Title:
METHOD AND DEVICE FOR MANUFACTURING MICROFIBER AGGREGATE
Document Type and Number:
WIPO Patent Application WO/2022/224676
Kind Code:
A1
Abstract:
The present invention makes it possible to improve spinning stability of a microfiber aggregate in a microfiber aggregate manufacturing method in which electrostatic spinning is performed by applying a voltage to foam that has been continuously produced in a polymer solution. The present invention provides a microfiber aggregate manufacturing device which makes it possible to achieve such an improvement in spinning stability of a microfiber aggregate. A microfiber aggregate manufacturing method according to an embodiment of the present invention is characterized by continuously supplying airflow to foam which has been continuously produced in a polymer solution. A microfiber aggregate manufacturing device according to an embodiment of the present invention comprises one or more spinning units and a base material on which microfibers are deposited. The spinning units each comprise: one or more spinning production units which each accommodate a polymer solution; a foam production means which continuously produces foam in the polymer solution; a voltage application means which applies a voltage to the foam; and an airflow supply means which continuously supplies airflow to the foam. Microfibers produced from the surface of the foam are deposited on the base material.
Inventors:
CHIANG HOU-CHIH (JP)
NAKAGOSHI TAKUMI (JP)
YAMASAKI MASAO (JP)
MIZUNO YOSHIKI (JP)
NAKAGOSHI TAKUMI (JP)
YAMASAKI MASAO (JP)
MIZUNO YOSHIKI (JP)
Application Number:
PCT/JP2022/013371
Publication Date:
October 27, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
HIROSE PAPER MFG CO LTD (JP)
International Classes:
D04H1/728; D01D5/04; D01F6/12; D04H1/4318
Foreign References:
| JP3918179B1 | 2007-05-23 | |||
| CN207904414U | 2018-09-25 | |||
| JP2011518259A | 2011-06-23 | |||
| CN112275045A | 2021-01-29 | |||
| CN210065991U | 2020-02-14 | |||
| JP2015203164A | 2015-11-16 | |||
| US20190143254A1 | 2019-05-16 | |||
| CN112853512A | 2021-05-28 |
Other References:
KISHIMOTO YUKI: "Development of nanofiber mass production technology by electro-bubble spinning method -From air filters to regenerative medical materials", JAPAN NONWOVENS ASSOCIATION, 8 October 2020 (2020-10-08), pages 1 - 43, XP055979896
Attorney, Agent or Firm:
TSUZUKI Noriaki (JP)
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