Annealing Study of Poly(ether ether ketone): Temperature Effect on Molecular Conformation and Crystallinity

Hyuk-Jin Cha; Curtis W. Frank

Korea Polymer Journal, Vol.7, No.3, 141-149, June, 1999

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Annealing Study of Poly(ether ether ketone): Temperature Effect on Molecular Conformation and Crystallinity

Hyuk-Jin Cha^†, and Curtis W. Frank¹

Research Park, LG Chemical Ltd., 104-1, Moonji Dong, Yusong, Taejon, Korea
¹Department of Chemical Engineering, Stanford University, Stanford, CA 94305-5025, USA

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The molecular level conformational changes of poly(aryl ether ether ketone) (PEEK) with temperature were studied by using fluorescence spectroscopy. The characteristic emission bands at 434 and 490 nm were monitored in order to understand local conformational changes of the polymer chain during the thermal treatment process. The 434 nm emission band seems to be correlated with the amorphous regime in which the chromophores are randomly oriented, wheres the 490 nm emission band seems to be related with the crystalline regime. The intensity ratio (I₄₉₀/I₄₃₄) increases with crystallinity. The changes in relative intensity ratio (I₄₉₀/I₄₃₄) were compared with differential scanning calorimeter and X-ray scattering data, and were explained in terms of molecular morphology.

[References]

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[2] Ueda M, Sato M, Macromolecules, 20, 2675 (1987)

[3] Roovers J, Cooney JD, Toporowski PM, Macromolecules, 23, 1612 (1990)

[4] Risse W, Sogah DY, Macromolecules, 23, 4029 (1990)

[5] Bishop MT, Karasz FE, Russo PS, Langley KH, Macromol. Theory Simul., 18, 86 (1985)

[6] Stephen ZD, Cheng MY, Wunderich B, Macromol. Theory Simul., 19, 1868 (1986)

[7] Attwood TE, Dawson PC, Freeman JL, Hoy LRJ, Rose JB, Strazielle C, Makromol. Chem., 177, 293 (1976)

[8] Blundell DJ, Osborn BN, Polymer, 24, 953 (1983)

[9] Lee Y, Porter RS, Lin JS, Macromolecules, 22, 1756 (1989)

[10] Lee Y, Porter RS, Macromolecules, 21, 2770 (1988)

[11] Lee Y, Porter RS, Macromolecules, 20, 1336 (1987)

[12] Blundell DJ, Polymer, 28, 2248 (1987)

[13] Wakelyn NT, J. Polym. Sci. C: Polym. Lett., 25, 25 (1987)

[14] Cebe P, Hong SD, Polymer, 27, 1183 (1986)

[15] Cebe P, Polym. Compos., 9, 271 (1988)

[16] Otsberg GMK, Seferis JC, J. Appl. Polym. Sci. Lett., 33, 29 (1987)

[17] Cheng SZD, Cao MY, Wunderlich B, Macromolecules, 19, 1868 (1986)

[18] Lovinger AJ, Davis DD, J. Appl. Phys., 58, 2848 (1985)

[19] Bassett DC, Olley RH, Al Raheil IAM, Polymer, 29, 1745 (1988)

[20] Dawson PC, Blundell DJ, Polymer, 21, 577 (1980)

[21] Wakelyn NT, Polym. Commun., 25, 305 (1984)

[22] Hay JN, Kemmish DJ, Langford JI, Rae AIM, Polym. Commun., 26, 238 (1985)

[23] Hay JN, Kemmish DJ, Langford JI, Rae AIM, Polym. Commun., 25, 175 (1984)

[24] Hay JN, Kemmish DJ, Langford JI, Polym. Commun., 30, 489 (1989)

[25] Nguyen HX, Ishida H, Polymer, 28, 1400 (1986)

[26] Kemmish DJ, Hay JN, Polymer, 26, 905 (1985)

[27] Kumar S, Anderson DP, Adams AA, Polymer, 27, 329 (1986)

[28] Abraham RJ, Haworth IS, Polymer, 32, 121 (1991)

[29] Basile J, Trans. Faraday Soc., 60, 1702 (1964)

[30] Klffer W, J. Chem. Phys., 50, 2337 (1969)

[31] Johnson PC, Offen H, J. Chem. Phys., 55, 2945 (1971)

[32] David C, Piens M, Geuskens G, Eur. Polym. J., 8, 1291 (1972)

[33] David C, Piens M, Geuskens G, Eur. Polym. J., 9, 553 (1973)

[34] Heisel F, Lausttriat H, J. Chim. Phys., 66, 1895 (1969)

[35] David C, Lavaleile N, de Putman N, Geuskens G, Eur. Polym. J., 10, 617 (1974)

[36] Cao T, Magonov SN, Qian R, Polym. Commun., 29, 43 (1988)

[37] Lafemina JP, Arjavalingam G, J. Phys. Chem., 95, 984 (1991)

[38] Hemker DJ, Frank CW, Thomas JW, Polymer, 29, 437 (1988)

[39] Hennecke M, Fuhrmann J, Makromol. Chem. Symp., 5, 181 (1986)

[40] Hennecke M, Kud A, Kurz K, Fuhrmann J, Colloid Polym. Sci., 265, 674 (1987)

[41] Padhye MR, Tamhane PS, Angew. Makromol. Chem., 69, 33 (1978)

[42] Sonnenschein MF, Roland CM, Polymer, 31, 2023 (1990)

[43] Hennecke M, Kurz K, Fuhrmann J, Macromolecules, 21, 674 (1987)

[44] Fukunaga J, Taft RW, J. Am. Chem. Soc., 97, 1612 (1975)

[45] Rao CNR, Ultra-Violet and Visible Spectroscopy, Butterworth, London (1974)

[46] Ouchi I, Polym. J., 15, 225 (1983)

[47] Nakakura S, Tanaka J, Nakamura J, Hosoya H, Hanasaki I, Iwata S, Theory of Electronic Spectra of Molecules, in Jikken Kakaku Koza, The Chemical Society of Japan, Maruzen, Tokyo, vol. 11, pp. 278 (1965)

[48] Loutfy RO, Morris JM, Chem. Phys. Lett., 22, 584 (1973)

[49] Wagner PJ, Kemppainen AE, Schott HM, J. Am. Chem. Soc., 95, 5604 (1973)

[50] Shimada R, Goodman L, J. Chem. Phys., 43, 2027 (1965)

[51] Krishna VG, J. Mol. Spectrosc., 13, 296 (1964)

[52] Winnik MA, Lemire A, Chem. Phys. Lett., 46, 283 (1977)

[53] Winnik MA, Hsiao CK, Chem. Phys. Lett., 33, 518 (1977)

[54] Porter G, Suppan P, Trans. Faraday Soc., 61, 1664 (1965)

[55] Hashimoto S, J. Phys. Chem., 97, 3662 (1993)

[56] Winnik FM, Chem. Phys. Lett., 146, 143 (1988)

[57] Masuhara H, Maeda Y, Nakajo H, Mataga N, Tomita K, Tatemitsu H, Sakata Y, Misumi S, J. Am. Chem. Soc., 103, 634 (1981)

[58] Deslandes Y, Rosa EA, Polym. Commun., 23, 3426 (1990)

[59] Day M, Deslandes Y, Roovers J, Suprunchuk T, Polymer, 32, 2347 (1991)

[60] Kaito A, Kyotani M, Nakayama K, Macromolecules, 23, 1036 (1990)

[61] Kazaryan LG, Tsvankin DY, Ginsburg BM, Tuichiev S, Korzhanvin, Frenkel LNSY, Vysokomol. Soyed. A, 14, 1194 (1972)