Find an Expert
Adhesives
Expert has developed, manufactured, marketed, and sold polymeric additives (polyamides) which are formulated into PVC plastisols/organosols to promote adhesion of the PVC coating to various substrates. Expert also has PVC formulating experience required to design products which are used as…
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…
Economics of Polypropylene, Polyolefins, and Catalysts
Expert has over 20 years of experience with a leading petrochemical company (Amoco) that includes participation on design teams for four polypropylene projects, two manufacturing plants for Ziegler-Natta supported catalyst, and a polystyrene project. He is co-designer of the original…
Chemistry
Expert has experience synthesizing and characterizing novel electrophilies, i.e., classical and nonclassical carbocations, carbodications, halonium ions, oxonium ions, thioacylium ions, selenonium ions and nitrenium ions in low nucleophilicity highly superacidic solvent systems using low temperature NMR spectroscopy. He has studied…
Medical Diagnostic Tests
MEDICAL DIAGNOSTIC TEST FORMULATING; ORGANIC SOLVENT; SEMISYNTHETIC POLYMER. Expert has spent 21 years engaged in adapting analytical techniques to the quantitative analysis of medically significant substances. This has involved combining pH buffers, enzymes, chromogens, and stabilizers to make a marketable…
Polymer Coating Technologies
Expert has designed numerous formulations serving commercial and industrial coating needs. Expert has experience in the development of coating products for graphic arts, inks, paints, lacquers, elastomerics, adhesives, chemically resistant coatings, decorative coatings, photosensitive coatings, anti-corrosive, and abrasive coatings. The…
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.…
Process Chemistry – Fragrances – Fluorine Chemistry
A significant portion of Expert's career has been spent in the organofluorine industry. He has been active in the manufacture of fluorinated organic chemicals since 1958, and is very familiar with fluorine and hydrofluoric acid technology. He has extensive experience…
Failure Analysis of Materials
MATERIAL FAILURE ANALYSIS; ADHESIVE FAILURE; COMPOSITE FAILURE; METAL FAILURE. Expert's (pronounced Wall-teen) principal occupation has been in the analysis of failures of machine components, including orthopedic (surgical) implants. Materials analyzed include metals and alloys of all types, polymers, elastomers, composites,…
Polymerization Reaction Engineering
EMULSION POLYMERIZATION; FREE RADICAL POLYMERIZATION; ACRYLATE; ADDITION POLYMERIZATION. A good deal of Expert's academic and industrial work has been in the area of reactor engineering for emulsion and miniemulsion polymerization systems. Of special interest are the choice of reactor configuration…