Patent SG-11201807184Q-A (SG)
Title: An ethylene/alpha-olefin copolymer composition, and articles comprising the same
Inventor: WANG JIAN
IPC: C08L23/08
Filed: 2017-02-22
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 11111111011110111010101111101011111011101111011011110111011101111101111011111 International Bureau .. .... ..Yejd ..... .....!;,,, (10) International Publication Number (43) International Publication Date WO 2017/151358 Al 8 September 2017 (08.09.2017) WIP0 I PCT (51) International Patent Classification: (74) Agent: RAWLS, Judith C.; The Dow Chemical Com- C08L 23/08 (2006.01) pany, Intellectual Property, P. 0. Box 1967, Midland, Michigan 48641-1967 (US). (21) International Application Number: PCT/US2017/018820 (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (22) International Filing Date: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, 22 February 2017 (22.02.2017) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, (25) Filing Language: English 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, (26) Publication Language: English KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (30) Priority Data: MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 16382091.3 2 March 2016 (02.03.2016) EP 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, (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, [US/US]; 2040 Dow Center, Midland, MI 48674 (US). ZA, ZM, ZW. (72) Inventors: WANG, Jian; 2301 N. Brazosport Blvd., (84) Designated States (unless otherwise indicated, for every Building B-1470, Freeport, TX 77541 (US). KAPUR, kind of regional protection available): ARIPO (BW, GH, Mridula Babli; 2301 Brazosport Boulevard, Building B- GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 1470, Freeport, TX 77541 (US). DEMIRORS, Mehmet; TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, 2301 N. Brazosport Blvd., Building B-1470, Freeport, TX TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, — 77541 (US). GINGER, Douglas S.; 2301 N. Brazosport DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, — Blvd., Building B-2830, Freeport, TX 7754177019 (US). LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, _ FONTAINE, Philip P.; 2301 N. Brazosport Blvd, Build- SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, ing B-1814, Freeport, TX 77541 (US). BASTERO, GW, KM, ML, MR, NE, SN, TD, TG). = Amaia; Autovia Tarragona - Salou s/n, 43006 Tarragona Published: LOPEZ, David; Autovia Tarragona-Saliu, P (ES). s/n, = Building, 43006 Tarragona (ES). — with international search report (Art. 21(3)) = = = = = = = = = = = = 1-1 GC 0 ' ) M Il 0 ' ) Il (54) Title: AN ETHYLENE/ALPHA-OLEFIN COPOLYMER COMPOSITION, AND ARTICLES COMPRISING THE SAME 1-1 C (57) : An ethylene/alpha-olefm copolymer composition having a density from 0.935 to 0.955 g/cc; a ratio of weight average N molecular weight to number average molecular weight, Mw/Mn, of from 3 to 10; a z-average molecular weight, Mz, from 200 O kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours at 80°C and 2.4 MPa; wherein when the composition is formed ,1 . into a monolayer pipe the pipe has a pipe hydrostatic strength of greater than 100 hours at 20°C and 12.0 MPa. Also provided is a pipe or pipe fitting comprising the ethylene/alpha-olefm copolymer composition.