Studies on lyotropic liquid-crystalline N-alkyl chitosans in formic acid

Macromolecular Bioscience

Volumn 2, Issue 3, 2002, Pages 131-134

  Wu, Yusong ^a   Dong, Yanming ^a   Chen, Ling ^a   Huang, Jianying ^a   Li, Jun ^a  

^a XIAMEN UNIVERSITY   (China)

Author keywords

Biopolymers; Chitosan; Critical concentration; Degree of substitution; Liquid crystalline polymers (LCP); Lyotropic

Indexed keywords

CARBOXYLIC ACIDS; MICROSCOPIC EXAMINATION; SUBSTITUTION REACTIONS; SYNTHESIS (CHEMICAL); X RAY DIFFRACTION ANALYSIS;

CHITOSANS; CRITICAL CONCENTRATION; DEGREE OF SUBSTITUTION; LYOTROPICS;

BIOPOLYMERS;

CHITOSAN DERIVATIVE; FORMIC ACID; N BUTYLCHITOSAN; N ETHYLCHITOSAN; N METHYLCHITOSAN; N PROPYLCHITOSAN; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL STRUCTURE; LIQUID CRYSTAL; MICROSCOPY; REFRACTOMETRY; SUBSTITUTION REACTION; X RAY DIFFRACTION;

EID: 0037832419     PISSN: 16165187     EISSN: 16165195     Source Type: Journal    
DOI: 10.1002/1616-5195(20020401)2:3<131::AID-MABI131>3.0.CO;2-O     Document Type: Article

References (36)

1. R. A. A. Muzzaralli, "Chitin", Pergamon Press, Oxford 1977, p. 87.
2. K. Kaifu, N. Nishi, T. Komai, S. Tokura, O. Somorin Polym. J. 1981, 13, 241.
3. S. Miyata, S. Tasaka, Y. Masuda, M. Ko, Kunio, Polym. J. 1983, 15, 553-3.
4. S. Grant, H. S. Bair, G. Mckay, Makromol. Chem. 1989, 190, 2279.
5. S. Nishimura, O. Kohgo, K. Kurita, Chem. Lett. 1990, 243.
6. S. Nishimura, O. Kohgo, K. Kurita, H. Kuzuhara. Macromolecules 1991, 24, 4745.
7. S. S. Kim, S. J. Kim, Y. D. Moon, Polymer 1994, 35, 3212.
8. S. Tokura, N. Nishi, S. Nishimura. Y. Ikeuchi, Polym. J. 1983, 15, 553.
9. I. Uematsu, Y. Uematsu, Adv. Polym. Sci. 1984, 59, 37.
10. J. D. Bernal, I. J. Fankuchen, Gen. Physiol. 1941, 25, 111.
11. Y. M. Yevdokimv, S. G. Skuridin, V. L. Salyanov, Liq. Cryst. 1988, 3, 1443.
12. C. Robinson, Tetrahedron 1961, 13, 219.
13. Spencer, W. Fuller, M. H. F. Wilkins, G. L. Brown, Nature 1962, 194, 1014.
14. E. Iizuka, Polym. J. 1977, 9, 173.
15. R. S. Werbowyj, D. G. Gray, Mol. Cryst. Liq. Cryst. Lett. 1976, 34, 97.
16. M. Panar, O. B. Willcox, German Patent Disclosure. 1977, 2,705,382; Chem. Abstr. 1977, 153310x.
17. D. G. Gray, Appl. Polym. Symp. 1983, 37, 179.
18. K. Ogura, T. Kanamoto, T. Sannan. K. Tanaka, Y. Iwakura, Chitin Chitosan Proceeding Int. Conf., 2nd 1982, 39.
19. M. Terbojevich, A. Cosani, G. Conio, E. Marsano, E. Bianchi, Carbohydr. Res. 1991, 209, 251.
20. D. K. Rout, S. K. Pulapura, R. A. Gross, Macromolecules 1993, 26, 5999.
21. D. K. Rout, S. K. Pulapura, R. A. Gross, Macromolecules 1993, 26, 6007.
22. D. K. Rout, S. P. Barman, S. K. Pulapura, R. A. Gross, Macromolecules 1994, 27, 2945.
23. K. Sakurai, M. Miyata, T. Takahashi, Sen-I Gakkaishi, 1990, 46, 79;
24. Chem. Abstr. 1990, 80369s.
25. Y. Dong, Q. Yuan, Y. Wu, M. Wang, J. Appl Polym. Sci. 2000, 76, 2057.
26. Y. Dong, Y. Wu, J. Wang, M. Wang, Eur. Polym. J. 2001, 37, 1713.
27. A. A. M. Riccardo, F. Tanfani, M. Emanuelli, S. Mariotti, J. Membr. Sci. 1983, 16, 295.
28. C. H. Kim, J. W. Choi, H. J. Chun, K. S. Choi, Polym. Bull. 1997, 38, 387.
29. H. Shigehiro, U. Akinhirro, Z. Min, Carbohydr. Res. 1994, 256, 331.
30. D. G. Gray, J. Appl. Polym. Sci., Appl. Polym. Symp. 1983, 37, 179.
31. J. Bheda, J. F. Fellers, J. L. White, Colloid Polym. Sci. 1980, 258, 1335.
32. P. Navard, J. M. Haudin, S. Dayan, P. Sixou, J. Polym. Sci., Polym. Lett. Ed. 1981, 19, 379.
33. S. Dayan, F. Fried, J. M. Gilli, P. Sixou, J. Appl. Polym. Sci., Appl. Polym. Symp. 1983, 37, 193.
34. K. Araki, Y. Iida, Y. Imamura, Makromol. Chem., Rapid Commun. 1984, 5, 99.
35. S. Shinichi, I. Hirotada, K. Mikio, J. Polym. Sci., Polym. Phys. 1986, 24, 1515.
36. P. J. Flory, Proc. R. Soc. London Ser. A 1956, 234, 73.