News Coatings Technologies

Colouring by polymer stress instead of pigments

Material stress is normally not good for polymer films in paints and varnishes, after all it can lead to damage and failure of the protective function. A Nature article now shows how it can also be used...

Golden honeycomb from which honey flows.
News Coatings Technologies

Reversible wettability in a bio-inspired honeycomb film

A unique triple patterned honeycomb film with CO2-driven reversible wettability between hydrophobicity and hydrophilicity is reported in a new work.

Nanostructure.
News Coatings Technologies

Spherical titania and their influence on self-cleaning and anticorrosion properties of acrylic resin

TiO2 particles prepared by sol-gel method with different diameters can enhance the self-cleaning properties of acrylic resin.

A laboratory.
News Coatings Technologies

Stimuli-responsive polyurethane-urea polymer for protective coating

A recent article reports the synthesis of a polyurethane-urea coating with 1-(2-aminoethyl)-imidazolidin-2-one (UDETA) units showing temperature- and moisture-triggered self-healing.

Coatino voice controler Evonik
News Coatings Technologies

The Alexa for coatings labs

Voice-controlled digital assistants have become a part of daily life for many people. In the future, they could also make lab work easier. The first such assistant is now real.

News Coatings Technologies

Cyclodextrin-based functionalised graphene oxide as an effective corrosion inhibitor

For a recent study, cyclodextrin-based functionalised graphene was synthesised. It was evaluated as an effective corrosion inhibitor for carbon steel in acidic environment.

News Coatings Technologies

Factors influencing the hydration kinetics of ye’elimite

The aim of a recent study was to understand the origin of the variation in the hydraulic reactivity of ye'elimite systems.

Fingerprint on a metal surface.
News Coatings Technologies

Nanocoating prevents greasy smears

A new nanocoating being developed by Fraunhofer researchers will in the future prevent the annoying smudges that result from fingers touching stainless steel surfaces.

Laboratory.
News Coatings Technologies

Controlled fertiliser release via tunable poly(vinyl alcohol)/ammonium sulfate-coated nonwoven materials

In a recent study, nonwoven fabrics were coated with two different ammonium sulfate fertilizer loadings (27.75% and 55.50%) by using two different poly(vinyl alcohol) types (high and low molecular weight)....

News Coatings Technologies

A facile inorganic modifier of acrylic emulsions for fabricating hybrid films with least aggregation of silica nanoparticles

Hybrid emulsions were prepared by mixing PreEm with AcEm. The emulsions gave transparent coating films at high silica content. The hardness of the films increased with increasing silica content.

News Coatings Technologies

Working the classics

The Coatings Science International (Cosi) Conference 2019 came home to Nordwijk in the Netherlands to hold its annual meeting again almost directly at the beach. Around 90 international experts from 19...

Laboratory with glass flasks filled with different liquids.
News Coatings Technologies

Silane coupling agent pretreatment and polycaprolactone coating for enhanced corrosion resistance for magnesium

To address the problem of rapid corrosion of magnesium (Mg) alloys, a biodegradable polymer film of polycaprolactone (PCL) with KH550 as silane coupling agent (SCA) was coated on Mg substrate.

News Coatings Technologies

“We need to energise a consortium to use coatings to reduce atmospheric carbon”

The US company Reactive Surfaces has developed a carbon capture coating technology. We spoke with Dr Steve McDaniel about his his company’s plan to find partners for a joint effort to fight against global...

Concrete bridge piers.
News Coatings Technologies

Use of iodine for improving phase quantification using x-ray tomography

An actual study deals with the ability to quantify synthesised hydration products by incorporating a contrast agent to improve segmentation between the hydration products in portland cement.