Title:
MICRODROPLET/BUBBLE GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/182632
Kind Code:
A1
Abstract:
A microdroplet/bubble generation device comprising a slit and a row of a plurality of microchannels, wherein: a continuous phase or a dispersed phase is fed to the slit; an end of the slit, a feed port for the other of the continuous phase or dispersed phase, and a discharge port are connected to the plurality of microchannels; the plurality of microchannels have, adjacent to or in the vicinity of the site of connection with the slit, a constricted part at which the cross-sectional area of the channel is locally reduced; the continuous phase and the dispersed phase meeting at the site of connection flow into the constricted part; the dispersed phase is sheared in the constricted part with the flow of the continuous phase acting as a driving force; bubbles or droplets of the dispersed phase are generated; and the generated product is recovered from the discharge port.
Inventors:
NISISAKO TAKASI (JP)
Application Number:
PCT/JP2021/010205
Publication Date:
September 16, 2021
Filing Date:
March 12, 2021
Export Citation:
Assignee:
TOKYO INST TECH (JP)
International Classes:
B01J19/00; B01F3/04; B01F3/08; B01F5/00; B81B1/00
Domestic Patent References:
| WO2019168130A1 | 2019-09-06 | |||
| WO2012008497A1 | 2012-01-19 | |||
| WO2004091763A2 | 2004-10-28 |
Foreign References:
| JP2005144356A | 2005-06-09 | |||
| JP2004243308A | 2004-09-02 | |||
| JP2016515214A | 2016-05-26 |
Other References:
T. NISISAKO ET AL., LAB CHIP, vol. 8, 2008, pages 287 - 293
M.B. ROMANOWSKY ET AL., LAB CHIP, vol. 12, 2012, pages 3426 - 3435
T. NISISAKO ET AL., CURR. OPIN. COLLOID INTERFACE SCI., vol. 25, 2016, pages 1 - 12
H.-H. JEONG ET AL., KOREAN J. CHEM. ENG, vol. 33, 2016, pages 1757 - 1766
G.T. MEIIS ET AL., IND.ENG.CHEM, vol. 48, 2009, pages 881 - 889
W. LI ET AL., LAB CHIP, vol. 9, 2009, pages 2715 - 2721
D. CONCHOUSO ET AL., LAB CHIP, vol. 14, 2014, pages 3011 - 3020
H.-H. JEONG ET AL., LAB CHIP, vol. 15, 2015, pages 4387 - 4392
H.-H. JEONG ET AL., LAB CHIP, vol. 17, 2017, pages 2667 - 2673
S. L. ANNA ET AL., APPL. PHYS. LETT., vol. 82, 2003, pages 364 - 366
See also references of EP 4119221A4
M.B. ROMANOWSKY ET AL., LAB CHIP, vol. 12, 2012, pages 3426 - 3435
T. NISISAKO ET AL., CURR. OPIN. COLLOID INTERFACE SCI., vol. 25, 2016, pages 1 - 12
H.-H. JEONG ET AL., KOREAN J. CHEM. ENG, vol. 33, 2016, pages 1757 - 1766
G.T. MEIIS ET AL., IND.ENG.CHEM, vol. 48, 2009, pages 881 - 889
W. LI ET AL., LAB CHIP, vol. 9, 2009, pages 2715 - 2721
D. CONCHOUSO ET AL., LAB CHIP, vol. 14, 2014, pages 3011 - 3020
H.-H. JEONG ET AL., LAB CHIP, vol. 15, 2015, pages 4387 - 4392
H.-H. JEONG ET AL., LAB CHIP, vol. 17, 2017, pages 2667 - 2673
S. L. ANNA ET AL., APPL. PHYS. LETT., vol. 82, 2003, pages 364 - 366
See also references of EP 4119221A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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