Provided are: a highly durable polymer having a high hole-injection/transport capacity; and a composition for an organic electroluminescent element, which contains the polymer. The polymer contains a repeating unit represented by the following Formula (1) or a repeating unit represented by the following Formula (2) (wherein, Ar.sup.1 and Ar.sup.2 each represent an aromatic hydrocarbon group optionally having a substituent, or an aromatic heterocyclic group optionally having a substituent; X represents C(R.sup.7)(R.sup.8), N(R.sup.9), or C(R.sup.11)(R.sup.12)C(R.sup.13)(R.sup.14); R.sup.1 and R.sup.2 as well as R.sup.3 and R.sup.6 each independently represent an alkyl group optionally having a substituent; R.sup.4 and R.sup.5 each independently represent an alkyl group optionally having a substituent, an alkoxy group optionally having a substituent, or an aralkyl group optionally having a substituent; and R.sup.7 to R.sup.9 and R.sup.11 to R.sup.14 each independently represent hydrogen, an alkyl group optionally having a substituent, an aralkyl group optionally having a substituent, or an aromatic hydrocarbon group optionally having a substituent).

##STR00001##

Provided are: a highly durable polymer having a high hole-injection/transport capacity; and a composition for an organic electroluminescent element, which contains the polymer. The polymer contains a repeating unit represented by the following Formula (1) or a repeating unit represented by the following Formula (2) (wherein, Ar.sup.1 and Ar.sup.2 each represent an aromatic hydrocarbon group optionally having a substituent, or an aromatic heterocyclic group optionally having a substituent; X represents C(R.sup.7)(R.sup.8), N(R.sup.9), or C(R.sup.11)(R.sup.12)C(R.sup.13)(R.sup.14); R.sup.1 and R.sup.2 as well as R.sup.3 and R.sup.6 each independently represent an alkyl group optionally having a substituent; R.sup.4 and R.sup.5 each independently represent an alkyl group optionally having a substituent, an alkoxy group optionally having a substituent, or an aralkyl group optionally having a substituent; and R.sup.7 to R.sup.9 and R.sup.11 to R.sup.14 each independently represent hydrogen, an alkyl group optionally having a substituent, an aralkyl group optionally having a substituent, or an aromatic hydrocarbon group optionally having a substituent). ##STR00001##

A semiconductor material of the present disclosure is represented by formula (I) below, in which R.sup.1, R.sup.2, and R.sup.3 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms, R.sup.4 represents an aryl group, an amino group, a hydroxy group, or an alkoxy group, and n represents an integer greater than or equal to 2; and a photoelectric conversion element of the present disclosure includes a first electrode, a photoelectric conversion layer, a hole transport layer, and a second electrode in this order, in which the hole transport layer includes the semiconductor material of the present disclosure:

##STR00001##

The present invention relates to a low friction resin composite comprising a binder comprising phthalonitrile-based resin, and three or more kinds of fillers dispersed in the binder.

Disclosed are a charge transporting varnish comprising a specific oligoaniline compound, an electron accepting dopant, a metal oxide nanoparticle, and an organic solvent; a charge transporting film prepared from the charge transporting varnish; an electronic device and an organic electroluminescent device having the charge transporting film; and a method for producing the charge transporting film using the charge transporting varnish.

A high molecular weight compound according to the present invention includes a substituted triarylamine structural unit represented by the following general formula (1),

##STR00001## where AR.sup.1, AR.sup.2, and L each independently represent a divalent aromatic hydrocarbon group or a divalent aromatic heterocyclic group, n is an integer of 1 to 3, Ar.sub.1 and Ar.sub.2 each independently represent an aryl group or a heteroaryl group, and R.sub.1, R.sub.2, and R.sub.3 each independently represent a hydrogen atom, a heavy hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, an alkyl group having 1 to 6 carbon atoms, an alkyloxy group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 10 carbon atoms, a cycloalkyloxy group having 5 to 10 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, an aryloxy group, or a heteroaryl group.

[Problem] To provide a composition for an underlayer, which can form an underlayer having flattened surface. [Means for Solution] A composition for forming an underlayer, comprising a polymer having a repeating unit containing nitrogen and a solvent. An underlayer is formed by coating this composition on a substrate, preferably baking in an inert atmosphere, and then baking in the air containing oxygen.

A curing agent for curing an epoxy resin comprises a fluorinated central moiety covalently bonded to first and second imide-amine moieties, the first and second imide-amine moieties include amine terminal functional groups, wherein the amine functional groups of the curing agent, when applied to the epoxy resin, take part in curing reactions with ring molecules of the epoxy resin.

The invention discloses a dopamine-based self-polymerization electric storage material and a preparation method thereof and the application thereof in an electric storage device, and the self-polymerization of dopamine is generated by solving the problems of complicated preparation process, poor environment and high temperature stability of the current organic electric storage material. The organic electric storage device prepared by the polymer into a sandwich structure successfully realizes the organic electric storage behavior. In the preparation process, the molecular synthesis and the device preparation are completed simultaneously, the device environment and the high temperature stability are good, and it is of great significance to the research progress of the organic electric storage technology and practical value.

To provide a composition for gap formation capable of forming sacrifice areas made of a sacrificial material decomposable completely into vapor at a desired temperature, and also to provide a semiconductor device-manufacturing method using the composition. Disclosed is a composition for gap formation comprising a polymer and a solvent: wherein said polymer comprising five or more of repeating units which are represented by at least one kind of the following formula (1) or (2):
Ar.sup.1-L.sup.1(1)
Ar.sup.2-L.sup.2-Ar.sup.2(2)
[each of Ar.sup.1, Ar.sup.2 and Ar.sup.2 is independently a substituted or unsubstituted aromatic group; and each of L.sup.1 and L.sup.2 is independently oxygen, sulfur, alkyl, sulfone, amide, ketone or a group represented by the following formula (3): ##STR00001##
{Ar.sup.3 is an aromatic group; and L.sup.3 is a trivalent atom selected from the group consisting of nitrogen, boron and phosphorus}].