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US 2006/0235166 A1Published application
Polymer networks
OwnerShik Tsang, Peter Jenkinsinventors
Life of this patent
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Abstract
The present invention provides catalytic polymer networks containing an active atom of tin, silicon or germanium having a high activity with reduced toxicity due to reduced leaching of the active atom from the polymer.
Claims36
1-45. (canceled)
A polymer comprising:
- a structural unit (1)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, organic polymers and inorganic polymers;
- R2 is individually selected from divalent hydrocarbon radicals;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is selected from H, Cl, Br and I;
- Y is selected from H, Cl, Br and I;
- m is an integer of 1 or 2;
- p is an integer of 1 or 2;
- q is an integer of 1 or 2;
- r is an integer of 0 or 1;
- and,
- wherein m+p+q+r=4, or
- a structural unit (2)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, H, Cl, Br, I, organic polymers and inorganic polymers;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- and,
- m is an integer of 1-4.
16 more elements
A process for the production of a polymer comprising a structural unit (2)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, H, Cl, Br, I, organic polymers and inorganic polymers;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- and,
- m is an integer of 1-4;
- comprising reacting a diGrignard reagent having the formula (3)
- XM′(R)M′X (3)
- wherein X is individually selected from the group consisting of Cl, Br and I;
- M′ is individually selected from the group consisting of Group II metals;
- and,
- R is selected from divalent hydrocarbon radicals;
- with a compound having the formula (4)
- R1aMX′b (4)
- wherein R1 is selected from the group consisting of monovalent hydrocarbon radicals, H, organic polymers and inorganic polymers;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is individually selected from the group consisting of Cl, Br and I;
- X′ is individually selected from the group consisting of Cl, Br and I;
- a is an integer of 0-2;
- and,
- b is an integer of 2-4.
17 more elements
A process for the production of a polymer comprising a structural unit (1)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, organic polymers and inorganic polymers;
- R2 is individually selected from divalent hydrocarbon radicals;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is selected from Cl, Br and I;
- Y is selected from Cl, Br and I;
- m is an integer of 1 or 2;
- p is an integer of 1 or 2;
- q is an integer of 1 or 2;
- r is an integer of 0 or 1;
- and,
- wherein m+p+q+r=4;
- comprising reacting a compound having formula (2) as defined in claim 69 with a compound selected from a chlorinating agent, a brominating agent and an iodinating agent.
10 more elements
A process for the production of a polymer comprising a structural unit (1)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, organic polymers and inorganic polymers;
- R2 is individually selected from divalent hydrocarbon radicals;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is selected from H, Cl, Br and I;
- Y is selected from H, Cl, Br and I;
- with the proviso that at least one of X or Y is H;
- m is an integer of 1 or 2;
- p is an integer of 1 or 2;
- q is an integer of 1 or 2;
- r is an integer of 0 or 1;
- and,
- wherein m+p+q+r=4;
- comprising reacting a polymer comprising a structural unit (1),
- wherein X and Y are selected from Cl, Br and I, with a reducing agent that is a hydride source.
12 more elements
A process for the production of a polymer comprising a structural unit (1)
- wherein R is individually selected from divalent hydrocarbon radicals;
- R1 is selected from the group consisting of monovalent hydrocarbon radicals, organic polymers and inorganic polymers;
- R2 is individually selected from divalent hydrocarbon radicals;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is selected from H, Cl, Br and I;
- Y is selected from H, Cl, Br and I;
- with the proviso that at least one of X or Y is H;
- m is an integer of 1 or 2;
- p is an integer of 1 or 2;
- q is an integer of 1 or 2;
- r is an integer of 0 or 1;
- and,
- wherein m+p+q+r=4, comprising the steps of:
- (i) reacting a diGrignard reagent having the formula (3)
- XM′(R)M′X (3)
- wherein X is individually selected from the group consisting of Cl, Br and I;
- M′ is individually selected from the group consisting of Group II metals;
- and,
- R is selected from divalent hydrocarbon radicals;
- with a compound having the formula (4)
- R1aMX′b (4)
- wherein R1 is selected from the group consisting of monovalent hydrocarbon radicals, H, organic polymers and inorganic polymers;
- M is a tin, silicon or germanium atom, preferably tin or silicon, more preferably tin;
- X is individually selected from the group consisting of Cl, Br and I;
- X′ is individually selected from the group consisting of Cl, Br and I;
- a is an integer of 0-2;
- and,
- b is an integer of 2-4;
- (ii) reacting the product of step (i) with a compound selected from a chlorinating agent, a brominating agent and an iodinating agent;
- and,
- (iii) reacting the product of step (iii) with a reducing agent that is a hydride source.
28 more elements
A polymer comprising the structural unit (5)
- (HSi)n (5)
- wherein n is an integer.
A process for the production of a polymer comprising a structural unit (5)
- (HSi)n (5)
- wherein n is an integer;
- comprising reducing a compound having the formula (6)
- HSiX″3 (6)
- wherein X″ is individually selected from the group consisting of Cl, Br and I.
2 more elements
Dependencies are inferred from the claim text.