US 12,291,667 B2
Cold and heat storage agent composition
Makoto Hayama, Fujisawa (JP)
Assigned to KYODO YUSHI CO., LTD., Kanagawa (JP)
Filed by KYODO YUSHI CO., LTD., Fujisawa (JP)
Filed on Apr. 26, 2022, as Appl. No. 17/729,517.
Claims priority of application No. 2021-075008 (JP), filed on Apr. 27, 2021.
Prior Publication US 2022/0340800 A1, Oct. 27, 2022
Int. Cl. C09K 5/06 (2006.01); C09K 5/10 (2006.01)
CPC C09K 5/063 (2013.01) [C09K 5/10 (2013.01); Y02E 60/14 (2013.01)] 8 Claims
 
1. A cold and heat storage agent composition consisting of:
a base agent consisting of:
(A) a single dialkyl ether; and
(B) a single linear paraffin, wherein the (A) contains a dialkyl ether having two straight chain alkyl group, each alkyl group containing 8 carbon atoms,
the (B) consists of a linear paraffin having 16 carbon atoms, and a content of the linear paraffin having 16 carbon atoms is 3.0% by mass or more and less than 10.0% by mass based on a total mass of the composition, and
a melting point and a freezing point of the composition measured by DSC are within a range of −13.0° C. to +12.4° C., and
optional additives consisting of:
(C) a hydrogen generation inhibitor,
(D) an antioxidant,
(E) at least one thickener.