Process for continuous synthesis of polymer compositions as well as use of same
AssigneeRohmax Additives GmbH
InventorsMarkus Scherer, Joseph Martin Bollinger, David J. Cooper, Jr., Larry Stephen Tillery, Robert Woodruff
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Abstract
The present invention relates to a process for synthesis of polymer compositions, wherein ethylenically unsaturated monomers are polymerized by means of initiators containing a transferable atom or group of atoms and of one or more catalysts comprising at least one transition metal in the presence of ligands which can form a coordination compound with the metal catalyst or catalysts, the process being characterized in that the polymerization takes place by means of continuous process operation.
Claims29
A process for the synthesis of a polymer composition, comprising:
- polymerizing an ethylenically unsaturated monomer in the presence of
- 1) an initiator containing a transferable group of atoms, and
- 2) one or more metal catalysts comprising at least one transition metal, and
- 3) ligands which form a coordination compound with the metal catalyst;
- to obtain a transition metal-containing reaction product;
- wherein said process is a continuous process;
- and
- wherein the ethylenically unsaturated monomer comprises 50 to 100 wt % of one or more ethylenically unsaturated ester compounds of formula (I), based on a total weight of ethylenically unsaturated monomers
- wherein R denotes hydrogen or methyl,
- wherein R1 denotes a straight-chain or branched alkyl group with 10 to 40 carbon atoms,
- wherein each of R2 and R3 independently denote hydrogen or a group of the formula —COOR′, wherein R′ denotes hydrogen or a straight-chain or branched alkyl group with 10 to 40 carbon atoms,
- wherein a source of said metal catalyst is a constituent of a reactor material or wherein said source comprises an entire reactor material.
A process, comprising:
- a) polymerizing ethylenically unsaturated monomers in a batch process in the presence of:
- 1) an initiator containing a transferable atom or group of atoms, and
- 2) one or more metal catalysts comprising at least one transition metal, and
- 3) ligands which form a coordination compound with the metal catalyst, thereby obtaining a transition metal-containing reaction product;
- b) feeding said transition metal-containing reaction product to a receiver;
- and
- c) metering said transition metal-containing reaction product into a composition containing ethylenically unsaturated monomers, thereby initiating a further ATRP polymerization,
- wherein said further ATRP polymerization is carried out in a batch process or a continuous process;
- and
- wherein the ethylenically unsaturated monomer comprises 50 to 100 wt % of one or more ethylenically unsaturated ester compounds of formula (I), based on a total weight of ethylenically unsaturated monomers
- wherein R denotes hydrogen or methyl,
- wherein R1 denotes a straight-chain or branched alkyl group with 10 to 40 carbon atoms,
- wherein each of R2 and R3 independently denote hydrogen or a group of the formula—COOR′, wherein R′ denotes hydrogen or a straight-chain or branched alkyl group with 10 to 40 carbon atoms,
- wherein a source of said metal catalyst is a constituent of a reactor material or wherein said source comprises an entire reactor material.
Dependencies are inferred from the claim text.