Provided is a fluorine atom-containing polymer which is a condensation polymer of a fluorene derivative that provides a repeating unit represented by formula (1), a fluorene derivative that provides a repeating unit represented by formula (2) and a fluorene derivative that provides a repeating unit represented by formula (3). ##STR00001##

Provided is a fluorine atom-containing polymer which is a condensation polymer of a fluorene derivative that provides a repeating unit represented by formula (1), a fluorene derivative that provides a repeating unit represented by formula (2) and a fluorene derivative that provides a repeating unit represented by formula (3). ##STR00001##

The triarylamine compound is represented by the following general formula (1), and the material, the optical element, and the optical apparatus each include a polymerized product (cured product) of the triarylamine compound.

##STR00001##

(In the general formula (1), R.sup.1 and R.sup.2 are each independently selected from a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, and a substituted or unsubstituted alkylene group having 1 to 8 carbon atoms, the alkylene group having a polymerizable functional group, and R.sup.3 to R.sup.12 are each independently selected from a hydrogen atom, a cyano group, a trifluoromethyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkylene group having a polymerizable functional group, and a polymerizable functional group, provided that at least one of R.sup.3 to R.sup.12 represents an electron-withdrawing group, and at least one of R.sup.1 to R.sup.12 has a polymerizable functional group.)

Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the method comprising contacting an anticorrosion compound of Formula 1 with the surface, the anticorrosion compound of Formula 1 having a structure corresponding to: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are independently selected from hydrogen, hydroxyl, alkyl, alkoxyl, aryl, alkaryl, aralkyl, and NR.sup.8R.sup.9; R.sup.6 and R.sup.7 are independently hydrogen, a substituted alkyl, substituted alkenyl, substituted aryl, substituted alkaryl, or substituted aralkyl, wherein at least one substituent is a hydroxyl or an ether; provided that at least one of R.sup.6 and R.sup.7 is other than hydrogen; R.sup.8 and R.sup.9 are independently hydrogen, unsubstituted alkyl, unsubstituted alkenyl, unsubstituted aryl, unsubstituted alkaryl, unsubstituted aralkyl, substituted alkyl, substituted alkenyl, or substituted alkaryl, wherein at least one substituent is a hydroxyl or an ether; or any two adjacent groups of R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 form one or more ring structures.

Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the method comprising contacting an anticorrosion compound of Formula 1 with the surface, the anticorrosion compound of Formula 1 having a structure corresponding to: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are independently selected from hydrogen, hydroxyl, alkyl, alkoxyl, aryl, alkaryl, aralkyl, and NR.sup.8R.sup.9; R.sup.6 and R.sup.7 are independently hydrogen, a substituted alkyl, substituted alkenyl, substituted aryl, substituted alkaryl, or substituted aralkyl, wherein at least one substituent is a hydroxyl or an ether; provided that at least one of R.sup.6 and R.sup.7 is other than hydrogen; R.sup.8 and R.sup.9 are independently hydrogen, unsubstituted alkyl, unsubstituted alkenyl, unsubstituted aryl, unsubstituted alkaryl, unsubstituted aralkyl, substituted alkyl, substituted alkenyl, or substituted alkaryl, wherein at least one substituent is a hydroxyl or an ether; or any two adjacent groups of R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 form one or more ring structures.

The present invention relates to a compound of the following formula (I). The invention also relates to uses thereof as a chromophore as such or for building pigments displaying special optical effects, including metal-like reflection.

##STR00001##

The present invention relates to a compound of the following formula (I). The invention also relates to uses thereof as a chromophore as such or for building pigments displaying special optical effects, including metal-like reflection.

##STR00001##

The present invention relates to a leveling agent and an electrolytic composition comprising the same. When the via hole in the substrate is filled with the electrolytic composition according to the present invention, the via hole can be filled within a relatively short time while minimizing the formation of dimples or voids.

The present invention relates to a leveling agent and an electrolytic composition comprising the same. When the via hole in the substrate is filled with the electrolytic composition according to the present invention, the via hole can be filled within a relatively short time while minimizing the formation of dimples or voids.

The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof.