液晶高分子智能调光玻璃研究进展
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摘要
文章介绍了聚合物稳定液晶(PSLC)和聚合物分散液晶(PDLC)的研究现状,包括聚合电场频率、不同单体配比、聚合网络的锚定作用、单体浓度、聚合电场波形、单体BAB6和手性剂含量对聚合物稳定胆甾相液晶光电性能的影响和不同醇、表面活性剂、阻聚剂、紫外光固化时间、纳米掺杂、液晶含量和引发剂含量、聚氨酯基对聚合物分散液晶电光特性的影响.基于聚合物液晶的智能调光玻璃在车窗玻璃、家居玻璃窗等方面有着良好的应用前景.
This review summarizes the works of polymer stabilized liquid crystal(PSLC) and polymer-dispersed liquid crystal(PDLC),including the effects of polymerization field frequency,monomer ratio,anchoring effect of polymerization network,monomer concentration,polymerization electric field,monomer BAB6 and chiral agent content on the photoelectric properties of PSLC and the effect of different alcohols,surfactants,inhibitors and UV curing time,nano-doped,liquid crystal content and initiator content,Polyurethane on electro-optic characteristics of PDLC. The intelligent dimming glass based on polymer liquid crystal has a good application prospect in buildings,automobiles and so on.
This review summarizes the works of polymer stabilized liquid crystal(PSLC) and polymer-dispersed liquid crystal(PDLC),including the effects of polymerization field frequency,monomer ratio,anchoring effect of polymerization network,monomer concentration,polymerization electric field,monomer BAB6 and chiral agent content on the photoelectric properties of PSLC and the effect of different alcohols,surfactants,inhibitors and UV curing time,nano-doped,liquid crystal content and initiator content,Polyurethane on electro-optic characteristics of PDLC. The intelligent dimming glass based on polymer liquid crystal has a good application prospect in buildings,automobiles and so on.
引文
[1]HIKMET R A M,OPHEY W G,BRAAT J J M.Polarization-sensitive beam splitter,method of manufacturing such a beam splitter and magneto-optical scanning device including such a beam splitter:US6366335[P].2002-02
[2]NOSE T,MASUDA S,SATO S,et al.Effects of low polymer content in a liquid-crystal microlens[J].Optics Letters,1997,22(6):351-353.
[3]YANG D K,CHIEN L C,DOANE J W.Cholesteric liquid crystal/polymer dispersion for haze-free light shutters[J].Applied Physics Letters,1992,60(25):3102-3104.
[4]REN H,FAN Y H,WU S T.Polymer network liquid crystals for tunable microlens arrays[J].Journal of Physics D:Applied Physics,2004,37(4/5/6):267-271.
[5]YANG D K,HUANG X Y,ZHU Y M.Bistable cholesteric reflective displays:materials and drive schemes[J].Materials Research,1997,27(27):117-146.
[6]KHAN A,SCHNEIDER T,MONTBACH E,et al.Recent progress in color flexible reflective cholesteric displays[J].Advanced Display,2007,80(10):5-8.
[7]KIKUCHI H,FUJII T,KAWAKITA M,et al.High-definition imaging system based on spatial light modulators with light-scattering mode[J].Applied Optics,2004,43(1):132-142.
[8]RAMANITRA A H,CHANCLOU P,DUPONT L,et al.Polymer-dispersed liquid crystal structure for variable optical attenuator application[J].Optical Engineering,2004,43(6):1445-1453.
[9]CRIANTE L,LUCCHETTA D E,SIMONI F.New holographic gratings recorded in polymer-dispersed liquid crystals[J].Proceedings of SPIE:The International Society for Optical Engineering,2006,6252:Art 62522B,5pp.
[10]PENA J M S,VAZQUEZ C,PEREZ I,et al.Electro-optic system for online light transmission control of polymerdispersed liquid crystal windows[J].Optical Engineering,2002,41(7):1608-1611.
[11]NATARAJAN L V,BECKEL E R,TONDIGLIA V P,et al.The effect of weak polymer stabilization on the switching properties of cholesteric liquid crystals[J].Molecular Crystals and Liquid Crystals,2009,502(1):143-153.
[12]KUMAR P,KANG S W,LEE S H.Advanced bistable cholesteric light shutter with dual frequency nematic liquid crystal[J].Optical Materials Express,2012,2(8):1121-1134.
[13]MA J,SHI L,YANG D K.Bistable polymer stabilized cholesteric texture light shutter[J].Applied Physics Express,2010,3(2):Art 021702,3pp.
