Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites

J. H. Koo, L. A. Pilato, G. Wissler, A. Lee, A. Abusafieh, J. Weispfenning

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • 10 Citations

Abstract

Cytec Engineered Materials (CEM) CYCOM® 977-3, a high temperature damage tolerant multifunctional epoxy resin system was modified with three types of nanoparticles: chemically modified montmorillonite (MMT) organoclays, surface treated nanosilica, and surface modified carbon nanofibers (CNF) to create new types of epoxy nanocomposites. Wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM) were used to determine the degree of dispersion. Dynamic mechanical thermal analysis (DMTA) was used to determine the T g and complex modulus of the polymer nanocomposites. The TEM analyses indicated that the MMT clay, nanosilica, and CNF dispersed very well in the epoxy resin system. Evidence is presented that a nanophase is formed when nanoparticles such as surface treated clay, surface treated nanosilica, or carbon nanofibers are introduced into the epoxy resin. Higher T g and complex modulus values from DMTA for the nanomodified materials are presented as evidence for nanophase presence in the epoxy resin system as compared to lower T g and complex modulus for the epoxy resin control. The DMTA data of the neat epoxy nanosilica nanocomposite (2% Aerosil® R202) show the highest T g (258°C) and the highest complex modulus (964 MPa). Five epoxy nanocomposites were selected to produce prepregs using AS4-6K fabric, followed by fabrication into composite panels. The short beam shear values of all epoxy nanocomposites were slightly lower than the baseline with 3% Aerosil® R202 and 2% PR-19-PS-Ox CNF higher than the baseline. The flexural strength of all the epoxy nanocomposites were slightly lower than the baseline with the 2% Cloisite® 10A and 3% Aerosil® R202 materials higher than the baseline. Flatwise tension strength values of all the epoxy nanocomposites were slightly lower than the baseline with 2% PR-19-PS-Ox and 2% Aerosil® R202 samples higher than the baseline material. The G 1C and G 2C values of all the epoxy nanocomposites were below the baseline except for 2% Aerosil® R805 (G 1C) and 2% PR-19-PS-Ox (G 2C) being higher than the baseline.

LanguageEnglish (US)
Title of host publicationInternational SAMPE Symposium and Exhibition (Proceedings)
Pages1935-1948
Number of pages14
Volume50
StatePublished - 2005
Event50th International SAMPE Symposium and Exhibition - Long Beach, CA, United States
Duration: May 1 2005May 5 2005

Other

Other50th International SAMPE Symposium and Exhibition
CountryUnited States
CityLong Beach, CA
Period5/1/055/5/05

Profile

Polymer matrix composites
Carbon fibers
Epoxy Resins
Nanocomposites
Epoxy resins
Carbon nanofibers
Silicon Dioxide
Thermoanalysis
Bentonite
Clay minerals
Clay
Nanoparticles
Transmission electron microscopy
Organoclay
carbon fiber
Bending strength
Polymers
Fabrication
X ray diffraction
Composite materials

ASJC Scopus subject areas

  • Building and Construction
  • Chemical Engineering(all)
  • Polymers and Plastics
  • Chemical Engineering (miscellaneous)

Cite this

Koo, J. H., Pilato, L. A., Wissler, G., Lee, A., Abusafieh, A., & Weispfenning, J. (2005). Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites. In International SAMPE Symposium and Exhibition (Proceedings) (Vol. 50, pp. 1935-1948)

Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites. / Koo, J. H.; Pilato, L. A.; Wissler, G.; Lee, A.; Abusafieh, A.; Weispfenning, J.

