880 results about "Repeat unit" patented technology

A coating composition comprises: a fluoro-aliphatic group-containing copolymer comprising a repeating unit A corresponding to a fluoro-aliphatic group-containing monomer, and a repeating unit B corresponding to at least one monomer, wherein each of the I / O values of said at least one monomer constituting the repeating unit B is 1.0 or less.

The present invention is a resist composition containing a hypervalent iodine compound, a carboxy-group-containing polymer, and a solvent, where the carboxy-group-containing polymer includes a repeating unit of a carboxylic acid derivative, represented by the following formula (1), and the polymer has a dispersity Mw / Mn of 1.30 or less, where Mw is a weight-average molecular weight and Mn is a number-average molecular weight measured by gel permeation chromatography. This can provide: a non-chemically amplified resist composition excellent in sensitivity and limiting resolution in photolithography using a high-energy beam; a laminate including the resist composition; a patterning process using the resist composition; and a method for manufacturing the resist composition.

A liquid crystal composition contains a side chain type polymer liquid crystalline compound which can form a light absorption anisotropic film having a high alignment degree and has excellent solubility in a general-purpose solvent, a light absorption anisotropic film obtained using the composition, a laminate, and an image display device. The composition includes: a side chain type polymer liquid crystalline compound; and a dichroic substance, in which the compound is a copolymer having a repeating unit (1) containing a mesogenic group with a molecular weight of greater than 280 and a repeating unit (2) with a molecular weight of 280 or less, a content of the repeating unit (2) is less than 14% by mass with respect to a total mass of the compound, and a content of the dichroic substance is greater than 2% by mass with respect to a total solid content of the composition.

This invention provides an ion-conducting polymer binder for battery electrodes that possesses excellent mechanical properties and ion conductivity. [Solution] The present invention provides a repeating unit of m according to formula (I), and a repeating unit of n according to formula (II), TIFF2026057506000023.tif31170 TIFF2026057506000024.tif58170 Regarding an ion-conducting polymer binder for a positive electrode containing (CH2), R1 is (CH2) x -R3, x is 1-20, and R3 is H or CN; R2 and R5 are alkyl or alkenyl; M is alkali metal, etc.; m / n ratio is 25:1-1:25; m+n is q, q is 50-5000.

A flame retardant group-containing polymer, a separator of a non-aqueous electrolyte battery comprising the flame retardant group-containing polymer, and a non-aqueous electrolyte battery. The flame retardant group-containing polymer includes a first repeating unit, a second repeating unit, and a third repeating unit.

This application discloses a crown ether modified perfluorosulfonic acid resin, its preparation method, its application, and an ion exchange membrane. The main chain of the crown ether modified perfluorosulfonic acid resin is a perfluorocarbon chain. The crown ether modified perfluorosulfonic acid resin includes repeating unit A, which is shown in formula (1): Formula (1); In formula (1), R0 is a crown ether group, a is a positive integer from 0 to 6, and b is a positive integer from 2 to 5. This application can effectively improve the persistence of the ion exchange membrane's free radical quenching effect, while also improving the oxygen resistance of the ion exchange membrane.

This application relates to a polyaryletherketone copolymer and a method for preparing the same. The polyaryletherketone copolymer is basically composed of repeating units of Formula I and repeating units of Formula II: O-Ph-O-Ph-CO-Ph Formula I; O-Ph-Ph-O-Ph-CO-Ph Formula II; wherein the molar ratio of the repeating units of Formula I to the repeating units of Formula II is 50:50 to 95:5, preferably 60:40 to 90:10, more preferably 70:30 to 85:15; and the polydispersity index (PDI) of the polyaryletherketone copolymer is at most 3.0, preferably at most 2.9, more preferably at most 2.8, and most preferably at most 2.7.

This application provides a resin, a composition, a film, an electronic device, and a method for preparing the same. The resin includes a first repeating unit and a second repeating unit, where R1 is selected from unsubstituted C1-C. 20 R2 is an alkyl group or a C1-C6 fluoroalkyl group; R2 is selected from a single bond or an unsubstituted C1-C6 fluoroalkyl group. 10 The resin, composition, and film are all alkylene groups; R3 is selected from, R5 and R6 are independently selected from substituted or unsubstituted alkyl groups, R4 is selected from H or substituted or unsubstituted alkyl groups, R6 and R4 can be linked to form a ring, at least one of R5, R6 and R4 contains a fluorine atom, and n is 1 or 2, indicating the linking site. This resin, composition, and film can be used simultaneously in both positive and negative developing processes, ensuring the anti-collapse ability of the formed patterned structure, improving pattern stability, which is beneficial for the fabrication of electronic devices and obtaining electronic devices with excellent overall performance.

