Phase separation kinetics and morphology of light-induced IPN confined in micrometer scales

被引:3
作者
Masunaga, Atsushi [1 ]
Ishino, Soh [1 ]
Nakanishi, Hideyuki [1 ]
Tran-Cong-Miyata, Qui [1 ]
机构
[1] Kyoto Inst Technol, Dept Polymer Sci & Engn, Sakyo Ku, Kyoto 6068585, Japan
关键词
phase separation; photo polymerization; interpenetrating polymer networks; spatial confinement; PHOTO-CROSS-LINKING; POLYMER NETWORKS; BLENDS;
D O I
10.1295/koron.64.294
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The reaction and phase separation kinetics of interpenetrating polymer networks (IPNs), prepared by photopolymerization of methyl methacrylate (MMA) and photo-crosslinking of polystyrene (PS), were examined in situ by using Fourier-trans form infrared (FT-IR) spectroscopy and phase-contrast and laser-scanning confocal microscopy. Photopolymerization of MMA exhibited an autocatalytic behavior and the reaction yield increased with increasing light intensity. The phase separation process on the other hand, was suppressed by the reaction occurring at the later stage of irradiation, resulting in co-continuous morphology with variable characteristic lengths. By localizing the domains undergoing phase separation by irradiation with a single strip of light, whose width varied from 500 to 60,um, it was found that the characteristic length of the spinodal structures depends on the scale of spatial confinement. These results were discussed in terms of phase separation under thermodynamically open conditions.
引用
收藏
页码:294 / 300
页数:7
相关论文
共 50 条
  • [21] Electronic phase separation induced non-volatile bi-polar resistive switching in spatially confined manganite microbridges
    Jeon, J.
    Jung, J.
    Chow, K. H.
    JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2021, 54 (31)
  • [22] Light-induced electron spin resonance as a probe for charge separation and recombination in hybrid donor:acceptor systems
    Krause, Christopher
    Borchert, Holger
    SYNTHETIC METALS, 2016, 222 : 84 - 92
  • [23] Design and morphology control of polymer nanocomposites using light-driven phase separation phenomena
    Van-Pham D.-T.
    Trinh X.-A.
    Nakanishi H.
    Tran-Cong-Miyata Q.
    Advances in Natural Sciences: Nanoscience and Nanotechnology, 2010, 1 (01)
  • [24] Control of phase separation and morphology of thiol-ene based PDLCs by curing light intensity
    Yaroshchuk, O.
    Elouali, F.
    Maschke, U.
    OPTICAL MATERIALS, 2010, 32 (09) : 982 - 989
  • [25] Polymeric scaffolds prepared via thermally induced phase separation: Tuning of structure and morphology
    Pavia, F. Carfi
    La Carrubba, V.
    Piccarolo, S.
    Brucato, V.
    JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, 2008, 86A (02) : 459 - 466
  • [26] Morphology modeling for polymer monolith obtained by non-solvent-induced phase separation
    Sun, Xiaoxia
    Sun, Guangwu
    Wang, Xinhou
    POLYMER, 2017, 108 : 432 - 441
  • [27] Kinetics of phase separation during pressure-induced gelation of a whey protein isolate
    He, Jin-Song
    Ruan, Kangcheng
    FOOD HYDROCOLLOIDS, 2009, 23 (07) : 1729 - 1733
  • [28] Experimental investigation of magnetic-induced phase-separation kinetics in aqueous ferrofluids
    Socoliuc, V
    Bica, D
    ADSORPTION AND NANOSTRUCTURES, 2002, 117 : 131 - 135
  • [29] Acid-Doping Induced Phase Separation for Shaping Phase Morphology and Enhancing Performance of Polymer Electrolyte Membranes
    Jang, Joseph
    Kim, Do-Hyung
    Pak, Chanho
    Lee, Jae-Suk
    ACS APPLIED ENERGY MATERIALS, 2024, 7 (18): : 7964 - 7973
  • [30] Phase Separation Induced Morphology Evolution and Corresponding Impact Fracture Behavior of iPP/PEOc Blends
    Pang, Yongyan
    Dong, Xia
    Zhao, Ying
    Han, Charles C.
    Wang, Dujin
    JOURNAL OF APPLIED POLYMER SCIENCE, 2011, 121 (01) : 445 - 453