Provided is a fluororesin coating composition for forming a topcoat having improved non-tackiness and water and oil repellency. The fluororesin is crystalline tetrafluoroethylene and perfluoro(ethyl vinyl ether) copolymer having a perfluoro(ethyl vinyl ether) content of 8 to 20 mass % based on the total mass of the copolymer.

The An antifouling film includes: a substrate; and a polymer layer including on a surface thereof an uneven structure provided with projections at a pitch not longer than a wavelength of visible light. The polymer layer is a cured product of a polymerizable composition. The polymerizable composition contains, in terms of active components, 75 to 98 wt % of a polyfunctional acrylate, 0.5 to 10 wt % of a fluorine-based release agent, and 1 to 14 wt % of a monofunctional amide monomer. The polymer layer has a bottom temperature at which a storage modulus E of the polymer layer is minimum of 90 C. to 150 C. and a minimum storage modulus E of 0.9108 to 4.5108 Pa in a dynamic viscoelasticity measurement within a measurement temperature range of 50 C. to 250 C. and at a temperature increasing rate of 5 C./min and a frequency of 10 Hz.

This invention provides slippery liquid-infused porous surfaces (SLIPS) using nanoporous or microporous and chemically reactive polymer multilayers. This approach permits fabrication of slippery anti-fouling coatings on complex surfaces and provides new means to manipulate the mobilities of contacting aqueous fluids. The results expand the range of tools that can be used to manipulate the behaviors of SLIPS and open the door to new applications of this emerging class of soft materials.

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

A coating agent for preventing the adsorption of extracellular vesicles represented by exosomes to a tool has been developed. Adsorption of extracellular vesicles to a tool can be prevented by using a coating agent which contains a hydrophilic polymer having a weight average molecular weight of 10,000 or more and 1,000,000 or less, wherein a coated layer formed by the coating agent has a contact angle of 0 degree or more and 30 degrees or less.

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).

A coating composition including the following five components 1) to 5): 1) a fluorine-containing multifunctional (meth)acrylate; 2) a binder component that is free of fluorine and reacts with the 1) component; 3) metal oxide nanoparticles each including an organic group on a surface thereof; 4) a solvent having a total (P+H) of 8 MPa.sup.1/2 or more, the total (P+H) being a total of a polar term P and a hydrogen bond term H in Hansen solubility parameters; and 5) a reaction initiator.

A (meth)acrylic copolymer of the present invention includes a constituent unit (B) derived from a polysiloxane block-containing polymerizable monomer (b) represented by Formula (b1). In Formula (b1), R.sup.30 represents a hydrogen atom or a methyl group, a represents an integer of 2 to 5, b represents a number of 0 to 50, c represents an integer of 0 to 18, d represents a number of 1 to 1000, e represents a number of 1 to 80, R.sup.31 to R.sup.39 each represents an alkyl group, an alkoxy group, a phenyl group, a substituted phenyl group, a phenoxy group, or a substituted phenoxy group.

Disclosed are methods of preparing antifouling and chlorine-resistant coatings on reverse osmosis membranes with initiated chemical vapor deposition. The coatings enhance the stability and lifetime of membranes without sacrificing performance characteristics, such as permeability or salt retention.

The present invention relates to a formulation technology that forms an omniphobic, slippery gel coating The formulation technology makes use of the cross-linking between two hydrophobic polymer reagents, solvated in a hydrophobic polymer lubricant, as they are combined and deposited on a substrate.