標題: Liquid crystalline polymer blends with stabilized viscosity
作者: Wei, KH
Kiss, G
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 1-三月-1996
摘要: The rheology of blends of thermotropic liquid crystalline copolyester co(hydroxybenzoate-isophthalate-hydroquinone) (HIQ) and polyetherimide were studied at different temperatures. As a result of the anisotropic-to-isotropic transition, the viscosity of the biphasic HIQ was found to be able to compensate that of the host polyetherimide at proper composition when the temperature increased or decreased in the capillary rheometer study. The 33% HIQ blend had almost stabilized viscosity between 350 and 370 degrees C, whereas the 15% HIQ blend did not have stabilized viscosity. For the nonisothermal spiral molding trial, the 33% HIQ blend stabilized at a mean length of 21 inches (53 cm) with a standard deviation of 2.1 inch (5.3 cm) when the melt temperature increased by 30 Celsius degrees from 340 to 370 degrees C.
URI: http://hdl.handle.net/11536/1411
ISSN: 0032-3888
期刊: POLYMER ENGINEERING AND SCIENCE
Volume: 36
Issue: 5
起始頁: 713
結束頁: 720
顯示於類別:期刊論文


文件中的檔案:

  1. A1996UB55700012.pdf