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集成工艺用于素脱聚合和纳米颗粒生产使用深度环氧溶剂溶剂.

Jungkyu Kim1, Chaeeun Kim1, Chaewoo Jeong1

  • 1Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.

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科学领域:

  • 生物质的价值化 生物质的价值化
  • 绿色化学 绿色化学
  • 材料科学 材料科学 材料科学

背景情况:

  • 复杂的天然聚合物林丰富,但由于加工挑战,其利用不足.
  • 传统的素修饰方法往往涉及强化学品和有限的效率.
  • 对生物炼油厂来说,开发可持续的木质素脱聚合和功能化的途径至关重要.

研究的目的:

  • 开发一种环保的连续工艺,用于木质素脱聚合.
  • 为了产生具有增强性质的稳定素纳米粒子 (DLNPs).
  • 为了探索深层欧性溶剂 (DESs) 在素价值化中的潜力.

主要方法:

  • 使用一种连续工艺,采用由胆化物和乳酸组成的深度解剂 (DES).
  • 使用DESs去聚合氨酸,然后在现场形成氨酸纳米粒子.
  • 通过化学和热分析,描述了由此产生的脱聚合的素纳米粒子 (DLNPs).

主要成果:

  • DESs有效地去聚合了红素,主要是通过裂解β-O-4链路,同时保持芳香度.
  • DLNP具有均的粒子大小,增强的表面电荷和出色的分散稳定性.
  • 连续的DES工艺产生了DLNP,其热稳定性优于强电.

结论:

  • 基于DES的连续工艺为素纳米粒子生产提供了一种可持续和高效的方法.
  • 由于提高了热稳定性,DLNP显示出对高价值应用的希望,包括阻燃剂.
  • 这种方法为传统的基于有机溶剂的方法提供了可行的替代品.