Modification of Xanthan Gum with Methyl Methacrylate and Investigation of Its Rheological Properties
Xanthan gum modification is considered a significant step in improving shearing, thermal degradation performance, and rheological properties. This paper investigates the rheology properties of the grafted copolymer based on xanthan gum and methyl methacrylate (XG-g-MMA), including shear stress a...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universitas Indonesia
2022-04-01
|
| Series: | International Journal of Technology |
| Subjects: | |
| Online Access: | https://ijtech.eng.ui.ac.id/article/view/4945 |
| Summary: | Xanthan gum
modification is considered a significant step in improving shearing, thermal
degradation performance, and rheological properties. This paper investigates
the rheology properties of the grafted copolymer based on xanthan gum and
methyl methacrylate (XG-g-MMA), including shear stress and viscosity versus
shear rate. The grafted copolymer XG-g-MMA was synthesized with different
composition ratios of methyl methacrylate (MMA) (1:1.6, 1:5, and 1:8 wt.%) in
the presence of a potassium persulphate initiator. Fourier transform infrared
spectroscopy (FTIR) characterized the obtained grafted xanthan gum (XG) to
confirm the grafting process. The results of the rheology analysis show that
grafted XG exhibited higher shear stress and viscosity than pure XG. However,
increasing the MMA ratio increases shear stress and viscosity with increasing
shear rate. In addition, the rheology measurement of the grafted copolymer
showed non-Newtonian shear thinning behavior for XG and XG-g-MMA. These results
can further its application in different fields, such as oil recovery and
pharmaceuticals. |
|---|---|
| ISSN: | 2086-9614 2087-2100 |