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Title:
THERMAL INSULATION MATERIAL, AND REFRIGERATOR, REFRIGERATED STORAGE, OR FREEZER USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/109869
Kind Code:
A1
Abstract:
A thermal insulation material, having a polyurethane foam that contains 0.2-3% of a hydrophilic aerogel. The polyurethane foam is obtained by mixing and foaming a polyol mixture of an amine polyol, a polyester polyol, and an aliphatic amine compound that serves as a catalyst, a polyisocyanate of diphenylmethane diisocyanate, a foaming agent such as cyclopentane, and a hydrophilic aerogel, wherein the hydrophilic aerogel is a silica aerogel. The polyurethane foam of the thermal insulation material has fine bubbles and a high thermal insulation performance.

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Inventors:
OYU HIDEKI (JP)
UEDA TSUTOMU (JP)
HOSHINO HITOSHI (JP)
TATENO TAKAYA (JP)
Application Number:
PCT/CN2022/139036
Publication Date:
June 22, 2023
Filing Date:
December 14, 2022
Export Citation:
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Assignee:
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
AQUA CO LTD (JP)
International Classes:
C08L75/06; C08G18/32; C08K3/36; C08G101/00
Foreign References:
CN108250728A2018-07-06
CN103951966A2014-07-30
CN101175785A2008-05-07
US20170283269A12017-10-05
CN101392047A2009-03-25
CN107936286A2018-04-20
CN109593458A2019-04-09
CN110396166A2019-11-01
CN110506073A2019-11-26
KR20120051512A2012-05-22
KR20150121485A2015-10-29
US20190100630A12019-04-04
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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