THE CRYSTALLIZATION BEHAVIOR OF URETHANE SUBSTITUTED POLYDIACETYLENE

CHEN Shouxi; G. Wegner

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THE CRYSTALLIZATION BEHAVIOR OF URETHANE SUBSTITUTED POLYDIACETYLENE

Papers | Updated：2021-06-21

- THE CRYSTALLIZATION BEHAVIOR OF URETHANE SUBSTITUTED POLYDIACETYLENE
- Vol. 7, Issue 2, Pages: 174-178(1989)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica, Beijing, China). G. Wegner
  2.   Academia Sinica
  3.   Beijing
  4.   China
  5.   Max-Planck-Institute of Polymer
  6.   Jakob-Welder-Weg 15
  7.   D- Mainz  ,6500
  8.   West Germany
- Author bio：
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CHEN Shouxi, G. Wegner. THE CRYSTALLIZATION BEHAVIOR OF URETHANE SUBSTITUTED POLYDIACETYLENE. [J]. 7(2):174-178(1989)
DOI：

CHEN Shouxi, G. Wegner. THE CRYSTALLIZATION BEHAVIOR OF URETHANE SUBSTITUTED POLYDIACETYLENE. [J]. 7(2):174-178(1989) DOI：

摘要

<正> The crystalline behavior of urethane substitute polydiacetylene was studied by using pohrized light and electron microscopy. The lamellar morphological structure was observed in the crystallized films. The thickness of lamellae is about 300A, being independent of the crystalline temperature. But the size and density of lamellae were dependent on the crystallization temperature. If the molten film was sheared during the crystallzation process the oriented lamellae grew with their long axes perpendicular to the direction of shear and the chain direction was normal to the lamellar surface.

Abstract

The crystalline behavior of urethane substitute polydiacetylene was studied by using pohrized light and electron microscopy. The lamellar morphological structure was observed in the crystallized films. The thickness of lamellae is about 300A, being independent of the crystalline temperature. But the size and density of lamellae were dependent on the crystallization temperature. If the molten film was sheared during the crystallzation process the oriented lamellae grew with their long axes perpendicular to the direction of shear and the chain direction was normal to the lamellar surface.

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