3D Printing Plasma Chemistry, Polymer Synthesis and Development Expert

Technical Consultant #2270


Expertise

  • Chemical synthesis in research and development, product development, process development, polymer synthesis, polymer processing, elastomers, emulsion polymers and latex technology as well as plastic technology and plastics for the industrial and academic industries.
  • Synthesizing and formulation of acrylic and methacrylic polymers, resist synthesis and processing development of strippers and cleaners for semiconductor devices.
  • Management of REACH and TSCA impact in product development.
  • Synthesis, processing, development and formulation of acrylates and methacrylates latex polymers.
  • Formulation of the acrylates latex with other additives for coating of photographic films.
  • Acrylates blending and other polymers improving surface defects of coated films.
  • Carbon-acrylic emulsion formulation for coating the black base of photographic film black base.
  • ISO certification process.
  • Pilot plant and scale-up process laboratory management.
  • Analytical testing techniques such as FTIR, NMR, TGA, DSC, and GC/MS.
  • Statistical process control (SPC) in the manufacturing process.
  • Rheological effects of different addition additives were evaluated in different acrylic formulation.
  • Leading research and development organizations for leading specialty chemical firms.
  • Provide a solid track record of delivering significant profit
  • Building and leading cross-functional teams in developing and commercializing products across key markets.
  • Leveraging key resources, emerging technologies, and strategies to deliver research and projects and advanced products: Stage gate processes and Design Of Experiment (DOE) in Product Development processes.
  • Preparation, formulation, development and processing of photo-resists.
  • Formulation, development and processing of post-etched and post-ashed strippers and cleaners for semiconductor devices.
  • Ultra Violet (UV) /light-curing of acrylic and acrylate polymers.
  • Photo-curing of inkjet inks by selecting the photo-initiators that is active at the appropriate UV wavelength (short, medium and longer wavelengths) for the reactive monomers, (including, adhesives, dental resins, acrylic and acrylate coatings).
  • Selecting UV curing condition to improve instant drying, print quality, adhesion, scratch resistance, light fastness and color density for the inks.
  • Radical polymerization of resins (e.g. dental resins).
  • Selecting effective UV curing agents for acrylate films as well as optimizing the curing condition.
  • Optimizing ultra violet cure conditions for coatings, 3D printing and inks.
  • Photoresists, photoresist strippers and removers, photochemistry.

Expert Witness Experience

  • Expert witness in photoresist stripper and remover patent arbitration.

Experience

Independent Consultant ,2015 - Present

  • Projects included acrylic polymer synthesis and formulations.
  • UV and Light curing of acrylic and acrylate polymers.
  • Photo-curing of inkjet inks by selecting the photo-initiators that is active at the appropriate UV wavelength (short, medium and longer wavelengths) for the reactive monomers.
  • Selecting the proper UV curing condition to improve instant drying, print quality, adhesion, scratch resistance, light fastness and color density for the inks.
  • Radical polymerization of resins (e.g. dental resins).
  • Photo-curing of adhesives, dental resins, acrylic/acrylate coatings, etc.
  • Selecting effective UV curing agents for acrylate films as well as optimizing the curing condition.
  • Optimizing the UV cure conditions for coatings, 3D printing and Inks.
  • Photoresists, photoresist strippers and removers, photochemistry support and consulting.

Air Products and Chemicals, Inc., Allentown, PA, 2013 - 2015

Sustainability Manager (Electronics Technology)

  • Assignments include managing the impact of REACH and TSCA on the division's product offerings.
  • Help develop sustainability plan for the Electronic Technology group.
  • Worked with Corporate operational excellence group to develop a review process of maturity of electronic technology's products and processes and develop a plan to close any gap found.
  • Periodic review of department's sustainability assessments and coaching support to group members to meet sustainability goals.
  • Responsible for on-going continuous improvement in sustainability.
  • Recovered, reused and recycled chemicals used in the manufacturing semiconductor devices and in advanced displays.
  • Initiate and manage innovative projects to promote sustainability within the division and to customers.
  • Identify both technical and commercial EHS needs as well as recommends approaches to address them and other regulatory issues.

Research and Development Manager (ACT Group), 2004 - 2013

  • Managed research and development for BEOL stripper development.
  • Developed, introduced and deployed new post-etch strippers/remover for bulk photoresist removal.
  • Worked with customers to develop and optimize specific chemistries that met the customer processes and environmental requirements.

Ashland Chemical Company, Easton, PA, Senior Staff Development Chemist, 1999 - 2004

  • Developed and deployed post-etch strippers and removers.
  • Developed a working knowledge of the mechanism of specific chemistries which enabled effective recommendation of product use to customers.

Eaton Corporation, Rockville, MD,Senior Process Engineer, 1997 - 1998

  • Developed photostabilization process for post lithographic resist processing to improve performance of resists at plasma etch and ion implant and UV and thermal curing of polymers; dry (plasma) strip process for resist and etch residues.

MicroChem Corp., Newton, MA, Project Manager, 1996 - 1997

  • Program Manager responsible for the research and development of 193 nm resist.

Polaroid Corporation, Watham, MA, Senior Scientist, 1991 - 1996

  • Exploratory research in synthesis and development of acrylic polymers and other water-soluble polymers using solution polymerization, emulsion polymerization, bulk polymerization and suspension polymerization.
  • Synthesized emulsion copolymers of acrylates and methacrylates and then formulated with other additives to improve coatability.
  • Synthesize novel emulsion copolymers of styrene-acrylate as well as styrene-butadiene-acrylate copolymers.
  • Worked in the pilot plant to scale-up the emulsion polymer for manufacturing.
  • Blended acrylic/acrylate latex polymers with additives to improve adhesion to eliminate and prevent film delamination.
  • Develop acrylic/acrylate latex polymer formulations that resulted in significant reduction in surface defects in the coated film.
  • Synthesis of novel latex copolymer of acrylate-co-methacrylate-co-styrene and incorporation of cross-linkers for instant photographic film.
  • Developed several acrylic formulations for different layers in instant photographic film.

Honors & Publications

Credentials

  • Dissertation Research
  • Synthesis of the novel 1,2,3,5-H-benzothiatriazepine-1,1-dioxide ring system.
  • Synthesis of polymers which are candidates for deep UV lithographic resists.
  • Attempted synthesis and polymerization of bis(5-vinylcyclopentadienyl)-vanadium and (5-vinylcyclopentadienyl) tetracarbonylvanadium.

Chemical Engineering Minor

  • Awarded Outstanding Graduate Student of the Year in Chemistry
  • Graduate studies in Chemistry, Southern University, Batton Rouge, LA
  • B.S., Chemistry, Chemistry, Southern University, Batton Rouge, LA
  • Dean's List: Received Undergraduate Analytical Chemistry Honors Award
  • Executive Certificate in Management and Leadership, Massachusetts Institute of Technology (Sloan School of Management)

Academic and Professional Affiliations

  • Member of American Chemical Society

Education

  • Ph.D. Organic Chemistry, Mississippi State University, Starkville, MI
  • M.S. Organic Chemistry, Mississippi State University, Starkville, MI
  • B.S. Chemistry, Southern University, Baton Rouge, LA
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