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MEANS FOR MANUFACTURING MICROBEADS COMPRISING THERMOPLASTIC POLYMER MICROPARTICLES meetings

Foreign code F130007410
File No. P11-032PCT
Posted date Jun 18, 2013
Country WIPO
International application number 2012JP068647
International publication number WO 2013/024669
Date of international filing Jul 24, 2012
Date of international publication Feb 21, 2013
Priority data
  • P2011-177370 (Aug 15, 2011) JP
Title MEANS FOR MANUFACTURING MICROBEADS COMPRISING THERMOPLASTIC POLYMER MICROPARTICLES meetings
Abstract

The present invention relates to a means for manufacturing microbeads (polymer microparticles) comprising a thermoplastic polymer and having an average particle diameter of 10 [mu]m or less, even extending into the nano-range. A starting filament comprising a thermoplastic polymer is passed through an orifice under an air pressure (P1) and guided to a spray chamber under an air pressure (P2

where P1>P2). The raw filament having passed through the orifice is heated and melted under irradiation by an infrared beam, and is sprayed in microparticulate form from the orifice by the flow of air generated by the pressure differential between P1 to P2, whereby microbeads comprising thermoplastic polymer microparticles having an average particle diameter of 10 [mu]m or less, and even less than 1 [mu]m are manufactured.

  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • UNIVERSITY OF YAMANASHI,
  • SUZUKI AKIHIRO
  • Inventor
  • SUZUKI AKIHIRO
IPC(International Patent Classification)
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