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Matches 51 - 100 out of 32,763

Document Document Title
WO/2020/162411A1
According to the present invention, a polyimide which is obtained by a reaction of a tetracarboxylic acid dianhydride and an aromatic diamine that has, as a linkage skeleton, a 1, 1, 1-trifluoro-2, 2-ethanediyl group (-C(CF3)H-) is easil...  
WO/2020/162418A1
Provided is a colorless, transparent polyimide film, the polyimide film containing a polyimide and a volatile component, wherein as measured with a device for simultaneously measuring differential heat and thermogravimetric mass while ra...  
WO/2020/162508A1
Provided is a liquid crystal alignment agent with which it is possible to obtain a liquid crystal alignment film that maintains the voltage holding ratio even after exposure to high temperatures and high humidity. The liquid crystal alig...  
WO/2020/162693A1
The present invention relates to a self-healing infrared transmitting polyimide optical polymer material having a high refractive index, and a composite thereof, and prepares a novel chalcogen-based tetracarboxylic dianhydride compound r...  
WO/2020/162462A1
Provided are: a highly reliable liquid crystal display element that has little afterimage generation and is capable of minimizing bright spots even when physical friction occurs, such as through rubbing by spacers; and a liquid crystal a...  
WO/2020/159183A1
The present invention relates to a polyimide-based polymer film, and a substrate for a display device and an optical device, each using same, wherein the polyimide-based polymer film is synthesized by a reaction between specifically stru...  
WO/2020/157550A1
The present disclosure relates to a polymeric blend composite. The polymeric blend composite comprises 60 wt% to 99 wt% Poly Ether Ketone Ketone (PEKK), 1 wt% to 6 wt% Multi walled carbon nanotubes (MWCNTs), and 0 wt% to 40 wt% Poly-(2,5...  
WO/2020/158521A1
The present invention provides a composition for forming a release layer for slit die coating, which contains (A) a polyurea that contains a repeating unit represented by formula (1), (B) an acid compound or a salt thereof, (C) a crossli...  
WO/2020/158736A1
This composition contains a solvent and a polyimide resin precursor and/or a polyimide resin. The polyimide resin precursor and/or polyimide resin contain a compound represented by formula (0) and/or a compound represented by formula (0'...  
WO/2020/159436A1
A water channel and a method of forming the water channel are provided. The water channel includes a copolymer having a structural unit of general formula (I): wherein R1 is alkyl, ether, amide, carboxylic acid or amine; A is an optional...  
WO/2020/158785A1
The present invention provides a polyimide resin powder which is not susceptible to aggregation during preparation of a varnish, and which exhibits high solubility in a varnish. A polyimide resin powder which has a repose angle of 37.0...  
WO/2020/158795A1
A liquid crystal aligning agent which contains at least one of a polyamic acid that has a structure of formula (1) and a polyimide. In the formula, R1 represents a trialkylsilyl group.   
WO/2020/159174A1
The present invention relates to a polyimide-based polymer film, and a substrate for a display device and an optical device, each using same, wherein the polyimide-based polymer film is synthesized by a reaction between specifically stru...  
WO/2020/157953A1
[Problem] To provide a polyimide compound having high heat resistance and transparency. [Solution] The polyimide compound of the present invention is characterized by being the reaction product of a diamine compound represented by genera...  
WO/2020/158818A1
Provided is a liquid crystal aligning agent from which it is possible to obtain a liquid crystal alignment film that achieves both a rapid DC brightness relaxation speed and suppression of flicker changes. This liquid crystal aligning ag...  
WO/2020/158202A1
Provided is a curable resin composition with which the occurrence of blistering is suppressed under high temperature conditions such as reflow, and which can produce a dry film that exhibits excellent finger-touch dryness, suppression of...  
WO/2020/160115A1
A method of making a biphenol dianhydride composition includes heating a first solution including a biphenol tetraacid of the formula (I) wherein Ra, Rb, p and q are as defined herein; at least one of sodium ions, potassium ions, calcium...  
WO/2020/160132A1
A method for purification of a biphenol dianhydride composition includes contacting the biphenol dianhydride composition with a halogenated solvent to form a solution, and isolating the purified biphenol dianhydride composition from the ...  
WO/2020/159184A1
The present invention relates to a polyimide-based polymer film synthesized by a reaction between particularly structured acid anhydride compound and diamine compound, a substrate using the polymer film for a display apparatus, and an op...  
WO/2020/160201A1
A method for purification of a biphenol tetraacid composition includes contacting the biphenol tetraacid composition with a solvent including a C1-6 alcohol to form a slurry and isolating the purified biphenol tetraacid from the slurry. ...  
WO/2020/158956A1
The present invention discloses: a degradable resin composition which contains (A) a cyanic acid ester and (B) a compound which has a hydroxyl group and a hydroxyl equivalent of less than 240 g/eq.; and a degradable cured product and a d...  
WO/2020/160215A1
A method for the purification of a bisphenol A dianhydride composition includes contacting the bisphenol A dianhydride composition with a halogenated solvent to form a solution, and one or more of filtering the solution to remove ionic s...  
WO/2020/159035A1
According to the present invention, damage such as film tearing during a rolling process can be reduced by using, as a substrate for a flexible display, a polyimide film having the thickness of 5-10 μm, modulus of 3-8 GPa, the absolute ...  
WO/2020/160205A1
A poly(etherimide) includes repeating units derived from polymerization of a biphenol dianhydride and an organic diamine. A method of making the poly(etherimide) includes contacting the biphenol dianhydride and the organic diamine under ...  
WO/2020/158493A1
The present invention provides an epoxy resin solution whereby an epoxy resin cured material having sufficiently superior heat resistance and dielectric characteristics can be obtained with sufficiently favorable working efficiency. The ...  
