摘要:
It is an object of the present invention to provide a crosslinked (meth)acrylic acid-type copolymer excellent in stability to a solvent, which causes substantially no crack due to drying when applied onto the surface of a current collector, and a secondary-cell electrode using the copolymer. The present invention relates to a crosslinked (meth)acrylic acid-type copolymer obtained by the steps of: polymerization of a (meth)acrylic acid imino compound represented by the general formula (1):
(in the formula (1), R represents a hydrogen atom or a methyl group) and a (meth)acrylic acid ester in the presence of a crosslinking agent, and nitroxidation.
摘要:
The present invention provides novel polyaminopyridines which are excellent in solubility in various solvents, and are preferably used in a polymer-type organic electroluminescent material, and a process for preparing the same. More particularly, the present invention provides polyaminopyridines having a repetition structural unit represented by the following general formula (1);
and having a number average molecular weight in a range of 500 to 1000000.
摘要:
An aliphatic polycarbonate, an oxide precursor, and an oxide layer are provided, which are capable of controlling stringiness, when a thin film that can be employed for an electronic device or a semiconductor element is formed by a printing method. In an oxide precursor of the present invention, a compound of metal to be oxidized into a metal oxide is dispersed in a solution containing a binder (possibly including inevitable impurities) made of aliphatic polycarbonates, and an aliphatic polycarbonate having a molecular weight of 6000 or more and 400000 or less constitutes 80% by mass or more of all the aliphatic polycarbonates.
摘要:
It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment. An exemplary method for producing a thin film transistor according to the invention includes an aliphatic polycarbonate layer forming step of forming an aliphatic polycarbonate layer 50 that covers a gate electrode layer 40 disposed above a semiconductor layer 20 with a gate insulator 30 being interposed between the gate electrode layer 40 and the semiconductor layer 20, and also covers the semiconductor layer 20, and has a dopant causing the semiconductor layer 20 to become an n-type or p-type semiconductor layer, and a heating step of heating at a temperature causing introduction of the dopant into the semiconductor layer 20 and decomposition of the aliphatic polycarbonate layer 50.
摘要:
A binder for a positive electrode of a lithium ion secondary battery according to the present invention includes a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.
摘要:
A crosslinked (meth)acrylic acid copolymer having excellent stability to solvents and giving a collector coated therewith in which the coating surface undergoes substantially no cracking upon drying; and a secondary-cell electrode which employs the copolymer. The crosslinked (meth)acrylic acid copolymer is obtained by polymerizing a (meth)acrylic acid imino compound represented by the general formula (1): [Chemical formula 1] (1) (wherein R represents hydrogen or methyl) with a (meth)acrylic ester in the presence of a crosslinking agent and then subjecting the resultant polymer to nitrooxidation.
摘要:
A binder for a positive electrode of a lithium ion secondary battery according to the present invention includes a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.
摘要:
A binder for an electric double-layer capacitor electrode according to the present invention includes a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.
摘要:
A negative electrode mixture for a nonaqueous electrolyte secondary cell according to the present invention includes: a negative electrode active material; a conductive assistant; and a binder. The binder contains a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.