Title:
METHOD AND APPARATUS FOR MANUFACTURING DRIED PRODUCT OF BIOLOGICALLY-DERIVED WATER-SOLUBLE POLYMER
Document Type and Number:
WIPO Patent Application WO/2020/004394
Kind Code:
A1
Abstract:
According to the present invention, a dried product of a biologically-derived water-soluble polymer is manufactured by using a manufacturing apparatus 10 to perform a drying treatment. The manufacturing apparatus 10 has: a chamber 11 containing therein an unsaturated solution that contains moisture and a biologically derived water-soluble polymer; a temperature detection means 12 for detecting the temperature of the unsaturated solution; a pressure reducing means 13 for reducing the pressure inside the chamber 11; a microwave heating means 14 for irradiating the unsaturated solution with microwaves and thereby heating the unsaturated solution; and a control means 15 for controlling the pressure reducing means 13 and the microwave heating means 14 on the basis of temperature data acquired by the temperature detection means 12. The drying treatment involves: irradiating the unsaturated solution with the microwaves under a reduced pressure condition; boiling the moisture at a temperature below the denaturation temperature of the water-soluble polymer; and removing the moisture while using the steam generated by boiling to expand the unsaturated solution into a foam state so that the apparent volume thereof is at least 10 times greater than the initial volume.
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Inventors:
TSURUTA TAKAHARU (JP)
Application Number:
PCT/JP2019/025182
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
Assignee:
KYUSHU INST TECH (JP)
KASYU IND CO LTD (JP)
KASYU IND CO LTD (JP)
International Classes:
A23L3/54; F26B3/347; A61L2/04; A61L2/12; F26B5/04; F26B21/10; A23L15/00
Domestic Patent References:
| WO2010013583A1 | 2010-02-04 |
Foreign References:
| US20080050793A1 | 2008-02-28 | |||
| JP2002534079A | 2002-10-15 | |||
| JP2000515856A | 2000-11-28 | |||
| JP2002534654A | 2002-10-15 | |||
| JPS5546332A | 1980-04-01 |
Attorney, Agent or Firm:
NAKAMAE Fujio (JP)
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