Compositions – Liquid crystal compositions
Patent
1998-08-10
2000-10-03
Wu, Shean C.
Compositions
Liquid crystal compositions
2522995, 25229967, 505120, 505122, 505125, 505785, C09K 1952, C09K 1938, H01B 112
Patent
active
061268550
ABSTRACT:
The invention provides superior reaction products of copper, especially ultra-clean copper and polymeric chemical complexes. The polymers are unusual in that they provide polymeric systems of extensive conjugated double bond networks well suited for electron flow. The polymers are the covalent reaction products of aroylacrylates and isocyanates or thioisocyanates and are of stability and ease of manufacture.
The materials provide superior electrical conductors and superconductors. Through the use of lattice modifiers and stabilizers the lattices of the polymers may be "fine tuned" easily so as to optimize important characteristics such as electron flow.
The organic coatings on the copper perform best as thin films, especially as films thinner than lambda, the penetration depth of the magnetic flux into the superconductor. The long term widely accepted use of copper as an electrical conductor, with its flexibility, durability, and strength is preserved while its electrical current capacity is greatly enhanced. Whether the copper is in the form of wire, sheet, foil, or thin films on supporting substrates, the reaction product coating profoundly enhances the commercial potential of the materials.
Systems for providing both non-polymeric and polymeric liquid crystal complexes of enhanced purity have been developed and contribute to the excellent performance of these materials. These systems can readily be formulated so as to enhance both their electrical conductance and their diamagnetic qualities. Thus, as maglev materials for satellites, as components of motors, as ingredients in static-dissipative compositions, or EMI-control plastics, and similar applications they are of great utility.
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