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 waterborne coating composition including: an aqueous emulsion polymer having a copolymerized Phosphorous-acid monomer, an aqueous dispersion of cement, and a solid inert filler, each in certain amounts, is provided. A method for providing a coated substrate employing the waterborne coating composition that has been subsequently activated and the coated substrate so formed are also provided.

A coating composition for wafer protection and a method of manufacturing a semiconductor package, the coating composition includes a solvent; about 1 weight percent (wt %) to about 40 wt % of a water-soluble polymer; and about 0.01 wt % to about 30 wt % of a nano light-emitting filler.

A surface treatment agent which is an aqueous emulsion containing: (a) a fluorine-free polymer including: (i) repeating units derived from a long-chain (meth)acrylate ester monomer represented by the formula: CH.sub.2CA.sup.11-C(O)O-A.sup.12, wherein A.sup.11 is a hydrogen atom or a methyl group, and A.sup.12 is a linear or branched aliphatic hydrocarbon group having 10-30 carbon atoms; (b) a surface active agent including both of a nonionic surface active agent and an anionic surface active agent, wherein the amount of the anionic surface active agent is at least 22% by weight, based on the total of the nonionic surface active agent and the anionic surface active agent; and (c) a liquid medium comprising water.

A microbial growth and dust retardant roofing shingle comprising a substrate and a pore filling composition applied on the surface of the substrate is disclosed. The pore filling composition comprises a silane or acrylic composition. A method of protecting a substrate from microbial growth and soiling using the pore filling composition of the present disclosure is also disclosed.

Durable, anti-fouling, crosslinked zwitterionic coatings that are grafted to the surface of a substrate through covalent bonding are disclosed. When exposed to a light source, zwitterionic monomers react with a crosslinker and with activated radicals at the surface of the substrate, simultaneously forming the crosslinked zwitterionic coating and anchoring it to the surface of the substrate. Photomasking techniques can be used to micropattern the zwitterionic coatings. The zwitterionic coatings can be applied to a variety of substrates, including medical devices and systems.

A surface-treating agent including a fluoropolyether group-containing silane compound (A) represented by the following formula (1) and a fluoropolyether group-containing silane compound (B) represented by the following formula (2):

R.sup.F1.sub.?X.sup.AR.sup.S1.sub.?(1)

R.sup.S2.sub.?X.sup.BR.sup.F2X.sup.BR.sup.S2.sub.?(2).

A modified conductive structure includes a conductive substrate and a polymer film disposed over a surface of the polymer film. A chemical bond exists between the polymer film and the conductive substrate, and the polymer film includes repeating units as shown below: ##STR00001## wherein A is an antifouling molecule group; B is a sulfur-containing group or a nitrogen-containing group; R is a single bond or a first linking group; C is -L-E, wherein L is a second linking group, E is an enzyme unit; x and z are each independently 0 or an integer from 1 to 10000, and y is an integer from 1 to 10000; o is 0 or an integer from 1 to 50, and when o is an integer from 1 to 50, m and n are each independently 0 or an integer from 1 to 50.

A hydroxyl-covered silicon quantum dot nanoparticle having a silicon core, a plurality of silicon quantum dots, and a plurality of hydrocarbon chains is illustrated. A first portion of a surface associated with the silicon core is passivated by a plurality of silicon hydroxyl groups (SiOH). The silicon quantum dots are attached to a second portion of the surface associated with the silicon core. The hydrocarbon chains are bonded to each of the silicon quantum dots through a plurality of silicon carbide bonds (SiC), wherein each termination of the hydrocarbon chains has a carbon hydroxyl group (COH), such that the hydroxyl-covered silicon quantum dot nanoparticle is thoroughly covered by the carbon hydroxyl groups (COH) and the silicon hydroxyl groups (SiOH).

An antifouling structure of the present invention includes: a non-volatile liquid; a microporous structure layer retaining the non-volatile liquid; and a base with the microporous structure layer on a surface of the base.

A surface roughness (Rz) of the microporous structure layer and a film thickness (T) of the non-volatile liquid satisfy Rz<T.

The automobile part with an antifouling structure of the present invention includes the above-described antifouling structure.