5940results about "Ester polymer adhesives" patented technology

The present invention provides a composite binder for a sulfide solid-state battery, a preparation method thereof and an application thereof, wherein the composite binder comprises a binder A, a binder B and a solvent, wherein the mass ratio of the binder A to the binder B is (1-10):(5-1), and the mass ratio of the total mass of the binder A and the binder B to the solvent is 1:(10-100). The present invention adopts a binder having a polar functional group and a low-polarity / non-polar binder for combination, thereby making the prepared composite binder have good compatibility with the sulfide solid electrolyte, that is, it does not affect the ionic conductivity of the sulfide solid electrolysis, and at the same time makes the sulfide solid electrolyte membrane have good mechanical properties and flexibility.

The invention relates to the technical field of battery materials, in particular to a diaphragm binder composition, diaphragm binder powder, a diaphragm and a battery. The separator binder composition comprises polymer particles A and polymer particles B, the glass transition temperature Tg of the polymer particles A is-10 DEG C or below, the glass transition temperature Tg of the polymer particles B is 60 DEG C or above, the average particle size D50 of the polymer particles A is 500 nm or above, and the average particle size D50 of the polymer particles B is 300 nm or below. The diaphragm binder composition provided by the invention not only can effectively bond a pole piece and a diaphragm, but also is helpful for maintaining the uniformity and stability of a coating on the surface of the diaphragm, ensures that the diaphragm has high air permeability and good wettability to an electrolyte, and is helpful for prolonging the cycle life of a battery.

The invention discloses a high-temperature-resistant antistatic protective film for a polaroid and a preparation method of the high-temperature-resistant antistatic protective film. The high-temperature-resistant antistatic protective film for the polaroid is characterized in that the high-temperature-resistant antistatic protective film for the polaroid is formed by compounding a PET (Polyethylene Terephthalate) base material film, an acrylic acid pressure-sensitive adhesive layer and a release film which are sequentially overlapped, the acrylic pressure-sensitive adhesive is formed by mixing a high-temperature-resistant acrylate polymer, a curing agent, an antistatic agent, a flatting agent and a solvent; the high-temperature-resistant acrylate polymer is prepared from an acrylate soft monomer, an acrylate hard monomer, an acrylate functional monomer, a heat-resistant monomer, polyhedral oligomeric silsesquioxane and an initiator through free radical polymerization in a solvent. The preparation method comprises the following steps: coating an acrylic acid pressure-sensitive adhesive on a PET (Polyethylene Terephthalate) base material film, heating and curing to form an acrylic acid pressure-sensitive adhesive layer, covering a release film, and curing to obtain the high-temperature-resistant antistatic protective film for the polaroid. The protective film provided by the invention has the characteristics of low stripping force, low climbing after high temperature, scratch resistance, good antistatic property and the like, and is suitable for being used as a surface protective film of a polaroid.

Provided in the present invention are a polyacrylic acid or polyacrylate water-based binder, and a preparation method therefor and the use thereof. The polyacrylic acid or polyacrylate water-based binder is a polymer obtained by polymerizing polymeric monomers, the polymeric monomers comprising a hard monomer, a soft monomer and a functional monomer. The polyacrylic acid or polyacrylate water-based binder provided by the present invention has relatively high binding power and relatively good flexibility and electrochemical stability, and has good application prospects in the field of negative electrode sheets of lithium-ion batteries.

The present application relates to the technical field of lithium battery materials and binders, and discloses an aqueous polymeric binder, a preparation method therefor and a use thereof. The aqueous polymeric binder is obtained by copolymerizing a polymerization unit comprising an acrylic monomer, an acrylate monomer, an oil-soluble monomer, a water-soluble monomer, and an amphiphilic water-soluble monomer in an aqueous solvent; and the mass percentages of the monomers are as follows: acrylic monomer: 5%-15%; acrylate monomer: 45%-60%; oil-soluble monomer: 10%-40%; water-soluble monomer: 5%-20%; and amphiphilic water-soluble monomer: 5%-10%. The aqueous polymeric binder of the present application is mainly used for bonding of an edge coating of a negative electrode sheet of a lithium-ion battery; on the basis of the specific copolymerization monomer components and proportions, the obtained binder has excellent PP base film bonding performance and electrolyte swelling resistance; in addition, the binder avoids material mixing with a negative electrode, and has good prospects of application.

