Norbornylene-based polymer systems for dielectric applications
View Patent ↗A capacitor having at least one electrode pair being separated by a dielectric component, with the dielectric component being made of a polymer such as a norbornylene-containing polymer with a dielectric constant greater than 3 and a dissipation factor less than 0.1 where the capacitor has an operating temperature greater than 100° C. and less than 170° C.
1. A capacitor, comprising at least one electrode pair, said electric pair being separated by a dielectric component, said dielectric component comprising a polymer comprising a norbornylene-containing polymer with a dielectric constant greater than 3 and a dissipation factor less than 0.1, said capacitor having an operating temperature greater than 100° C. and less than 170° C.
2. The capacitor of claim 1 wherein said dielectric component comprises the norbornylene-containing polymer on a substrate.
3. The capacitor of claim 1 wherein said dielectric component comprises a free-standing film formed by spinning said norbornylene-containing polymer onto siloxane-treated Mylar.
4. The capacitor of claim 1 wherein said norbornylene-containing polymer comprises N-phenyl-7-oxabicyclo(2.2.1)5-heptene-2,3-dicarboximide copolymerized with norbornylene.
5. The capacitor of claim 1 wherein said norbornylene-containing polymer comprises poly(—N-phenyl-7-oxanorbornene-5,6-dicarboximide).
6. The capacitor of claim 1 wherein said norbornylene-containing polymer comprises the compounds shown by the formulas
represented by the chemical formula (C 14 H 6 NO 2 R 1 R 2 R 3 R 4 R 5 X) n (C 6 H 6 R 6 R 7 X) m , (C 8 H 6 NOR 8 C) n (C 6 H 6 R 9 R 10 X) m , (C 8 H 6 N 2 O 2 R 11 R 12 R 13 R 14 X) n (C 6 H 6 R 15 R 16 X) m , (C 8 H 6 O 2 R 17 R 18 XY 2 ) n (C 6 H 6 R 19 R 20 X) m , and (C 8 H 6 NO 2 R 21 X) n (C 2 H 2 R 22 ) m , respectively, wherein X is selected from oxygen, nitrogen, carbon, and sulfur, Y is selected from oxygen, nitrogen, and sulfur and R 1 through R 22 is selected from an alkyl, alkenyl, alkynyl, a partially halogenated alkyl, a totally halogenated alkyl, alkenyl, and a alkynyl group, wherein additionally R 1 through R 7 , R 9 , R 10 , R 15 , R 16 , R 19 , R 20 , and R 22 can be selected from an ether, an ester, an amine, an amide, an imide, a sulfide, a thioester, a carbonate, and a carbamate group.
7. The capacitor of claim 1 wherein said norbornylene-containing polymer comprises a polymer dielectric formed using a method selected from ring opening metathesis and acyclic diene metathesis.
8. The capacitor of claim 1 wherein the operating frequency range is between 100 Hz and 1 GHz.