The range meets a demand for epoxy-free alternatives to hybrid powder coatings....
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In tests, 100 percent of MRSA in solution were killed within 20 minutes of contact with a surface painted with latex paint laced with the coating....
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A new mini-review provides an insight into the rapidly expanding area of research into smart materials with self-healing properties....
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Corrugated silicon nanocone arrays have been fabricated on a silicon wafer by two polystyrene-sphere-monolayer-masked etching steps in order to create high-performance antireflective coatings....
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In a new study, novel dihydroxy functional 3-arm star polymers were synthesised using a combination of atom transfer radical polymerisation, ring opening polymerisation, and click chemistry....
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A new class of anti-adhesive coatings has been studied for potential use in industrial food production. They can be sprayed and cured at lower temperatures than current PTFE coatings. The polymer binder matrix incorporates perfluorinated comonomers and nanoscale hard particles. Polyurethane-based systems gave the best abrasion and chemical resistance, but a polyimide-based system performed well in dry processing tests....
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A new water repellent additive for cement-based materials is supplied in the form of a dry emulsion which is self-dispersing in water. On both grouting and facade materials, the emulsion product gave much better bulk hydrophobisation than standard water repellents. It also reduced colour changes after wet/dry cycling and algal growth....
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Pure acrylic waterborne technology improves the exterior durability of coatings applied on various substrates. Furthermore, the use of pigment encapsulated technology (PET) in masonry paints gives good adhesion to mineral substrates. Replacing part of the TiO2 and binder with an opaque polymer also brings improvements and PET and organic opacifiers when used together also show benefits....
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Sprayed concrete is used in large quantities on major construction projects. As rebound during spraying results in loss of material and affects proper-ties, polymer additives were designed specifically to reduce this problem. Large-scale tests confirmed that adhesion to wet substrates, permeability and cracking could all be improved. The added costs can be more than offset by reductions in working time....
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Powder coatings have historically scored very high in terms of the ‘4Es’?–?economy and ease of application, excellence of finish and ecology. Recent resin developments which offer further gains in these key properties are discussed. They include lower temperature cure, better appearance in thin films, elimination of the pretreatment step and a resin based on renewable resources....
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