Biphenyl Bis[(π-cyclopentadienyl)iron]Dication as an Efficient Cationic Photoinitiator for Epoxy Polymerization

王涛; 张影; 任晓玲

doi:10.1016/S1004-9541(08)60162-7

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Biphenyl Bis[(π-cyclopentadienyl)iron]Dication as an Efficient Cationic Photoinitiator for Epoxy Polymerization

Updated：2026-01-06

- Biphenyl Bis[(π-cyclopentadienyl)iron]Dication as an Efficient Cationic Photoinitiator for Epoxy Polymerization
- Chinese Journal of Chemical Engineering Vol. 16, Issue 5, Pages: 819-822(2008)
- Affiliations：
  
  State Key Lab of Chemical Resource Engineering, College of Science, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60162-7
  CLC：
- Published：2008
- Accepted：
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WANG Tao, ZHANG Ying, REN Xiaoling. Biphenyl Bis[(π-cyclopentadienyl)iron]Dication as an Efficient Cationic Photoinitiator for Epoxy Polymerization[J]. , 2008, 16(5): 819-822.
DOI：

WANG Tao, ZHANG Ying, REN Xiaoling. Biphenyl Bis[(π-cyclopentadienyl)iron]Dication as an Efficient Cationic Photoinitiator for Epoxy Polymerization[J]. , 2008, 16(5): 819-822. DOI： 10.1016/S1004-9541(08)60162-7.

摘要

Abstract

Ferrocenium monocations as photoinitiators for cationic photopolymerization suffer from a limitation of low absorption and low reactivity under high-pressure Hg lamp.Here

a ferrocenium dication salt

biphenyl bis [(π-cyclopentadienyl)iron

]

hexafluorophosphate([bis(Cp-Fe)-biphenyl

]

(PF

)

was synthesized by the ligand exchange reaction between ferrocene and biphenyl.The chemical structure was characterized with FTIR and

HNMR. The separation of ferrocenium monocation cyclopentadien-iron-biphenyl hexafluorophosphate([Cp-Fe-biphenyl

]

)and dication[bis(Cp-Fe)-biphenyl

]

(PF

)

was carried out by column chromatography.The photoactivity of initiating photopolymerization of epoxide ERl4221 was studied as a cationic photoinitiator.[Bis(Cp-Fe)-biphenyl

]

(PF

)

can efficiently absorb radiation above 300nm and its photoactivity is higher than that of its monocation.

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