欢迎登录材料期刊网

材料期刊网

高级检索

设计并合成了两类含氟液晶化合物,分别为4-[(4-烷氧基2,3,5,6-四氟苯基)乙炔基]苯甲酸(4-烷氧基)苯酯和4-[(4-烷氧基2,3,5,6-四氟苯基)乙基]苯甲酸(4-烷氧基)苯酯,前者由于将全氟苯环引入了二苯乙炔结构中,所以具有高双折射率和低的黏度,且耐热性好,可作为自适应光学系统空间光调制器液晶材料;后者引入亚乙基结构使分子的双折射率很小且黏度更低,可作为TFT-LCD混合液晶材料中的减黏部分.两个目标化合物分别是通过sonogashira交叉偶联反应和钯催化加氢还原反应获得.

参考文献

[1] 闻建勋,余洪斌,郭志红.一类新型含氟液晶的合成研究[C]//第六届中国液晶会议文集,深圳:中国液晶学会,1991.
[2] 闻建勋,陈齐,郭志红.含全氟苯环的液晶化合物及制备方法,中国专利:CN 92108444.7[P].1992-11-25.
[3] Wen J X,Xu Y L,Tian M Q,et al.The synthesis and mesomorphic properties of some nlvel fluoronated ferroelectric liquid crystals[J].Ferroelectrics,1993,148(1):129-138.
[4] 黄锡珉.液晶显示技术的开发和产业化[J].液晶与显示,2002,17(6):403-415.
[5] Pauluth D,Tarumi K.Advanced liquid crystals for television[J].J.Mater.Chem.,2004,14(8):1219-1227.
[6] Hird M.Fluorinated liquid crystals-properties and applications[J].Chem.Soc.Rev.,2007,36(12):2070-2095.
[7] Oh-e M,Kondo K.Electro-optical characteristics and switching behavior of the in-plane switching mode[J].Appl.Phys.Lett.,1995,67(26):3895-3897.
[8] Pashkovsky E E,Litvina T G.Influence of polymer-molecules on the rotational viscosity and backflow effect at the bend freederiks transition in nematic liquid-crystals[J].Macromolecules,1995,28(6):1818-1824.
[9] Ishinabe T,Miyashita T,Uchida T.Wide-viewing-angle polarizer with a large wavelength range[J].Jpn.J.Appl.Phys.,2002,41:4553-4558.
[10] 闻建勋,李衡峰.含氟二苯乙炔类化合物制备方法及用途,中国专利:CN1271712[P].2000-03-24.
[11] Xu Y L,Chen Q,Wen J X.Synthesis and mesomorphic properties of the homologous series of 4'-bromophenyl 4"-[(4 n-alkoxy-2,3,5,6-tetrafluorophenyl)ethynyl]benzoates[J].Liq.Cryst.,1993,15:915-918.
[12] Xu Y L,Tian M Q,Hou G,et al.The synthesis and mesomorphic properties of 4'-n-alkoxypheny 4"-[(4-n-alkoxy-2,3,5,6-tetrafluorophenyl)ethynyl benzoates[J].Mol.Cryst.Liq.Cryst.,1996,281:37-42.
[13] 张然,彭增辉,刘永刚,等.高低黏度液晶的合成及性能研究[J].液晶与显示,2009,24(6):789-793.
[14] 孙亮,张智勇,游红军,等.含氟联苯乙炔液晶化合物的合成及其低温性能[J].液晶与显示,2010,25(6):784-791.
[15] Liang X,Lu Y Q,Wu S T,et al.Dual-frequency addressed variable optical attenuator with submilisecond response time[J].Jpn.J.Appl.Phys.,2005,44:1292-1295.
[16] Dziaduszek J,Kula P,Dablrowski W,et al.Genral synthesis method of alkyl-alkoxy mult-fluorotolunes for negative high birefringece nemative mixture[J].Liq.Cryst.,2012,39:239-247.
[17] Read R R,Miller E.Some substituted phenols and their germicidal activity[J].J.Am.Chem.Soc.,1932,54:1195-1199.
[18] Zhang Y D,Wen J X.Aconvenient synthesis of fluoro-aromatic acetylene derivatives[J].J.Fluorine Chem.,1990,47:533-535.
[19] Zhang Y D,Wen J X.Synthesis of fluoro-diacetylene monomers:1,4-bis (2,4,6-triayloxy-difluorophenyl)butadiynes[J].J.Fluorine Chem.,1991,51:433-437.
[20] Balkwill P,Bishop D,Sage I,et al.Fluorination in nematic systems[J].Mol.Cryst.Liq.Cryst,.1985,123:1-13.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%