Carbon dioxide-based adhesives and coatings

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Author: David R. Luebke
Date: Apr. 2013
From: Advanced Coatings & Surface Technology(Vol. 26, Issue 4)
Publisher: Frost & Sullivan
Document Type: Article
Length: 505 words
Lexile Measure: 1350L

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Polyurethane compounds are useful in many commercial applications such as high-performance adhesives, surface coatings, sealants, binders, hydrogels, and resins. Polyurethane compound is any polymer composed of a chain of organic units joined by a carbamate unit (-NCOO-). Polyurethanes are conventionally produced by combining/reacting diisocyanate and polyfunctional compounds in the presence of a catalyst. One of the major disadvantages of this synthesis method is the use of monomers containing toxic isocyanate groups. Due to increased awareness toward the environment and stricter policies to conserve the environment, the focus in the polymer industry is shifting toward manufacturing polyurethanes without the use of isocyanate through the reaction of a diamine and a molecule having one or more cyclic carbonate functional groups. The compounds resulting from this synthetic route are...

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Gale Document Number: GALE|A338525536