应用化学 ›› 1990, Vol. 0 ›› Issue (6): 19-22.

• 研究论文 • 上一篇    下一篇

丁二烯聚合铁系催化剂的磁性分析

梁玉华, 陈滇宝, 郭秀光, 张阳, 唐学明   

  1. 青岛化工学院 青岛 266042
  • 收稿日期:1989-04-28 修回日期:1990-03-06 出版日期:1990-12-10 发布日期:1990-12-10
  • 基金资助:
    国家自然科学基金

MAGNETIC ANALYSIS OF CATALYST SYSTEM FeCL3-EA-Phen-Al(i-Bu)3 FOR BUTADIENE POLYMERIZATION

Liang Yuhua, Chen Dianbao, Guo Xiuguang, Zhang Yang, Tang Xueming   

  1. Qingdao Institute of Chemical Technology, Qingdao 266042
  • Received:1989-04-28 Revised:1990-03-06 Published:1990-12-10 Online:1990-12-10

摘要: 丁二烯聚合铁系催化剂FeCl3-Phen-Al(i-Bu)3的磁化率和紫外可见光谱测定结果表明,三氯化铁与乙酸乙酯(EA)形成高自旋络合物FeCl3·(EA)2;FeCl3·(EA)2-Al(i-Bu)3体系显强铁磁性;Phen有稳定Fe(Ⅱ)、显著降低铁磁性的作用。

关键词: 丁二烯, 聚合, 铁系催化剂, 磁性分析, 紫外可见光谱

Abstract: An iron-catalyst system FeCl3-Phen-Al(i-Bu)3 fos butadiene polymerization has beens tudied. The results of magnetic susceptibility and UV-Vis spectra measurements indicated that a high-spin complex FeCl3·(EA)2 was formed from FeCl3 and ethyl acetate(EA). The presence of o-phenanthroline(Phen)stabilizes Fe(Ⅱ),markedly reducing the ferromagnetismof the catalyst system.

Key words: butadiene, polymerization, iron catalyst, magnetic analysis