Chitosan에 대한 아크릴로니트릴의 광개시 그라프트 공중합

김완영; 김종배; 육경창; 박선이

Journal of the Korean Industrial and Engineering Chemistry, Vol.3, No.1, 172-178, March, 1992

Export Citation

Chitosan에 대한 아크릴로니트릴의 광개시 그라프트 공중합

Photo-Induced Graft Copolymerization of Acrylonitrile onto Chitosan

김완영, 김종배, 육경창, 박선이

초록

F³⁺(FeC1₃·6H₂O)을 광증감제로 하여 Chitosan 필름에 아크릴로니트릴 단량체를 수용액상에서 자외선 조사하여 그라프트 공중합시켰다. 그라프트 공중합체의 확인은 IR 스펙트럼과 전자 현미경으로 행하였다. 단량체의 농도, 광증감제의 농도, 중합반응시간, 중합반응온도 등 여러 중합반응의 파라미터를 조사하였다. 단량체의 농도와 광증감제의 농도가 증가할수록 퍼센트 그라프팅은 증가하였으며 중합반응시간과 중합반응 온도가 증가하여도 퍼센트 그라프팅은 증가하였다.

The graft copolymerization of acrylonitrile(AN) onto chitosan film by using Fe³⁺(FeCl₃·6H₂O) as a photosensitizer in an aqueous medium was carried out under ultraviolet(UV) irradiation. The grafted copolymer was identified by using IR spectroscopy and scanning electron microscope. The effects of various polymerization parameters involving monomer concentration, photosensitizer concentration, polymerization time and polymerization temperature were investigated. As monomer concentration and photosensitizer concentration were increased, the percent grafting was increased up to limiting value. And also the percent grafting was found to increase by increasing the polymerization time and temperature.

[References]

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Kubota H, Ogiwara Y, J. Appl. Polym. Sci., 14, 2611 (1970)

[1] Muzzarelli RAA, "Chitin," Pergamon, Oxford (1977)

[2] Ceresa RJ, "Block and Graft Copolymerization," Vol. 1, John Wiley and Sons, New York (1973)

[3] Kubota H, Ogiwara Y, J. Appl. Polym. Sci., 16, 337 (1972)

[4] Seiber RP, Kubota H, J. Appl. Polym. Sci., 19, 2187 (1975)

[5] Needles HL, Alger KW, J. Appl. Polym. Sci., 19, 2207 (1975)

[6] Ogiwara Y, Kanda M, Takumi M, Kubota H, J. Polym. Sci. C: Polym. Lett., 19, 457 (1981)

[7] Kubota K, Yoshino N, Ogiwara Y, J. Polym. Sci. C: Polym. Lett., 21, 367 (1983)

[8] Ogiwara Y, Kubota H, J. Polym. Sci. C: Polym. Lett., 23, 15 (1985)

[9] Kubota H, Ogiwara Y, Hinohara S, J. Appl. Polym. Sci., 33, 3045 (1987)

[10] Uri H, Chem. Rev., 50, 357 (1952)

[11] Dainton FS, James DGL, Trans. Faraday Soc., 54, 649 (1958)

[12] Dainton FS, James DGL, J. Polym. Sci., 39, 299 (1959)

[13] Dainton FS, Sisley WD, Trans. Faraday Soc., 59, 1377 (1963)

[14] Nishijima Y, Yamamoto M, Kogyo Kagaku Zasshi, 72, 31 (1969)

[15] Ogiwara Y, Kubota H, J. Polym. Sci. A: Polym. Chem., 6, 3119 (1968)

[16] Ogiwara Y, Kubota H, J. Polym. Sci. A: Polym. Chem., 7, 2087 (1969)

[17] Kubota H, Ogiwara Y, J. Appl. Polym. Sci., 14, 2611 (1970)