Patent SG-11201803777R-A (SG)
Title: Ethylene-based polymers formed by high pressure free radical polymerizations
Inventor: BERBEE OTTO J
IPC: C08F10/02
Filed: 2016-11-10
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau (43) International Publication Date ..... ...sr ,„,„1 18 May 2017 (18.05.2017) WIPO I PCT II (10) 11111111111111111111 WO International IIIIIIIIII II 2017/083552 IIIIIIIIIIIIIIIIII Publication H IIIII IIII Al Number RIO IIII IIIIIIII (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every CO8F 2/01 (2006.01) C08F 10/02 (2006.01) kind of national protection available): AE, AG, AL, AM, C08F 2/34 (2006.01) 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, (21) International Application Number: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, PCT/US2016/061377 HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, (22) International Filing Date: KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 10 November 2016 (10.11.2016) 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, (25) Filing Language: English SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, (26) Publication Language: English TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (30) Priority Data: 15382555.9 10 November 2015 (10.11.2015) EP (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, [US/US]; 2040 Dow Center, Midland, MI 48674 (US). TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (72) Inventors: BERBEE, Otto J.; Postbus 48, 4530AA 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, Terneuzen (NL). FLORES, Joaquin; Autovia Tarragona - LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Salou, s/n, 43006 Tarragona (ES). HOSMAN, Cornelis J F; Postbus 48, 4530AA Terneuzen (NL). DANG, Nhi; SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Postbus 48, 4530AA Terneuzen (NL). GW, KM, ML, MR, NE, SN, TD, TG). Published: (74) Agent: TERRY, Jane M.; The Dow Chemical Company, 21(3)) P.O. Box 1967, Midland, Michigan 48641-1967 (US). — with international search report (Art Il .4t ei un in en of:, (54) Title: ETHYLENE-BASED POLYMERS FORMED BY HIGH PRESSURE FREE RADICAL POLYMERIZATIONS 0 ---- (57) : A process to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at I N least the following: polymerizing a mixture comprising ethylene in a reactor configuration comprising at least four reaction zones, 1-1 c:::, and comprising at least three ethylene feed streams; and wherein the ratio of (Rzcsfausx,), in percent, of the LCB content of the \"first 40 N wt% of the total polymer formed\" to the \"total LCB content in the final polymer\" is < 29%; and wherein the amount of ethylene, and 0 optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone, is from 20 mole% to 70 mole %, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the poly - 5. merization.