The invention discloses recombinant XVII type collagen with an anti-inflammatory effect and a preparation method of the recombinant XVII type collagen, and belongs to the technical field of protein engineering. The recombinant XVII type collagen provided by the invention comprises a plurality of repetitive units, and the repetitive units are as shown in SEQ ID NO. 1. Compared with natural XVII type collagen, the recombinant XVII type collagen is smaller in molecular weight, more stable and capable of being directly used for product production; meanwhile, the recombinant XVII type collagen disclosed by the invention can be combined with an inflammatory factor receptor to inhibit activation of a signal channel, so that the anti-inflammatory activity is improved, and therefore, the recombinant XVII type collagen disclosed by the invention can be used as a core active component to be applied to preparation of anti-inflammatory related products, and has a relatively high development prospect.

A composite separator for a lithium secondary battery according to aspects of this disclosure comprises: a porous organic polymer substrate; a porous inorganic heat-resistant layer coated on at least one surface of the organic polymer substrate, the porous inorganic heat-resistant layer comprising inorganic particles and an organic binder polymer holding the inorganic particles together; and an organic polymer adhesive layer coated on the outer surface of the porous inorganic heat-resistant layer, the organic polymer adhesive layer comprising a vinylidene fluoride-based polymer, wherein the organic polymer adhesive layer further comprises a compound having ethylene oxide repeating units and double bonds at the ends.

Provided is a structurally birefringent inorganic wavelength plate having excellent heat resistance and durability and having a fine pattern. Furthermore, the present invention provides a method for producing an inorganic wavelength plate, which has a high yield even in the form of a fine pattern, can easily achieve a desired phase difference, and can stably obtain the desired phase difference. An inorganic wavelength plate having a wire grid structure is obtained by selective interaction between a polymer having a repeating unit containing a carbonyl group and a metal oxide precursor, the inorganic wavelength plate being provided with a transparent substrate and lattice-shaped protrusions, and lattice-shaped protrusions that are arranged on at least one surface of the transparent substrate at a pitch shorter than the wavelength of light in the use frequency band and extend in a predetermined direction, the lattice-shaped protrusions being mainly composed of a metal oxide.

A self-assembling composition includes molecules of a first polymer, molecules of a positively charged second polymer, and a nucleic add. First pendant groups conjugated to pendant amine group of the first polymer include a hydrophilic polymer. Second pendant groups conjugated to the pendant amine groups include a hydrophobic group. Third pendant groups conjugated to the pendant amine groups include a group selected from a nucleoside and a nucleoside analog. Fourth pendant groups conjugated to the second polymer via pendant amine groups thereof include the hydrophilic polymer. Fifth pendant groups are conjugated to the amine groups of the second polymer include the hydrophobic group. The second polymer also includes repeat units wherein the pendant amine groups are positively charged in vivo.

This invention discloses a water-washable via-plugging resin composition and its preparation method, as well as a circuit board and its processing method. The water-washable via-plugging resin composition comprises a polymeric resin and an inorganic filler. The polymeric resin includes a structural resin and a reinforcing resin. The structural resin comprises a polymer having repeating units derived from at least one of vinyl alcohol and vinylpyrrolidone. The reinforcing resin comprises an alkali-soluble resin. The surface of the inorganic filler is modified with at least one functional group selected from the group consisting of aniline, alkyl, nitrogen-containing functional groups on the main chain or branches, and double-bonded functional groups. This invention achieves rigid protection of the circuit and via edges during the machining stage, effectively preventing burrs and circuit lifting defects, while ensuring rapid, gentle, and zero-residue peeling during the film removal stage.

The application discloses a furan-based polyester compound containing an olefin structure, a preparation method and application thereof, and belongs to the technical field of furan-based polymers. The furan-based polyester compound containing the olefin structure has a structure shown in formula (I), R is selected from one or more of C1-C20 linear or branched alkyl, aryl, heteroaryl, and n is a repeating unit. 48 The furan-based polyester compound containing the olefin structure is novel in structure and can be further converted into other furan-based polyester compounds with other structures, so that the structure type of the furan-based polyester compound is greatly enriched.

