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Dive into the research topics where Akira Yoshimatsu is active.

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Featured researches published by Akira Yoshimatsu.


Kobunshi Ronbunshu | 1993

Utilization of Monodisperse Polymer Particles as Spacer Particles for Liquid Crystal Display.

Katsuhiko Rindo; Akira Yoshimatsu

液晶層の均一性を左右するスべ一サとして, 単分散性が高い高分子微粒子を応用した報告例はない. 本研究では, 促進拡散シード重合法 (ADシード重合法) により得られた単分散ポリマービーズを微小圧縮試験機を用いてその粒子1個の圧縮挙動を測定した. この荷重一変位の関係から, スべーサ1個の強度を示す指標となる10%圧縮弾性率を定義するとともに, 粒子径分布, 圧縮弾性率または, 散布個数を考慮した系でスべーサ粒子とパネルのセル厚との関係についてシミュレーションを行った. その結果, 1) 単分散性が高いスペーサほどビーズ散布個数の変動に対してもセル厚の乱れが少ない, 2) 圧縮弾性率が高く粒子径分布が狭いスペーサほど優れたセル厚の均一性を発揮することが確認できた. さらに, これらの結果と実際のパネル組立後の評価結果とが良い一致を示した.


Archive | 1994

Organopolysiloxanes and a method of setting hair using the same

Koji Yui; Mari Takeshige; Takashi Oda; Akira Yoshimatsu; Takashi Itou; Nakako Sato; Naohisa Kure


Archive | 1994

Organopolysiloxane, hair-setting composition containing same, and setting method for hair using the same

Naohisa Go; Katsuhiko Hayashifuji; Takashi Ito; Taku Oda; Hisako Satou; Mari Takeshige; Akira Yoshimatsu; Koji Yui; 隆司 伊藤; 央子 佐藤; 明 吉松; 尚久 呉; 克彦 林藤; 幸治 湯井; 真理 竹重; 卓 織田


Archive | 1989

FINE HOLLOW POLYMER PARTICLE, PRODUCTION AND USE THEREOF

Yukihiro Fukuyama; Akihiro Kondo; Yutaka Shibata; Rikio Tsushima; Akira Yoshimatsu


Archive | 1992

LIQUID CRYSTAL DISPLAY WITH SPACER HAVING ELASTIC MODULUS IN COMPRESSION OF 370-550 KG/MM2 AT 10% DISPLACEMENT OF DIAMETER

Hiroshi Takanashi; Tadashi Nishimori; Katsuhiko Rindo; Akira Yoshimatsu


Kobunshi Ronbunshu | 1993

Preparation of Monodisperse Polymer Particles by "Accelerated Molecular Diffusion Method".

Akira Yoshimatsu; Tukasa Ito; Akihiro Kondo; Rikio Tsushima


Archive | 1988

Process for preparing uniformly sized, fine particles of polymer

Akira Yoshimatsu; Akihiro Kondo; Rikio Tsushima


Archive | 1985

Rod-shaped polymer latex, rod-shaped polymer fine powder and dispersion comprising the fine powder dispersed in non-aqueous medium

Kaoru Tsujii; Akira Yoshimatsu


Archive | 1998

Spacer particles for a liquid crystal display and liquid crystal display using such particles

Hiroshi Takanashi; Tadashi Nishimori; Katsuhiko Rindo; Akira Yoshimatsu


Archive | 1992

Fine particles of crosslinked vinyl polymer and process for producing the same

Tadashi Nishimori; Katsuhiko Rindo; Akira Yoshimatsu

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