Ask Dr. Dave - Articles - Page 8 | Adhesives & Sealants Industry

Ask Dr. Dave: What is the best way to prepare aluminum surfaces for bonding with epoxy or acrylic adhesives?

Aluminum and its alloys can be bonded successfully with a range of adhesives.

Dave Dunn Ph.D.

May 1, 2015

Dave Dunn's May 2015 column.

Ask Dr. Dave

Can we speed up curing of an UV adhesive/sealant by using a full-spectrum bulb from the hardware store?

A black light would probably give better results than the full-spectrum bulb, but you will need a fairly high-intensity UV lamp.

Dave Dunn Ph.D.

April 1, 2015

Dave Dunn's April 2015 column.

Ask Dr. Dave: What's a safe adhesive for bonding plastics?

It is not difficult to find an adhesive that is strong enough that the plastics break when tested.

Dave Dunn Ph.D.

March 2, 2015

Dave Dunn's March 2015 column.

Ask Dr. Dave: What advantages do I have if I choose an adhesive that has MIL-SPEC approval?

If you buy an adhesive or sealant that has MIL-SPEC approval, it means the product has passed certain performance specifications.

Dave Dunn Ph.D.

February 2, 2015

Dave Dunn's February 2015 column.

Ask Dr. Dave: Can you help us with a crystallization problem in the part-A (epoxy side) of our two-part epoxy putty compound?

Epoxies tend to crystallize when they are very pure with narrow molecular weight distributions.

December 11, 2014

Dave Dunn's December 2014 column.

Ask Dr. Dave: What are the best adhesives and sealants for construction these days?

Adhesives and sealants for the construction industry have changed dramatically over the last 20 years or so.

November 1, 2014

Dave Dunn's November 2014 column.

Ask Dr. Dave: What are the best products for filling the seams after assembling acrylic countertops?

Reactive acrylic adhesives vary from surface-activated flexible adhesives to two-component adhesives.

October 1, 2014

Dave Dunn's October 2014 column.

Ask Dr. Dave

Ask Dr. Dave: What is the difference between a polyurethane adhesive and a polyurea adhesive?

Dave Dunn's September 2014 column.

Dave Dunn Ph.D.

September 2, 2014

The most important difference is that the polyurea reaction is much faster than the polyurethane one.

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

Dave Dunn's August 2014 column.

August 1, 2014

Many companies use different terms to disassociate their water-based adhesives from adhesives based on natural latex.

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

Dave Dunn's July 2014 column.

Dave Dunn Ph.D.

July 1, 2014

Food packaging is an industry that involves special requirements.

Ask Dr. Dave
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Ask Dr. Dave: What is the best way to prepare aluminum surfaces for bonding with epoxy or acrylic adhesives?

Can we speed up curing of an UV adhesive/sealant by using a full-spectrum bulb from the hardware store?

Ask Dr. Dave: What's a safe adhesive for bonding plastics?

Ask Dr. Dave: What advantages do I have if I choose an adhesive that has MIL-SPEC approval?

Ask Dr. Dave: Can you help us with a crystallization problem in the part-A (epoxy side) of our two-part epoxy putty compound?

Ask Dr. Dave: What are the best adhesives and sealants for construction these days?

Ask Dr. Dave: What are the best products for filling the seams after assembling acrylic countertops?

Ask Dr. Dave: What is the difference between a polyurethane adhesive and a polyurea adhesive?

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

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

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Get the latest industry updates tailored your way.

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