Patent SG-11201909053S-A (SG)
Title: Method of forming an exfoliated or intercalated filler material
Inventor: THITSARTARN WARINTRON
IPC: C01B33/44
Filed: 2018-03-28
Abstract: FIGTEOS APTMS NFLOH 12 hours, 25'C NH= (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 04 October 2018 (04.10.2018) WIP0 I PCT onion °nolo onoiol 11°11111m oimIE (10) International Publication Number WO 2018/182522 Al (51) International Patent Classification: C01B 33/44 (2006.01) C08K 9/04 (2006.01) (21) International Application Number: PCT/SG2018/050151 (22) International Filing Date: 28 March 2018 (28.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201702505S 28 March 2017 (28.03.2017) SG (71) Applicant: AGENCY FOR SCIENCE, TECHNOLO- GY AND RESEARCH [SG/SG]; 1 Fusionopolis Way, #20-10 Connexis North Tower, Singapore 138632 (SG). (72) Inventors: THITSARTARN, Warintron; c/o Institute of Materials Research and Engineering, 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634 (SG). HE, Chaobin; c/o Institute of Materials Research and Engineering, 2 Fu- sionopolis Way, #08-03, Innovis, Singapore 138634 (SG). YEO, Jayven Chee Chuan; c/o Institute of Materials Re- search and Engineering, 2 Fusionopolis Way, #08-03, Inno- vis, Singapore 138634 (SG). (74) Agent: VIERING, JENTSCHURA & PARTNER LLP; P.O. Box 1088, Rochor Post Office, Rochor Road, Singa- pore 911833 (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, JO, 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, — (54) Title: METHOD OF FORMING AN EXFOLIATED OR INTERCALATED FILLER MATERIAL (57) : According to the present disclosure, a method of forming an exfoliated or intercalated filler material is provided, where- in the said method comprises the steps of mixing particles of filler material such as montmorillonite (MMT), mica, layered double hydroxide (LDH), and attapulgite (AT) dispersed in an aqueous medium with cationic acrylate monomers to form modified particles comprising positively charged ions, dispersing the modified particles in organic medium to form a dispersion, contacting said disper- 00 sion with an organo-silicate such as tetraethyl orthosilicate (TEOS) and a functionalizing agent comprising an organo-silane such as aminopropyltrimethoxysilane (APTMS), in the presence of a basic catalyst to form a layer of silica on the modified particles. The 00 present disclosure also relates to an exfoliated or intercalated filler material obtained by the said method as well as a method of forming O a resin/clay nanocomposite. C [Continued on next page] WO 2018/182522 Al OII 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). Published: — with international search report (Art. 21(3))