An object of the present invention is to provide a mixture of cyclophosphazenes suitably substituted with phenoxy having a polymerizable functional group, such as allyl, on the phenyl ring and a production method for the mixture. The invention relates to a mixture of cyclophosphazene compounds that each contain a plurality of constituent units linked to each other, each constituent unit being represented by formula (I):

##STR00001##

wherein R.sup.1 and R.sup.2 are identical or different and represent C.sub.1-4 alkyl or the like, the mixture containing cyclophosphazene compounds in which 3, 4, and 5 constituent units represented by formula (I) are linked, wherein the cyclophosphazene compound containing 3 linked constituent units is cyclophosphazene compound (I-A) with a specific structure, compound (I-A) includes cyclophosphazene compounds (I-A2) and (I-A3) having a specific structure, and compounds (I-A2) and (I-A3) are present in an amount of 80 wt % or more in total in cyclophosphazene compound (I-A).

Objects are to provide a fluorine-containing active energy ray curable resin which may be suitably used as a surfactant in an aqueous active energy ray curable resin composition, to provide an active energy ray curable resin composition including the resin, and to provide a cured product obtained by curing the composition. Specifically, a fluorine-containing active energy ray curable resin is provided which includes a polymer structure (a1) derived from a radically polymerizable unsaturated monomer, a poly(perfluoroalkylene ether) chain (a2), a radically polymerizable unsaturated group (a3), and an acid group forming a neutral salt structure (a4). Also provided are a surfactant including the fluorine-containing active energy ray curable resin; an active energy ray curable resin composition including the fluorine-containing active energy ray curable resin, an active energy ray curable hydrophilic resin other than the fluorine-containing active energy ray curable resin, and water; and a cured film of the composition.

Objects are to provide a fluorine-containing active energy ray curable resin which may be suitably used as a surfactant in an aqueous active energy ray curable resin composition, to provide an active energy ray curable resin composition including the resin, and to provide a cured product obtained by curing the composition. Specifically, a fluorine-containing active energy ray curable resin is provided which includes a polymer structure (a1) derived from a radically polymerizable unsaturated monomer, a poly(perfluoroalkylene ether) chain (a2), a radically polymerizable unsaturated group (a3), and an acid group forming a neutral salt structure (a4). Also provided are a surfactant including the fluorine-containing active energy ray curable resin; an active energy ray curable resin composition including the fluorine-containing active energy ray curable resin, an active energy ray curable hydrophilic resin other than the fluorine-containing active energy ray curable resin, and water; and a cured film of the composition.

The present specification relates to a coating composition comprising a compound represented by Chemical Formula 1; and an ionic compound comprising an anion group represented by Chemical Formula 10, an organic light emitting device using the same, and a method for manufacturing the same.

The present specification relates to a coating composition comprising a compound represented by Chemical Formula 1; and an ionic compound comprising an anion group represented by Chemical Formula 10, an organic light emitting device using the same, and a method for manufacturing the same.

Provided is a polyfunctional vinyl aromatic copolymer having reactivity and solubility that can be used for manufacturing a copolymer rubber and a copolymer rubber material having processability, strength and homogeneity obtained therefrom. The polyfunctional vinyl aromatic copolymer includes: 0.5 mol % or more and 40 mol % or less of a structural unit (a) derived from a divinyl aromatic compound and 60 mol % or more and 99.5 mol % or less of a structural unit (b) derived from a monovinyl aromatic compound, in which at least some of the structural units (a) are a crosslinked structural unit (a2) represented by the following Formula (2) and a vinyl-group-containing structural unit (a1) represented by the following Formula (1):

##STR00001##

in the formulas, R.sup.1's independently represent an aromatic hydrocarbon group having 6 to 30 carbon atoms.

Provided is a polyfunctional vinyl aromatic copolymer having reactivity and solubility that can be used for manufacturing a copolymer rubber and a copolymer rubber material having processability, strength and homogeneity obtained therefrom. The polyfunctional vinyl aromatic copolymer includes: 0.5 mol % or more and 40 mol % or less of a structural unit (a) derived from a divinyl aromatic compound and 60 mol % or more and 99.5 mol % or less of a structural unit (b) derived from a monovinyl aromatic compound, in which at least some of the structural units (a) are a crosslinked structural unit (a2) represented by the following Formula (2) and a vinyl-group-containing structural unit (a1) represented by the following Formula (1):

##STR00001##

in the formulas, R.sup.1's independently represent an aromatic hydrocarbon group having 6 to 30 carbon atoms.

A polymer film comprising anionic groups and 0.008 to 25 mg/g of each of components (a) and (b): (a) a crosslinking agent which is free from fluoro groups and comprises a group of Formula (I); and (b) a non-ionic crosslinking agent; Formula (I) wherein M.sup.+ is a cation and * indicates the attachment points to other elements of the crosslinking agent.

##STR00001##

A polymer film comprising anionic groups and 0.008 to 25 mg/g of each of components (a) and (b): (a) a crosslinking agent which is free from fluoro groups and comprises a group of Formula (I); and (b) a non-ionic crosslinking agent; Formula (I) wherein M.sup.+ is a cation and * indicates the attachment points to other elements of the crosslinking agent.

##STR00001##

An object of the present invention is to provide a mixture of cyclophosphazenes suitably substituted with phenoxy having a polymerizable functional group, such as allyl, on the phenyl ring and a production method for the mixture. The invention relates to a mixture of cyclophosphazene compounds that each contain a plurality of constituent units linked to each other, each constituent unit being represented by formula (I): ##STR00001##
wherein R.sup.1 and R.sup.2 are identical or different and represent C.sub.1-4 alkyl or the like, the mixture containing cyclophosphazene compounds in which 3, 4, and 5 constituent units represented by formula (I) are linked, wherein the cyclophosphazene compound containing 3 linked constituent units is cyclophosphazene compound (I-A) with a specific structure, compound (I-A) includes cyclophosphazene compounds (I-A2) and (I-A3) having a specific structure, and compounds (I-A2) and (I-A3) are present in an amount of 80 wt % or more in total in cyclophosphazene compound (I-A).