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.

A composition for forming an organic film contains a polymer having a partial structure shown by the following general formula (1) as a repeating unit, and an organic solvent. Each of AR1 and AR2 represents a benzene ring or naphthalene ring which optionally have a substituent; W.sub.1 represents a particular partial structure having a triple bond, and the polymer optionally contains two or more kinds of W.sub.1; and W.sub.2 represents a divalent organic group having 6 to 80 carbon atoms and at least one aromatic ring. This invention provides: a polymer curable even under film formation conditions in an inert gas and capable of forming an organic film which has not only excellent heat resistance and properties of filling and planarizing a pattern formed in a substrate, but also favorable film formability onto a substrate with less sublimation product; and a composition for forming an organic film, containing the polymer.

##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 triazine ring-containing polymer which contains a repeating unit structure represented by, for example, formula [4] has a high refractive index and also has excellent solubility in various organic solvents including low-polarity solvents, hydrophobic solvents and low-boiling point solvents. A thin film having a high refractive index and excellent transparency can be formed using a composition for film formation use which contains the polymer. ##STR00001##

A multiple-metal salt assembly of a dendrimer in which multiple-metal salt compounds with a number of, for example, four or more types of multiple metals can be assembled for each of parts with different environments so that the total metal atom number becomes less than 60. Also, a method for producing the multiple-metal salt assembly, and a method for producing subnano metal particles including the multiple-metal salt assembly of the dendrimer.

A fast-response thermoplastic shape-memory polyimide and a preparation method thereof, related to a polyimide and a preparation method thereof. The present invention aims to solve the problem in high-temperature conditions of slow shape recovery poor stability, and poor mechanical properties of a shape-memory polymer prepared by utilizing an existing method. The structural formula of the polyamide of the present invention is as represented by formula (I). The preparation method is: 1. preparation of a diamine solution; 2. preparation of an anhydride-terminated high molecular weight polyamic acid; 3. preparation of a viscous sol-gel; and, 4. preparation of the thermoplastic shape-memory polyimide. The thermoplastic shape-memory polyimide prepared per the present invention is provided with a very fast shape recovery rate and improved shape-memory effect. The present invention is applicable in the field of polyimide preparation.

Novel polyketanil-based compositions for use as a laser-releasable composition for temporary bonding and laser debonding processes are provided. The inventive compositions can be debonded using various UV lasers, at wavelengths from about 300 nm to about 360 nm, leaving behind little to no debris. The layers formed from these compositions possess good thermal stabilities and are resistant to common solvents used in semiconductor processing. The compositions can also be used as build-up layers for redistribution layer formation.

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.

An electroluminescent device with an improved luminous efficiency. The device includes a light emitting layer with an arylamine polymer including a structural unit (A) represented by Chemical Formula (1).

##STR00001##

A (poly)amine compound represented by the following formula (0):

wherein R.sup.X is a 2n.sup.A-valent group having 1 to 70 carbon atoms or a single bond; each R.sup.1A is independently any of an alkyl group having 1 to 30 carbon atoms and optionally having a substituent, an aryl group having 6 to 30 carbon atoms and optionally having a substituent, a crosslinking group having 2 to 30 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 30 carbon atoms and optionally having a substituent, a halogen atom, a nitro group, an amino group having 0 to 30 carbon atoms and optionally having a substituent, a carboxyl group, a thiol group and a hydroxy group, wherein when R.sup.1A is any of the alkyl group, the aryl group, the crosslinking group and the alkoxy group, R.sup.1A optionally contains at least one bond selected from the group consisting of an ether bond, a ketone bond and an ester bond, and at least one R.sup.1A is an amino group having 0 to 30 carbon atoms and optionally having a substituent; X is an oxygen atom or a sulfur atom, or X is optionally absent; each R independently represents any of a benzene ring, a biphenyl ring, a naphthalene ring, an anthracene ring and a pyrene ring; each m is independently an integer of 0 to 9, wherein at least one m is an integer of 1 to 9; and n.sup.A is an integer of 1 to 4.