Cholesteric liquid-crystalline thermosets derived from side-chain liquid-crystalline epoxy oligomers

High Performance Polymers

Volumn 21, Issue 1, 2009, Pages 64-78

  Meng, Fan Bao ^a   Lian, Jiao ^a   Chen, Hai Bin ^a   Gao, Yong Mei ^a   Zhang, Bao Yan ^a  

^a NORTHEASTERN UNIVERSITY   (China)

Author keywords

Chiral; Crosslinking; Liquid crystalline polymers (LCPs); Thermosets

Indexed keywords

BEARINGS (STRUCTURAL); CROSSLINKING; CRYSTALLINE MATERIALS; CRYSTALS; CURING; ETHERS; LIGHT; LIGHT REFLECTION; LIQUIDS; MONOMERS; OLIGOMERS; OPTICAL ROTATION; ORGANIC COMPOUNDS; POLYMERS; REFLECTION; THERMOSETS; X RAY DIFFRACTION ANALYSIS;

ALLYL GLYCIDYL ETHERS; CHEMICAL STRUCTURES; CHIRAL; CHIRAL GROUPS; CHIRAL LC; CHOLESTERIC PHASIS; CROSS-LINKING REACTIONS; CURING CONDITIONS; DIAMINODIPHENYLMETHANE; EPOXY MONOMERS; EXPERIMENTAL TECHNIQUES; GLYCIDYL ETHERS; HELICAL PITCHES; HIGH THERMAL STABILITIES; LIQUID-CRYSTALLINE; LIQUID-CRYSTALLINE EPOXIES; LIQUID-CRYSTALLINE POLYMERS (LCPS); MESOMORPHIC PHASE; MESOPHASE; MONOMER BEARINGS; PEAK INTENSITIES; POLYMER NETWORKS; ROOM TEMPERATURES; SHORT WAVELENGTHS; SIDE CHAINS; TEMPERATURE DEPENDENCES; TEMPERATURE RANGES; THERMAL BEHAVIORS; WIDE ANGLES;

LIQUID CRYSTAL POLYMERS;

EID: 61849137751     PISSN: 09540083     EISSN: 13616412     Source Type: Journal    
DOI: 10.1177/0954008307086682     Document Type: Article

References (35)

