Polyurethanes

Fine-Tuning Coating Surface Control Through the Use Of Modified Siloxanes

Empty lounge and meeting area in luxury business premises
Siloxane-based additives are critical tools in coating applications because their structures can be varied to provide a broad range of performance benefits in many types of formulations and chemistries. Surfactants and defoamers are some of the more commonly recognized additive classes, but many other functionalities can be derived from siloxane chemistries, particularly attributes related to surface control such as flow...

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1K PUR Dispersion with Comparable Performance to 2K Waterborne Coating

New Residential House; Architectural Asphalt Shingle Roof, Vinyl Siding, Gables
Experimental To increase the performance of a 1KWB PU to the level of a 2KWB PU, an intensive development program was undertaken. Its goal was to develop a 1KWB PU with higher film hardness (e.g., >2H pencil gouge hardness) and with superior chemical resistance (e.g., detergent, nitric acid, and mortar). The study examined various kinds of high molecular weight polyol,...

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Industrial Wood Coatings: Numerous Applications with Diverse Needs

Wood cabinets in the Kitchen
The industrial wood coatings segment of the paint and coatings industry comprises a wide range of coatings applied at the factory to a broad array of wood and wood composite substrates. Overall segments of this market sector include joinery, kitchen cabinets, furniture, flooring, millwork, specialty wood products (musical instruments, for instance), and exterior building products. Some of these segments can...

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