A polycarbonate resin composition containing 16-63% by mass of a repeating unit (a) represented by formula (1) and 37-84% by mass of a repeating unit (d) represented by formula (6), the polycarbonate resin composition having a viscosity average molecular weight of 15000 or more, and having a viscosity average molecular weight of 15000 or more. (In formula (1), R1 and R2 each independently represent a hydrogen atom or a methyl group) (in formula (6), R15-R18 each independently represent a hydrogen atom, a C1-10 alkyl group, or a C6-12 group including an aryl group, and W represents at least one selected from the group consisting of a single bond, an oxygen atom, a sulfur atom, a sulfinyl group, a sulfonyl group, and a divalent organic group).

The purpose of the present invention is to provide: a polycarbonate resin that has a high refractive index, low birefringence, and a glass transition temperature that is suited to use in an optical lens; and an optical member that includes the polycarbonate resin.　This thermoplastic resin includes repeating units represented by formula (1), formula (2), and formula (3), the repeating units represented by formula (1) being 70.0–98.0 mass% of all the repeating units, and the repeating units represented by formula (3) being 0.1–3.0 mass% of all the repeating units. (In formula (1), R1–R4 each independently represent a hydrogen atom, a halogen atom, a C1–20 substituent that may include an aromatic group, or a C2–20 substituent that includes a heterocycle, and m1 and m2 each independently represent 0 or 1.) (In formula (2), n1 and n2 each independently represent 0 or 1.) (In formula (3), X represents a C4–14 alkylene group.)

The present invention provides a curable resin composition containing a vinyl polymer having a reactive silyl group, which exhibits excellent weather resistance and good extensibility. [Solution] A curable resin composition comprising a vinyl polymer (A), wherein the vinyl polymer (A) has a main chain having repeating units of polymerizable vinyl monomers and reactive silyl groups bonded to the vinyl polymer main chain via a urethane structure, and the vinyl polymer (A) is a polymer obtained by silylation of the plurality of hydroxyl groups of a vinyl polymer (a) having a plurality of hydroxyl groups and a weight-average molecular weight / hydroxyl value of more than 4,000.

A chemically amplified positive resist composition containing a base polymer (A) which is a polymer whose solubility in an aqueous alkaline solution is increased by the action of an acid, contains a repeat unit containing an aromatic sulfonate anion having the formula (A1-1) and a sulfonium cation having the formula (A1-2) and a repeat unit having the formula (A2), and contains a polymer whose solubility in an aqueous alkaline solution is increased by the action of an acid.

The present invention provides a novel compound and a method for preparing same, the compound being a modifying agent useful for modifying rubber, particularly polymers containing repeating units derived from conjugated diene monomers.

The present invention relates to a recycled polyester resin and an article manufactured therefrom, wherein the recycled polyester resin comprises repeat unit A derived from a recycled raw material, and the recycled raw material comprises at least one of a recycled diol component and a recycled acid component. The recycled polyester resin can exhibit eco-friendliness while being excellent in quality such as heat resistance and color.

A polymer comprising a first repeating unit derived from a polymerizable compound comprising an aromatic group wherein the aromatic group is substituted by: a first substituent comprising an ethylenically unsaturated double bond; a second substituent as a hydroxyl group; and a third substituent comprising a carbonyl group, wherein the carbonyl groups of the first substituent, the second substituent and the third substituent are each bonded to different carbon atoms of an aromatic group; and a second repeating unit comprising an alkali labile group, wherein the first repeating unit and the second repeating unit are structurally different.

The present application relates to a kind of quantum dot light emitting device and its preparation method.The quantum dot light emitting layer of the quantum dot light emitting device includes three kinds of quantum dot subunits with different light emitting colors arranged in array, and three kinds of quantum dot subunits all include crosslinking copolymer, which is made by pre-polymer through crosslinking reaction, pre-polymer includes connected repeating unit (see formula I) And end group, end group contains: at least one of cyan group, hydroxyl group, sulfonic acid group, mercapto group, disulfide group, phosphorus group, amino group, carboxyl group, thiocyan group and halogen, the end group is bound together with quantum dot by coordination bond;Ar1It is big π conjugated nitrogen-containing heteroaromatic group, with excellent film-forming property and hole transport capacity, and with low LUMO energy level, can hinder the transmission of anode electron;R9It is crosslinkable group, provides crosslinking basis.The film-forming uniformity of the quantum dot of the present application is good, can maintain the high light emitting efficiency of quantum dot, promote the transmission of hole, improve the balance of carrier.

