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Faculty of Sciences
Document Details
Document Type
:
Article In Journal
Document Title
:
Polybenzoxazine Precursors As Self-Healing Agents for Polysulfones
Polybenzoxazine Precursors As Self-Healing Agents for Polysulfones
Document Language
:
English
Abstract
:
In this work, a novel self-healing system based on the use of polybenzoxazine precursor (PBP) as a healing additive is presented. PBP (M-n = 2300 g/mol, M-w/M-n = 2.6) is facilely synthesized in a reasonable yield by Mannich type polycondensation of bisphenol A, 1,6-diaminohexane with paraformaldehyde. The additive PBP faintly undergoes a thermal ring-opening reaction when contained in polysulfone (PSU) films. Thermal treatment at 160 degrees C enables PBP to chemically bind to PSU chains and form networks through the Friedel Crafts reaction, demonstrating a novel self-healing behavior. The extent of the recovery was studied using a stress elongation (%) test and found to be 55%. Thermal properties of the polybenzoxazine precursor and the healed sample were investigated.
ISSN
:
0024-9297
Journal Name
:
MACROMOLECULES
Volume
:
46
Issue Number
:
22
Publishing Year
:
1434 AH
2013 AD
Article Type
:
Article
Added Date
:
Monday, July 17, 2017
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
O Taskin
Taskin, O
Researcher
B Kiskan
Kiskan, B
Researcher
Y Yagci
Yagci, Y
Researcher
Files
File Name
Type
Description
42042.pdf
pdf
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