유연 기판 소재로 응용을 위한 폴리(에틸렌/프로필렌 나프탈레이트)의 치수안정성 연구

김재현; 허혜영; 정태형; 한준희; 강호종; Jaehyun Kim; Hye Young Heo; Tae Houng Jung; Joon Hee Han; Ho-Jong Kang

Polymer(Korea), Vol.33, No.4, 371-376, July, 2009

Export Citation

유연 기판 소재로 응용을 위한 폴리(에틸렌/프로필렌 나프탈레이트)의 치수안정성 연구

Dimensional Stability of Poly(ethylene/propylene naphthalate) as a Flexible Substrate Application

김재현, 허혜영¹, 정태형¹, 한준희¹, 강호종 ^†

단국대학교 광 에너지소재연구센터, 고분자공학과
¹SKC(주)

Jaehyun Kim, Hye Young Heo¹, Tae Houng Jung¹, Joon Hee Han¹, and Ho-Jong Kang^†

Center for Photofunctional Energy Materials, Dept. of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Sugi-ku, Yongin-si, Gyeonggi-do 448-160, Korea
¹SKC Central R&D Center, 911, Jeongja-1 dong,Jangan-gu, Suwon-si, Gyeonggi-do 440-301, Korea

E-mail:

초록

폴리(에틸렌 나프탈레이트) 공중합체를 합성하기 위하여 에틸렌글리콜과 함께 1,3-프로판디올을 혼합 사용하여 폴리(에틸렌/프로필렌 나프탈레이트)를 합성하고 이를 유연 기판 소재로 적용하기 위한 물성을 살펴보았다. NMR 실험 결과, 에틸렌과 프로필렌 segment가 함께 공존하는 폴리(에틸렌/프로필렌 나프탈레이트)가 합성되었음을 확인하였다. 에틸렌과 함께 프로필렌 segment가 존재하는 경우 합성된 폴리에스터의 결정화가 일어나지 않으며 유리전이온도와 열분해온도는 감소함을 알 수 있다. 합성된 폴리(에틸렌/프로필렌 나프탈레이트)의 주사슬에 에틸렌 보다 상대적으로 긴 프로필렌이 공존함에 따라 주사슬 배향이 어려워 열팽창계수가 감소함에 따라 합성 시 1,3-프로판디올 첨가에 따른 다소간의 내열온도 감소에도 저수축 유연기판 소재로 적용 가능함을 알 수 있었다.

The 1,3-propane diol has been introduced as a co-monomer with ethylene glycol to polymerize the poly(ethylene/propylene naphthalate) in order to improve the dimensional stability of poly (ethylene naphthalate) for a possible flexible substrate material. Based on 1H-NMR results, it was found that poly(ethylene/propylene naphthalate) has been synthesised successfully. Introducing 1,3-propane diol resulted in the amorphous state in polyester as well as lowering of glass transition and thermal degradation temperature. Coexisting relatively longer propylene segment compared with ethylene in synthesized polyester caused less orientation behavior and reducing thermal expansion coefficient. This is a promising result for poly(ethylene/propylene naphthalate) to apply a flexible substrate.

Keywords:poly(ethylene/propylene naphthalate);coefficient of thermal expansion;flexible substrate.

[References]

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Kudo K, Yamashina M, Morizumi T, Jpn. J. Appl. Phys., 23, 130 (1984)
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Dybal J, Schmidt P, Baldrian J, Kratochvil J, Macromolecules, 31(19), 6611 (1998)
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[Referenced By]

[Related Articles]

[1] He Y, Kanicki J, Appl. Phys. Lett., 76, 661 (1999)

[2] Gazotti WA, Nogueira AF, Syn. Metals, 108, 151 (2000)

[3] Kudo K, Yamashina M, Morizumi T, Jpn. J. Appl. Phys., 23, 130 (1984)

[4] Tsumura A, Koezuka H, Ando Y, Symth. Meth., 25, 11 (1998)

[5] Jackson TN, Lin YY, Gundlach DJ, Klauk H, IEEE J. Sel. Top. Quant. Electron., 4, 101 (1998)

[6] Baek IJ, Yoon JH, Lim HS, Chang HJ, Park HY, J. of Microelectronics and Packaging Society, 12, 359 (2005)

[7] Chang WC, J. of KIEEME, 17, 1277 (2004)

[8] Kim JY, Hong SI, Korean J. Mater. Res., 19(1), 1 (2009)

[9] Fonrodona M, Escarre J, Villar F, an International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion, 89, 37 (2005)

[10] Kaiju H, Ono A, Kawaguchi N, Appl. Surf. Sci., 255, 3706 (2009)

[11] Schnell H, Chemistry and Physics of Polycarbonates, Inter Science, New York (1964)

[12] Nasr AM, Sadik AM, Pure Appl. Opt., 3, 200 (2001)

[13] Harsnyi G, Sensor Review, 20, 98 (2000)

[14] Dybal J, Schmidt P, Baldrian J, Kratochvil J, Macromolecules, 31(19), 6611 (1998)

[15] Hwang SJ, Tsengand MC, Shu JR, Surf. Coat. Tech., 202, 3669 (2008)

[16] Yang TC, Tsai SH, Wang S, Compos. Sci. Technol., 62, 655 (2002)

[17] Lin YC, Liand JY, Yen WT, Appl. Surf. Sci., 254, 3262 (2008)