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Conference paper

Use of Intrinsic Viscosity for evaluation of polymer-solvent affinity

By Marani, Debora1,2; Hjelm, Johan1,3; Wandel, Marie1,4

From

Department of Energy Conversion and Storage, Technical University of Denmark1

Ceramic Engineering & Science, Department of Energy Conversion and Storage, Technical University of Denmark2

Applied Electrochemistry, Department of Energy Conversion and Storage, Technical University of Denmark3

Secretariat, IT, Department of Energy Conversion and Storage, Technical University of Denmark4

The objective of the current paper was to define a rheological method for the study of the solvent/binder affinity. The adopted strategy involves the study of the intrinsic viscosity [η] of polymer solutions. [η] was estimated via an extrapolation procedure using the Huggins and Kramer equations. The effects of chemical structure and molecular weight on the polymer/solvent affinity were investigated.

Rheological properties of Ethyl Cellulose (EC), Polyvinyl Butyral (PVB) and Polyvinyl Acetal (PVAc) resins in a solution of a high boiling point glycol ether solvent were explored and compared. The intrinsic viscosity and the Mark-Houwink shape parameter were estimated for the three polymers and used as criteria for estimating the polymer/solvent affinity.

Language: English
Year: 2013
Proceedings: 22nd Nordic Rheology Conference
ISSN: 16014057
Types: Conference paper
ORCIDs: Marani, Debora , Hjelm, Johan and Wandel, Marie

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