Thermal, Mechanical and Electrical Studies of Novel Shape Memory Polyurethane/Polyaniline Blends

Rabia Sattar; Ayesha Kausar; Muhammad Siddiq

doi:10.1007/s10118-015-1680-5

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Thermal, Mechanical and Electrical Studies of Novel Shape Memory Polyurethane/Polyaniline Blends

PAPER | Updated：2021-06-21

- Thermal, Mechanical and Electrical Studies of Novel Shape Memory Polyurethane/Polyaniline Blends
- Chinese Journal of Polymer Science Vol. 33, Issue 9, Pages: 1313-1324(2015)
- Affiliations：
  
  a.Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
  b.Nanosciences and Catalysis Division, National Centre for Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan
- Author bio：
  
  **Muhammad Siddiq; E-mail: m_sidiq12@yahoo.com
- Funds：
- DOI：10.1007/s10118-015-1680-5
  CLC：
- Received：09 February 2015，
  
  Revised：2015-04-01，
  
  Accepted：02 April 2015，
  
  Published：2015-09
- Accepted：
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Rabia Sattar, Ayesha Kausar, Muhammad Siddiq. Thermal, Mechanical and Electrical Studies of Novel Shape Memory Polyurethane/Polyaniline Blends[J]. Chinese Journal of Polymer Science, 2015, 33(9): 1313-1324.
DOI：

Rabia Sattar, Ayesha Kausar, Muhammad Siddiq. Thermal, Mechanical and Electrical Studies of Novel Shape Memory Polyurethane/Polyaniline Blends[J]. Chinese Journal of Polymer Science, 2015, 33(9): 1313-1324. DOI： 10.1007/s10118-015-1680-5.

摘要

Abstract

Shape memory polymer (SMP) blends based on polyurethane (PU) and polyaniline (PANI) were prepared via chemical

in situ

polymerization process. The thermal

mechanical

electrical and shape memory properties were investigated. The structural characterization and morphology of the polymer blends were inspected by Fourier transform infrared (FTIR) and scanning electron microscopy (SEM)

respectively. The 1 wt% of PANI loading enhanced the thermal stability of the system up to 339 °C. According to differential scanning calorimetry (DSC)

the glass transition temperature (

) and melting temperature (

) of PU/PANI blends increased with the polyaniline loading (0.1 wt%-1 wt%). Improved mechanical properties such as tensile strength and Young’s modulus of PU matrix were also observed with PANI. Moreover

the electrical conductivity of PU/PANI blends was also found to be a function of PANI loading. Remarkable recoverability of thermally triggered shape memory (SM) behavior to the extent of 96% was achieved for 1 wt% PANI blend.

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