International SAMPE Symposium and Exhibition (Proceedings). Vol. 50 2005. p. 1935-1948.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Koo, JH, Pilato, LA, Wissler, G, Lee, A, Abusafieh, A & Weispfenning, J 2005, Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites. in International SAMPE Symposium and Exhibition (Proceedings). vol. 50, pp. 1935-1948, 50th International SAMPE Symposium and Exhibition, Long Beach, CA, United States, 5/1/05.
Koo JH, Pilato LA, Wissler G, Lee A, Abusafieh A, Weispfenning J. Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites. In International SAMPE Symposium and Exhibition (Proceedings). Vol. 50. 2005. p. 1935-1948.
Koo, J. H. ; Pilato, L. A. ; Wissler, G. ; Lee, A. ; Abusafieh, A. ; Weispfenning, J./ Epoxy nanocomposites for carbon fiber reinforced polymer matrix composites. International SAMPE Symposium and Exhibition (Proceedings). Vol. 50 2005. pp. 1935-1948
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N2 - Cytec Engineered Materials (CEM) CYCOM® 977-3, a high temperature damage tolerant multifunctional epoxy resin system was modified with three types of nanoparticles: chemically modified montmorillonite (MMT) organoclays, surface treated nanosilica, and surface modified carbon nanofibers (CNF) to create new types of epoxy nanocomposites. Wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM) were used to determine the degree of dispersion. Dynamic mechanical thermal analysis (DMTA) was used to determine the T g and complex modulus of the polymer nanocomposites. The TEM analyses indicated that the MMT clay, nanosilica, and CNF dispersed very well in the epoxy resin system. Evidence is presented that a nanophase is formed when nanoparticles such as surface treated clay, surface treated nanosilica, or carbon nanofibers are introduced into the epoxy resin. Higher T g and complex modulus values from DMTA for the nanomodified materials are presented as evidence for nanophase presence in the epoxy resin system as compared to lower T g and complex modulus for the epoxy resin control. The DMTA data of the neat epoxy nanosilica nanocomposite (2% Aerosil® R202) show the highest T g (258°C) and the highest complex modulus (964 MPa). Five epoxy nanocomposites were selected to produce prepregs using AS4-6K fabric, followed by fabrication into composite panels. The short beam shear values of all epoxy nanocomposites were slightly lower than the baseline with 3% Aerosil® R202 and 2% PR-19-PS-Ox CNF higher than the baseline. The flexural strength of all the epoxy nanocomposites were slightly lower than the baseline with the 2% Cloisite® 10A and 3% Aerosil® R202 materials higher than the baseline. Flatwise tension strength values of all the epoxy nanocomposites were slightly lower than the baseline with 2% PR-19-PS-Ox and 2% Aerosil® R202 samples higher than the baseline material. The G 1C and G 2C values of all the epoxy nanocomposites were below the baseline except for 2% Aerosil® R805 (G 1C) and 2% PR-19-PS-Ox (G 2C) being higher than the baseline.

AB - Cytec Engineered Materials (CEM) CYCOM® 977-3, a high temperature damage tolerant multifunctional epoxy resin system was modified with three types of nanoparticles: chemically modified montmorillonite (MMT) organoclays, surface treated nanosilica, and surface modified carbon nanofibers (CNF) to create new types of epoxy nanocomposites. Wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM) were used to determine the degree of dispersion. Dynamic mechanical thermal analysis (DMTA) was used to determine the T g and complex modulus of the polymer nanocomposites. The TEM analyses indicated that the MMT clay, nanosilica, and CNF dispersed very well in the epoxy resin system. Evidence is presented that a nanophase is formed when nanoparticles such as surface treated clay, surface treated nanosilica, or carbon nanofibers are introduced into the epoxy resin. Higher T g and complex modulus values from DMTA for the nanomodified materials are presented as evidence for nanophase presence in the epoxy resin system as compared to lower T g and complex modulus for the epoxy resin control. The DMTA data of the neat epoxy nanosilica nanocomposite (2% Aerosil® R202) show the highest T g (258°C) and the highest complex modulus (964 MPa). Five epoxy nanocomposites were selected to produce prepregs using AS4-6K fabric, followed by fabrication into composite panels. The short beam shear values of all epoxy nanocomposites were slightly lower than the baseline with 3% Aerosil® R202 and 2% PR-19-PS-Ox CNF higher than the baseline. The flexural strength of all the epoxy nanocomposites were slightly lower than the baseline with the 2% Cloisite® 10A and 3% Aerosil® R202 materials higher than the baseline. Flatwise tension strength values of all the epoxy nanocomposites were slightly lower than the baseline with 2% PR-19-PS-Ox and 2% Aerosil® R202 samples higher than the baseline material. The G 1C and G 2C values of all the epoxy nanocomposites were below the baseline except for 2% Aerosil® R805 (G 1C) and 2% PR-19-PS-Ox (G 2C) being higher than the baseline.

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