Provided is a charge-transporting varnish which includes a charge-transporting material including fluorine atoms, a charge-transporting material not including fluorine atoms, a dopant material comprising heteropoly acid, and an organic solvent, said charge-transporting material including fluorine atoms being a polymer of weight-average 1,000 to 200,000 molecular weight obtained by condensing a triarylamine compound, an aryl aldehyde compound including fluorine atoms, and a fluorine derivative having a carbonyl group, and said charge-transporting material not including fluorine atoms being an oligoaniline compound. The charge-transporting varnish provides a thin film which, even in a case of being used as a single layer in contact with and in between an anode and a luminescent layer, is capable of achieving an organic EL element having superior luminance characteristics and durability.

Silica-based organogels, including aerogels, incorporating hexahydrotriazine and/or hemiaminal species are described. These organo-silica gel materials can have applications as insulating materials. In a particular example, an aerogel includes silica groups and a hexahydrotriazine moiety with at least one nitrogen atom that is covalently linked to a silica group. Methods of making such silica-based organogels are also described.

Conjugated polymers composed of bi-pyridine units linked to 9,9-dialkyl fluorenyl-2,7-diyl units via imine linkages along the polymer backbone are provided. Also provided are semiconducting single-walled carbon nanotubes coated with the conjugated polymers and methods of sorting and separating s-SWCNTs from a sample comprising a mixture of s-SWCNTs and metallic single-walled carbon nanotubes using the conjugated polymers.

Conjugated polymers composed of bi-pyridine units linked to 9,9-dialkyl fluorenyl-2,7-diyl units via imine linkages along the polymer backbone are provided. Also provided are semiconducting single-walled carbon nanotubes coated with the conjugated polymers and methods of sorting and separating s-SWCNTs from a sample comprising a mixture of s-SWCNTs and metallic single-walled carbon nanotubes using the conjugated polymers.

Polyhemiaminal (PHA) and polyhexahydrotriazine (PHT) materials are modified by 1,4 conjugate addition chemical reactions to produce a variety of molecular architectures comprising pendant groups and bridging segments. The materials are formed by a method that includes heating a mixture comprising solvent(s), paraformaldehyde, aromatic amine groups, aliphatic amine Michael donors, and Michael acceptors, such as acrylates. The reaction mixtures may be used to prepare polymer pre-impregnated materials and composites containing PHT matrix resin.

Polyhemiaminal (PHA) and polyhexahydrotriazine (PHT) materials are modified by 1,4 conjugate addition chemical reactions to produce a variety of molecular architectures comprising pendant groups and bridging segments. The materials are formed by a method that includes heating a mixture comprising solvent(s), paraformaldehyde, aromatic amine groups, aliphatic amine Michael donors, and Michael acceptors, such as acrylates. The reaction mixtures may be used to prepare polymer pre-impregnated materials and composites containing PHT matrix resin.

Methods of preparing poly(cyanocinnamate)s are provided, with those involving mild conditions and resulting in a soluble polymer that is stable at room temperature and can be coated onto microelectronic substrates. The polymer includes at least one bis(cyanoacetate) monomer and at least one aromatic dialdehyde monomer. The polymer exhibits good thermal and structural properties and high absorbance in the UV range.

A curable composition including a first component containing aldehyde group-containing compounds and a second component containing cyanoacetate group-containing compounds, wherein the average molecular weight Mn of the first and second components, with respect to the aldehyde or cyanoacetate group-containing compounds, ranges from 400 to 20,000 g/mol, and the average functionality of at least one of the two components, with respect to the aldehyde or the cyanoacetate group-containing compounds, is greater than 2.0. The composition is largely free of toxic ingredients and cures in ambient conditions using conventional catalysts quickly and in a trouble-free manner in order to form a non-tacky elastic polymer with a high degree of strength, elasticity, and resistance to tear propagation. The composition is particularly suitable for use as an elastic adhesive, sealant, or coating with a high degree of robustness during production, storage, and processing as well as a high degree of resistance after curing.

A resist underlayer film forming composition exhibits excellent filling properties and planarization properties with respect to a substrate with level difference, while having high storage stability of a polymer that serves as a main component of a resist underlayer film; a resist pattern forming method uses this resist underlayer film forming composition; and a method for producing a semiconductor device using this resist underlayer film forming composition. A resist underlayer film forming composition contains (a) a thermal acid generator that is represented by formula (1), (b) a polymer that contains an aromatic ring, (c) a base B.sup.2 and (d) a solvent. In formula (1), A.sup.1 represents an optionally substituted linear, branched or cyclic, saturated or unsaturated aliphatic hydrocarbon group, or an optionally substituted aromatic ring residue. In formula (1), B.sup.1 represents a counter base; and at least one base among B.sup.1 and B.sup.2 has a higher pKa than pyridine.

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