Articles Tagged with ''polyureas''

Dr. Dave
Ask Dr. Dave

Pros and Cons of Polyurea Adhesives

I understand that polyureas are very fast curing. Why don’t we see them used as adhesives?
October 29, 2020

Polyureas have a lot of similarity to polyurethanes, but they are two-component systems based on reacting an isocyanate with a multifunctional amine rather than with a polyol. This chemical reaction is extremely fast, quite often just a few seconds.


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headlines and news

Industrial Caulk and Seal Completes 1 Million Linear Feet of Joint Fill

Most of the installation occurred as a component of the new construction of large logistic warehousing along the Eastern Seaboard.
October 14, 2019
Industrial Caulk and Seal (ICS) recently announced that, as of last month, it had installed over 1 million linear feet of semi-rigid joint filler through the previous 12 months.
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event speakers and presenters

Evonik Presenting Six Technical Papers at The Center for Polyurethanes Industry’s 2019 Technical Conference

Technical sessions at the conference reportedly highlight topics from across the polyurethane industry, including updates on regulatory changes, breakthrough technologies, market data, and current challenges facing the industry.
October 8, 2019
Evonik recently announced that it will present six papers and one technical poster at the 2019 edition of The Center for Polyurethanes Industry’s (CPI) annual Technical Conference, which is taking place October 7-9 in Orlando, Fla.
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Organometallic Catalysts

New Tin- and Mercury-Free Organometallic Catalysts for CASE Urethane Applications

New catalysts offer performance characteristics in multiple applications.
Bing Hsieh Ravi Ravichandran Robert Coughlin John Florio
June 7, 2017
Isocyanates react with compounds that have active hydrogens. For example, in coating applications, isocyanates are typically reacted with polyols to form polyurethanes, or with primary and secondary amines to form polyureas. Catalysis of the polyol/isocyanate reaction, which is often required to develop sufficient cure response, can be achieved with a variety of compounds.
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HiChem
Case Study

Improving Polyurethane Coatings for Water Infrastructure

A new polyol can extend the life of company equipment and facilities while meeting stringent federal containment regulations.
January 2, 2017
America’s infrastructure GPA stands at a D+, with an estimated $3.6 trillion of work needed by 2020 to repair the country’s out-of-date structures, bridges, roads, etc.1 Part of these issues lie within public parks and recreation, which are being used by a reported 140 million Americans on a daily basis.
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Chemline spray coating

Concrete Coatings: Polyurethane, Polyurea and Multi-Coat Systems

Polyurethane and polyurea coatings protect concrete against the effects of moisture, abrasion, corrosion, and chemical attack.
Alan Cain
September 1, 2016
Concrete is the most widely used building material in the world, due to its versatility, durability and ease of use. But it is also predisposed to developing random cracks, which quickly become arteries for water, salts, chemicals and other foreign materials to seep in.
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