[1] 宋波,卓林蓉,温银堂,等. 4D打印技术的现状与未来[J]. 电加工与模具,2018(6):1-7. SONG Bo,ZHUO Linrong,WEN Yintang,et al. The status and future of 4D printing technology[J]. Electromachining & Mould,2018(6):1-7. [2] SABINA W U,NICHOLAS A T,ROSS H V,et al. Liquid crystal elastomers:An introduction and review of emerging technologies[J]. Liquid Crystals Reviews,2018,6(1):78-107. [3] SHAHSAVAN H,LI Y,JAKLI A,et al. Smart biomimetic micro/nanostructures based on liquid crystal elastomers and networks[J]. Soft Matter,2017,13(44):8006-8022. [4] KULARATNE R S,KIM H,BOOTHBY J M,et al. Liquid crystal elastomer actuators:Synthesis,alignment,and applications[J]. Journal of Polymer Science Part B:Polymer Physics,2017,55(5):395-411. [5] WHITE T J,BROER D J. Programmable and adaptive mechanics with liquid crystal polymer networks and elastomers[J]. Nature Material,2015,14(11):1087-1098. [6] BROMMEL F,KRAMER D,FINKELMANN H. Preparation of Liquid Crystalline Elastomers. Advanced Polymer Science,2012,250:1-48. [7] DEY S,AGRA-KOOIJMAN D,REN W,et al. Soft Elasticity in Main Chain Liquid Crystal Elastomers[J]. Crystals,2013,3(2),363-390. [8] FINKELMANN H,KIM S T,MUÑOZ A,et al. Tunable mirrorless lasing in cholesteric liquid crystalline elastomers[J]. Advanced Materials,2001,13(14):1069-1072. [9] VAN OOSTEN C L,BASTIAANSEN C W M,BROER D J. Printed artificial cilia from liquid-crystal network actuators modularly driven by light[J]. Nature Materials,2009,8(8):677-682. [10] FLEISCHMANN E K,OHM C,SERRA C,et al. Preparation of soft microactuators in a continuous flow synthesis using a liquid-crystalline polymer crosslinker[J]. Macromolecular Chemistry and Physics,2012,213(18):1871-1878. [11] PALAGI S,MARK A G,REIGH S Y,et al. Structured light enables biomimetic swimming and versatile locomotion of photoresponsive soft microrobots[J]. Nature Materials,2016,15(6):647-653. [12] ROGÓŻ M,ZENG H,XUAN C,et al. Light-driven soft robot mimics caterpillar locomotion in natural scale[J]. Advanced Optical Materials,2016,4(11):1689-1694. [13] DESIMONE A,GIDONI P,NOSELLI G. Liquid crystal elastomer strips as soft crawlers[J]. Journal of the Mechanics and Physics of Solids,2015,84() 254-272. [14] ZAREK M,MANSOUR N,SHAPIRA S,et al. 4D printing of shape memory-based personalized endoluminal medical devices[J]. Macromolecular Rapid Communications,2017,38(2),1600628. [15] MORRISON R J,HOLLISTER S J,NIEDNER M F,et al. Mitigation of tracheobronchomalacia with 3D-printed personalized medical devices in pediatric patients[J]. Science Translational Medicine,2015,7(285):285ra264. [16] VILLAR G,GRAHAM A D,BAYLEY H. A Tissue-Like Printed Material[J]. Science,2013,340(6128):48-52. [17] WARE T H,MCCONNEY M E,WIE J J,et al. Voxelated liquid crystal elastomers[J]. Science,2015,347(6225):982-984. [18] WARE T H,WHITE T J. Programmed liquid crystal elastomers with tunable actuation strain[J]. Polymer Chemistry,2015,6(26):4835-4844. [19] KOMP A,RÜHE J,FINKELMANN H. A versatile preparation route for thin free-standing liquid single crystal elastomers[J]. Macromolecular Rapid Communications,2005,26(10):813-818. [20] SÁNCHEZ-FERRER A,FISCHL T,STUBENRAUCH M,et al. Photo-crosslinked side-chain liquid-crystalline elastomers for microsystems[J]. Macromolecular Chemistry and Physics,2009,210(20):1671-1677. [21] LEGGE C H,DAVIS F J,MITCHELL G R. Memory effects in liquid crystal elastomers[J]. Journal De Physique II,1991,1(10):1253-1261. [22] LI M H,KELLER P,YANG J,et al. An artificial muscle with lamellar structure based on a nematic triblock copolymer[J]. Advanced Materials,2004,16(21):1922-1925. [23] KOMP A,FINKELMANN H. A new type of macroscopically oriented smectic-a liquid crystal elastomer[J]. Macromolecular Rapid Communications,2007,28(1):55-62. [24] YAKACKI C M,SAED M,NAIR D P,et al. Tailorable and programmable liquid-crystalline elastomers using a two-stage thiol-acrylate reaction[J]. RSC Advances,2015,5(25):18997-19001. [25] KÜPFER J,FINKELMANN H. Nematic liquid single crystal elastomers[J]. Die Makromolekulare Chemie Rapid Communications,1991,12(12):717-726. [26] CAMACHO-LOPEZ M,FINKELMANN H,PALFFY-MUHORAY P,et al. Fast liquid-crystal elastomer swims into the dark[J]. Nature Materials,2004,3(5):307-310. [27] YUAN C,ROACH D J,DUNN C K,et al. 3D printed reversible shape changing soft actuators assisted by liquid crystal elastomers[J]. Soft Matter,2017,13(33):5558-5568. [28] DE HAAN L T,SÁNCHEZ-SOMOLINOS C,BASTIAANSEN C M W,et al. Engineering of complex order and the macroscopic deformation of liquid crystal polymer networks[J]. Angewandte Chemie-International Edition,2012,51(50):12469-12472. [29] DE HAAN L T,GIMENEZ-PINTO V,KONYA A,et al. Accordion-like actuators of multiple 3D patterned liquid crystal polymer films[J]. Advanced Functional Materials,2014,24(9):1251-1258. [30] AMBULO C P,BURROUGHS J J,BOOTHBY J M,et al. Four-dimensional printing of liquid crystal elastomers[J]. ACS Applied Materials and Interfaces,2017,9(42):37332-37339. [31] LOPEZ-VALDEOLIVAS M,LIU D,BROER D J,et al. 4D printed actuators with soft-robotic functions[J]. Macromolecular Rapid Communications,2018,39(5):1700710. [32] KOTIKIAN A,TRUBY R L,BOLEY J W,et al. 3D printing of liquid crystal elastomeric actuators with spatially programed nematic order[J]. Advanced Materials,2018,30(10):5558-5568. [33] GANTENBEIN S,MASANIA K,WOIGK W,et al. Three-dimensional printing of hierarchical liquid-crystal- polymer structures[J]. Nature,2018,561(7722):226-230. [34] DEUTSCH M. Orientational order determination in liquid crystals by x-ray diffraction[J]. Physical Review A,1991,44(12):8264-8270. |