从可再生资源中获得新聚合物的古老工具:[OSSO]型催化乙烯和合聚合物
Fatemeh Niknam1, Antonio Buonerba1,2,3, David Hermann Lamparelli1
1Department of Chemistry and Biology "Adolfo Zambelli", University of Salerno, Via Giovanni Paolo II, 132, 84084, Fisciano, SA, Italy. ccapacchione@unisa.it.
Faraday discussions
|September 22, 2025
概括
这项研究使用催化剂引入了来自β-米,乙烯和异的新型聚合物. 这些可持续弹性体对高性能应用具有有前途的性能.
科学领域:
- 聚合物化学 聚合物化学
- 催化剂是一种催化剂.
- 材料科学 材料科学 材料科学
背景情况:
- 像β-米尔这样的烯为聚合物提供了可持续的构建模块.
- 开发新的催化系统对于控制的烯与烯的聚合至关重要.
研究的目的:
- 合成和描述新型的共聚物和聚物,其中包括β-米,乙烯和异烯.
- 研究由此产生的聚合物的微观结构,组成和形态.
- 评估这些新材料作为高性能弹性体的潜力.
主要方法:
- 使用双{1,4-dithiabutanediyl-2,2'-bis(4,6-di-alkylphenoxy) 的复合物被甲基氨酸激活的共聚合.
- 通过13C和2DNMR光谱进行微结构分析.
- 使用触摸模式原子力显微镜 (AFM) 的形态学研究.
主要成果:
- 精确定义的PME共聚合物和PMEI聚合物用受控组合物 (高达49%的烯) 合成.
- 对于异二烯 (97% 1,4-trans) 和二烯 (94% 1,4-trans) 插入均观察到高立体选择性.
- 聚合物表现出相隔形态和低玻璃过渡温度 (-62~-74°C).
结论:
- 催化系统可以合成具有受控结构的新型多块 PMEI 聚合物.
- 合成的共聚合物和聚合物具有适用于可持续,高性能弹性体的特性.
- 这些发现为在先进的聚合物材料中利用烯开辟了道路.
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