| http://www.w3.org/ns/prov#value | - Alpha-olefin polymer is understood as meaning polymers containing at least 50 mol %, and preferably at least 75 mol of olefins which have a terminal unsaturation and the molecule of which contains 2 to 18 carbon atoms, and preferably 2 to 8 carbon atoms, such as ethylene, propylene, but-1-ene, pent-1-ene, the methylbut-1-enes, hex-1-ene, the 3- and 4-methylpent-1-enes, vinylcyclohexene and styrene
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