Provided are a composition for forming a coating film, a coating film and a substrate having the coating film, which have excellent compatibility with biological substances, as well as a method for producing the same. A composition for forming a coating film having the ability to inhibit adhesion of biological substances, the composition comprising a copolymer and a solvent, wherein the copolymer is obtained by subjecting a monomer mixture to polymerization, wherein the monomer mixture comprises compounds represented by the following formulae (1), (2), and (3):

##STR00001## wherein R.sup.1 to R.sup.6, n, and m are as defined in the Description and Claims, wherein the compound represented by the formula (3) above is contained in a predetermined amount in the monomer mixture, a coating film obtained from the composition, and a substrate having the coating film as well as a method for producing the same.

Provided are a composition for forming a coating film, a coating film and a substrate having the coating film, which have excellent compatibility with biological substances, as well as a method for producing the same. A composition for forming a coating film having the ability to inhibit adhesion of biological substances, the composition comprising a copolymer and a solvent, wherein the copolymer is obtained by subjecting a monomer mixture to polymerization, wherein the monomer mixture comprises compounds represented by the following formulae (1), (2), and (3):

##STR00001## wherein R.sup.1 to R.sup.6, n, and m are as defined in the Description and Claims, wherein the compound represented by the formula (3) above is contained in a predetermined amount in the monomer mixture, a coating film obtained from the composition, and a substrate having the coating film as well as a method for producing the same.

Disclosed are a superhydrophobic coating with abrasion resistance and a preparation method thereof. The coating has a composite structure formed by a nanohybrid composed of nano-SiO.sub.2 and multi-wallet carbon nanotubes, and a resin as a matrix.

In an embodiment, the present disclosure pertains to a method of coating a substrate to impart antiviral and water resistance to the substrate. In general, the method includes obtaining a substrate and applying a coating composition to the substrate. In some embodiments, the coating composition imparts antiviral and water resistance properties to the substrate. In some embodiments, the coating composition has an antiviral method of action against a virus by causing damage to at least one of a capsid of the virus, an outer envelope of a protein layer of the virus, a spike protein of the virus, a cellular membrane of the virus, or combinations thereof.

The environmental-friendly antifouling agent includes a furan oxime and/or furan oxime metal complex, which has not only good antifouling performance, low toxicity and high efficiency and environmental friendliness. The ecological toxicity of the non-target organism is less than 15% of that of metals such as copper and chromium and organic matters such as benzoxazole, and the excellent barrier property of the furan ring structure itself on small molecules such as oxygen and water vapor can also significantly improve the barrier effect of a coating on a typical corrosive factor. The antifouling agent combined with an antifouling coating system can greatly improve the corrosion resistance of the coating system. Meanwhile, such the antifouling agent is easy to synthesize, can be well compatible with self-polishing resins, corrosion type resins and the like.

An anti-fouling silicone composite sheet includes a substrate layer, and a silicone adhesive layer stacked on one surface of the substrate layer, and has a hardness of 5 or less measured with an Asker C hardness tester and an adhesive force of 5 N/25 mm or more with respect to a mortar test piece, in which a surface of the substrate layer which is located on a side opposite to the surface where the silicone adhesive layer is stacked is a surface anti-fouling-treated with a silicone hard coating agent containing a fluorine-containing silicone compound. An anti-fouling silicone composite sheet is capable of exhibiting anti-fouling performance and washability stably for a long period, easily attachable to an adherend, and followable even to cracking and shifting on the application surface; and a method for preventing graffiti by using the anti-fouling silicone composite sheet.

An anti-fouling silicone composite sheet includes a substrate layer, and a silicone adhesive layer stacked on one surface of the substrate layer, and has a hardness of 5 or less measured with an Asker C hardness tester and an adhesive force of 5 N/25 mm or more with respect to a mortar test piece, in which a surface of the substrate layer which is located on a side opposite to the surface where the silicone adhesive layer is stacked is a surface anti-fouling-treated with a silicone hard coating agent containing a fluorine-containing silicone compound. An anti-fouling silicone composite sheet is capable of exhibiting anti-fouling performance and washability stably for a long period, easily attachable to an adherend, and followable even to cracking and shifting on the application surface; and a method for preventing graffiti by using the anti-fouling silicone composite sheet.

Disclosed herein is an anti-biofouling copolymer including a first structural unit represented by formula (I) and a second structural unit represented by formula (II),

##STR00001##

wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed herein is a method for preparing an anti-biofouling copolymer which includes subjecting a first compound represented by formula (a) to polymerization reaction with a second compound represented by formula (b),

##STR00002##

wherein each of the substituents is given the definition as set forth in the Specification and Claims.

A process for forming a fingerprint-resistant coating on a substrate comprising activating the substrate by exposure to a plasma, and then depositing on the activated substrate at least one alkyl backbone monolayer, and hydroxyl-polyhedral oligomeric silsesquioxane (OH-POSS) nanoparticles.

First embodiment of a (meth)acrylic copolymer in the present invention includes following: a (meth)acrylic copolymer having at least one kind of constitutional unit selected from the group consisting of a constitutional unit (A1) having at least one kind of structure (I) selected from the group consisting of structures represented by the following formula (1), formula (2), or formula (3) and a constitutional unit (A2) having a triorganosilyloxycarbonyl group and a constitutional unit (B) derived from a macromonomer (b): ##STR00001## (where, X represents —O—, —S—, or —NR.sup.14—, R.sup.14 represents a hydrogen atom or an alkyl group, R.sup.1 and R.sup.2 each represent a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, R.sup.3 and R.sup.5 each represent an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group, or an aryl group, and R.sup.4 and R.sup.6 each represent an alkylene group having from 1 to 10 carbon atoms).