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Authors Farshchi, N. ; Gedan-Smolka, M.
Title Polyurethane powder coatings: A review of composition and characterization
Date 05.08.2020
Number 58267
Abstract Powder coatings gained a lot of attention since the 1960s and the 1970s (implementation of polyurethanes into the market) due to the environmental and ecological concerns. Over decades there are several publications relating manufacturing and development of powder coatings as an alternative for liquid/ solvent or water-based organic coatings. In general, powder coatings can be divided into two main groups based on the properties of the resin being used. That is thermoplastic and thermoset powder coating systems. Among thermoset powder coatings, polyurethane powder coatings have outstanding properties such as weather stability and are the best choice for exterior applications comparing overall properties. This paper reviews the most recent advances in the field of powder coating by focusing on polyurethane powder coating as a group of thermoset powder coatings. It also considered the industrial problems engaged in this field, such as emission of the blocking agents, the low reactivity of uretdione systems, and high curing temperature and their solutions. Finally, it also suggested the future potential investigation of polyurethane powder coating compositions and improvements.
Publisher Industrial & Engineering Chemistry Research
Wikidata
Citation Industrial & Engineering Chemistry Research (2020) Just Accepted Manuscript
DOI https://doi.org/10.1021/ACS.IECR.0C02320
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