A study of effect of conducting additives on microwave heating and curing rates of epoxy

S. Zhou, M. C. Hawley

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

  • 5 Citations

Abstract

Rapid heating and curing of polymer resins has been shown as one of the advantages of microwave methods over conventional thermal processes. This paper studies if microwave heating efficiency and curing rate can be further enhanced with increasing material dielectric properties. Carbon black was added into epoxy materials - diglycidyl ether of bisphenol A (DGEBA) / diaminodiphenyl sulfone (DDS) - to increase the dielectric properties of the resin. Microwave heating processes with and without additives were compared. As the concentration of carbon black increased, the power requirement decreased to maintain the same isothermal curing temperature. This result showed that conducting additives enhanced the microwave heating efficiency by increasing material dielectric properties. However, the addition of carbon black into the resin did not further enhance the microwave curing rate of DGEBA/DDS. Instead, the microwave curing rate decreased slightly as the additive concentration increased. This might result fr om the lower power deposition at higher additive concentration.

LanguageEnglish (US)
Title of host publicationInternational SAMPE Symposium and Exhibition (Proceedings)
EditorsL. Repecka, F.F. Saremi
Pages2243-2251
Number of pages9
Volume46 II
StatePublished - 2001
Event46th International SAMPE Symposium and Exhibition -2001 a Materials and Processes Odyssey - Long Beach, CA, United States
Duration: May 6 2001May 10 2001

Other

Other46th International SAMPE Symposium and Exhibition -2001 a Materials and Processes Odyssey
CountryUnited States
CityLong Beach, CA
Period5/6/015/10/01

Profile

Microwave heating
Curing
Soot
Carbon black
Dielectric properties
Sulfones
Resins
Microwaves
Ethers
Polymers
Heating
2,2-bis(4-glycidyloxyphenyl)propane
Temperature

Keywords

  • Conducting additives
  • Curing
  • Microwave

ASJC Scopus subject areas

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

Cite this

Zhou, S., & Hawley, M. C. (2001). A study of effect of conducting additives on microwave heating and curing rates of epoxy. In L. Repecka, & F. F. Saremi (Eds.), International SAMPE Symposium and Exhibition (Proceedings) (Vol. 46 II, pp. 2243-2251)

A study of effect of conducting additives on microwave heating and curing rates of epoxy. / Zhou, S.; Hawley, M. C.

International SAMPE Symposium and Exhibition (Proceedings). ed. / L. Repecka; F.F. Saremi. Vol. 46 II 2001. p. 2243-2251.

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

Zhou, S & Hawley, MC 2001, A study of effect of conducting additives on microwave heating and curing rates of epoxy. in L Repecka & FF Saremi (eds), International SAMPE Symposium and Exhibition (Proceedings). vol. 46 II, pp. 2243-2251, 46th International SAMPE Symposium and Exhibition -2001 a Materials and Processes Odyssey, Long Beach, CA, United States, 5/6/01.
Zhou S, Hawley MC. A study of effect of conducting additives on microwave heating and curing rates of epoxy. In Repecka L, Saremi FF, editors, International SAMPE Symposium and Exhibition (Proceedings). Vol. 46 II. 2001. p. 2243-2251.
Zhou, S. ; Hawley, M. C./ A study of effect of conducting additives on microwave heating and curing rates of epoxy. International SAMPE Symposium and Exhibition (Proceedings). editor / L. Repecka ; F.F. Saremi. Vol. 46 II 2001. pp. 2243-2251
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