Protective coatings for microporous sheets
First Claim
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1. A microporous sheet coated with a protective coating comprising a UV absorber and a binder, wherein the binder comprises a polyurethane acrylic, polyurea, polysiloxane, polyester, polyether, polycarbonate, polyamide, epoxy vinyl and/or thiolene.
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Abstract
Microporous sheets coated with protective coatings are disclosed. The protective coatings comprise a UV absorber, and may also comprise a light stabilizer. The coated microporous sheets exhibit favorable physical properties including high QUV resistance and exterior durability. The coated microporous sheets may be used for applications such as advertising displays, banners, printed materials and sports equipment.
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Citations
38 Claims
- 1. A microporous sheet coated with a protective coating comprising a UV absorber and a binder, wherein the binder comprises a polyurethane acrylic, polyurea, polysiloxane, polyester, polyether, polycarbonate, polyamide, epoxy vinyl and/or thiolene.
- 9. The microporous sheet of claim 9, wherein the binder comprises a polyurethane.
- 28. A method of coating a microporous sheet, the method comprising applying a flowable UV absorbing protective coating on the microporous sheet, wherein the coating comprises a polyurethane acrylic, polyurea, polysiloxane, polyester, polyether, polycarbonate, polyamide, epoxy vinyl and/or thiolene.
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