Edward M. Petrie

Edward M. Petrie is a representative of SpecialChem.
Articles

ARTICLES

SpecialChem fire retardant adhesives

Fire-Retardant Adhesives

This article examines the external events that have led to greater awareness of adhesives’ performance in the event of a fire, the standards and regulations that are being imposed, and the development of new fire-resistant materials.
Edward M. Petrie
November 1, 2007
Historically, fire resistance has not generally been a significant requirement when specifying adhesive systems. Recent incidents, however, indicate that this may soon change. These include events outside of the formulators’ arena, such as increased sensitivity to the performance of components in a fire, and events within the formulators’ arena, such as the development of flame-resistant additives.
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biodegradable polymers

Biodegradable Polymers in Adhesive Systems

Many biodegradable polymers are suited for adhesive applications, such as environmentally friendly packaging, recyclable envelope adhesives and biomedical devices.
Edward M. Petrie
June 1, 2007

Significant advances have been made over the past 20 years in the development of biodegradable polymers. These materials have been developed in a variety of forms, and thus have potential use in a range of industries, including adhesives.


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handwashing

Safety First: Safe Handling of Adhesives and Sealants

While cured adhesives and sealants are generally considered safe, care must be taken with airborne particles, decomposition products, and uncured components.
Edward M. Petrie
March 1, 2007

Completely cured adhesives and sealants are generally considered safe and non-toxic, although caution must be exercised when machining or grinding joints due to airborne particles. Also, decomposition products may exhibit substantial vapor pressures that present health and safety issues. However, it is exposure to uncured components that can be the most harmful, and that is the subject of this article.


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SpecialChem bathtub sealants

How Sealants Function

How do the application and performance characteristics of sealants correlate to the composition of the sealant formulation?
Edward M. Petrie
February 27, 2006
Sealants are generally chosen for their ability to fill gaps, resist relative movement of the substrates, and exclude or contain another material. Sealants are generally lower in strength than adhesives, but have better flexibility. Usually, a sealant must effectively bond to a substrate in order to perform these functions.
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