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2540 results about "Repeat unit" patented technology

A repeat unit or repeating unit is a part of a polymer whose repetition would produce the complete polymer chain (except for the end-groups) by linking the repeat units together successively along the chain, like the beads of a necklace.

Coating Composition, Optical Film, Anti-reflection Film, Polarizing Plate, and Display Unit Using Them

ActiveUS20070289497A1not worsening level unevennessdrying unevennessNon-macromolecular adhesive additivesPolarising elementsPolymer sciencePolymer chemistry
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.
Owner:FUJIFILM CORP

Recombinant V-type humanized collagen and application thereof

The invention belongs to the field of biological materials, and particularly relates to recombinant V-type humanized collagen and application thereof. The invention provides a recombinant V-type humanized collagen, the amino acid sequence of the recombinant V-type humanized collagen comprises (repetitive unit) n, and the repetitive unit comprises a sequence as shown in SEQ ID NO.1; each repeating unit is directly linked and the number n of repeating units is 10. The recombinant V-type humanized collagen can comprehensively resist skin aging.
Owner:SHANXI JINBO BIO PHARMACEUTICAL CO LTD

Treatment liquid and substrate treatment method

A treatment liquid for a semiconductor device contains water, a removing agent, and a copolymer. The copolymer has a first repeating unit having at least one group selected from a primary amino group, a secondary amino group, a tertiary amino group, and a quaternary ammonium cation, and a second repeating unit different from the first repeating unit. A substrate treatment method using the treatment liquid is also provided.
Owner:FUJIFILM CORP

Resist composition and pattern forming process

The resist composition exhibits a high contrast, improved maximum resolution, and satisfactory sensitivity and line width roughness (LWR) when processed by lithography using high-energy radiation, especially electron beam (EB) and EUV, and a pattern forming process using the resist composition. The resist composition comprising (A) a base polymer containing a polymer comprising repeat units having an acid labile group and repeat units having a carboxy group, (B) an organic solvent, and (C) a hypervalent iodine compound having formula (1):
Owner:SHIN ETSU CHEMICAL CO LTD

Automatic polymer all-atom molecular dynamics modeling method

The invention relates to a modeling method in the field of molecular dynamics, in particular to an automatic polymer full-atom molecular dynamics modeling method, and the polymer modeling process is divided into three core steps: firstly, converting SMILES of a repetitive unit into SMILES of a polymer; secondly, constructing a single-chain structure; and finally, constructing a multi-chain amorphous system. The link of cross-linking reaction needs to be additionally added to the cross-linked polymer. According to the invention, through the built-in DREIDING force field parameters, an input file required by the Lammps molecular dynamics can be directly operated and generated.
Owner:EAST CHINA UNIV OF SCI & TECH

Binder for electrodes comprising poly (vinylidene fluoride) and hydrophilic polymer

The present invention relates to a binder composition for a positive electrode comprising a polymer P1 containing repeating units derived from vinylidene fluoride and a hydrophilic polymer P2 containing repeating units derived from at least one monomer of formula R1R2C = C (R3) C (O) R (I) wherein R1, R2 and R3 are independently selected from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3,-NR 'R "or-OR', where R 'and R" are independently selected from H and C1-C18 alkyl optionally substituted by one or more hydroxyl, thiol or amino functional groups or five to six membered heterocycles comprising at least one nitrogen atom in the ring, characterized in that the hydrophilic polymer P2 has a weight average molecular weight greater than 30000 g / mol, advantageously greater than 50000 g / mol, preferably greater than 65000 g / mol, more preferably greater than 80000 g / mol.
Owner:ARKEMA FRANCE SA

Processing liquid and substrate processing method

The present invention addresses the problem of providing a processing liquid for a semiconductor device, said processing liquid having excellent corrosion resistance with respect to a metal-containing layer, excellent removability of an object to be removed, and excellent solubility in a post-processing liquid. The present invention also addresses the problem of providing a method for processing a substrate using the processing liquid. This processing liquid for a semiconductor device contains water, a remover, and a copolymer, the copolymer having a first repeating unit having at least one group selected from the group consisting of a primary amino group, a secondary amino group, a tertiary amino group, and a quaternary ammonium cation, and a second repeating unit different from the first repeating unit.
Owner:FUJIFILM CORP

Resist underlayer film-forming composition, resist underlayer film, method for producing resist underlayer film, pattern forming method, and method for manufacturing semiconductor device

