MORPHOLOGICAL CHARACTERIZATION OF POLY (N-VINYLCARBAZOLE) OBTAINED WITH ASYMMETRICALLY STEREOSELECTIVE POLYMERIZATION*

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MORPHOLOGICAL CHARACTERIZATION OF POLY (N-VINYLCARBAZOLE) OBTAINED WITH ASYMMETRICALLY STEREOSELECTIVE POLYMERIZATION*

Papers | Updated：2021-06-21

- MORPHOLOGICAL CHARACTERIZATION OF POLY (N-VINYLCARBAZOLE) OBTAINED WITH ASYMMETRICALLY STEREOSELECTIVE POLYMERIZATION*
- Vol. 17, Issue 2, Pages: 159-163(1999)
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- Published：20 April 1999
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MORPHOLOGICAL CHARACTERIZATION OF POLY (N-VINYLCARBAZOLE) OBTAINED WITH ASYMMETRICALLY STEREOSELECTIVE POLYMERIZATION*[J]. 1999, 17(2): 159-163.
DOI：

MORPHOLOGICAL CHARACTERIZATION OF POLY (N-VINYLCARBAZOLE) OBTAINED WITH ASYMMETRICALLY STEREOSELECTIVE POLYMERIZATION*[J]. 1999, 17(2): 159-163. DOI：

摘要

The morphological characterizations of poly(N -vinylcarbazole)(PVCZ) obtained by asymmetricallystereoselective polymerization were studied using x-ray diffraction pattern

DSC and GPC. The results showthat the PVCZs have lower crystallinities (11.0～18.6%) and lower melting heats (2.2～7.5 J/g)

but thedegree of crystallinities of the PVCZ samples obtained using the organic salts (acid) with chiral orstereodifferentiating ligands are higher than that using radical and general protonic initiator. It has shown that the crystallization is directly related to the pecking density of the hexagonal array of the rodlike molecules formed from the helical chain.

Abstract

The morphological characterizations of poly(N -vinylcarbazole)(PVCZ) obtained by asymmetricallystereoselective polymerization were studied using x-ray diffraction pattern

DSC and GPC. The results showthat the PVCZs have lower crystallinities (11.0～18.6%) and lower melting heats (2.2～7.5 J/g)

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