The present invention provides a novel polymer comprising a repeating unit represented by the following Chemical Formula 1, and an organic light emitting device including the same:

##STR00001##

Wherein L.sub.1, L.sub.2, Ar.sub.1, Ar.sub.2, Ar.sub.3, R.sub.1 to R.sub.8, o, p and n are described herein.

The disclosure provides a film composition, wherein the film composition includes an oligomer and a crosslinking agent. The oligomer can have a structure represented by Formula (I) ##STR00001##
wherein R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1-20 alkyl group, C.sub.2-20 alkenyl group, C.sub.6-12 aryl group, C.sub.6-12 alkylaryl group, C.sub.5-12 cycloalkyl group, C.sub.6-20 cycloalkylalkyl group, alkoxycarbonyl group, or alkylcarbonyloxy group; R.sup.1 is not hydrogen when R.sup.2 is hydrogen; a is 0 or 1; 100n1; 100m1; and when n is not 0, the ratio of n to m is from 3:1 to 1:4. The weight ratio of the oligomer and the crosslinking agent can be from 9:1 to 3:7. The oligomer has a number average molecular weight (Mn) from 1,000 to 8,000.

Disclosed are methods, compositions, reagents, systems, and kits to prepare and utilize branched multi-functional macromonomers, which contain a ring-opening metathesis polymerizable norbornene group, one or more reactive sites capable of undergoing click chemistry, and a terminal acyl group capable of undergoing a coupling reaction; branched multi-cargo macromonomers; and the corresponding polymers are disclosed herein. Various embodiments show that the macromonomers and polymers disclosed herein display unprecedented control of cargo loading of agents. These materials have the potential to be utilized for the treatment of diseases and conditions such as cancer and hypertension.

A resin composition comprises a prepolymer of crosslinking agent and benzoxazine resin and a maleimide resin. The resin composition may be used to make various articles, such as a prepreg, a resin film, a resin-coated copper, a laminate or a printed circuit board, and achieves improvements in at least one, more or all of the properties including laminate reflow shrinkage, T288 thermal resistance, ten-layer board T300 thermal resistance, dissipation factor, copper foil peeling strength, and resin filling property in open area.

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##

The present invention provides novel methods and processes for polymerizing unsaturated substrates, such as alkyne bearing monomers, with arenes. The polymerizations are catalyzed by gold (Au) catalysts/complexes and/or other cocatalysts. The invention further provides novel structurally complex polymers prepared in high yield via an intermolecular polyhydroarylation mechanism. Such resulting products comprise oligomeric and polymeric materials with novel molecular architectures and microstructures, which subsequently impart unique properties. The invention includes both the synthesis methods and processes and the resulting compounds and compositions of matter.

A composition which is useful for providing a light emitting device having excellent light emission efficiency contains a compound represented by formula (C-1) and a phosphorescent compound represented by formula (1):

##STR00001##

Ring R.sup.1C to Ring R.sup.4C each represents an aromatic hydrocarbon ring or an aromatic hetero ring, R.sup.C represents a carbon, silicon, germanium, tin, or lead atom, and M represents a rhodium, palladium, iridium, or a platinum atom. n.sup.1 represents an integer of 1 or more, and n.sup.2 represents an integer of 0 or more. n.sup.1+n.sup.2 is 2 or 3. Ring R.sup.1A represents a triazole ring, Ring R.sup.2 represents an aromatic hydrocarbon ring or an aromatic hetero ring, E.sup.1, E.sup.2 and E.sup.11A to E.sup.13A represent a nitrogen atom or a carbon atom, R.sup.11A to R.sup.13A represent a hydrogen atom, an alkyl group, an aryl group, and A.sup.1-G.sup.1-A.sup.2 represents an anionic bidentate ligand.

Gas sensors are provided. The gas sensors comprise: a substrate; a plurality of electrodes on the substrate; and a polymeric sensing layer on the substrate for adsorbing a gas-phase analyte. The adsorption of the analyte is effective to change a property of the gas sensor that results in a change in an output signal from the gas sensor. The polymeric sensing layer comprises a polymer chosen from substituted or unsubstituted polyarylenes comprising the reaction product of monomers comprising a first monomer comprising an aromatic acetylene group and a second monomer comprising two or more cyclopentadienone groups, or a cured product of the reaction product. The gas sensors and methods of using such sensors find particular applicability in the sensing of gas-phase organic analytes.

Various photocrosslinkable electrochromic polymers are disclosed. The polymers are suitable for an electrochromic layer of an electrochromic device. The polymers are formed with a two-step synthesis method that includes forming a polymer precursor with one or more chromophore blocks, and mixing the polymer precursor with photocrosslinkable monomer units to form the polymer.

An oligomer, composition, and composite material employing the same are provided. The oligomer has a structure represented by Formula (I) ##STR00001##
wherein R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1-20 alkyl group, C.sub.2-20 alkenyl group, C.sub.6-12 aryl group, C.sub.6-12 alkylaryl group, C.sub.5-12 cycloalkyl group, C.sub.6-20 cycloalkylalkyl group, alkoxycarbonyl group, or alkylcarbonyloxy group; R.sup.1 is not hydrogen when R.sup.2 is hydrogen; a is 0 or 1; n0; m1; n:m is from 0:100 to 99:1; the oligomer has a number average molecular weight of less than or equal to 12,000; and the repeat unit ##STR00002##
and the repeat unit ##STR00003##
are arranged in a random or block fashion.