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Effect of titanate coupling agent on electromagnetic interference shielding effectiveness and mechanical properties of PC–ABS–NCF composite

✍ Scribed by Wen-Yen Chiang; Yung-Shin Chiang

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
951 KB
Volume
46
Category
Article
ISSN
0021-8995

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✦ Synopsis

SYNOPSIS

Nickel-coated carbon fibers (NCF) treated with a coupling agent (CA) have been used for preparing composites of polycarbonate ( PC ) and acrylonitrile-butadiene-styrene ( ABS ) (901 10% ) by melt blending. These composites have been evaluated for electromagnetic interference shielding effectiveness (EM1 SE) , mechanical properties, dispersion, and adhesion of the polymer to a filler using the scanning electron microscope (SEM) . There is an improvement in the EM1 SE, tensile strength, and impact strength of the composite when the carbon fiber is coupled with titanate CA. In loading NCF in composite, the optimum concentration of the CA Lica 38 used is about 2.0 phf combined with 1.5 phf calcium stearate (Cast.) (on the weight percentage of fillers); the composite can reach an SE of 50 dB by the coaxial transmission line test method.

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