Patent US4200701A successfully refreshed from Google Patents.
US4200701A
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Polymeric materials
Assignee: National Research Development Corp UK
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Filing: 1977-08-29
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Granted: 1980-04-29
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Expires: 1997-08-29
Abstract
Abstract A polymeric material which comprises an amorphous solid solution formed between a metallic compound and a polymer by virtue of ether, thioether or urethane linkages contained therein, the metal of the metallic compound being selected from the group consisting of Be, Mg, Sr, Ba, Sc, Y, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Al, La and the other lanthanides.
Inventors
- 👤 Raymond E. Wetton
- 👤 David B. James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/025; C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/838; C08G75/00; C08G75/02; C08G85/00; C08G85/004; C08K; C08K3/00; C08K3/01; C08K3/013; C08K3/10; H01G7/00; H01G7/02; H01G7/021; H01G7/023; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/181
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
100 words
A polymeric material which comprises an amorphous solid solution formed between a metallic salt and a polymer by virtue of a multiplicity of ether, linkages present in the backbone of said polymer or in pendant groups of said polymer or both, the metal of the metallic salt being selected from the group consisting of Be, Mg, Sr, Ba, Sc, Y, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Ge, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Al, La and the other lanthanides.
Claim 2
Dependent Claim
100 words
A polymeric material which comprises an amorphous solid solution formed between a metallic salt and a polymer by virtue of a multiplicity of ether, linkages present in the backbone of said polymer or in pendant groups of said polymer or both, the metal of the metallic salt being selected from the group consisting of Be, Mg, Sr, Ba, Sc, Y, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Ge, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Al, La and the other lanthanides.
Claim 3
Dependent Claim
29 words
A polymeric material according to claim 1, in which, when the metal of the metallic salt is zinc, the non-metallic moiety of the metallic salt is other than chlorine.
Claim 4
Dependent Claim
19 words
A polymeric material according to claim 1, in which the polymer comprises at least 5 mole % ether linkages.
Claim 5
Dependent Claim
20 words
A polymer material according to claim 1, in which the polymer comprises no more than 50 mole % ether linkages.
Claim 6
Dependent Claim
14 words
A polymeric material according to claim 1, in which the polymer is a polyether.
Claim 7
Dependent Claim
29 words
A polymeric material according to claim 1, in which the polymer is a homopolymer or copolymer of: an alkylene oxide, a vinylether, phenylene oxide, styrene oxide, formaldehyde or epichlorohydrin.
Claim 8
Dependent Claim
27 words
A polymeric material according to claim 1, in which the metal in the metallic salt is Zn, Co, Sn, Ni, Fe, Hg, Zr, Al, Mg, or Ag.
Claim 9
Dependent Claim
57 words
A polymeric material according to claim 1, in which the metallic salt comprises an anion selected from the group consisting of F - , Cl - , Br - , I - , NO 3 - , CNS - , NCS - , ClO 3 - , ClO 4 - , phosphate acetate or other organic anion.
Claim 10
Dependent Claim
24 words
A polymeric material according to claim 8, in which the anion is other than I - , ClO 3 - , or a phosphate.
Claim 11
Dependent Claim
15 words
A polymeric material according to claim 1, in which the metallic salt is zinc bromide.
Claim 12
Dependent Claim
22 words
A polymeric material according to claim 10, in which the metallic salt is zinc bromide and the polymer is poly (propylene oxide).
Claim 13
Dependent Claim
29 words
A polymeric material according to claim 1, in which the concentration of the metallic salt in the polymer is at least 2 mole % of the total ether, linkages.
Claim 14
Dependent Claim
31 words
A polymeric material according to claim 1, in which the concentration of the metallic salt in the polymeric material is no greater than 50 mole % of the total ether linkages.
Claim 15
Dependent Claim
11 words
An electret film comprising a polymeric material according to claim 1.
Claim 16
Dependent Claim
11 words
A dielectric absorber comprising a polymeric material according to claim 1.
Claim 17
Dependent Claim
11 words
A microwave oven seal comprising a material according to claim 1.
Claim 18
Dependent Claim
11 words
A dielectric welding material comprising a material according to claim 1.
Claim 19
Dependent Claim
162 words
A process for the production of an amorphous solid solution formed between a metallic salt and a polymer, by virtue of a plurality of ether linkages which are present in the backbone of said polymer or in pendant groups of said polymer or in both, which comprises: preparing a solution of a polymer and a metallic salt in a solvent, wherein the metal of said metallic salt is in its atmospherically stable oxidation state and is selected from the group consisting of: Be, Mg, Sr, Ba, Sc, Y, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Ge, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Al, La and the other lanthanides; removing the solvent from said solution at a rate such that the resulting polymeric product remains predominantly in a single phase; and recovering an amorphous solid solution of said metallic salt in said polymer.
Claim 20
Dependent Claim
162 words
A process for the production of an amorphous solid solution formed between a metallic salt and a polymer, by virtue of a plurality of ether linkages which are present in the backbone of said polymer or in pendant groups of said polymer or in both, which comprises: preparing a solution of a polymer and a metallic salt in a solvent, wherein the metal of said metallic salt is in its atmospherically stable oxidation state and is selected from the group consisting of: Be, Mg, Sr, Ba, Sc, Y, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Ge, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Al, La and the other lanthanides; removing the solvent from said solution at a rate such that the resulting polymeric product remains predominantly in a single phase; and recovering an amorphous solid solution of said metallic salt in said polymer.
Claim 21
Dependent Claim
23 words
The process of claim 18, wherein the removal of said solvent is carried out at a temperature of about 100° C. or less.
Claim 22
Dependent Claim
23 words
The process of claim 18, wherein said solvent is removed by passage of a stream of gas over the surface of said solution.
Claim 23
Dependent Claim
20 words
The process of claim 18, wherein said solvent is a mixture of a polar solvent and a less polar co-solvent.
Claim 24
Dependent Claim
11 words
The process of claim 18, wherein said polymer is a polyether.
Claim 25
Dependent Claim
11 words
The amorphous solid solution prepared by the process of claim 18.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-29 | 1983-10-29 | 1984-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-29 | 1987-10-29 | 1988-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-29 | 1991-10-29 | 1992-04-29 | $7700.00 | Window Closed / Lapsed |