
  • High-gloss piano-black PA/PMMA alloy resin composition and preparation method thereof
  • High-gloss piano-black PA/PMMA alloy resin composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0043] The preparation method of high-gloss piano black PA / PMMA alloy resin composition adopts the following steps:

[0044] (1) Weigh 70-80 parts of PA resin masterbatch, 15-25 parts of PMMA resin, 3-6 parts of toughening agent, 0.3-2.0 parts of black toner, 0.1-1.5 parts of antioxidant, weather resistance 0.2-1.5 parts of the agent, mixed evenly to obtain the premix;

[0045] (2) Put the premixed material into a twin-screw extruder, control the extrusion temperature to 230-260° C., and carry out melt extrusion at a screw speed of 200-500 rpm, cool and granulate to obtain the target product.

[0046] The following are more detailed implementation examples, through which the technical solutions of the present invention and the technical effects that can be obtained are further described.

Embodiment 1

[0048] The present embodiment provides a kind of high-gloss piano black PA / PMMA alloy resin composition, and its raw material composition is as follows:

[0049] Composition of PA resin masterbatch:

[0050] PA6I / 6T 90 copies

[0051] Compatibilizer (St:MMA:MAH=30:50:20) 10 parts

[0052] Antioxidant 1 part

[0053] Target product composition:

[0054]

Embodiment 2

[0056] The present embodiment provides a kind of high-gloss piano black PA / PMMA alloy resin composition, and its raw material composition is as follows:

[0057] Composition of PA resin masterbatch:

[0058] PA6I / 6T 90 copies

[0059] Compatibilizer (St:MMA:MAH=30:60:10) 10 parts

[0060] Antioxidant 1 part

[0061] Target product composition:

[0062]

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Abstract

The invention relates to a high-gloss piano-black PA / PMMA alloy resin composition and a preparation method thereof. The high-gloss piano-black PA / PMMA alloy resin composition comprises, by weigh, 70-80 parts of PA resin master batch, 15-25 parts of PMMA resin, 3-6 parts of toughening agent, 0.3-2.0 parts of black toner, 0.1-1.5 parts of antioxidant and 0.2-1.5 parts of weather-resisting agent. Thepreparation method includes: weighing PA resin, evenly mixing the PA resin with compatilizer to obtain premix, adding the premix into a twin-screw extruder, and performing melt extrusion and coolinggranulation to obtain the modified PA resin master batch; weighing the residual materials and the PA master batch according to the proportion, evenly mixing to obtain premix, adding the premix into atwin-screw extruder, and performing melt extrusion and cooling granulation to obtain the high-gloss piano-black PA / PMMA alloy resin composition. The high-gloss piano-black PA / PMMA alloy resin composition has the excellent scratch resistance, weather resistance and size stability of PMMA and the excellent wear resistance and chemical resistance of PA. Due to the fact that high-gloss piano-black PA / PMMA alloy resin has excellent mechanical performance and outstanding scratch resistance, the high-gloss piano-black PA / PMMA alloy resin is quite applicable to painting-free exterior trimming parts ofcars.

Description

technical field [0001] The invention relates to an alloy resin composition and a preparation method thereof, in particular to a high-gloss piano black PA / PMMA alloy resin composition and a preparation method thereof. Background technique [0002] The appearance of piano black is a popular design for the interior and exterior of automobiles in recent years. The appearance of piano black can be obtained in two ways: (1) spraying piano black paint on the surface of ABS or PC / ABS; (2) direct molding of piano black without spraying resin. The piano black surface obtained by the former has better scratch resistance and weather resistance, but requires a complicated painting process, which is inefficient and expensive. At the same time, painting is more harmful to the environment and workers. This process will gradually be replaced. The latter replaces. The latter can be formed into a product at one time, and has the characteristics of high efficiency, low cost, and environmental...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L33/12C08J3/22
Inventor 查超周霆辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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