US 11,814,505 B2
Pipe with high abrasion resistance
Dongbo Xing, Shanghai (CN); Hongtao Shi, Shanghai (CN); Kai Guo, Shanghai (CN); Xiqiang Liu, Shanghai (CN); Dong Wan, Shanghai (CN); and Maria Soliman, Selfkant (DE)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 16/961,822
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Jan. 15, 2019, PCT No. PCT/EP2019/050907
§ 371(c)(1), (2) Date Jul. 13, 2020,
PCT Pub. No. WO2019/145191, PCT Pub. Date Aug. 1, 2019.
Claims priority of application No. 18153480 (EP), filed on Jan. 25, 2018.
Prior Publication US 2021/0079203 A1, Mar. 18, 2021
Int. Cl. B32B 1/08 (2006.01); C08L 23/14 (2006.01); C08L 23/06 (2006.01)
CPC C08L 23/14 (2013.01) [C08L 23/06 (2013.01); C08L 2203/18 (2013.01); C08L 2207/062 (2013.01); C08L 2207/066 (2013.01)] 15 Claims
 
1. A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising
a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and
b) an olefin polymer selected from high-density polyethylene (HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.