[14]KYU T,CHIU H W.Morphology development during polymerization-induced phase separation in a polymer dispersed liquid crystal polymer[J].Polymer,2001,42:9173-9185.
[15]YIN Y,LI W,CAO H,et al.Effects of monomer structure on the morphology of polymer network and the electro-optical property of reverse-mode polymer-stabilized cholesteric texture[J].Journal of Applied Polymer Science,2009,111(3):1353-1357.
[16]LIANG H,WANG P,WU C,et al.Polymer network morphology and electro-optical properties of electrothermal switchable bistable polymer-stabilized cholesteric texture light shutters with various chiral dopant concentrations[J].Molecular Crystals and Liquid Crystals,2012,552(1):111-122.
[17]LIANG H H,WU C C,WANG P H,et al.Electro-thermal switchable bistable reverse mode polymer stabilized cholesteric texture light shutter[J].Optical Materials,2011,33(8):1195-1202.
[18]彭海炎,史小靖,廖永贵,等.不同醇对聚合物分散液晶光聚合动力学及其电光特性的影响[J].高分子学报,2012,12(1):41-46.PENG H Y,SHI X J,LIAO Y G,et al.Effects of different alcohols on photopolymerization kinetics,electro-optical performances of polymer dispersed liquid crystals[J].Acta Polymerica Sinica,2012,12(1):41-46.
[19]张凯,杜鑫,李儒,等.表面活性剂对聚合物分散液晶光电性能的影响[J].液晶与显示,2010,25(1):49-52.ZHANG K,DU X,LI R,et al.Effect of surfactant on electro-optical property of polymer dispersed liquid crystal[J].Chinese Journal of Liquid Crystals&Displays,2010,25(1):49-52.
[20]高峰,钱俊,刘慧慧,等.阻聚剂对聚合物分散液晶电光性能的影响[J].液晶与显示,2013,28(4):495-500.GAO F,QIAN J,LIU H H,et al.Effect of polymerization inhibitor on electro-optical properties of polymer dispersed liquid crystal films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(4):495-500.
[21]兰天,杨文杰,彭娟,等.紫外光固化时间对RAFT法制备的聚合物分散液晶膜电光性能及微观形貌的影响[J].高分子材料科学与工程,2014,30(5):52-56.LAN T,YANG W J,PENG J,et al.Effect of UV curing time on electro-optical properties and micro-morphology of RAFT dependent polymer dispersed liquid crystal[J].Polymeric Materials Science&Engineering,2014,30(5):52-56.
[22]王宇.纳米掺杂对聚合物分散液晶光电性能影响的研究[D].长春:吉林大学,2013.
[23]马利鹏,谢川,马丽露丝,等.液晶含量和引发剂含量对聚氨酯丙烯酸酯基聚合物分散液晶微观形貌和电光性能的影响[J].液晶与显示,2013,28(6):828-832.MA L P,XIE C,MA L L S,et al.Influence of liquid crystal contents and concentrations of initiator on morphology and electro-optical property of polyurethane acrylate PDLC films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(6):828-832.
[24]刘芳,曹晖,计鹏飞,等.聚氨酯基聚合物分散液晶的制备及电光性能研究[J].液晶与显示,2013,28(1):1-6.LIU F,CAO H,JI P F,et al.Preparation and electro-optical properties of polyurethane matrix based polymer dispersed liquid crystal films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(1):1-6.
[25]牛红林,华懿魁,史高飞,等.聚合电场频率对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2012,27(1):21-25.NIU H L,HUA Y K,SHI G F,et al.Effects of curing electric field frequency on electro-optic property of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2012,27(1):21-25.
[26]张姗娜,张俊,陆红波.不同单体配比对聚合物网络及聚合物稳定胆甾相液晶器件光电性能的影响[J].液晶与显示,2014,29(4):504-507.ZHANG S N,ZHANG J,LU H B.Influence of different monomer ratio on polymer network and photoelectric performance of polymer stabilized cholesteric liquid crystal[J].Chinese Journal of Liquid Crystals&Displays,2014,29(4):504-507.
[27]张俊,宋志刚,熊贤风,等.聚合网络的锚定作用对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2013,28(5):674-678.ZHANG J,SONG Z G,XIONG X F.Influence of anchoring effect of polymer network on electro-optic property of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2013,28(5):674-678.
