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Effect of blending of cholesteric cellulose esters on the pitch height

Title data

Hou, Haoqing ; Reuning, Arndt ; Wendorff, Joachim H. ; Greiner, Andreas:
Effect of blending of cholesteric cellulose esters on the pitch height.
In: Macromolecular Bioscience. Vol. 1 (February 2001) Issue 1 . - pp. 45-48.
ISSN 1616-5187
DOI: https://doi.org/10.1002/1616-5195(200101)1:1<45::AID-MABI45>3.0.CO;2-%23

Official URL: Volltext

Abstract in another language

Butyric esters (BuPC) of hydroxypropylcellulose (HPC) with different degrees of substitution (DS) were obtained by the reaction of (2-hydroxypropyl)cellulose with butyryl chloride. Blends of these BuPCs were obtained from ternary solutions by removal of the common solvent. The blends displayed thermotropic cholesteric mesophases and showed iridescent colors at ambient temperatures depending on the blend composition. The spectroscopic analysis of the blends showed systematic variations of the reflection colors with variations of the ratio of the blend components between the reflection colors of the pure blend components to pitch heights from 308-640 nm.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: HYDROXYPROPYL CELLULOSE; PHASE FORMATION; LIQUID-CRYSTAL; POLYMERS
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 14 Apr 2015 09:52
Last Modified: 28 Feb 2018 07:46
URI: https://eref.uni-bayreuth.de/id/eprint/9847