	US 12,066,145 B2
	Biaxially oriented pipe
Ajay Kumar Taraiya, Maastricht (NL); Maria Soliman, Selfkant (DE); Peter Degenhart, Echt (NL); Mark Johannes Boerakker, Eindhoven (NL); and Henrica Norberta Alberta Maria Steenbakkers-Menting, Susteren (NL)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 17/762,409
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Sep. 23, 2020, PCT No. PCT/EP2020/076520 § 371(c)(1), (2) Date Mar. 22, 2022, PCT Pub. No. WO2021/058533, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 19199219 (EP), filed on Sep. 24, 2019.
Prior Publication US 2022/0349499 A1, Nov. 3, 2022
Int. Cl. F16L 9/12 (2006.01); B29C 55/00 (2006.01); B29C 55/26 (2006.01); B29K 23/00 (2006.01); B29L 23/00 (2006.01)

CPC F16L 9/12 (2013.01) [B29C 55/005 (2013.01); B29C 55/26 (2013.01); B29K 2023/16 (2013.01); B29L 2023/22 (2013.01)]

19 Claims

1. A biaxially oriented pipe made of a polymer composition comprising a propylene-based polymer, wherein the propylene-based polymer comprises a random copolymer of propylene and a comonomer which is ethylene and/or an α-olefin having 4 to 10 carbon atoms, wherein the propylene-based polymer has a comonomer content of 0.1 to 3.8 wt % based on the propylene-based polymer, wherein the pipe has a time to failure of at least 100 hours according to ISO 1167-1 determined at a stress level of 20 MPa and a temperature of 20° C.