SYNTHESIS OF INORGANIC SIO2 MICROCAPSULES CONTAINING PHASE CHANGE MATERIALS AND APPLICATIONS THEREIN

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/105352 Al 22 June 2017 (22.06.2017) WIPO I PCT 111111111111110111011111111111010111110111010111111011011111111011111111111110111111 (51) International Patent Classification: C09K 5/00 (2006.01) C09K 5/02 (2006.01) (21) International Application Number: PCT/SG2016/050610 (22) International Filing Date: 16 December 2016 (16.12.2016) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201510436V 18 December 2015 (18.12.2015) SG (71) Applicant: NANYANG TECHNOLOGICAL UNIVER- SITY [SG/SG]; 50 Nanyang Avenue, Singapore 639798 (SG). (72) Inventors: YANG, Jinglei; c/o Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (SG). AN, Jinliang; c/o Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (SG). YANG, En- Hua; c/o Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (SG). (74) Agent: KINNAIRD, James Welsh; Marks & Clerk Singa- pore LLP, Tanjong Pagar, P 0 Box 636, Singapore 910816 (SG). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). [Continued on next page] (54) Title: SYNTHESIS OF INORGANIC SI02 MICROCAPSULES CONTAINING PHASE CHANGE MATERIALS AND AP- PLICATIONS THEREIN W O 20 17 / 105 35 2 Al (57) : Disclosed herein are microcapsules that en- capsulate a phase change material, where the microcapsules have a dual-core structure with a first shell being made of an organic polymeric material, in particular polyurea surroun- ded by a second inorganic material shell, in particular silica. Also disclosed herein is a process to manufacture said micro- capsules and applications thereof. Fig. 2 WO 2017/105352 Al MIDEDIMODOEMSOINIE3010111011.10IMOVOIMIE Declarations under Rule 4.17: Published: — of inventorship (Rule 4.17(iv)) — with international search report (Art. 21(3))