Faculty Profiles - YAMAMOTO Tetsuya

Papers - YAMAMOTO Tetsuya

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Dispersion of Nano-materials in Polymer Composite Materials Reviewed International coauthorship

Tetsuya Yamamoto, Yuya Takahashi, Naoya Toyoda

MATEC Web of Conferences Vol. 333 page： 11003 - 11003 2021.1

Authorship：Lead author,　Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：{EDP} Sciences

Polymer composites materials are the subject of extensive studies because of their novel properties compared with their constituent materials. Dispersion stability of sub-micron sized particles in the medium is important from the point of colloidal views. In the present study, dispersion of nano-materials in the matrix polymer is one of the most important problems to enhance their mechanical properties. We tackled this problem to carry out surface modification of the nano-materials, such as carbon nano tubes (CNTs), using amphiphilic polymers, poly<italic>N</italic>vinylacetamide (PNVA), synthesized thorough radical polymerization. Hydrogen bond worked between PNVA onto the modified nano-materials and hydrophilic matrix, such as polyvinyl alcohol (PVA), to enhance surface adhesions and dispersions of the nano-materials in the matrix. As a result, the mechanical properties of their composites materials were strengthened. When CNTs were used in PVA, the transparency of the composite was also increased due to improvement of their dispersions. In addition, if the CNTs formed the networks in the composites, the highly conductive and transparent polymer composite films were fabricated.

DOI： 10.1051/matecconf/202133311003

Creating a laminated carbon fiber-reinforced thermoplastic using polypropylene and nylon with a polypropylene colloid Reviewed

Tetsuya Yamamoto, Yusuke Ota

Composite Structures Vol. 255 page： 113038 - 113038 2021.1

Effects of carbon nanofibers on carbon fiber reinforced thermoplastics made with in situ polymerizable polyamide 6 Reviewed

Toshihira Irisawa, Masataka Shibata, Tetsuya Yamamoto, Yasuhiro Tanabe

Composites Part A: Applied Science and Manufacturing Vol. 138 page： 106051 - 106051 2020.11

Synthesis of Porous Carbon Hollow Particles from Polymer Hollow Particles Invited Reviewed

Yusuke Kawai, Tetsuya Yamamoto

Journal of the Society of Powder Technology, Japan Vol. 57 ( 8 ) page： 412 - 416 2020.8

Making hollows using nitrogen gas emitted by the decomposition of VAm-110 in polystyrene particles Reviewed

Tetsuya Yamamoto, Kazuya Tsutsumi, Yusuke Kawai

Polymer Vol. 202 page： 122761 - 122761 2020.8

Relationship between dispersion-forming capability of poly(4-vinylaniline) colloids and antimicrobial activity Reviewed

Tetsuya Yamamoto, Ryo Furuta, Kenji Arakawa, Aiko Teshima

Colloids and Surfaces A: Physicochemical and Engineering Aspects Vol. 596 page： 124736 - 124736 2020.7

Improved metal-resin adhesion via electroplating-induced polymer particle adsorption Reviewed

Yusuke Ota, Tetsuya Yamamoto

Surface and Coatings Technology Vol. 388 page： 125591 - 125591 2020.4

Synthesis of porous carbon hollow particles maintaining their structure using hyper-cross-linked Poly(St-DVB) hollow particles Reviewed

Yusuke Kawai, Tetsuya Yamamoto

Advanced Powder Technology Vol. 31 ( 2 ) page： 614 - 620 2020.2

自動車用金属部材/CFRTP界面の接着向上技術の開発

山本徹也

公益財団法人天野工業技術研究所平成30年度年次報告 page： 88 - 94 2019.12

Controlling Porous Hollow Silica Particles through Soap-free Emulsion Polymerization with Polymer Core Particles Reviewed

Tetsuya Yamamoto, Yuya Takahashi

Chemistry Letters Vol. 48 ( 10 ) page： 1229 - 1231 2019.10

Influence of the size of polystyrene synthesized through soap-free emulsion polymerization on antimicrobial activity Reviewed

Tetsuya Yamamoto, Kenji Arakawa, Ryo Furuta, Aiko Teshima

Materials Today Communications Vol. 20 page： 100572 - 100572 2019.9

Synthesis of dimpled and submicron-sized polymer particles of different morphologies using free micromixer Reviewed

Yusuke Kawai, Tetsuya Yamamoto

Colloid and Interface Science Communications Vol. 32 page： 100193 - 100193 2019.9

Development of Surface Control Technique for Enhancement and Recycle of CFRTP

Vol. 72 page： 190 - 191 2019.5

Preparation of PVA/Polymer Colloid nanocomposite Hydrogel Using PS-PNVA Particles Reviewed

Naoya Toyoda, Tetsuya Yamamoto, Kenji Arakawa, Aiko Teshima

Chemistry Letters Vol. 48 ( 4 ) page： 378 - 381 2019.4

Effect of Initiator Charge on Dispersion Stability of Polymer Particles Formed by Soap-free Emulsion Polymerization of 4-Vinylaniline or 4-Vinylpyridine Reviewed

Tetsuya Yamamoto, Ryo Furuta, Yusuke Kawai

Chemistry Letters Vol. 48 ( 3 ) page： 208 - 210 2019.3

Synthesis of Polystyrene@Silica Particles through Soap-Free Emulsion Polymerization and Sol-Gel Reaction on Polymer Surfaces Reviewed

T. Yamamoto, and Y. Takahashi

Advanced Powder Technology Vol. 30 ( 1 ) page： 214 - 218 2019.1

界面特性を強化した熱可塑性炭素繊維強化プラスチックの作製

山本徹也

東燃ゼネラル石油研究奨励財団研究報告書 Vol. 20 page： in press 2018.12

Antimicrobial activities of low molecular weight polymers synthesized through soap-free emulsion polymerization Reviewed

Yamamoto, Tetsuya, Arakawa, Kenji, Takahashi, Yuya, Sumiyoshi, Miho

European Polymer Journal Vol. 109 page： 532-536 2018.12

Antimicrobial activities of polymers synthesized through soap-free emulsion polymerization using a cationic initiator and styrene derivative monomers Reviewed

Yamamoto, Tetsuya; Arakawa, Kenji; Furuta, Ryo; Teshima, Aiko

Chemistry Letters Vol. 47 ( 11 ) page： 1402-1404 2018.11

Dispersion of carbon nanofibers modified with polymer colloids to enhance mechanical properties of PVA nanocomposite film Reviewed

Toyoda Naoya, Yamamoto Tetsuya

Colloids and Surfaces a-Physicochemical and Engineering Aspects Vol. 556 page： 248 - 252 2018.11

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Papers - YAMAMOTO Tetsuya