US 11,851,616 B2
Protection of polymeric/organic materials from photodegradation by encapsulation
Elias K. Stefanakos, Dover, FL (US); and Sesha S. Srinivasan, Lakeland, FL (US)
Assigned to UNIVERSITY OF SOUTH FLORIDA, Tampa, FL (US)
Appl. No. 17/791,362
Filed by University of South Florida, Tampa, FL (US)
PCT Filed Feb. 11, 2022, PCT No. PCT/US2022/016116
§ 371(c)(1), (2) Date Jul. 7, 2022,
PCT Pub. No. WO2022/174032, PCT Pub. Date Aug. 18, 2022.
Application 17/791,362 is a continuation of application No. 16/610,107, filed on Nov. 1, 2019, granted, now 11,359,137.
Claims priority of provisional application 63/148,368, filed on Feb. 11, 2021.
Prior Publication US 2023/0220273 A1, Jul. 13, 2023
Int. Cl. C09K 9/02 (2006.01); B01J 13/06 (2006.01); B01J 19/12 (2006.01); C04B 14/36 (2006.01); C04B 16/00 (2006.01); C04B 20/10 (2006.01); C04B 26/02 (2006.01); C04B 28/04 (2006.01)
CPC C09K 9/02 (2013.01) [B01J 13/06 (2013.01); B01J 19/122 (2013.01); C04B 14/36 (2013.01); C04B 16/00 (2013.01); C04B 20/1066 (2013.01); C04B 26/02 (2013.01); C04B 28/04 (2013.01); B01J 2219/0879 (2013.01); B01J 2219/0892 (2013.01); B01J 2219/1203 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A core-shell particle comprising:
(1a) a core containing a thermochromic material (TCM) and/or a phase-change material (PCM) and/or an auxiliary material containing organic and/or polymeric material;
(1b) an outer shell surrounding the core, a material of the outer shell comprising a first metal oxide that contains a dopant; and
(1c) an inner shell encapsulating the core and disposed between the core and the outer shell, the inner shell comprising a polyacrylate and/or a polymethacrylate and/or a polymetacrylic acid.