80 results about "Monomer" patented technology

This invention provides a resin composition and its application. The resin composition comprises a combination of an acenaphthene-modified polymer and a component containing C=C unsaturated bonds. The monomers of the acenaphthene-modified polymer include acenaphthene and a polyfunctional vinyl aromatic compound, and the molar percentage of acenaphthene in the monomers is 10-90%. Based on a total mass of 100 parts for the acenaphthene-modified polymer and the component containing C=C unsaturated bonds, the mass of the acenaphthene-modified polymer is 10-80 parts. This invention, through the design of the acenaphthene-modified polymer and its mutual compounding with the component containing C=C unsaturated bonds, enables the resin composition and the prepreg and metal foil laminate containing it to have high glass transition temperatures, excellent heat resistance, dielectric properties, resistance to damp heat, and filler properties, significantly improving the internal consistency of the substrate and fully meeting the performance requirements of high-transmission-rate substrates.

The present invention aims to provide an anti-wear agent having a high anti-wear effect and a lubricating oil composition containing the anti-wear agent. The present invention relates to an anti-wear agent containing a copolymer (A) that contains, as essential constituent monomers: a monomer (a) represented by the following formula (1); and a monomer (b) represented by the following formula (2), a weight ratio (b / a) of the monomer (b) to the monomer (a) in the copolymer (A) being 0.0005 to 0.12, the formula (1) being as follows:wherein A1 is a polymerizable group; —X1—, —X2—, and —X3— are each independently a group represented by —O— or —NH—; R1 is a C1-C4 alkylene group; R2 is a C2-C20 alkylene group; R3 is a hydrogen atom, a linear or branched C1-C44 alkyl group, a phenyl group having a linear or branched C1-C44 alkyl group, an acyl group having a linear or branched C1-C44 alkyl group, or a benzoyl group having a linear or branched C1-C44 alkyl group; and p is an integer of 1 to 100, where when p is 2 or more, a plurality of R2's are the same as or different from each other and a plurality of X3's are the same as or different from each other, the formula (2) being as follows:wherein R4 is a hydrogen atom or a methyl group; —X4— is a group represented by —O— or —NH—; R5 is a C1-C4 alkylene group; and —X5— is a group represented by —O— or —NH—.

The present invention relates to a monomer having a functional group, a heat-resistant polymer having a rigid main chain using same, and a manufacturing method therefor. Particularly, the present invention relates to a monomer having a pentafluorophenyl group of chemical formula 1, a heat-resistant polymer of chemical formulas 2 and 3 having the monomer of the present invention, and a manufacturing method therefor. According to the present invention, a novel polymer obtained by polymerizing a novel monomer of the present invention has a reactive group of reactive pentafluorophenyl, and thus may exhibit excellent reactivity and enable synthesis of polymers having an excellent polymerization degree by using a polyhydroxyalkylation polymerization method without a protective group. Due to such excellent reactivity, the polymer of the present invention can cause a nucleophilic substitution reaction under mild conditions, and thus an ion-exchange group, such as sulfonic acid or phosphonic acid, can be introduced under mild conditions through such a reaction. In addition, the novel polymer of the present invention has high heat resistance and chemical resistance and good tensile strength, and thus can be used as an engineering plastic. In addition, the novel polymer of the present invention can be imparted with ionic conductivity or other functionalities by introducing a phosphonic acid group or a sulfonic acid group into any one of fluoro positions of pentafluorophenyl of the polymer, and accordingly, may be used as an electrolyte membrane for a fuel cell or water electrolysis. [Chemical formula 1] [Chemical formula 2] [Chemical formula 3]

