SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITHIAZOLE RINGS

Neng-wen Ding; Wei-lin Sun; Yan Lin; Zhi-quan Shen

doi:10.1007/s10118-012-1162-y

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SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITHIAZOLE RINGS

PAPER | Updated：2023-01-03

- SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITHIAZOLE RINGS
- Chinese Journal of Polymer Science Vol. 30, Issue 5, Pages: 759-769(2012)
- Affiliations：
  
  a.Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
  b.Ningbo City College of Vocational Technology, Ninbo 315100, China
- Author bio：
  
  **Wei-lin Sun (孙维林), E-mail: opl_sunwl@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-012-1162-y
  CLC：
- Received：13 February 2012，
  
  Revised：2012-03-04，
  
  Accepted：07 March 2012，
  
  Published：2012-09
- Accepted：
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Neng-wen Ding, Wei-lin Sun, Yan Lin, et al. SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITHIAZOLE RINGS[J]. Chinese Journal of Polymer Science, 2012, 30(5): 759-769.
DOI：

Neng-wen Ding, Wei-lin Sun, Yan Lin, et al. SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITHIAZOLE RINGS[J]. Chinese Journal of Polymer Science, 2012, 30(5): 759-769. DOI： 10.1007/s10118-012-1162-y.

摘要

Abstract

A novel conjugated hyperbranched polymer containing bithiazole rings (PBTADB) was synthesized by polycondensation of 1

5-benzenetricarboxaldehyde and 2

2′-diamino-4

4′-bithiazole (DABT). The structure of the hyperbranched polymer was confirmed by FT-IR and 1H-NMR. PBTADB dissolved in organic polar solvents such as DMSO and NMP. Bithiazole rings were introduced to provide bidentate

-donor sites for binding metal ions. The metal complexes were prepared by chelation of the polymer with Co

and Sm

. The magnetic behavior of coordination compounds was measured as a function of magnetic field strength (0–4.8 × 10

A/m) at 5 K and as a function of temperature (5–300 K) at magnetic field strength of 2.4 × 10

A/m. The magnetic hysteresis loops of PBTADB-Sm

and PBTADB-Co

showed the typical 'S’shape at 5 K with the Curie-Weiss temperature

= 96 K and 41 K respectively. The results show that they exhibit properties of soft ferromagnetic materials.

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