An article includes a polymer. The polymer includes a product of a crosslinking reaction including at least one cross-linker selected from the group consisting of: a) di-acrylates, tri-acrylates, and tetra-acrylates; b) modified tri-acrylates and tetra-acrylates; c) silanes and siloxanes; and d) triazinane-triones.

An article includes a polymer. The polymer includes a product of a crosslinking reaction including at least one cross-linker selected from the group consisting of: a) di-acrylates, tri-acrylates, and tetra-acrylates; b) modified tri-acrylates and tetra-acrylates; c) silanes and siloxanes; and d) triazinane-triones.

A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and/or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and/or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.

A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and/or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and/or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.

Disclosed is a resin comprising a structural unit derived from a compound represented by formula (I′) and a structural unit having an acid-labile group: ##STR00001## ##STR00002##
wherein R.sup.1 and R.sup.2 each independently represent an alkyl group which may have a halogen atom, a hydrogen atom or a halogen atom,
Ar represents an aromatic hydrocarbon group which may have a substituent,
L.sup.1 represents a group represented by formula (X.sup.1-1), etc.,
L.sup.11, L.sup.13, L.sup.15 and L.sup.17 each independently represent an alkanediyl group,
L.sup.12, L.sup.14, L.sup.16 and L.sup.18 each independently represent —O—, —CO—, —CO—O—, —O—CO— or —O—CO—O—, and
* and ** are bonds, and ** represents a bond to an iodine atom.

Disclosed is a resin comprising a structural unit derived from a compound represented by formula (I′) and a structural unit having an acid-labile group: ##STR00001## ##STR00002##
wherein R.sup.1 and R.sup.2 each independently represent an alkyl group which may have a halogen atom, a hydrogen atom or a halogen atom,
Ar represents an aromatic hydrocarbon group which may have a substituent,
L.sup.1 represents a group represented by formula (X.sup.1-1), etc.,
L.sup.11, L.sup.13, L.sup.15 and L.sup.17 each independently represent an alkanediyl group,
L.sup.12, L.sup.14, L.sup.16 and L.sup.18 each independently represent —O—, —CO—, —CO—O—, —O—CO— or —O—CO—O—, and
* and ** are bonds, and ** represents a bond to an iodine atom.

Radiopaque polymer compositions and methods for making the compositions are provided. These radiopaque polymer compositions include polymer compositions comprising a crosslinked polymer network, the network comprising a first repeating unit derived from a monofunctional monomer and a second repeating unit derived from a multifunctional non-iodinated monomer wherein neither of the two monomers is fluorinated. Devices formed from radiopaque polymer compositions are also provided.

The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a fluorine-based UV-curable-functional-group-containing compound, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, and the surface roughness (Ra) value of the hard coating layer is 1 nm or less, whereby the hard coating film can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer not including a separate antifouling layer, and is remarkably improved in an antifouling effect based on the low surface roughness thereof due to the absence of inorganic fine particles, and the improved antifouling effect can be effectively maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.

The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a fluorine-based UV-curable-functional-group-containing compound, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, and the surface roughness (Ra) value of the hard coating layer is 1 nm or less, whereby the hard coating film can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer not including a separate antifouling layer, and is remarkably improved in an antifouling effect based on the low surface roughness thereof due to the absence of inorganic fine particles, and the improved antifouling effect can be effectively maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.

A resist composition including a base component and a fluorine additive component (F), the component (F) including a copolymer having a structural unit (f1) represented by general formula (f1-1) or (f1-2), and a structural unit (f2) represented by general formula (f2-1) (in formula (f1-1) and (f2-1), R represents a hydrogen atom or the like; at least one of Raf.sup.11 and Raf.sup.12, and at least one of Raf.sup.13 and Raf.sup.14 represents a hydrocarbon group substituted with a fluorine atom, and the total number of carbon atoms is 3 or more, provided that a hydrocarbon group forming a bridge structure is excluded; and the structural unit (f2) has a specific acid dissociable group containing an aliphatic cyclic group having no bridge structure ##STR00001##