The application discloses a composite gel and a preparation method thereof, a strain sensor and application of the strain sensor. The preparation method of the composite gel comprises the following steps: mixing and matching raw materials including a hydrophilic polymerizable monomer, an initiator, a crosslinking agent, water, a hydrophobic ionic liquid and an amphiphilic metal salt into a precursor solution, and preparing the composite gel through a polymerization reaction. By introducing the amphiphilic metal salt as a molecular bridge, the compatible connection of the hydrophilic network and the hydrophobic ionic liquid can be realized. By introducing the relatively inexpensive water phase, the use amount of the hydrophobic ionic liquid can be reduced, and the cost can be effectively controlled. By adjusting the ratio of the hydrophobic ionic liquid and the water, the Young's modulus can be accurately controlled in a wide range to match different human tissues. The obtained composite gel has excellent anti-drying, anti-freezing and environmental stability, and simultaneously has low hysteresis and self-adhesion characteristics. The composite gel is suitable for the strain sensor, and stable and reliable dynamic monitoring can be realized. Moreover, the process is simple, the conditions are mild, and the composite gel is easy to produce on a large scale.

A method for manufacturing a three-dimensional object, comprising the steps of (a) manufacturing a three-dimensional object by powder bed fusion bonding using a powder composition containing resin powder made of a thermoplastic resin with a melting point of 200°C or higher, and (b) impregnating the three-dimensional object obtained in step (a) with a thermosetting monomer mixture and curing it. This method can produce a three-dimensional object with good airtightness and reliability that does not leak even in high-temperature environments. Furthermore, it can produce a three-dimensional object with good airtightness that maintains the heat resistance and mechanical properties of the material itself.

The present invention provides a hollow particle having excellent performance stability in a high humidity environment and a low relative dielectric constant. A hollow particle having a shell containing a resin, and a hollow portion surrounded by the shell, the shell containing, as the resin, a polymer containing 70 to 100 parts by mass of crosslinkable monomer units in 100 parts by mass of total monomer units, the hollow particle having a void ratio of 60% or more, a content of a surfactant present on the surface of the hollow particle of 200 ppm or less, and a relative dielectric constant of the hollow particle at a frequency of 1 MHz of 1.6 or less.

A method of making a collection of polymeric beads is provided, wherein the beads comprise (i) 75 to 99 weight percent, based on the weight of the beads, of polymerized units of a monofunctional vinyl monomer, and (ii) 1 to 25 weight percent, based on the weight of the beads, of polymerized units of a multifunctional vinyl monomer, wherein the method comprises (a) providing an aqueous suspension of monomer droplets comprising an initiator, a monofunctional vinyl monomer, and a multifunctional vinyl monomer; (b) initiating polymerization of the monomers in the monomer droplets; (c) adding a monomer feed solution to the suspension while polymerization of the monomers in the monomer droplets is occurring.

A method of treating a surface, the method comprising the step of contacting the surface with a composition comprising a polymer, wherein the polymer is obtainable by polymerising a mixture of monomer

To provide a lightweight fiber-reinforced molded body. [Solution] A method for producing a fiber-reinforced molded article, comprising the steps of: preparing a mixture containing a first polymerizable monomer, a hydrocarbon solvent, a dispersion stabilizer, and an aqueous medium; preparing a suspension by suspending the mixture; and subjecting the suspension to a polymerization reaction, wherein the mixture contains a crosslinkable monomer as the first polymerizable monomer, the content of the crosslinkable monomer in 100 parts by mass of the first polymerizable monomer is 80 parts by mass or more, and when the polymerization conversion rate of the first polymerizable monomer reaches 93% by mass or more, a second polymerizable monomer having a solubility of 0.3 g / L or more in distilled water at 20°C is added and subjected to a further polymerization reaction to produce hollow particles; preparing a resin composition containing the obtained hollow particles, a matrix resin, and a solvent; and impregnating reinforcing fibers with the resin composition.