To provide a resist underlayer film-forming composition capable of forming a resist underlayer film which exhibits excellent processing resistance and excellent gas permeability.SOLUTION: The resist underlayer film-forming composition contains: (A) a polyether compound containing a repeating unit represented by the following general formula (I); and (B) an organic solvent. (Ar1 represents a substituted or unsubstituted C6-30 aryl group or the like; R1 represents a substituted or unsubstituted C1-20 linear, branched or cyclic saturated or unsaturated divalent hydrocarbon group or a substituted or unsubstituted C1-20 linear, branched or cyclic heteroalkylene group; and n and m represent integers of 0 or more.)SELECTED DRAWING: None
Owner:SHIN ETSU CHEMICAL CO LTD

Polymer binder, preparation method thereof and all-solid-state sulfide lithium battery

The embodiment of the invention provides a polymer binder, a preparation method thereof and an all-solid-state sulfide lithium battery. The polymer binder is a modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, and chlorine in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer is partially or completely substituted by bromine and / or iodine; in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, the molar ratio of a corresponding repeating unit of polyvinylidene fluoride to a corresponding repeating unit of trifluorochlor oethylene is (1-9): (9-1); in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, the weight of chlorine is a, the weight of bromine and / or iodine is b, and b / (a + b) * 100% is equal to 1%-100%. The technical effect of improving the cycling stability and safety of the battery is achieved, and then the technical problems that when a traditional binder is applied to the all-solid-state sulfide lithium battery, the interface is unstable, the binding power is insufficient, and the traditional binder reacts with electrolyte are solved.
Owner:CHERY AUTOMOBILE CO LTD

Binder for all-solid-state battery, binder composition, positive electrode for all-solid-state battery, and all-solid-state battery comprising same

The present invention relates to: a binder for an all-solid-state battery, the binder comprising a main chain crosslinked by a compound including at least two thiol functional groups, wherein the main chain comprises an aromatic vinyl monomer-derived repeating unit and a conjugated diene-based monomer-derived repeating unit; a positive electrode for an all-solid-state battery, the positive electrode comprising the binder for a positive electrode for an all-solid-state battery, a conductive material, a positive electrode active material, and a solid electrolyte; and an all-solid-state battery comprising a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, wherein the positive electrode includes the positive electrode for an all-solid-state battery.
Owner:LG ENERGY SOLUTION LTD +1

Adhesive composition, bonding film, laminate equipped with adhesive layer, electromagnetic shield material, and laminate

An adhesive composition (100) comprises: a polyester resin (A) that includes an ester bond which bonds repeating units together and one or more functional groups selected from the group consisting of carboxy groups and carboxylic acid anhydride structures; an epoxy compound (B) in the amount of 1-50 parts by mass with respect to 100 parts by mass of the polyester resin (A); and a cyclic carbodiimide (C) in the amount of 0.1-20 parts by mass with respect to 100 parts by mass of the polyester resin (A).
Owner:TOAGOSEI CO LTD

Resin composition, resin film, prepreg and metal-clad laminate

To provide a resin composition which comprises a polyphenylene ether having excellent solvent solubility and has excellent electrical properties, copper foil peeling strength and solvent resistance.SOLUTION: There is provided a resin composition which comprises (A) a polyphenylene ether A containing a repeating unit derived from the following phenol and having a molecular weight distribution (Mw / Mn) determined by gel permeation chromatography (GPC) of 2.0 to 6.0 and a number of OH groups per molecule of 0.8 to 3.0 pieces / molecule, (B) a polyphenylene ether B containing a repeating unit derived from the following phenol and at least one partial structure of the following structures in the molecular skeleton (excluding those corresponding to the polyphenylene ether A), (C) a triallyl isocyanurate and / or a triallyl cyanurate and a crosslinking agent other than (C') a triallyl isocyanurate and a triallyl cyanurate as optional components and (D) an organic peroxide.SELECTED DRAWING: None
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Hydrocarbon resin polymer, and production method of the same, and substrate structure

To provide a fluorine substituent-containing hydrocarbon resin polymer having excellent electric performance, and production method of the same, and a substrate structure including a resin layer formed by cross-linking a resin composition including the hydrocarbon resin polymer.SOLUTION: A hydrocarbon resin polymer including a repeating unit (A) is derived from dicyclopentadiene (DCPD). The hydrocarbon resin polymer has a fluorine substituent where a content of the fluorine substituent is 100-4,500 ppm. A production method of the hydrocarbon resin polymer includes a step of polymerizing a mixture in the presence of a fluorine-containing compound, where the fluorine-containing compound is a boron trifluoride complex, and the mixture includes dicyclopentadiene. A substrate structure includes a resin layer, and a conductive layer disposed on the resin layer. The resin layer is formed from a resin composition including the hydrocarbon resin polymer using a cross-linking process.SELECTED DRAWING: Figure 2
Owner:LEE CHANG YUNG CHEM IND CORP