The invention provides a diaphragm adhesive composition, a diaphragm and a lithium ion battery, the solid content of the diaphragm adhesive composition is 10-40wt%, and when the solid content of the diaphragm adhesive composition is diluted to 5wt%, the surface tension of a diluent is not less than 28mN / m; the diaphragm adhesive composition comprises polymer particles A and a polymer adhesive B, wherein the solid mass ratio of the polymer particles A to the polymer adhesive B is 100: (3-30); the particle size of the polymer particles A is 0.2-10 [mu] m, and the glass transition temperature of the polymer particles A is 30-90 DEG C; and the polymer adhesive B is a water-based emulsion type adhesive, the particle size of polymer particles contained in the polymer adhesive B is 0.1-1 mu m, and the glass transition temperature of the polymer adhesive B is-50-20 DEG C. The diaphragm adhesive composition disclosed by the invention is not easy to spread on a base material, can prevent an adhesive glue solution from being quickly diffused on the surface of a diaphragm, forms controllable, uniform-size and uniformly-distributed adhesive coating points on the surface of the base material, and has small influence on the air permeability of the diaphragm.

The invention provides a light conversion film composition. The light conversion film composition comprises the following components in percentage by weight: matrix resin, a light conversion agent and an auxiliary agent, the light conversion agent is a benzotriazole compound, and the auxiliary agent is an organic solvent. The structural general formula of the benzotriazole compound is as follows: # imgabs0 # R1 and R2 are respectively and independently selected from any one or more of H, C1-C20 alkyl and C1-C20 alkyl with at least one methylene substituted by a polyether chain segment, and R3 is independently a chain segment containing a carbon-carbon unsaturated double bond.

The invention discloses a preparation method and application of a single ion conductor composite binder. The binding agent is prepared by carrying out compound modification on a copolymer of butyl acrylate and 2-acrylamido-2-lithium methylpropanesulfonate and polyisobutene. The binder is mainly characterized in that firstly, the binder can be completely dissolved in a toluene non-polar solvent, and the problem that a traditional binder is incompatible with sulfide electrolyte is solved; and secondly, due to the unique molecular structure design, the adhesive has excellent adhesive property and ionic conductivity, and the interface impedance can be remarkably reduced. A butyl acrylate flexible chain segment provides elastic support, and a sulfonate group of 2-acrylamido-2-lithium methylpropanesulfonate and the surfaces of sulfide particles form strong chemical bonding, so that the binding force with electrolyte is enhanced. The binder is simple in preparation process, controllable in cost and suitable for large-scale production, and an important material solution is provided for promoting industrialization of sulfide all-solid-state batteries.

The invention relates to the technical field of adhesives, in particular to a high-temperature-resistant adhesive, a preparation method thereof and a high-temperature-resistant protective film. The invention provides a high-temperature-resistant adhesive. The high-temperature-resistant adhesive comprises acrylic resin, a cross-linking agent and a solvent, the dosage of the cross-linking agent is 1wt%-2wt% of the acrylic resin; the acrylic resin contains a structural unit as shown in the following formula I: # imgabs0 #; r is selected from alkylene with the carbon number of 1-3. The high-temperature-resistant monomer is introduced into a main body of the acrylic resin, and a boric acid group in the structure of the high-temperature-resistant monomer can be dehydrated under a high-temperature condition to form a boric acid ester structure and generate a cross-linking point, so that the cohesive strength is further improved, the adhesive is endowed with excellent high-temperature resistance, and the stripping force climbing of the adhesive at a high temperature is low.

