Patent SG-11201811485U-A (SG)
Title: Spiral heat exchanger as a preheater in polymer devolatilization processes
Inventor: HONG YIFENG
IPC: C08F10/06
Filed: 2017-07-11
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 0111M111111111111111111111111111111110111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2018/044395 Al 08 March 2018 (08.03.2018) WIP0 I PCT (51) International Patent Classification: (71) Applicant: EXXONMOBIL CHEMICAL PATENTS C08F 2/01 (2006.01) C08F 6/10 (2006.01) INC. [US/US]; 5200 Bayway Drive, Baytown, TX 77520 C08F 2/04 (2006.01) CO8F 10/02 (2006.01) (US). CO8F 2/06 (2006.01) CO8F 10/06 (2006.01) C08F 6/06 (2006.01) (72) Inventors: HONG, Yifeng; 404 Oxford Street #2310, Houston, TX 77007 (US). REIMERS, Jay, L.; 4602 (21) International Application Number: Labranch St., Houston, TX 77004 (US). PCT/US2017/041554 (74) Agent: JACKSON, Katherine, L. et al.; Exxonmobil (22) International Filing Date: Chemical Company, Law Department, P.O. Box 2149, Bay- 11 July 2017 (11.07.2017) town, TX 77522-2149 (US). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (30) Priority Data: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 62/381,777 31 August 2016 (31.08.2016) US DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 16194125.7 17 October 2016 (17.10.2016) EP 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, (54) Title: SPIRAL HEAT EXCHANGER = = = 0 = = — 0 _ 0 = ° 0 = _ = 11 = = = = — Il I f ) (57) : This invention relates 01 M the presence of a catalyst system under 71: heating the first effluent stream in at flows through the spiral heat exchanger ----. separation on the second effluent stream GC recycle stream including the solvent and 1-1 0 ei 2 0 1 least to AS 0 0 0 . . . . a process conditions to obtain a first effluent one in a unreacted to produce: A . spiral cross PREHEATER o for forming -flow direction a third monomer. heat exchanger IN ° . . . v ° ' , -111. • N4 FIG. 1 effluent Processes 0 111 1 1 1 0 11 polymer including: polymerizing POLYMER DEVOLATILIZATION PROCESSES S ' 0 0 ifi ......... Ima r i ,.... 1 .00 1 to produce relative stream including polymer substantially for devolatilizing a polymer stream are also provided herein. ° to stream S 4 11 41 : a 41 4'1110\". spirals ---- including second effluent stream, of the 41 11 1 ------ a solution spiral a monomer dissolved in a solvent in of the polymer and the solvent; where the first effluent stream heat exchanger and performing a free of the solvent; and a O [Continued on next page] WO 2018/044395 Al MIDEDIMOMMIONERIONOMOIMIDOIMMEM# 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). Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(U)) — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))