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Chemistry, Physical Chemistry, and Uses of Molecular Fluorocarbon-Hydrocarbon Diblocks, Triblocks, and Related Compounds-Unique "Apblar" Components for Self-Assembled Colloid and Interface Engineering
被引:416
作者:
Krafft, Marie Pierre
[1
]
Riess, Jean G.
[2
]
机构:
[1] Univ Strasbourg, Inst Charles Sadron, SOFFT CNRS, F-67034 Strasbourg, France
[2] Harangoutte Les Roses, F-68160 Ste Croix Aux Mines, France
关键词:
SEMIFLUORINATED NORMAL-ALKANES;
LIQUID-CRYSTALLINE PHASES;
PERFLUORO-N-EICOSANE;
DISSOCIATIVE ELECTRON-TRANSFER;
SEMI-FLUORINATED ALKANES;
FIELD-FLOW FRACTIONATION;
LANGMUIR-BLODGETT-FILMS;
ABSOLUTE RATE CONSTANTS;
RADICAL CHAIN ADDITION;
RED-CELL STORAGE;
D O I:
10.1021/cr800260k
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The information regarding synthesis, structure, properties, and potential uses of fluorocarbon-hydrocarbon (FnHm) diblocks and related compounds, and self-assembled colloids and interfaces involving such compounds, is provided. The unique properties of FnHm diblocks are essentially determined by the forced covalent pairing of antipathetic F-chains and H-chains, resulting in an amphiphilic molecule. Terminally unsaturated diblocks are obtained from the iodinated diblocks by dehydrohalogenation with a strong base. The surface tension of neat liquid FnHm diblocks decreases when the weight of the F-chain is increased in the FnH(12-n) series and leveled off at 17.8 mN m-1 at 25°C. F12H2 behaves similar to F-n-alkanes at ambient temperature, adopting a hexagonal packing in a rhombohedral unit cell.
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页码:1714 / 1792
页数:79
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