Provided are: a window material and a light-transparent roof material which can autonomously change white turbidity in accordance with the temperature, and which have a simple structure and are easy to manufacture; and a vehicle, a ship, or an airplane, and a building comprising the window material and / or the light-transparent roof material. A window material or a light-transparent roof material according to the present invention comprises at least one light-transparent base material layer and at least one pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing, with respect to 100 parts by mass of a pressure-sensitive adhesive agent, 1-20 parts by mass of a thermosensitive noncrosslinked polymer and 1-100 parts by mass of thermosensitive crosslinked fine particles. The refractive index of the thermosensitive crosslinked fine particles is reduced as the temperature increases, and the reduction rate of the refractive index is larger in the vicinity of the melting temperature of the thermosensitive crosslinked fine particles than in a temperature range other than the vicinity of the melting point. The adhesive power of the pressure-sensitive adhesive composition is reduced as the temperature increases, and the reduction rate of the adhesive power is larger in the vicinity of the melting temperature of the thermosensitive non-crosslinked polymer than in the temperature range other than the vicinity of the melting point.

The invention discloses an acrylate conductive composite pressure-sensitive adhesive and a preparation method thereof. The acrylate conductive composite pressure-sensitive adhesive comprises a raw material A and a raw material B, wherein the raw material A comprises 5-15 parts of acrylate polymer; 0.10 to 1.00 parts of epoxy resin; 1.0 to 10.0 parts of aniline; 0.1 to 1.0 part of an initiator; 1-5 parts of conductive particles; and 0.010 to 0.100 part of an amine curing agent. The acrylate conductive composite pressure-sensitive adhesive disclosed by the invention has excellent conductivity and capacitance sensing performance, and shows excellent capacitance stability and relatively high sensitivity in a pressure cycle test; on the basis of containing the conductive filler, the pressure-sensitive adhesive still has better hardness, adhesion strength and tensile strength, and the conductive filler is well dispersed and combined in a pressure-sensitive adhesive system.

The invention provides a binder polymer, a positive pole piece, a battery and electric equipment, the monomer of the binder polymer comprises: a rigid monomer, the rigid monomer has at least one of the following substituted or unsubstituted groups: C6-C12 aryl, C3-C11 heteroaryl, C4-C8 cycloalkyl or C3-C7 heterocyclic group; a flexible monomer, wherein the flexible monomer has a substituted or unsubstituted C2-C30 alkenyl group; and a polar monomer having an ester group. The binder polymer disclosed by the invention has good adhesion, flexibility and dispersity, and is beneficial to ion and electron transmission, so that the positive pole piece has excellent mechanical property, processability and electrochemical performance.

The invention discloses a shielding protection adhesive tape for semiconductor integrated circuit packaging and a preparation method thereof, and relates to the technical field of semiconductor integrated circuit packaging. The shielding protective adhesive tape for packaging the semiconductor integrated circuit is prepared by taking polyimide as a base material and coating a coating, and the coating comprises the following raw materials in parts by weight: 3-5 parts of modified nano silicon dioxide, 30-40 parts of N, N-dimethylformamide, 1-3 parts of a curing agent and 1-3 parts of a curing agent. The invention discloses a high-temperature-resistant epoxy resin coating which is prepared from the following components in parts by weight: 25-30 parts of N, N-dimethylformamide, 25-30 parts of a modified acrylate copolymer, 17-26 parts of ethyl acetate, 12-15 parts of epoxy resin, 1-2 parts of a silane coupling agent KH-550, 0.5-1 part of an antioxidant 1010, 0.3-0.8 part of an ultraviolet absorbent UV-327, 1-2 parts of carboxyl-terminated nitrile rubber, 2-4 parts of decabromodiphenyl ether, 0.1-0.3 part of an organic siloxane defoaming agent, 0.2-0.5 part of an acrylate flatting agent and 10-11 parts of diaminodiphenyl sulfone. The adhesive tape contains the modified nano silicon dioxide, the modified acrylate copolymer and other components, so that the performance of the adhesive tape is guaranteed; pretreatment is meticulous, preparation steps are standard, and mass production is easy; a finished product can be effectively shielded, and the packaging yield and the product stability can be improved.

