206results about "Carboxyl rubber coatings" patented technology

The present invention finds that a detackified natural rubber latex product can be provided by a combination of treatment with a hydrophilic group sealant, coating with a detackifying polymer, halogenation and the like. The present invention also finds that a detackified natural rubber latex product which causes no discoloration of a metallic product surface can be provided by coating it with a detackifying, carboxylated latex vulcanized without using sulfur. The present invention also finds that a detackified natural rubber latex product of controlled protein elution can be provided by chemically modifying protein present in the natural rubber latex with an anionic group, cationic group or the like.

A functional film comprises a substrate film and a functional layer formed on the substrate film. In the film, the functional layer is a cured layer of a coated layer, the coated layer contains a resin binder comprising a plurality of resins capable of phase separating from each other, a curable resin(s), and a hollow silica particle, and the hollow silica particles accumulate and gather near a side opposite to a side adjacent to the substrate film.

A coating composition includes a latex component and an agent for replacing all or part of the volatile coalescing solvent. The agent has the following formula:X(AO)nHwhereinX is a C6 to C16 group selected from the group of linear, chains, branched chains, aromatic rings, and combinations thereof,AO is an alkyleneoxy group selected from the group of ethyleneoxy groups, 1,2-propyleneoxy groups, 1,2-butyleneoxy groups, and combinations thereof, andn is from 3 to 14.The coating composition has a VOC content of less than or equal to 150 g / L. The agent for replacing the volatile coalescing solvent contributes little or nothing to a total VOC level in the coating composition. As such, the coating composition may be formulated to have a VOC content of less than or equal to 150 g / L, which meets or exceeds standards for VOC content in interior and exterior flat and non-flat paints for all sheen ranges, while providing equivalent or superior properties to those provided by volatile coalescing solvents.

A paint and an adhesive composition of the present invention containing (a) a vinyl ester resin or unsaturated polyester resin by 20 to 40 mass %, (b) a modifying agent by 0.1 to 50 mass %, (c) a vinyl monomer and / or (meth)acrylate monomer by 30 to 70 mass % (provided that the total of the components (a), (b) and (c) is 100 mass %) and (d) an initiator by 0.1 to 15 parts by mass to a total of 100 parts by mass of the components (a), (b) and (c).

The coating for substrates or materials, preferably elastomers or elastomers bonded to metal. The coating composition comprises (a) a functionalized hydrogenated copolymer comprising at least one repeat unit derived from a conjugated diene monomer; preferably including an unsaturated nitrile monomer; and a functional group containing monomer or graft linked compound or combinations thereof; (b) a curing component comprising at least one isocyanate group, or a carbodiimide compound, or an amino resin, or combinations thereof, and (c) a solvent. The coating compounds can be applied to an substrate either before or after the substrate has been vulcanized. The coatings can be cured at ambient temperatures.

The invention provides a method of preparing an aqueous dispersion of polymer encapsulated particulate material, the method comprising:providing a dispersion of the particulate material in a continuous aqueous phase, the dispersion comprising RAFT agent as a stabiliser for the particulate material; andpolymerising ethylenically unsaturated monomer under the control of the RAFT agent to form polymer at the surface of the dispersed particulate material, thereby providing the aqueous dispersion of polymer encapsulated particulate material;wherein polymerisation of the ethylenically unsaturated monomer comprises:(a) polymerising a monomer composition that includes ionisable ethylenically unsaturated monomer so as to form a base responsive water swellable RAFT polymer layer that encapsulates the particulate material; and(b) polymerising a monomer composition that includes non-ionisable ethylenically unsaturated monomer so as to form an extensible, water and base permeable RAFT polymer layer that encapsulates the base responsive water swellable RAFT polymer layer.

The invention provides core-shell hybrid latexes wherein the core comprises poly(acrylate)polymers and the shell comprises vegetable oil-based waterborne polyurethanes, and the latexes lack surfactants. Surfactant-free core-shell hybrid latexes with waterborne vegetable oil-based polyurethanes as the shell and poly(acrylate) as the core have been successfully prepared by seeded emulsion polymerization. The crosslink densities of the polymers obtained can be controlled by using modified vegetable oil polyols with various hydroxyl numbers or by adding a multifunctional vinyl crosslinker to the poly(acrylate) core.

