摘要:
The present invention relates to a polyimide-based film, wherein the polyimide-based film is useful as a cover substrate for a flexible electronic device since flexure characteristics thereof, represented by yield elongation, are excellent.
摘要:
This disclosure relates to a polyimide polymer that includes the reaction product of: (a) at least one diamine selected from the group consisting of a diamine of Structure (Ia) and a diamine of Structure (Ib), (b) at least one diamine of Structure (II), (c) at least one tetracarboxylic acid dianhydride, and optionally (d) at least one compound containing a first functional group reactive with an amine or an anhydride and at least one second functional group selected from the group consisting of a substituted or unsubstituted alkenyl group and a substituted or unsubstituted alkynyl group. Each variable in the above formulas is defined in the specification.
摘要:
The present invention relates to the field of perfumery. More particularly, it concerns co-polymers, derived from aspartic acid and comprising at least one α- or β-aspartic acid derivative capable of liberating an active molecule such as, for example, an α,β-unsaturated ketone or aldehyde. The present invention concerns also the use of polymers or co-polymers in perfumery as part of a perfuming or malodor counteracting composition, as well as the perfuming compositions or perfumed articles comprising the invention's compounds.
摘要:
The present invention provides a photoimageable composition comprising a polyamideimide resin, an aprotic solvent, and one or more nitrogen containing ethylenically unsaturated monomers. By addition of the nitrogen containing ethylenically unsaturated monomer, UV curable acrylates can be added to the composition, and the composition is stable. The compositions of the present invention can produce high resolution images that are flexible, hard, and have excellent resistance.
摘要:
The present invention relates to a polyamide-imide precursor, a polyamide-imide obtained by imidizing the same, a polyamide-imide film, and an image display device including the film. The polyamide-imide precursor includes, in a molecular structure thereof, a first block, obtained by copolymerizing monomers including dianhydride and diamine, a second block, obtained by copolymerizing monomers including an aromatic dicarbonyl compound and the diamine, and a third block, obtained by copolymerizing monomers including the aromatic dicarbonyl compound and aromatic diamine. The dianhydride for forming the first block includes 2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA), and the diamine for forming the first block and the second block includes 9,9-bis(3-fluoro-4-aminophenyl)fluorene (FFDA).
摘要:
Provided are a photosensitive resin composition which enables production of a planographic printing plate precursor having a non-image portion which has good solubility in an alkali aqueous solution and which enables production of a planographic printing plate having excellent chemical resistance and excellent printing durability, a planographic printing plate precursor obtained by using the photosensitive resin composition, a method for producing a planographic printing plate, and a new polymer compound. The photosensitive resin composition of the present invention contains a polymer compound which has a polycyclic structure and a sulfonamide group in a main chain; and an infrared absorbent.
摘要:
Disclosed is an acetylenic polyamide and a composition comprising said acetylenic polyamide, which acetylenic polyamide. Said acetylenic group is suitably obtained by subjecting at least one acetylenic compound to reaction with either at least one polyamide, or at least one amino functional monomer and/or carboxylic acid, yielding a corresponding acetylenic amide monomer, oligoamide or polyamide. Amide monomers and/or oligoamides can subsequently be used in production of the acetylenic polyamide.
摘要:
Subject The subject is to provide a liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. Means for solution The invention relates to a liquid crystal display device including an electrode group formed on one or both of a pair of substrates that are opposed to each other, and a plurality of active devices connected to the electrode group, and a liquid crystal alignment film formed on the opposing surfaces of the pair of substrates, and a liquid crystal composition sandwiched in between the pair of substrates, and the liquid crystal composition includes at least one compound selected from the group of compounds represented by formula (1) as a first component, and relates to the liquid crystal composition included in the device and the liquid crystal alignment film included in the device: in formula (1), R 1 is alkyl having 1 to 12 carbons or the like; ring A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z 1 is a single bond or the like; X 1 and X 2 are hydrogen or fluorine; Y 1 is fluorine or the like; and a is 1, 2, 3 or 4.
摘要:
A thermally conductive resin is provided. The thermally conductive resin has the formula
. In the formula, X 1 is
X 2 is
or
m is an integer ranging from 0 to 95, n is an integer ranging from 1 to 50, and o is an integer ranging from 1 to 80. A thermal interface material including the thermally conductive resin is also provided.