KBR has been a leader in
olefin plant design, construction and technology development for more than 50 years.
Olefin is a petrochemical class that includes ethylene, propylene and butadiene.
It will also produce ethylene for the production of ethylene vinyl acetate copolymers, which are used to make adhesives, foams, medical devices, photovoltaic cells, and other products and C4
olefins for the production of butadiene, an ingredient in synthetic rubber.
These workers therefore proposed a reaction sequence involving the stepwise addition of a single metal-nitrogen [pi]-bond across the
olefin [pi]-bond, followed by a rapid reductive elimination involving the second metal-nitrogen [pi]-bond to form the observed 1, 2-dinitrosoalkane (Scheme 2), since the addition of an
olefin across a metal-ligand [pi]-bond will occur with a small activation energy (on the order of 2 kcal/mol) and reductive elimination reactions have been shown to take place with small activation energies [17].
Heather Walch, business director, North America Hygiene, says, "Our award-winning, high-cohesive
olefin technology has already been recognized as the best in their class by a leading global research firm.
Indonesia will needs to invest US$18 billion to expand the capacity of its integrated petrochemical complex with upstream and downstream production facilities including oil refineries,
olefin and aromatic factories.
Lowe's selection is heavy on traditional designs in machine-made polypropylene or
olefin. Machine-woven polypropylene rugs from Oriental Weavers and Natco Home Fashions are around $198 to $397 for 8-by-10-foot sizes, or $127 to $198 for 5-by-8-foot sizes.
The project is reported to be the largest
olefin complex in the world.
Dow Chemical, Midland, Mich., is gearing up for full-scale manufacturing of its new Infuse OBCs (thermoplastic
olefin block copolymers) at Freeport, Texas, in the third quarter.
A "new class" of transparent
olefin materials for precision electro-optic applications promises weight and manufacturing-cost advantages over glass along with performance advantages over other thermoplastics.