The invention provides a rubber modified asphalt waterproof coating which comprises a component A and a component B, wherein the component A comprises modified emulsified asphalt and a rubber emulsion; the component B comprises inorganic salt and deionized water; the component A comprises the following components in parts by mass: 60-90 parts of the modified emulsified asphalt, and 10-40 parts of the rubber emulsion; and the component B comprises the following components in parts by mass: 9-14 parts of the inorganic salt and 86-91 parts of the deionized water. Through the development of the component A and the component B and application of a double-component spraying machine, the problem that cation emulsified asphalt is long in demulsification time is solved, full-pavement without seams and normal temperature cold construction of waterproof coatings are achieved, and in addition, the waterproof effect is greatly improved.

The invention provides self-hardening rubber asphalt paint which comprises the following components by weight percent: 50%-65% of asphalt, 3%-6% of cationic emulsifier, 3%-6% of nonionic emulsifier, 25%-35% of modified latex, 1%-3% of stabilizer and 5%-10% of filler. The invention further provides a preparation method of the self-hardening rubber asphalt paint, the rubber asphalt paint is modified through normal-temperature self-crosslinking emulsion, has the prominent characteristics of normal temperature spray coating, manual scrape-coating, instant shaping, perfect joint, high elastic force, zero joints and the like, and can fundamentally solve the technical difficulty of leakages at side angles, gaps and junction of irregular structures and the like, thereby thoroughly updating the traditional construction process and the method of waterproof material.

Polymer latex binders useful for preparing coating compositions containing low levels of, or which are substantially free of, volatile organic compounds (VOCs) such as volatile freeze-thaw additives are prepared by multistage emulsion polymerization, wherein one stage provides a copolymer having a relatively high glass transition temperature and containing an oxyalkylene-containing (meth)acrylate comonomer.

The invention provides a method for preparing and applying a coating waterproof material, and the coating waterproof material. The method comprises the following steps: with a standard that the coating waterproof material accounts for 100 parts by weight, 20-90 parts by weight of vulcanized-rubber-modified anionic emulsified asphalt, 10-70 parts by weight of latex rubber and 0.1-10 parts by weight of an additive are mixed to form the coating waterproof material with a pH value of 7-13.5; the mixed coating waterproof material is coated onto a part to be coated with an injection method, and a mixed agent of a hardening agent and pure water is coated onto the part to be coated with an injection method at the same time; and the coating waterproof material is instantly subjected to a binding reaction with the mixed agent, such that a waterproof coating is formed through coagulation at the coated part. With the method provided by the embodiment of the invention, one or more functions of an existing water-based rubber asphalt coating waterproof material can be improved.

The surface reflection is prevented by application of a black paint to an element such as a unit or parts forming an optical system, in particular an inner face of a camera lens tube portion and the end face portion of a lens, or the like. Application of the black paint to the element leads to the formation of a black coating film of from 0.35% to 0.7% that is an extremely low reflectance onto a surface of the element in a wide-ranging wavelength region from 380 nm to 780 nm, regardless of the material thereof.

The invention discloses a printing material of a printing film and a preparation method. An anti-static coating and a printing coating are successively arranged outward on the top surface and the bottom surface of a PET film. The paint formula of the anti-static coating is composed of the following raw materials in parts by weight: 90-110 parts of carboxyl modified aqueous styrene-butadiene latex, 1-10 parts of a polyaniline anti-static agent, 0.1 part of a flatting agent, 0.1 part of a defoamer and 90-105 parts of water. The paint formula of the printing coating is composed of the following raw materials in parts by weight: 30-50 parts of an acrylic acid modified polyurethane emulsion, 10-20 parts of a silica sol, 20 parts of water, 10 parts of ethanol, 0.5 part of a flatting agent and 0.5 part of a defoamer. The material disclosed by the invention is good in weather resistance and excellent in printing effect, and has good economical and social benefits in popularization and application.