Biodegradable resin composition, biodegradable film using the same, and method for preparing the same

The present embodiment relates to a biodegradable resin composition, a biodegradable film using the same, and a method for preparing the same, wherein the biodegradable resin composition comprises: a polylactic acid (PLA) resin; and a polyhydroxyalkanoate (PHA) resin. The PHA resin includes: a first PHA resin including a 3-hydroxyhexanoate (3HH) repeating unit; and a second PHA resin comprising a 4-hydroxybutyrate (4HB) repeating unit, thereby simultaneously improving the biodegradability, stretchability, and strength of the biodegradable film. Therefore, the biodegradable resin composition according to an embodiment of the present invention has excellent biodegradability and biocompatibility, and thus is environmentally friendly, and can ensure sufficient stretchability and strength thereof to produce a stretchable film, thereby being used for producing various products requiring moldability, and also being suitable for the production of various products requiring moldability. The present invention relates to a packaging material, such as a packaging material for disposable bags or food containers, and exhibits excellent properties.
Owner:MIKEVO GMBH

Depolymerization method and application of polybutylene terephthalate

The invention belongs to the technical field of copolymerization modification of degradable polyester, and relates to a depolymerization method and application of polybutylene terephthalate. During depolymerization, polybutylene terephthalate, dimethyl carbonate and dihydric alcohol are mixed and then subjected to a depolymerization reaction, and an intermediate ester is prepared; the dihydric alcohol is dihydric alcohol which does not form a ring with dimethyl carbonate in the depolymerization reaction process; the molar weight of the dimethyl carbonate is 10-30% of the molar weight of a repetitive unit of the polybutylene terephthalate; the sum of the molar weight of a 1, 4-butanediol unit in the polybutylene terephthalate and the molar weight of the added dihydric alcohol is a, the sum of the molar weight of a terephthalic acid unit in the polybutylene terephthalate and the molar weight of the added dimethyl carbonate is b, and the ratio of b to a is (1.2-1.5): 1; during application, the prepared intermediate ester is subjected to transesterification under the condition of negative pressure to obtain the copolyester. The depolymerization method is simple and easy to implement; the depolymerization product can be directly applied.
Owner:DONGHUA UNIV

Polymer, water repellent agent, fiber product, and method for producing fiber product

Provided is a polymer to be used in a water repellent agent for fibers, the polymer including a repeating unit derived from a monomer (1) represented by formula (1-1): CRaRb=C(-Rc)-X-CY3-nZn or formula (1-2): CRaRb=C(-Rc)-X-NY2-nZn [in each of the formulae: Ra, Rb and Rc each independently represent a hydrogen atom or a hydrocarbon group having 1-5 carbon atoms; X represents a single bond or a divalent group; Y's each independently represent a hydrogen atom, or a hydrocarbon group having 1-10 carbon atoms; n represents an integer of 1 or 2; Z's each independently represent -Z1-SiZ2 3; Z1 represents a single bond or a divalent group; Z2's each independently represent -(O-Si(-OSiZ21 3)2)p-O-SiZ22 3; Z21's each independently represent a hydrocarbon group having 1-10 carbon atoms or -OSiZ211 3; Z211's each independently represent a hydrocarbon group having 1-10 carbon atoms; Z22's each independently represent a hydrocarbon group having 1-10 carbon atoms or -OSiZ221 3; Z221's each independently represent a hydrocarbon group having 1-10 carbon atoms; and p represents an integer of 0-196].
Owner:DAIKIN INDUSTRIES LTD

Water repellent composition

Provided is a water repellent composition containing a polymer (A), a polyether-modified polydimethylsiloxane (B), and an aqueous medium (C). The polymer (A) contains a repeating unit derived from a monomer (a1) represented by the formula CH2=C(-R11)-C(=O)-R12 (in the formula, R11 is a hydrogen atom or a methyl group and R12 is a C9-40 hydrocarbon group.).
Owner:DAIKIN INDUSTRIES LTD

Biodegradable thermoplastic polyoxazoline based copolymers

The invention is directed to a biodegradable, thermoplastic multiblock copolymer, to a process for preparing a biodegradable, thermoplastic multiblock copolymer, to the use of a biodegradable thermoplastic multiblock copolymer, to a composition for the delivery of at least one pharmacologically active compound to a host, and a medical device comprising a biodegradable, thermoplastic multiblock copolymer. The biodegradable, thermoplastic multiblock copolymers of the invention comprise at least one prepolymer (A) segment and at least one hydrolysable amorphous prepolymer (B) segment, wherein the segments are linked by a multifunctional chain extender, wherein the at least one prepolymer (A) segment comprises: a) one or more hydrolysable linkages, b) a water-soluble polyoxazoline-based polymer, and c) reaction products of one or more cyclic monomers and / or one or more non-cyclic monomers, wherein the water-soluble polyoxazoline-based polymer is a polymer containing a repeating unit of structure āˆ’[N(COR1)CH2CH2]nāˆ’ where R1 is independently selected for each repeating unit from an alkyl group and n is 3-100, and wherein the multiblock copolymer is amorphous.
Owner:INNOCORE TECH HLDG BV

