54 results about "Methacrylic monomers" patented technology

A photocurable composition includes a (meth)acrylic monomer component and a photopolymerization initiator, wherein an adhesive force of a cured product is less than or equal to 1.5 N, and a rupture elongation of the cured product is greater than or equal to 20%.

To achieve an anaerobic adhesive composition capable of suppressing occurrence of coating failure during coating. The anaerobic adhesive composition of the present invention includes a (meth)acrylic monomer, an organic peroxide, a curing accelerator, and an isoparaffin wax.

The subject of this disclosure is to provide an electrophotographic photosensitive material and an electrophotographic image forming apparatus that provide sufficient image quality and durability even in positively charged image forming apparatuses. The electrophotographic photosensitive material is used in an image forming apparatus having positively charged units. The electrophotographic photosensitive material has a photosensitive layer and a protective layer. The protective layer is a cured film containing metal oxide particles and formed from a polymeric compound, and the volume resistivity of the protective layer is 10⁻⁶. ９ ~10 15 Within the range of Ω·cm, the above-mentioned polymeric compound is any one of acrylic monomers or methacrylic monomers or a mixture thereof, and the hydroxyl value of the above-mentioned polymeric compound is in the range of 10 to 200 mg KOH / g.

A separator for a rechargeable lithium battery includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a binder, the binder including a copolymer, the copolymer including: a first structural unit including a unit derived from an aromatic unsaturated monomer; a second structural unit derived from a (meth) acrylic monomer containing an alkyl group having 4 or more carbon atoms in the main chain of the ester moiety; and the third structural unit is derived from a sulfonic acid group-containing monomer. The first structural unit is included in an amount in a range of about 5 mol% to about 80 mol%, the second structural unit is included in an amount in a range of about 10 mol% to about 40 mol%, and the third structural unit is included in an amount in a range of about 5 mol% to about 80 mol%, based on 100 mol% of the copolymer.

5 to 35% by weight of a structural monomer unit of a (meth)acrylic acid monomer, 35 to 65% by weight of a structural monomer unit of a C 1-8 alkyl (meth)acrylate monomer, and more than 10 to 30% by weight of a structure (II): [Chemical Formula 1] JPEG2026521909000033.jpg28170 (wherein R 1 is selected from linear saturated C 12-26 alkyl groups, R 2 is selected from hydrogen and methyl groups, and n is 10 to 30) of a structural monomer unit of a special associative monomer, 0.01 to 2% by weight of a structural unit of a polyvalent ethylenically unsaturated monomer, and [[ID=1~5]] a gradient polymer containing <0.05% by weight of a structural monomer unit of a sulfonated monomer and <0.02% by weight of a structure (II):[[ID=[]] 【化2】 [[ID=[]]JPEG2026521909000034.jpg36170 (wherein each R 3 is selected from -H and -CH3, R 4 / / 这里的“R 4 は、-H及び-C 1-4 アルキル基から選択され”,推测原文可能有误,这里按推测修正为“is selected from -H and -C<000000]]alkyl groups”is selected from -H and -C 1-4 alkyl groups, R 5 is selected from -C 1-4 alkyl groups, a is 0 to 50, b is 0 to 20, c is 0 to 50, a + c is 1 to 100, and d is 1 to 4) of a monomer having a structural unit, and a gradient polymer having a gradient polymer form is provided.

The present invention relates to a separator for an electrochemical device, the separator comprising a coating layer that includes, as a binder, a copolymer comprising i) repeating units derived from a (meth)acrylic acid monomer, a (meth)acrylic acid salt monomer, or both monomers, ii) a repeating unit derived from an acrylic monomer having an amide group, and iii) repeating units derived from a silane-based monomer, a monomer having a silanol group, or both monomers, wherein the copolymer may exhibit excellent adhesion to inorganic particles due to including, in particular, iii) the repeating units derived from the silane-based monomer, the monomer having a silanol group, or both monomers, and thus the separator for an electrochemical device and including the binder exhibits excellent adhesion to an electrode and has a low thermal shrinkage ratio.

