HU Jia-cong, HU Qi-yi, GU Yan. STUDIES ON THE CRYSTALLINITY, ORIENTATION AND SUPER-STRUCTURE OF HEPP BY FRS-XRSA AND SAXS II. The Effect of Annealing Temperature. [J]. Acta Polymerica Sinica (2):153-161(1991)
DOI:
HU Jia-cong, HU Qi-yi, GU Yan. STUDIES ON THE CRYSTALLINITY, ORIENTATION AND SUPER-STRUCTURE OF HEPP BY FRS-XRSA AND SAXS II. The Effect of Annealing Temperature. [J]. Acta Polymerica Sinica (2):153-161(1991)DOI:
STUDIES ON THE CRYSTALLINITY, ORIENTATION AND SUPER-STRUCTURE OF HEPP BY FRS-XRSA AND SAXS II. The Effect of Annealing Temperature
The present work is to investigate the effect of annealing temperature Tan on microst-ructure and superstructure of HEPP fibers by FRS-XRSA and SAXS. The results show that: FRS-XRSA is a new reasonable method for studying the preferred orientation polymers
It was found that as Tan increases
the melting-crystallization-remelting-processes approach a dynamic equilibrium and the twisted lamellae
which is different from previous literatures
works
extends gradually; long periodicity increases linearly and the lamellae thickness in-creases suddenly from Tan=110 to 120℃The superatructure oflamellae consists of two-layer crystallites.Tan effects on the microstrucrure and superstructure of HEPP fibers. are greater than tan effects.