| http://www.w3.org/ns/prov#value | - Use can be made of polyolefin homopolymers, such as polyethylene and polypropylene, but it is also possible, and sometimes preferred, to employ copolymers of one or more 1-alkenes or to employ copolymers of one or more 1-alkenes with other unsaturated monomers copolymerizable therewith.
|