Crosslinked liquid crystal polymers and their preparation methods and applications

The present invention relates to the technical field of liquid crystal polymer modification, and particularly relates to a crosslinked liquid crystal polymer, a preparation method thereof and an application. The crosslinked liquid crystal polymer is formed by crosslinking an aromatic liquid crystal polyester and a polyfunctional polyester oligomer in a mass ratio of 100:(0.4 - 5); the repeating unit of the polyfunctional polyester oligomer has the structure shown in formula (I) or formula (II), wherein the end groups of R1 - R6 are each independently selected from a carboxyl group and an acetoxy group, and at least one of R1, R2 and R3 in formula (I) or at least one of R4, R5 and R6 in formula (II), and its molecular chain contains a -C(O)-Ar-C(O)- link; Ar represents an aromatic ring. The crosslinked liquid crystal polymer has the advantages of high modulus and high temperature resistance, and can also maintain good flexibility and film-forming property, and thus can be formed into a diaphragm by diaphragm forming to prepare a diaphragm material. #imgabs0#
Owner:KINGFA SCI & TECH CO LTD +1

Resist composition, laminate, patterning process, and method for manufacturing the resist composition

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.
Owner:SHIN ETSU CHEMICAL CO LTD

Dispersing agent, electrode plate and battery

The invention discloses a dispersing agent, an electrode plate and a battery. The dispersing agent comprises a hyperbranched polymer, and the hyperbranched polymer contains a hyperbranched core, a plurality of branched repeating units and a connecting chain; wherein the branched repeating unit comprises at least one of carbonyl and ether, and the connecting chain is connected with the hyperbranched core and the branched repeating unit. The hyperbranched polymer in the dispersant can effectively anchor electrode materials of the electrode slurry through the synergistic effect of the hyperbranched core and the branched repetitive unit contained in the hyperbranched polymer, so that the dispersibility of each electrode material is improved, and the rheological property of the electrode slurry is adjusted. The connecting chain effectively enhances the stability of connection between each branched repeating unit and the hyperbranched core, so that the molecular structure of the hyperbranched polymer and the stability of the dispersion effect are improved. Any one of the electrode plate and the battery contains the dispersant provided by the invention.
Owner:SHENZHEN DYNANONIC INNOVAZONE NEW ENERGY TECH CO LTD

Tetraphenylethene-based polymers for supercapacitors

A polymer that includes repeating units having a structure which is at least one selected from the group including of formula (1) and formula (2). Further, a method of forming the polymer is described. The polymer is used in a supercapacitor, which includes first and second electrodes and an electrolyte which includes the polymer.
Owner:IMAM MOHAMMAD IBN SAUD ISLAMIC UNIV

Composite solid electrolyte and preparation method thereof

The invention relates to a composite solid electrolyte and a preparation method thereof, the composite solid electrolyte comprises: a lithium zirconium phosphate (LZP) oligomer: a chain nanocluster with a polymerization degree of 5-10, the surface of which is modified by trimethyl phosphate (TMP) to form a phosphate group; a polymer matrix, namely PVDF-HFP; the lithium salt is lithium bis (trifluoromethanesulfonimide) LiFSI or LiDFOB, and the molar ratio of the lithium salt to the polymer repeating unit is (1: 8)-(1: 12); wherein the LZP oligomer and a-CF2 group of the PVDF-HFP form a hydrogen bond through a phosphate group of the TMP, and the LZP oligomer and the-CF2 group of the PVDF-HFP interact with each other through a dipole, so that molecular-level interface bonding is realized; the LZP oligomer constructs a continuous three-dimensional ion channel in the electrolyte, and the dielectric constant is 60-80; the electrolyte forms a film at 60 DEG C or below by a solution casting method.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Conjugated polymers as hole transport materials for enhanced thermal stability in optoelectronic devices

The present disclosure provides polymers and oligomers having a constitutional repeating unit of Formula I. A composition including the disclosed polymer and oligomer is also provided. Devices including the disclosed polymer, oligomer, or composition are also provided. A photovoltaic device is provided including at least one perovskite material layer and at least one hole transport layer including the disclosed polymer, oligomer, or composition.
Owner:GEORGIA TECH RES CORP

