| http://www.w3.org/ns/prov#value | - In the present invention, it is important that the polyolefin composition should comprise the ultra-high-molecular-weight ethylene/??-olefin copolymer in such an amount that the number of branched chains per 1000 carbon atoms in the composition is 0.2 to 5.0 on the average, especially 0.5 to 3.0 on the average.
|
