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'Liquid Crystalline Thiophene Compounds' in keywords
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1996 (1)
1Author    G. Erhard, Koßmehl* Bettina LabahnRequires cookie*
 Title    Liquid Crystalline Compounds in the Thiophene Series, Part 12+ Synthesis and Characterization of Side Chain Polysiloxanes with Low Transition Temperatures  
 Abstract    Polysiloxanes as side chain polymers containing the 2.2'-bithiophene unit, hexyl and octyl terminal groups and spacer units with 3, 5. 6 and 10 m ethylene groups were prepared and characterized. These polymers have monotropic liquid crystalline phases with transition tem ­ peratures below 0 °C (e. g. for polymer 6p: isotropic — * ■ liquid crystalline transition: -20 °C; liquid crystalline — * ■ solid transition: -43 °C). Polymers with a trimethylene spacer group must contain an octyl terminal group for forming liquid crystalline phase; a hexyl group does not form such a phase. 
  Reference    Z. Naturforsch. 51b, 286—2 (1996); received July 7 1995 
  Published    1996 
  Keywords    Liquid Crystalline Thiophene Compounds, Liquid Crystalline Polysiloxanes, Bithiophene Derivatives, Liquid Crystalline Side Chain Polymers 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0286.pdf 
 Identifier    ZNB-1996-51b-0286 
 Volume    51