Preparation of poly(ethylene oxide) brush‐grafted multiwall carbon nanotubes and their effect on morphology and mechanical properties of rigid polyurethane foam

• DOI: 10.1002/pi.5676
• Publication Date: 2018-07-20T07:22:05Z
• Authors: Keping Chen; Fen Cao; Shuen Liang; Jianhua Wang; Chunrong Tian
• Keywords: Thermogravimetric analysis

Abstract Poly(ethylene oxide)‐grafted multiwall carbon nanotubes (PEO‐ graft ‐MWCNT) were successfully prepared by a ring‐opening polymerization of ethylene oxide. Thermogravimetric analysis results indicated that the amount grafted PEO polymer was about 40.0 wt%. Rigid polyurethane foams (PUFs) filled with MWCNTs and PEO‐ ‐MWCNT also fabricated to investigate influence interfacial layer on foaming process, morphology mechanical properties PUF. The had limited impact viscosity viscoelastic polyol. Meanwhile, addition beneficial for decreasing pore size glass transition temperature ‐MWCNT/PUF composites increase gradually filler content, which can be attributed good compatibility strong interaction between © 2018 Society Chemical Industry