Patent SG-11201811301R-A (SG)
Title: Bulkpolymerisation process for the preparation of polydienes
Inventor: VATER MARCUS
IPC: C08L9/00
Filed: 2017-06-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 04 January 2018 (04.01.2018) W I PO I PCT mu °million °nolo III IIIII 11o1omonilmom (10) International Publication Number WO 2018/002256 Al (51) International Patent Classification: C08F 2/02 (2006.01) C08L 9/00 (2006.01) (21) International Application Number: Published: — with international search report (Art. 21(3)) PCT/EP2017/066196 (22) International Filing Date: 29 June 2017 (29.06.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16177220.7 30 June 2016 (30.06.2016) EP (71) Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E. V. [DE/DE]; HansastraBe 27c, 80686 Munich (DE). (72) Inventors: VATER, Marcus; Kleine Ulrichstrasse 21, 06108 Halle (DE). WENDLER, Ulrich; Haibuchenweg 12, 06118 Halle (DE). BARTKE, Michael; Schulhof 4, 06126 Halle Saale (DE). (74) Agent: MAIWALD PATENTANWALTS GMBH; Berthold Lux, Elisenstr. 3 / Elisenhof, 80335 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, 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). 1-1 (54) Title: BULKPOLYMERISATION PROCESS FOR THE PREPARATION OF POLYDIENES SO (57) : The present invention is directed at a bulkpolymerisation process for the preparation of a polymer (P) comprising the 1 1 el steps of: (i) providing at least one diene monomer (DM) and optionally at least one comonomer (COM); (ii) contacting the at least ei one diene monomer (DM) and optionally the at least one comonomer (COM) with a catalyst system (CS) forming a reaction mixture (RM); (iii) polymerizing the reaction mixture (RM) comprising the at least one diene monomer (DM) and optionally the at least one comonomer (COM) in at least one reactor vessel (RV); (iv) isolating the polymer (P) obtained from the at least one reactor vessel (RV); 0 1-1 0 wherein the reaction mixture (RM) comprises solvent, diluent and/or dispersant in an amount of < 10 wt.-%,based on the weight of the reaction mixture (RM); and wherein the conversion rate of the diene monomer (DM) and optionally the comonomer (COM) is >80 %.