Vortrage Der Arbeitssitzung Des Fachausschusses Physik Der Hochpolymeren in Der Fruhjahrstagung Berlin 1971 Vom 9. 13. Marz Des Regionalverbandes Physikalische Gesellschaft Zu Berlin (German, Paperback)

Raum ist demnach beim System PST-Cyclo hexan um einen Faktor 1,44 gro13er als beim The self-diffusion coefficient of Benzene and Cyclo hexane in Polystyrene (PST) was investigated over a System PST-Benzol. Diesel' aus dem Verhalt wide temperature and conccntration range. The nis del' Steigungen ermittelte Wert stimmt measurements were carried out by the spin-echo recht gut mit dem aus dem Verhaltnis del' method applying the technique of time dependant and Van der-Waalsschen V olumina errechneten alternating field gradients. The data provided by the mentioned investigations Wert iiberein. were calculated according to the theory of free volume. The minimum free volume. which is needed for a site 3.5. Zur Phenylgruppenbeweglichkeit im. PST changing process, was determined on thc basis of these experimental results. The significant maximum Das Freie Volumen, das bis herab zu 70 C of the temperature dependence of thc free volume. linear mit sinkender Temperatur abnimmt, observed at 50 QC. revealed to be due to displacements steigt bei weiterer Temperaturerniedrigung of Phenyl-groups in PST. wieder an und zeigt im System PST-Benzol bei 55 C und im System PST -Cyclohexan Literatur bei 50 C ein ausgepragtes Maximum. Unter halb 40 C falIt das Freie Volumen 1(0, T) 1) Fnjita, H., Adv. Polymer Sci. 3, 1 (l J(il). 2) Fujita, H .. A. Kishimoto. and K. Matsumoto, wieder proportional zur Temperatur. Die Trans. Faraday Soc. 56, 424 (1960)."

General

Imprint:	Steinkopff Darmstadt
Country of origin:	Germany
Series:	Aktuelle Probleme Der Polymer-Physik, 2
Release date:	1971
First published:	1971
Editors:	E.W. Fischer • F. Horst Muller
Dimensions:	279 x 210 x 7mm (L x W x T)
Format:	Paperback - Trade
Pages:	114
ISBN-13:	978-3-7985-0343-4
Languages:	German
Categories:	Books > Science & Mathematics > Chemistry > Physical chemistry > General Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Industrial chemistry > General Books > Professional & Technical > Mechanical engineering & materials > Materials science > General
LSN:	3-7985-0343-5
Barcode:	9783798503434

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