A multilayer film includes pluralities of first layers and polymeric second layers arranged along a thickness direction of the multilayer film. The first and second layers having different compositions. At least one layer of the multilayer film includes at least one polymer and metal oxide nanoparticles dispersed in the at least one polymer. The at least one polymer includes a first polymer including (meth)acrylic acid monomer units. The metal oxide nanoparticles are surface modified with a carboxylic acid silane surface modifying agent.

The application discloses a two-component acrylate adhesive, a preparation method and application thereof. The two-component acrylate adhesive comprises: component A, which comprises an acrylate polymer (a) dispersed in a solvent; and component B, which comprises a partially blocked isocyanate curing agent (b), which is a reactant of an isocyanate trimer and a ketoxime, wherein the blocking ratio of isocyanate groups is 35% to 65%; wherein the acrylate copolymer (a) is a copolymer comprising units derived from a (meth) acrylic acid monomer, units derived from a (meth) acrylic aryl ester monomer, units derived from a (meth) acrylic acid ester monomer containing a hydroxyl group, units derived from a (meth) acrylic alkyl ester monomer and units derived from a free radical polymerizable hindered amine light stabilizer. The two-component acrylate adhesive can significantly improve the high-temperature yellowing resistance, secondary construction performance and stability under high-temperature and high-humidity environments.

The present disclosure relates to a separator for an electrochemical device, the separator having a coating layer including a non-crosslinked copolymer as a binder, the copolymer including i) a repeating unit derived from an acrylic monomer having a hydroxyl group, ii) a repeating unit derived from a (meth)acrylic monomer, a (meth)acrylic salt monomer, or both, and iii) a repeating unit derived from an acrylic monomer having an amide group. Since the non-crosslinked copolymer includes i) a repeating unit derived from an acrylic monomer having a hydroxyl group and ii) a repeating unit derived from a (meth)acrylic monomer, a (meth)acrylic salt monomer, or both, in a molar ratio ranging from 1:0.1 to 1:1, the separator exhibits improved thermal shrinkage not only in a dry state but also in a wet state.

The present invention relates to a separator for an electrochemical device, the separator comprising a coating layer including a non-crosslinked copolymer as a binder, wherein the non-crosslinked copolymer includes i) repeating units derived from an acrylic monomer having a hydroxyl group, ii) repeating units derived from a (meth)acrylic acid monomer, a (meth)acrylate monomer, or both monomers, and iii) repeating units derived from an acrylic monomer having an amide group. The copolymer includes i) repeating units derived from an acrylic monomer having a hydroxyl group and ii) repeating units derived from a (meth)acrylic acid monomer, a (meth)acrylate monomer, or both monomers in a molar ratio of 1: 0.1-1, thereby improving a heat shrinkage rate in both dry and wet states.

The invention discloses a protective film and adhesive composition. The adhesive composition includes 100 parts by weight of a polymer resin, 3 to 15 parts by weight of a curing agent, and 0.2 to 3 parts by weight of an accelerator. The monomers for synthesizing the polymer resin comprise a first monomer and a second monomer, the first monomer is the monomer with the highest carbon number in the monomers for synthesizing the polymer resin, the second monomer is the monomer with the second highest carbon number in the monomers for synthesizing the polymer resin, and the mole number ratio of the second monomer to the first monomer is 0.15-6. Monomers for synthesizing the polymer resin comprise an acrylic monomer and a methacrylic acid monomer, and the carbon number of the acrylic monomer is higher than that of the methacrylic acid monomer. When the protective film is attached to a base material, the protective film has good attaching smoothness, and no adhesive residue is generated after the protective film is torn off.

A method for preventing metal corrosion in water systems is provided, which minimizes the use of phosphorus compounds or metal salt compounds that contribute to eutrophication or water toxicity, thus reducing their impact on the aquatic environment, and is applicable to a wide range of water qualities. This invention provides a method for preventing metal corrosion in water systems using: a copolymer of (meth)acrylic acid monomer and a sulfonic acid-containing monomer, and an organic acid compound with an organic acid corrosion resistance index of 4 or higher.

