Journal of the Korean Industrial and Engineering Chemistry, Vol.12, No.8, 927-931, December, 2001
에스테르 교환반응을 이용한 Cyclohexanedimethanol(CHDM) 함유 지방족 폴리에스테르 공중합체의 제조와 물성
Synthesis and Physical Properties of Aliphatic Polyester Copolymer Containing Cyclohexanedimethanol(CHDM) by Transesterification
E-mail:
초록
에스테르 교환반응을 이용하여 생분해성 지방족 폴리에스테르인 poly(butylene succinate)(PBS)에 강직한 구조를 갖는 cyclohexanedimethanol(CHDM)을 주쇄에 도입시킨 지방족 폴리에스테르 공중합체를 합성하였다. Poly(cyclohexane dimethylene adipate)(PCDA)는 adipic acid와 CHDM을 에스테르반응과 고진공하에서 축중합을 거쳐 제조하였으며, 이를 PBS와 용융 블렌딩하여 에스테르 교환반응을 유도하여 CHDM이 주쇄구조에 함유된 PBS-PCDA 공중합체를 제조하였다. 합성된 PCDA와 PBS-PCDA 공중합체의 구조는 FT-IR과 (1)H-NMR을 이용하여 각각 확인하였으며, 열적, 기계적물성은 각각 DSC, TGA 및 UTM을 이용하여 조사하였다. PCDA가 PBS의 주쇄에 도입됨으로써 순수한 PBS에 비해 용융온도 및 결정화속도가 저하되었지만, 강인성과 열적안정성을 증가시킬 수 있음을 알 수 있었다.
Poly(cyclohexane dimethylene adipate)(PCDA) containing rigid ring structures was synthesized with adipic acid and cyclohexanedimethanol(CHDM). PCDA was melted and blended with the biodegradable aliphatic polyester and poly(butylene succinate)(PBS) to obtain PBS-PCDA copolymer. The structures of PCDA and PBS-PCDA copolymers were confirmed by FT-IR and (1)H-NMR. The thermal and mechanical properties of the copolymers were investigated by DSC, TGA and UTM. When PCDA was introduced into the PBS chain, there was a decrease in the melting temperature and the crystallization rate, but it increased the toughness and the thermal stability.
Keywords:poly(butylene succinate);poly(cyclohexane dimethylene adipate);PBS-PCDA copolymer;melt blending;transesterification
- Vert M, Angew. Makromol. Chem., 167, 55 (1989)
- Singhal JS, Singh H, Ray AR, J. Macromol. Sci.-Rev. Macromol. Chem. Phys., C28(384), 475 (1988)
- Kumor GS, Kalpagam V, Nandi TS, J. Macromol. Sci.-Rev. Macromol. Chem. Phys., C22(2), 225 (1982)
- Park SS, Chae SH, Im SS, J. Polym. Sci. A: Polym. Chem., 36(1), 147 (1998)
- Cruz CA, Paul DR, Barlow W, J. Appl. Polym. Sci., 24, 2101 (1979)
- Tokiwa Y, Suzuki T, J. Appl. Polym. Sci., 26, 441 (1981)
- Kim DK, Shin YS, Im SS, Yoo YT, Huh JR, Polym.(Korea), 20(3), 431 (1996)
- Kopecek J, Ulbrich K, Prog. Polym. Sci., 9, 1 (1983)
- Fields RD, Rodriquez F, Finn RK, J. Appl. Polym. Sci., 18, 3571 (1974)
- Huang SJ, "Encyclopedia of Polymer Science and Engineering," Vol. 2, pp. 220, John Wiley Interscience, New York (1985)
- Huang SJ, "Comprehensive Polymer Science," Vol. 6, pp. 567, Pergamon (1989)
- Kumar GS, Kalpagram T, Nandi TS, J. Macromol. Sci.-Chem., 22, 225 (1982)
- Jin HJ, Lee BY, Kim MN, Yoon JS, J. Polym. Sci. B: Polym. Phys., 38(11), 1504 (2000)
- Kim DK, Kim KS, Chang YW, J. Korean Ind. Eng. Chem., 7(5), 970 (1996)
- Chang YW, Im SS, Choi YS, Kim DK, J. Korean Ind. Eng. Chem., 11(1), 19 (2000)
- Yoo Y, Yang SB, Im SS, Polym.(Korea), 25(4), 486 (2001)
- Yoo YT, Ko MS, Han SI, Kim TY, Im SS, Kim DK, Polym. J., 30, 538 (1998)
- Yang W, Shen JA, Zhu SH, Chan CM, J. Appl. Polym. Sci., 67(12), 2035 (1998)