Thermotropic polyesters (part 3): Synthesis, characterization and thermal transition of random copolyesters containing terephthalate and isophthalate units

Iranian Polymer Journal (English Edition)

Volumn 13, Issue 4, 2004, Pages 327-334

  Bagheri, Massoumeh ^a   Didehban, Khadije ^a   Entezami, Ali Akbar ^b  

^a AZARBAIJAN SHAHID MADANI UNIVERSITY   (Iran)

^b UNIVERSITY OF TABRIZ   (Iran)

Author keywords

DSC; Isophthalate; Optical texture; Terephthalate; Thermotropic copolyesters

Indexed keywords

ISOPHTHALATES; OPTICAL TEXTURES; TEREPHTHALATES; THERMOTROPIC COPOLYESTERS;

COPOLYMERS; DIFFERENTIAL SCANNING CALORIMETRY; MELTING; MONOMERS; POLYCRYSTALLINE MATERIALS; POLYESTERS; SOLUBILITY; TEXTURES;

THERMOTROPIC LIQUID CRYSTALS;

EID: 4444264432     PISSN: 10261265     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Han H. and Bhowmick P.K., Wholly aromatic liquid-crystalline polyesters, Prog. Polym. Sci., 22, 1431-1502 (1997).
2. Grasser W., Schmidt H.-W., and Giesa R., Thermotropic liquid crystalline copolyesters with non-coplanar biphenylene units tailored-for blend fiber processing with PET, Polymer, 42, 8529-8540 (2001).
3. Marugan M.M., Perez E., Benavente R., Bello A., and Perena J.M., Solubility parameters of thermotropic polybibenzoates with various spacers, Eur. Polym. J., 28, 1159-1163 (1992).
4. Watanabe J., Hayashi M., Morita A., and Tokito M., Thermotropic liquid crystals of main-chain polyesters having a mesogenic 4,4′- biphenyldicarboxylate unit, Macromolecules, 28, 8073-8079 (1995).
5. Acierno D., Fresa R., Iannelli P., and Vacca P., Segmented liquid-crystalline polyesters with allyl groups as lateral substituents: Synthesis and characterization., Polymer, 41, 4179-4187 (2000).
6. Desrosiers N., Bergeron J.-Y., Belletete M., Durocher G., and Leclerc M., Synthesis and characterization of novel aromatic polyesters derived from thiophenes, Polymer, 37, 675-680 (1996).
7. Lin L.L. and Hong J.L., Semi-rigid thermotropic polyester containing a rigid, bent spirobicromane moieties-primary characterization and the thermal behavior, Polymer, 41, 4501-4512 (2000).
8. Bagheri M., Didehban Kh., Rezvani Z., and Entezami A., Thermotropic polyesters: Part 1. Synthesis, characterization and thermal transition of poly [4,4′-bis(ω-alkoxy) biphenyl isophthalate], Eur. Polym. J. 40, 865-871 (2004).
9. Cai R. and Samulski E.T., Liquid crystalline aromatic polyesters containing isophthalic acid, Macromolecules, 27, 135-140 (1994).
10. Watanabe J., Hayashi M., Nakata N., Niori T., and Tokita M. Smectic liquid crystals in main-chain polymers, Prog. Polym. Sci., 22, 1053-1087 (1997).
11. Bagheri M., Didehban Kh., and Entezami A. Thermotropic polyesters: Part 2. Synthesis, characterization and thermal transition of random copolyesters containing 4,4′-bis(ω-alkoxy) biphenyl isophthalate units, Eur. Polym. J. (Submitted).
12. Skovby M.H.B., Heilman C.A., and Kops J. In: Liquid crystalline polymers, Weiss R.A., and Ober C.K. Eds.; ACS Symp. Series 435, Am. Chem. Soc., Washington, DC, 46 (1990).
13. Fischer H., Karasz F.E., and MacKnight W.J., Structure in mesogenic diol-containing polyester, Polym. Int., 31, 291-296 (1993).
14. Khan N. and Bashir Z. A monotropic liquid crystal polyester with a biphasic nematic-smectic phase, J. Polym. Sci.: Polym. Phys., 34, 2077-2084 (1996).
15. Khan N., Patel, V.L., Bashir Z., and Price M., Phase transition in two polyesters containing a smectic diol, Polym. Sci.: Polym. Phys., 33, 1957-1967 (1995).
16. Ando M. and Uryu T., Synthesis of polymer materials by energy electron beam. XIII. Structure and properties of EB-cured polymers of bifunctional monomer with biphenyl moiety as mesogenic group, J. Polym. Sci.:Polym. Chem. Ed. 28, 2575-2580 (1990).