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- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received May 18, 2023
Revised June 19, 2023
Accepted July 18, 2023
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Porous cellulose propionate induced by mobile phase for specific channels
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Abstract
A polymer with pores close to a straight line was prepared by adding a plasticizer lactic acid to cellulose propionate. We succeeded in preparing for the porous cellulose propionate (CP) by a low-cost and eco-friendly manufacturing process with water treatment technology. The CP used in this study has a higher molecular weight and better
mechanical strength than the cellulose acetate (CA) widely used for the membrane. In general, as the molecular weight
of the polymer increases, the mechanical strength can be stronger. Thus, porous CP can be manufactured as a single film
without additional polymer support. The additive LA can penetrate into the CP chains and plasticize the membrane to
form pores. The manufactured membrane was installed in a water treatment machine and hydraulic pressure was
applied from 2 to 7 bar. The surface and the cross-section of the membrane were verified using SEM, and the membrane, to which hydraulic pressure was applied with a plasticizer, showed a surface in which pores were generated. Then,
FT-IR was investigated to confirm how the interaction between the functional groups between CP and LA changed.
Keywords
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