Coating compositions for modifying hard surfaces

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 1/00 (2006.01) C09D 1/04 (2006.01) C09D 5/00 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2410600

Materials for coating, coating compositions, methods and articles of manufacture comprising a nanoparticle system or employing the same to impart surface modifying benefits for all types of inanimate hard surfaces are disclosed. In some embodiments, dispersement of nanoparticles in a suitable carrier medium allows for the creation of coating compositions, methods and articles of manufacture that create multi-use benefits to modified hard surfaces. These surface modifications can produce long lasting or semi- permanent multi-use benefits that include at least one of the following improved surface properties: wetting and sheeting, quick drying, uniform drying, soil removal, self-cleaning, anti-spotting, anti-soil deposition, cleaner appearance, enhanced gloss, enhanced color, minor surface defect repair, smoothness, anti-hazing, modification of surface friction, release of actives and transparency, relative to hard surfaces unmodified with such nanoparticle systems. In some embodiments, actively curing the coating composition on the hard surfaces, including, but not limited to by radiative heating the air surrounding the hard surface with the coating thereon can be used to increase the durability of the hard surface coating.

L'invention concerne des matériaux de revêtement, des compositions de revêtement, ainsi que des procédés et des articles manufacturés comprenant ou utilisant un système de nanoparticules pour conférer des propriétés de modification de surface à tous les types de surfaces dures inanimées. Dans certains modes de réalisation, la dispersion des nanoparticules dans un support approprié permet la réalisation de compositions de revêtement, de procédés et d'articles manufacturés entraînant un certain nombre de propriétés à usages multiples pour les surfaces dures modifiées. Ces modifications de surface peuvent engendrer des propriétés à usages multiples de longue durée ou semi-permanentes, parmi lesquelles l'une au moins des propriétés de surface améliorées suivantes : mouillage et protection, séchage rapide et uniforme, élimination des salissures, auto-nettoyage, action anti-salissures, dépôt anti-salissures, apparence plus nette, brillant renforcé, couleur ravivée, réparation des défauts de surface mineurs, aspect lissé, action anti-voile, modification des frottements de surface, libération d'agents actifs et transparence, par rapport aux surfaces dures non modifiées par des systèmes de nanoparticules de ce type. Pour renforcer la durabilité du revêtement de la surface dure, on peut procéder au durcissement actif de la composition de revêtement présente sur les surfaces dures, notamment, mais pas exclusivement, par chauffage rayonnant de l'air entourant la surface dure recouverte dudit revêtement.

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