Dehydroabietyl Glycidyl Ether Grafted Hydroxyethyl Chitosan: Synthesis, Characterization and Physicochemical Properties
| العنوان: | Dehydroabietyl Glycidyl Ether Grafted Hydroxyethyl Chitosan: Synthesis, Characterization and Physicochemical Properties |
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| المؤلفون: | Gui-gan Fang, Man Li, Zhaosheng Cai, Xue-mei Zhu, Wang Ting, Zhang Tingting |
| المصدر: | Tenside Surfactants Detergents. 56:252-259 |
| بيانات النشر: | Walter de Gruyter GmbH, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | General Chemical Engineering, 02 engineering and technology, General Chemistry, 010402 general chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Glycidyl ether, 0104 chemical sciences, Chitosan, chemistry.chemical_compound, chemistry, Organic chemistry, 0210 nano-technology |
| الوصف: | A series of novel polymeric nonionic surfactants based on water-soluble N,O-hydroxyethyl chitosan (N,O-HECTS) and dehydroabietyl glycidyl ether (DAGE), DAGE-g-N,O-HECTSs, were synthesized by an additive reaction between N,O-HECTS and DAGE. The structures of DAGE-g-N,O-HECTSs were characterized by FT-IR and 1H NMR. The substitution degree of hydroxyethylation (DSHE) of N,O-HECTS and the grafting degree (DG) of DAGE onto N,O-HECTS for DAGE-g-N,O-HECTSs were determined by elemental analysis. The surface activities of DAGE-g-N,O-HECTSs in aqueous solution were investigated by measuring the surface tension. The experimental results showed that the degree of grafting (DG) of DAGE-gN,O-HECTSs could have a significant impact on their critical micelle concentrations (CMCs) and surface tensions at the CMC (γCMC), but the DG of DAGE-g-N,O-HECTSs had almost no effect on the minimum of surface tensions (γmin). When using the DAGE-g-N,O-HECTSs as emulsifier, the increase in DG had a favorable influence on the stability of an emulsion of water and benzene. At a DG greater than 40.45%, the emulsifying power of DAGE-g-N,O-HECTS exceeded that of Tween-60. |
| تدمد: | 2195-8564 0932-3414 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::e6d03acca3146ef25bdd0d4c021acca9Test https://doi.org/10.3139/113.110618Test |
| رقم الانضمام: | edsair.doi...........e6d03acca3146ef25bdd0d4c021acca9 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 21958564 09323414 |
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