The application discloses a kind of water-based acrylic polyurethane paint and preparation method thereof, belong to water-based paint preparation technical field, the water-based acrylic polyurethane paint includes A component and B component, the A component includes modified hydroxyl acrylic resin aqueous dispersion, auxiliary agent and deionized water, the B component includes aliphatic isocyanate and solvent B.The methyl methacrylate monomer of the application is functionally modified, and the histidinol containing imidazole group and hydroxymethyl is connected into the methyl methacrylate structure containing carbon-carbon double bond through amide bond, to form new functional monomer;The monomer is copolymerized into the main chain of acrylic resin by double bond, so that the modified resin side chain has imidazole group, hydroxymethyl group.Relying on weak base catalysis and metal coordination effect of imidazole group, the adhesion and crosslinking density of paint film can be improved, and it is suitable for the protection and decoration of various metal, non-metal substrate.

An adhesive protective film for polyimide-based optical devices containing polyimide ash, an optical member, and an optical display apparatus including the same are disclosed. The adhesive protective film includes a cured product of a composition comprising: a (meth)acrylic copolymer; a curing agent; a (meth)acrylic oligomer; and an aromatic group-containing mono- or higher functional (meth)acrylic monomer, wherein the adhesive protective film has a storage modulus of 0.1 MPa or less at −20° C., a peel strength of 350 gf / inch or more at 60° C. and 93% RH (relative humidity) with respect to a polyimide-based optical device containing a polyimide ash, and a creep of 40% or less at 60° C.

Disclosed is a composition for forming a coating layer of a separator for an electrochemical device, the composition comprising a polymer binder and inorganic particles, wherein the polymer binder includes a copolymer including i) a (meth)acrylic acid monomer, a (meth)acrylic acid salt monomer, or a repeating unit derived from these two monomers, and ii) a repeating unit derived from an acrylic monomer having an amide group, the copolymer has a weight average molecular weight of 10,000 to 500,000, the inorganic particles include an aluminum hydroxide oxide, and the inorganic particles have an average particle diameter D50 of 0.33 to 1.5 μm.

To provide a decorative sheet excellent in light resistance even when a surface protective layer containing a biomass-derived component is formed, and a transfer film.SOLUTION: A decorative sheet comprising at least a transparent resin layer and a surface-protecting layer, wherein the surface-protecting layer contains a cross-linked curable resin as a main component, an ultraviolet absorber, and a light stabilizer, the cross-linked curable resin contains at least one biomass-derived component and at least one (meth) acrylic monomer, and the ultraviolet absorber contains at least two ultraviolet absorbers having a benzotriazole skeleton.SELECTED DRAWING: Figure 1

To provide a pressure-sensitive adhesive composition which has excellent adhesive strength to low-polarity adherends, heat-resistant adhesive strength, and heat-resistant retention, and is excellent in transparency and coating film appearance during processing. [Solution] An adhesive composition comprising an acrylic copolymer (A) having a glass transition temperature of 0°C or lower and a weight average molecular weight of 400,000 to 1,500,000, an acrylic copolymer (B) having a glass transition temperature of 30°C or higher and a weight average molecular weight of 5,000 to 200,000, and a curing agent (C), wherein the copolymer (A) is a copolymer of a monomer mixture containing 0.5% by mass or more and 10% by mass or less of a nitrogen-containing monomer (a1) based on 100% by mass of the monomer mixture, and the copolymer (B) is a copolymer of a monomer mixture containing a (meth)acrylic monomer (b1) having a glass transition temperature of 80°C or higher and a (meth)acrylic monomer (b2) having a carboxy group, and the content of the copolymer (B) relative to 100 parts by mass of the copolymer (A) is 5 parts by mass or more and 50 parts by mass or less.