WO/2020/159193A1
The present invention provides a polyimide film having improved heat resistance and reflective indices, wherein the polyimide film is manufactured using a polyimide precursor composition which comprises the diamine of chemical formula 1 ...  
WO/2020/158523A1
The purpose of the present invention is to provide a diamine compound that can yield a resin that has both excellent solvent solubility (solution processability) and high heat resistance, a polyimide synthesized from said diamine compoun...  
WO/2020/150913A1
Provided is a photosensitive polyimide resin composition comprising: (a) a photosensitive polyimide represented by formula (1); (b) titanium dioxide having a particle size of 0.2μm to 10μm; (c) a photoradical initiator; (d) a radically...  
WO/2020/151079A1
Provided are a polyimide thick membrane and a quantum carbon-based membrane as well as a preparation method therefor, the preparation method for the polyimide thick membrane comprising: hybridizing phenyl-containing anhydride and diamine...  
WO/2020/150914A1
The present invention provides a photosensitive polyimide resin composition, containing: (a) a photosensitive polyimide, represented by formula (1); (b) a filler, selected from one or more of alumina, graphene, inorganic clay, silica, an...  
WO/2020/150918A1
A photosensitive resin composition, comprising: (a) a polyamide ester represented by formula (1); (b) polyimide; (c) an optical free radical initiator; (d) a free radical polymerizable compound; and (e) a solvent for dissolving polyimide...  
WO/2020/153771A1
Disclosed is a novel diamine compound in which an imide ring is directly bonded to a (hetero)aryl ring in a molecule, and a polyimide film prepared by polymerizing the novel diamine compound exhibits improved thermal properties and stora...  
WO/2020/092612A3
A highly permeable sorbent platform based on polysulfone and polystyrene-b-poly(acrylic acid) composite membranes. The membranes possess a fully interconnected network of poly(acrylic acid)-lined pores, which enables the surface chemistr...  
WO/2020/153659A1
The present invention relates to: a liquid crystal alignment composition comprising a liquid crystal alignment polymer and a crosslinker compound having a terminal crosslinking functional group capped with a thermal cleavage protecting g...  
WO/2020/149574A1
The present invention relates to a liquid crystal alignment composition, a method of preparing a liquid crystal alignment film using same, and a liquid crystal alignment film and a liquid crystal display each using same, wherein the liqu...  
WO/2020/149116A1
In order to provide an imide oligomer or the like, which is capable of forming a cured product that exhibits excellent thermal oxidation stability, an imide oligomer according to the present invention is obtained by reacting an aromatic ...  
WO/2020/086965A9
The present disclosure relates to improvements in the selection and formulation of PBAE polymers using a design of experiment approach, in which statistical methods are used to limit possible experimental conditions. The present disclosu...  
WO/2020/145674A1
The present invention relates to a poly(amide-imide) block copolymer, and a composition and a polymer film each comprising same, wherein the poly(amide-imide) block copolymer has a functional group with a particular structure substituted...  
WO/2020/143265A1
A fluoride ion color-sensing polyimide film, a preparation method therefor and an application thereof; the preparation method for a fluoride ion color-sensing polyimide film comprises: mixing an aromatic diamine monomer and an aromatic d...  
WO/2020/145695A1
Provided are: a polyimide film having high structural symmetry and excellent dimensional stability; and a metal-clad laminate. Provided is a film comprising: a substrate layer composed of a polyimide for a substrate, the polyimide being ...  
WO/2020/142707A1
An agricultural formulation for conveying nutrients to a plant includes Poly(aminoamide) (PAMAM) dendrimers and a fertilizer active ingredient.  
WO/2020/141713A1
The present invention relates to a method for preparing a polyamic acid composition, a polyamic acid composition, a method for manufacturing a polyamide-imide film using same, and a polyamide-imide film produced by the manufacturing meth...  
WO/2020/141710A1
The present invention relates to a method for preparing a polyamic acid composition, a polyamic acid composition, a method for manufacturing a polyimide film using same and a polyimide film manufactured through the manufacturing method a...  
WO/2020/141614A2
A polyimide comprising a polycondensate of: a cyclic aliphatic tetra carboxylic acid dianhydride having an aliphatic 6-membered ring structure; and at least one aliphatic diamine compound selected from the group consisting of an aliphati...  
WO/2020/142554A1
A dual-cure method for forming a solid polymeric structure is provided. An end-capped, imide-terminated prepolymer is combined with at least one photopolymerizable olefinic monomer, at least one photoinitiator, and a diamine, to form a c...  
WO/2020/141708A1
The present invention provides a polyamic acid composition comprising a diamine monomer and a dianhydride monomer in the molar ratio of 1:0.98 to 1:0.99, and satisfying Equation 1 below: [Equation 1] |[(V1 - V2)/V1] × 100| ≤ 15 (%), w...  
WO/2020/140909A1
Provided are an imide-terminated prepolymer, a preparation method therefor, a curable resin composition, use thereof and a dual curing method. An end-capped, imide-terminated prepolymer is mixed with at least one photopolymerizable ethyl...  
WO/2020/137919A1
The present invention provides: a photosensitive composition containing a polymer having a group represented by a specific formula (1); a lithographic printing plate precursor having an image recording layer containing the photosensitive...  
WO/2020/138644A1
The present invention relates to: a polyamic acid composition comprising an end monomer having a specific structure; and a polyamic acid and a transparent polyimide film which are formed using the polyamic acid composition.  
WO/2020/138044A1
Provided is an optical film having a high elastic modulus and a low humidity expansion coefficient. An optical film including a polyamide-based resin having a weight-average molecular weight of 200,000-1,000,000, having at least constitu...  

Matches 51 - 100 out of 32,763