ISSN:
0360-6376
Keywords:
Physics
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Evidence is given for the relationship \documentclass{article}\pagestyle{empty}\begin{document}$ T_m = T_m^ \circ \left[ {1 - 2RT_m \ln {{{\rm (}n)} \mathord{\left/ {\vphantom {{{\rm (}n)} n}} \right. \kern-\nulldelimiterspace} n}\Delta h} \right] $\end{document} describing the approximate dependence of the observed melting points Tm of oligomers on their degree of polymerization n, and its use in determining the equilibrium melting point T°m of the extended chain crystal and the heat of fusion Δh. Polyethylene and the n-alkanes, poly(ethylene oxide) and poly(methylene oxide), polyphenylene and other systems are considered.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/pol.1976.170141201