[28]宣丽.单体浓度对聚合物稳定铁电液晶稳定性的影响[J].光子学报,2008,37(8):1529-1532.XUAN L.Effect of the monomer concentration on the stability of polymer-stabilized ferroelectric liquid crystal[J].Acta Photonica Sinica,2008,37(8):1529-1532.
[29]宋志刚,张俊,胡金良,等.聚合电场波形对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2014,29(3):339-344.SONG Z G,ZHANG J,HU J L,et al.Effect of curing electric field waveform on electro-optic properties of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2014,29(3):339-344.
[30]范华乐,任凤梅,白仁斗,等.单体BAB6和手性剂含量对聚合物网络稳定液晶电光性能的影响[J].高分子材料科学与工程,2012,28(3):88-91.FAN H Y,REN F M,BAI R D,et al.The influence of monomer BAB6 and chiral dopant contents on the electrooptical properties of polymer network-stabilized liquid crystal films[J].Polymeric Materials Science&Engineering,2012,28(3):88-91.
[2]NOSE T,MASUDA S,SATO S,et al.Effects of low polymer content in a liquid-crystal microlens[J].Optics Letters,1997,22(6):351-353.
[3]YANG D K,CHIEN L C,DOANE J W.Cholesteric liquid crystal/polymer dispersion for haze-free light shutters[J].Applied Physics Letters,1992,60(25):3102-3104.
[4]REN H,FAN Y H,WU S T.Polymer network liquid crystals for tunable microlens arrays[J].Journal of Physics D:Applied Physics,2004,37(4/5/6):267-271.
[5]YANG D K,HUANG X Y,ZHU Y M.Bistable cholesteric reflective displays:materials and drive schemes[J].Materials Research,1997,27(27):117-146.
[6]KHAN A,SCHNEIDER T,MONTBACH E,et al.Recent progress in color flexible reflective cholesteric displays[J].Advanced Display,2007,80(10):5-8.
[7]KIKUCHI H,FUJII T,KAWAKITA M,et al.High-definition imaging system based on spatial light modulators with light-scattering mode[J].Applied Optics,2004,43(1):132-142.
[8]RAMANITRA A H,CHANCLOU P,DUPONT L,et al.Polymer-dispersed liquid crystal structure for variable optical attenuator application[J].Optical Engineering,2004,43(6):1445-1453.
[9]CRIANTE L,LUCCHETTA D E,SIMONI F.New holographic gratings recorded in polymer-dispersed liquid crystals[J].Proceedings of SPIE:The International Society for Optical Engineering,2006,6252:Art 62522B,5pp.
[10]PENA J M S,VAZQUEZ C,PEREZ I,et al.Electro-optic system for online light transmission control of polymerdispersed liquid crystal windows[J].Optical Engineering,2002,41(7):1608-1611.
[11]NATARAJAN L V,BECKEL E R,TONDIGLIA V P,et al.The effect of weak polymer stabilization on the switching properties of cholesteric liquid crystals[J].Molecular Crystals and Liquid Crystals,2009,502(1):143-153.
[12]KUMAR P,KANG S W,LEE S H.Advanced bistable cholesteric light shutter with dual frequency nematic liquid crystal[J].Optical Materials Express,2012,2(8):1121-1134.
[13]MA J,SHI L,YANG D K.Bistable polymer stabilized cholesteric texture light shutter[J].Applied Physics Express,2010,3(2):Art 021702,3pp.
[14]KYU T,CHIU H W.Morphology development during polymerization-induced phase separation in a polymer dispersed liquid crystal polymer[J].Polymer,2001,42:9173-9185.
[15]YIN Y,LI W,CAO H,et al.Effects of monomer structure on the morphology of polymer network and the electro-optical property of reverse-mode polymer-stabilized cholesteric texture[J].Journal of Applied Polymer Science,2009,111(3):1353-1357.
[16]LIANG H,WANG P,WU C,et al.Polymer network morphology and electro-optical properties of electrothermal switchable bistable polymer-stabilized cholesteric texture light shutters with various chiral dopant concentrations[J].Molecular Crystals and Liquid Crystals,2012,552(1):111-122.
[17]LIANG H H,WU C C,WANG P H,et al.Electro-thermal switchable bistable reverse mode polymer stabilized cholesteric texture light shutter[J].Optical Materials,2011,33(8):1195-1202.
