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Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof

A piano black and spray-free technology, which is applied in the field of spray-free high-gloss piano black PETG/PC/APET alloy and its preparation, can solve the problem that high-gloss materials cannot be used alone, and achieve excellent scratch-resistant Sassafras effect and good scratch resistance Effect, gloss improvement effect

Inactive Publication Date: 2020-06-02
昆山博富新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the above shortcomings, high-gloss materials such as PETG, PC, and PET cannot be used alone

Method used

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  • Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof
  • Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof
  • Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof

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preparation example Construction

[0028] A kind of preparation method of spray-free high-gloss piano black PETG / PC / APET alloy, the steps are as follows:

[0029] Step 1: Weigh the PETG resin of the formula, and dry it in a drying oven at a temperature of 65-70°C to remove moisture. The drying time is 6-8 hours;

[0030] Step 2: Weigh the amount of PC resin in the formula and dry it in a drying oven at a temperature of 100-120°C to remove moisture. The drying time is 8-10 hours;

[0031] Step 3: Weigh the APET resin, PET anti-scratch agent, compatibilizer and dried PETG resin and PC resin in the blender, stir and mix evenly to obtain mixture 1, and the stirring time is 5-8min;

[0032]Step 4: Weigh the organic black masterbatch, dispersant, flow modifier, glazing agent and composite antioxidant in the blender, mix evenly to make mixture 2; then add mixture 1 to mixture 2, Stir evenly to obtain mixture 3, wherein the stirring time of mixture 1 and mixture 2 is 5-8min;

[0033] Step 5: Add mixture three to a tw...

Embodiment 1-9

[0053] The preparation method of embodiment 1-9 is as follows:

[0054] Step 1: Weigh the PETG resin of the formula, and dry it in a drying oven at a temperature of 65-70°C to remove moisture. The drying time is 6-8 hours;

[0055] Step 2: Weigh the amount of PC resin in the formula and dry it in a drying oven at a temperature of 100-120°C to remove moisture. The drying time is 8-10 hours;

[0056] Step 3: Weigh the APET resin, PET anti-scratch agent, compatibilizer and dried PETG resin and PC resin in the blender, stir and mix evenly to obtain mixture 1, and the stirring time is 5-8min;

[0057] Step 4: Weigh the organic black masterbatch, dispersant, flow modifier, glazing agent and composite antioxidant in the blender, mix evenly to make mixture 2; then add mixture 1 to mixture 2, Stir evenly to obtain mixture 3, wherein the stirring time of mixture 1 and mixture 2 is 5-8min;

[0058] Step 5: Add mixture three to a twin-screw extruder for melt extrusion and granulation, w...

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Abstract

The invention relates to a spraying-free high-gloss piano black PETG / PC / APET alloy, which comprises the following components in parts by weight: 45-80 parts of PETG resin, 30-50 parts of PC resin, 3-10 parts of APET resin, 1-3 parts of a compatibilizer, 0.3-0.7 part of a dispersant, 0.3-0.7 part of a flow modifier, 3-5 parts of a PET scratch-resistant agent, 0.5-3 parts of a glazing agent, 0.5-1.0part of a composite antioxidant and 1.0-3.0 parts of high-gloss organic black masterbatch, wherein the PC resin is bisphenol A polycarbonate synthesized by a phosgene method. After injection moldingthrough a common mold, the alloy can achieve a highlight mirror surface effect through simple surface polishing treatment without injection molding of a highlight mirror surface mold; and the glossiness of a polished material reaches 99%, and a good scratch-resistant effect is achieved.

Description

technical field [0001] The invention relates to a spray-free high-gloss piano black alloy, in particular to a spray-free high-gloss piano black PETG / PC / APET alloy and a preparation method thereof. Background technique [0002] With the development of the automobile industry, car interiors with black as the main color are favored by consumers, and the partial high-gloss black accessories add a luxury to the atmosphere in the whole car. At present, there are basically two processing techniques for automotive high-gloss black interior parts: one is the mainstream method of piano paint, which can protect the parts while achieving the effect of appearance decoration, and reduce damage from light and scratches; the other is It adopts spray-free high-gloss black plastic, that is, one-time injection molding achieves a black and bright effect, which reduces the process and reduces pollution. The main representative materials are high-gloss materials such as ABS, PETG, and PC. At pres...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L69/00C08L63/00C08L83/04C08L51/00C08L35/06C08K13/06C08K9/12C08K5/00C08K5/526C08K5/134C08K5/20C08K5/541C08J3/22
CPCC08J3/226C08J2367/02C08J2369/00C08J2435/06C08J2451/00C08J2463/00C08J2467/02C08J2469/00C08J2483/04C08K5/0041C08K5/1345C08K5/20C08K5/526C08K5/541C08K9/12C08K13/06
Inventor 王江洪侍成军廖宇涛邢宇
Owner 昆山博富新材料科技有限公司
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