|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
二茂铁疏水改性支化聚乙烯亚胺水溶液的聚集结构与流变行为
DOI: 10.3724/SP.J.1105.2013.13124, PP. 1350-1356
Keywords: 支化聚乙烯亚胺,疏水改性,流变行为,缔合作用
Abstract:
通过将二茂铁接枝在大分子链上制备了疏水改性支化聚乙烯亚胺(Fc-BPEI),用动态光散射、透射电镜及旋转流变仪研究了其水溶液中大分子的聚集态结构与流变行为.考察了剪切作用、浓度、温度对溶液中大分子结构和形态及流变行为的影响.研究结果表明,二茂铁改性的聚乙烯亚胺分子尺寸明显增大,且随浓度增大体系中大分子逐渐从分子内疏水缔合为主向分子间疏水缔合为主转变,形成分子间缔合体.上述原因使得Fc-BPEI溶液黏度显著增大,但是该体系却呈现典型的牛顿流体特征.对样品进行连续升-降温循环热处理,发现经过升降温处理后的Fc-BPEI体系黏度明显增大,且增幅随热循环次数增加而逐渐减小.动态流变测试结果表明,这种现象缘于热处理使得大分子链缔合方式和形态发生变化,体系中出现穿插于多个分子间缔合体的PEI大分子,产生了类似网络结构的大分子聚集结构.经热处理的Fc-BPEI溶液呈现显著的剪切变稀现象,高浓度溶液的抗剪切能力显著提高.
| [1] | 4 Zhou J P,Shangguan Y G,Wu Q,Zheng Q.Polym Int,2009,58:1275~1282
|
| [2] | 5 Cao Baoge(曹宝格),Luo Pingya(罗平亚),Li Huabin(李华斌),Zhang Yong(张勇).Acta Petrolei Sinica(石油学报),2006,27:85~88
|
| [3] | 6 Zhou Hong(周洪),Wang Hang(王航),Mei Yongjun(梅拥军),Wei Yongqiang(韦勇强).Chem Res &.Appl(化学研究与应用),2009,21:189~192
|
| [4] | 7 Mao F,Mano N,Heller A.J Am Chem Soc,2003,125:4951~4957
|
| [5] | 8 Rajagopalan R,Aoki A,Heller A.J Phys Chem,1996,100:3719 ~3727
|
| [6] | 9 Merchant S A,Daniel T,Glatzhofer D T,Schmidtke D W.Langmuir,2007,23:11295~11302
|
| [7] | 10 Gao Shuiying(高水英),Yu Laigui(余来贵).Acta Polymerica Sinica(高分子学报),2003,(1):18~22
|
| [8] | 11 Bisset W,Jacobs H,Koshti N.React Funct Polym,2003,55:109~119
|
| [9] | 16 Lee M S,Kin J C.Colloid Polym Sci,2011,289:1177~1183
|
| [10] | 17 Nomura Y,Iijima M,Kamiya H.J Am Ceram Soc,2012,95:3448-3454
|
| [11] | 18 Li Guihui(黎桂辉),Liu Xuejun(刘学军),Cheng Hongbin(程红彬).Chem Res(化学研究),2010,21:108~112
|
| [12] | 20 Tsuchiya K,Orihara Y,Kondo Y.J Am Chem Soc,2004,126:12282~12283
|
| [13] | 21 Zhu L Z,Shangguan Y G,Sun YX,Ji J,Zheng Q.Soft Matter,2010,(6):5541~5546
|
| [14] | 22 Cai Jiali(蔡佳利),Bo Shuqin(薄淑琴),Cheng Rongshi(程镕时).Acta Polyma Sinica(高分子学报),2004,(5):625~627
|
| [15] | 23 Sun X P,Dong S J,Wang E K.Journal of Colloid and Interface Science,2005,288:301~303
|
| [16] | 24 Zhang Wei(张伟),Shen Hui(沈辉),Xia Jianhan(夏建汉),Zhang Xiuping(张秀萍),He Xisheng(何喜生).Nanotechnology and Precision Engineering(纳米技术与精密工程),2007,5(2):125~128
|
| [17] | 27 Kadam V,Nicolai T,Nicol E,Benyahia L.Macromolecules,2011,44:8225~8232
|
| [18] | 28 Jin L,Shangguan Y G,Ye T,Yang H,An Q F,Zheng Q.Soft Matter,2013,(6):1835~1843
|
| [19] | 30 Tho I.Kjoniksen A L,Nystrom B,Roots J.Biomacromolecules,2003,4:1623~1629
|
| [20] | 31 Kjoniksen A L,Hiorth M,Roots J,Nystrom B.J Phys Chem B,2003,107:6324~6328
|
| [21] | 32 Shangguan Y G,Zhang C H,Xie Y L,Zheng Q.Polymer,2010,51(2):500~506
|
| [22] | 1 Dobrynin A V, Rubinstein M.Prog Polym Sci,2005,30:1049~1118
|
| [23] | 2 Nystrom B,Kjoniksen A L,Beheshti N,Zhu K Z,Knudsen K D.Soft Matter,2009,(5):1328~1339
|
| [24] | 3 Zhou J P,Shangguan Y G,Wu Q,Zheng Q.Polym Int,2011,60:353~361
|
| [25] | 12 Andersson M M,Hatti-Kaul R.J Biotech,1999,72:21~31
|
| [26] | 13 Reybier K,Zairi S,Jaffrezic-Renault N.Talanta,2002,56:1015~1020
|
| [27] | 14 Zhang Xuan(张璇),Pan Shirong(潘仕荣),Lv Shu(吕澍).J Sun Yat-sen Uni(中山大学学报),2006,(6):53~56
|
| [28] | 15 Kim S,Choi J S,Jang H S,Suh H,Park J.Bull Korean Chem Soc,2001,22:1069~1075
|
| [29] | 19 Hai W,Wanjuan L,Karolina P F,Gregory D S,Mitchell A W,Ian M.J Am Chem Soc,2007,129:12924~12925
|
| [30] | 25 Tam K C,Jenkins R D,Winnik M A,Bassett D R.Macromolecules,1998,31:4149~4159
|
| [31] | 26 Anthony O,Zana R.Langmuir,1996,15:3590~3597
|
| [32] | 29 Zhang Jian(张健),Zhang Liming(张黎明),Li Zhuomei(李卓美).J Funct Polym(功能高分子学报),1999,12(1):88~96
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