To provide a liquid crystal alignment agent that can produce a liquid crystal element exhibiting good liquid crystal alignment properties, low charge accumulation, and rapid residual charge relaxation, as well as a liquid crystal alignment film with high strength. [Solution] A polymer (A) containing structural units derived from a monomer having a substructure represented by formula (1), and a group F which is at least one selected from the group consisting of polymerizable carbon-carbon unsaturated bond-containing groups, isocyanate groups, protected isocyanate groups, cyclic carbonate groups, groups having a ketene structure, groups having a meldrum acid structure, cyclic ether groups, cyclic thioether groups, oxazoline groups, protected hydroxyalkylamide groups, protected thiol groups, and protected secondary amino groups. 1 A liquid crystal alignment agent containing a compound (B) having a total of two or more of in one molecule and lacking an aromatic ring. In formula (1), Ar 1 and Ar 2 This is a divalent aromatic ring group, etc. 1 X is a hydrogen atom, etc. 1 is -O- etc. TIFF2026087169000033.tif20169

The present invention provides a method for producing polyamide fine particles having a controlled particle size, a narrow particle size distribution, and a high degree of sphericity. The method is characterized by polymerizing monomer A and monomer B of polyamide in the presence of a polymer C, and precipitating fine particles containing a copolyamide in a state in which the copolyamide is dissolved in the polymer C or the copolyamide is dispersed in the polymer C in the form of droplets. The present invention also provides fine particles of a copolyamide having a narrow particle size distribution, a high degree of sphericity, and a melting point of 210°C or lower.

The application discloses a kind of temperature-resistant water-soluble monomer design methods based on generative artificial intelligence.The method comprises the following steps: constructing polymer thermal performance dataset, training quantitative structure-property relationship prediction model;Adopt generative artificial intelligence strategy, by the structure deconstruction and recombination of existing temperature-resistant monomer and water-soluble monomer, generate massive virtual monomer library;Build water-soluble evaluation index considering solubility parameter, oil-water partition coefficient and hydrogen bond number;Combined with synthesis accessibility score, multi-objective high-throughput screening is carried out on virtual monomer library.The application realizes the synergistic optimization and high-throughput screening of the temperature resistance and water solubility of candidate monomers, solves the problems of limited types of existing temperature-resistant water-soluble monomers, mainly relying on experience trial and error in research and development, and low screening efficiency, especially the lack of unified and calculable evaluation index for water solubility, which makes it difficult to optimize and screen the temperature resistance and water solubility as constraints in the process of artificial intelligence aided design.

A polymer comprising repeating units derived from monomer (1) shown in formula (1-1) or formula (1-2) below, and having an adhesion of 800 gf or less. [In each formula, R] a X is a polymerizable organic group, X is a single bond or a divalent group, Y is independently a hydrocarbon group with 1 to 10 hydrogen atoms, α is an integer from 1 to 3, β is an integer of 1 or 2, and Z is independently -Z 1 -SiZ 2 3－m Z 3 m Z 1 Z is a single bond or a divalent group. 2 Each is an independent hydrocarbon group with 1 to 10 carbon atoms, where m is an integer from 1 to 3, and Z 3 They are independently -(O-SiZ) 31 2) p -(CH2) q -Z 32 -SiZ 33 3, Z 31 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 311 3, Z 311 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 3111 3, Z 3111 Each is an independent hydrocarbon group having 1 to 10 carbon atoms, Z 32 For O or CH2, Z 33 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 331 3, Z 331 Each group is an independent hydrocarbon group with 1 to 10 carbon atoms, where p is an integer from 0 to 196 and q is an integer from 0 to 10. a -X-CY 3－α Z α (1-1)R a -X-NY 2－β Z β (1-2)

The present invention relates to a polymer dispersant for a non-aqueous solvent, containing a structural unit derived from a monomer represented by general formula (1) below and a structural unit derived from a monomer having a hydroxy group: In general formula (1), R1, R2, and R3 are each selected from a hydrogen element or a methyl group, X1 represents an oxygen element, an ester group, an amide group, or —CH2O—, Y1 represents a repeating unit of an alkylene glycol having from 2 to 4 carbons, R4 represents a hydrogen element or an alkyl group having from 1 to 20 carbons, and n represents the number of repeating units of the alkylene glycol.

