hnnhnnPA6（e.g., crystals for frequency conversion）1mmSmall optical disc（To fabricate for Miniature optical devices）Development of Fine-structured Plastics/Composites Investigation on molecules for specific functionsInvestigation on molecular orientation in the aggregatesAppropriate fabrication for the functional devicesContentContent：Maingoalofourresearchistoclarifyandcontrolthedevelopmentof Main goal of our research is to clarify and control the development higher-orderinpolymericof higher-order structure and engineering properties in polymeric materials through various processing technologies. Our research materialsthroughvariousprocessingtechnologies.Ourresearchprojects cover various types of polymer processing, such as fibers/projectscovervarioussuchasfilms drawing, hot embossing, injection molding, composites, 3D printing fibers/filmsdrawing,hotembossing,injectionmolding,composites,technology etc. Particularly, we have been concentrating our effort on exploring the 3Dprintingtechnologyetc.mechanism of structural formation in the molding process, in which Particularly,wehavebeenconcentratingoureffortonexploringthepolymer materials are produced under high shear stress and high mechanismofstructuralformationinthemoldingprocess,inwhichpressure. We are also conducting researches on plastics device with high functional performance via these molding processes, and on polymermaterialsareproducedunderhighshearstressandhighstructural analysis of these plastics products. pressure.Wearealsoconductingresearchesonplasticsdevicewithhighfunctionalperformanceviathesemoldingprocesses,andonSELECTED RESEARCH TOPICSstructuralanalysisoftheseplasticsproducts.PrintingSpecial objectivesAppealing point: We have focused on industry-government-academia collaboration Wehavefocusedonindustry-government-academiacollaborationandhaveand have achieved various results and efforts in some research achievedvariousresultsandeffortsinsomeresearchprojectslongtime.Weprojects long time. We will continue our research and education on manufacturing that aims to add high value products to local, regional, willcontinueourresearchandeducationonmanufacturingthataimstoaddand domestic plastics industry. highvalueproductstolocal,regional,anddomesticplasticsindustry.ContentContent：Ourresearchtopicsincludemoleculardesignsforspecificoptical Our research topics include molecular designs for specific andelectronicfunctions,molecularorientationalcontroltomaximizeoptical and electronic functions, molecular orientational themolecularproperties,themolecularcontrol to maximize the molecular properties, and aggregatesappropriateforthedevices.Examplesareorganicionicpreparation of the molecular aggregates appropriate for the devices. Examples are organic ionic crystals for terahertz-crystalsforterahertz-waveemittersusingthesecond-ordernonlinearwave emitters using the second-order nonlinear optical (NLO) opticalferroelectricity,organicmulti-effects or for ferroelectricity, organic multi-component componentcrystals,high-performanceelectroopticpolymersforcrystals, high-performance electrooptic polymers for optical opticalmodulation,and-conjugatedpolymercrystals,preparedbymodulation, and π-conjugated polymer crystals, prepared by thesolid-statepolymerization,forconductingpropertiesorforthe solid-state polymerization, for conducting properties or ultrafastopticalswitchingbythethird-orderNLOeffects.for ultrafast optical switching by the third-order NLO effects. Appealingpoint：WehavebeenperformingalotofexperimentsonoptimizationofSpecial objectivesmolecularalignmentinthecrystals,preparationoforganiccrystals We have been performing a lot of experiments on optimization withthesizerangingfromnanometerstomillimetersbyimprovingof molecular alignment in the crystals, preparation of organic crystal-growthconditions,dispersionofmoleculesandnanocrystalscrystals with the size ranging from nanometers to millimeters by withappropriateorientationinpolymers,andreactionandstructureimproving crystal-growth conditions, dispersion of molecules and analysesinthesolidstate.Theseexperiencescanbeappliedfornanocrystals with appropriate orientation in polymers, and developmentofavariousorganicfunctionalmaterials.reaction and structure analyses in the solid state. These experiences can be applied for development of a various organic functional materials.Yamagata UniversityGraduate School of OrganicMaterialsScienceResearch Interest：Organic Materials ChemistryYamagata University Graduate School of Organic Materials ScienceE-mail ：okadas@yz.yamagata-u.ac.jpResearch InterestOrganic Materials ChemistryTel ：+81-238-26-3741E-mail ・ okadas@yz.yamagata-u.ac.jpHP ：http://polyweb.yz.yamagata-u.ac.jp/~okadalab/Tel ・ +81-238-26-3741HP・http://okada-lab.yz.yamagata-u.ac.jpPrecise Fabrication Tech. for Injection Molding / Nanoimprint / 3D Engineering Properties/ Structures for Various Composites Automotive Plastics (Processing / Eng. Properties / Structures) Yamagata University Graduate School of Organic Materials ScienceYamagata University,Graduate School of Organic Materials ScienceResearch Interest ：Polymer Processing, Research InterestEngineering Properties and Structure, Polymer CompositesPolymer Processing, Engineering Properties and Structure, Polymer CompositesE-mail：Tel & Fax: +81-238-26-3081 E-mail ・ ihiroshi@yz.yamagata-u.ac.jpTel & Fax ・ +81-238-26-3081HP：http://pep.yz.yamagata-u.ac.jpHP・http://pep.yz.yamagata-u.ac.jpetc....etc….PCNano-pattern Fabrication （Controlled Interference colors via surface replication）[Keywords: injection molding, polymer blends/composites, low environmental impact, toughness improvement]■■■■■■■■■■■■■■■■■■■■■■ffff■■■■■■■■■■■■■■■■■■■■10mmApplication of plastic products to the medical fieldExcellentResearch flow on organic materials for photonicsExcellentFairGoodNoneffectiveMolecular design and synthesisMolecular orientation controlAnalyses on reactions and structures in the solid statePreparation of organic crystals and polymer dispersionsNano-scale fiber processing (Proposal of new processing technology and fundamental research of surface functionalization)100 mmmMicromolding for micro/nano-compositesSELECTED RESEARCH TOPICS ✓Precise Fabrication Tech. for Injection Molding / Nanoimprint / 3D Printing✓Engineering Properties/ Structures for Various Composites ✓Automotive Plastics (Processing / Eng. Properties / Structures) structureandengineeringpropertiesihiroshi@yz.yamagata-u.ac.jp (NLO)effectsortypesofpolymerprocessing,andpreparationofforPrecise Polymer Processing for New Manufacturing TechnologyPrecise Polymer Processing for New Manufacturing TechnologyKeywords [ injection molding, polymer blends/composites, low environmental impact, toughness improvement ]Professor Hiroshi ItoHigh-Performance Organic Materials for Photonics and ElectronicsProfessor Shuji OkadaProfessor Shuji OkadaHigh-Performance Organic Materials for Photonics and Electronics
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