Patent SG-11201803782V-A (SG)
Title: High pressure, free radical polymerizations to produce ethylene-based polymers
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 (10) WO International Publication Number 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/083559 Al (51) International Patent Classification: (74) Agent: TERRY, Jane M.; The Dow Chemical Company, C08F 2/01 (2006.01) CO8F 10/02 (2006.01) P.O. Box 1967, Midland, Michigan 48641-1967 (US). C08F 2/34 (2006.01) (81) Designated States (unless otherwise indicated, for every (21) International Application Number: kind of national protection available): AE, AG, AL, AM, PCT/US2016/061390 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, (22) International Filing Date: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 10 November 2016 (10.11.2016) HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, (25) Filing Language: English KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (26) Publication Language: English OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (30) Priority Data: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, 15382554.2 10 November 2015 (10.11.2015) EP TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicants: DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (84) Designated States (unless otherwise indicated, for every DOW BRASIL SUDESTE INDUSTRIAL LTDA. kind of regional protection available): ARIPO (BW, GH, [BR/BR]; Av. das NacOes Unidas, 14.171, 4 Floor, Part, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Diamond Tower, Santo Amaro, 04794-000 Sao Paulo/Sp TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (BR). 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, (72) Inventors: BERBEE, Otto J.; Postbus 48, 4530 AA LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Terneuzen (NL). HOSMAN, Cornelis J. F.; Postbus 48, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 4530 AA Terneuzen FLORES, Joaquin; Autovia (NL). GW, KM, ML, MR, NE, SN, TD, TG). Tarragona Salou, 43006 Tarragona GON- - s/n, (ES). Published: CALVES, Sergio E.; Av. Santos Dumont, 4444, Predio ADM, 11460-902 Guaruja (BR). MUNJAL, Sarat; 2301 — with international search report (Art 21(3)) N. Brazosport Blvd., Building B-2830, Freeport, TX 77541 (US). BISHOP, Michael E.; 1254 Enclave Parkway, Hou- TX 77077 RODRIGUEZ, Luiz; Av. Santos ston, (US). Dumont, 4444, Predio ADM, 11460-902 Guaruja (BR). 1-1 .4t Cr \ In in en of:, (54) Title: HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS 0 ---- (57) : A process to foiin an ethylene-based polymer, said process comprising at least the following: polymerizing a mixture L 3 / 4 -- comprising ethylene, in the presence of at least one free-radical initiator, and in a reactor configuration comprising at least three re - c action zones and at least two ethylene feed streams; and wherein the inlet pressure of the first reaction zone is less than, or equal to, ei 3200 Bar; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to 0 the first reaction zone is from 40 mole% to 80 mole%, based on the total moles of ethylene, and optionally one or more co - monomers, and optionally one or more CTAs, fed to the polymerization; and wherein the average polymerization temperature of the first 40 wt% polymer formed (APT 40 , m ) (based on the total amount of polymer foiined) is less than, or equal to, 200°C.