Poly(4′-oxy-4-biphenylcarbonyl) (POBP) crystals are obtained from 4′-acetoxybiphenyl-4-carboxylic acid by high-temperature solution polycondensation. Based on the experiment, results indicate that the reorganization of crystals is accompanied by an increase of the DP by postpolymerization. From these experimental facts, it can be deduced that the formation mechanism of the bundlelike aggregates of fibrillar crystals is fundamentally similar to that in poly(oxy-1,4-benzenediylcarbonyl) whiskers and the apparent difference in crystal morphology is caused by the reorganization of crystals during slow lamellar crystallization of the oligomers formed in solution polymerization.
|Number of pages||5|
|Publication status||Published - Jan 2 1995|
ASJC Scopus subject areas
- Materials Chemistry