Articles by Dave Dunn Ph.D.

Ask Dr. Dave: October 2013

We want to bond steel to foamed polystyrene in large bond areas.

QUESTION: We want to bond steel to foamed polystyrene in large bond areas, and we want to use a cost-effective adhesive that doesn’t take long to dry. Is a hot melt the way to go?


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Ask Dr. Dave: September 2013

Is it true that epoxy adhesives contain the same BPA that has been shown to be harmful when used to make drinking bottles?

Is it true that epoxy adhesives contain the same BPA that has been shown to be harmful when used to make drinking bottles?


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Ask Dr. Dave: July 2013

Can you suggest ways to improve an adhesive system in terms of moisture/water sensitivity?

QUESTION: We are successfully structurally bonding Belgian Blue Stone—also called Petit Granit (a non-porous limestone material)—with a two-component epoxy in an industrial process.


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Ask Dr. Dave: May 2013

Several types of products can provide high electrical conductivity for assembly applications.

QUESTION: We are looking for adhesives with high electrical conductivity for several assembly operations. What alternatives do we have?


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Ask Dr. Dave: April 2013

Dave Dunn shares details regarding UV adhesives/coatings for a medical device assembly.

QUESTION: We use a UV adhesive/coating for assembling the plastic and metal components of a complex medical device. We need to optimize our curing process and ensure that the adhesive is fully cured with maximum properties. What are the most important factors?


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Ask Dr. Dave: March 2013

Can you offer some advice regarding the sourcing of monomers for acrylic adhesives formulations?

We are formulating acrylic adhesives (both reactive acrylics and anaerobics), but are having problems with the sourcing of monomers. Some suppliers can’t seem to give us monomers that produce shelf-stable products, even though they purport to have added extra free-radical stabilizers. Can you offer some advice?


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ExxonMobil Tackifier Expansion

Dwight Tozer, vice president of ExxonMobil’s Adhesion Industry business, discusses the company’s latest tackifier expansion project with Editor-in-Chief Susan Sutton.

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Adhesives & Sealants Industry Magazine

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2015 March

Welcome to our annual Raw Materials, Chemicals, Polymers and Additives Handbook!
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