期刊
INTERNATIONAL JOURNAL OF THERMOPHYSICS
卷 22, 期 3, 页码 749-768出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/A:1010770831215
关键词
density; dialkyl carbonates; high pressure; internal pressure; isobaric thermal expansion coefficients; isothermal compressibilities; polyethylene glycol dimethyl ethers; viscosity
The viscosity and density of four pure liquid compounds (dimethyl carbonate, diethyl carbonate, triethylene glycol dimethyl ether, and tetraethylene glycol dimethyl ether) were measured at several temperatures between 283.15 and 353.15 K. The density measurements were performed up to 60 MPa with an uncertainty of 1 X 10(-4) g.cm(-3). The viscosity at atmospheric pressure was measured with an Ubbelohde-type glass capillary tube viscometer with an uncertainty of +/-1 %. At pressures up to 100 MPa the viscosity was determined with a falling ball viscometer with an uncertainty of +/-2 %. The density (410 experimental values) and viscosity data (184 experimental values) were fitted to several correlation equations.
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