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Polyaspartic ester chemistry was first introduced in the early 1990s making it a relatively new technology. [1] [2] [3] The patents were issued to Bayer in Germany and Miles Corporation in the United States. It utilizes the aza-Michael addition reaction. [4] [5] These products are then used in coatings, adhesives, sealants and elastomers. [6]
The Sherwin-Williams Company is an American paints and coatings company based in Cleveland, Ohio. It is primarily engaged in the manufacture, distribution, and sale of paints, coatings, floorcoverings, and related products with operations in over 120 countries. [ 2 ]
The range of Sayerlack products comprises polyurethane, water-based, nitrocellulose, polyester, UV and water-based UV coatings, and stains. Coatings are designed for bathroom, kitchen, living room, bedroom furniture, parquet flooring, doors and windows, nautical furnishing, and picture frames; besides these products, the Sayerlack range includes fire retardant and antibacterial coatings, and ...
Glidden website Archived 2014-08-26 at the Wayback Machine; Jap-A-Lac, Glidden Varnish Company, 1890 Archived 2016-12-02 at the Wayback Machine Kenneth Franzheim II Rare Books Room, William R. Jenkins Architecture and Art Library, University of Houston Digital Library.
Due to presence of carboxylic groups it is polyelectrolyte with anionic character. Naturally occurring PASA fragments consists of α,-linked L-aspartatic acid. [5] In contrast, the repeating unit of synthetic polyaspartic acid may exist in four isomeric forms, depending on the stereochemistry of starting material (D- and L-aspartic acid) and synthetic procedure leading to α and β links.
Binders are the film forming component of a paint as it dries and affects the durability, gloss, and flexibility of the coating. Polyurethanes, polyesters, and acrylics are all examples of common binders. The solvent is the medium in which all other components of the paint are dissolved and evaporates away as the paint dries and cures. The ...
Non-bonding coatings are clear, high-performance coatings, usually catalyzed polyurethanes, that do not bond strongly to paints used for graffiti. Graffiti on such a surface can be removed with a solvent wash, without damaging either the underlying surface or the protective non-bonding coating.
Most coatings have four basic components. These are the resin, solvent, pigment and additive systems [5] but the resin or binder is the key ingredient. Continuing environmental legislation in many countries along with geopolitics such as oil production are ensuring that chemists are increasingly turning to waterborne technology for paint/coatings and since resins or binders are the most ...