Use of inter-fibril spaces among electrospun fibrils as ion-fixation and nano-crystallization

Yuki Shirosaki, Satoshi Hayakawa, Yuri Nakamura, Hiroki Yoshihara, Akiyoshi Osaka, Artemis Stamboulis

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

Abstract

When solution of a polymer with some inorganic ions is electrospun, the polymer fibrils will be elongated within the spinning direction and those ions are held in the inter-fibril spaces. When those electrospun fibers are calcined, ceramic fibers will be obtained. The present study has attempted to employ such spaces formed in polyvinyl alcohol) (PVA) as nano- or micro-reactor spaces for precipitation of nano-crystalline particles. Exposing the spun PVA mats to ammonia vapor fixed metal ions in the form of hydroxide and, induced apatitic calcium phosphate crystallites when the precursor solution involved calcium and hydrogen orthophosphate ions.

Original languageEnglish
Title of host publicationAdvances in Bioceramics and Porous Ceramics VII: Ceramic Engineering and Science Proceedings
PublisherAmerican Ceramic Society
Pages33-38
Number of pages6
Volume35
Edition5
ISBN (Print)9781119040439
Publication statusPublished - 2014
EventAdvances in Bioceramics and Porous Ceramics - 38th International Conference on Advanced Ceramics and Composites, ICACC 2014 - Daytona Beach, United States
Duration: 26 Jan 201431 Jan 2014

Conference

ConferenceAdvances in Bioceramics and Porous Ceramics - 38th International Conference on Advanced Ceramics and Composites, ICACC 2014
Country/TerritoryUnited States
CityDaytona Beach
Period26/01/1431/01/14

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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