Matsuba Lab

Dep of Orgnic Material Sci & Eng, Yamagata Univ.

Matsuba laboratory

Department of Polymer Science and Engineering

Faculty of Science and Engineering, Yamagata University

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2020.3 Welcome Party for Nicolas



Professor:Go Matsuba
Bld.#6, Rm117, ex3053

Doctor Course

Tatsuya Miyajima - D1
Structure of Polymer Fuel Cell Membranes

Master Course

Yoshinari Kondo - M2
Structure about new polyurethane with new poly-ol

Ryota Sato - M2
PMMA/Fruorinated Polymer blend structure

Shunsuke Murayama - M2
Struture analysis of iomonomer with two-diffrenct cations

Hiroto Adachi - M1
Structure analysis of crystallizable polystyrene and modified polyphenylene ether blends

Misa Yogiashi - M1
Structure analysis and gellation process of Konjac grucomannan

Tomoya Okada - M1
Properties and structure of side-crystallizable polymers

Tomoka Kokuzawa - M1
Interation between PLA and water molecules with humidity controlled micro-beam FT-IR spectroscopy

Kazuki Yashiro - M1
Crystal analysis of rice starches controlled with BEII activities

Undergraduate Students

Kou Miyazaki - B4
Structual analysis during polyamide crystallization

Shiho Sato - B4 
Starch during making rice

Kaito Shima - B4
New methods of structural analysis with 3D printing

Kazuki Suzuki - B4
New materlas with crystallizable side-chain polymers

Sora Wananabe - B4
Strucure analysis of polymer fuel cell membrane during drawing

Kengo Nishiura - B4
Structure analysis of new CNF dying methods



Kun Li (PhD 2019.3)
Structure Evolution of Polymers in Shear Flow
Now: Shanghai Energy New Materials Technology Co.,Ltd.

Yunfeng Zhao (PhD 2013.9)
Structual Formation under Polymer Processing Relevant Conditions
Now: BASF Japan Ltd.

Hiroaki Imai (ME 2021.3)
Correlation between properites and strcture of formed materials
Now: Toyo Tire Corporation

Shigeki Utsuki (ME 2021.3)
Structural analysis of polymer fuel cell membranes with X-ray and neutron scattering measurements
Now: PhD course, The Graduate University for Advanced Studies

Kazuki Ohta (ME 2021.3)
Improvements for regenerated cellulose fibers treated by CNF
Now:Mitsuboshi Belting Ltd.

Akane Nagasaki (ME 2021.3)
Detailed structure analysis of gellatinization and gellation processes of potato starch
Now: Idemitsu Kosan Co., Ltd.

Genta Mase (ME 2021.3)
Crystal structure analysis and thermal properties for polyphenylene sulfide and polynonamethlene terephthalamide blends
Now: Entegris Japan Co., Ltd.

Mizuho Ishii (ME 2020.3)
Propeties of adhesive films with crystalline side-chains
Now: ThreeBond Co.,Ltd.

Shoto Kato (ME 2020.3)
Higher ordered struture of ionomers with X-ray scattering measurements
Now:NICHIAS Corporation

Hiromu Sakamaki (ME 2020.3)
Contral of phase separation and crystallization process of PMMA/fluorinated polymer blends
Now:Nifco Inc.

Keisuke Sotoyama (ME 2020.3) 
Observation of formation of bi-axial drawing films
Now: Hitachi Chemical Co. Ltd.

Akitoshi Morita (ME 2020.3)
Studies of distribution of cellulose nano-fibers in polymer films
Now: Sumitomo Riko Company Limited.

Kenta Sasaki (ME 2019.3)
Precise analysis of fuel-cell films during drying and wetting processes
Now: Altech Corporation

Takeshi Sato (ME 2019.3)
The effects of transparent nuclaer agents on crystal of isotactic polypropylene
Now: Toyota Moror East Japan, Inc.

Yurika Maeda (ME 2019.3)
Correlation between Morphlogical Change and U-shape Dyeing of Polyester Fabrics
Now: YKK AP Inc.

Yo Okawa (ME 2018.3) 
Structure on bi-drawn crystalline polymer films during drwing process
Now: Toyota Moror East Japan, Inc.

Tatsuro Okita (ME 2018.3)  
Precise Structural Analysis of Cellulose Fiber and Cellulose Nano-Fiber
Now: Munekata Co., LTD.

Kenta Takahashi (ME 2018.3)
Properties of collagen gel materials
Now: Sumitomo Riko Company Limited.

Yuto Nikaido (ME 2018.3)
Studies of the effects on nuclear agents for fiber reinforced polylactic acid
Now: Terumo Corporation

Takayuki Kobayashi (ME 2017.3)
Crystal Structure of Polyurea in various annealing conditions
Now: Sumitomo Riko Company Limited.

Soken Konno (ME 2017.3)
Detailed analysis of transparent shape-memorized gel
Now: Lion Idemitsu Composites Co., Ltd.

Yuto Akiba (ME 2016.3)
Precise structure of ethylene-type ionomers
Now: Itochu Enex, Co., Ltd.

Hiroaki Sato (ME 2016.3)
Detailed analysis of PLLA/PDLAs with synchrotron radiation x-ray beam
Now: Yokohama Rubber Co., Ltd.

