Television housing and method for manufacturing the same
A technology for TV casings and plastic parts, applied in TV, color TV, chemical instruments and methods, etc., can solve the problems of limited application and difficult external parts of electronic products, etc.
Active Publication Date: 2013-07-03
LOTTE ADVANCED MATERIALS CO LTD
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the inferior appearance quality of glass fiber-reinforced resins makes them difficult to apply to external parts of electronic products, and as a result, there are limitations in the extended applicability of glass fiber-reinforced resins
[0005] That is, glass fibers are effective in achieving improved dimensional stability and stiffness, but tend to protrude from PC / ABS blends for superior appearance, which limits their application
Method used
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Experimental program
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Effect test
Embodiment 1-2 and comparative example 1-3
[0088] Compositions were prepared as shown in Table 1. To each composition was added 13 parts by weight of bisphenol A bis(diphenyl phosphate) (BDP, Daihachi), 0.8 parts by weight of Teflon (trade name) 7AJ (DuPont, U.S.) as an anti-dripping agent, 0.3 parts by weight of 3 - (3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate (IRGANOX1076) as an antioxidant, and 0.4 parts by weight of neopentane polyol fatty acid ester (UNISTER H-476) as lubricant. The mixture is injected by steam molding (RHCM), and released to produce plastic parts. Produce plastic parts under the following conditions: injection temperature = 240-270°C, steam temperature in the mold = 150-170°C, mold temperature = 130°C, heating time = 10-15sec, mold temperature at release = 130°C, cooling Time = 10-15 sec. The physical properties of the plastic parts were measured by the following methods. These results are shown in Table 1.
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Abstract
The present invention provides a television housing and a method for manufacturing the same. The television housing has a structure including a stainless steel (SUS) frame; and a plastic member in contact with at least one side of the stainless steel frame. The plastic member includes (A) a polycarbonate resin, (B) a rubber modified aromatic vinyl graft copolymer resin, and (C) a non-adhesive glass fiber. The plastic member has excellent properties in terms of appearance, gloss, surface roughness, and stiffness. In addition, the plastic member is highly dimensionally stable.
Description
technical field [0001] The invention relates to a TV casing and a manufacturing method thereof. More specifically, the present invention relates to the application of adhesive-free glass fiber and a TV casing manufactured through a specific molding process to achieve excellent results in terms of appearance, dimensional stability, surface roughness and hardness. The invention also relates to a method for manufacturing a television housing. Background technique [0002] PC / ABS is a mixture of polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS). PC / ABS is generally used as an exterior material for electronic products requiring excellent physical properties, such as high gloss, high flow, and excellent impact resistance. [0003] Due to the low hardness and poor dimensional stability of PC / ABS, PC / ABS products reinforced with glass fibers are currently being developed. [0004] Such glass fiber-reinforced PC / ABS is used for products requiring excellent dimensional s...
Claims
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IPC IPC(8): H04N5/64C08L69/00C08L51/04C08L25/08C08K9/06C08K9/04C08K7/14
CPCC08K7/14C08K2201/003C08L55/02C08L69/00H04N5/64B32B37/14
Inventor 李兆远晋卿植朱敃贞申承湜
Owner LOTTE ADVANCED MATERIALS CO LTD