The invention provides a method of preparing and constructing a rubber asphalt waterproof paint without a bulge defect. The method comprises the steps of removing laitance and sundries on the surface of a concrete base surface with a quality defect; aiming at the dried concrete base surface, taking the rubber asphalt waterproof paint as a component A, taking a curing agent as a component B, and separately spraying the component A to the concrete base surface; spraying the component A and the component B when the concrete base surface of the component A is sprayed, and adding a wetting agent and a coupling agent into rubber asphalt waterproof paint; aiming at humid concrete base surface or the concrete base surface with open water, taking the rubber asphalt waterproof paint as the component A, taking a curing agent as the component B, spreading a thin layer of base layer processing agent used for absorbing and storing moisture on the concrete base surface, and brushing until the base layer processing agent is uniform by either a brush or a roller; and simultaneously spraying the component A and the component B on the concrete base surface.

The invention relates to application of a flexible thermal conductive insulation adhesive on an LED (Light Emitting Diode) heat dissipation substrate, which comprises preparation of a flexible thermal conductive insulation adhesive and a flexible thermal conductive insulation adhesive film. The flexible thermal conductive insulation adhesive contains liquid epoxy resin, solid epoxy resin, a flexibilizer, a curing agent, a high thermal conductive inorganic filling material, an organic solvent, a coupling agent, a dispersing agent and a flatting agent. A preparation method of the flexible thermal conductive insulation adhesive film comprises the following steps of coating the flexible thermal conductive insulation adhesive on a release film through a coating machine, and roasting through a temperature control drying tunnel to prepare a flexible thermal conductive insulation adhesive layer for the LED heat dissipation substrate; and compounding the release film for covering on the adhesive surface, and rolling and forming to prepare the flexible thermal conductive insulation adhesive film for the LED heat dissipation substrate. The adhesive film disclosed by the invention is used for the LED heat dissipation substrate and has the characteristics of high heat dissipation, insulation, heat resistance, release intensity, flexible and the like.

The invention provides a waterproof composition and configuration and construction method thereof. The waterproof composition is an asphalt waterproof composition using liquid rubber, having high restoring force, cold resistance and adhesiveness. Based on 100 parts of neoprene latex by weight, 100 parts of neoprene latex, 160 to 240 parts of oil-extended styrene buadiene rubber, 160 to 240 parts of carboxylic styrene butadiene rubber, 90 to 1600 parts of emulsified asphalt and 2 to 100 parts of additive by weight are mixed so as to provide the waterproof composition with the pH value of 7 to 12.

A composite polymer is obtained by reacting (a) an elastomer having a carboxyl group with (b) metal oxide fine particles each having an epoxy ring-containing group on the particle surface. A thermally cured product of the composite polymer is a material favorable for forming a primer layer which has not only high transparency but also excellent adhesion to a hard coat layer and is excellent also in scratch resistance, heat resistance, weathering resistance, dyeing property, impact resistance and the like. An article such as an optical article whose primer layer comprises the thermally cured product of the composite polymer has high transparency and is excellent also in heat resistance.

The invention discloses water-resistance polyester powder coating. The powder coating is prepared from the following raw materials in parts by weight: 50-65 parts of pure polyester resin, 5-10 parts of fluorine-containing polyester resin, 3-10 parts of epoxy resin, 5-15 parts of organic silicon resin, 3-10 parts of carboxyl-terminated nitrile rubber, 1-5 parts of N,N,N',N'-tetrakis(2-hydroxyethyl)adipamide, 3-12 parts of tetrahydro-1,3,4,6-tetrakis(methoxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione, 1-5 parts of 2-phenyl-2-imidazoline, 1-5 parts of 2-methylimidazole, 2-5 parts of polyethylene, 3-10 parts of polyvinyl butyral, 10-25 parts of pigment and 2-10 parts of auxiliaries. The water-resistance polyester powder coating has good water resistance and good oil resistance, excellent acid and alkali corrosion resistance, can be used for outdoor coating, and has the advantages of good comprehensive performance and long service life.

