通过使用离子液相继均转化对甘包中的多糖化物和红素进行芳香/异质替代物的受控分配
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Published on: August 10, 2016
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Shiori Suzuki1, Yosuke Hamano2, Naoki Wada2
1Research Faculty of Agriculture, Division of Fundamental Agriscience Research, Hokkaido University, North-9, West-9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan.
ACS omega
|June 5, 2023
概括
甘包油废弃物通过一种新的离子液体工艺转化为高性能生物塑料. 这种方法提高了纤维素,半纤维素和素之间的兼容性,改善了可持续材料的机械性能.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 生物质转换生物质转换
背景情况:
- 纤维素农业废弃物为生物质塑料提供了可持续的原料.
- 使用所有组件 (纤维素,半纤维素,素) 的挑战来自不良的兼容性和机械性能.
- 之前的方法并没有充分利用先进材料的基纤维素成分的潜力.
研究的目的:
- 开发一种简单可控的方法,将甘包转化为有价值的热塑性塑料.
- 为了克服林氏纤维素成分之间的不良兼容性的局限性.
- 提高生物质衍生塑料的机械性能.
主要方法:
- 使用了离子液体1-乙烯-3-甲基利米达乙酸盐,因为它具有可溶性和有机催化性能.
- 采用同质的,单化学修饰系统,用于甘包.
- 通过调整试剂比率和添加顺序来控制醇和六醇组的替代比率和分配.
主要成果:
- 在从改性甘包中获得的热压薄膜中实现了均的聚合物相.
- 证明成功控制了多糖和素成分的化学修饰.
- 由此产生的薄膜表现出增强的机械性能,包括抗拉强度 (∼20 MPa) 和高可塑性 (应变能量密度∼5 MJ m-3).
结论:
- 离子液介导的受控化是一种有效的策略,用于从甘袋中生产高性能生物质塑料.
- 这种方法可以使所有基纤维素成分的价值得到提升,从而改善材料性能.
- 开发的方法为从农业废物中制造先进的热塑性材料提供了可持续的途径.
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