The present invention is to provide an antifouling coating composition capable of forming an antifouling coating film that exhibits a high antifouling performance even in a marine area having a heavy fouling load by animal species such as barnacles, has excellent slime resistance, and is prevented from cracking. Further, the present invention is also to provide an antifouling coating film, a substrate with an antifouling coating film and a method of producing the substrate, and an antifouling method, each using the composition. The antifouling coating composition of the present invention contains a polyorganosiloxane block-containing hydrolyzable copolymer (A) and medetomidine (B), wherein the polyorganosiloxane block-containing hydrolyzable copolymer (A) contains (i) a constituent unit derived from a hydrolyzable group-containing monomer (a1) and (ii) a constituent unit derived from a polyorganosiloxane block-containing monomer (a2).

Provided is an antifouling hard coating film including a cured layer of a composition for forming a hard coating layer including an epoxy siloxane resin, disposed on a substrate, and an antifouling layer including a fluorine-substituted silsesquioxane resin, disposed on the cured layer, the antifouling hard coating film having excellent interlayer bonding force, hardness, and antifouling property, and suppressed curling.

Provided is an antifouling hard coating film including a cured layer of a composition for forming a hard coating layer including an epoxy siloxane resin, disposed on a substrate, and an antifouling layer including a fluorine-substituted silsesquioxane resin, disposed on the cured layer, the antifouling hard coating film having excellent interlayer bonding force, hardness, and antifouling property, and suppressed curling.

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.

A method for producing an anti-fouling coating film includes: a step (1) of applying a fine uneven layer forming agent containing at least one type of polysilazane as at least one type of silica raw material on at least one surface of a base substrate, the aforementioned at least one surface comprising at least one type of resin, to form a fine uneven layer containing silica and polysilazane; a step (2) of applying a modification layer forming agent containing a reactive organic compound and polysiloxane or perfluoropolyether on a surface of the fine uneven layer obtained in the step (1), to form a modification layer containing polysiloxane or perfluoropolyether, and a step (3) of applying lubricating oil containing silicone oil or fluorinated oil on a surface of the modification layer obtained in the step (2), to form a lubricating oil layer.

An object of the present invention is to provide a coating film forming composition that can form a coating film stably exhibiting an inhibiting effect on the adhesion of aquatic organisms even in the presence of physical factors, for example, water flow in the water. The present invention relates to a coating film forming composition for forming a coating film, the coating film forming composition containing a silicone resin and a silicone oil, wherein a coating film formed of the coating film forming composition satisfies the following (1) and (2). (1) A water contact angle of the coating film after the elapse of 5 minutes after dropping water on the coating film is 80 or less. (2) A water contact angle of the coating film after the elapse of 5 minutes after bringing the coating film into contact with methanol for 3 hours, followed by dropping water on the coating film is 80 or less.

The present invention pertains to a room-temperature-curable organopolysiloxane composition containing (A) an organopolysiloxane having the hydrolyzable silyl-group-containing monovalent organic group represented by formula (1)

##STR00001## (R.sup.1 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, R.sup.2 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, and R.sup.3 represents a substituted or unsubstituted C1-20 alkyl group or a hydrogen atom; M is an integer from 1 to 3, and n is an integer of 2 or more; and the broken line represents atomic bonding), (B) a hydrolyzable organosilane compound and/or a partially hydrolyzed condensate thereof, (C) a curing catalyst, and (F) a bleed oil. According to this configuration, an organotin-compound-free and MEKO-free product is achieved, exceptional fast-curing properties are achieved, and a cured coating film has exceptional rubber strength and exceptional antifouling performance over a long period of time.

Marine coatings including cationic polymers hydrolyzable to nonfouling zwitterionic polymers, coated marine surfaces, and methods for making and using the marine coatings.

Embodiments herein relate to a non-aqueous liquid foul release coating composition for controlling aqueous biofouling on man-made objects comprising a moisture curable polysiloxane comprising repeating units of according to formula (I) as described in the application

and at least one terminal or pendant group of according to formula (II) as described in the application;
and
at least one of a marine biocide or a non-volatile component comprising units selected from hydrocarbyl, heterocarbyl, halocarbyl, ether, ester, amide, ketone, siloxane, urethane or urea groups. Embodiments herein further relate to a substrate coated with such coating composition and to processes of use of such coating compositions to control aquatic biofouling of a man-made object.

A (meth)acrylic copolymer of the present invention includes at least one constituent unit (A) selected from the group consisting of a constituent unit (A1) having at least one structure (I) represented by Formula (1), Formula (2), or Formula (3), a constituent unit (A2) containing a triorganosilyloxycarbonyl group, and a constituent unit (A3) having at least one structure (III) represented by Formula (4) or Formula (5), a constituent unit (B) derived from a specific polysiloxane block-containing polymerizable monomer (b), and a constituent unit (C) derived from a macromonomer (c).