The invention discloses a solvent-free nanometer epoxy anticorrosive paint and a preparation method thereof. The anticorrosive paint is prepared by uniformly mixing a component A and a component B according to a weight ratio of 2.5-1.5: 1, wherein the component B is a curing agent--the cashew nut shell oil modified Mannich amide epoxy resin curing agent MD 2008, and the component A is prepared by mixing, by mass, a modified epoxy resin, nanometer titanium dioxide dispersion liquid, a reactive diluent, a pigment, a filling material, a wetting dispersant, an adhesion promoter, a defoaming agent and a flatting agent and carrying out uniform stirring at a temperature of 100 to 105 DEG C. The paint provided by the invention can form a compact coating on the surface of a metal to prevent permeation of corrosive mediums like oxygen, water and other ions; the prepared solvent-free nanometer epoxy anticorrosive paint has good anticorrosion performance and coating performance, is applicable to the field of anticorrosion of oil storage tanks and metals like steel, can be cured at normal temperature and accords with requirements of heavy corrosion protection environments and environmental protection.

The present invention discloses a radiation coating for flexible substrates, preferably for elastomers or elastomers bonded to metals. The coating composition is formed by mixing component (a) and component (b), wherein component (a) includes an organic solution or aqueous dispersion of a polymer or copolymer containing a functional group, and a thermally conductive filler; Part (b) includes liquid curing components such as polyisocyanates, carbodiimides or amino resins. The coating compound can be applied to the substrate before or after the substrate is vulcanized. The coating cures at ambient temperatures and dissipates heat during long-term use at elevated temperatures.

The invention discloses weather-resistance paint special for a scaffold. The weather-resistance paint special for the scaffold comprises, by weight, 20-40 parts of epoxy resin, 15-30 parts of phenolic resin, 5-20 parts of acrylic resin, 3-15 parts of acidic nano-silicon sol, 10-15 parts of diphenyldimethoxysilane, 2-10 parts of a silane coupling agent KH560, 3-15 parts of polyhydroxy styrene resin, 4-10 parts of hexafluorobutyl methacrylate, 2-10 parts of carboxyl-terminated butadiene acrylonitrile rubber, 15-25 parts of compound stuffing, 15-30 parts of solvent, 2-8 parts of amino resin and 3-8 parts of auxiliaries. The weather-resistance paint special for the scaffold is good in corrosion resistance and excellent in water resistance and weathering resistance.

The invention provides a sprayed quick-setting waterproof rubber asphalt coating, and preparation and construction methods thereof. The sprayed quick-setting waterproof rubber asphalt coating comprises a component A and a component B, wherein the component A comprises anionic hard emulsified asphalt and a polymer latex, and the penetration degree of the anionic hard emulsified asphalt is 30 to 50;and the component B comprises a coagulant. Since the anionic hard emulsified asphalt is used in the component A, the prepared sprayed quick-setting waterproof rubber asphalt coating has the characteristics of high tensile strength, good heat resistance and low low-temperature flexibility, and is applicable to high-temperature construction environments and low-temperature environments.

The invention discloses low-temperature-resistant and heat-conducting insulating resin paint applicable to a superconducting insulating material as well as a preparation method and an application of the superconducting insulating material. The paint is prepared from raw materials as follows: epoxy resin, polyether epoxy resin, an epoxy curing agent, polyurethane resin, acrylic resin, carboxyl-terminated butadiene-acrylonitrile rubber and nano modified boron nitride accounting for 2%-6.5% of raw materials by mass, wherein the feed mass ratio of the epoxy resin, the polyurethane resin, the acrylic resin and the carboxyl-terminated butadiene-acrylonitrile rubber is (5.5-17):(2-7):(0.8-2.5):(0.2-2.5):1. The preparation method comprises the steps as follows: firstly, mixing the epoxy resin andnano modified boron nitride, adding the polyurethane resin for a reaction, adding the polyether epoxy resin, the carboxyl-terminated butadiene-acrylonitrile rubber, the epoxy curing agent and acrylicresin to prepare the resin paint. The invention also discloses the application of the resin paint to the superconducting insulating material. The insulating resin paint has excellent electrical performance, processability, high thermal conductivity and better mechanical performance at low temperature.

