Comprehensive Revision of Rate Constants in Cationic Polymerization

阳离子聚合速率常数的全面修订

• 批准号: 0131106
• 负责人: Rudolf Faust
• 金额: $ 29.6万
• 依托单位: University of Massachusetts Lowell
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-02-01 至 2005-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0131106&HistoricalAwards=false
• 关键词: Comprehensive; Revision; Rate; Constants; Cationic

The focus of this research is to extend diffusion clock methods to determine the rate constant of propagation, ionization (activation) and deactivation in the living polymerization of isobutylene, styrene and styrene derivatives, as a function of solvent, temperature and catalyst. Knowledge of these rate constants is fundamental for overall control in cationic polymer synthesis and also important in new catalyst development.With this award, the Organic and Macromolecular Chemistry Program is supporting the research of Dr. Rudolf Faust in the Department of Chemistry at the University of Massachusetts, Lowell. Professor Faust will focus his work on determining the absolute rate constants in cationic polymerization. These studies will promote renewed research in catalyst design and thus lead to the production of more efficient polymerization catalysts.

本研究的重点是扩展扩散钟方法，以确定异丁烯、苯乙烯和苯乙烯衍生物活性聚合中的传播、电离(活化)和失活的速率常数随溶剂、温度和催化剂的变化。对这些速率常数的了解对阳离子聚合物合成的总体控制是基本的，对新催化剂的开发也很重要。有了这一奖项，有机和高分子化学计划将支持马萨诸塞大学洛厄尔分校化学系的鲁道夫·福斯特博士的研究。浮士德教授将把工作重点放在测定阳离子聚合的绝对速率常数上。这些研究将促进催化剂设计的新研究，从而导致生产更高效的聚合催化剂。