To provide: an adhesive composition which has excellent low viscosity when adjusted to a predetermined non-volatile content, and which, when used in an adhesive sheet, exhibits excellent releasability and is less likely to cause lifting or peeling from an adherend even after exposure to a high-temperature environment or a high-temperature and high-humidity environment; and an adhesive sheet employing the same.SOLUTION: An adhesive composition comprises an acrylic polymer (A) and a curing agent (B). The acrylic polymer (A) is a copolymer of a monomer mixture containing respective specific amounts of specific monomers (a1) and (a2). The amount of the curing agent (B) added is 0.01-5 pts.mass based on 100 pts.mass of the acrylic polymer (A). The gel fraction of an adhesive layer composed of the adhesive composition is 55-90%.SELECTED DRAWING: Figure 1

The invention provides tab glue, a negative plate and a lithium ion battery, the tab glue is an emulsion, the surface tension of the emulsion is 45-60 mN / m, and the viscosity of the emulsion is more than 2000 mPa.s. The tab glue is favorable for reducing the capacity loss of the lithium ion battery.

The present invention provides an electrically-conductive composite water-based binder as well as a preparation method therefor and the use thereof. The electrically-conductive composite water-based binder comprises in parts by weight: 90-100 parts of a polyacrylic acid or polyacrylate water-based binder and 0.1-10 parts of an electrically-conductive filler. By means of introducing the electrically-conductive filler into the binder, the electrically-conductive composite water-based binder for lithium ion batteries which has flexibility, low swelling, good binding force and high conductivity is prepared, so that the binder plays a better role in lithium ion batteries.

The purposes of the present invention is: to provide an adhesive composition which has excellent adhesive force and holding properties in addition to excellent low dielectric properties; to provide an adhesive tape which has an adhesive layer that contains the adhesive composition; to provide a resin molded body which is molded from a resin composition that comprises the adhesive composition; to provide a composite structure which comprises the adhesive tape; to provide an automobile member which comprises the resin molded body or the composite structure; and to provide a method for producing a resin molded body using the composite structure.　The present invention provides an adhesive composition which contains: an acrylic copolymer that has a constituent unit derived from a (meth)acrylic acid alkyl ester, a constituent unit derived from an olefin-based polymer that has a polymerizable unsaturated double bond at an end thereof, and a constituent unit derived from a polar functional group-containing monomer; and a styrene-based elastomer that contains at least one substance selected from the group consisting of a block copolymer which has a block derived from a styrene-based monomer and a block derived from a conjugated diene-based monomer, and a hydrogenated product of the block copolymer.

To provide an optical adhesive sheet suitable for balancing step-filling capability and joining reliability.SOLUTION: An adhesive sheet 10 includes a base polymer, a photopolymerizable polyfunctional compound, and a photopolymerization initiator. The adhesive sheet 10 has at least one followable step d of 50 μm or more in a predetermined step-following test, where the ratio of the followable step d to the thickness D of the adhesive sheet 10 is 0.4 or more and 0.8 or less. The loss tangent tanδ of the adhesive sheet 10 at 25°C is 1.2 or more in the frequency range of 1000-10000 Hz.SELECTED DRAWING: Figure 1

Provided is an agglutinant for pellicles that can reduce residues stuck onto an exposure original plate when a pellicle is peeled from the exposure original plate after being used in lithography, and also provided are a pellicle, an exposure original plate with a pellicle, a method for regenerating an exposure original plate, and a peeling residue reduction method.

The invention relates to the technical field of debondable adhesives, in particular to an electrically debondable adhesive and a preparation method thereof. The electrode material comprises an acrylate polymer, a conductive filler, a plasticizer, an antistatic agent, a curing agent, a modified electrode material and an auxiliary agent, the modified electrode material is prepared by modifying a basic electrode material through a modifier, is used for improving the electrolysis speed of the electrically debondable adhesive, and interacts with the acrylic polymer to improve the bonding performance. By introducing the modified electrode material, the adhesive can quickly respond and realize quick debonding after a specific voltage is applied; the cost and the difficulty of disassembling and replacing elements can be greatly reduced, meanwhile, damage to the elements is avoided, and the maintenance efficiency and the reliability of the electronic equipment are improved. The adhesive disclosed by the invention can still keep good adhesive performance and conductivity after being used for a long time, and the service life of a product is prolonged.