The present invention provides emulsion copolymers and coating compositions containing the same having improved room temperature and hot block resistance in coatings wherein the copolymers have a broad measured glass transition temperature and are the copolymerization product of a vinyl monomer composition A and a softer vinyl monomer composition B having a Hansch parameter of at least 3.2, and containing one or more vinyl monomer M, such that each of which vinyl monomer(s) M would when homopolymerized provide a homopolymer having a measured Tg of 20° C. or less, such as, for example, 2-ethylhexyl acrylate. In addition, the present invention provides methods for making the emulsion copolymers by a powerfeed process comprising feeding vinyl monomer composition A into a reactor from a feed vessel while feeding, simultaneously or after a delay, vinyl monomer composition B into the feed vessel while polymerizing the monomers in the reactor.

The discloses a high-performance thermosetting polyester powder coating which comprises the raw materials: pure polyester resin, fluorinated polyester resin, epoxy resin, terminal carboxyl nitrile rubber, N,N,N,N'-tetra(2-ethoxyl) adipamide, tetramethoxyl methyl glycoluril, triglycidyl isocyanurate, amino resin, phenyl-2-imidazoline, 2-methylimidazole, chitosan, sodium lignin sulfonate, starch, polyethylene, polyvinyl butyral, nano titanium dioxide, aluminium oxide, zinc borate, mica iron oxide, montmorillonite, nanosilver, activated carbon powder, lanthanum oxide and auxiliaries. The high-performance thermosetting polyester powder coating disclosed by the invention is good in water resistance, oil resistance and heat resistance and excellent in weather resistance, acid and alkaline corrosion resistance and pollution resistance, and is good in comprehensive performance and long in service life if being used as an outdoor coating.

The invention relates to a coating and a preparation process thereof, in particular to a waterproof coating for roads and bridges and a production process for the waterproof coating. By high polymer material formula modification technology and processing technology, an asphalt-based material, a rubber modified aid and a function modifier are subjected to a blend modification process, and are emulsified into an asphalt-based high polymer composite waterproof coating which is chemically reacted with concrete to firmly bond to the concrete through a special process. The product is a water-based material and environment-friendly; and because the asphalt in the coating can be chemically reacted with the concrete for bonding, water leakage is avoided, the use safety of engineering is improved, the service life of the engineering is prolonged, and a large quantity of engineering reconstruction and engineering maintenance resources are saved.

The present invention relates to a coating, and particularly relates to a coating for protecting a hand mould, and a preparation method and an application thereof. The coating is prepared by: firstly, carrying out a reaction of novolac epoxy vinyl ester resins, carboxyl-terminated liquid nitrile rubber and polyphenylene sulfide to form a reactant, taking the reactant as a base resin, then adding a composite modifier to obtain a modified resin, and finally, adding a curing agent for curing, and obtaining the coating. The coating provided by the invention has excellent corrosion resistance, medium permeability resistance, thermal alteration resistance and temperature resistance, and has super adhesive force of up to 16 MPa with metal matrixes. Because of high corrosion resistance, temperature resistance and thermal shock resistance of the coating, the service life of the hand mould is prolonged from about 2 months of the conventional time to more than 5 months.

A type of water-based paint for rubber products principally contains a type of water-based rubber latex containing a type of vulcanizable rubber acting as a dispersoid; an inorganic pigment and / or an organic pigment; and at least one selected from the group consisting of a vulcanizing agent, a vulcanizing accelerator, and a vulcanizing aid. The type of water-based paint contains no organic solvent, has substantially the same workability and coating properties as those of known paints when the type of paint is applied onto a rubber product, also has high adhesion to rubber products, and is ecologically friendly. The type of paint can be prevented from being transferred to a die during vulcanization.