Title:
THERMORESPONSIVE MATERIAL, METHOD FOR PRODUCING THERMORESPONSIVE MATERIAL, AND HEAT CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/104274
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a thermoresponsive material having improved durability despite containing bubbles. Provided is a thermoresponsive material 1 whose state changes according to a change in temperature, wherein bubbles 4 having an average diameter of 30-400 μm are dispersed in a matrix 2. If the standard deviation of the diameters of the bubbles 4 is denoted by D and the average diameter of the bubbles 4 is denoted by a, D/a ≤ 0.7 is satisfied. If, at normal temperature, the volume of the bubbles 4 is denoted by V1 and the apparent volume of the matrix 2 is denoted by V2, 0.3 ≤ V1/V2 ≤ 0.9 is satisfied. The matrix 2 contains a liquid crystalline polyurethane.
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Inventors:
ISEKI SEIJI (JP)
Application Number:
PCT/JP2016/081845
Publication Date:
June 22, 2017
Filing Date:
October 27, 2016
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
International Classes:
B29C44/00; C08J9/08; C08G18/32; C08L101/00; C08G101/00
Domestic Patent References:
| WO2006134697A1 | 2006-12-21 |
Foreign References:
| JP2013089767A | 2013-05-13 | |||
| JP2013014658A | 2013-01-24 | |||
| JPS6322820A | 1988-01-30 |
Other References:
DONG-JIN LEE ET AL.: "Synthesis of Enantiotropic Liquid Crystal Copolyurethanes Containing Para- and Meta-Type Diisocyanate Units in the Backbone", MACROMOLECULES, vol. 31, no. 21, 26 September 1998 (1998-09-26), pages 7142 - 7148, XP000779755
See also references of EP 3392298A4
See also references of EP 3392298A4
Attorney, Agent or Firm:
OKINAKA Jin (JP)
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