330results about "Natural rubber coatings" patented technology

The invention relates to a composite emulsified asphalt waterproof coating and a preparation method thereof. The composite emulsified asphalt waterproof coating is prepared from the following raw materials in parts by weight: 150-220 parts of emulsified asphalt, 50-105 parts of a polymeric emulsion, 70-130 parts of inorganic powder, 0.5-2 parts of a stabilizer, 6-10 parts of a dispersant, 2-5 parts of a wetting agent, 1-3 parts of a thickener I, 1-3 parts of a thickener II, 2-7 parts of a defoaming agent and 15-40 parts of water. The invention further relates to a preparation method of the composite emulsified asphalt waterproof coating. The viscosity, strength, application property, solid content and storage stability of the emulsified asphalt waterproof coating are remarkably improved, and the cost is lowered to a great extent.

The invention relates to a waterproof and moisture-permeable coating agent composition, wherein, a certain amount of microporous lignocellulose fine powder is added into the coating agent with waterproof function, so that the coating agent has moisture permeable performance. The waterproof and moisture-permeable coating agent composition which is used as the coating agent for non-woven fabric, knitted fabric or woven fabric can be made into coated fabric and synthetic leather with waterproof and moisture permeable performances. Compared with the prior at, the invention has the advantages that: 1. the raw material is easy to be added, the process is available with high adaptability, no need to add new equipment; 2. on the premise that the waterproof performance is not decreased, the amount of moisture permeated is increased obviously and the anti-adhesion is improved; 3. the coated fabric and superfine fiber and artificial cover synthetic leather made by the invention has the advantages of fine moisture permeability, high resistance to water pressure and that the physical performance does not decrease.

The present invention provides a rubber asphalt waterproof coating material, and belongs to the technical field of coating materials. The coating material is prepared from the following raw materials, by weight, 20-35 parts of a natural rubber, 10-15 parts of a thermoplastic styrene-butadiene rubber, 5-10 parts of acrylic resin, 3-5 parts of ethylene glycol ethyl ether, 20-30 parts of asphalt, 5-10 parts of chlorinated polyethylene, 1-2 parts of silicon carbide crystal whiskers, 3-6 parts of talc powder, 2-4 parts of diatomite , 2-4 parts of stearic acid, 3-8 parts of polyacrylamide, 6-9 parts of an ethylene-vinyl acetate copolymer, 3-5 parts of a plasticizer, 1-2 parts of a defoaming agent, 8-15 parts of a pigment, 2-3 parts of a surfactant, and 40-50 parts of water. The waterproof coating material provided by the embodiments still has good watertightness and good mechanical property after high temperature and high humidity destruction.

The present invention is directed to antistatic elastomeric articles and methods of making the same. The articles can be single layered or multilayered. The single layered articles possess desirable antistatic properties and desirable properties of comfort and feel. The multilayered articles have an outermost layer / surface that possesses desirable antistatic properties and an innermost layer / surface that exhibits desirable properties of comfort and feel. In preferred embodiments, the elastomeric articles are made form a nitrile / natural rubber blend. Articles of the present invention have antistatic properties measured as having a surface resistivity below about 1014 Ω / sq and a static decay time of less than about 60 seconds.

The invention discloses a high-permeability liquid rubber spray coating, and relates to the technical field of spray coatings. The high-permeability liquid rubber spray coating comprises a component A and a component B, wherein the component A is anionic liquid rubber asphalt emulsion; the component B is a coagulant solution; the component A has the solid content of liquid rubber asphalt emulsion of 50-75 weight percent, and comprises the following components in percentage by mass: 1 to 35 percent of rubber emulsion, 10 to 50 percent of asphalt emulsion, 0.01 to 2 percent of anionic dispersing agent, 0.01 to 2 percent of anionic surfactant, 0.1 to 10 percent of fatty alcohol-polyoxyethylene ether, 0.1 to 10 percent of alkali resistant wetting agent OEP-70 and 0.1 to 10 percent of alkali resistant wetting agent AEP; and the component B is an aqueous solution at the concentration of 3-18 percent, which is prepared by mixing calcium chloride and composite aluminum-iron polymer in percentage by mass. The wetting agents are added into the spray coating, and the coating has high permeability and wider application range.

