Compositions – Liquid crystal compositions
Patent
1990-05-24
1991-09-17
Stoll, Robert L.
Compositions
Liquid crystal compositions
2522995, 2522996, 252 6256, 252 6251, 252309, 252310, 2523152, 252314, 359103, C09K 1952, C01G 4908, B66D 114
Patent
active
050493078
ABSTRACT:
A composition comprising a lyotropic ferromagnetic liquid crystal. The lyotropic ferromagnetic liquid crystal contains 1 to 90% by weight of a surfactant, 1 to 90% by weight of a co-surfactant, 1 to 97% by weight of oil and 1 to 97% by weight of a polar liquid, the ratio of the co-surfactant mass to the surfactant mass is below 2. The four constituents form elongated aggregates with the surfactant and co-surfactant serving as an interface between the polar liquid and the oil and forming with the polar liquid the elongated aggregates. The aggregates contain ferromagnetic particles.
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Neto, A. M. F. et al., Mol. Cryst. Liq. Cryst. 129, 191, 1985.
Commissariat a l''Energie Atomique
Stoll Robert L.
Treanor Richard
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