This invention provides a pigment dispersion with good storage stability, using a halogen-free pigment as a coloring agent, as an alternative to CI Pigment Green 7, a representative green pigment. [Solution] A pigment dispersion containing a first pigment, a second pigment, a first dispersant for dispersing the first pigment, a second dispersant for dispersing the second pigment, and water. The first pigment is a pigment that does not have halogen elements as substituents, and is at least one selected from the group consisting of phthalocyanine pigments and cyanide pigments having an anthraquinone skeleton. The second pigment is a pigment that does not have halogen elements as substituents, and is at least one selected from the group consisting of a yellow pigment having a monoazo skeleton, a yellow pigment having a disazo skeleton, a yellow pigment having a benzimidazolon skeleton, and a yellow pigment having an isoindoline skeleton. The first dispersant and the second dispersant are copolymers having units derived from styrene monomers and units derived from (meth)acrylic acid monomers.

To provide a polymer having a low viscosity even if having a high molecular weight, a resin composition for coating containing the polymer, and a film using the resin composition for coating.SOLUTION: A polymer having a structural unit derived from a styrenic monomer (A), a structural unit derived from a methacrylic monomer (B), and a structure derived from a chain transfer agent (C) represented by the following general formula (1): Wherein R ' is hydrogen, halogen, - OC (= O) R ", - C (= O) NH2, - CN, - C (= O) OR ", or aryl, and Y is - SR ", halogen, - SO2R ", - P (= O) (OR ") 2, - SnR " 3, - SiR " 3, or - C (= O) OR ". Each R " independently represents an alkyl group, a cycloalkyl group, an aryl group, or a heterocyclic group. ) SELECTED DRAWING: None

The present disclosure relates to an anode slurry composition for secondary batteries, comprising an anode active material; and a binder including a copolymer of (meth)acrylic acid monomer, acrylonitrile-based monomer, and (meth)acrylamide monomer, wherein a value obtained by dividing an absolute value of a zeta potential of the binder by an oxygen content per specific surface area of the anode active material is in a range from 0.6×10−5 mV·m2 / g to 2.0×10−5 mV·m2 / g.

The objective is to provide an active energy ray curable overprint varnish that offers excellent misting properties and can provide a coating layer with higher gloss. [Solution] The reaction components include at least an acid-modified rosin, a monobasic acid having a cyclic structure, and a polyol having three or more hydroxyl groups in one molecule, and a polyester with an acid value of more than 10 mg KOH / g, A photopolymerization initiator, a (meth)acrylic monomer, An active energy ray curing overprint varnish and printed material characterized by containing 3 to 15% by mass of at least one extender pigment selected from the group consisting of calcium carbonate, silica, and magnesium carbonate, relative to the non-volatile components of the varnish.

The invention belongs to the technical field of high-molecular polymer water reducing agents, and particularly relates to a mud-resistant polycarboxylic acid high-performance water reducing agent and a preparation method thereof. The preparation method comprises the following steps: adding D4H and a polyether macromonomer into an organic solvent according to a molar ratio of (1-1.5): 1, mixing and dissolving, then adding an organic tin catalyst, heating and stirring to react, and after the reaction is completed, evaporating to remove the organic solvent and unreacted raw materials under reduced pressure to obtain an anti-mud functional monomer; the preparation method comprises the following steps: adding a (methyl) acrylic acid hydroxyalkyl ester monomer, an anti-mud functional monomer and a chain transfer agent into deionized water, mixing and dissolving, then heating to 40-60 DEG C, dropwise adding a redox initiator and the (methyl) acrylic acid monomer to initiate a copolymerization reaction, and adding alkali for neutralization after the reaction is completed, thereby obtaining the anti-mud polycarboxylic acid high-performance water reducing agent. The obtained water reducing agent has significantly improved water reducing performance and mud resistance.

The aim of the invention is to improve the cleaning performance and / or anti-greying performance of detergents when washing textiles. This is substantially achieved by the use of copolymers obtainable by i) free-radical polymerization of cyclic ketene acetals with a (meth)acrylic acid monomer having a protecting group, and ii) subsequent removal of said protecting group.

