ポリエチレンオキシベンゾエート繊維の弾性率

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タイトル別名
  • ELASTIC MODULUS OF POLYETHYLENE OXYBENZOATE FIBERS (STUDIES ON POLYESTERS FROM β-HYDROXYETHOXY AROMATIC ACIDS-IV)
  • ポリエチレンオキシベンゾエート センイ ノ ダンセイリツ

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説明

Peculiarity of the elastic modulus of the fibers made from polyethylene oxybenzoate (PEOB), an aromatic polyester, is discussed in terms of a series model.<br>The elastic moduli of PEOB fibers are mucn less than that of polyethylene terephthalate (PET) fibers. Influence of drawing and heat treating on the elastic moduli of the fibers were examined, and even in very well oriented PEOB fibers, elastic moduli greater than 1000kg/mm2 were never observed.<br>As Dulmage and Contois6) have previously reported, elastic moduli of crystalline and amorphous regions in high oriented polymers can be estimated by the extensions of their fiber identity period, their macroscopic moduli and their degree of crystallinity.<br>Elastic moduli of the crystalline and amorphous regions of PEOB fiber are 1230 and 500kg/mm2, and those of PET fiber are 13000 and 600kg/mm2 respectively, These values show that low elastic moduli of PEOB fibers are caused by the crystalline structure of contracted molecular chain configration.

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  • 繊維学会誌

    繊維学会誌 16 (5), 388-391, 1960

    社団法人 繊維学会

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