Ask Dr. Dave

Ask Dr. Dave: Why are some waterborne adhesives called latex, others called dispersions and yet others emulsions?

Dave Dunn's August 2014 column.
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Many companies use different terms to disassociate their water-based adhesives from adhesives based on natural latex.


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Ask Dr. Dave: How can we get our adhesives approved for food/beverage or medical applications?

Dave Dunn's July 2014 column.
By Dave Dunn Ph.D.
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Food packaging is an industry that involves special requirements.


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Ask Dr. Dave: What is the best way to judge the effectiveness of an adhesive bond?

Dave Dunn's June 2014 column.
By Dave Dunn Ph.D.
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It is a common misperception that the material should always break before the adhesive bond.
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Ask Dr. Dave: What is a good adhesive for bonding glass to metal?

Dave Dunn's May 2014 column.
By Dave Dunn Ph.D.
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 Bonding glass to metals can be done successfully, although it is often necessary to choose systems that have appropriate "adhesion promoters." 


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Ask Dr. Dave: Is there a way to bond PTFE with regular adhesives?

Dave Dunn's April 2014 column.
By Dave Dunn Ph.D.
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It is necessary to treat the surface aggressively with chemical agents.


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Ask Dr. Dave: How can we ensure that UV-curable adhesives are always fully cured?

Dave Dunn's March 2014 column.
By Dave Dunn Ph.D.
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 One never gets a full 100% cure of these thermoset systems at relatively low temperatures because molecular mobility goes down dramatically as the adhesive increases in viscosity during curing. 


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Ask Dr. Dave: Could you please give us an overview of polyurethane adhesives?

Dave Dunn's February 2014 column.
By Dave Dunn Ph.D.
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 It’s important to understand that the term polyurethane covers a wide range of systems. 


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Ask Dr. Dave: How should I choose between an acrylic adhesive and an epoxy?

Dave Dunn's January 2014 column.
By Dave Dunn Ph.D.
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 Both types of adhesives are very versatile; the choice depends on your operating environments and manufacturing situation. 


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Ask Dr. Dave: December 2013

Are all cyanoacrylate adhesives brittle when cured?
By Dave Dunn Ph.D.
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Question: I am trying to bond several rubber parts together. I would like to try a cyanoacrylate adhesive, but I hear they are very brittle when cured. Is that true?


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Ask Dr. Dave: November 2013

Are epoxy adhesives with short cure times strong and durable?
By Dave Dunn Ph.D.
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QUESTION: I see many so-called “five-minute” epoxy adhesives (and sometimes ones with even shorter cure times). Are these adhesives truly strong and durable?


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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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THE ADHESIVES STORE

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Handbook of Sealant Technology

The Handbook of Sealant Technology provides an in-depth examination of sealants, reviewing their historical developments and fundamentals, adhesion theories and properties, and today’s wide range of applications.

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ASI 2014 Buyers GuideASI's Buyers' Guide

Annual purchasing resource for equipment used in the manufacture/formulation of adhesives, sealants, pressure sensitives, tapes and labels and for application of finished adhesives. 

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