摘要:
Curable film-forming sol-gel compositions that are essentially free of inorganic oxide particles are provided. The compositions contain: a tetraalkoxysilane; a solvent component; and non-oxide particles, and further contain either i) a mineral acid or ii) an epoxy functional trialkoxysilane and a metal-containing catalyst. Coated articles demonstrating antiglare properties are also provided, comprising: (a) a substrate having at least one surface; and (b) a cured film-forming composition applied thereon, formed from a curable sol-gel composition comprising a silane and non-oxide particles. A method of forming an antiglare coating on a substrate is also provided. The method comprises: (a) applying a curable film-forming sol-gel composition on at least one surface of the substrate to form a coated substrate; and (b) subjecting the coated substrate to thermal conditions for a time sufficient to effect cure of the sol-gel composition and form a coated substrate with a sol-gel network layer having anti-glare properties.
摘要:
Touch screen displays and other coated articles demonstrating antiglare properties are provided. A method of forming an antiglare coating on a substrate is also provided, and may be used to prepare the coated articles. The method comprises: (a) heating the substrate to a temperature of at least 100° F. (37.8° C.) to form a heated substrate; (b) applying a curable film-forming composition on at least one surface of the heated substrate to form a substrate coated with a sol-gel layer; and (c) subjecting the coated substrate to thermal conditions for a time sufficient to effect cure of the sol-gel layer. The curable film-forming composition comprises: (i) a silane; (ii) a mineral acid; and (iii) a solvent; wherein the weight ratio of mineral acid to silane is greater than 0.008:1 and the curable film-forming composition has a solids content of less than 10 percent by weight.
摘要:
A substrate at least partially coated with an anti-fingerprint coating is prepared from a coating composition that includes: (a) an organic solvent; and (b) an alkoxysilane functional polymer having at least one ester linkage, at least one urethane linkage, and at least one alkoxysilane functional group. Further, the polymer is prepared from components including: (i) an active hydrogen functional compound having a hydroxyl group, amino group, thiol group, or a combination thereof; (ii) an intramolecular cyclic ester; and (iii) an isocyanate functional compound. The isocyanate functional compound (iii) has one or more alkoxysilane functional groups. Alkoxysilane functional polymers and coating compositions containing the same are also included.
摘要:
Coated articles demonstrating anti-fouling properties are provided, comprising: (a) a substrate comprising sapphire; (b) an adhesion promoting layer applied to the substrate; and (c) a top layer comprising at least an anti-fouling coating applied to the adhesion promoting layer. The adhesion promoting layer is formed from a curable sol-gel composition and has a dry film thickness less than 1000 nm after curing. The present invention also provides a method of forming a coated article comprising: (a) applying a curable film-forming sol-gel composition on a sapphire substrate, to form a coated substrate with a sol-gel adhesion promoting layer having a dry film thickness less than 1000 nm after curing; (b) subjecting the coated substrate to a temperature of at least 500° C. to effect cure of the sol-gel composition; and (c) applying at least an anti-fouling coating on the adhesion promoting layer to form a multi-layer, coated article.
摘要:
Touch screen displays and other coated articles demonstrating antiglare properties are provided. A method of forming an antiglare coating on a substrate is also provided, and may be used to prepare the coated articles. The method comprises: (a) heating the substrate to a temperature of at least 100° F. (37.8° C.) to form a heated substrate; (b) applying a curable film-forming composition on at least one surface of the heated substrate to form a substrate coated with a sol-gel layer; and (c) subjecting the coated substrate to thermal conditions for a time sufficient to effect cure of the sol-gel layer. The curable film-forming composition comprises: (i) a silane; (ii) a mineral acid; and (iii) a solvent; wherein the weight ratio of mineral acid to silane is greater than 0.008:1 and the curable film-forming composition has a solids content of less than 10 percent by weight.
摘要:
Coated articles demonstrating antireflective properties are provided. Exemplary coated articles comprise a substrate and two or three coating layers applied to at least one surface of the substrate; the coatings are deposited from sol-gel compositions comprising a silane. Each adjacent coating layer demonstrates a different refractive index. The coated article further comprises an outermost anti-fouling coating layer applied to at least one surface of a coating layer. Processes for forming the coated articles are also provided.
摘要:
A method of forming an anti-glare coating on a substrate is provided. The method comprises: (a) heating the substrate to a temperature of at least 100° F. (37.8° C.) to form a heated substrate; (b) applying a curable film-forming sol-gel composition on at least one surface of the heated substrate, to form a coated substrate with a sol-gel network layer having a surface roughness; and (c) subjecting the coated substrate to conditions for a time sufficient to effect cure of the sol-gel layer and form an anti-glare, coated article. The sol-gel network layer is essentially free of inorganic oxide particles and comprises: (i) a tetraalkoxysilane; (ii) an epoxy functional trialkoxysilane; (iii) a metal-containing catalyst; and (iv) a solvent component. Coated articles prepared by the method above and demonstrating anti-glare properties are also provided.