The present application provides a block copolymer and uses thereof. The block copolymer of the present application exhibits an excellent self-assembling property or phase separation property, can be provided with a variety of required functions without constraint and, especially, etching selectivity can be secured, making the block copolymer effectively applicable to such uses as pattern formation.

Provided are new bottlebrush polymers and diblock bottlebrush copolymers, which can self-assemble into structures of desired morphology (e.g., hexagonal cylindrical, gyroid). The self-assembled structures of the bottlebrush polymers and copolymers provide useful materials such as photonics (e.g., photonic crystals), functional materials, chromatography media, stimuli-responsive materials, lubricants, nanolithography, films, and coatings. In certain embodiments, the backbone repeating units of the bottlebrush polymers and copolymers have two different polymeric sidechains covalently attached to the backbone repeating unit through a branched linker, wherein one of the polymeric sidechain is a polysiloxane. Also provided are methods of preparing the bottlebrush polymers and copolymers 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.

An organic polymer photo device with broadband response and high photo-responsitivity includes an anode terminal with a hole transporting network, and a cathode terminal with an electron transporting network. Positioned in electrical communication with the hole transporting network and the electron transporting network is a blended material that has at least one organic polymer light absorbing component. The organic light absorbing component is configured to have a collection length that is larger than the distance to the nearest electron transporting network and hole transporting network. As such, the blended material forms a light absorbing area that has a dimension that is greater than the collection length of the organic polymer light absorbing component.

Provided herein are copolymer electrolytes and electrocatalyst platforms, including brush block copolymers, triblock brush copolymers and pentablock brush copolymers. The copolymers described have beneficial chemical, physical and electrical properties including high ionic conductivity and mechanical strength. In embodiments, for example, the provided copolymer electrolytes and electrocatalyst platforms are doped with lithium salts or mixed with ionic liquids to form ion gels. In some embodiments, the copolymers provided herein self-assemble into physically cross-linked polymer networks with additional useful properties. The provided copolymers have low dispersity in the polymer side chains and do not require post-polymerization modifications.

The present invention provides novel polymer compounds and methods and processes for polymerizing and synthesizing the new polymers by post-modifying conjugated polymers bearing unsaturated functionalities. The post-modifications are facilitated by light-mediated initiators, thermal initiators, redox-based initiators, small molecule-based initiators, or a combination thereof. Syntheses and post-modifications are carried out to high conversion via thiol-ene click chemistry-based mechanisms. The products comprise monomeric, oligomeric, and polymeric materials with easily-accessible pendant functionalities which impart new, distinct, and/or improved properties.

The present invention relates to a composition for a gel polymer electrolyte and a gel polymer electrolyte prepared using the same, and specifically provides a composition for a gel polymer electrolyte including a lithium salt, an organic solvent, and a polymer A having an epoxy group represented by Formula 1, and a polymer B having an amine group and a cyanide group represented by Formula 2, wherein the polymers A and B are included in an amount of 1 to 20 wt % based on the total weight of the composition for a gel polymer electrolyte, and wherein a gel polymer electrolyte for a secondary battery can be prepared that includes a polymer network formed by combining the polymer A having an epoxy group represented by Formula 1 and the polymer B having an amine group and a cyanide group represented by Formula 2 in a three-dimensional structure.

The present invention relates to a novel polyfluorene appended with protected glutamic acid of Formula (I) for heterogeneous enantioselective separation and sensing of amino acids, amino alcohol, hydroxyl acid, sugar, aromatic drug and ascorbic acid from racemic mixture in water and process for preparation thereof. The present invention further provides a process for separation of enantiomers and diastereomers into their individual isomers using a polyfluorene compounds of Formula (I). ##STR00001##

A light emitting device having excellent luminance life contains an anode, a cathode, and two organic layers disposed between them. The first organic layer contains a compound represented by formula (C-1) and the second organic layer is Layer A or B. Layer A contains a polymer compound containing a constitutional unit having a group obtained by removing one or more hydrogen atoms and a cross-linked body of the polymer compound from a phosphorescent compound represented by formula (1), and Layer B contains a phosphorescent compound represented by formula (1) and a cross-linked body of a crosslinking material.

##STR00001##

Ring R.sup.1C to Ring R.sup.4C represent an aromatic hydrocarbon ring, R.sup.C represents a carbon atom, M represents an iridium atom, n.sup.1 and n.sup.2 represent integers, E.sup.1 and E.sup.2 represent a carbon atom, Ring L.sup.1 represents an aromatic hetero ring, Ring L.sup.2 represents an aromatic hydrocarbon ring, and A.sup.1-G.sup.1-A.sup.2 represents an anionic bidentate ligand.

A composite comprising silica and a light- emitting polymer comprising a backbone and polar groups pendant from the backbone.