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含氟丙烯酸酯共聚物结晶性与涂膜表面润湿性能研究

DOI: 10.3724/SP.J.1105.2011.11009, PP. 1454-1460

Keywords: 含氟丙烯酸酯共聚物,结晶性,表面润湿性,疏水疏油

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Abstract:

以甲基丙烯酸2-全氟辛基乙酯(FOEMA)分别和不同烷烃链长丙烯酸酯(RA,CH2CHCOOCnH2n+1,n=4,8,12,16,18)为单体,用自由基聚合法合成了一系列的含氟丙烯酸酯共聚物,通过X射线衍射(XRD)和示差扫描量热法(DSC)对共聚物进行了表征,发现结晶性与丙烯酸酯的烷烃链长度密切相关,当n=4,8,12时,在常温下不具有结晶性,当n=16,18时在常温下结晶,以碳氢侧链结晶为主.由DSC谱图测出了各共聚物的结晶焓.通过热力学计算,发现n=16时,恒压熵变值最小,说明该共聚物有序性最好.用多功能光电子能谱仪(XPS)测定了共聚物表面氟碳比(F/C)和官能团组成,并用接触角测试仪测定了与正十六烷和水的静态接触角.氟碳比随着烷烃侧链的增长而增大,从0.39增加到0.71.当n=16和18,表面非极性基团(—CF3和—CF2)明显增加,极性基团(—C=O和—C—O—C=O)明显减少导致了与正十六烷的静态接触角明显增大.结果表明共聚物中的碳氢侧链由于结晶导致全氟链段在成膜时更易于向涂膜-空气界面迁移,从而提高共聚合物表面疏水疏油性.

References

[1]  1 Schmidt D L, Brady R F, Lam K, Schmidt D C, Chaudhury M K. Langmuir, 2004, 20:2830~2836
[2]  2 Youssef A, Pabon M, Severac R, Gilbert R G. J Appl Polym Sci, 2009, 114: 4020~4029
[3]  3 Saidi S, Guittard F, Guimon C, Geribaldi S. J Polym Sci Polym Chem, 2005, 43: 3737~3747
[4]  4 Li Jun(李俊) , Chen Qingmin(陈庆民). Polymer Materials Science and Engineering(高分子材料科学与工程), 2005, (5) : 14~18
[5]  5 Park I J, Lee S B, Choi C K, Kim K J. J Colloid Interf Sci, 1996, 181:284~288
[6]  9 Chen Yanjun(陈艳军), Zhang Yuyin(张钰英), Wang Yifeng(王艺峰), Luo Wen(罗文). Acta Polymerica Sinica(高分子学报), 2010, (12):1437~1443
[7]  12 He L, Liang J Y. J Fluorine Chem, 2008, 129 : 590~597
[8]  18 Thomas R R, Anton D R, Graham W F, Darmon M J, Sauer B B, Stika K M, Swartzfager D G. Macromolecules, 1997, 30 :2883~2890
[9]  20 ShibasakiY, Saitoh H, Chiba K. J Therm Anal, 1997, 49:115~121
[10]  21 Matsunaga M, Suzuki T, Yamamoton K, Hasegawa T. Macromolecules, 2008, 41:5780~ 5784
[11]  22 Fujimori A, Kobayashi S, Hoshizawa H, Masuya R, Masuko T. Polym Eng Sci, 2007, 47: 354 ~364
[12]  23 De Grampel R D. V, Ming W, Gildenpfennig A, van Gennip W J H, Laven J, Niemantsverdriet J W, Brongersma H H, de With G, vander Linde R. Langmuir, 2004, 20: 6344~6351
[13]  24 Wang X F, Ni H G, Xue D W, Wang X P, Feng R R, Wang H F. J Colloid Interf Sci , 2008, 321:373~383
[14]  25 Nishino T, Meguro M, Nakamae K, Matsushita M, Ueda Y. Langmuir, 1999, 15:4321~ 4323
[15]  26 Li H J. Wang X B, Song Y L, Liu Y Q, Li Q S, Jiang L, Zhu D B. Angew Chem Int Ed, 2001, 40:1743~1746
[16]  27 Xue D W, Wang X P, Ni H G, Zhang W, Xue G. Langmuir, 2009, 25:2248~2257
[17]  6 Morita M, Ogisu H, Kubo M. J Appl Polym Sci,1999, 73:1741~1749
[18]  7 Tsibouklis J, Graham P, Eaton P J, Smith J R, Nevell T G, Smart J D, Ewen R J. Macromolecules, 2000, 33 : 8460~8465
[19]  8 Yang Tingting(杨婷婷), Xu Yingying(徐莹莹), Yao Li(姚丽), Peng Hui(彭慧), Cheng Shiyuan (程时远). Acta Polymerica Sinica(高分子学报), 2009, (11) : 1146~1152
[20]  10 Genzer J, Efimenko K. Science, 2000, 290:2130~2133
[21]  11 Van de Grampel R D, Van Geldrop J, Laven J, Van der Linde R. J Appl Polym Sci, 2001, 79:159~165
[22]  13 Wang J G, Mao G P, Ober C K, Kramer E J. Macromolecules, 1997, 30:1906~1914
[23]  14 Honda K, Morita M, Otsuka H, Takahara A. Macromolecules, 2005, 38:5699~5705
[24]  15 Corpart J M, Girault S, Juhue D. Langmuir, 2001, 17:7237~7244
[25]  16 Caillier L, de Givenchy E T, Geribaldi S, Guittard F. J Mater Chem, 2008,18 : 5382~5389
[26]  17 Song Linhua(宋林花), Jiang Cuiyu(姜翠玉), Han Zheyin(韩哲茵). Petrochemical Technology(石油化工), 2002, (12) : 991~993
[27]  19 WEI Haiyang(魏海洋) , Wang Kang(王康), Su Xiaoli(粟小理), Li Xinxin(李欣欣), Han Zhewen(韩哲文). Acta Polymerica Sinica(高分子学报), 2008, (1): 69~75

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