Dispersant for fluorinated resin particles

To provide a non-fluorinated dispersant capable of achieving dispersibility equivalent to that of a fluorinated dispersant in a dispersion containing dispersed fluorinated resin particles.SOLUTION: There is provided a dispersant for fluorinated resin particles for dispersing fluorinated resin particles in a liquid, the dispersant comprising: (1) a non-fluorinated copolymer containing, as repeating units, (a) a Si-O-bond-containing monomer having one polymerizable functional group in a single molecule, the polymerizable functional group being a (meth)acryloyl group, and (b) a (meth)acryloyl-group-containing monomer having one polymerizable functional group in a single molecule, the polymerizable functional group being a (meth)acryloyl group, except that the Si-O-bond-containing monomer is excluded; and (2) an organic solvent.SELECTED DRAWING: None
Owner:NEOS CO LTD

Resin for hair cosmetics, and hair cosmetic

To provide a resin for hair cosmetic which is free from stickiness and highly compatible in fixing properties and combing properties without impairing performances such as water resistance, colorability and washability, and to provide a hair cosmetic. The hair cosmetics resin is obtained by bonding a poly (N-acylalkylimine) segment (b) comprising a repeating unit represented by formula (1) to at least two silicon atoms of an organopolysiloxane segment (a) constituting a main chain via an alkylene group containing a hetero atom, wherein the alkylene group containing a hetero atom is either a group represented by formula (i) or (ii), the mass average molecular weight of the segment (a) is 10,000 to 100,000, the number average molecular weight of the segment (b) is less than 800, and the mass ratio of (a) to (b) [(a) / (b)] is 58 / 42 to 90 / 10. AA [In formula (1), R1 represents a hydrogen atom, C1-22 alkyl group, aralkyl group, or aryl group, and n represents 2 or 3.] [In formula (1), R1 represents a hydrogen atom, C1-22 alkyl group, aralkyl group, or aryl group, and n represents 2 or 3.]
Owner:MITSUBISHI PENCIL CO LTD

Anode and lithium secondary battery comprising same

An anode and a lithium secondary battery comprising same are presented, the anode comprising: an anode current collector; and a protective layer disposed on the anode current collector and including a cross-linked polymer including a repeating unit derived from two or more types of multi-functional cross-linking agents, wherein the cross-linked polymer has a cross-linking density (g / n) of 300 or less.
Owner:SAMSUNG SDI CO LTD

Chemically amplified negative resist composition and resist pattern forming process

A chemically amplified negative resist composition containing (A) a base polymer containing a polymer which contains a repeat unit having formula (A1) and a repeat unit having formula (A2), the polymer being adapted to decrease its solubility in an aqueous alkaline solution under an action of an acid.
Owner:SHIN ETSU CHEMICAL CO LTD

Resin, resin composition, cured object, film, coating fluid composition, prepreg, electronic substrate, and method for producing resin

PCT designated stageWO2025263503A1Polymer sciencePolycarbonate
Provided is a resin comprising a polycarbonate structural unit represented by formula (UN1) and a terminal structure having a vinyl group (with the proviso that any polycarbonate structural unit represented by formula (A1) and any terminal structure represented by formula (A2) are excluded). [In formula (UN1), Ux is a single bond or a divalent group, R1 and R2 are each independently a substituent, n is 0, 1, 2, 3, or 4, m is 0, 1, 2, 3, or 4, and * indicates a linking bond. Symbol * in formula (A1) indicates a linking bond and symbol * in formula (A2) indicates a linking bond to the repeating unit located at an end of the resin.]
Owner:IDEMITSU KOSAN CO LTD

Bismaleimide compound, method for producing bismaleimide compound, resin composition, cured product thereof, semiconductor element, dry film resist, and cured film

The purpose of the present invention is to provide a bismaleimide compound which has good compatibility with other resins, has a high Tg value and can be developed by an alkali. This bismaleimide compound is represented by general formula (1). In formula (1), X moieties are each independently a divalent hydrocarbon group having 6-200 carbon atoms, Y moieties are each independently a divalent hydrocarbon group having 6-50 carbon atoms, and Z moieties are each independently a hydrogen atom or a monovalent group that is a carboxyl group-containing organic group or an ethylenically unsaturated group-containing organic group. However, at least one Z moiety is a carboxyl group-containing organic group or an ethylenically unsaturated group-containing organic group. n is the average number of repeating units, and represents an integer between 1 and 100.
Owner:NIPPON KAYAKU CO LTD