Citation: CHEN Shouxi, G.Wegner. MORPHOLOGY AND PROPERTIES OF SEGMENTED BLOCK COPOLY (ETHER ESTER)S FIBERS MADE BY GEL-DRAWING[J]. Chinese Journal of Polymer Science, ;1988, 6(1): 36-44. shu

MORPHOLOGY AND PROPERTIES OF SEGMENTED BLOCK COPOLY (ETHER ESTER)S FIBERS MADE BY GEL-DRAWING

CHEN Shouxi ,
G.Wegner

Received Date: 3 December 1986

The segmented block copoly(ether ester)s were swollen by tetrahydrofuran (THF) at 60℃ and formedfibers by gel-drawing. The morphology and properties of these fibers were investigated by optical and electron microscopes, X-ray diffraction, DSC and an Instron test machine. The band structure morphology was observed in the gel-drawing fibers. The molecular chains were highly oriented as proved by X-ray diffraction data. The results indicated that the gel-drawing fibers have much better mechanical properties than those obtained otherwise.The tensile strength and elastic modulus were found to be 280 MPa and 802 MPa,repsectively.The mechanism of the gel-drawing process was also discussed.
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