Memoirs of the Faculty of Engineering, Okayama University
Published by Faculty of Enginerring, Okayama University

<Formerly known as>
Memoirs of the School of Engineering, Okayama University

<Availability>
Some items are not available because of decision by its author or publisher.

Crystallization of Polymers from Solution under Shearing Stress I Polyethylene

Monobe Kazuo Department of Industrial Chemistry
Yamashita Yuhiko Department of Industrial Chemistry
Fujiwara Yasuo Department of Industrial Chemistry
Fujiwara Yoshitaka Department of Industrial Chemistry
抄録
We tried to clarify the crystallization mechanism of long chain polymers in solution under shearing stress using polyethylene. From the bright and dark field electron microscope observations and the electron diffraction study, we demonstrated that the resulting fibrous crystals consist of the central threads with an extended chain character and the lamellae with a folded chain character nucleated on the threads. The measurements of thermal and mechanical properties gave the additional confirmation for this suggestion. From these results we discussed the crystallization mechanism on the fibrous crystals.
ISSN
0475-0071
NCID
AA00733903