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High-heat-resistant high-binding-force electroplating PC/ABS alloy material and preparation method thereof

An alloy material, high heat resistance technology, applied in the field of high heat resistance and high bonding force electroplating PC/ABS alloy material and its preparation field, can solve the problems such as decreased fluidity of heat resistant agent, uneven dispersion of heat resistant agent, difficult dispersion and the like , to achieve the effect of improving dispersibility, avoiding molding difficulties, and small coating adhesion

Active Publication Date: 2017-05-10
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned patent mainly improves the molding yield by adding heat-resistant agent styrene-N-phenylmaleimide-maleic anhydride copolymer to improve the thermal stability of PC / ABS materials in the gas-assisted molding process; Due to the obvious decrease in fluidity of the thermal agent after copolymerization of N-phenylmaleimide, and it is not easy to disperse, the problem of excessive internal stress is likely to occur during injection molding.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] An electroplated PC / ABS alloy material with high heat resistance and high binding force and a preparation method thereof, the method comprising the following steps:

[0044] (1) Weigh each component by weight: PC resin: 45 parts, ABS high rubber powder: 35 parts; α-SAN resin: 20 parts; antioxidant 1076: 0.1 part, antioxidant 168: 0.1 part, Lubricant PETS: 0.1 parts.

[0045] (2) Feed the raw material from the feeding port, and melt and extrude it at 220-270°C. The diameter of the screw extruder is 35mm, the aspect ratio is 32, the rotation speed is 500rpm, and the pressure is 2MPa. The pellets are the product.

[0046] In this embodiment, the compatibilizer is styrene-grafted maleic anhydride, wherein the mass percentage of maleic anhydride is 28%.

Embodiment 2

[0048] An electroplated PC / ABS alloy material with high heat resistance and high binding force and a preparation method thereof, the method comprising the following steps:

[0049] (1) Weigh each component by weight: PC resin: 45 parts, ABS high rubber powder: 35 parts; α-SAN resin: 20 parts; compatibilizer: 2 parts; antioxidant 1076: 0.1 part, Oxygen 168: 0.1 part, lubricant PETS: 0.1 part.

[0050] (2) Feed the raw material from the feeding port, and melt and extrude it at 220-270°C. The diameter of the screw extruder is 35mm, the aspect ratio is 32, the rotation speed is 500rpm, and the pressure is 2MPa. The pellets are the product.

[0051] In this embodiment, the compatibilizer is styrene-grafted maleic anhydride, wherein the mass percentage of maleic anhydride is 24%.

Embodiment 3

[0053] An electroplated PC / ABS alloy material with high heat resistance and high binding force and a preparation method thereof, the method comprising the following steps:

[0054] (1) Weigh each component by weight: PC resin: 55 parts, ABS high rubber powder: 30 parts; α-SAN resin: 15 parts; compatibilizer: 5 parts; antioxidant 1076: 0.1 part, Oxygen 168: 0.1 part, lubricant PETS: 0.1 part.

[0055] (2) Feed the raw material from the feeding port, and melt and extrude it at 220-270°C. The diameter of the screw extruder is 35mm, the aspect ratio is 32, the rotation speed is 500rpm, and the pressure is 2MPa. The pellets are the product.

[0056] In this embodiment, the compatibilizer is styrene-acrylonitrile copolymer grafted with maleic anhydride, wherein the mass percentage of maleic anhydride is 12%.

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Abstract

The invention relates to a high-heat-resistant high-binding-force electroplating PC / ABS alloy material and a preparation method thereof. The PC / ABS alloy material comprises the following components by weight: 30-60 parts of PC resin, 20-50 parts of ABS gelatine powder, 15-35 parts of Alpha-SAN resin, 1-5 parts of a compatilizer, 0.1-1 part of an antioxidant and 0.1-1 part of a lubricant. The preparation method comprises the following steps: adding the PC resin, the ABS gelatine powder, the Alpha-SAN resin, the compatilizer, the antioxidant and the lubricant to a mixer for mixing by weight in the preparation process; feeding a prepared mixture from the main feeding opening of a extruder, controlling the temperature of a machine cylinder to be 220-270 DEG C, and controlling the screw speed to be 300-600 circles / minute, mixing and pelleting to obtain the PC / ABS alloy material. Compared with the prior art, the used Alpha-SAN resin modified by Alpha-vinyltoluene has the more excellent heat resistance, and is capable of effectively improving the heat-resisting level of the material under the situation without reducing the glue amount. The compatilizer is introduced for improving the compatility of the Alpha-SAN and PC phases, improving the dispersibility of the rubber, and improving the heat resistance and binding force performance of the material system advantageously.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to a PC / ABS alloy material and a preparation method thereof, in particular to a high-heat-resistant and high-binding-force electroplating PC / ABS alloy material and a preparation method thereof. Background technique [0002] Electroplating with plastic products as the base material has become a common material treatment method, and has been widely used in automobiles, home appliances, daily necessities, and interior and exterior decoration materials. Compared with electroplated ABS materials, electroplated PC / ABS alloy materials are widely used in automotive interior parts, such as interior door handles, decorative strips, trim rings, etc., due to their excellent heat resistance, toughness and fatigue resistance. Electroplating grade PC (polycarbonate) / ABS (acrylonitrile-butadiene-styrene copolymer), in order to ensure a good electroplating effect, generally need to ensure a ...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L55/02C08L25/12C08L51/00C08K5/134C08K5/526C08K5/103
CPCC08L69/00C08L2201/08C08L2205/035C08L55/02C08L25/12C08L51/003C08K5/1345C08K5/526C08K5/103
Inventor 王尧李强罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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