[18]彭海炎,史小靖,廖永贵,等.不同醇对聚合物分散液晶光聚合动力学及其电光特性的影响[J].高分子学报,2012,12(1):41-46.PENG H Y,SHI X J,LIAO Y G,et al.Effects of different alcohols on photopolymerization kinetics,electro-optical performances of polymer dispersed liquid crystals[J].Acta Polymerica Sinica,2012,12(1):41-46.
[19]张凯,杜鑫,李儒,等.表面活性剂对聚合物分散液晶光电性能的影响[J].液晶与显示,2010,25(1):49-52.ZHANG K,DU X,LI R,et al.Effect of surfactant on electro-optical property of polymer dispersed liquid crystal[J].Chinese Journal of Liquid Crystals&Displays,2010,25(1):49-52.
[20]高峰,钱俊,刘慧慧,等.阻聚剂对聚合物分散液晶电光性能的影响[J].液晶与显示,2013,28(4):495-500.GAO F,QIAN J,LIU H H,et al.Effect of polymerization inhibitor on electro-optical properties of polymer dispersed liquid crystal films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(4):495-500.
[21]兰天,杨文杰,彭娟,等.紫外光固化时间对RAFT法制备的聚合物分散液晶膜电光性能及微观形貌的影响[J].高分子材料科学与工程,2014,30(5):52-56.LAN T,YANG W J,PENG J,et al.Effect of UV curing time on electro-optical properties and micro-morphology of RAFT dependent polymer dispersed liquid crystal[J].Polymeric Materials Science&Engineering,2014,30(5):52-56.
[22]王宇.纳米掺杂对聚合物分散液晶光电性能影响的研究[D].长春:吉林大学,2013.
[23]马利鹏,谢川,马丽露丝,等.液晶含量和引发剂含量对聚氨酯丙烯酸酯基聚合物分散液晶微观形貌和电光性能的影响[J].液晶与显示,2013,28(6):828-832.MA L P,XIE C,MA L L S,et al.Influence of liquid crystal contents and concentrations of initiator on morphology and electro-optical property of polyurethane acrylate PDLC films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(6):828-832.
[24]刘芳,曹晖,计鹏飞,等.聚氨酯基聚合物分散液晶的制备及电光性能研究[J].液晶与显示,2013,28(1):1-6.LIU F,CAO H,JI P F,et al.Preparation and electro-optical properties of polyurethane matrix based polymer dispersed liquid crystal films[J].Chinese Journal of Liquid Crystals&Displays,2013,28(1):1-6.
[25]牛红林,华懿魁,史高飞,等.聚合电场频率对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2012,27(1):21-25.NIU H L,HUA Y K,SHI G F,et al.Effects of curing electric field frequency on electro-optic property of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2012,27(1):21-25.
[26]张姗娜,张俊,陆红波.不同单体配比对聚合物网络及聚合物稳定胆甾相液晶器件光电性能的影响[J].液晶与显示,2014,29(4):504-507.ZHANG S N,ZHANG J,LU H B.Influence of different monomer ratio on polymer network and photoelectric performance of polymer stabilized cholesteric liquid crystal[J].Chinese Journal of Liquid Crystals&Displays,2014,29(4):504-507.
[27]张俊,宋志刚,熊贤风,等.聚合网络的锚定作用对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2013,28(5):674-678.ZHANG J,SONG Z G,XIONG X F.Influence of anchoring effect of polymer network on electro-optic property of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2013,28(5):674-678.
[28]宣丽.单体浓度对聚合物稳定铁电液晶稳定性的影响[J].光子学报,2008,37(8):1529-1532.XUAN L.Effect of the monomer concentration on the stability of polymer-stabilized ferroelectric liquid crystal[J].Acta Photonica Sinica,2008,37(8):1529-1532.
[29]宋志刚,张俊,胡金良,等.聚合电场波形对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2014,29(3):339-344.SONG Z G,ZHANG J,HU J L,et al.Effect of curing electric field waveform on electro-optic properties of polymer-stabilized cholesteric texture[J].Chinese Journal of Liquid Crystals&Displays,2014,29(3):339-344.
[30]范华乐,任凤梅,白仁斗,等.单体BAB6和手性剂含量对聚合物网络稳定液晶电光性能的影响[J].高分子材料科学与工程,2012,28(3):88-91.FAN H Y,REN F M,BAI R D,et al.The influence of monomer BAB6 and chiral dopant contents on the electrooptical properties of polymer network-stabilized liquid crystal films[J].Polymeric Materials Science&Engineering,2012,28(3):88-91.