Synthesis and Characterization of Gelatin-Based Crosslinkers for the Fabrication of Superabsorbent Hydrogelsopen access
- Authors
- Amonpattaratkit, Penphitcha; Khunmanee, Sureerat; Kim, Dong Hyun; Park, Hansoo
- Issue Date
- Jul-2017
- Publisher
- MDPI AG
- Keywords
- gelatin; methacrylic anhydride; itaconic acid; swelling; biodegradation; superabsorbent hydrogels
- Citation
- MATERIALS, v.10, no.7, pp 826
- Journal Title
- MATERIALS
- Volume
- 10
- Number
- 7
- Start Page
- 826
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/4303
- DOI
- 10.3390/ma10070826
- ISSN
- 1996-1944
- Abstract
- In this work, crosslinkers were prepared by conjugating high-and low-molecular-weight gelatin with different mole ratios of itaconic acid (IA) with double bonds. Then, the gelatin-itaconic acid (gelatin-IA) crosslinkers were compared with the gelatin-methacrylate (gelatin-MA) crosslinkers. The molecular weights and structures of gelatin-MA and gelatin-IA were confirmed using gel permeation chromatography (GPC) and nuclear magnetic resonance (NMR). Additionally, the swelling ratio and biodegradation properties of the hydrogels using IA as starting monomers and gelatin-IA and gelatin-MA as crosslinkers were investigated. Both hydrogels prepared with high and low molecular weights of gelatin-IA showed higher swelling ratios than those prepared with the gelatin-MA. The results also showed that absorbent hydrogels with different biodegradabilities and swelling ratios could be prepared by changing the ratio of the gelatin-based crosslinkers.
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