Abstract: Provided is an aniline derivative represented by formula (1). (In formula (1), R1 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group having 6-20 carbon atoms, a heteroaryl group, or a group represented by formula (2), and R2-R55 independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxy group, a thiol group, a carboxylic acid group, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heteroaryl group, etc.

Abstract: A charge transport material containing a charge transport substance that is composed of a compound represented by formula (1) and another charge transport substance that is composed of a charge transport compound having a molecular weight of 200-9,000 exhibits good solubility in an organic solvent. A charge transport varnish, from which a charge transport thin film having excellent charge transport properties, flatness and uniformity is formed with good reproducibility, is able to be prepared by dissolving the above-described charge transport material in an organic solvent.

Abstract: Aniline derivatives such as those represented by the formulas shown, for example, have good solubility in organic solvents, and are able to provide organic electroluminescent elements having excellent longevity when thin films containing said aniline derivatives as charge transporting substances are used for hole injection layers.

Abstract: Aniline derivatives such as those represented by the formulas shown, for example, have good solubility in organic solvents, and are able to provide organic electroluminescent elements having excellent longevity when thin films containing said aniline derivatives as charge transporting substances are used for hole injection layers.

Abstract: Provided is a charge-transporting varnish which comprises an amide compound containing fluorine atoms and represented by formula (1) and a charge-transporting substance. [In the formula, Ar1 represents a group represented by any of formulae (1-1) to (1-9) and Ar2 and Ar3 each represent a given fluorinated aryl or aralkyl group.

Abstract: Provided are: a charge-transporting varnish that contains a charge-transporting substance comprising an oligoaniline derivative represented by formula (1), a charge transporting substance that does not contain fluorine atoms, and an organic solvent; and an organic electroluminescent element including a thin film obtained from the varnish. (In the formula: R1 represents a hydrogen atom or an alkyl group that may be substituted; R2 to R10 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, or an alkyl group, alkenyl group, alkynyl group, aryl group or heteroaryl group that may be substituted; A represents a prescribed fluorine atom-containing substituent; and k represents an integer from 1 to 20.

Abstract: A triphenylamine derivative represented by formula (1) exhibits good solubility in an organic solvent and allows an organic EL element having excellent luminance characteristics to be achieved when formed into a thin film and applied to a positive hole injection layer. (In the formula, R1 to R17 mutually independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an amino group, an aldehyde group, a hydroxyl group, a thiol group, a carboxylic acid group, and the like; and l, m, and n mutually independently represent an integer 1 to 5.

Abstract: A charge transport material containing a charge transport substance that is composed of a compound represented by formula (1) and another charge transport substance that is composed of a charge transport compound having a molecular weight of 200-9,000 exhibits good solubility in an organic solvent. A charge transport varnish, from which a charge transport thin film having excellent charge transport properties, flatness and uniformity is formed with good reproducibility, is able to be prepared by dissolving the above-described charge transport material in an organic solvent.

Abstract: The invention provides a charge-transporting varnish, containing a charge-transporting substance formed of an indolocarbazole represented by the following formula (1), a dopant substance, and an organic solvent.

Abstract: An aniline derivative represented by the formula, for instance, has good solubility in organic solvents, and when a thin film comprising such derivative as a charge-transporting substance is used in a hole injection layer, an organic EL element having excellent luminance characteristics can be obtained.

Abstract: Aniline derivatives such as are represented by, e.g., the formula have excellent solubility in organic solvents and make it possible to obtain an organic EL element having exceptional brightness characteristics when a thin film containing these derivatives as a charge transport material is applied to a hole injection layer.

Abstract: An aniline derivative represented by the formula, for instance, has good solubility in organic solvents, and when a thin film comprising such derivative as a charge-transporting substance is used in a hole injection layer, an organic EL element having excellent luminance characteristics can be obtained.

Abstract: There is provided a method for bonding together hydrogels by interposing a polyalkylene glycol between the gel surfaces to be bonded together of hydrogels. A method for bonding together hydrogels of the same type or different types, the method including: interposing a polyalkylene glycol between gel surfaces to be bonded together of the hydrogels and joining together the gel surfaces.

Abstract: Aniline derivatives such as those represented by the formula shown, for example, have good solubility with respect to organic solvents, and are able to provide an organic electroluminescent element having excellent luminance characteristics when a thin film containing said aniline derivatives is used as a charge transporting substance in a hole injection layer. (In the formula, DPA represents a diphenylamino group.

Abstract: An organic/inorganic composite hydrogel can be prepared only through mixing at a room temperature and that has high modulus of elasticity and a self-supporting property that allows a shape to be maintained in water, and a method produces the hydrogel. A hydrogel forming composition that is capable of forming a hydrogel having a self-supporting property, includes: a water-soluble organic polymer having an organic acid structure, an organic acid salt structure, or an organic acid anion structure; a silicate salt; a dispersant for the silicate salt; and a compound having or generating divalent or higher valent positive charge; a hydrogel formed of the composition, and a method for producing the hydrogel.

Abstract: Provided is an aniline derivative represented by formula (1). (In formula (1), R1 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group having 6-20 carbon atoms, a heteroaryl group, or a group represented by formula (2), and R2-R55 independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxy group, a thiol group, a carboxylic acid group, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heteroaryl group, etc.

Abstract: A triphenylamine derivative represented by formula (1) exhibits good solubility in an organic solvent and allows an organic EL element having excellent luminance characteristics to be achieved when formed into a thin film and applied to a positive hole injection layer. (In the formula, R1 to R17 mutually independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an amino group, an aldehyde group, a hydroxyl group, a thiol group, a carboxylic acid group, and the like; and l, m, and n mutually independently represent an integer 1 to 5.

Abstract: There is provided a hydrogel having a self-supporting property that can be produced only through mixing at room temperature, and there is provided a method by which the hydrogel can be manufactured by using industrially easily available raw materials. A hydrogel-forming composition that is capable of forming a hydrogel having a self-supporting property, the hydrogel-forming composition characterized by including: a water-soluble organic polymer having an organic acid salt structure or an organic acid anion structure; a silicate salt; and a dispersant for the silicate salt, having a weight average molecular weight of 200 to 20,000 and having hydrolysis resistance.

Abstract: There is provided a self-supporting hydrogel that can be produced only through mixing at room temperature and that has a high mechanical strength. A hydrogel forming composition that is capable of forming a hydrogel having a self-supporting property, the hydrogel forming composition characterized by including: a water-soluble organic polymer having an organic acid salt structure or an organic acid anion structure; a silicate salt; a dispersant for the silicate salt; and a polyhydric alcohol, and having an extremely high mechanical strength.

Abstract: There is provided a self-supporting hydrogel that can be produced only through mixing at room temperature and that has a high mechanical strength. A hydrogel forming composition that is capable of forming a hydrogel having a self-supporting property, the hydrogel forming composition characterized by including: a water-soluble organic polymer having an organic acid salt structure or an organic acid anion structure; a silicate salt; a dispersant for the silicate salt; and a polyhydric alcohol, and having an extremely high mechanical strength.