Title:
POLYMER GEL HAVING SPONGE-LIKE POROUS STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/027016
Kind Code:
A1
Abstract:
[Problem] The present invention addresses the problem of providing a gel material comprising a solvophilic polymer having a micrometer-scale porous structure.
[Solution] A polymer gel in which solvophilic polymer units are cross-linked to each other, wherein the polymer gel contains a solvent, and has a three-dimensional net-like structure having two regions, i.e., a first region in which the polymer units are present densely and a second region in which the polymer units are present sparsely, and the sizes of nets formed in the first region fall within the range from 1 to 500 μm.
Inventors:
SAKAI TAKAMASA (JP)
TEI YUICHI (JP)
TEI YUICHI (JP)
Application Number:
PCT/JP2019/029574
Publication Date:
February 06, 2020
Filing Date:
July 29, 2019
Export Citation:
Assignee:
UNIV TOKYO (JP)
International Classes:
C08J9/28; C08G65/32; C08L71/02
Domestic Patent References:
| WO2016143647A1 | 2016-09-15 | |||
| WO2010070775A1 | 2010-06-24 | |||
| WO2012035598A1 | 2012-03-22 | |||
| WO2007083522A1 | 2007-07-26 |
Foreign References:
| JP2017121307A | 2017-07-13 | |||
| JP2015137430A | 2015-07-30 | |||
| JPH11510837A | 1999-09-21 | |||
| JP2010519183A | 2010-06-03 | |||
| JP2011246714A | 2011-12-08 | |||
| JP2008212683A | 2008-09-18 |
Other References:
SAKAI ET AL., MACROMOLECULES, vol. 41, 2008, pages 5379 - 5384
MATSUNAGA ET AL., MACROMOLECULES, vol. 42, no. 4, 2009, pages 1344 - 1351
See also references of EP 3831871A4
MATSUNAGA ET AL., MACROMOLECULES, vol. 42, no. 4, 2009, pages 1344 - 1351
See also references of EP 3831871A4
Attorney, Agent or Firm:
ONO Makoto et al. (JP)
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