Provided in the present invention are a polymer having an interpenetrating network structure, and a preparation method therefor and the use thereof. The method comprises: polymerizing a polymer framework and a first monomer, wherein the polymer framework is of a network shape and comprises a structural unit derived from a non-ionic monomer, a structural unit derived from an anionic monomer, and a structural unit derived from a phenolic resin; and the first monomer has a structure as represented by formula (A). Formula (A), wherein R0 is a C4-C12 alkyl. The polymer of the present invention does not excessively spread at high temperatures or excessively shrink under high-salt conditions, has good temperature resistance and salt resistance, and exhibits good dispersion stability in high-temperature water / brine. When applied to a drilling fluid and / or a completion fluid, the polymer has good fluid-loss-reducing, lubrication-optimizing and suspension-enhancing effects.

The present disclosure relates to a method for producing a polymer film layer for a biosensor, including: preparing a base layer reagent including a first type of polymer, a bonding layer reagent including a second type of polymer, and an outer layer reagent including a third type of polymer, the second type of polymer being a copolymer formed from a first monomer identical to a monomer of the first type of polymer and a second monomer identical to a monomer of the third type of polymer; and sequentially forming the base layer, a bonding layer having a bonding effect on the base layer, and an outer layer having biocompatibility on the bonding layer, wherein the bonding layer has diffusion control properties in the polymer film layer, and the bonding layer is bonded to the base layer and the outer layer by at least one of a conjugation effect, a like dissolves like effect, a hydrogen bond interaction, and cross-linking. Thus, a method for producing a polymer film layer for a biosensor having biocompatibility and capable of expanding a response linear range can be provided.

This invention discloses a magnetic imidazole-based composite material, wherein the composite material uses Fe3O4 as a magnetic core, and the surface is sequentially coated with a KH-570 coupling layer and a polyvinyl imidazole functional layer, and the surface is rich in imidazole functional groups; the preparation method of the composite material includes the following steps: (1) hydroxylation treatment of the magnetic core: Fe3O4 is dispersed in an alkaline solution for hydroxylation treatment to obtain Fe3O4 with a surface rich in hydroxyl groups; (2) KH-570 modification: The hydroxylated Fe3O4 obtained in step (1) is dispersed in an organic solvent and silane coupling is added. The reaction was carried out with KH-570 to obtain Fe3O4@KH-570; (3) 1-vinylimidazolium graft polymerization: Fe3O4@KH-570 obtained in step (2) was dispersed in an organic solvent, 1-vinylimidazolium monomer and initiator were added, and graft polymerization was carried out under an inert atmosphere to obtain Fe3O4@KH-570@VIM composite material; Application of the composite material prepared by the present invention in enriching and degrading PET microplastics; The preparation process of the present invention is simple and low in cost, and has good environmental and economic benefits.

The present invention provides a resin wiring substrate (1) comprising: a first resin layer (11) comprising a resin component formed of a first resin; a second resin layer (31) stacked on the first resin layer (11), comprising a resin component formed of a second resin and having a Young's modulus lower than that of the first resin layer (11); a wiring pattern (24) disposed between the first resin layer (11) and the second resin layer (31), wherein a first surface (24a) is formed in contact with the first resin layer (11) and a second surface (24b) opposite to the first surface (24a) is formed in contact with the second resin layer (31); and a resin diffusion layer (23) disposed at least between the first resin layer (11) and the second resin layer (31) and in a region that does not overlap with the wiring pattern (24) when viewed from above, and comprising a resin component formed of a third resin, wherein the first resin, the second resin, and the third resin have a common structural unit that is partially or entirely the same from the structural units of a single monomer.

A resin composition, including: a resin component containing propylene units, and a resistance-imparting agent, wherein the resistance-imparting agent is a monomer having a phenol skeleton with hydrogen or an alkyl group having 1 to 3 carbon atoms, bonded to at least one of ortho positions to the hydroxyl group of the phenol skeleton, and has a melting point of 215° C. or less and a molecular weight of 200 or more and 500 or less, a content of the resistance-imparting agent is 0.4 parts by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the resin component, and a content ratio of metal impurities is 0.02% by volume or less.

