아니퍼터 함유 마크로머를 이용한 그라프트 공중합체의 합성

김세중; 조창기

Polymer(Korea), Vol.21, No.6, 947-954, November, 1997

Export Citation

아니퍼터 함유 마크로머를 이용한 그라프트 공중합체의 합성

Synthesis of Graft Copolymers by Iniferter Containing Maromer

김세중, 조창기

초록

Dithiocarbamate기가 그라프트되어 있는 macromer를 vinylbenzyl dithlocarbamate (VBDC)의 합성절차를 거치지 않고 one pot synthetic method를 이용하여 손쉽게 합성하였다. Styrene, methyl methacrylate (MMA), ethyl acrylate (EA), butyl acrylate (BA)들은 각각 공단량체인 chloromethylstyrene (CMS)과 함께 AIBN 개시제 존재하에서 공중합되었으며, 얻어진 공중합체의 chloride 그룹은 sodlum diethyldithlocarbamate와 반웅되어 dithiocarbamate 그룹으로 치환되었다. 분석결과 폴리스티렌 공중합체는 물론 아크릴레이트 공중합체의 경우에도 치환율은 정량적임을 알 수 있었다. 얻어진 macromer들 중 폴리스티렌 및 PMMA macromer는 다른 제2의 단량체들의 존재 하에서 광중합되어 각각 그라프트 공중합물로 전환되었으며, 이들의 중합거동은 문헌과 같은 거동을 보이논 것이 관찰되었다.

Dithiocarbamate containing macromers were easily prepared without the use of vinylbenzyl dithiocarbamate (VBDC). A monomer such as styrene, methyl methacrylate (MMA), ethyl acrylate (EA), or butyl acrylate (BA) was copolymerized with chloromethylstyrene(CMS) by AIBN initiation, and the chloride group in the obtained polymer was converted into dithiocarbamate group. NMR analysis showed that conversion to dithiocarbamate group was quantitative for acrylate copolymer as well as polystyrene copolymer. Graft copolymerization of the obtained macromer such as polystyrene macromer and PMMA macromer yielded graft copolymers, and expected polymerization behavior was observed.

Keywords:iniferter;macromer;dithiocarbamate;graft copolymer

[References]

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Otsu T, Yoshida M, Kuriyama A, Polym. Bull., 7, 45 (1982)
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[1] Otsu T, Yoshida M, Macromol. Chem. Rapid Commun., 3, 127 (1982)

[2] Otsu T, Yoshida M, Kuriyama A, Polym. Bull., 7, 45 (1982)

[3] Otsu T, Kuriyama A, Polym. Bull., 11, 135 (1984)

[4] Otsu T, Macromolecules, 19, 287 (1986)

[5] Haque SA, J. Macromol. Sci.-Pure Appl. Chem., A31(7), 827 (1994)

[6] ReghunadhanNair CP, Clouet G, J. Macromol. Sci.-Rev. Macromol. Chem. Phys., C31(2-3), 311 (1991)

[7] Otsu T, Matsunaga T, Doi T, Matsumoto A, Eur. Polym. J., 31, 67 (1995)

[8] Cho CG, Bull. Korean Chem. Soc., 17, 678 (1996)

[9] Otsu T, Kuriyama A, J. Macromol. Sci.-Chem., A21, 961 (1984)

[10] Otsu T, Kuriyama A, Polym. J., 17, 97 (1985)

[11] Lambrinos P, Tardi M, Polton A, Sigwalt P, Eur. Polym. J., 26, 1125 (1990)

[12] Shefer A, Grodzinski AJ, Prime KL, Busnel JP, Macromolecules, 26, 2240 (1993)

[13] Kondo S, Ohtsuka T, Ogura K, Tsuda K, J. Macromol. Sci.-Chem., A13, 769 (1979)

[14] Tonelli AE, "NMR Spectroscopy and Polymer Microstructure, p. 127, VCH Publishers, New York (1989)

[15] Yamashita K, Ito K, Tsuboi H, Takahama S, Tsuda K, J. Appl. Polym. Sci., 40, 1445 (1990)