The Studying on the Influence of Coupling Agents to Short Glass Fiber Reinforced Polyamide Composites

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Influence of coupling agents on microstructure and mechanical properties of short glass fiber reinforced PA66 composites(SGF/PA66) were investigated by using twin screws extruder and injection machine in this paper. When coupling agents (A1100 or A1100+A+B) were added, short glass fiber was distributed in the PA66 matrix more homogeneously; at the same time, the microstructure and properties of GF/PA66 were improved too. Modified effect of multiple coupling agent (A1100+A+B) is better than that of only A1100 and the desired content of A1100 is about 1.5~2.0wt%. When glass fiber content was less than the critical value (35~40%), mechanical properties of PA composites increase with fiber content increasing, but it begin to decrease when content was excess that value. At last, Failure mechanism of GF/PA66 (treated by A1100 or A1100+A+B) was obtained: adhesion of interface between glass fiber and PA66 matrix, friction after the adhesion, glass fiber pullouted and matrix failure.

Info:

Periodical:

Advanced Materials Research (Volumes 181-182)

Edited by:

Qi Luo and Yuanzhi Wang

Pages:

836-841

DOI:

10.4028/www.scientific.net/AMR.181-182.836

Citation:

J. Liu and X. G. Liu, "The Studying on the Influence of Coupling Agents to Short Glass Fiber Reinforced Polyamide Composites", Advanced Materials Research, Vols. 181-182, pp. 836-841, 2011

Online since:

January 2011

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$35.00

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