Polyurethane (PU) coatings are flexible, easily-modified and tough conformal coatings, which are specially designed for the protection of electronic circuitry from electrostatic changes. Also known as PUCs, these coatings has dielectric and mechanical properties such as high abrasion resistance, which is instrumental in facilitating protection against rust, resistance against corrosive solvents, and while using them in adhesion operations over wide temperature range. PU coatings can also be reworked using specialist removal products.
An ongoing study by Future Market Insights states that the global market for PU coatings will witness a surge in number of research & development taking place across several regions. For example, the Nottingham Trent University in England has recently developed a technology as a contribution to its department on healthcare & life sciences. According to recent new the University is developing 3D printed vertebrae made of PU coatings. The bone material being produced through 3D printing technologies consists of layers of polylactic acid materials and binding agents, which are also followed by a polyester coatings. Interestingly, the bone texture is made from layers of polyurethane coatings, and silicon materials have been used to make a disc between the vertebrae.
Similar to such innovative undertakings, following two developments are also offering more insights on development of advanced PU coatings. In the approaching years, such developments are expected to influence the dynamics of the global market for PU coatings.
- Sustainable Automotive PU Coatings Being Tested in Australia
One of the world’s largest polymer company for automotive suppliers, Covestro, is putting out one of its new product under trials at the Bridgestone World Solar Challenge in Australia. This world solar challenge is dubbed to be the toughest race on Earth for solar cars and the company is supporting the Sonnenwagen project by providing materials and technical service. The most important application of this product is a three-layer polyurethane coating from PPG, which is considered to be sough-after in production of paints, quality materials and in automotive coating industry. This coating system suits best to the coating body part which is made up of carbon fiber composites. Also, changing climates are known to have a significant impact on topmost coating layers.
Ulf Wentzien, the Global Head of Industrial Marketing in Covestro Coatings, states that 70 percent of carbon content in this product comes from biomass, which essentially reduces the carbon footprint by around 30 percent. However, such bio-based hardeners have met highest sustainability standards, and have also satisfied customers and company expectations. On practical ground of usage, two coating components has impressive response, with one of them being a PU coating. This concept was already applied under similar conditions on the Sonnenwagen’s project automotive workshop. Such products derived from PU coatings are suitable for temperature sensitive surfaces of solar-power cars as they harden at low temperature.
- Spotlight on Development from a Korean Manufacturer
Standard Graphene Inc. is company which based in South Korea that specializes in providing solutions through products made from graphene materials. The main products includes such as raw graphene, and graphene oxide solutions. The company has also included graphene polyurethane complex products and graphene-based complex compounds and coating powders in its primary product portfolio. Based on the current market trends, these products can be produced at a larger scale for global end-users. The company is focusing on promotion of graphene-based PU coatings at commercial level, emphasizing on their low toxicity content and reasonable price.
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