1. Shiota, A. and Ober, C.K. (1997). Rigid Rod and Liquid Crystalline Thermosets. Prog. Polym. Sci., 22: 975-1000.
2. Choi, E.J., Ahn, H.K., Lee, J.K. and Jin, J. (2000). Liquid Crystalline Twin Epoxy Monomers Based on Azomethine Mesogen: Synthesis and Curing with Aromatic Diamines. Polymer, 41: 7617-7625.
3. Lee, J.Y. and Jang, J.S. (2006). The Effect of Mesogenic Length on The Curing Behavior and Properties of Liquid Crystalline Epoxy Resins. Polymer, 47: 3036-3042.
4. Carfagna, C., Amendola, E. and Giamberini, M. (1997). Liquid Crystalline Epoxy Based Thermosetting Polymers. Prog. Poiym. Sci., 22: 1607-1647.
5. Mormann, W. and Brocher, M. (1998). Liquid Crystalline Thermosets (LCT) from Diaromatic Mesogenic Diepoxides and Aromatic Diamines: Synthesis and Phase Behaviour of Model Compounds and Intermediate Structures. Polymer, 39: 6597-6603.
6. Lin, C.L. and Chien, L.C. (1995). Liquid-Crystalline Epoxies Dispersed Liquid-Crystals. Macromol. Rapid. Commun., 16: 869-874.
7. Pfeuffer, T., Kurschner, K. and Strohriegl, P. (1999). Novel Nematic Bis-1,5-Hexadiene Monomers: Synthesis and Photopolymerization to Cholesteric Polymer Networks. Macromol. Chem. Phys., 200: 2480-2486.
8. Broer, D.J., Lub, J. and Mol, G.N. (1995). Wide-Band Reflective Polarizers from Cholesteric Polymer Networks with a Pitch Gradient. Nature, 378: 467-469.
9. Sapich, B., Stumpe, J. and Kricheldorf, H.R. (1998). New Polymer Syntheses. 95. Photosetting Cholesteric Polyesters Derived from 4-Hydroxycinnamic Acid and Isosorbide. Macromolecules, 31: 1016-1023.
10. Bunning, T.J. and Kreuzer, F.H. (1995). Cyclosiloxane-Based Liquid-Crystalline Materials. Trends. Polym. Sci., 3: 318-323.
11. Meng, F.B., Zhang, B.Y., Li, Q.Y. and Qi, J. (2005). Cholesteric Liquid-Crystalline Elastomers Prepared from Ionic Bis-Olefinic Crosslinking Units. Polym. J., 37: 277-283.
12. Espinosa, M.A., Cadiz, V. and Galia, M. (2001). New Cholesteric Liquid-Crystal Epoxy Resins Derived from 6-Hydroxy-2-Naphthoic Acid. J. Polym. Sci. Part A: Polym. Chem., 39: 2847-2858.
13. Castell, P., Serra, A. and Galia, M. (2004). Liquid-Crystalline Thermosets from Liquid-Crystalline Epoxy Resins Containing Bisazomethinebiphenylene the Central Core: Copolymerization with a Nonmesomorphic Epoxy Resin. J. Polym. Sci. Part A: Polym. Chem., 42: 3631-3643.
14. Ribera, D., Mantecon, A. and Serra, A. (2002). Liquid-Crystalline Thermosets from Mesogenic Dimeric Epoxy Resins by Tertiary Amine Catalysis. J. Polym. Sci. Part A: Polym. Chem., 40: 3916-3926.
15. Ribera, D., Serra, A. and Mantecon, A. (2003). New Dimeric LC-Epoxyimine Monomers with Oxyethylene Central Spacers, Crosslinking Study. Polymer, 44: 2621-2629.
16. Ribera, D., Serra, A. and Mantecon, A. (2003). Liquid-Crystal Line Thermosets by the Curing of Dimeric Liquid-Crystal Line Epoxyimine Monomers with 2,4-Toluene Diisocyanate. J. Polym. Sci. Part A: Polym. Chem., 41: 2521-2530.
17. Mihara, T., Nishimiya, Y. and Koide, N. (1998). Synthesis and Thermal Properties of Combined Liquid Crystalline Epoxy Resins. J. Appl. Polym. Sci., 68: 1979-1990.
18. Szczepaniak, B., Frisch, K.C., Penczek, P., Rejdych, J. and Winiarska, A. (1997). Curing of Liquid Crystalline Epoxy Resins with a Biguanide. J. Polym. Sci. A: Polym. Chem., 35: 2739-2745.
19. Szczepaniak, B., Penczek, P., Warchalowska, M., Rejdych, J., Leszczynska, I. and Rudnik, E. (1998). Liquid Crystalline Epoxy Resins by Polyaddition of Diglycidyl Ether of 4,4-Dihydroxybiphenyl and Difunctional Aromatic Compounds. J. Polym. Sci. A: Polym. Chem., 36: 21-29.
20. Mallon, J.J. and Adams, P.M. (1993). Synthesis and Characterization of Novel Epoxy Monomers and Liquid Crystal Thermosets. J. Polym. Sci. A: Polym. Chem., 31: 2249-2260.
21. Castell, P., Galia, M. and Serra, A. (2001). Synthesis of New Epoxy Liquid-Crystalline Monomers with Azo Groups in the Central Mesogenic Core. Crosslinking with Amines. Macromol. Chem. Phys., 202: 1649-1657.
22. Ribera, D., Serra, A. and Mantecon, A. (2003). Liquid- CrystallineThermosets by the Curing of Dimeric Liquid-Crystalline Epoxyimine Monomers with 2,4-Toluene Diisocyanate. J. Polym. Sci. Part A: Polym. Chem., 41: 2521-2530.
23. Carfagna, C., Amendola, E. and Giamberini, M. (1994). Liquid-Crystalline Epoxy Resins: a Glycidyl-Terminated Benzaldehyde Azine Cured in the Nematic Phase. Macromol. Chem. Phys. 195: 279-287.
24. Castell, P., Serra, A. and Galia, M. (2004). Liquid-CrystallineThermosets from Liquid-Crystalline Epoxy Resins Containing Bisazomethinebiphenylene Mesogens in the Central Core: Copolymerization with a Nonmesomorphic Epoxy Resin. J. Polym. Sci. Part A: Polym. Chem., 42: 3631-3643.
25. Carfagna, C., Amendola, E. and Giamberini, M. (1994). Liquid crystalline epoxy resins containing bi-naphthyl group as rigid block with enhanced thermal stability. Macromol. Chem. Phys. 195: 2307-2315.
26. Ribera, D., Serra, A. and Mantecon, A. (2003). Dimeric Liquid-Crystal Line Epoxyimine Monomers: Influence of Dipolar Moments on Mesomorphic Behavior and the Formation of Liquid-Crystalline Thermosets. J. Polym. Sci. Part A: Polym. Chem., 41: 1465-1477.
27. Meng, F.B., Zhang, B.Y., Liu, L.M. and Zang, B.L. (2003). Liquid-Crystalline Elastomers Produced by Chemical Crosslinking Agents Containing Sulfonic Acid Groups. Polymer, 44: 3935-2943.
28. Hu, J.S., Zhang, B.Y., Guan, Y. and He, X.Z. (2004). Side-Chain Cholesteric Liquid-Crystalline Elastomers Derived from Smectic Crosslinking Units: Synthesis and Phase Behavior. J. Polym. Sci. Part A: Polym. Chem., 42: 5262-5270.
29. Meng, F.B., Zhang, B.Y., Zhou, A.J. and Li, X.Z. (2007). Effect of Mesogenic Crosslinking Units on the Mesomorphic Phases of Cholesteric Liquid Crystalline Polymers. J. Appl. Polym. Sci., 104: 1161-1168.
30. Dierking, I. (2003). Textures of liquid crystals. WILEY-VCH GmbH & Co. KgaA, Weinheim, pp 57-59.
31. Hu, J.S., Zhang, B.Y., Jia, Y.G. and Chen, S. (2003). Side-chain Cholesteric Liquid Crystalline Elastomers Derived from a Mesogenic Cross-linking Agent. Macromolecules, 36: 9060-9066.
32. Davidson, P. (1996). X-ray Diffraction by Liquid Crystalline Side-Chain Polymers. Prog. Polym. Sci. 21: 893-950.
33. Lub, J., Broer, D.J., Hikmet, R.A.M. and Nierop, K. G.. J. (1995). Synthesis And Photopolymerization Of Cholesteric Liquid-Crystalline Diacrylates. Liq. Cryst. 18: 319-326.
34. Stohr, A. and Strohriegl, P. (1997). Polymer Networks Containing Cholesteryl Compounds of Different Functionality. J. Macromol. Sci. A 34: 1125-1141.
35. Stohr, A. and Strohriegl, P. (1998). Networks with a Cholesteric Structure from Acrylate-Vinyl Ether Hybrid Monomers. Macromol. Chem. Phys., 199: 751-756.