SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT

ZHENG  Renhua; JIANG  Huajiang; GUO  Haichang; SUN  Weilin

doi:10.3724/SP.J.1105.2011.10386

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SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT
- Acta Polymerica Sinica Issue 5, Pages: 435-440(2011)
- 作者机构：
- 作者简介：
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- DOI：10.3724/SP.J.1105.2011.10386
  CLC：
- Published：20 May 2011，
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ZHENG Renhua, JIANG Huajiang, GUO Haichang, SUN Weilin. SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT. [J]. Acta Polymerica Sinica (5):435-440(2011)
DOI：

ZHENG Renhua, JIANG Huajiang, GUO Haichang, SUN Weilin. SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT. [J]. Acta Polymerica Sinica (5):435-440(2011) DOI： 10.3724/SP.J.1105.2011.10386.

摘要

以5

6-二胺-1

10-菲罗啉与2

6-吡啶二甲酸缩聚合成得到一种新的含邻菲罗啉结构的聚西佛碱

并制备了其相应的与过渡金属离子Ni2+ 和Fe2+以及稀土离子Nd3+的配合物

通过红外光谱

核磁共振和元素分析等手段对聚合物及其金属配合物的结构进行了表征

并分析和讨论了它们的磁学性能. 结果表明

这一类金属配合物在低温区，磁化率倒数与温度的关系不服从居里-外斯定律，存在着铁磁耦合，其中聚合物的镍和钕的配合物是软铁磁体

而聚合物的亚铁配合物是反铁磁体.

Abstract

A novel poly(Schiff base) containing 1

10-phenanthroline (DAPcPYA) was synthesized by the polycondensation of 2

6-pyridinedicarboxaldehyde (PYA) with 5

6-diamine-1

10-phenanthroline (DAP). Three polymeric complexes were first prepared by the reaction of polymer (DAPcPYA) with NiSO4

FeSO4

and NdCl3

respectively. The structures of the polymer and the complexes were characterized by IR

1HNMR

and elemental analysis. The magnetic behaviors of these complexes were measured as a function of magnetic field strength (0~4.0106 A/m) at 5 K and as a function of temperature (5~300 K) at a magnetic field strength of 2.4106 A/m. The results show that DAPcPYA-Ni2+ and DAPcPYA-Nd3+ were soft ferromagnets

whereas DAPcPYA-Fe2+ exhibited the features of an antiferromagnet.

关键词

合成邻菲罗啉聚西佛碱金属配合物磁性能

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Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials Sichuan, Sichuan University

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