A method of manufacturing an adhesive member includes providing, for a substrate, a resin composition having a viscosity of about 5 cP to about 50 cP, as measured according to JISK2283 method, at about 25° C. The resin composition is exposed to a first light to form a preliminary adhesive member having a curing rate of about 80% to about 98%. The preliminary adhesive member is exposed to a second light having a light integral / dose that is more than that of the first light to form an adhesive member. The preliminary adhesive member may have a loss tangent (tan δ) of about 0.2 to about 0.6 and may have a glass transition temperature of about −70° C. to −30° C. Accordingly, the preliminary adhesive member and adhesive member formed by the method of manufacturing an adhesive member may exhibit increased reliability.

Provided is a medical adhesive agent. The adhesive agent comprises: a water-dispersible copolymer produced by the copolymerization of a monomer mixture comprising a (meth)acrylic acid alkyl ester, a carboxy-group-containing monomer, a nitrogen-atom-containing monomer, and a silane-based monomer; and an organic liquid component in which the number of hydroxyl groups per molecule is more than 1.

The invention discloses a polyurethane protective adhesive tape for aviation and a preparation method thereof, and relates to the technical field of adhesives. When the polyurethane protective adhesive tape for aviation is prepared, polyester glycol, an ultraviolet absorption monomer, 3-(4-pyridyl) pentane-1, 5-diol, 1, 4-butanediol and isophorone diisocyanate are polymerized to prepare polyurethane; the preparation method comprises the following steps: carrying out a reaction on polyurethane and 2-bromoethyl acrylate to prepare modified polyurethane; enabling the pretreated magnesium hydroxide to react with 3-epoxypropoxy-1, 1, 3, 3-tetramethyldisiloxane and ammonia water in sequence, so as to obtain modified magnesium hydroxide; the modified polyurethane and the modified magnesium hydroxide are mixed and then subjected to compression molding to prepare a polyurethane film; and coating a polyurethane film with the polyacrylate glue solution, and drying to obtain the polyurethane protective adhesive tape for aviation. The polyurethane protective adhesive tape for aviation prepared by the invention has excellent flame-retardant, anti-aging, antibacterial and self-repairing properties.

A multifunctional organosilicon compound is provided which has the general formula XSi([OSiR2]p-0-SiR2Y)a(R1)3-a— ln the formula, X is selected from H and ethylenically un saturated moieties; each Y independently comprises a functional moiety selected from alkoxysilyl moieties, acryloxy moieties, and epoxide moieties; each R is an independently selected hydrocarbyl group; each R1 is an independently selected hydrocarbyl group; subscript a is 1, 2, or 3; and each subscript b is independently 0, 1, or 2. A method of preparing the multifunctional organosilicon compound is also provided. The method comprises reacting (A) an organosilanol compound and (B) a silane compound having at least two hydrolysable groups. A functionalized siloxane compound prepared from the multifunctional organosilicon compound, a method of preparing the functionalized siloxane compound, and an adhesive comprising the functionalized siloxane compound are also provided.

The application belongs to the technical field of conductive glue, and particularly relates to a conductive glue, a preparation method and application thereof, wherein the conductive glue is made of the following raw materials in parts by weight: 40-60 parts of synthetic acrylic resin, 5-15 parts of epoxy resin, 25-45 parts of conductive filler, 5-15 parts of latent curing aid, 80-120 parts of diluent and 5-8 parts of auxiliary agent. By adding the latent curing aid, the application can reduce the potential possibility of the reaction of the acrylic resin and the epoxy resin at room temperature, thereby improving the storage effect of the conductive glue, improving the overall performance of the electronic product and meeting different application scenarios with different requirements. The preparation method directly mixes the raw materials such as the acrylic resin, the epoxy resin, the conductive filler, the auxiliary agent, the diluent and the latent curing aid uniformly in the preparation process without the need of separation and storage, thereby reducing the production cost, simplifying the use process of the user, improving the production efficiency of the conductive glue and the product quality.

