期刊
CARBOHYDRATE POLYMERS
卷 179, 期 -, 页码 86-92出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.09.065
关键词
Regenerated cellulose; Poly (lactic acid); Pickering emulsion; Biodegradable composites
资金
- National Natural Science Foundation of China [51403035]
- Programme of Introducing Talents of Discipline to Universities [105-07-005735]
- Fundamental Research Funds for the Central Universities [15D110510]
Reinforcement of biodegradable polymers with nanocellulose is attractive yet the effectiveness is often compromised by uneven dispersion. In this work, a general method of preparing reinforced biodegradable composites using regenerated cellulose (RC) was developed. From an oil-in-water Pickering emulsion of PLA/methylene chloride stabilized with RC, uniformly dispersed RC/PLA composites was obtained. The resulting RC/PLA composites showed enhanced crystallization and tensile strength of up to 34% compared with the native PLA, while the transmittance in the visible range remained above 70%. The Pickering emulsion-based composition procedure is simple, environment friendly and cost effectively, which could be applied to preparation of other RC-reinforced biodegradable composites.
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