Tag Archives: surface sensitive processes

  • A Gathering of Chemical Professionals


    Dr. Giles Dillingham, BTG’s CEO and Chief Scientist, will present at the American Chemical Society (AMS) National Meeting and Expo 2016. The Expo takes place August 21-25 in Philadelphia, Pennsylvania. AMS brings together chemical professionals from around the world to exchange ideas and advancements. With over 300 exhibitors and over 8,000 papers presented, this event provides endless information on the latest in knowledge and chemical advances.


    American Chemical Society

    American Chemical Society

    Dr. Dillingam’s Presentation on Surface Contaminants


    During the event, Dr. Dillingham will present as part of a symposium organized by The Dow Chemical Company entitled, “Polymer Adhesives and Adhesion by Design: Fundamentals to Applications.”His presentation, based on the article, “A New Approach for the Evaluation  of the Effects of Contaminants on Surface Sensitive Processes” addresses methods of evaluating surface contaminants and ways to improve those methods.

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  • SAE International

    Society of Automotive Engineers International

    BTG Labs will be attending the SAE (Society of Automotive Engineers) AMS Aerospace Organization Coatings Committee (AMS G-8)’s annual meeting May 3-5. Dr. Giles Dillingham and Lucas Dillingham will present on “An Integrated Approach to Quantification of Contaminant Effects on Surface Sensitive Processes.” The presentation is based on a collaboration with Lockheed Martin Skunkworks under DARPA support about a new approach at studying surface contaminants. This new approach proposes studying contaminants according to their chemical structure rather than the conventional way which studies the effects of complex contaminant mixtures without identifying and studying individual contaminants. G-8, a branch of SAE, studies adhesive bonding of composites and composes the handbook for bonding composites in aircraft, as well as the publication of the CMH-17 Handbook. SAE strives to standardize language relevant to data generation, testing, and reporting of composites. Below is the abstract for Dr. Dillingham’s presentation.


    An Integrated Approach to Quantification of Contaminant Effects on Surface Sensitive Processes ~ Lucas Dillingham, Giles Dillingham / BTG Labs


    The detrimental effects of a contaminant are determined by i) the amount of the contaminant in the environment, ii) the affinity of the contaminant for the critical surface, and iii) the compatibility (i.e. solubility) of the contaminant in the adhesive or coating.  The most common approach for evaluating contaminant effects has been to evaluate the effect of a complex blend of multiple contaminants. Because this approach provides no information as to what makes a given contaminant detrimental, it limits our ability to predict the effect of an untested contaminant.    Developing an understanding of the relationship between contaminant structure and effect can lead to more intelligent design of surface preparation processes, more robust adhesive and coating formulations, and more reliable manufacturing processes.

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