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title

Evaluating PEG block length and CNC content on microphase separation of blocks in PCL-PEG-PCL/CNC based polyurethane nanocomposites

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 46
Year: 2019
COI code: IRCCE06_019
Paper Language: English

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Authors Evaluating PEG block length and CNC content on microphase separation of blocks in PCL-PEG-PCL/CNC based polyurethane nanocomposites

  Fatemeh Noormohammadi - Amirkabir university of technology, Polymer engineering and color technology, Tehran, Iran
  Mohammad Nourany - Amirkabir university of technology, Polymer engineering and color technology, Tehran, Iran
  Mehrad Zakizadeh - Amirkabir university of technology, Polymer engineering and color technology, Tehran, Iran
  Hanieh Aghaiee Ranjbar - Amirkabir university of technology, Polymer engineering and color technology, Tehran, Iran

Abstract:

In this work, a series of hydrogel polyurethane nanocomposites have been developed based on PCL-PEGPCL triblock polyol and cellulose nanocrystal (CNC) as a cross-linker and controller of microphase separation of blocks. Microphase separation of blocks was studied in detail as a function of PEG block length and CNCs content. CNC nanorods were found to act as a reducing agent of the microphase separation, possibly by rearranging the blocks through changing the morphology of hard domains from a 3D to a shell-like 2D structure, affecting the freedom of movement of the blocks, and finally controlling thermodynamic behaviors.

Keywords:

PCL-PEG-PCL, Cellulose nanocrystal, Polyurethane hydrogel, Nanocomposite.

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COI code: IRCCE06_019

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Noormohammadi, Fatemeh; Mohammad Nourany; Mehrad Zakizadeh & Hanieh Aghaiee Ranjbar, 2019, Evaluating PEG block length and CNC content on microphase separation of blocks in PCL-PEG-PCL/CNC based polyurethane nanocomposites, 6th International Conference on Chemical and Chemical Engineering, تهران, دبيرخانه دائمي كنفرانس, https://www.civilica.com/Paper-IRCCE06-IRCCE06_019.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Noormohammadi, Fatemeh; Mohammad Nourany; Mehrad Zakizadeh & Hanieh Aghaiee Ranjbar, 2019)
Second and more: (Noormohammadi; Nourany; Zakizadeh & Aghaiee Ranjbar, 2019)
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Type: state university
Paper No.: 19662
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