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Coating Claims Physical Self-Repair

Monday, April 6, 2015

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NEI Corporation says its new intermediate coating physically mends itself when damaged.

Nanomyte MEND-RT is a self-healing, polymer nanocomposite for use as an intermediate in coating systems on metal substrates.

When physically damaged, the self-healing layer repairs the damage autonomously at near-ambient conditions, closing and sealing the gap and protecting the metal from exposure, the company says.

Nanomyte Mend-rt
NEI Corporation

NEI photos show corrosion resistance for panels after 1,250 hours in a salt spray test: (a) is a commercial non-chromate coating system, and (b) is a commercial non-chromate system with Nanomyte MEND-RT.

According to the company, the new ability to physically close that gap provides an alternative to the chemical self-healing of chromate coatings.

Application & Customization

The coating can be applied by dip, spray, brush or drawdown methods in any chromate-free coating system where self-healing is desired.

The product will not deteriorate the original properties of the coating stack, the company says. It can be applied to ferrous and non-ferrous metals and alloys, such as magnesium, aluminum, copper, zinc and steel.

Given the variety of coating systems used in different applications, NEI says it can undertake an in-house study to evaluate the product's efficacy in a specific system. Also, the MEND-RT formulation can be customized to suit the requirements of an application, according to NEI.

More information:


Tagged categories: Coating Materials; Corrosion protection; Metals; Nanotechnology; NEI Corp.; North America; Protective Coatings; Self-healing

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