Template synthesis of poly(N-isopropylacrylamide) minigels using interconnecting macroporous polystyrene

被引:19
作者
Kumoda, M [1 ]
Takeoka, Y [1 ]
Watanabe, M [1 ]
机构
[1] Yokohama Natl Univ, Dept Chem & Biotechnol, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
关键词
D O I
10.1021/la020758r
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Thermosensitive uniform-sized poly(N-isopropylacrylamide) minigels with diameters of several micrometers were synthesized by a double template method using silica particles as original molds. The first template composed of the silica particles produced a macroporous polystyrene as the second template to decide the shape and the size of the minigels. The resultant minigels in the second template covalently interconnect with each other. After the minigels were collapsed in each compartment of the macroporous polystyrene, the separated minigel particles were obtained.
引用
收藏
页码:525 / 528
页数:4
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共 24 条
[1]   Polymer gels that memorize elements of molecular conformation [J].
Alvarez-Lorenzo, C ;
Guney, O ;
Oya, T ;
Sakai, Y ;
Kobayashi, M ;
Enoki, T ;
Takeoka, Y ;
Ishibashi, T ;
Kuroda, K ;
Tanaka, K ;
Wang, GQ ;
Grosberg, AY ;
Masamune, S ;
Tanaka, T .
MACROMOLECULES, 2000, 33 (23) :8693-8697
[2]   REENTRANT PHASE-TRANSITION OF N-ISOPROPYLACRYLAMIDE GELS IN MIXED-SOLVENTS [J].
AMIYA, T ;
HIROKAWA, Y ;
HIROSE, Y ;
LI, Y ;
TANAKA, T .
JOURNAL OF CHEMICAL PHYSICS, 1987, 86 (04) :2375-2379
[3]   A NOVEL-APPROACH FOR PREPARATION OF PH-SENSITIVE HYDROGELS FOR ENTERIC DRUG DELIVERY [J].
DONG, LC ;
HOFFMAN, AS .
JOURNAL OF CONTROLLED RELEASE, 1991, 15 (02) :141-152
[4]   Preparation and swelling properties of poly(NIPAM) "minigel" particles prepared by inverse suspension polymerization [J].
Dowding, PJ ;
Vincent, B ;
Williams, E .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2000, 221 (02) :268-272
[5]   PHASE-TRANSITION OF SUBMICRON GEL BEADS [J].
HIROSE, Y ;
AMIYA, T ;
HIROKAWA, Y ;
TANAKA, T .
MACROMOLECULES, 1987, 20 (06) :1342-1344
[6]   Polymerized colloidal crystal hydrogel films as intelligent chemical sensing materials [J].
Holtz, JH ;
Asher, SA .
NATURE, 1997, 389 (6653) :829-832
[7]   A lost-wax approach to monodisperse colloids and their crystals [J].
Jiang, P ;
Bertone, JF ;
Colvin, VL .
SCIENCE, 2001, 291 (5503) :453-457
[8]   Single-crystal colloidal multilayers of controlled thickness [J].
Jiang, P ;
Bertone, JF ;
Hwang, KS ;
Colvin, VL .
CHEMISTRY OF MATERIALS, 1999, 11 (08) :2132-2140
[9]   HYDROGEL MICROSPHERES .3. TEMPERATURE-DEPENDENT ADSORPTION OF PROTEINS ON POLY-N-ISOPROPYLACRYLAMIDE HYDROGEL MICROSPHERES [J].
KAWAGUCHI, H ;
FUJIMOTO, K ;
MIZUHARA, Y .
COLLOID AND POLYMER SCIENCE, 1992, 270 (01) :53-57
[10]   KINETICS OF DISCONTINUOUS VOLUME PHASE-TRANSITION OF GELS [J].
MATSUO, ES ;
TANAKA, T .
JOURNAL OF CHEMICAL PHYSICS, 1988, 89 (03) :1695-1703