The invention relates to a spraying quick-setting rubber asphalt waterproof coating material. A special technology is adopted for preparation of the spraying quick-setting rubber asphalt waterproof coating material. The spraying quick-setting rubber asphalt waterproof coating material is a water-based spraying paint prepared according to a ratio, and a preparation method of the spraying quick-setting rubber asphalt waterproof coating material comprises following steps: a liquid rubber asphalt latex emulsion is prepared by mixing superfine, suspended and micro-emulsion modified emulsified asphalt with high-molecular polymer rubber latex; and the liquid rubber asphalt latex emulsion is mixed with a coagulant. Cold spraying construction is adopted for preparation of the spraying quick-setting rubber asphalt waterproof coating material; elastic coating film elongation is more than 1000%; restoration ratio is more than 95%. The spraying quick-setting rubber asphalt waterproof coating material possesses ultraviolet resistance, high construction efficiency, high bonding strength, excellent high-temperature resistance, excellent low temperature flexibility, and better quick setting effect; and is capable of forming films in 3 seconds. The spraying quick-setting rubber asphalt waterproof coating material is water based; is friendly to the environment; possesses no toxicity, and excellent endurance; is quick and convenient for construction; and is a novel environmental friendly waterproof paint with a wide application range. The spraying quick-setting rubber asphalt waterproof coating material is mainly used for various waterproof and anticorrosion projects. The spraying quick-setting rubber asphalt waterproof coating material is used for individual construction of waterproof projects, for composite construction of waterproof projects together with waterproof roll, and for individual construction of anticorrosion projects.

A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and / or succinic diacids and / or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC.

An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or C1-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

The invention relates to a non-curing rubber asphalt waterproof paint. The technical proposal adopted is that: the non-curing rubber asphalt waterproof paint comprises the following raw materials by weight: 45%-60% of asphalt, 10%-25% of rubber, 5%-15% of a dispersing agent, 5%-10% of a tackifier and 5%-20% of filler. The preparation method is as follows: proportionally taking the raw materials, heating the asphalt to 140-160DEG C; adding the dispersing agent and the tackifier to the asphalt, stirring for about 30 minutes; adding the rubber for mixing; adding the filler, mixing evenly, and discharging. The non-curing rubber asphalt waterproof paint does not cure, and is low temperature resistant, does not flow at high temperature, and good in waterproof performance.

The present invention generally relates to vulcanization compositions used to vulcanize elastomeric articles, where the vulcanization compositions have reduced allergenic potential as compared to elastomeric articles formed using vulcanization compositions having non-fugitive accelerators. The present invention also relates to elastomeric articles formed using the vulcanization compositions. The invention further relates to methods for making a reduced-allergenicity vulcanization composition, and to methods for using the vulcanization compositions to vulcanize elastomeric articles.

The invention relates to a high-temperature resistant spray fast-setting rubber asphalt waterproof coating which is a high-temperature resistant water-based spray coating prepared proportionally by adding a vulcanizing agent and a composite reinforcing agent into liquid rubber asphalt mastic emulsion prepared from modified emulsified asphalt and high-molecular polymer rubber latex and then mixing with a coagulating agent. The high-temperature resistant spray fast-setting rubber asphalt waterproof coating provided by the invention is a novel spray fast-setting rubber asphalt environment-friendly waterproof material which is nontoxic, tasteless and pollution-free and can be subjected to cold construction at normal temperature; and meanwhile, the high-temperature resistant spray fast-setting rubber asphalt waterproof coating has good heat resistance (160 DEG C), high elongation at break (greater than 1,000%), high elasticity recovery rate (greater than 90%), high bonding strength (greater than 0.5MPa), excellent low temperature resistance (without breakage at -30 DEG C) and excellent ageing resistance, acid / alkali resistance, cohesiveness and shear resistance, and can prevent structural damage caused by water penetration so as to prolong the service life of highway bridges.

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.

