Synthesis of a PEG-PNIPAm Thermosensitive Dendritic Copolymer and Investigation of Its Self-association

Farzad Seidi; Parvin Heshmati

doi:10.1007/s10118-015-1561-y

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Synthesis of a PEG-PNIPAm Thermosensitive Dendritic Copolymer and Investigation of Its Self-association

PAPER | Updated：2021-06-21

- Synthesis of a PEG-PNIPAm Thermosensitive Dendritic Copolymer and Investigation of Its Self-association
- Chinese Journal of Polymer Science Vol. 33, Issue 1, Pages: 192-202(2015)
- Affiliations：
  
  a.Department of Chemistry, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
  b.University of Kurdistan, Department of Chemistry, Sanandaj, Iran
- Author bio：
  
  **Farzad Seidi, E-mail: saidi_farzad@yahoo.com
- Funds：
- DOI：10.1007/s10118-015-1561-y
  CLC：
- Received：07 August 2014，
  
  Revised：2014-08-29，
  
  Accepted：29 August 2014，
  
  Published：2015-01
- Accepted：
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Farzad Seidi, Parvin Heshmati. Synthesis of a PEG-PNIPAm Thermosensitive Dendritic Copolymer and Investigation of Its Self-association[J]. Chinese Journal of Polymer Science, 2015, 33(1): 192-202.
DOI：

Farzad Seidi, Parvin Heshmati. Synthesis of a PEG-PNIPAm Thermosensitive Dendritic Copolymer and Investigation of Its Self-association[J]. Chinese Journal of Polymer Science, 2015, 33(1): 192-202. DOI： 10.1007/s10118-015-1561-y.

摘要

Abstract

A Novel thermosensitive dendritic copolymer based on polyethylene glycol (PEG) and poly(

-isopropylacrylamide) (PNIPAm) with a cloud point (CP) around 36 °C was successfully synthesized by preparation of a dendritic polyol and followed by atom transfer radical polymerization (ATRP) of

-isopropylacrylamide. The dendritic copolymer was characterized using gel-permeation chromatography (GPC)

FTIR and

H-NMR spectroscopy. The self-association behavior of the copolymer in aqueous medium was investigated by dynamic light scattering (DLS) and transmission electron microscopy (TEM). These investigations confirmed that the dendritic copolymer showed different association behaviors at various temperatures.

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