Silanization of multi-walled carbon nanotubes and the study of its effects on the properties of polyurethane rigid foam nanocomposites
Source abstract
Abstract
Abstract In the current report, surface modification of hydroxylated multi-walled carbon nanotubes (OH-MWCNTs) was done by silanization with 3-aminopropyltriethoxysilane (APTS) and dipodal silane (DSi). Then, rigid polyurethane (PU) foam nanocomposites were prepared by silanized MWCNTs to investigate the effects of the silane-modified MWCNTs on the mechanical, thermal, and morphological properties of the nanocomposites. Morphological studies showed that the addition of silanized MWCNTs to the PU matrix increases the cell density of nanocomposites. The obtained data from SEM analysis also showed the nanoparticles dispersion for 1.5 wt% of DSi-MWCNT (dipodal silane - MWCNT) loading when compared to same loading level of Si-MWCNT (APTS - MWCNT) and resulted in improved mechanical properties of nanocomposites. The results of mechanical tests showed that the Young’s moduli as well as tensile strengths were improved due to the presence of strong interfacial interaction between the PU matrix and the nanotubes in PU nanocomposites.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Carbon Nanotubes in Composites · Polymer Nanocomposites and Properties · Polymer composites and self-healing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (29)
Show source-provided references
1. Helical microtubules of graphitic carbon10.1038/354056a0 ↗
2. Physics of carbon nanotubes10.1016/0008-6223(95)00017-8 ↗
3. Carbon nanotubes: past, present, and future10.1016/S0921-4526(02)00869-4 ↗
4. Carbon nanotubes: properties and application10.1016/j.mser.2003.10.001 ↗
5. Carbon nanotube–polymer composites: chemistry, processing, mechanical and electrical properties10.1016/j.progpolymsci.2009.09.003 ↗
6. Small but strong: a review of the mechanical properties of carbon nanotube–polymer composites10.1016/j.carbon.2006.02.038 ↗
7. Advances in the science and technology of carbon nanotubes and their composites: a review10.1016/S0266-3538(01)00094-X ↗
8. Functional multi-walled carbon nanotube/polyaniline composite films as supports of platinum for formic acid electrooxidation10.1016/j.apsusc.2007.10.033 ↗
9. Dispersion and functionalization of carbon nanotubes for polymer-based nanocomposites: a review10.1016/j.compositesa.2010.07.003 ↗
10. Effect of ultrasound sonication in carbon nanofibers/polyurethane foam composite10.1016/j.msea.2007.01.031 ↗
11. Chemical functionalization of carbon nanotubes through an organosilane10.1088/0957-4484/13/4/311 ↗
12. Functionalization of carbon nanotubes using a silane coupling agent10.1016/j.carbon.2006.06.032 ↗
13. Wear properties of 3-aminopropyltriethoxysilane-functionalized carbon nanotubes reinforced ultra high molecular weight polyethylene nanocomposites10.1002/pen.21682 ↗
14. Oxidation and reduction of multiwalled carbon nanotubes—preparation and characterization10.1016/j.matchar.2009.11.008 ↗
15. Chemical oxidation of multiwalled carbon nanotubes10.1016/j.carbon.2008.02.012 ↗
16. Evaluation of mild acid oxidation treatments for MWCNT functionalization10.1016/j.carbon.2009.06.044 ↗
17. Influence of carbon nanotubes and polypyrrole on the thermal, mechanical and electroactive shape-memory properties of polyurethane nanocomposites10.1016/j.compscitech.2006.10.013 ↗
18. Effect of nanotube functionalization on the properties of single-walled carbon nanotube/polyurethane composites10.1002/polb.21069 ↗
19. Enhancement in thermal and mechanical properties of polyurethane foam infused with nanoparticles10.1016/j.msea.2007.06.060 ↗
20. The thermal and mechanical properties of a polyurethane/multi-walled carbon nanotube composite10.1016/j.carbon.2006.04.005 ↗
21. Synthesis and characterization of expandable graphite–poly (methyl methacrylate) composite particles and their application to flame retardation of rigid polyurethane foams10.1016/j.polymdegradstab.2009.03.016 ↗
22. Novel modified nanosilica-based on synthesized dipodal silane and its effects on the physical properties of rigid polyurethane foams10.1163/138577210X12634696333631 ↗
23. Preparation and properties of polyurethane/functionalized multi-walled carbon nanotubes rigid foam nanocomposites10.14314/polimery.2014.776 ↗
24. Influence of silane concentration on the silanization of carbon nanotubes10.1016/j.carbon.2013.02.031 ↗
25. Extrusion of polystyrene nanocomposite foams with supercritical CO210.1002/pen.10107 ↗
26. Influence of nanofillers on thermal insulating properties of polyurethane nanocomposites foams10.1002/pen.20819 ↗
27. On the merits of Raman spectroscopy and thermogravimetric analysis to asses carbon nanotube structural modifications10.1007/s00339-012-6787-8 ↗
28. Preparation and characterisation of polyurethane grafted single-walled carbon nanotubes and derived polyurethane nanocomposites10.1039/b601152g ↗
29. Self-organizing alignment of carbon nanotubes in thermoplastic polyurethane10.1002/marc.200500531 ↗