Preparation and Characterization of Imide-grafted Poly(ethersulfone)s

Dong Wan Seo; Young Don Lim; Soon Ho Lee; Hyun Mi Jin; Ho Hyoun Jang; Insik In; Sun Dal Kim; Sang Youl Kim; Whan Gi Kim

Macromolecular Research, Vol.19, No.4, 321-325, April, 2011

DOI10.1007/s13233-011-0406-y Export Citation

Preparation and Characterization of Imide-grafted Poly(ethersulfone)s

Dong Wan Seo, Young Don Lim, Soon Ho Lee, Hyun Mi Jin, Ho Hyoun Jang, Insik In¹, Sun Dal Kim², Sang Youl Kim², and Whan Gi Kim^†

Department of Applied Chemistry, Konkuk University, Chungbuk, 380-701, Korea
¹Department of Polymer Science and Engineering / RIC-ReSEM, Chungju National University, Chungbuk, 380-702, Korea
²Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon, 305-701, Korea

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Poly(ethersulfone)s carrying pendant imide side group with a low dielectric constant were prepared. The first step in the preparation involved the nitration of poly(ethersulfone) (ultrason®-S6010), with ammonium nitrate and trifluoroacetic anhydride resulting in the nitrated poly(ethersulfone) (NO2-PES). In the second step, the nitro groups on the polymer reacted with tin(II)chloride and sodium iodide as reducing agents for creating the amino poly(ethersulfone) (NH2-PES). The imide-poly(ethersulfone)s (IPES) were obtained by a reaction of phthalic anhydride and amino poly(ethersulfone) with triethyl amine. The different degrees of imide units of poly(ethersulfone) were synthesized successfully under optimized condition. The IPES were studied by FTIR, 1H NMR spectroscopy, differential scanning calorimetry (DSC), and thermo gravimetric analysis (TGA). The optical and electrical properties of IPES were comparable to PES rather than PI. The slightly decreased birefringence and dielectric constant of IPES might originate from the reduced packing of polymer chains due to the presence of bulky imide pendent groups.

Keywords:polyimide;poly(ethersulfone);dielectric constant;birefringence;imidization.

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[2] Fox DW, in Kirk-Othmer Encyclopedia of Chemical Technology, Kroschwitz J, Ed., Wiley, New York, 1985, Vol. 18, p 479.

[3] Aycock D, Abolins V, White DM, in Encyclopedia of Polymer Science and Technology, Wiley, New York, 1985, Vol. 18, p 832.

[4] Sauers ME, Mckenna LA, Merria CN, in High Performance Polymers, Elsevier Science, New York, 1986, p 159.

[5] Hergenother PM, Jensen BJ, Havens SJ, Polymer, 29, 358 (1988)

[6] Lewis CM, Mathias L, J. Polym. Prepr. (Am. Chem. Soc. Div. Polym. Chem.), 34, 491 (1993)

[7] Torres G, Madec PJ, Marechal E, Makromol. Chem., 190, 203 (1989)

[8] Marks MJ, Sekinger JK, Polymer, 36(1), 209 (1995)

[9] Ghosh MK, Mittal KL, Polyimides Fundamentals and Applications, Marcel Dekker, New York, 1996.

[10] Ding MX, Prog. Polym. Sci, 32, 623 (2007)

[11] Ge JJ, Zhang D, Li Q, Hou HQ, Graham MJ, Dai LM, Harris FW, Cheng SZD, J. Am. Chem. Soc., 127(28), 9984 (2005)

[12] Ling QD, Chang FC, Song Y, Zhu CX, Liaw DJ, Chan DSH, Kang ET, Neoh KG, J. Am. Chem. Soc., 128(27), 8732 (2006)

[13] Zhang Q, Naito K, Tanaka Y, Kagawa Y, Macromolecules, 41(3), 536 (2008)

[14] Liu JG, Nakamura Y, Suzuki Y, Shibasaki Y, Ando S, Ueda M, Macromolecules, 40(22), 7902 (2007)

[15] Gonzalo B, Vilas JL, Breczewski T, Perez-Jubindo MA, De La Fuente MR, Rodriguez M, Leon LM, J. Polym. Sci. A: Polym. Chem., 47(3), 722 (2009)

[16] Ree M, Macromol. Res., 14(1), 1 (2006)

[17] Ree M, Shin TJ, Lee SW, Korea Polym. J., 9(1), 1 (2001)

[18] Ree M, Kim K, Woo SH, Chang H, J. Appl. Phys., 81, 698 (1997)

[19] Zhang Q, Naito K, Tanaka Y, Kagawa Y, Macromolecules, 41(3), 536 (2008)

[20] Chung IS, Park CE, Ree M, Kim SY, Chem. Mater., 13, 2801 (2001)

[21] Tsuchiya K, Shibasaki Y, Aoyagi M, Ueda M, Macromolecules, 39(11), 3964 (2006)

[22] http:// www2. dupont. com/ Kapton/ en_ US/ assets/ downloads/ pdf/ summaryofprop. pdf.

[23] http:// globalpolymer. com/ documents/ uhmw_ specs. pdf.