The invention provides a water-based rubber paint. The water-based rubber paint is composed of, by mass, 5 to 35% of water, 30 to 80% of water-based rubber emulsion, 0 to 55% of water-based resin emulsion, 0 to 60% of a pigment and filler, and 0.1 to 25% of an auxiliary agent. The invention also provides a preparation method of the water-based rubber paint. The preparation method comprises following steps: 1, water, the water-based rubber emulsion, the water-based resin emulsion, and the auxiliary agent are prepared into a raw material at a certain mass ratio; 2, an obtained mixture is stirredfor 1 to 5h, wherein the rotating speed is controlled to be 50 to 200 round / min; 3, sieving is carried out using a sieve of 40 meshes, and then packaging is carried out. The water-based rubber paintpossesses following advantages: the water-based rubber paint is based on water, is friendly to the environment, and peeling is avoided; drying is quick; construction is convenient; repairing is convenient; the weatherability is excellent; color maintaining performance is excellent; stain resistance is excellent; cleaning is convenient; moisture resistance is excellent, salt spray resistance is excellent; mould resistance is excellent; and physical, chemical, and construction defects are avoided when the water-based rubber paint is used for coating base materials such as metal, cement, concrete, stone material, plastic, plastic cement, glass, tile, timber, film, paper, and leather.

The invention relates to an RFL film or adhesive dip coating comprising carbon nanotubes.It also relates to a yarn coated or impregnated with a coating according to the invention.It also relates to the use of the yarn thus treated for reinforcing an article based on a rubber material, said article possibly being a belt, a tube, a hose, a pipe or a tire and generally any object subjected to shear stresses.

The invention relates to a method for efficiently and continuously preparing a heat-conducting graphite film on a large area, and belongs to the technical field of preparation of heat-conducting, heat-radiating or soaking materials. The method comprises the following steps: continuously roll-coating graphene, expanded graphite dispersion or slurry on a substrate film of a multilayer structure, and then passing the substrate film covered by a coating layer through a heat drying duct or a hot air duct to remove a solvent; and then repeatedly compacting the coating layer by adopting a double-roll calender or a hydraulic machine to prepare a high-heat-conductivity graphene or expanded graphite film, and forming a back gum, a protective film or release paper on the surface of the film. The graphite film prepared by the method provided by the invention has excellent heat conductivity (the coefficient of heat conductivity in the horizontal direction can reach 300-1500W / m.K), can be produced in batches on a large area, and has a very good application effect on soaking and heat conduction of the electronic product heat dissipation field, and floor heating or wall heating systems.

The invention relates to flame-retardant spraying quick-settling rubber asphalt waterproof paint, which achieves a flame retardant effect by adding certain flame retardant components on the basis of the conventional quick-settling rubber asphalt waterproof paint, and has excellent performance. The waterproof paint is water-based spraying paint and is prepared in proportion by the steps of: compounding superfine, suspended and micro-emulsion modified emulsified asphalt and macromolecule polymer rubber latex to obtain components of liquid rubber asphalt mastic emulsion and mixing the emulsion with coagulating agent components. Compared with the conventional waterproof paint, the flame-retardant spraying rubber waterproof paint provided by the invention is higher in elongation at break and bonding strength and has the outstanding characteristic of flame retardance. The flame-retardant spraying quick-settling rubber asphalt waterproof paint effectively makes up the shortage of flame retardance of the conventional waterproof paint, has the advantages of convenience in construction, aging resistance, long service life, flame retardance and the like, and can be widely applied to water prevention of roofs of various buildings.

The invention provides a spraying rapid-hardening rubber asphalt water proofing material for a drinking water pond. According to the spraying rapid-hardening rubber asphalt water proofing material, emulsified asphalt and high-molecular polymer rubber latex are prepared into liquid rubber asphalt emulsion component in the ratio by the latest technology, and then the liquid rubber asphalt emulsion component is mixed with a coagulating agent in the ratio so as to obtain a water-based spraying material; the emulsified asphalt, the latex and the chemical stabilizer and the like in the prescription are all the non-volatile organic compounds and organic solvents; the construction is mainly carried in a chemical spraying way, wherein a film can be generated after spraying for 30 seconds; and the formed elastic film has the characteristics of high elongation (more than 1000%) and high elastic recovery rate (more than 90%), so that the spraying rapid-hardening rubber asphalt water proofing material has the water proofing effect greater than that of conventional material. The spraying rapid-hardening rubber asphalt water proofing material for the drinking water pond is produced, constructed and used without organic solvents, so that the spraying rapid-hardening rubber asphalt water proofing material is nonpoisonous and tasteless, zero-waste, and free from exhaust emission and pollution; and the spraying rapid-hardening rubber asphalt water proofing material for the drinking water pond is constructed at normal temperature without being heated and adopting open fire, so that the safety and the reliability can be ensured.

