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WO/2021/049390A1 |
The objective of the present invention is to provide a curable resin composition which has fast curability, high heat resistance, and excellent permeability. The present invention comprises (A) a cyanate ester resin, (B) an epoxy resin...
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WO/2021/048219A1 |
The invention relates to a process of manufacturing a composite comprising a layer of a polyimide and a substrate, comprising at least these steps: i. Providing a first composition comprising an acid compound; and a second composition co...
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WO/2021/046994A1 |
Disclosed are a polymer dispersed liquid crystal composition, a method for preparing a polymer dispersed liquid crystal film, and a display panel. The polymer dispersed liquid crystal composition comprises a polymer monomer and a liquid ...
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WO/2021/043009A1 |
A crystalline sulfonated polyimide block copolymer proton exchange membrane, a preparation method therefor, and use thereof, relating to the technical field of fuel cells. The chemical structural formula thereof is as shown in (I), in wh...
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WO/2021/045085A1 |
[Problem] To provide: a curable resin composition which has excellent heat resistance and low warping properties, while enabling the achievement of a cured product having improved light transmittance; a dry film and a cured product of th...
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WO/2021/044369A1 |
A thermoplastic composition includes 25 to 95 weight percent of a poly(etherimide); 5 to 70 weight percent of a polymer different from the poly(etherimide) that is partially miscible with the poly(etherimide); and 1 to 15 weight percent ...
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WO/2021/045004A1 |
A polyamide imide resin which contains a structural unit (Ia) represented by formula (Ia) and a structural unit (IIa) represented by formula (IIa). In formula (Ia), each X independently represents a hydrogen atom or at least one substitu...
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WO/2021/042497A1 |
Provided are a polyimide precursor, a polyimide film formed therefrom, and a method for preparing said polyimide. The polyimide precursor comprises a product formed from diamine and dianhydride; the diamine comprises a diamine containing...
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WO/2021/042495A1 |
Disclosed are a polyimide and a preparation method therefor, and a flexible OLED panel. Provided is a polyimide, wherein the repeating unit of the polyimide comprises an asymmetric structure group, the asymmetric structure group comprise...
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WO/2021/039997A1 |
A polymer blend including a fluoropolymer and a non-fully fluorinated polymer is provided. The polymer blend may further include a compatibilizing agent. The polymer alloys formed from the blend demonstrate improved mechanical strength. ...
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WO/2021/041234A1 |
In some aspects, the present disclosure pertains to a polymer that comprises a plurality of polymer arms, wherein a first portion of the polymer arms comprise a reactive end group and wherein a second portion of the polymer arms comprise...
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WO/2021/035977A1 |
Disclosed are a polyimide and a preparation method therefor, and the polyimide is obtained from a reaction between a fluorine-containing aromatic dianhydride and a carbazole diamine.
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WO/2021/039735A1 |
Provided are: a film that has exceptional heat resistance, is not susceptible to warping, and has high adhesiveness; a method for producing the film; and a metal-clad laminate and a coated metal conductor in which such a film is used. ...
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WO/2021/039442A1 |
This polyimide resin composition includes: a polyimide resin (X) containing a repeating unit represented by formula (1) and a repeating unit represented by formula (2); and a fluorine-containing polymer (Y). (In formula (1), R1-R4 are ea...
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WO/2021/041222A1 |
In some aspects, the present disclosure pertains to a multi-arm polymer comprising a core and a plurality of polyoxazoline segments (or arms) having a first end that is covalently attached to the core and a second end comprising a moiety...
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WO/2021/040004A1 |
A polyimide film comprising a polyimide resin and fine particles. The polyimide resin includes 15-65 mol% acid dianhydride represented by general formula (1) and 30-80 mol% fluorine-containing aromatic acid dianhydride with respect to th...
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WO/2021/040127A1 |
The present invention relates to a high-thickness polyimide film which has a reduced number of bubbles, has high elasticity, and has a controlled surface roughness; and a manufacturing method for a polyimide film comprising same. Provide...
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WO/2021/037269A1 |
Disclosed is a method for preparing a polyethyleneimine-polyvinyl alcohol hydrogel having self-healing properties. In the present invention, the polyethyleneimine-polyvinyl alcohol hydrogel is prepared using polyethyleneimine, polyvinyl ...
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WO/2021/031306A1 |
Provided are a hydrophobic polyimide material, a preparation method therefor and an organic electroluminescent diode. The hydrophobic polyimide material contains inorganic/organic composite nanoparticles. The preparation method for the h...
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WO/2021/033544A1 |
A polyimide resin composition including a polyimide resin and a crosslinking agent having at least two oxazolyl groups, wherein the polyimide resin is a polyimide resin having constituent units A derived from a tetracarboxylic acid dianh...
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WO/2021/031924A1 |
A polyimide film containing a fluorine substituent and a Cardo structure and a preparation method therefor. The polyimide film has excellent heat resistance, transparency and mechanical properties. The transparent polyimide film has a gl...
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WO/2021/033482A1 |
A dispersion composition according to the present invention contains: a material to be dispersed; a dispersion medium; and a polymer (P) which is at least one substance selected from the group consisting of polyamic acids, polyamic acid ...
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WO/2021/027004A1 |
Disclosed are a support material for a specialty engineering plastic for 3D printing, and a preparation method for wire stock thereof. The material comprises the following components in weight percentage: 75-90 parts of a polycarbonate r...
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WO/2021/027028A1 |
A preparation method for a polyimide thin film and a display panel. The preparation method comprises dissolving an aromatic diamine monomer in a solvent, adding a silane coupling agent, stirring evenly, and then adding a dianhydride mono...
