The present invention is a conductive polymer composition including: (A) a polyaniline-based conductive polymer having two or more kinds of repeating units shown by the following general formula (1); and (B) a dopant polymer which contains a repeating unit shown by the following general formula (2) and has a weight-average molecular weight in a range of 1,000 to 500,000.

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This provides a conductive polymer composition having good filterability and film-formability of a flat film onto an electron beam resist, and being suitably usable for a antistatic film for electron beam resist drawing having lower surface resistivity (/) to show excellent antistatic performance in an electron beam drawing process, and excellent peelability with H.sub.2O or an alkaline developer after drawing.

A block copolymer containing one or more segments containing an ionic group (hereinafter referred to as an ionic segment(s)) and one or more segments containing no ionic group (hereinafter referred to as a nonionic segment(s)), wherein at least one of the ionic segment or the nonionic segment contains: constituent units composed of an aromatic hydrocarbon polymer (hereinafter referred to as a constituent unit); and a first linker that links the constituent units with each other. A block copolymer and a polymer electrolyte material produced using the block copolymer are made feasible, in which the block copolymer can achieve high proton conductivity under low-humidity conditions, excellent mechanical strength and chemical stability, and enhanced in-process capability.

The present invention relates to functionalized polymers including a poly(phenylene) structure having modifications suitable for an anion exchange membrane. Exemplary modifications include use of a cationic moiety and a halo moiety. Methods and uses of such structures and polymers are also described herein.

A method of producing powder-form polymer by using 1-(p-tolylsulfonyl)pyrrole monomer. The method includes preparing a solvent and filling it into a reaction vessel, adding polyacrylonitrile (PAN) matrix, surfactant and 1-(p-tolylsulfonyl)pyrrole monomer (M-1pTSP) into the solvent and stirring, adding an initiator onto the resulting mixture so as to initiate the reaction, conducting the chemical polymerization reaction, filtering the product obtained as a result of the reaction, washing and drying the filtrate, and obtaining the polymer mixture containing polyacrylonitrile and poly 1-(p-tolylsulfonyl)pyrrole as the final product.

An ion conducting and electron conducting polymer is comprised of a first polymer of a single-sulfonic acid polymer or a multi-sulfonic acid polymer and a second polymer of an EDOT analog monomer having the following formula:

##STR00001##

wherein z=O or S;

##STR00002##

Y.sub.2=COH, C.sub.6H.sub.13, or COOH; a=0 or 1; Y.sub.3=CH.sub.3, C.sub.2H.sub.5, CH.sub.2C.sub.6H.sub.6, C.sub.6H.sub.13, C.sub.8H.sub.17, CH.sub.2OC.sub.6H.sub.13, or CH.sub.2OC.sub.6H.sub.6; and b=0 or 1; wherein a sulfonic acid group of each branch of the first polymer electronically interacts with one or more thiophene rings of the second polymer; and wherein any remaining sulfonic acid groups on each branch of the first polymer are converted to SO.sub.3Li.

A photovoltaic element includes at least a cathode, a photoelectric conversion layer, a hole extraction layer, and an anode in this order, the hole extraction layer containing a hole transporting material and a compound represented by formula (1) or (2):

##STR00001##

wherein, in formula (1), R.sup.1 represents an alkyl group having 8 to 14 carbon atoms or an alkanoyl group having 8 to 14 carbon atoms, and n represents a natural number of 1 to 9; and in formula (2), R.sup.2 represents an alkenyl group, and m represents a natural number.

An object of the invention is to provide an organic semiconductor element having high mobility and excellent temporal stability under high humidity, and a manufacturing method thereof. Another object is to provide a novel compound suitable for an organic semiconductor. Still another object is to provide an organic semiconductor film having high mobility and excellent temporal stability under high humidity and a composition for forming an organic semiconductor film that can suitably form the organic semiconductor film. The organic semiconductor element according to the invention includes an organic semiconductor layer containing an organic semiconductor having a repeating unit represented by Formula 1. ##STR00001##

A polythiophene dispersion including: (a) a polythiophene copolymer of a first monomer according to Formula I and a second monomer to Formula II, wherein A represents a substituted or unsubstituted C.sub.1 to C.sub.5 alkylene bridge further functionalized with at least one functional group selected from the group consisting of a sulfonic acid or salt thereof, a phosphonic acid or salt thereof, a phosphate ester or salt thereof, a sulfate ester or salt thereof and a carboxylic acid or salt thereof; B represents a substituted or unsubstituted C.sub.1 to C.sub.5 alkylene bridge with the proviso that B is not further functionalized with a pH responsive group; and a molar ratio of the first monomer to the second monomer is from 1/4 to 4/1, (b) a polymeric polyanion wherein at least 75 mol % of the monomeric units of the polymeric polyanion are functionalized with a functional group selected from the group consisting of a sulfonic acid or salt thereof, a phosphonic acid or salt thereof, a phosphate ester or salt thereof, a sulfate ester or salt thereof and a carboxylic acid or salt thereof, characterized in that a molar ratio of the functional groups of the polyanion to the sum of the first and second monomers of the polythiophene copolymer is from 1.1 to 1.75.

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This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.

This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.