Die PVT-Daten eines Polyethylen-und cines (Ethen-Vinylacetat)-Copolymerwachses sowie die Loslichkeit von Ethen, Propan, Propen und But-1-en in der Schmelze werden mitgeteilt. Im untersuchten Druck-und Temperaturbereich nimmt die Loslichkeit mit steigendem Druck, fallender Temperatur, steigender C-Atom-Zahl der gasformigen Komponente und sinkendem z,, des Wachses zu. Aufbau und Funktionsweise der entwickclten Apparaturen werden erlautert. Mccaeaoeanm pacmeopwocmu ammena, nponaHa, nponena u 6ymena e pacnaaeax oauzoaepoe noauamuaena, a m a z w e (amusen-sunmayemam) eonoauaepax n p u memtepamypeao 473.15 Ec u aaeaenuax ao 30 M U a , Zlacmb I . Ycmanoeza u peayabmambs BopmocTb a~nJieaa, nponaaa, nponeaa II 6 y~e n a B pacnnase. B HccnenyeMoM mwepsane TeMnepaTyp R AasnemB Coo61qa1o~c~ PVT-naaHbIe HR3KOMOJTeKynHpHOrO IIOJIR3TMJIeHa R (3THJleH-BHHRnaqeTaT) COnOJIRMepa, a TaKme PaCTPaCTBOPIIMOCTb IIOBbILLIaeTCH C nOBbIUIeHHeM RaBJIeHIIH, nOHUXEeHHeM TeMIIepaTypbI, IIOBbIIIIeHHeM aTOMHOrO 9RCJIa c ra3006pa3~oro KOMnOHeHTa I4 yMeHblueHHeM MOneKynHpHOfi MaCCbI HH3KOMOneKynHpHOI' O nOJlII3TRneHEl. 06%-HCHHeTCH YCTpOfiCTBO II lIpBHqlln pa6OTbI pa3pa60TaHHOfi YCTaHOBKR.Investigations on solubility of ethene, propane, propene, and but-1-ene in molten oligomers of polyethylene and poly(etheneco-oinylacetate) at temperatures u p to 473.15 K and pressures u p to 30 MPa. Part I . Apparatuses and results Results of P-V-2'-measurements of a polyethylene and a poly(ethene-co-vinyl acetate) wax and solubility data of ethene, propane, propene, and but-1-ene in the molten waxes are reported. The solubility increases with increasing pressure, decreasing temperature, increasing number of C-atoms of the gaseous component, and decreasing 2" of the wax. The construction and the working principles of the developed equipment are explained.
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