Abstract
Objective of this project is to study whether extensional rheology is applicable for solutions of cellulose in ionic liquids. Rheological properties of cellulose-IL solutions have been studied widely with rotational rheometers. The lack of publications in the field of extensional rheology and interest towards supplemental information for dry-wet spinning process motivated for further experiments.Two polymeric raw materials are used; cotton linters and sulphite pulp. Pulps are characterized (molar mass distribution, intrinsic viscosity) and dissolved in 1-ethyl-3-methylimidazolium acetate at different concentrations. A capillary break-up extensional rheometer (CaBER) is used for the rheological characterization of the extensional behaviour of the solutions. The results are compared with results from a conventional rotational rheometer.
| Original language | English |
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| Publication status | Published - 2010 |
| MoE publication type | Not Eligible |
| Event | 239th ACS National Meeting - San Francisco, United States Duration: 21 Mar 2010 → 25 Mar 2010 Conference number: 239 |
Conference
| Conference | 239th ACS National Meeting |
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| Country/Territory | United States |
| City | San Francisco |
| Period | 21/03/10 → 25/03/10 |