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WO/2020/166623A1 |
A liquid crystal alignment agent is provided which can form a liquid crystal alignment film that has minimal occurrence of afterimages resulting from remaining DC, or AC afterimages, and that is easy to rework and has high transmittance....
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WO/2020/166933A1 |
The present invention provides a window film for a flexible display, which, even when using a polyimide film with a high yellowness index, can have high transmittance as well as a low yellowness index by adjusting the color of the overal...
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WO/2020/162668A1 |
The present invention relates to a thermosetting resin composition for a semiconductor package, and a prepreg and a metal clad laminate, which comprise the composition, the thermosetting resin composition comprising: a modified phenylene...
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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...
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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...
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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...
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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...
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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'...
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WO/2020/155291A1 |
Provided by the present invention are a thermosetting resin composition, a prepreg containing same, a metal foil-clad laminate and a printed circuit board; the resin composition comprises the following components: a combination of a bism...
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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...
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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...
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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 ...
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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...
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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...
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WO/2020/160059A1 |
An article formed by additive manufacturing includes a build structure and a support structure. The build structure includes a polyetherimide, and the support structure includes a copolycarbonate containing bisphenol isophorone carbonate...
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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 ...
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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...
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WO/2020/153311A1 |
Provided is a liquid crystal-aligning agent having: at least one polymer selected from among a polyimide precursor and a polyimide which is an imidized product of the polyimide precursor; and a compound (hereafter, referred to as a speci...
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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...
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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...
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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...
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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...
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WO/2020/153655A1 |
The present invention provides a film touch sensor comprising: a separation layer; a protective layer formed on the separation layer; an electrode pattern layer formed on the protective layer; and an insulating layer formed on the electr...
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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...
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WO/2020/149504A1 |
Disclosed are a thermoplastic resin composition, a preparation method therefor, and a molded product comprising same and, more specifically, disclosed are: a thermoplastic resin composition comprising 100 parts by weight of a base resin ...
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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...
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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...
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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...
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WO/2020/145175A1 |
The present invention provides: a liquid crystal alignment film that has excellent display reliability with less changes in a pretilt angle even after being driven for a long time, has high voltage holding characteristics, and is capable...
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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...
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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 ...
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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...
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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...
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WO/2020/140506A1 |
The present invention relates to a soft magnetic composite with a two-dimensional magnetic moment and a high working frequency band, and a preparation method therefor. According to an embodiment, the soft magnetic composite with a two-di...
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WO/2020/140955A1 |
Disclosed are a ternary alloy containing an aromatic polyamide and a preparation method therefor. The ternary alloy containing an aromatic polyamide is prepared from the following raw materials in parts by weight: 70-94 parts of polyethe...
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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.
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WO/2020/136827A1 |
An electrically insulating resin composition which contains: a polyamide imide resin that has a number average molecular weight of from 17,000 to 23,000 and an acid value of from 30 mgKOH/g to 50 mgKOH/g; and inorganic particles.
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WO/2020/133336A1 |
Provided are a halogen-free and phosphorus-free flame retardant resin composition, a binding material containing same and a metal foil-clad laminate. The resin composition comprises the following components in parts by weight: 50-70 part...
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WO/2020/137550A1 |
This polyimine is a reaction product of a dialdehyde and a diamine, said dialdehyde being an aromatic dialdehyde that does not have a hydroxyl group, and said diamine including an aromatic diamine that has an electron withdrawing group. ...
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WO/2020/132858A1 |
A resin composition, a prepreg used for a printed circuit, and a metal-clad laminate. The resin composition comprises: a silicon-containing arylacetylene resin, a cyanate ester compound, and a maleimide compound. By using the resin compo...
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WO/2020/137879A1 |
[Problem] To provide a powder liquid dispersion that has excellent dispersibility, has less powder fall-off when used to form a layer (coating film), and allows improvement of the smoothness and UV workability of a surface of the obtaine...
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WO/2020/138259A1 |
The present invention provides: a liquid crystal alignment film which undergoes little change in a pretilt angle even when being driven for a long period of time and has excellent display reliability; a liquid crystal display element whi...
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WO/2020/138645A1 |
The present invention provides a polyamic acid composition comprising triamine having a specific structure capable of forming cross-linking bonds, a polyamic acid formed from the polyamic acid composition, and a transparent polyimide fil...
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WO/2020/138743A1 |
The present invention provides a polyamic acid composition, which, in a cured state on a substrate of amorphous or crystalline silicon, has an adhesion of 0.05-0.1 N/cm with the amorphous or crystalline silicon.
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WO/2020/133337A1 |
A thermosetting resin composition, and a prepreg, laminated board and high frequency circuit substrate which contain the thermosetting resin composition, the thermosetting resin composition comprising the following components by weight: ...
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WO/2020/138687A1 |
The present invention provides a polyamic acid composition having an adhesive strength of 0.05-0.1 N/cm with amorphous or crystalline silicon in a cured state on an amorphous or crystalline silicon substrate.
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WO/2020/133472A1 |
An epoxy resin composition, and a prepreg, a laminate, and a metal foil-coated laminate manufactured using same. The epoxy resin composition comprises epoxy resin (A), phenolic curing agent (B), high molecular weight resin (C), and an op...
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WO/2020/130261A1 |
The present invention relates to a crosslinking agent compound having a terminal crosslinkable functional group capped with a silane-based protecting group, a photosensitive composition including same, and a photosensitive material using...
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WO/2020/124824A1 |
Provided are a composite thin film and a preparation method therefor. The composite thin film is composed of a polyimide and a dense silica layer formed on the surface of the polyimide.
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WO/2020/121766A1 |
[Problem] To provide a resin composition capable of being easily inhibited from having a curing failure, a method for foreknowing a curing failure, a method for producing a bonded object, an adhesive kit, and a device for detecting a cur...
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