US 11,655,408 B2
Gel composition comprising a phase change material
Altug Altay, East Yorkshire (GB); and Marco Maria Auerbach, East Yorkshire (GB)
Assigned to CRODA INTERNATIONAL PLC, Goole (GB)
Appl. No. 16/652,806
Filed by Croda International PLC, East Yorkshire (GB)
PCT Filed Sep. 18, 2018, PCT No. PCT/EP2018/075237
§ 371(c)(1), (2) Date Apr. 1, 2020,
PCT Pub. No. WO2019/068458, PCT Pub. Date Apr. 11, 2019.
Claims priority of application No. 1715950 (GB), filed on Oct. 2, 2017.
Prior Publication US 2020/0231857 A1, Jul. 23, 2020
Int. Cl. C09K 5/06 (2006.01); C08L 53/00 (2006.01); C08K 3/36 (2006.01); B01J 13/00 (2006.01); C08L 25/08 (2006.01); C08K 5/053 (2006.01); C08K 5/09 (2006.01)
CPC C09K 5/063 (2013.01) [B01J 13/0065 (2013.01); C08K 3/36 (2013.01); C08L 25/08 (2013.01); C08L 53/00 (2013.01); C08K 5/053 (2013.01); C08K 5/09 (2013.01); C08L 2205/24 (2013.01)] 14 Claims
 
1. A composition comprising:
a) a phase change material;
b) 1 to 10 wt % of a silica gelling additive;
c) a styrene co-polymer gelling additive;
wherein the composition is in a gel form and wherein a weight ratio of b) silica gelling additive to c) styrene co-polymer gelling additive in the composition is in a range of from 0.6 to 5:1; and
d) 0.05 to 10 wt % of a diol, wherein the diol is a polyethylene glycol.