Patent SG-11201806357P-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 (43) International Publication Date 24 August 2017 (24.08.2017) WIPO I PCT (10) International Publication Number WO 2017/140602 Al 1111111111111101110101011111010111110 010111011011001101011111111111110111111 (51) International Patent Classification: C08F 10/10 (2006.01) CO8F 4/14 (2006.01) CO8F 4/54 (2006.01) C08F 110/10 (2006.01) (21) International Application Number: PCT/EP2017/053096 (22) International Filing Date: 13 February 2017 (13.02.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16155937.2 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 / 14060 2 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 polyisobutene chain end of at least 70 mol%, which comprises polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or an alkylaluminum halide-donor complex effective as a polymerization catalyst, wherein the aluminum trihalide or al- kylaluminum halide is treated with at least one inorganic hydrate.