NEGATIVE THERMAL EXPANSION MATERIAL AND COMPOSITE MATERIAL

WIPO Patent Application WO/2022/097746

A1

The present invention provides: a negative thermal expansion material which is reduced in cost and density; and a composite material. A negative thermal expansion material according to one embodiment of the present invention has a negative thermal expansion coefficient, while containing at least one substance which is selected from the group consisting of MER type zeolite, GIS type zeolite, LTA type zeolite and FAU type zeolite. A composite material according to one embodiment of the present invention contains the above-described negative thermal expansion material and a material which has a positive thermal expansion coefficient.

ISOBE TOSHIHIRO (JP)
MATSUNO YUSUKE (JP)
IGAWA HARUNA (JP)
NINOMIYA FUYU (JP)

PCT/JP2021/041006

May 12, 2022

November 08, 2021

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TOKYO INST TECH (JP)

C01B39/46; C01B39/14; C01B39/20; C08K3/34; C08L101/00

WO2019194321A1	2019-10-10
WO2019202933A1	2019-10-24

JP2019073704A	2019-05-16
JP2007313389A	2007-12-06

OOKAWA, MASASHI ET AL.: "Molecular dynamics simulation studies on thermal expansion behavior of siliceous faujasite", JOURNAL OF COMPUTER CHEMISTRY JAPAN, vol. 14, no. 4, 2015, pages 105 - 110, XP055643935, DOI: 10.2477/jccj.2015-0020
FANG HONG, DOVE MARTIN T.: "Pressure-induced softening as a common feature of framework structures with negative thermal expansion", PHYSICAL REVIEW B, AMERICAN PHYSICAL SOCIETY, US, vol. 87, no. 21, 1 June 2013 (2013-06-01), US , pages 214109, XP055927631, ISSN: 1098-0121, DOI: 10.1103/PhysRevB.87.214109

IEIRI Takeshi (JP)

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