A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-s
A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-soluble titanium salts and water-soluble or water-dispersible organic crosslinkers. The coating may be formed by applying a dispersion of the coating composition in a diluent to the substrate and subsequently drying the coated substrate to evaporate the diluent.
대표청구항▼
1. A composite film comprising a polyester film substrate having first and second sides, and on at least one of said first and second sides a coating comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, coll
1. A composite film comprising a polyester film substrate having first and second sides, and on at least one of said first and second sides a coating comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and an ammonia salt of a styrene maleic anhydride copolymer partial monoester. 2. The composite film of claim 1, wherein the coating is on both of the first and second sides. 3. The composite film of claim 1, wherein the polymer is hydroxypropylcellulose. 4. The composite film of claim 1, wherein the composite film forms part of an optical device. 5. A method of making a composite film, comprising the steps of: a) providing an unoriented or monoaxially oriented polyester film substrate having first and second sides;b) forming on at least one of said first and second sides coating comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and an ammonia salt of a styrene maleic anhydride copolymer partial monoester, said forming comprising contacting said at least one side with a dispersion of the polymer, surfactant, colloidal silica and ammonia salt of a styrene maleic anhydride copolymer partial monoester in an aqueous diluent and then evaporating the aqueous diluent; andc) subsequent to step b), stretching the unoriented or monoaxially oriented polyester film substrate to respectively monoaxially or biaxially orient the substrate. 6. The method of claim 5, further comprising, after step c), d) heat setting the polyester substrate. 7. The method of claim 5, wherein the substrate of step a) is monoaxially oriented. 8. The method of claim 5, wherein step b) comprises forming a coating on both of the first and second sides. 9. The method of claim 5, wherein the polymer is hydroxypropylcellulose. 10. A polymeric or glass article having on a surface thereof a coating comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and an ammonia salt of a styrene maleic anhydride copolymer partial monoester. 11. A composition for coating an article, wherein the composition comprises, in an aqueous diluent, a dispersion comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and an ammonia salt of a styrene maleic anhydride copolymer partial monoester. 12. A coating comprising a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and an ammonia salt of a styrene maleic anhydride copolymer partial monoester.
Scholz Matthew T. ; Kausch William L. ; Boston David R. ; Zoborowski Joseph M., Coating composition having anti-reflective and anti-fogging properties.
Yahiaoui, Ali; Quincy, III, Roger Bradshaw; MacDonald, John Gavin; Steindorf, Eric Clayton; Brostin, Joel, Facemasks containing an anti-fog / anti-glare composition.
Doushita Kazuhiro,JPX ; Kamitani Kazutaka,JPX ; Teranishi Toyoyuki,JPX ; Sunada Takashi,JPX, Non-fogging article and process for the production thereof.
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