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High-solids, two-component acrylic polyurethane coating formulations were prepared using a new low-viscosity, reactive diluent that incorporates directly into the final polymer network. The resulting acrylic coatings were found to increase the solids content of formulations without compromising mechanical performance. Acrylic polyurethane coating samples containing the diluent were evaluated for weatherability performance via QUV and environmental chamber studies.
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Cashew Nutshell Liquid (CNSL) is a non-edible, renewable biomaterial extracted from the honeycomb-like structure of the cashew nut. Its main component, cardanol, is produced by the decarboxylation of CNSL and it contains a highly hydrophobic aliphatic side chain. Cardanol is used in the synthesis of phenalkamines, which are widely used in marine, protective and industrial coatings applications. Historically, phenalkamines have been used in solvent systems, but recently, a new technology was developed that enables a very hydrophobic phenalkamine to be stably packaged in water.
Hardness and corrosion resistance of electroplated nanocomposite coatings are reported here in light of process parameters such as current density, boron addition and diamond nanoparticles. A boron source that enables greater incorporation of B in the coating was used.
While traditional cleaning solutions can be time consuming, costly and ineffective, dry ice blast cleaning provides a completely dry solution that cleans faster and more efficiently, while reducing downtime and supporting environmental initiatives. This presentation will discuss the basic concepts of dry ice cleaning. Participants will learn the benefits of the process, as well as, how it can benefit their production, improve quality, and support an environmentally responsible production environment.
The design of corrosion tests and computer corrosion rate simulations that do not incorporate the concepts of non-ideal chemistry can introduce very significant errors to the results.
Technologically advanced, fully-digital ultrasonic wall-thickness measurement systems coupled with Internet of Things (IoT) back-haul data communication schemes, including cellular, are enabling transportable,accurate and cost-effective corrosion-monitoring systems.
Synthesize and formulate non-isocyanate glycidyl carbamate (GC) coatings for fouling-release marine applications.
The most commonly available non-metallic options for piping systems handling corrosive fluids - thermoplastic, thermoplasticlined metallic, thermoset, thermoplastic lined composite, fiberglass reinforced plastic (FRP) and Engineered Structural Composite (ESC) piping.
BASF has developed a novel crosslinking isocyanate-free coating technology based on carbodiimide chemistry. A polycarbodiimide crosslinker with suitable functionality for coating applications and ultra-low free monomeric isocyanate has been introduced to the market. We formulated a 60% solids industrial primer using the new isocyanate-free coating technology and applied it on different metal substrates.
Structure modified, nanostructured synthetic fumed silica technology was introduced more than a decade ago for improving scratch resistance and mechanical strength across coatings and adhesives / sealant industry fields. New developments now create novel design which offer environmentally sustainable improvement to anti-fouling performance in marine environments.
This trial demonstrated that ultrasonic monitoring can be applied to detect changes in real-life corrosion rates in a short time (3 weeks). This short feedback time can be used to give advanced warnings on corrosion issues on bends, T-pieces or other areas.
The authors will demonstrate that deploying only a modest number of point measurement devices in an area of elevated localized corrosion risk will provide the best possible combination of probability of detection (POD) as well as ongoing wall thickness monitoring for localized corrosion attack.