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Name
DOW DMC Process
Owner
/ Dow Incorporated
Brand
Continuous Loop Flow Polyether Polyol Process
Process
Ring-Opening Polymerization
Type
Propoxylation to Polypropylene Oxide
Available
Continuous Loop Flow Process to produce Polyether Polyols with a narrow range of molecular weights, with little if any unsaturated Byproducts, with efficient heat transfer, and/or at high Production rates, employing a Double Metal Cyanide (DMC) Catalyst. The Continuous Loop Flow Process may use one or more continuous Flow Loops comprising a Heat Exchanger, a means to move material around each Loop, inlets for Catalyst, Monomer, Initiator or Starter, and an outlet for Polyol Product. The Product from the Outlet of the Loop is sent to a Tubular Reactor as it is desirable at the end of the Process or during the Production of Block Copolymers, for example, when a Monomer that has been used in a Loop Flow Reactor is not desired in the Loop Flow Reactor that follows.
Link
https://patents.google.com/patent/US20110105802
System Info

Updated by
UserPic  Kokel, Nicolas
Updated
4/17/2022 2:45 PM
Added by
UserPic  Kokel, Nicolas
Added
4/17/2022 1:59 PM
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Title Date
Entity Site (Country) Asset (Plant)
Sadara Sadara DMC Polyol