This adhesive composition is characterized by comprising: a (co)polymer (A) having (a) a polymer block of a methylstyrene monomer; at least one olefin-based polymer (B) which contains (c) a (co)polymer block of at least one aliphatic monoolefin and / or at least one aliphatic polyene, or a partially or completely hydrogenated block thereof and in which the content ratio of the (c) block is greater than 87 mass% and at most 100 mass%; and at least one tackifier (C). The present invention can provide an adhesive composition from which an adhesive layer having excellent adhesiveness can be formed at both a high temperature (at least 100ºC, for example, 120ºC) and a normal temperature of about 25ºC.

A method of producing an optical material, wherein a polymerizable composition intended to polymerize to form the optical material comprises: a) monomeric compounds adapted to polymerize, b) at least one catalyst for initiating the polymerization of said monomeric compounds, and c) from more than 1,500 ppm to 3,000 ppm of a release agent, as compared to the total weight of the polymerizable composition, and wherein said polymerizable composition is polymerized under a polymerization cycle including a plurality of steps, the global duration of the polymerization cycle being of less than 19 hours.

The present invention relates to the use of the compound of the formula (I) where the variables are as defined in the claims and the description, or of a mixture thereof, as a monomer for producing a thermoplastic resin selected from polyesters, polycarbonates and polyestercarbonates. The invention relates moreover to compounds (I), except for compounds where A1 and A2 are both unsubstituted 1,4-phenylene, p and q are both 0, and X1 and X2 are both —CH2OH or —C(O)OH, and except for the compound where A1 and A2 are both unsubstituted 2,3-quinolinylene, p and q are both 0, and X1 and X2 are both —CH2OH.

This invention provides a method for simulating and predicting the bonding performance of an underfill adhesive, comprising: (1) modeling and optimizing the substrate material; (2) modifying the surface of the optimized substrate material; (3) modeling the monomer mixture; (4) constructing and restrictively optimizing the relaxation of a "substrate-monomer mixture-substrate" sandwich structure; (5) performing a crosslinking reaction on the sandwich structure to obtain a kinetic calculation model box; (6) acquiring kinetic data; (7) establishing a thermodynamic calculation model; (8) optimizing and relaxing the thermodynamic calculation model to obtain thermodynamic data; (9) constructing a crosslinking unit model of coupling agent, epoxy resin, and curing agent; (10) obtaining the minimum bond breaking energy; and (11) simulating and predicting the bonding performance of the underfill adhesive based on the data obtained above. The simulation and prediction method of this invention has the characteristics of high precision and high efficiency, overcoming the problems of incompleteness, low precision, and narrow applicability of existing technologies.

The purpose of the present invention is to provide a curable resin composition capable of forming cured objects having large thicknesses and satisfactory shapes and a cured object obtained from the curable resin composition. This curable resin composition comprises an alkali-soluble resin (A) which comprises a repeating constituent unit (a1) having a cyclic ether group and a repeating structural unit (a2) having an acid group and has a glass transition temperature of 100°C or lower and an acid value of 40-120 mgKOH / g, a monofunctional monomer (B) having a glass transition temperature of 0°C or higher, and an organic solvent (C), wherein the content of the monofunctional monomer (B) is 10-60 parts by mass per 100 parts by mass of the alkali-soluble resin (A). The curable resin composition contains neither a monofunctional monomer (D) having a glass transition temperature lower than 0°C nor a polyfunctional monomer (E). Alternatively, when the monofunctional monomer (D) is contained, the content of the monofunctional monomer (D) is 25 parts by mass or less per 100 parts by mass of the alkali-soluble resin (A), and when the polyfunctional monomer (E) is contained, the content of the polyfunctional monomer (E) is 2 parts by mass or less per 100 parts by mass of the alkali-soluble resin (A).