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WO/2021/027099A1 |
Disclosed in the present invention are a polyimide, a preparation method therefor and a flexible OLED panel. Provided is a polyimide which is formed by polymerizing a dianhydride monomer containing a naphthalene ring structure and a diam...
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WO/2021/029243A1 |
[Problem] To provide a colored resin composition which contains a polyimide compound that is highly soluble in an organic solvent and from which a cured product that exhibits excellent adhesion to a polyimide film base material can be fo...
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WO/2021/024464A1 |
Provided is a resin composition containing one or more components selected from the group comprising component (A), component (B), component (C), and component (D) listed below. (A) Polyimides, polyimide precursors, polybenzoxazoles, or ...
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WO/2021/025617A1 |
An adhesive composition disclosed herein includes organic macromolecules each including nucleophilic functional groups, wherein each of the organic macromolecules is a linear macromolecule or a branched macromolecule, wherein each of the...
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WO/2021/024624A1 |
The invention provides a flame-retardant polyimide shaping material comprising a semi-aromatic polyimide resin (A) and further comprising 15 to 80% by mass of either component (B1) or component (B2). Also provided is a shaped body contai...
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WO/2021/024994A1 |
Provided is a liquid crystal alignment agent capable of forming a liquid crystal alignment film having high adhesion to a substrate or a sealant. A liquid crystal alignment agent is characterized by containing component (A) and compone...
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WO/2021/024625A1 |
Provided are a polyimide resin composition and a molded body thereof. The polyimide resin composition contains: a polyimide resin (A) including a repeating structural unit indicated by formula (1) and a repeating structural unit indicate...
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WO/2021/020399A1 |
A lateral-electric-field liquid crystal display element in which an interdigital electrode substrate provided with a liquid crystal alignment film and a counter substrate provided with a liquid crystal alignment film are provided so that...
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WO/2021/021768A1 |
Provided is an aqueous fluororesin coating composition which strongly adheres to metal substrates such as stainless steel (SUS), while exhibiting excellent water vapor resistance and corrosion resistance. The fluororesin coating composit...
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WO/2021/020563A1 |
Provided is a resin material whereby 1) the dielectric dissipation factor of a cured article thereof can be lowered, 2) the thermal dimensional stability of the cured article can be increased, 3) resin smear can be effectively removed by...
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WO/2021/018158A1 |
Provided are a re-moldable bismaleimide resin and an application thereof. The specific preparation method comprises blending 2-allylphenyl glycidyl ether and terephthalic acid in acetonitrile, carrying out an esterification reaction unde...
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WO/2021/021897A1 |
A particulate material useful for additive manufacturing contains a semicrystalline polycarbonate or a semicrystalline polyetherimide. The particles of the particulate material are characterized by a narrow volume-based distribution of e...
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WO/2021/020553A1 |
This heat-curable polyimide resin composition and molded article thereof contain a compound represented by Formula (1) and a heat-curable polyimide resin, and thereby have excellent flame retardancy, and excellent reliability at high tem...
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WO/2021/015363A1 |
Disclosed are a graphite sheet and an electronic device comprising same, wherein the graphite sheet has a thermal conductivity of about 1,000 W/m·K or more in the horizontal direction and a thermal conductivity of about 30 W/m·K or mor...
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WO/2021/012514A1 |
Disclosed are a flexible substrate material, a method for preparing a flexible display panel substrate, and a flexible display panel. The flexible substrate material comprises a polyimide matrix and a carbon nano-reinforced body doped in...
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WO/2021/010730A1 |
The present invention relates to a positive electrode material and a method for producing same. The positive electrode material comprises: a positive electrode active material; and a coating layer formed on the surface of the positive el...
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WO/2021/009727A1 |
An article includes a composition including a high heat amorphous thermoplastic polymer having a glass transition temperature of greater than 180°C; a poly(phenylene ether) oligomer; a flow promoter comprising a polyester, a poly (carbo...
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WO/2021/006133A1 |
Provided is a resin composition comprising: a pigment; a resin including a repeating unit represented by formula (1); and a solvent. Also provided are: a film using the abovementioned resin composition; a color filter; a solid-state imag...
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WO/2021/006430A1 |
The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising same, and coating material comprising same, and provides: a polyamic acid composition capable of...
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WO/2021/006427A1 |
The present application relates to a polyamic acid composition, a preparation method for a polyamic acid composition, and polyimide comprising same. Provided are: a polyamic acid composition which can concurrently exhibit low permittivit...
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WO/2021/006182A1 |
Provided is a liquid crystal-aligning agent that can be used to obtain a liquid crystal alignment film which can maintain a high voltage holding rate, and that has excellent reworkability. This liquid crystal-aligning agent is characteri...
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WO/2021/006428A1 |
The present application relates to a polyamic acid composition, a preparation method for a polyamic acid composition, polyimide comprising same, and a coating material comprising same. Provided are: a polyamic acid composition which can ...
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WO/2021/007441A1 |
Macroparticulates may be formed through at least partial self-assembly by reacting an epoxide-containing (meth)acrylic polymer or copolymer with a compound bearing a nitrogen nucleophile. An internal cavity may be formed when functionali...
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WO/2021/007432A1 |
Macroparticulates may be formed through at least partial self-assembly by reacting an epoxide-containing (meth)acrylic polymer or copolymer with a compound bearing a nitrogen nucleophile, such as iminodiacetic acid or ethylenediamine. Wh...
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WO/2021/003298A1 |
A two dimensional material including a plurality of a first aromatic ring and a plurality of a second aromatic ring, wherein each of the first aromatic ring covalently bonded to at least two of the second aromatic ring by amide bonds, an...
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WO/2021/001300A1 |
The present invention pertains to salified polyamide-imide polymers and their use as for the manufacture of electrochemical cell components, such as separators.
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