The invention provides a root-resistance spraying rapid-hardening rubber asphalt water-proofing material for planting. According to the spraying rapid-hardening rubber asphalt water-proofing material, emulsified asphalt and high-molecular polymer rubber latex are prepared into liquid rubber asphalt emulsion component in the ratio by the latest technology, and a root resisting agent is added to the liquid rubber asphalt emulsion component, and then the liquid rubber asphalt emulsion component is mixed with a coagulating agent in the ratio so as to obtain a water-based spraying material. According to the root-resistance spraying rapid-hardening rubber asphalt water-proofing material for planting, a cold-constructing technology is adopted; a water-proofing film which is quickly formed after the spraying is high in breaking elongation (more than 1000%), high in bonding strength, outstanding in ageing resistance, ultraviolet ray resistance and low-temperature resistance, environment-friendly, nontoxic, and outstanding in root resistance, and can be widely applied to water prevention of various planted roofs.

The invention relates to an anticorrosion type spraying quick-setting rubber asphalt waterproof coating. The coating is an anticorrosion type water-based spraying coating prepared by adding a preservative into a liquid rubber asphalt mastic emulsion component which is prepared from modified-emulsified asphalt and high-molecular polymer rubber latex, and then mixing the liquid rubber asphalt mastic emulsion component with a coagulating agent component in proportion. Besides environmentally-friendly and non-pollution properties, the anticorrosion coating provided by the invention has the advantages of excellent acid-base resistance property, water resisting property, hot brine resisting property, heat and humidity resisting property and temperature change resisting property, accords with the requirement on heavy corrosion protection in the anticorrosion coating and can be widely used for heavy corrosion protection coating on the surface of concrete, metal and wood and the like in various buildings and structures, over-ground, underground or underwater steel structures, chemical engineering machines, pipelines, tanks, ships, bridges, docks and the like.

The invention discloses colorful heat insulating and waterproof building paint, which comprises the components in parts by weight as follows: 20-30 parts of styrene-acrylic emulsion, 20-30 parts of natural rubber resin, 3-10 parts of paint dispersant, 10-15 parts of ethylene glycol, 0.5-1 parts of defoamer, 10-20 parts of pigment, 30-50 parts of low heat conductive coefficient filler, 4-8 parts of white carbon black and 10-15 parts of water. The colorful heat insulating and waterproof building paint is abundant in color, and can well meet the requirement of colorful outer wall paint of buildings with excellent heat insulating and waterproof effects which are same as those of white paint. The paint contains neither heavy metals nor formaldehyde and is relatively beneficial to health of human bodies. The paint is applicable for concrete pavements, asphalt pavements, plastic pavements, pavements of glass fiber reinforced plastics, and metal pavements, and is convenient to construct in ways of spray coating, brush coating and rolling coating.

The invention relates to a pressure sensitive adhesive tape for high-temperature resistant masking and a preparation method thereof. The pressure sensitive adhesive tape consists of a substrate layer, an isolator layer, a release agent layer, a primer layer and an adhesive layer, wherein the isolator layer and the release agent layer sequentially cover the upper surface of the substrate layer, and the primer layer and the adhesive layer sequentially cover the lower surface of the substrate layer. The pressure sensitive adhesive tape prepared by the invention, compared with the prior art, can avoid crack and residue when being peeled off after being roasted for 60 minutes at high temperature of 180 DEG C, and the adhesive property has strong adhesive property and can avoid a wrapping phenomenon when being used.

