Macromolecular Research, Vol.22, No.10, 1109-1114, October, 2014
Preparation of high modulus thin films based on photocurable azido-functionalized ladder-like structured polysilsesquioxanes
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A series of azido-functionalized ladder-like structures was prepared by direct azidation of ladder-like structured poly(p-chloromethylphenyl)silsesquioxane (LPCMPSQ) and poly(chloropropyl)silsesquioxane (LPAPSQ) in excellent yields with perfect substitution of the chloro-compounds. The azido-functionalized silsesquioxanes obtained were then photocured without additional photoinitiator to give highly cross-linked thin films with an exceptionally high modulus (> 12 GPa). Furthermore, these materials were shown to be patterned through photolithography to give impeccable micropatterned microstructures.
- Li C, Wilkes GL, Chem. Mater., 13, 3663 (2001)
- Schottner G, Chem. Mater., 13, 3422 (2001)
- Hayashida N, Hirata H, Kamaki T, Usami M, Ushida T, Itoh H, Yoneyama K, Utsunomiya H, Jpn. Appl. Phys., 42, 750 (2003)
- Al Akhrass S, Gal F, Damiron D, Alcouffe P, Hawker CJ, Cousin F, Carrot G, Drockenmuller E, Soft Matter, 5, 586 (2009)
- Bang J, Bae J, Lowenhielm P, Spiessberger C, Given-Beck SA, Russell TP, Hawker CJ, Adv. Mater., 19(24), 4552 (2007)
- Sepeur S, Kunze N, Werner B, Schmidt H, Thin Solid Films, 351(1-2), 216 (1999)
- Lee BK, Cha NG, Hong LY, Kim DP, Tanaka H, Lee HY, Kawai T, Langmuir, 26(18), 14915 (2010)
- Choi DG, Jeong JH, Sim YS, Lee ES, Kim WS, Bae BS, Langmuir, 21(21), 9390 (2005)
- Yang SC, Jin JH, Kwak SY, Bae BS, Macromol. Res., 19(11), 1166 (2011)
- Nishino G, Sugimoto H, Nakanishi E, J. Appl. Polym. Sci., 123(1), 307 (2012)
- Zhang WA, Muller AHE, Macromolecules, 43(7), 3148 (2010)
- Ge ZS, Wang D, Zhou YM, Liu HW, Liu SY, Macromolecules, 42(8), 2903 (2009)
- Trastoy B, Perez-Ojeda ME, Sastre R, Chiara JL, Chem. Eur. J., 16, 3883 (2010)
- Morita H, J. Photopolym. Sci. Technol., 4, 225 (1991)
- Mehenni H, Bakr OM, React. Funct. Polym., 71(11), 1110 (2011)
- Nam CY, Qin Y, Park YS, Hlaing H, Lu XH, Ocko BM, Black CT, Grubbs RB, Macromolecules, 45(5), 2338 (2012)
- Lee JS, Hong SI, Eur. Polym. J., 38, 387 (2002)
- Yasuda N, Yamamoto S, Wada Y, Yanagida S, J. Polym. Sci. A: Polym. Chem., 39(24), 4196 (2001)
- Chan CM, Cao GZ, Hong H, Sarikaya M, Robinson T, Nelson L, J. Mater. Res., 15, 148 (2000)
- Choi SS, Lee AS, Lee HS, Jeon HY, Baek KY, Choi DH, Hwang SS, J. Polym. Sci. A: Polym. Chem., 49(23), 5012 (2011)
- Choi SS, Lee HS, Hwang SS, Choi DH, Baek KY, J. Mater. Chem., 20, 9852 (2010)
- Lee ASS, Choi SS, Lee HS, Jeon HY, Baek KY, Hwang SS, J. Polym. Sci. A: Polym. Chem., 50(21), 4563 (2012)
- Choi SS, Lee AS, Lee HS, Baek KY, Choi DH, Hwang SS, Macromol. Res., 19, 261 (2010)
- Unno M, Matsumoto T, Matsumoto H, J. Organomet. Chem., 692, 307 (2007)