Accession Number : AD0824820
Title : POLY(HYDROXYPHENYLENES) THROUGH OXIDATIVE CATIONIC POLYMERIZATION.
Descriptive Note : Technical rept. Sep 65-Aug 66,
Corporate Author : AIR FORCE MATERIALS LAB WRIGHT-PATTERSON AFB OH
Personal Author(s) : Ehlers, Gerhard F. L.
Report Date : SEP 1967
Pagination or Media Count : 28
Abstract : Polyhydroxyphenylenes have been prepared by treating phenol, catechol, resorcinol, hydroquinone, 4,4'-dihydroxydiphenylether, and p-phenylphenol with ferric chloride at moderate temperatures. The resulting polymers are black or dark brown. Most of them are infusible, but they are easily soluble in dimethylformamide and dimehtylsulfxide, while lower molecular weight fractions are also soluble in acetone and one polymer in methanol. Inherent viscosities of up to 0.21 have been obtained, and molecular weights between 600 and approximately 5000. The structures of the polymers have been determined by elemetal analysis, NMR, infrared spectroscopy, decomposition studies, and secondary reactions. The thermal behavior has been evaluated by softening range determination, thermogravimetric analysis, and differential thermal analysis. (Author, modified).
Descriptors : *PHENOLS), (*POLYMERS, IONS, AROMATIC COMPOUNDS, MOLECULAR WEIGHT, NUCLEAR MAGNETIC RESONANCE, INFRARED SPECTROSCOPY, THERMOGRAVIMETRIC ANALYSIS, DIFFERENTIAL THERMAL ANALYSIS, HYDROCARBONS, POLYCYCLIC COMPOUNDS, OXIDATION, RESORCINOL, PHENYL ETHER, CATALYSTS, PYROLYSIS, SOLUBILITY, QUINONES, POLYMERIZATION, ABSORPTION.
Subject Categories : Atomic and Molecular Physics and Spectroscopy
Distribution Statement : APPROVED FOR PUBLIC RELEASE