| http://www.w3.org/ns/prov#value | - As to the polymerization form of propylene polymerization, slurry polymerization carried out in a hydrocarbon solvent such as n-hexane, n-heptane, n-octane, benzene, toluene, etc., bulk polymerization carried out in liquefied propylene and gas phase polymerization carried out in gas phase are mentioned, and among these, slurry polymerization is mot preferred.
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