Patent SG-11201804142Q-A (SG)
Title: In-line blending process
Inventor: SLEIJSTER HENRY
IPC: C08F2/06
Filed: 2016-12-21
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau 111111111111110 III OE III OE III II III 1111111111111111111IH RIII 1111111H (10) International Publication Number WO 2017/108951 Al WIPO I PCT (43) International Publication Date 29 June 2017 (29.06.2017) 15, 4120 Neufelden (AT). MATHIVANAN, Guhan; Rosenbauerstrasse 13, 4020 Linz (AT). VIJAY, Sameer; Lastenstrasse 13/233, 4020 Linz (AT). KANELLO- POULOS, Vasileios; Ukonvaaja 4 B 34, 02130 Espoo (FI). AHO, Jani; Klaavuntie 16 E 43, 00910 Helsinki (FI). TAKAKARHU, Jouni; Myllyvaenkatu 10 J 2, 00920 Hel- sinki (FI). (74) Agent: KADOR & PARTNER; Corneliusstr. 15, 80469 Munich (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, International Patent Classification: (51) CO8F 2/00 (2006.01) CO8F 2/06 (2006.01) CO8F 6/00 (2006.01) (21) International Application Number: (22) International Filing Date: CO8F 6/12 (2006.01) CO8J 11/02 (2006.01) PCT/EP2016/082184 21 December 2016 (21.12.2016) English English (25) Filing Language: (26) Publication Language: (30) Priority Data: 15003632.5 21 December 2015 (21.12.2015) EP (71) Applicant: BOREALIS AG [AT/AT]; Wagramer Strasse 17-19, 1220 Vienna (AT). (72) Inventors: SLEIJSTER, Henry; Lindestraat 4A, 6101 ES Echt (NL). AL-HAJ ALI, Mohammad; Malmin Kaup- patie 4a A2, 00700 Helsinki (FI). RASANEN, Jukka; Mustikkapolku 2, 06100 Porvoo (FI). ZITTING, Samuli; Vanamonkuja 7, 04300 Tuusula (FI). BERGSTRA, Michiel; Prins Boudewijnlaan 3 bus 15, 2600 Berchem (BE). ERIKSSON, Erik; Tradgardsvagen 17, 444 54 Stenungsund (SE). WURNITSCH, Christof; LinzerstraBe [Continued on next page] (54) Title: IN-LINE BLENDING PROCESS Figure W O 20 17 / 10895 1 Al (57) : An in-line blending process for polymers comprising: (a) providing two or more reactor-low pressure separator units (1,7) in parallel configuration, each reactor-low pressure separator unit comprising one reactor (2,8) fluidly connected to one low pressure separator (3,9) downstream and further a recycling line (5,11) connecting the low pressure separator (3,9) back to the cor- responding reactor (2,8); (b) polymerizing olefm monomers having two or more carbon atoms in each of the reactors (2,8) in solu - tion polymerisation; (c) forming an unreduced reactor effluents stream including a homogenous fluid phase poly- mer-monomer-solvent mixture in each of the reactors (2,8), (d) passing the unreduced reactor effluents streams from each of the re- actors (2,8) through the corresponding low pressure separators (3,9), whereby the temperature and pressure of the low pressure sep- arators (3,9) is adjusted such that a liquid phase and a vapour phase are obtained, whereby yielding a polymer-enriched liquid phase and a polymer-lean vapour phase, and (e) separating the polymer-lean vapour phase from the polymer- enriched liquid phase in each of the low-pressure separators (3,9) to foiin separated polymer-lean vapour streams and separated polymer-enriched liquid streams; (f) combining the polymer-enriched liquid streams from step (e) in a further low-pressure separator and/or a mixer (13) to produce a combined polymer-enriched liquid stream (16); (g) reintroducing the polymer-lean vapour streams from step (e) via recycling lines (5,11) into the corresponding reactors (2,8). WO 2017/108951 Al MIDEDIMOHNIIMMEOMMIIMEIHMOIRVOIMIE TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Published: TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, with international search report (Art. 21(3)) 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).