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Adhesion Bonding, Plastic Surface Treatments, Plastics Decorating, Finishing, Coating, Laser Marking
Expert has extensive experience diagnosing adhesion problems and implementing cost effective solutions for bonding/ joining like and dissimilar materials. He received a US patent for a bonding process which yields superior adhesion strength forces for commercial and military products. His…
Plastics Fracture Mechanics, Plastics Service Performance, Plastics Wear, Plastics Friction
Expert has developed a criterion for the prevention of rapid crack propagation in plastic pipes. He developed a formula for calculating slow crack propagation as a function of the stress intensity factor. He developed a method of prediction of ductile-brittle…
Wood Science, Wood Chemistry, Wood Coatings, Recycling
Expert has been involved in research in weathering of wood for the past 20 years. He studies wood discoloration, surface oxidation, and surface protections. He uses electron spin resonance to characterize free radicals (formation, termination) and mechanisms of weathering. He…
Polyurethanes; Crystalline Polymers; Dielectric Properties; Ion-containing Polymers
Summary: Although I retired from Penn State in July '18, I continue to be engaged in the scientific / technical side of polymer science and engineering. I am more actively seeking external consulting opportunities, including serving as an expert witness.…
Polymer Additives, Agrochemicals, Flame Retardants of Polymers and Textiles, Phosphorus Chemistry
FLAME RETARDANCY OF POLYMERS AND TEXTILES; FABRIC FLAMMABILITY. Expert has over 30 years of experience in the design, synthesis, and formulation of flame-retardant additives, reactives, monomers, and textile finishes. He invented several successful commercial products used in the field, and…
Plasma-Aided Manufacturing
Expert has been involved in the development of a number of features for these devices. These include the dual cell, programmed swept radio frequency excitation, external ion injection, and mass separation. He has also been able to utilize this concept…
Electrical Ceramics, Ceramic Capacitors, Ceramic Processing, Ferroelectrics, Piezoelectrics,
Expert has 50 years of experience in ceramic processing and properties of electrical ceramics, including capacitors,multilayer ceramic capacitors, insulators, dielectrics, inductors, resistors, thermistors, sensors, transducers, varistors, superconductors, and thin-layer capacitors. He has 10 years of industrial experience and 36 years…
Polymer Photochemistry
Expert' primary area of expertise is photochemistry, especially polymer photochemistry. In particular, he is interested in photoinitiator and photoinitiation design, two and three-dimensional imaging technologies, photodegradation, photostabilization, and any of several areas related to the interaction of light with polymers…
Environmentally-Compatible Polymers
Expert is an expert in environmentally-compatible materials, including biodegradable plastics and polymers, plastic environmental effects, plastic non-hazardous solid waste management, paper coatings, and moisture barrier material. He has conducted research on the design and engineering of new biodegradable materials that…
Organic Coatings: Comprehensive Knowledge of the Theory and Practice
COATINGS; LIQUID COATINGS; POLYMER COATINGS. Expert has over 40 years of research, development, and teaching experience in coating technology. He was trained as an organic chemist but switched to synthetic polymer chemistry early in his career. While his experience in…