Dielectric material containing dipolar molecules

Details Dielectric material containing dipolar molecules Dielectric material containing dipolar molecules

1993-01-11

1995-02-14

Paschall, Mark H.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361323, 252575, H01G 404, H01G 408

Patent

active

053900731

ABSTRACT:
Dielectric materials having a high dipole moment density are provided. The high dipole moment density is achieved by the use of a substituted .alpha.-amino acid, such as N-trimethyl glycine and related homologues having nonpolar sidechain groups, with three alkyl substitutions on the nitrogen of the .alpha.-amino group. These molecules have a high dipole moment and small volume, allowing rapid rotation around the .alpha.-amino, carboxyl dipole. N-trimethyl glycine alone or in combination with one or more homologues is preferably provided as a solute in a liquid dielectric solution. Alternatively, these molecules are provided as substituents on a linear polymer.

REFERENCES:
patent: 3499791 (1970-03-01), Maloney
patent: 3684932 (1972-08-01), Ross et al.
patent: 3740625 (1973-06-01), Ross et al.
patent: 3774090 (1973-11-01), Ross et al.
patent: 3855508 (1974-12-01), Ross et al.
patent: 4586111 (1986-04-01), Cichanowski
J. Kircherova, et al., "Dielectric Increments and the Conformations of Amino Acids and Betaines in Water," Journal of Physical Chemistry, 80(18), pp. 1974-1980, 1976.

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