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| 001 | 154519 | ||
| 005 | 20240619083459.0 | ||
| 037 | _ | _ | |a FZJ-2014-03833 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Wang, Zilin |0 P:(DE-Juel1)144087 |b 0 |e Corresponding Author |u fzj |
| 111 | 2 | _ | |a 11th International Meeting on Thermodiffusion |c Bayonne |d 2014-06-02 - 2014-06-06 |w France |
| 245 | _ | _ | |a Molar mass and temperature dependence of the thermodifusion of polyethylene oxide in water/ethanol mixtures |
| 260 | _ | _ | |c 2014 |
| 336 | 7 | _ | |a Poster |b poster |m poster |0 PUB:(DE-HGF)24 |s 1409841248_30196 |2 PUB:(DE-HGF) |x After Call |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a Output Types/Conference Poster |2 DataCite |
| 336 | 7 | _ | |a conferenceObject |2 DRIVER |
| 336 | 7 | _ | |a CONFERENCE_POSTER |2 ORCID |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
| 502 | _ | _ | |c University of Cologne |
| 520 | _ | _ | |a In this work we study the molar mass dependence of the thermodiffusion of polyethylene oxide atdifferent temperatures in water, ethanol and in a water/ethanol mixture (C_water = 0.7) in a molar massrange up to Mw=180000 g/mol. Due to the low solubility of polyethylene oxide oligomers in ethanol themeasurements are limited up to Mw=2200 g/mol. The specific water/ethanol concentration 0.7 is chosen,because at this weight fraction the thermal diffusion coefficient, D_T, of water/ethanol vanishes so thatthe system can be treated as a pseudo binary mixtures. The addition of ethanol will degrade the solventquality, so that we expect a change in the interaction energies, which can be calculated using a modelderived by Würger [1]. We also found that with adding ethanol to water, the thermodiffusion behavior ofPEO changes from thermophobic to thermophilic. |
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| 773 | _ | _ | |y 2014 |
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