Unsaturated hydrocarbon. Olefins such as ethylene and propylene are produced from crude-oil fraction or natural gas. They serve as base materials for polymer (plastic) and other chemical products.
Olefin polymerization
Manufacture of olefin-based polymers, such as polyethylene and polypropylene.
Oligomerization
Chemical reaction incorporating monomers into higher molecular compounds.
OPERATING LEASES
Lease agreements under which the risks and opportunities arising from ownership remain with the lessor. According to ias, the lease asset is capitalized by the lessor.
Oxidation catalysis
Catalyst required for the oxidative production of basic chemicals, including phthalic acid.
