ポリビニルアルコール球晶の延伸に伴う配向拳動と変形機構について

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タイトル別名
  • ORIENTATION BEHAVIOR AND DEFORMATION MECHANISM ON THE DRAWING OF POLYVINYL ALCOHOL SPHERULITE
  • ポリビニルアルコール キュウショウ ノ エンシン ニ トモナウ ハイコウ キョドウ ト ヘンケイ キコウ ニ ツイテ

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説明

The orientation behavior of crystallites during uniaxial stretching and its releasing for spherulite PVA are interpreted in terms of a spherulite deformation mechanism modified from that proposed by Sasaguri, Yamada and Stein (Model 1) and that proposed by Oda (Model 2).<br>Five deformation parameters characterizing the spherulite deformation mechanism, i.e., fraction of the folded-chain type crysta within crystal lamella at undeformed state, easiness of crystal transition from folded chain type to fringed-micellar type, easiness of lamella rotating and lamella sliping to [010] and [001] direction, showed reasonable changes with the stretching of the bulk polymers.<br>For the cold drawn spherulite PVA, the deformation mechanism of its spherulite is interpreted in terms of the lamella rotating around the a axis crystal, but for the hot drawn one, it is interpreted in terms of the lamella sliping to [010] direction of (100) plane.

収録刊行物

  • 繊維学会誌

    繊維学会誌 28 (6), 204-220, 1972

    社団法人 繊維学会

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