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相关概念视频

Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

2.5K
Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
2.5K

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相关实验视频

Updated: Jan 18, 2026

Utilization of Stop-flow Micro-tubing Reactors for the Development of Organic Transformations
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Utilization of Stop-flow Micro-tubing Reactors for the Development of Organic Transformations

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对用于乳液聚合的连续流反应器进行比较研究.

Kai-Yen Chin1, Angus Shiue1, Pei-Yu Lai1

  • 1Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.

Polymers
|September 13, 2025
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概括
此摘要是机器生成的。

像Advanced-FlowTM反应堆 (AFR) 这样的连续流反应堆提高了聚合物的安全性和效率. 将外部管道添加到AFR中显著提高了单体转换,并防止了阻塞,从而实现了高效的纳米级共聚合物生产.

关键词:
微型反应器微型反应器迷你乳液聚合的聚合方式氨酸氨酸是一种氨酸.

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相关实验视频

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科学领域:

  • 聚合物化学 聚合物化学
  • 化学工程是化学工程的重要组成部分.
  • 过程安全 过程安全 过程安全

背景情况:

  • 在批量和管状反应堆中,聚合物污染会由于热量的积累和堵塞而造成安全风险.
  • 连续反应器提供了更好的质量和热传输,提高了安全性和效率.
  • 康宁高级流动反应堆 (AFR) 是一种连续反应堆系统,旨在改善过程控制.

研究的目的:

  • 为了评估不同反应器系统的性能,用于小型乳液聚合.
  • 为了评估先进流量TM反应堆 (AFR) 在不同单体度下的可操作性和效率.
  • 研究反应堆配置对单体转换,粒子均性和工艺安全的影响.

主要方法:

  • 进行了烯的迷你乳液聚合和烯-烯酸共聚合.
  • 三个反应堆系统进行了比较:一个单一的AFR,一个具有外部管道的AFR和一个传统的管状反应堆.
  • 在不同的条件下监测了可操作性,单体转化,颗粒大小分布和污染.

主要成果:

  • 带有外管的AFR实现了最高的单体转化 (烯高达98.9%,共聚合高达95.4%).
  • 在单一的AFR中,在高达30%的重量%的单体度下产生了统一的纳米级颗粒.
  • 在单质的AFR中,在更高的单体度 (35重%的烯,17.5重%的共聚物) 中,出现了堵塞和颗粒均性的损失.

结论:

  • 将外部管道与AFR集成,可以显著改善启动器扩散和单体转换.
  • 这种配置减轻了反应堆的阻塞,使得高效的,连续生产均的聚钢和烯-烯酸共聚合物.
  • 带有外部管道的AFR为工业规模的聚合过程提供了更安全,更高效的替代方案.