Sarah Parker
Sarah E. Parker, Ph.D.
Senior Scientist
Polymer Science & Materials Chemistry
Natick

Dr. Parker specializes and consults in the area of structure-property relationships of molecules and materials. Her background in chemistry encompasses the design of organometallic catalysts commonly used in the production of reinforced plastics and composite materials, inks and coatings, elastomers, and fine chemicals. In addition, Dr. Parker has considerable experience with machine and engine lubricant formulations that are often employed to address friction and wear (tribology) issues.

Prior to joining Exponent, Dr. Parker was a Senior Researcher at ExxonMobil Research & Engineering. In that role she developed new formulations for commercial vehicle (heavy-duty) engine oils and greases to meet API, ACEA, and automotive engine manufacturer specifications using a combination of industry standard bench tests (ASTM & ISO methods), stationary fired-engine test stands, and field test programs. She investigated new additives for lubricant applications including novel antioxidants, anti-wear additives, pour-point depressants, dispersants, and friction modifiers. In addition, Dr. Parker provided failure analysis and lubricant product support to lubricant blenders, vehicle manufacturers, and end customers in the transportation, mining, construction, and agriculture industries. She was also involved in the technical validation and global deployment of new components and formulations with impact on product claims and specifications, the global supply chain, and product registration with foreign governments. 

In her academic training, she developed novel platinum catalysts to selectively hydrosilylate conjugated dienes, producing coupling agents for surface modification of sol-gel materials. In this work, Dr. Parker used rigorous air-free and low-temperature synthesis methods including Schlenk technique and the use of inert atmosphere glove boxes. Dr. Parker has experience with a variety of material and small molecule characterization methods such as mono-, multi-, and heteronuclear magnetic resonance spectrometry (NMR), Fourier-transform Infrared spectroscopy (FTIR), gas chromatography (GC), mass spectroscopy (TOF, GC-MS), elemental analysis, x-ray crystallography, ultraviolet-visible spectroscopy (UV-Vis), differential scanning calorimetry (DSC), and electron paramagnetic resonance (EPR). Dr. Parker is well-versed in ASTM and ISO methods for lubricant characterization including rheological and tribological testing. She is also familiar with surface characterization, profilometry, and microscopy techniques.

CREDENTIALS & PROFESSIONAL HONORS

  • Ph.D., Chemistry, Harvard University, 2014
  • B.A., Chemistry, Grinnell College, 2007
  • National Science Foundation Graduate Research Fellow, 2009–2012

    Thomas J. Watson Fellow, 2007–2008

    Archibald Prize for Highest Scholarship, Grinnell College, 2007

    Chemistry Alumni Prize, Grinnell College, 2007

    Barry M. Goldwater Scholar, 2005–2007

    Trustee Honor Scholarship, Grinnell College, 2003-2007

Publications

Lee H, Campbell MG, Hernández Sánchez R, Börgel J, Raynaud J, Parker SE, Ritter T. Mechanistic insight into high-spin iron(I)-catalyzed butadiene dimerization. Organometallics 2016; 35: 2923–2929.

Parker SE, Börgel J, Ritter T. 1,2-Selective hydrosilylation of conjugated dienes. Journal of the American Chemical Society 2014; 136: 4857–4861.

Presentations


Parker SE, Ritter T. 1,2-Hydrosilylation of 1,3-dienes at a cyclometallated platinum catalyst. Oral presentation, Organometallic Chemistry Gordon Research Seminar, Newport, RI, 2013.

Parker SE, Ritter T. Selective 1,2-hydrosilylation of butadiene at a cyclometallated platinum-phosphine catalyst. Poster presentation, Inorganic Chemistry Gordon Research Conference, Galveston, TX, 2013.

Parker SE, Börgel J, Ritter T. Platinum-catalyzed 1,2-hydrosilylation of butadiene. Oral presentation, Boston Women in Chemistry Symposium, Boston, MA, 2013.

Parker SE, Ritter T. Platinum-catalyzed 1,2-hydrosilylation of butadiene. Poster presentation, Boston Women in Chemistry Symposium, Boston, MA, 2012.

Mobley TA, Parker SE. Synthesis and conformational characterization of Cp2WHSn(CN)Ph2. Poster presentation, American Chemical Society National Meeting, Chicago, IL, 2007.

Patents

US Patent Application US 61/772,218: 1,2-Hydrosilylation of dienes, Patent Pending. March 2014 (with Ritter T).

Prior Experience

Senior Researcher, Industrial Lubricants & Greases, ExxonMobil Research & Engineering, 2016

Senior Researcher, Commercial Vehicle Lubricants, ExxonMobil Research & Engineering, 2014–2016

Professional Affiliations

American Chemical Society

CREDENTIALS & PROFESSIONAL HONORS

  • Ph.D., Chemistry, Harvard University, 2014
  • B.A., Chemistry, Grinnell College, 2007
  • National Science Foundation Graduate Research Fellow, 2009–2012

    Thomas J. Watson Fellow, 2007–2008

    Archibald Prize for Highest Scholarship, Grinnell College, 2007

    Chemistry Alumni Prize, Grinnell College, 2007

    Barry M. Goldwater Scholar, 2005–2007

    Trustee Honor Scholarship, Grinnell College, 2003-2007