Search Results - "TAKEZAWA, Yoshitaka"

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    Forming a Homeotropic SmA Structure of Liquid Crystalline Epoxy Resin on an Amine-Modified Surface by Tanaka, Shingo, Takezawa, Yoshitaka, Kanie, Kiyoshi, Muramatsu, Atsushi

    Published in ACS omega (12-09-2023)
    “…The molecular orientation of a liquid crystalline (LC) epoxy resin (LCER) on silane coupling surfaces of amorphous soda-lime-silica glass substrates was…”
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    Journal Article
  3. 3

    Higher-Order Structural Analysis of a Transparent and Flexible High Thermal Conductive Liquid Crystalline Elastomer Sheet and Its Composite by Takezawa, Yoshitaka, Furukawa, Naoki, Nachimuthu, Senguttuvan, Zhou, Risheng, Torbati, Amir

    Published in ACS omega (14-05-2024)
    “…Transparency, flexibility, and high thermal conductivity are trade-offs. Specifically, we have investigated a cross-linked acrylic liquid crystal elastomer…”
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    Journal Article
  4. 4

    Homeotropically Aligned Monodomain-like Smectic‑A Structure in Liquid Crystalline Epoxy Films: Analysis of the Local Ordering Structure by Microbeam Small-Angle X‑ray Scattering by Tanaka, Shingo, Takezawa, Yoshitaka, Kanie, Kiyoshi, Muramatsu, Atsushi

    Published in ACS omega (25-08-2020)
    “…For the development of functional thin films with high thermal conductivity, the local ordering structure of a cured liquid crystalline epoxy resin (LCER)…”
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    Journal Article
  5. 5

    Study of high thermal conductive epoxy resins containing controlled high-order structures by Akatsuka, Masaki, Takezawa, Yoshitaka

    Published in Journal of applied polymer science (29-08-2003)
    “…Heat is transported by phonons through dielectric solids such as ceramics and organic insulating resins. Especially in organic insulating resins, phonons…”
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    Journal Article
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    Layer structure formation of mesogenic liquid crystalline epoxy resin during curing reactions: A reactive coarse-grained molecular dynamics study by SUGII, Taisuke, ITO, Hiroshi, MATSUMOTO, Shigenori, TANAKA, Shingo, MORIYA, Hiroshi, MARUYAMA, Naoki, HOSHINO, Minoru, TANAKA, Naotaka, TAKEZAWA, Yoshitaka

    Published in Mechanical Engineering Journal (01-01-2021)
    “…Liquid crystalline epoxy resins have been reported to show superior mechanical and thermal properties. This high functionality is attributed to their meso- or…”
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    Journal Article
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    Ordering simulation of high thermal conductivity epoxy resins by Koda, Tomonori, Toyoshima, Toshiyuki, Komatsu, Tokutaro, Takezawa, Yoshitaka, Nishioka, Akihiro, Miyata, Ken

    Published in Polymer journal (01-04-2013)
    “…In this work, we performed molecular dynamics simulations of liquid-crystalline epoxy resins using the simulation system OCTA in combination with J-OCTA. One…”
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    Journal Article
  8. 8

    Evaluation of Thermal Conductive Resistance at Organic--Inorganic Interface and Effect of Interfaces on Thermal Conductivity of Composite Materials by Fukushima, Keiji, Takezawa, Yoshitaka, Adschiri, Tadafumi

    Published in Japanese Journal of Applied Physics (01-08-2013)
    “…The effect of organic--inorganic interfaces on the thermal conductivity of composite materials was studied by evaluating thermal conductive resistance at the…”
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    Highly Oriented Liquid Crystalline Epoxy Film: Robust High Thermal-Conductive Ability by Tanaka, Shingo, Hojo, Fusao, Takezawa, Yoshitaka, Kanie, Kiyoshi, Muramatsu, Atsushi

    Published in ACS omega (31-03-2018)
    “…The molecular orientation effect of a liquid crystalline (LC) epoxy resin (LCER) on thermal conductivity was investigated, with the thermal conductivity…”
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    Journal Article
  10. 10

    Formation of Liquid Crystalline Order and Its Effect on Thermal Conductivity of AlN/Liquid Crystalline Epoxy Composite by Tanaka, Shingo, Hojo, Fusao, Takezawa, Yoshitaka, Kanie, Kiyoshi, Muramatsu, Atsushi

    “…The liquid crystalline (LC) order was introduced on aluminum nitride particles by the surface effect to increase the thermal conductivities of aluminum…”
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    Journal Article
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    Highly anisotropic thermal conductivity of mesogenic epoxy resin film through orientation control by Tang, Ning, Tanaka, Shingo, Takezawa, Yoshitaka, Kanie, Kiyoshi

