Patent SG-11201806870W-A (SG)
Title: Process for preparing high-reactivity isobutene homo- or copolymers
Inventor: CORBERAN ROC ROSA
IPC: C08F110/10
Filed: 2017-02-13
Abstract: 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 2017/140603 Al 24 August 2017 (24.08.2017) WIPO I PCT 1111111111111101110101011111010111110 01011111110110011111011111111111110111111 (51) International Patent Classification: C08F 10/10 (2006.01) C08F 110/10 (2006.01) C08F 4/52 (2006.01) C08F 4/54 (2006.01) CO8F 4/14 (2006.01) (21) International Application Number: PCT/EP2017/053098 (22) International Filing Date: 13 February 2017 (13.02.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16155930.7 16 February 2016 (16.02.2016) EP (71) Applicant: BASF SE [DE/DE]; Carl-Bosch-Str. 38, 67056 Ludwigshafen am Rhein (DE). (72) Inventors: CORBERAN ROC, Rosa; Richard-Wagn- er-Str. 33, 68165 Mannheim (DE). MUEHLBACH, Klaus; Im Zaunruecken 20, 67269 Gruenstadt (DE). WETTLING, Thomas; Trifelsring 11, 67117 Limburger- hof (DE). KOSTJUK, Sergei V.; 44, Zheleznodorozhnaya street, appt., Minsk, 220014 (BY). VASILENKO, Irina; 44, Zheleznodorozhnaya street, appt., Minsk, 220014 (BY). SHIMAN, Dmitryi; 51 Krapotkina st, appt 1105, Minsk, 220002 (BY). (74) Agent: BASF IP ASSOCIATION; BASF SE, ZRX - C6, 67056 Ludwigshafen (DE). (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). Published: with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h)) W O 20 17 / 140603 Al (54) Title: PROCESS FOR PREPARING HIGH-REACTIVITY ISOBUTENE HOMO- OR COPOLYMERS (57) : The present invention relates to a process for preparing high- reactivity isobutene homo- or copolymers with a con - tent of terminal vinylidene double bonds per homo- or copolymer chain end of at least 70 mol% which comprises polymerizing isob - utene or an isobutene- comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymer- ization catalyst or of an alkylaluminum halide-donor complex, said complex comprising, as the donor, a mixture of at least two or - ganic compounds with at least one ether function each.