Inductive heating using a high-magnetic-field pulse to initiate chemical reactions to generate composite materials

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • Cordelia Zimmerer - , Leibniz-Institut für Polymerforschung Dresden (Autor:in)
  • Catalina Salazar Mejia - , Helmholtz-Zentrum Dresden-Rossendorf (Autor:in)
  • Toni Utech - , Leibniz-Institut für Polymerforschung Dresden (Autor:in)
  • Kerstin Arnhold - , Leibniz-Institut für Polymerforschung Dresden (Autor:in)
  • Andreas Janke - , Leibniz-Institut für Polymerforschung Dresden (Autor:in)
  • Joachim Wosnitza - , Professur für Physik in hohen Magnetfeldern (gB/HZDR), Helmholtz-Zentrum Dresden-Rossendorf (Autor:in)

Abstract

Induction heating is efficient, precise, cost-effective, and clean. The heating process is coupled to an electrically conducting material, usually a metal. As most polymers are dielectric and non-conducting, induction heating is not applicable. In order to transfer energy from an electromagnetic field into polymer induction structures, conducting materials or materials that absorb the radiation are required. This report gives a brief overview of induction heating processes used in polymer technology. In contrast to metals, most polymer materials are not affected by electromagnetic fields. However, an unwanted temperature rise of the polymer can occur when a radio frequency field is applied. The now available high-field magnetic sources provide a new platform for induction heating at very low frequencies, avoiding unwanted thermal effects within the material. Using polycarbonate and octadecylamine as an example, it is demonstrated that induction heating performed by a magnetic-field pulse with a maximum flux density of 59 T can be used to initiate chemical reactions. A 50 nm thick Ag loop, with a mean diameter of 7 mm, placed in the polymer-polymer interface acts as susceptor and a resistive heating element. The formation of urethane as a linker compound was examined by infrared spectroscopic imaging and differential scanning calorimetry.

Details

OriginalspracheEnglisch
Aufsatznummer535
Seiten (von - bis)1-17
Seitenumfang18
FachzeitschriftPolymers
Jahrgang11
Ausgabenummer3
PublikationsstatusElektronische Veröffentlichung vor Drucklegung - 21 März 2019
Peer-Review-StatusJa

Schlagworte

Schlagwörter

  • Bonding polymers, High-magnetic-field, Induction heating, Polycarbonate, Susceptormaterial