Patent SG-11201908414Y-A (SG)
Title: Catalyst system for multi-block copolymer formation
Inventor: YOUNG ANDREW J
IPC: C08F4/64
Filed: 2018-03-14
Abstract: 1 4 0 chain growth 22 2 20 chain growth chain shuttling ,-24 g3zJ chain shuttling 3 2 chain growth 3 23 chain growth (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) W I POI PCT IiiimmommionotiolomolomolluffionoiflovoimIE (10) International Publication Number WO 2018/170138 Al (51) International Patent Classification: C08F 210/16 (2006.01) C08F 4/64 (2006.01) (21) International Application Number: PCT/US2018/022454 (22) International Filing Date: 14 March 2018 (14.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/471,534 15 March 2017 (15.03.2017) US (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (72) Inventors: YOUNG, Andrew J.; 230 Abner Jackson Park- way, Lake Jackson, TX 77566 (US). DO, Hien Q.; 230 Ab- ner Jackson Parkway, Lake Jackson, TX 77566 (US). BAI- LEY, Brad C.; 1776 Building, Midland, MI 48674 (US). CHRISTIANSON, Matthew D.; 1776 Building, Midland, MI 48674 (US). MUNRO, Jeffrey C.; 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. (54) Title: CATALYST SYSTEM FOR MULTI-BLOCK COPOLYMER FORMATION FIG. 1-1 co O N 00 O C (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 olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent. [Continued on next page] WO 2018/170138 Al MIDEDIMOMOIDEIREEMOMMEIROMMODEVOIMIE (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))