Patent SG-11201908518V-A (SG)
Title: Catalyst system for multi-block copolymer formation
Inventor: DEVORE DAVID D
IPC: C08F210/16
Filed: 2018-03-14
Abstract: 13 2 chain 13 growth 23 chain growth in growth chain growth chain shuttling 1-1 kr) O O N 1-1 00 1-1 O O (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 20 September 2018 (20.09.2018) WIP0 I PCT o °nolo olo mons iflo oimIE (10) International Publication Number WO 2018/170056 Al (51) International Patent Classification: C08F 210/16 (2006.01) C08F 4/64 (2006.01) (21) International Application Number: PCT/US2018/022331 (22) International Filing Date: 14 March 2018 (14.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/471,565 15 March 2017 (15.03.2017) US (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (72) Inventors: DEVORE, David D.; 1776 Building, Midland, MI 48674 (US). ARRIOLA, Daniel J.; 1776 Building, Midland, MI 48674 (US). ROOF, Gordon R.; 1710 Build- ing, Midland, MI 48674 (US). MUNRO, Jeffrey C.; 230 Abner Jackson Parkway, Lake Jackson, TX 77566 (US). YOUNG, Andrew J.; 230 Abner Jackson Parkway, Lake Jackson, TX 77566 (US). CARNAHAN, Edmund M.; 230 Abner Jackson Parkway, Lake Jackson, TX 77566 (US). (74) Agent: HUANG, Cheney; The Dow Chemical Company, Intellectual Property, P. 0. Box 1967, Midland, Michigan 48641-1967 (US). (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, 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)) (54) Title: CATALYST SYSTEM FOR MULTI-BLOCK COPOLYMER FORMATION (57) : The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefm polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.