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WO/2023/074534A1 |
A polyamic acid varnish according to the present disclosure contains a polyamic acid. The monomers that constitute this polyamic acid include: a monomer (A) that has a C4-12 linear alkylene group but does not have an ester bond, an amide...
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WO/2023/074570A1 |
Provided is a liquid crystal alignment agent capable of forming a liquid crystal alignment film that has little in-plane variations (non-uniformity) in the liquid crystal twist angle, and that demonstrates an excellent layer separation p...
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WO/2023/075542A1 |
Provided are a polyimide film having excellent dimensional stability and having a expansion coefficient ratio, represented by equation 1 below, of greater than 0 and less than or equal to 2.5, and a method for preparing same. The polyami...
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WO/2023/074568A1 |
Provided are: a liquid crystal alignment agent that enlarges the range of optical irradiation amounts at which it is possible to obtain a liquid crystal alignment film having low variation (non-uniformity) in the twist angle of liquid cr...
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WO/2023/073287A1 |
The present invention relates to an intermediate composition in form of an aqueous solution having a pH value ≤6 for manufacture of polyamidoamine epihalohydrin resin. The intermediate composition comprises a polyamidoamine derivative ...
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WO/2023/075331A1 |
The present invention relates to a polyimide film having transmittance of 1.0% or lower, glossiness of 50% or lower, and a dielectric loss rate of 0.01 or lower, and a preparation method thereof. The polyimide film having adjusted the ty...
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WO/2023/075413A1 |
The present invention relates to a polyamic acid composition and a method for preparing same. A polyimide using the polyamic acid composition according to the present invention has excellent dielectric breakdown voltage performance and c...
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WO/2023/068084A1 |
The present invention provides: a liquid crystal alignment agent that makes it possible to obtain a liquid crystal alignment film having little variation (non-uniformity) in the twist angle of liquid crystals in the plane of the liquid c...
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WO/2023/068294A1 |
A method for separating a polyimide film according to the present invention comprises: a step for forming a titanium oxide film on a glass supporting substrate; a step for forming a polyimide layer on the titanium oxide film; a step for ...
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WO/2023/067835A1 |
An objective of the present invention is to provide a gas separation membrane containing a novel sulfonated polyimide and having excellent gas separation performance. The gas separation membrane includes a sulfonated polyimide represen...
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WO/2023/068085A1 |
Provided are: a liquid crystal alignment agent which can obtain a liquid crystal alignment film having a high film strength, a suppressed AC afterimage, and a high voltage retention rate even after being exposed for a long period of time...
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WO/2023/063202A1 |
The polyamic acid has a 3,3',4,4'-biphenyltetracarboxylic dianhydride residue and a 4,4'-(hexafluoroisopropylidene)diphthalic anhydride residue as tetracarboxylic dianhydride residues and a 4-aminophenyl-4-aminobenzoate residue as a diam...
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WO/2023/063122A1 |
The present invention provides: a curable resin composition that exhibits excellent reactivity and curability; and a cured product of the curable resin composition. This curable resin composition contains a maleimide compound (A), a cyan...
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WO/2023/064506A1 |
In general a hydrogel-lipid-microparticle drug delivery matrix that is tunable and has the ability to deliver sustained release pharmaceutical and / or active agents. The hydrogel-lipid-microparticle drug delivery matrix being echogenic.
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WO/2023/063267A1 |
The present invention provides a maleimide resin mixture for sealing materials, the maleimide resin mixture being composed of a maleimide resin (A) that is represented by formula (1) and a bifunctional cyanate resin (B) that is represent...
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WO/2023/058334A1 |
The present invention provides: a polyimide resin composition which contains a polyimide resin (A) that contains a repeating constituent unit represented by formula (1) and a repeating constituent unit represented by formula (2), with th...
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WO/2023/057568A1 |
The invention also relates to a process for synthesizing an ester-containing benzoxazine monomer of formula (I) comprising the following steps consisting of: c) reacting a phenolic acid derivative of formula (II), comprising at least one...
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WO/2023/058385A1 |
Provided are: a block copolymer which has a small dielectric dissipation factor and excellent mechanical properties including elongation and strength; a polyimide resin which is produced by imidizing the block copolymer; a composition fo...
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WO/2023/051756A1 |
Disclosed in the present application are a polymer, a leveler and a preparation method therefor, an electroplating solution, and an electroplating method, belonging to the technical field of electroplating. The polymer comprises multiple...
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WO/2023/055131A1 |
The present invention provides a polyimide film that is obtained by imidizing a polyamic acid solution containing a dianhydride component including benzophenonetetracarboxylic dianhydride (BTDA), biphenyltetracarboxylic dianhydride (BPDA...
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WO/2023/054567A1 |
The present invention provides: a liquid crystal alignment film which has good liquid crystal alignment properties, while having excellent pretilt angle developability; a liquid crystal display element which is provided with this liquid ...
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WO/2023/055133A1 |
The present invention relates to a polyimide film and a method for manufacturing same, the polyimide film being manufactured by imidizing a polyamic acid solution comprising: a dianhydride acid component including biphenyltetracarboxylic...
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WO/2023/054878A1 |
Disclosed are a soluble polyimide binder for a cathode of a lithium secondary battery capable of securing high heat resistance, safety, and excellent battery performance by using the soluble polyimide binder as a cathode binder for a lit...
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WO/2023/056263A1 |
The present disclosure relates to polyimides including diaminopentane. In particular examples, the polyimide can be provided as a stretched film.
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WO/2023/056425A1 |
Methods of printing dental aligners with three-dimensional (3D) printing equipment and software include providing a thermoplastic material in powder form and forming the dental aligner from the powder form of the thermoplastic material, ...
