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A PC/ABS composition capable of improving photocorrosion of air-conditioning panels and its preparation method

An air-conditioning panel and composition technology, which is applied in the field of PC/ABS composition and its preparation, can solve the problems of whitening, unimproved white ABS, PC/ABS photocorrosion, affecting the appearance of air-conditioning, etc. Improve the effect of photocorrosion phenomenon

Active Publication Date: 2016-06-01
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The characteristic of ABS makes white ABS and PC / ABS materials applied to the air conditioner panel with hidden display screen, the color of the area irradiated by the LED light will obviously turn white, which seriously affects the appearance of the air conditioner
At present, there is no literature report on improving the photocorrosion phenomenon of white ABS and PC / ABS

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The preparation of embodiment 1 PC / ABS material of the present invention (1)

[0024] (1) Prepare materials according to the following components and parts by weight: 30 parts of PC, 70 parts of ABS, 1 part of titanium dioxide, 0.3 parts of antioxidant, 1.5 parts of lubricant, 0.001 part of colorant, and 0.5 part of UV absorber.

[0025] (2) Put the above-mentioned raw materials in a high-speed mixer and stir them. After mixing evenly, they are sent into the twin-screw extruder through a metering device. The temperature of the twin-screw extruder is controlled at 210-260°C. Under mixing and mixing, the materials are melted and compounded, then extruded, drawn, cooled and pelletized.

[0026] Among them, the siloxane content in PC is 3%; the ABS is Chimei PA757K; the particle size of titanium dioxide is 100nm; the antioxidant is Irganox1024; the lubricant is biphenyl bis(diphenyl phosphate); the colorant is fluorescent whitening The agent is 2,5-bis(5-tert-butyl-2-oxazo...

Embodiment 2

[0027] The preparation of embodiment 2 PC / ABS material of the present invention (two)

[0028] (1) Prepare materials according to the following components and parts by weight: 30 parts of PC, 70 parts of ABS, 0.1 part of titanium dioxide, 1 part of antioxidant, 0.1 part of lubricant, 0.5 part of colorant, and 0.5 part of UV absorber.

[0029] (2) Put the above-mentioned raw materials in a high-speed mixer and stir them. After mixing evenly, they are sent into the twin-screw extruder through a metering device. The temperature of the twin-screw extruder is controlled at 210-260°C. Under mixing and mixing, the materials are melted and compounded, then extruded, drawn, cooled and pelletized.

[0030] Among them, the siloxane content in PC is 18%; the ABS is Chimei PA757K; the particle size of titanium dioxide is 100nm; the antioxidant is Irganox1024; the lubricant is biphenyl bis(diphenyl phosphate); the colorant is fluorescent whitening The agent is 2,5-bis(5-tert-butyl-2-oxazol...

Embodiment 3

[0031] Embodiment 3 Preparation of PC / ABS material of the present invention (three)

[0032] (1) Prepare materials according to the following components and parts by weight: 50 parts of PC, 50 parts of ABS, 1 part of titanium dioxide, 0.3 parts of antioxidant, and 1.5 parts of lubricant.

[0033] (2) Put the above-mentioned raw materials in a high-speed mixer and stir them. After mixing evenly, they are sent into the twin-screw extruder through a metering device. The temperature of the twin-screw extruder is controlled at 210-260°C. Under mixing and mixing, the materials are melted and compounded, then extruded, drawn, cooled and pelletized.

[0034] Among them, the siloxane content in PC is 7%; the ABS is Chimei PA757K; the particle size of titanium dioxide is 100nm; the antioxidant is Irganox1076; the lubricant is triphenyl phosphate.

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Abstract

The invention relates to a PC (polycarbonate) / ABS composition capable of improving the photocorrosion phenomenon of an air conditioner panel and a preparation method thereof. The PC / ABS composition consists of the following raw materials in parts by weight: 30-90 parts of PC, 10-70 parts of ABS, 0.1-1 part of titanium dioxide, 0.1-1 part of an antioxidant, 0.1-2 parts of a lubricant and 0-1 part of an additive; and the additive consists of a UV adsorbent and a colorant. The preparation method comprises the following steps: stirring the raw materials in a high-speed mixer according to a ratio; uniformly mixing, and then conveying into a twin-screw extruder by a metering device; with the conveying, shearing and mixing of screws, melting and compounding the materials; and performing extrusion, bracing, cooling and grain-sized dicing to obtain the PC / ABS composition. The materials of the PC / ABS composition provided by the invention are proper, and the prepared PC / ABS material can remarkably improve the photocorrosion phenomenon when used as the air conditioner panel.

Description

technical field [0001] The invention relates to the technical field of modified resins, in particular to a PC / ABS composition capable of improving the photocorrosion phenomenon of an air-conditioning panel and a preparation method thereof. Background technique [0002] At present, people's demand for air-conditioning products has already broken through the limitations of the basic functions of the products. Whether the appearance of the products is beautiful and whether they are harmonious and unified with the home environment has become one of the main factors that people consider when purchasing household appliances. On the other hand, the three major technological development trends of frequency conversion, energy saving, and environmental protection lack support in the current industry environment, and their development is relatively slow. However, the change of product appearance brought about by the fine-tuning of basic technologies is becoming an irresistible trend. I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L55/02C08K13/02C08K3/22
CPCC08K2003/2241
Inventor 刘星周霆
Owner SHANGHAI KUMHO SUNNY PLASTICS
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