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  • Amphiphilic polymers  (1)
  • discotics  (1)
  • Springer  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Monolayers of rod-shaped and disc-shaped liquid crystalline compounds at the air-water interface (1986)
    Springer
    Colloid & polymer science 264 (1986), S. 659-667 
    Details
    ISSN: 1435-1536
    Keywords: Monolayers ; liquid crystals ; discotics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Calamitic (rod-shaped) and discotic (disc-shaped) thermotropic liquid crystalline (LC) compounds were spread at the air-water interface, and their ability to form monolayers was studied. The calamitic LCs investigated were found to form monolayers which behave analogously to conventional amphiphiles such as fatty acids. The spreading of the discotic LCs produced monolayers as well, but with a behaviour different from classical amphiphiles. The areas occupied per molecule are too small to allow the contact of all hydrophilic groups with the water surface and the packing of all hydrophobic chains. Various molecular arrangements of the discotics at the water surface to fit the spreading data are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01469526
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  • 2
    Electronic Resource
    Electronic Resource
    Polysoaps with fluorocarbon hydrophobic chains (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 1138-1143 
    Details
    ISSN: 1435-1536
    Keywords: Amphiphilic polymers ; fluorocarbon polymers ; associating polymers ; polysoaps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A series of amphiphilic copolymers is prepared by copolymerization of choline methacrylate with 1,1,2,2-tetrahydroperfluorooctyl methacrylate in varying amounts. The copolymers bearing fluorocarbon chains are studied concerning their effects on viscosity, solubilization and surface activity in aqueous solution, exhibiting a general behavior characteristic for polysoaps. The results are compared with the ones obtained for an analogous series of amphiphilic copolymers bearing hydrocarbon chains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653081
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    Paper (German National Licenses)
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