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WO/2023/054221A1 |
Provided are a polyimide including a repeating unit represented by formula (1-1), a polyimide precursor for obtaining the polyimide, a composition including the polyimide, and a production method for the polyimide. In formula (1-1), RA1 ...
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WO/2023/052254A1 |
The present invention provides a copper electroplating composition comprising copper ions, an acid, and at least one polyaminoamide comprising a group of formula L1[B-A-B'-Z]n[Y-Z]m (L1)that is obtainable by reacting a diamine compound c...
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WO/2023/055186A1 |
The present invention relates to a polyimide powder and a preparation method therefor. With respect to the polyimide powder and the preparation method therefor, according to the present invention, a preparation process is simplified such...
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WO/2023/047783A1 |
Provided are; a novel resin composition having excellent dielectric properties; a prepreg; a metal foil-clad laminated sheet; a composite resin sheet; a printed wiring board; and a semiconductor device. This resin composition contains: a...
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WO/2023/048063A1 |
Provided is polyimide having a structural unit represented by general formula (1). In general formula (1), R1 is a divalent organic group represented by general formula (2) and R2 is a tetravalent organic group including an alicyclic ske...
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WO/2023/047782A1 |
Provided are: a resin composition having excellent hygroscopicity and heat resistance while maintaining excellent dielectric properties; a prepreg; a metal foil-clad laminate; a resin composite sheet; a printed wiring board; and a semico...
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WO/2023/048121A1 |
Provided are: a precursor composition from which a polyimide film having excellent light transmittance, excellent mechanical properties, an excellent coefficient of linear thermal expansion, and excellent resistance to thermal decomposit...
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WO/2023/048026A1 |
The present invention provides a novel resin composition which has excellent anti-crack properties while maintaining excellent low dielectric loss tangent, a prepreg, a metal-foil-clad laminate, a resin composite sheet, a printed circuit...
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WO/2023/042595A1 |
Provided is a polyimide that is a polycondensate of a monomer (A) formed from a tetracarboxylic dianhydride represented by general formula (1): [in formula (1), R1 each independently represent a hydrogen atom, etc., and R2 each independe...
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WO/2023/042608A1 |
A purpose of the present invention is to provide a polyimide resin which enables a photosensitive resin composition including the polyimide resin to satisfy the following: 1) to leave no residue causative of an obstacle to light emission...
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WO/2023/038426A1 |
The present disclosure relates to a multi-layer structure, a window cover film comprising same, and a use thereof, and a multi-layer structure, according to one embodiment, comprises: a polyimide-based base layer; and a hard coating laye...
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WO/2023/038321A1 |
The present invention relates to a polyamic acid composition, and a polyimide produced therefrom, the polyimide having excellent electrical conductivity while having high transparency.
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WO/2023/037774A1 |
This semiconductor apparatus has a substrate film and a semiconductor film formed on the substrate film, wherein the substrate film comprises a polyimide obtained by condensation polymerization of an aromatic diamine and an aromatic tetr...
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WO/2022/271202A9 |
Amine-substituted copolymers that may include an amine-substituted pyrrolidine-2,5-dione moiety. Polyamic acids and polyimides, which may be formed by contacting an amine substituted copolymer with a dianhydride, or a dianhydride and a d...
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WO/2023/038322A1 |
The present invention relates to a polyamic acid composition and a polyimide including same and exhibits excellent thermal properties such as dimensional stability and heat resistance while retaining high transparency.
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WO/2023/032545A1 |
Provided are: a cured product production method by which a cured product having excellent elongation at break is obtained; a laminate production method including said cured product production method; and a semiconductor device manufactur...
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WO/2023/032491A1 |
A reaction accelerator that is used for a polymerization reaction involving a condensation reaction, the reaction accelerator containing: at least one compound (A) selected from the group consisting of basic compounds having a 5-membered...
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WO/2023/032492A1 |
A reaction accelerator that is used for a polymerization reaction involving a condensation reaction, the reaction accelerator containing: an alicyclic carboxylic acid compound having a cycloalkane structure in the molecular structure, an...
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WO/2023/029341A1 |
The present invention relates to a colorless transparent polyimide resin film and a preparation method therefor, having a molecular structure general formula of (I). The present invention has excellent dimensional stability, low water ab...
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WO/2023/032648A1 |
A poly(amic acid) varnish which comprises a solvent and a poly(amic acid) obtained by reacting a tetracarboxylic acid and a diamine and which, when examined after having been introduced into a cell with an optical path length of 10 mm an...
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WO/2023/032821A1 |
The present invention provides: a resin composition which contains a resin A that is a cyclized resin or a precursor thereof and a resin B that is an addition polymerization type resin having at least one bond that is selected from the g...
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WO/2023/032784A1 |
A liquid crystal alignment agent comprising a polymer component, wherein the polymer component satisfies condition (i) and/or condition (ii). Condition (i): The polymer component contains at least one polymer selected from the group co...
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WO/2023/032475A1 |
A purpose of the present invention is to provide a method for producing a cured product whereby a cured product having excellent breaking elongation, a method for producing a multilayer body including said method for producing a cured pr...
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WO/2023/032820A1 |
Provided are: a resin composition including at least one resin selected from the group consisting of cyclized resins and precursors thereof, and a compound B, which has a ring opening-polymerizable group, also has at least one structure ...
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WO/2023/032923A1 |
The present invention is a composition for forming a film for a semiconductor and an application thereof, said composition including a linear siloxane compound (A) having a specific structure including an amino group selected from a prim...
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