| http://www.w3.org/ns/prov#value | - density and ultrahigh molecular weight polyethylene (HDPE-UHMW), medium densitypolyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), (VLDPE) and (ULDPE).Polyolefins, i.e. the polymers of monoolefins exemplified in the preceding paragraph, for example polyethylene and polypropylene, can be prepared by different, and especially by the following, methods: i)
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