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Studies of blends of poly(phenylene sulphide) and a liquid crystalline polymer—1. Compatibility and mechanical properties

✍ Scribed by G.O. Shonaike; S. Yamaguchi; M. Ohta; H. Hamada; Z. Maekawa; M. Nakamichi; W. Kosaka

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
389 KB
Volume
30
Category
Article
ISSN
0014-3057

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✦ Synopsis

Blends of poly(phenylene sulphide) (PPS) and a liquid crystalline polymer (LCP) have been investigated by differential scanning calorimetry (DSC). DSC results for these blends showed that the components were partially miscible. In the injection moulded samples, the DSC thermograms reveal a single melting peak whilst double melting peaks were observed in the pellets. Thermal properties such as Tin, T~, ACp and AH of the blends were determined. The thermal properties confirmed that partial miscibility occurred for the blends. Bending properties of the blends were also checked. Bending modulus was found to increase with increasing LCP content whilst the bending strength and elongation were found to reduce. These results are attributed to the stiffness of pure LCP.

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