Tóth, Gergely and Bata, Attila and Belina, Károly (2017) Determination of Polymer Melts Flow-Activation Energy. GRADUS, 4 (2). pp. 318-322. ISSN 2064-8014
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Abstract
Inthis paper a methodis shown to calculate the activation energy of flow of high density polyethylene (HDPE), polystyrene (PS) and polycarbonate (PC). The importance of polymer melt flow properties during processing has reguired continuous research of polymer melt rheology. In the previous article we described how to measure polycarbonate shear viscosíty between 100 to 105 s-1 shear-rate region with standard and non-standard eguipment This article represent that shear viscosíty and activation energy of flow of the polymers depend on the chemical structure. It was found that more rigid molecular structure results higher values.
| Item Type: | Article |
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| Uncontrolled Keywords: | theology, activation energy, polycarbonate, polyethylene, polystyrene |
| Subjects: | Q Science / természettudomány > QD Chemistry / kémia |
| Depositing User: | Zoltán Subecz |
| Date Deposited: | 17 Jun 2020 08:40 |
| Last Modified: | 03 Apr 2023 06:49 |
| URI: | http://real.mtak.hu/id/eprint/109806 |
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