Yuki Sugawara (ME 2016.3)
New method of characterization for collagen in rat bones
Now: Daihatsu Motor Co., Ltd.

Yuji Fujiyama (ME 2016.3)
Bulk and surface strcture analysis for new adhesives with crystallizable side chain
Now: Soken Chemical and Engineering, Co., Ltd.

Wataru Honda (ME 2016.3)
Molecular weight dependence of crystal structure foruniaxial drawing polyethylene blend
Now: Achilles Corporation

Masayuki Sakurai (ME 2015.3)
Precise analysis for hierarchic structure of crystalline polymers with quantum beams
Now: Mitsui Chemicals Tohcello Inc.

Yuta Chonan (ME 2015.3)
Crystallizaion of Polyurea
Now: Hitachi Chemical Co. Ltd.

Shota Nakano (ME 2015.3)
Formation Process and Structure of Poly(acrylonitrile) Gels
Now: PANAC Corp.

Sayuri Hanano (ME 2014.3):
Concentration Fluctuations of Liquid-Crystals/Polymers with Ultra Small X-ray Scattering Measurements
Now: Texas Instruments Japan Limited

Naoto Tomita (ME 2013.3):
Structure Analysis of Gelation and Phase Seaparation in PAN/DMSO/Water System.
Now: Yazaki Kako Corporation

Tatsuki Nyuui (ME 2013.3) :
Structure and Dynamics of Crystalline Polymers
Now: Mitsubishi Gas Chemical Company, Inc.

Kouta Henmi (ME 2013.3) :
Stereocomplex Formation Process of PLLA/PDLA Blends with Synchrotron Radiation X-ray Scattering
Now: Toyota Motors Corporation

Takumi Akasaka (BE 2021.3) 
Drawing process of cellulose nano-fiber composited polypropylene
Now: FIVE FOXes, CO., LTD.

Ryuto Sato (BE 2020.3)
Bulk and surface structure of transparent iPP with various nucleating agents concentration
Now: Yamagata Prefectural Police

Yusaku Suzuki (BE 2020.3)
Surface structure of new-adhesive materials
Now: ORIZON Systems Co., Ltd.

Ryosuke Wagatsuma (2020.3)
Observation of tranparent crystalline shape-memorized gels

Tomoko Shimeki (BE 2017.3)
Effect and detailed structure of tackifier in adhesives
Now: Dainichiseika Color & Chemicals Mfg.Co.,Ltd.

Miho Nagao (BE 2017.3)
Structural analysis of ion-chenge film under various conditions

Tsukasa Oumi (BE 2016.3) 
New methods of phase structure with 3D printers
Now: Japan Metals & Chemicals Co., Ltd.

Kazuki Tsukahara (BE 2016.3) 
Temperature-sensitive adhesion structure
Now: Yamagata City Office

Nao Inoue (BE 2015.3)
Morphology of poly(lactic acid) dependence on concentration of nuclear agents Now: ADVANEX Inc.

Noriharu Hayashi (BE 2015.3)
The Effects of Tackifier in Adhesions of crytallizable side-chain copolymer Now: Nanbu Plastics Co., Ltd.

Toshihito Sasaki (BE 2014.3)
Fillers Distribution in Rubbers with X-ray Scattering Measurements
Now: ITEC Corporation

Wataru Sato (BE 2014.3)
Improvement of nucleation agents for PLA
Now: YAGAMI Co., Ltd.

Yasuhiro Akama (BE 2013.3)
Air Surface of New Adhesion on Ultra-thin Films
Now: YUSHIN co. ltd.

Tetsuya Abe (BE 2012.3)
Structural Analysis of Biaxial Oriented Film
Now: Kokoku Intech Co.,Ltd.

Yuki Itagaki (BE 2012.3)
Surface Sructure Analysis of Intelimer Tape
Now: Yamagata Casio Co., Ltd.

Kei Sakurada (BE 2012.3)
PLA Phase Transition and Crystallization under Shear Flow
Now: Kyocera Corporation

Tatsuro Nishimura (BE 2012.3)
Structure of UV Hardened Intelimer
Now: Canon Imaging Systems Inc.

Kohei Hayasaka (BE 2012.3)
Structure Formation Process "During" Shear Flow of Polypropylene
Now: Tohoku Ricoh Co., Ltd.

Yasuhiro Chiba (BE 2012.3)
In-situ Observation under Shear Flow of Crystalline Polymers

Hiroki Inoue (BE 2011.3)
Surface Analysis of New Adhensive
Now: Dexerials Corporation

Ryuichi Yamaki (BE 2011.3)
Structural Analysis of New Adhensive


Nicolas Maria (Guest Researcher from EHU/UPV, 2020.3-2020.5)

For Postdoc or Graduate Students who want to study in our lab

Now, we look for colleagues who study and research in our laboratory.
1)Polymer crystallizaion in wide space range
2) Effect of external field on polymer structural formation process
3) New scattering method (neutron, x-ray and laser)
4) Polymer composites
5) New polymer processing and observation
If you have some interests of this field, please send e-mail/phone/fax.
e-mail: gmatsuba(at)
Tel/Fax: +81-238-26-3053

Junior (B3) student of my departments

Now, welcome to visit my laboratory whenever for "Proposal of Research (3rd-year)" and "Graduation thesis (4th)".