High efficiency polycarbonate / ABS composition and its application

A technology of polycarbonate and composition, which is applied in the field of polycarbonate/ABS composition, can solve the problem that the performance of polycarbonate/ABS composition cannot fully meet high-performance products, achieve excellent flow performance, and ensure safe use , the effect of improving compatibility

Active Publication Date: 2009-06-03
吴全德
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although many researchers at home and abroad are engaged in the research on the modification of polycarbonate / ABS composition, the various properties of polycarbonate / ABS composition still cannot fully meet the requirements of high-performance products.

Method used

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  • High efficiency polycarbonate / ABS composition and its application
  • High efficiency polycarbonate / ABS composition and its application
  • High efficiency polycarbonate / ABS composition and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The components of the composition in this embodiment are: 20 kg of polycarbonate, 45 kg of ABS, 3 kg of acrylonitrile-styrene copolymer (AS) compatibilizer, 10100.2 kg of antioxidant, and 0.2 kg of lubricant pentaerythritol stearate. Kg; among which polycarbonate has a melt index of 8g / 10min, produced by BAYER, ABS is a B440 brand product with a butadiene content of 40% produced by GE, AS compatibilizer is produced by DuPont, and antioxidant is Swiss steam Pakistan company, the lubricant is produced by ICI company.

[0031] The above components are mixed uniformly, and then extruded and granulated with a twin-screw extruder, and the processing temperature is: 260°C (plasticizing section).

[0032] The product has been tested and the performance is as follows: MFR22g / 10min, tensile yield strength 58MPa, bending strength 80MPa, bending modulus 2400MPa, Izod notched impact strength 23℃, 43KJ / m 2 , / -30℃,16KJ / m 2 .

[0033] The polycarbonate / ABS composition of this embodiment can ...

Embodiment 2

[0035] The components of the composition of this embodiment are: polycarbonate 6.5 kg, ABS 2.8 kg, compatibilizer 0.5 kg, antioxidant 168 is 0.3 kg, lubricant montanic acid ester is 0.1 kg; the polycarbonate melt index is 6 g / 10min, produced by GE, ABS is a B338 product with a butadiene content of 65% produced by GE, the compatibilizer acrylic grafted AS copolymer is produced by Mitsubishi, and the antioxidant is Ciba of Switzerland.

[0036] The above components are mixed uniformly, and then extruded and granulated with a twin-screw extruder, and the processing temperature is: 250°C (plasticizing section).

[0037] The product has been tested and the performance is as follows: MFR20g / 10min, tensile yield strength 60MPa, bending strength 85MPa, bending modulus 2300MPa, Izod notched impact strength 23℃, 40KJ / m 2 , / -30℃, 18KJ / m 2 .

[0038] The polycarbonate / ABS composition of this embodiment can be used as the raw material of the mobile phone shell. The mobile phone produced is su...

Embodiment 3

[0040] The components of the composition of this embodiment are: 90 kg of polycarbonate, 10 kg of ABS, 6 kg of AS compatibilizer, 0.3 kg of antioxidant, and 0.3 kg of lubricant PE wax; the melt index of polycarbonate is 12g / 10min, produced by Teijin Chemical Co., Ltd., and ABS is a B336 brand product with a butadiene content of 60% produced by GE.

[0041] The above components are mixed uniformly, and then extruded and granulated with a twin-screw extruder, and the processing temperature is: 270°C (plasticizing section).

[0042] The product has been tested and the performance is as follows: MFR24g / 10min, tensile yield strength 55MPa, flexural strength 86MPa, flexural modulus 2350MPa, Izod notched impact strength 23℃, 45KJ / m 2 , / -30℃, 18KJ / m 2 .

[0043] The polycarbonate / ABS composition of this embodiment can be used as the raw material of the mobile phone shell. The mobile phone produced is subjected to the whole machine impact test: the steel ball (special for the whole mobile...

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Abstract

The polycarbonate / ABS composite consists of polycarbonate in 20-90 weight portions, ABS in 8-72 weight portions, compatilizer in 2-8 weight portions, antioxidant in 0.2-0.4 weight portions and lubricant in 0.1-0.3 weight portions. The composition has excellent flowability, impact resistance and machining performance, and may be used as material for cellphone casing and various household appliance parts, especially suitable for thin-wall product.

Description

Technical field [0001] The invention relates to a polycarbonate / ABS composition and its use, belonging to the field of polymer alloys. Background technique [0002] Polycarbonate, especially bisphenol A polycarbonate, has outstanding impact toughness, excellent electrical insulation, a wide temperature range of use, and product dimension stability. It is an engineering plastic with good comprehensive properties. Although polycarbonate has good overall performance, some of its defects, such as easy stress cracking, sensitivity to notches, poor wear resistance and poor processing fluidity, need to be improved. [0003] Acrylonitrile-butadiene-styrene terpolymer (ABS) not only has excellent mechanical properties of toughness, hardness and rigid phase balance, but also has good chemical resistance, dimensional stability, surface gloss, and low temperature resistance Features, coloring performance and processing fluidity and other advantages. [0004] As engineering plastics with exce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L55/02
Inventor 吴全德
Owner 吴全德
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