The invention discloses a water-based acrylate composite adhesive emulsion, a water-based acrylate composite adhesive and a preparation method, and belongs to the technical field of acrylate composite adhesives. The waterborne acrylate composite adhesive emulsion is prepared from the following components in parts by weight: 450 to 520 parts of deionized water, 250 to 300 parts of a soft monomer, 119 to 215 parts of a hard monomer, 45 to 55 parts of polyurethane resin, 5.0 to 5.5 parts of a reactive emulsifier, 1 to 11 parts of a non-reactive emulsifier, 1.5 to 10.5 parts of a self-crosslinking monomer and 3.25 to 3.34 parts of an initiator. According to the invention, the non-reactive emulsifier and the reactive emulsifier are simultaneously used for emulsifying and modifying the polyurethane resin and the acrylate copolymer, so that the influence that the non-reactive emulsifier is easy to migrate to the surface of an adhesive film, so that the water resistance and the humidity and heat resistance of the composite adhesive become poor can be weakened; therefore, the moisture and heat resistance of the water-based acrylate composite adhesive can be improved.

To provide a (meth)acrylic graft copolymer which enables provision of a cured product having high adhesive strength and impact strength, an epoxy resin composition containing the (meth)acrylic graft copolymer, a cured product of the same, an adhesive, a molding material and a fiber-reinforced plastic.SOLUTION: An epoxy resin composition has a main chain polymer structure and a side chain polymer structure, wherein the side chain polymer structure contains at least one of a hydroxyl group and an alkoxy group, and a cyclic ether group. An epoxy resin composition contains the (meth)acrylic graft copolymer, an epoxy resin (B) and a curing agent (C).SELECTED DRAWING: None

The invention provides a flexible ionic polymer binder as well as a preparation method and application thereof, and belongs to the technical field of lithium ion batteries. The invention provides a flexible ionic polymer binder, which has a chemical structure as shown in a formula I. When the binder is used for a positive electrode of a lithium ion battery, a polyacrylic acid trialkyl amino ester anionic salt chain segment provides an active site, and chemical bonds or electrostatic interaction is generated between the binder and a positive electrode active material, so that the positive electrode active material is formed. The specific type of anions improves the interaction between the binder and the positive electrode active material, and improves the capacity and cycle performance of the battery. The result of the embodiment shows that the initial specific discharge capacity of a lithium ion battery assembled by a positive pole piece prepared from the flexible ionic polymer binder provided by the invention can reach 155.2 mAh / g, the initial specific discharge capacity can still be kept at 149.9 mAh / g after 800 cycles under the current density of 0.5 C, the capacity retention rate can reach 96.59%, and the lithium ion battery has good cycle performance.

The invention relates to the field of adhesives, and discloses a lightweight vibration and noise reduction structure bonding adhesive and a preparation method thereof.According to the adhesive, epoxy resin serves as a matrix, high-damping resin, rubber and filler are added, and the adhesive not only can provide strong structure bonding force, but also has excellent vibration and noise reduction performance. A low-temperature curing system is adopted, and the curing agent and the accelerant which are high in reactivity and stable in storage are used, so that the adhesive can be cured at the low temperature of 130 DEG C, energy is saved, and the curing efficiency is improved. The adhesive is suitable for the industries of automobiles, buildings and the like, can effectively solve the problems of vibration and noise reduction and insufficient bonding performance in the prior art, and has a wide application prospect.

The invention discloses an optical adhesive with dynamic bond exchange and gradient curing functions and a preparation method thereof, relates to an optical adhesive, and aims to solve the problems of interface failure and light transmission attenuation which are easy to occur in the existing optical adhesive. The invention starts from the following three points: 1, two-stage dynamic covalent cross-linking: 1, UV (ultraviolet) initiates acrylate polymerization to form a main network; part of unreacted epoxy groups are retained. 2, thermally activating dynamic boric acid ester bond exchange to realize network reconstruction and stress release; 2, a dual-wavelength gradient initiation system: a 365nm UV curing surface and a 405nm LED penetrate through a curing deep layer to avoid an uncured layer caused by oxygen inhibition; 3, a nano composite anti-reflection technology: mesoporous SiO (at) TiO core-shell nanoparticles (refractive index gradient matching) improve the light transmittance to gt; the content is 99.5%.