Provided are a polymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2, a method of producing the same, a resist composition including the polymer, and a method of producing a pattern by using the resist composition:wherein, for descriptions of L11, a11, X11, c11, Y21, Y22, n21, L21, L22, a21, a22, R21, R22, X21, X22, c21, c22 and o21 in Formulae 1 and 2, reference should be made to the specification.

We provide pads for chemical mechanical polishing. [Solution] A polishing pad suitable for polishing at least one of semiconductor, optical, magnetic, or electromechanical substrates comprises a polishing layer containing polyurethane, wherein the polyurethane has phase-separated silicon-rich domains surrounded by polyurethane regions, and the phase-separated silicon-rich domains contain silicone oligomer repeating units covalently bonded to the polyurethane. Polishing using this pad can achieve a higher removal rate and / or lower defects than polishing using a similar pad lacking phase-separated silicon-rich domains.

The present invention provides a water-repellent agent composition which contains a polymer (A) having a repeating unit that is derived from a silicon-containing monomer represented by formula CH2=C(-Ra)-X-SiZ3 (in the formula, Ra represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, X represents a divalent group that is composed of one or more selected from the group consisting of X1 and X2, X1 represents a group that is composed of one or more selected from the group consisting of -O-, -C(=O)-, and -NR'- (wherein each R' independently represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms), X2 represents a divalent aliphatic hydrocarbon group having 1 to 40 carbon atoms, each Z independently represents a hydrocarbon group having 1 to 10 carbon atoms or –(O-SiZ1 2)n-O-SiZ2 3, each Z1 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ11 3, each Z11 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ111 3, each Z111 independently represents a hydrocarbon group having 1 to 10 carbon atoms, each Z2 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ21 3, each Z21 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ211 3, each Z211 independently represents a hydrocarbon group having 1 to 10 carbon atoms, and each n independently represents an integer of 0 to 196) and a dispersant (B), wherein: the polymer (A) contains the repeating unit that is derived from the silicon-containing monomer in an amount of 90% by weight or more based on the weight of the polymer (A); and polymer (A) has a number average molecular weight of 60,000 to 4,000,000 inclusive. The water-repellent agent composition is capable of imparting both good water repellency and good slip resistance to a base material (particularly, a fiber product).

A polymer electrolyte membrane for a lithium secondary battery according to the present disclosure includes a copolymer. The copolymer include a main chain including a first repeating unit and a second repeating unit, a fluoroalkyl group bonded as a side chain to the main chain, and a polymer segment bonded as a side chain to the main chain and containing oxygen. A lithium secondary battery according to the present disclosure includes the polymer electrolyte membrane for a lithium secondary battery.

Provided are a polyimide compound including a repeating unit having an aromatic diamine component having a specific structure in which a side-chain benzylic position is regioselectively brominated, a gas separation membrane having a gas separation layer containing the polyimide compound, and a gas separation module and a gas separation apparatus each having the gas separation membrane.

A binder composition for a non-aqueous secondary battery electrode contains a polymer X that includes an acidic group-containing monomer unit in a proportion of not less than 3 mass % and not more than 20 mass % and a repeating unit derived from an unsaturated monomer A in a proportion of not less than 5 mass % and less than 50 mass %. The unsaturated monomer A has a solubility in water of not less than 1 g / 100 mL and not more than 15 g / 100 mL and has a glass-transition temperature of 40° C. or lower.

The present invention is a negative photosensitive resin composition containing (A) an epoxy resin, (B) a compound having a phenolic hydroxyl group, and (C) a cationic photopolymerization initiator, in which 30% by mass or more of the epoxy resin (A) is an epoxy resin (A-1) represented by formula (1) (in formula (1), R each independently represents a glycidyl group or a hydrogen atom; at least two of the plurality of R groups are glycidyl groups; and a represents the average number of repeating units, which is a real number in the range of 0 to 30), and (B) the compound having a phenolic hydroxyl group and (C) the photocationic polymerization initiator have a specific structure.

The polymer electrolyte membrane for a lithium secondary battery according to the present invention comprises a copolymer. The copolymer has: a main chain comprising a first repeating unit and a second repeating unit; a fluoroalkyl group which is bonded to the main chain by a side chain; and a polymer segment that is bonded to the main chain in a side chain and contains oxygen. The lithium secondary battery according to the present invention comprises the polymer electrolyte membrane for a lithium secondary battery.