    Published in Journal of applied polymer science (15-12-2021)
    “…To develop insulating materials with a high thermally conductive anisotropy, planarly aligned mesogenic epoxy (ME) resin film was fabricated by uniaxial…”
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  12. 12

    Study on high thermal conductivity of mesogenic epoxy resin with spherulite structure by Song, Shi-hui, Katagi, Hideyuki, Takezawa, Yoshitaka

    Published in Polymer (Guilford) (12-09-2012)
    “…The microstructure of a mesogen-containing epoxy resin that exhibits high thermal conductivity (0.33 W/m K) was investigated by observations of the scanning…”
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    Journal Article
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    Prolonging electrical lifetime of mesogenic epoxy based alumina-mica composite sheet: Optimization of mica content by electrical tree progress simulation by Tanase, Tomokazu, Kato, Tetsuji, Tanaka, Shingo, Sano, Akihiro, Kojima, Hiroaki, Fukushima, Keiji, Takezawa, Yoshitaka

    “…Electrical lifetime of alumina-mesogenic epoxy composite sheet is improved by the addition of mica without reducing thermal conductivity. We developed an…”
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    Journal Article
  14. 14

    Preparation and characterization of thermoconductive polymer nanocomposite with branched alumina nanofiber by Shimazaki, Yuzuru, Hojo, Fusao, Takezawa, Yoshitaka

    Published in Applied physics letters (31-03-2008)
    “…A highly thermoconductive resin with branched filler is reported. The filler was fabricated by calcination of aluminium isopropoxide adsorbed onto paper filter…”
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    Journal Article
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    Highly Thermoconductive Polymer Nanocomposite with a Nanoporous α-Alumina Sheet by Shimazaki, Yuzuru, Hojo, Fusao, Takezawa, Yoshitaka

    Published in ACS applied materials & interfaces (25-02-2009)
    “…A highly thermoconductive insulative polymer nanocomposite with a nanoporous α-alumina sheet was reported. The thermal conductivity of the nanocomposite along…”
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    Journal Article
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    Exfoliation of non-swelling muscovite on dodecylammonium chloride intercalation between layers using wet-jet milling by Tominaga, Yuichi, Fukushima, Keiji, Takezawa, Yoshitaka, Shimamoto, Daisuke, Imai, Yusuke, Hotta, Yuji

    “…[Display omitted] •Muscovite with non-swelling property was exfoliated via three processes.•The c axis of muscovite was extended by 18.8pm at 800°C.•The…”
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    Journal Article
  17. 17

    Layer structure formation of mesogenic liquid crystalline epoxy resin during curing reactions: A reactive coarse-grained molecular dynamics study by SUGII, Taisuke, ITO, Hiroshi, MATSUMOTO, Shigenori, TANAKA, Shingo, MORIYA, Hiroshi, MARUYAMA, Naoki, HOSHINO, Minoru, TANAKA, Naotaka, TAKEZAWA, Yoshitaka

    Published in Mechanical Engineering Journal (2021)
    “…Liquid crystalline epoxy resins have been reported to show superior mechanical and thermal properties. This high functionality is attributed to their meso- or…”
    Get full text
    Journal Article
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    Nondestructive diagnosis of thermal aging for opaque epoxy resin by optical reflective analysis by Takezawa, Yoshitaka, Akasaka, Shin-Ichi, Koyama, Tohru, Miya, Hisaichi, Shimodera, Makoto

    Published in Polymer engineering and science (01-02-1996)
    “…A novel nondestructive diagnosis using optical reflective analysis is proposed to evaluate thermally aged opaque insulating resins. Values of reflective…”
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    Journal Article
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    Preparation and thermo-mechanical properties of heat-resistant epoxy/silica hybrid materials by Yang, Peng, Wang, Guoqing, Xia, Xue, Takezawa, Yoshitaka, Wang, Haitao, Yamada, Shinji, Du, Qiangguo, Zhong, Wei

    Published in Polymer engineering and science (01-06-2008)
    “…Diglycidyl ether of bisphenol‐A (DGEBA) based epoxy/silica hybrid materials filled with various amounts of 3‐glycidoxypropyltrimethoxysilane (GPTMS) and silica…”
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    Journal Article
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    Mica Insulating Tape for Large Generators with High Thermal Conductivity by Takahashi, Ryoh, Takezawa, Yoshitaka, Fukushima, Keiji, Saito, Koichi

    “…We have developed two types of mica tapes, a resin rich (RR) tape and a vacuum pressure impregnation (VPI) tape. A RR tape is little load to the environment…”
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    Conference Proceeding