Provided is a gradient polymer comprising: 5% to 35% by weight of structural units of a (meth) acrylic monomer; 35 wt% to 65 wt% of a structural unit of a C1-8 alkyl (meth) acrylate monomer; gt; 10% to 30% by weight of structural units of a dedicated associative monomer having structure (I) wherein R1 is selected from a linear saturated C12-26 alkyl group; r2 is selected from hydrogen and a methyl group, and n is from 10 to 30; 0.01 wt% to 2 wt% of a structural unit of a polyethylenically unsaturated monomer; wherein the gradient polymer comprises lt; 0.05% by weight of structural units of sulfonated monomers; wherein the gradient polymer comprises lt; 0.02% by weight of a structural unit (II) of a monomer having the structure (II) wherein R3 is selected from-H and-CH3; wherein R4 is selected from-H and a-C1-4 alkyl group; wherein R5 is selected from a-C1-4 alkyl group; wherein a is 0 to 50; wherein b is 0 to 20; wherein c is 0 to 50; wherein a + c is 1 to 100, and wherein d is 1 to 4; and wherein the gradient polymer has a gradient polymer morphology.

An optical member, including an adhesive layer, and a transmittance control layer and a base film sequentially on an upper surface of the adhesive layer, wherein the transmittance control layer includes a (meth)acrylic copolymer and a dye mixture, the dye mixture includes a first dye having a maximum absorption wavelength of 400 nm to 440 nm, a second dye having a maximum absorption wavelength of 480 nm to 520 nm, a third dye having a maximum absorption wavelength of 570 nm to 610 nm, and a fourth dye having a maximum absorption wavelength of 650 nm to 700 nm, and the (meth)acrylic copolymer is a copolymer of a monomer mixture including 50 mol % to 90 mol % of an alkyl group-containing (meth)acrylic monomer and 10 mol % to 50 mol % of an aromatic group-containing (meth)acrylic monomer, all mol % being based on 100 mol % of the monomer mixture.

This description provides an adhesive composition. The adhesive composition contains (A) multi-stage latex polymer particles, (B) a linear diamine base, and (C) an ethoxylated surfactant. The (A) multi-stage latex polymer particles include (i) a first-stage polymer containing acrylic acid monomer and a first vinyl monomer, and (ii) a second-stage polymer containing methacrylic acid monomer and a second vinyl monomer, provided that the second vinyl monomer is different from the methacrylic acid monomer. The first-stage polymer is bonded to the second-stage polymer.

The application discloses a thermosetting fluorescent photosensitive resin for DLP-3D printing and a preparation method and application thereof. The preparation method provided by the application is that epoxy resin is used as a prepolymer, combined with AIE fluorescent dye molecules with groups of -COOH, -OH, -SH or -NH2 through a condensation reaction, and then copolymerized with acrylic and methacrylic monomers; and then a diluent and a photoinitiator are added to prepare a novel thermosetting photosensitive resin which has fluorescence after curing. The photosensitive resin has small odor, fast curing rate and high precision of printed parts; and the parts cured under 405nm ultraviolet light can emit strong blue fluorescence under excitation of 365nm ultraviolet light.

The cleaning and / or anti-graying performance of detergents when washing textiles should be improved. This was achieved primarily through the use of copolymers, obtainable by radical polymerization of cyclic ketene acetals with a protecting group-protected (meth)acrylic acid monomer and subsequent removal of the protecting group.

A filament for an additive manufacturing application or a winding application. The filament including fibers embedded in a reactive matrix including a reactive blend of: a reactive thermoplastic matrix with a glycidyl methacrylate monomer and / or with a methacrylic acid monomer. The filament further including a sheath layer wrapping the matrix, the sheath layer being made of a thermoplastic material. A use of the filament for manufacturing an end product by an additive manufacturing process or by a winding technique. A method for manufacturing such a filament.

To provide a decorative sheet excellent in light resistance even when a surface protective layer containing a biomass-derived component is formed, and a transfer film.SOLUTION: A decorative sheet comprising at least a transparent resin layer and a surface-protecting layer, wherein the surface-protecting layer contains a cross-linked curable resin as a main component, an ultraviolet absorber, and a light stabilizer, the cross-linked curable resin contains at least one biomass-derived component and at least one (meth) acrylic monomer, the decorative sheet contains an ultraviolet absorber having a triazine skeleton as the ultraviolet absorber, and the decorative sheet contains a reactive light stabilizer as the light stabilizer.SELECTED DRAWING: Figure 1