Title:
HOLLOW PARTICLE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/188897
Kind Code:
A1
Abstract:
Provided is a hollow particle comprising: an outer shell portion formed of a polymer having at least a urea bond among a urethane bond and a urea bond; and a hollow portion enclosed in the outer shell portion, wherein the polymer is a reaction product of an isocyanate component and at least water among water and a polyol, wherein the isocyanate component includes at least a self-emulsifying isocyanate among a self-emulsifying isocyanate and a non-self-emulsifying isocyanate.
Inventors:
HASEGAWA KEI (JP)
FUJITA KOUHEI (JP)
OGAWA KOUDAI (JP)
TATSUTA SAKINA (JP)
FUJITA KOUHEI (JP)
OGAWA KOUDAI (JP)
TATSUTA SAKINA (JP)
Application Number:
PCT/JP2023/004941
Publication Date:
October 05, 2023
Filing Date:
February 14, 2023
Export Citation:
Assignee:
NEGAMI CHEMICAL IND CO LTD (JP)
International Classes:
C08G18/00; B01J13/14; C08G18/73; C08G18/74; C08G18/78
Domestic Patent References:
| WO2019181988A1 | 2019-09-26 | |||
| WO2019035382A1 | 2019-02-21 |
Foreign References:
| JP2005041948A | 2005-02-17 | |||
| JP6924533B1 | 2021-08-25 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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