Title:
URETHANE AND REFRIGERATOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/249272
Kind Code:
A1
Abstract:
Disclosed in the present specification are: urethane having improved thermal insulation performance since the thermal conductivity of the urethane is lowered; and a refrigerator comprising same. The urethane according to one embodiment may comprise: a plurality of closed cells for accommodating internal gas; a plurality of open cells connected to the outer atmosphere; and cell walls provided between at least one of the plurality of closed cells and at least one of the plurality of open cells or between the plurality of closed cells so as to connect at least one of the plurality of closed cells and at least one of the plurality of open cells or the plurality of closed cells. The diameter of any one closed cell of the plurality of closed cells and any one open cell of the plurality of open cells can be 100-200 μm, and the diameter of the closed cells and the open cells can be 100-200 μm.
Inventors:
JUNG MINGYU (KR)
PARK JONGSUNG (KR)
KOH YOUNGDEOG (KR)
KIM JUNGCHUL (KR)
LIM JUNGSOO (KR)
PARK JONGSUNG (KR)
KOH YOUNGDEOG (KR)
KIM JUNGCHUL (KR)
LIM JUNGSOO (KR)
Application Number:
PCT/KR2023/007127
Publication Date:
December 28, 2023
Filing Date:
May 25, 2023
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
C08G18/18; C08J9/14; F25D23/02; F25D23/06; C08G101/00
Foreign References:
| KR20120021979A | 2012-03-09 | |||
| KR20190023085A | 2019-03-07 | |||
| JP2015199798A | 2015-11-12 | |||
| US20120248371A1 | 2012-10-04 | |||
| KR20110067738A | 2011-06-22 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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