Seonghyun Park

Working at MLCC Process Architecture Lab - Drive innovation in sustainable methods and processes for multilayer ceramic capacitor (MLCC) manufacturing - Develop low-energy milling processes to enhance ceramic powder preparation for MLCC manufacturing - Characterize ceramic slurries and green sheets using advanced analytical techniques

Served as a consultant for multiple companies developing processes to convert biomass-derived materials into value-added products - Optimized extrusion processing conditions for thermoplastic starch (TPS) production from batch to pilot scale - Developed and validated polymer blending techniques for producing biodegradable plastics based on TPS and polylactic acid (PLA) - Established analytical and mechanical characterization methods to assess the performance of the resulting materials - Designed and optimized processes for converting discarded railroad ties into high-value recycled materials

Exploring Opportunities for the Valorization of Agro-Industrial By-Products - Production of Cellulosic Materials for Use in Packaging, Food, and Pharmaceutical Applications

Optimizing Formulations for Cellulose-Based Hydrogels Exploring Potential Applications of Cellulose-Based Hydrogels Characterization of Dissolving Pulps and Lignocellulosic Polymers with a Focus on Cellulose Derivative Production

Working at Bioenergy and Biomaterials Labs • Characterization of Dissolving Pulps Obtained from Alternative Resources * Investigation of Physicochemical Properties of Dissolving Pulps using Bauer-MacNett Fiber Classifier, Fiber Quality Analyzer (FQA), Optical Microscope, and Scanning Electron Microscopy (SEM) • Chemical Modifications of Lignocellulosic Polymers (e.g., Cellulose, Hemicelluloses, and Lignin) * Synthesis of Cellulose and Hemicellulose Derivatives * Characterization of Cellulose and Hemicellulose Derivatives using UV-VIS, NMR, FT-IR, SEM-EDS, GC, HPLC, ToF-SIMS, TGA, DSC, and XRD. • Elucidation of Insoluble Gel Particle Formation Mechanism during Cellulose Ester Industrial Production * Investigation of Roles of Impurities in a Dissolving Pulp and Cellulose Ester Production Processes in the Formation of Insoluble Gel Particle • Development of New Procedure for Production of Cellulose-Based Hydrogels * Development of New Pathway for Formulation of Cellulose-Based Hydrogels * Optimization of Cellulose-Based Hydrogel Production * Characterization of Cellulose-Based Hydrogels using UV-VIS, FT-IR, Elemental Analyzer, TGA, DSC, XRD, Instron, and Rheometer • Demonstration of Potential Applications of Cellulose-Based Hydrogels 1. Fabrication of Hydrogel Scaffolds for Tissue Engineering through 3D Printing Characterization: Rheometer, Instron, FT-IR, and Elemental Analyzer 2. Development of Hydrogel Tablets for Drug Delivery Characterization: UV-VIS, FT-IR, TGA, DSC, Elemental Analyzer, and Rheometer. 3. Production of Edible Coating Characterization: UV-VIS, FT-IR, TGA, DSC, Elemental Analyzer, Contact Angle Analyzer, SEM, XRD, Instron, and Rheometer.

• Worked at Cellulose Ester Process Technology Group • Validation and optimization of a new testing method to estimate the quality of cellulose esters from features of cotton linter pulps * Development of standard operating procedure (SOP) for the test • In-depth investigations of behaviors and roles of impurities affecting the cellulose ester production * Development of a method for modulating the molecular weight of hemicelluloses using a microwave reactor * Optimization of the synthesis conditions for hemicelluloses acetate using NMR

• Worked in Process Technology Team 1 • Management of the pilot line for polarizing films production * Management of experiment plans for the pilot line * Conducting pilot-scale experiments and providing solutions to production line issues * Trouble shooting an issue that happened due to the refractive index of UV-curable adhesives * Invention of a new type of poly vinyl alcohol (PVA) stretching process named ‘semi-dry stretching’ for polarizing film production * Process condition optimization for specialty polarizing film pilot production with a new strength-enhancing additives * Prototype production of polarizing films for flexible displays • Participating in polarizing film production projects using 20 μm PVA * Process condition optimization for the production of polarizing films using 20 μm PVA (First-time success in the polarizing film industry by employing the stretching method) * Setting up a new polarizing film production line in Nanjing, China * Installment and pilot operation of real-time in-line chemical concentration measurement in production lines • Participating in specialty polarizing film production projects * Process condition optimization for specialty polarizing film production with new strength-enhancing additives * Enhancement of thermal stability of specialty polarizing films at 105 °C from 5 days to 14 days * Development of a method for expedited thermal stability test for specialty polarizing films, reducing a test period from 21 days to 7 days * Process condition optimization for the production of polarizing films for OLED displays