Andriy Gryshchenko Email & Phone Number

Toronto, Ontario, Canada

• Formulation of polyurethane foams to develop products for footwear, textile, and automotive applications. • Provide technical service for foam manufacturing and scale-up of processes; troubleshooting and improving polyurethane foam properties.• Design of processes for chemical modification of plant-based materials and synthesis.• Sourcing bio-based materials.

Ontario, Canada

Formulation: • Formulation of coatings, wood stains, adhesives, pigment dispersions, and specialty additives; • Solving surface defects, incompatibility, viscosity, and poor stability problems;• Improving water and chemical resistance, hardness and mechanical durability;Processes:• Design, optimization, simplification, and scale-up of processes for synthesis and blending; • Design of process control plans (chemical & physical testing);• Working with mixing equipment (high-speed disperser, bead mill, Hoc Mayer grinder);• Cooperation with Plant Team on scale-up efforts.Material Characterization and Chemical Analysis:• Mechanical and destructive testing of coatings, adhesives, and materials: flexibility, adhesion, hardness, scratch, abrasion, rub resistance, tensile strength (Instron, ABES); • Chemical testing: Titrations, Karl Fisher, FTIR, GPC, GC-MS;• Chemical and water resistance, QUV weathering, surface analysis (contact angle), size of emulsions and dispersions (DLS);• Maintenance, troubleshooting, and calibration of analytical instrumentation;• Knowledge of theory of analytical methods not only for the operation of ASTM methods but also for the design of customized test procedures (e.g., for quick screening studies, synthesis monitoring, and QC of new products).New Product / Process Development:• Practicing Lean Six Sigma principles: e.g. Voice of the Customer (VoC), prioritization, A3 problem solving, benchmarking, DMADV;• Design of experiment (DOE), statistical analysis and modelling with Minitab; • Optimizing balance between CTQs (Critical to Quality);• Support customers and Technical Service regarding new product application.Communication: • Support marketing department in commercialization of TWO new products;• Giving presentations to Sales and customers;• Preparation of technical documentation (TDS, QC procedures);• All levels of report writing, including applications for government funding.

Milton, Ontario, Canada

Research:• Formulation and synthesis with sustainability and regulatory compliance goals: use low toxic and bio-based components, elimination of organic solvents (VOC), reactions and cross-linking in water, elimination of isocyanates and formaldehyde derivatives.• Formulating and testing protective and functional coatings for novel applications of newly developed additives.• Practical knowledge of a wide range of binders (latices, alkyds, isocyanates, polyols, epoxy, modified carbohydrates); additives and specialties (wetting agents, dispersants, surface additives, defoamers, surfactants, water compatible and metal cross-linkers).• Sourcing raw materials for manufacturing and research.Synthesis:• Synthesis of acrylic resins, polyurethane water based dispersions, alkyd resins, modified natural oils, and block copolymers;• Chemical modification of bio-based polymers in aqueous media.QC/QA:• Assisting QC in pigment dispersion manufacturing during high work loads; • Study on reduction of errors and uncertainty of QC test procedures;• Color measurements and paint tinting.Project Leader:• Search for new applications of nanoparticles;• Literature search to keep abreast with the advances in Coatings and Adhesives, particularly in water and bio-based technologies. Generation of creative solutions that lead TWICE to new projects;• Commercialization of a new product concept from an Ontario’s university;• Consulting (other departments) and training (new co-workers, interns).

St. John'S, Nl, Canada

Materials Science:• Synthesized a large number of polymeric formulations based on different polymerization techniques (UV curing, bulk, precipitation) using acrylic monomers, solvents, and additives;• Fabricated porous polymeric films using “sandwich” approach for microfluidic devices;• Synthesized and studied silver and gold nanoparticles to obtain SERS sensing substrates.Chemical Analysis: • HPLC, mass spectrometry (ESI, APCI, DESI), UV-Vis, TGA, GC-MS. Designed customized testing procedures and experimental methodologies;• Selection and synthesis of fluorophores and chromophores for direct detection on polymeric films with fluorescence spectroscopy and Raman microscopy.• Troubleshooting laboratory equipment, design and construction of accessories for instruments. Leadership and Communication:• Planned project activities on development of Molecularly Imprinted Polymers for selective concentration of environmental contaminants from water;• Supervised and trained students during laboratory classes and research projects.

Doctor Of Philosophy (Phd), Analytical Chemistry And Polymer Science

Thesis: "Development and Evaluation of Novel Molecularly Imprinted Thin-Films for Phenol and Application of Direct Spectroscopic Detection.

Six Sigma Green Belt (120 Hours)

Master Of Science (Msc), Analytical Chemistry And Education, Diploma With Distinction

Bachelor Of Science (Bsc), Chemistry And Education, Diploma With Distinction

Thesis: "Estimation of Uncertainty in Atomic Absorption Spectroscopic Analysis of Iron in Wine"