How Pressure Affects the Dynamic Viscosities of Two Poly(propylene glycol) Dimethyl Ether Lubricants
The dynamic viscosity of two poly(propylene oxide) dimethyl ethers with average molecular weights higher than 1.3 kg·mol−1 are the object of study in this work. The experimental measurements have been performed with a rotational automated viscometer and a high-pressure rolling-ball viscometer up to...
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| Veröffentlicht in: | Journal of chemical and engineering data 2010-09, Vol.55 (9), p.4088-4094 |
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| container_title | Journal of chemical and engineering data |
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| creator | Paredes, Xavier Pensado, Alfonso S Comuñas, María J. P Fernández, Josefa |
| description | The dynamic viscosity of two poly(propylene oxide) dimethyl ethers with average molecular weights higher than 1.3 kg·mol−1 are the object of study in this work. The experimental measurements have been performed with a rotational automated viscometer and a high-pressure rolling-ball viscometer up to 60 MPa at five temperatures ranging from (303.15 to 373.15) K. We present other physical properties that affect the lubrication, such as the viscosity index, the pressure−viscosity coefficient, and the temperature−viscosity coefficient. Several Vogel−Fulcher−Tammann (VFT) type equations were used to fit the viscosity experimental values to the pressure and temperature. The viscosity data have also been fitted as a function of temperature and volume to the thermodynamic scaling model of Roland et al. |
| doi_str_mv | 10.1021/je100285a |
| format | Article |
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The viscosity data have also been fitted as a function of temperature and volume to the thermodynamic scaling model of Roland et al.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><subject>Rheology and viscoelasticity</subject><issn>0021-9568</issn><issn>1520-5134</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNptkMFLwzAYxYMoOKcH_4NcBHeoJmmypsexTScM3GF6LenXry6ja0rSMvrfW5nMi6cHj9978B4h95w9cSb48x45Y0Irc0FGXAkWKR7LSzIaTB6laqqvyU0Ie8aYTAQfkWLljnTjMYTOI52VJUIbaLtDuuhrc7BAP20AF2xrMVBX0u3R0Y2r-sfGu6avsEb6VfXgqgld2AO2u76iyyHv6brLvQVTt-GWXJWmCnj3q2Py8bLczlfR-v31bT5bR0botI1yUYACg1BIxOlUG8kTrmIALkoNkoFWUEChUplIZIKlBaZa54LHSawwzeMxmZx6wbsQPJZZ4-3B-D7jLPu5JzvfM7APJ7YxAUxVelODDeeAiAUXsUz_OAMh27vO18OCf_q-AQP2cbQ</recordid><startdate>20100909</startdate><enddate>20100909</enddate><creator>Paredes, Xavier</creator><creator>Pensado, Alfonso S</creator><creator>Comuñas, María J. 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| source | ACS Publications |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Properties and characterization Rheology and viscoelasticity |
| title | How Pressure Affects the Dynamic Viscosities of Two Poly(propylene glycol) Dimethyl Ether Lubricants |
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