A toner comprising a toner particle comprising a binder resin and an ester compound, wherein:the binder resin comprises a resin A comprising a specific amount of a long-chain acrylate unit and a styrene-based monomer unit, and a resin B comprising a specific monomer unit in a specific amount;the ester compound has an alkyl chain with a specific chain length,a content of the resin A in the chloroform-soluble portion of the toner particles is 60% by mass or more; andusing SPm (J / cm3)1 / 2 for a SP value of the long-chain acrylate unit and using SPw (J / cm3)1 / 2 for a SP value of the ester compound,SPm is 18.00 to 19.00, andSPm and SPw satisfy formula (a).|SPm−SPw|≤1.50  (a)

The invention provides a porous medium comprising (i) a porous support and (ii) a polymer or a salt thereof comprising at least one polymerized monomer (A), optionally at least one polymerized monomer (B), and optionally at least one polymerized monomer (C), wherein monomers (A)-(C) are as defined herein, and wherein the polymer or a salt thereof is crosslinked with a crosslinking agent to form a crosslinked polymer or a salt thereof as a network on the porous support. The invention also provides a method of making the porous medium and a method of using the porous medium.

A resin composition capable of obtaining excellent properties in a molded body or the like after molding processing is required. In addition, it is not easy to reliably and easily manufacture a resin composition capable of achieving excellent properties of a molded body using a conventional manufacturing method. The above technical problem is solved by using a resin composition containing: an oligomer containing a first structural unit (A) derived from a monomer represented by the following general formula (1); and a polycarbonate resin containing a second structural unit (B) derived from a monomer represented by any of the following general formulas (2a) to (2c), the molecular weight (Mw) of the oligomer being 500 to 20,000. Details of the general formulas (1) and (2a) to (2c) are shown in the specification.

Disclosed herein is a method for recording a grating structure and the resultant grating structure. In one example, the method includes: depositing a holographic mixture containing a mixture of monomer and inert material onto a first substrate; exposing the holographic mixture to form a nanostructure including polymer-rich and inert-material rich regions using a holographic exposure phase separation process; removing the inert material from the inert material rich regions to form a grating including polymer rich regions and regions containing a residual polymer network; applying an ashing process to the regions containing a residual polymer network to form an ashed grating comprising polymer-rich regions and air regions; depositing a coating material onto the ashed grating to form a coated grating where the coating material backfills the air regions and overcoats the polymer-rich regions.

The invention relates to a bottle (1) molded from at least one thermoplastic polymer of at least one furandicarboxylic acid (FDCA) monomer, preferably 2,5-furandicarboxylic acid (2,5-FDCA) monomer, and at least one diol monomer, preferably monoethylene glycol (MEG) monomer. This bottle, having a main axis (X), is provided with a body (5) and a lower base (6) extending from a lower end of the body (5).The lower base (6) comprises: - a peripheral seat (7) defining a placement plane (8); - a concave arc (10) extending from the periphery of a central zone (11) of the lower base (6) to the peripheral seat (7), said concave arc (10) having a generally rounded shape with a concavity oriented towards the outside of the vessel (1) and the midpoint of the central zone (11) being called the thrust (11a); - a series of reinforcing grooves (13) extending radially from the central zone (11) to at least the peripheral seat (7); - base feet (14) located between two adjacent reinforcing grooves (13); According to the invention, the base of the bottle bottom (6) comprises an offset seating radius, defined as the distance between the maximum diameter of the bottle and the point of contact of the feet of the base with the placement plane (8) which is in the range of 5 to 10 mm for a bottle having a diameter (D) between 40 and 150 mm.

The present invention addresses the problem of providing a modifier for a thermosetting resin composition having excellent dielectric characteristics. The present invention provides a dielectric characteristic modifier comprising a monomer compound represented by general formula 1 or a multimer compound represented by general formula 2, which has a structure wherein a phosphorus atom and a nitrogen atom are bonded to each other. Also provided is a compound for use in the modifier. The modifier can be added to thermosetting resins, such as epoxy resins and polyphenylene ether resins having ethylenically unsaturated bonds, as modifiers. Also provided is a thermosetting resin composition that comprises the modifier and a thermosetting resin. The thermosetting resin composition has a low dielectric loss tangent and can achieve excellent dielectric characteristics.