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Yellowing of Curing Agents: Oxidation Mechanism and Remedies
In two-component coating systems, the curing agent determines the durability, gloss, and service life of the coating film. However, yellowing often occurs after storage or use. The film becomes cloudy, loses transparency, and changes tone....
Read moreBayhydur and Desmodur – Two Distinct Hardener Systems by Covestro
In the polyurethane (PU) coating industry, the hardener determines the durability, gloss, and chemical resistance of the coating film. Covestro – a pioneer in high-performance materials – has developed two representative hardener systems: Bayhydur and...
Read moreDesmophen and Desmodur – The Perfect Pair Creating a PU Coating
PU (Polyurethane) paint is considered a premium solution for many industries. This coating features high gloss and superior surface protection. To achieve such quality, the resin base and hardener components must work in perfect harmony....
Read moreLuminy PLA – Heat-resistant bioplastic for molding and 3D printing
The plastics industry is rapidly transforming toward sustainable production. Companies now demand materials that deliver strong performance and remain eco-friendly. Luminy PLA emerged from that shift, becoming a superior choice for molding and 3D printing....
Read moreDesmodur N75 – Applications in PU and Industrial Coatings
In modern coating systems, durability and gloss depend greatly on the hardener. For PU and industrial coatings, performance requirements are even stricter. The coating film must remain strong, chemical-resistant, and color-stable. Among polyisocyanate products, Desmodur...
Read moreGroup IV & V Base Oils: Redefining the Future of Energy Efficiency
The energy industry is evolving rapidly to meet the demands of sustainable and efficient operations. Companies now focus not only on productivity but also on reducing emissions and extending equipment life. In this trend, Group...
Read moreControl of alkalinity in the fixing stage – The key to color fastness
In textile dyeing, the fixing stage determines color durability and wash resistance. When pH is not properly controlled, dyes may hydrolyze or detach from the fiber. Alkalinity in the fixing stage is therefore a critical...
Read moreSolutions to Improve Clarity for Premium Decorative Coatings
Modern decorative materials demand not only durability but also visual purity. The clarity of the coating has become a key indicator of quality. A clear layer reflects natural light, brightens the surface, and highlights base...
Read moreHow to Prevent Ink Smearing on Gravure Printing Surfaces
Gravure printing is known as a high-quality solution for flexible packaging production. However, ink smearing in gravure printing remains a challenge for many converters. Even small smears can blur images, distort colors, and lower product...
Read moreHow to select the right polymer for multi-cycle recycling products
The circular economy is driving the plastics industry into a new stage of development, where efficiency and sustainability must go hand in hand. To achieve this, selecting multi-cycle recycling polymers has become a crucial factor....
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