|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
NIPAM共聚物多孔水凝胶的光引发RAFT合成及其溶胀性能
DOI: 10.3724/SP.J.1105.2011.10132, PP. 672-678
Keywords: N-异丙基丙烯酰胺,光聚合,梳型/多孔水凝胶,可逆加成-断裂链转移(RAFT)
Abstract:
采用光引发可逆加成-断裂链转移(RAFT)方法,在室温下先合成了链端含有三硫代碳酸酯基的大分子链转移剂聚(N,N'-二甲基丙烯酰胺)(PDMAM),然后与N-异丙基丙烯酰胺(NIPAM)、N,N'-二甲基双丙烯酰胺(BIS)交联共聚合,并通过聚乙二醇的制孔作用制得PNIPAM-g-PDMAM梳型/多孔水凝胶.采用FTIR、SEM等对水凝胶的结构进行了表征.讨论了水凝胶的制备原理,研究了接枝链和孔结构对水凝胶性能的影响.研究结果表明,PDMAM接枝链的存在提高了无孔水凝胶的溶胀比、退溶胀速率和最低临界溶解温度(LCST);孔结构能大幅度地提高无接枝链水凝胶的溶胀比和退溶胀速率,但未改变水凝胶的LCST;接枝链的存在并没有提高多孔水凝胶的溶胀比,但失水率较低.
| [1] | 1 Wu Guangguo(吴光国), Li Yuanpei(李源培) ,Liu Xiaoxuan(刘晓暄).Acta Polymerica Sinica(高分子学报),2006,(9):1022~1028 2 Liu Xiaoxuan(刘晓暄),Wang Hongbo(王洪波),Bai Yingkun(白迎坤),Wu Guangguo(吴光国),Photographic Science and Photochemistry(感光科学与光化学),2007,25(6):436~444 3 Liu Xiaoxuan(刘晓暄),Wang Hongbo(王洪波),Chen Bing(陈兵),Jing Yanni(荆燕妮),Wu Guangguo(吴光国).Acta Polymerica Sinica(高分子学报),2007,(9):850~856 4 Zhu Dongyu(朱东雨),Guo Jianwei(郭建维),Liang Liyan(梁利岩),Luo Jianxin(罗建新),Li Huan(李欢),Lü Mangeng(吕满庚).Acta Polymerica Sinica(高分子学报),2010,(7):858~863 5 Zheng Junmin(郑俊民).Pharmaceutical Botany(医用高分子材料学).Beijing(北京):The Medicine Science and Technology Press of China(中国医药科技出版社),2000.60~63 6 Fátima R,B Jo.Ao,Miguel C.Polymer,2002,43:63~67 7 Crowther H M,Vincent B.Colloid Polym Sci,1998,276(1):46~51 8 Luo Qiaofang(罗巧芳),Guan Ying(关英),Zhang Yongjun(张拥军).Acta Polymerica Sinica(高分子学报),2010,(6):793~796 9 Azuya S,Takeshi S,Yuko T,Mitsuru A.J Controlled Release,2001,75(1):183~189 10 Liu Xiahua(刘晓华),Wang Xiaogong(王晓工),Liu Deshan(刘德山).Acta Polymerica Sinica(高分子学报),2002,(3):354~357 11 Zhang Gaoqi(张高奇),Zha Liusheng(查刘生),Liang Borun(梁伯润).Acta Polymerica Sinica(高分子学报),2009,(7):633~637 12 Yoshida R,Uchida K,Kaneko Y,Sakai K,Kikuchi A,Sakurai Y,Okano T.Nature,1995,374:240~242 13 Liu Q F,Zhang P,Lu M G.J Polym Sci,Part A:Polym Chem,2005,43:2615~2624 14 Li Biao(李彪),Jiang Yongmei(姜永梅),Liu Yang(刘洋),Wu Yongtao(武永涛),Ren Huaiyin(任怀银),Zhu Bolei(朱苞蕾),Zhu Meifang(朱美芳).Acta Polymerica Sinica(高分子学报),2009,(5):419~424 15 Lu L C,Zhang H J,Yang N F,Cai Y L.Macromolecule,2006,39:3770~3776 16 Sun Peijian(孙培健),Shi Xudong(石旭东),Gan Zhihua(甘志华).Acta Polymerica Sinica(高分子学报),2010,(4):383~389 17 Lai J T,Filla D,Shea R.Macromolecules,2002,35:6754~6756 18 Wu X S,Hoffman A S,Yager P.J Polym Sci,Part A:Polym Chem,1992,30:2121~2129
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
