Patent SG-11201908306T-A (SG)
Title: Catalyst system for multi-block copolymer formation
Inventor: PATTON JASSON T
IPC: C08F4/64
Filed: 2018-03-15
Abstract: FIGchain chain growth shuttling 22 23 A -24 10 12 13 shuttling chain 211 growth A -14 ( 23 chain 13 23 chain growth 13 20 chain growth N 00 O C (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 PO I PCT IiiimmoiniononolomolomoliolomolommovoimIE (10) International Publication Number WO 2018/170227 Al (51) International Patent Classification: C08F 210/16 (2006.01) C08F 4/64 (2006.01) CO8F 4/52 (2006.01) (21) International Application Number: PCT/US2018/022579 (22) International Filing Date: 15 March 2018 (15.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/471,543 15 March 2017 (15.03.2017) US (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (72) Inventors: PATTON, Jasson T.; 1776 Building, Mid- land, MI 48674 (US). SENECAL, Todd D.; 1776 Build- ing, Midland, MI 48674 (US). ARRIOLA, Daniel J.; 1776 Building, Midland, MI 48674 (US). CHRISTIANSON, Matthew D.; 1776 Building, Midland, MI 48674 (US). ROOF, Gordon R.; 1710 Building, Midland, MI 48674 (US). KLOSIN, Jerzy; 1776 Building, Midland, MI 48674 (US). DEVORE, David D.; 1776 Building, Midland, MI 48674 (US). DAVIS, Anna V.; 2040 Dow Center, Midland, MI 48674 (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 an olefm polymerization 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, and (C) a chain shuttling agent.