On the flow birefringence of polypropylene in solution
article
The flow birefringence of solutions of two samples of polypropylene is investigated. Trans-decalin is chosen as a solvent. The measuring temperature is 150 °C. The viscometric molecular weight of the samples is nearly the same, whereas the breadth of the molecular weight distribution is very different. The value of the apparent coil expansion, as calculated from flow birefringence data, is in particular very sensitive to the shape of the distribution function in the high molecular weight region. Conclusions are drawn as to the difference in skewness of the distributions of the two samples investigated. © 1966 Dr. Dietrich Steinkopff Verlag.
TNO Identifier
226924
ISSN
0303402X
Source
Kolloid-Zeitschrift & Zeitschrift für Polymere, 210(2), pp. 112-118.
Publisher
Steinkopff-Verlag
Pages
112-118
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