Darryl Williams

About Darryl Williams

Energetic innovator with experience in organic, organometallic, polymer, and inorganic chemistry. Applied to photochemistry, phosphors, nanomaterials synthesis. Experienced tribologist with a focus on surface roughness, chemical modification, friction and wear performance. SYNTHETIC CHEMISTRYFundamental understanding of bonding/structural relationships with chemical reactivityDemonstrated synthetic routes to and explained reactivity patterns among complexes with multiply bonded ligands, including cyclopentadienyl, oxo, imido, nitrido, alkylidene, alkylidyne, olefin, and alkyne; based on fundamental electronic structureDiscovery and elucidation of unusual reactivity patterns and structures in TM compoundsLigand design for inorganic/organometallic complexes – polydentate amines, alkoxides, amides, imides, etcInnovative syntheses from TM oxides to multiply bonded ligand complexes, and clean interconversions of low (M0) and high oxidation states (d0)NANOMATERIALSDeveloped innovative synthetic methods for preparation of oxide, semiconductor, and metal nanoparticles/colloids in gas-phase, aqueous, solvent, and emulsion mediaExperienced with particle comminution including various sonication and milling processesDeveloped novel polymeric dispersants with high surface adsorption affinitiesCo-developed novel SERS reporter particles utilizing bound antibody targettingPOLYMERS AND CATALYSISRadical Zeigler-Natta olefin polymerization catalyst design from simple materials: from concept demonstration to pilot scale production of LLDPE resins at sub-ppm Ti contentRelationships between LLDPE products and multi-site catalyst reactivity, catalyst optimizationDeveloped nucleating agents to control polymer melt crystallizationPHOSPHORSDiscovered novel d0 TM luminescent molecules, established theoretical concepts for understanding and controlling photochemical and synthetic implicationsPhosphors – Doped inorganic oxide phosphors (nano-scale and micron scale powders), semiconductor nanophosphors, small molecule organometallic phosphorsSpecialties: Exceptional skill with air-sensitive materials, organometallic, organic, inorganic, non-aqueous, aqueous and solid-state Non-coordinating anion design, synthesis, and applicationPreparation, purification, application of ionic liquidsNanoparticle encapsulation, surface modificationHydrosilation, epoxy, polyester, LCP, catalysisPolymer processing, characterizationCeramic processing of complex oxide phases, doped systems, crystallite, particle size controlPhotophysical analysis, measurement

Experience

1. Senior R & d Scientist

   Afton Chemical

   Dec 2011 — Present

   Invented novel wear protection technology for lubricant applicationsCommercialized new dispersants for lubricant applications. Lubrication science applied to wet clutches – including new chemical development, and rig test developmentApplied Tribology to lab test development; invented tests that model engine and clutch performance for rapid prototyping and lower cost/shorter development timeInvented several new techniques for evaluating clutch performance and failureLed several projects with budgets ranging from $500M -$5MMAlign R&D and Manufacturing on component performance, manufacturing and developmentProject Leader on Research, Product Development, and Change Management ProjectsApply Multivariate, Design of Experiments, and other statistical analysis techniques to failure mode analysis, product development, and novel material development

Education

• Massachusetts Institute of Technology

  Ph. D., Chemistry

  1989 — 1992

• University of Delaware

  Honors B. S., Chemistry

  1985 — 1989

Skills

• Materials Science
• Formulation
• Nanoparticles
• Colloids
• Chemistry
• Laboratory
• Design of Experiments
• Inorganic Chemistry
• Preparation
• Patents
• Analytical Chemistry
• Catalysis
• Nanomaterials
• Organometallic Chemistry
• Polymers
• R&D
• Product Development
• Fluorescence
• Characterization
• Organic Chemistry
• Materials
• Science
• Nanotechnology
• Purification
• Coatings