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Polyurethanes Made to Be Self-Healing

Friday, November 20, 2015

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NEI Corporation has expanded its polyurethane-based NANOMYTE MEND line of top coats that the company says provides self-healing properties that close gaps and seal cracks in a variety of substrates.

MEND 1000 is a thermally-induced, two-part coating that uses a phase-separated morphology to heal the damage, the company says. The coating can be self-healed by the application of warm air for several seconds with a device such as a household hair dryer.

MEND 2000 also is a room temperature, two-part coating that uses the phase-separated morphology process, the company says.

MEND 3000 is a two-part, solventborne coating that can be cured at room temperature, according to NEI.

NEI Corporation

NEI NANOMYTE MEND has introduced four new polyurethane products that the company says have self-healing qualities on a variety of substrates.

MEND 4000 is a clear, fast drying, high gloss protective finish for use over bare or stained wood, paint, plastics and metal. The waterborne formula is low-odor and can be cleaned up with soap and water, according to the company. The dry film has self-healing properties upon application of heat (60°C / 140°F) for several seconds, enabling removal of scratches and swirl marks that may accumulate with use.

Variety of Substrates

NEI says its MEND technology works on substrates such as metal, wood, and polymers, including those that require a clear glossy appearance. The NANOMYTE MEND products are suitable for use in solvent-based, waterborne and UV-curable coating systems and various coating resins such as polyurethane, acrylic and epoxy, according to the company.

The company also says the products reduce life-cycle costs by increasing the substrate’s service life and reducing their maintenance costs.

More information:


Tagged categories: Asia Pacific; Coating Materials; EMEA (Europe, Middle East and Africa); Epoxy; Latin America; Metals; North America; Paint; Polyurethane; Self-healing; Solventborne coatings; UV curing; Waterborne coatings; Wood

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