The invention relates to a nano spraying quick-setting rubber asphalt waterproof coating for metro tunnels. The coating is a water-based spraying coating prepared by adding a nano accessory ingredient into a liquid rubber asphalt mastic emulsion component which is prepared from modified-emulsified asphalt and high-molecular polymer rubber latex and then mixing the liquid rubber asphalt mastic emulsion component with a coagulating agent component in proportion. A spraying quick-setting modified asphalt waterproof material is obtained by adding the nano accessory ingredient into the product and has better mechanical property and anti-aging property. After the nano accessory ingredient is added, an elastic coating film has strong bonding strength which is 0.9MPa, tensile strength which is greater than 1 MPa, high elastic recovery rate which is greater than 1000%, and excellent anti-aging property, has saline-alkaline tolerance and has the advantages of convenience in construction, high efficiency and quick forming of films. The nano spraying quick-setting rubber asphalt waterproof coating is suitable for metro tunnels and underground waterproof engineering, and can be used for overcoming the defects of the traditional coiled material in the metro tunnel construction and satisfying the high requirement on the waterproof material in the metro tunnel engineering at the same time.

The invention discloses a reflection type thermal insulation waterproof coating. The coating comprises 20-30 parts of solid acrylic resin, 5-10 parts of natural rubber resin, 3-10 parts of polystyrene resin, 10-15 parts of xylene, 6-9 parts of butyl acetate, 6-9 parts of acetone, 10-20 parts of pigment, 30-50 parts of stuffing with low thermal conductivity and 4-8 parts of white carbon black. The thermal insulation waterproof coating has good thermal insulation effect and can insulate nearly 95 percent of the heat from the sun, lower the roof surface temperature by 15-25 DEG C, lower the indoor temperature by 5-10 DEG C and obviously reduce the energy consumption for lowering the temperature of buildings in hot summer, thus saving energy and protecting the environment; and the coating has strong corrosion resistant performance, acid and alkali resistance and acid rain resistance, can withstand bad weather and has not only thermal insulation effect but also certain protective effect on the buildings, thus prolonging the service life of the buildings.

The invention discloses a flexible multi-lead cap-type brain magnetic instrument and a high-precision imaging method thereof. The brain magnetic instrument comprises a flexible multi-lead cap, a magnetic sensor array, a magnetic shielding and compensation module, a magnetic sensor position and posture calibration module, a signal detection and storage module and a brain magnetic imaging module. According to the flexible multi-lead cap-type brain magnetic instrument, by introducing the magnetic sensor position and posture calibration module, the center positions of a magnetic sensor and a standard point can be determined, the posture of the magnetic sensor relative to the tested head can be determined, and the imaging precision can be improved. According to the MEG imaging method based on CT and multi-mode MRI, multi-mode MRI at least comprises T1, T2 and DT1, and the problem of low precision of brain magnetic imaging of infants can be solved. The flexible multi-lead cap-type brain magnetic instrument is flexible to use, comfortable to wear and low in production cost; the imaging method of the instrument is easy to operate and high in imaging precision.

The invention provides a spraying rapid-hardening rubber asphalt water-proofing material for a pitched roof. According to the spraying rapid-hardening rubber asphalt water-proofing material, emulsified asphalt and high-molecular polymer rubber latex are prepared into liquid rubber asphalt emulsion component in the ratio by the latest technology, and then the liquid rubber asphalt emulsion component is mixed with a coagulating agent in the ratio so as to obtain a water-based spraying material. By adopting the spraying rapid-hardening rubber asphalt water-proofing material, the problem due to the construction of the pitched roof can be effectively solved. According to the spraying rapid-hardening rubber asphalt water-proofing material for the pitched roof, a cold-constructing spraying mode is adopted, which is simple to operate and high in efficiency; and the water-proofing weak and detailed links at the parts in the pitched roof, such as through-wall pipes and water falling ports, can be conveniently and quickly treated. The spraying rapid-hardening rubber asphalt water-proofing material can be quickly sprayed and cured to generate a film, and the film can be generated within 30 seconds; and the formed water-proofing film has the characteristics of high breaking elongation (more than 1000%), high elastic recovery rate (more than 90%), high bonding strength (more than 0.5MPa), outstanding low-temperature resistance (out of breaking at -30 DEG C), outstanding ageing resistance and high acid and alkali resistance.

The invention provides a quick-drying red gouache, including: a coloring agent, a filler, a glue solid agent, a wetting agent, a preservative, dissolving water, and iron powder; wherein the mass percent of each component is: 15%-25% of the coloring agent; 3%-6% of the filler; 30%-50% of the glue solid agent; 10%-15%of the wetting agent; 0.5%-2% of the preservative; 1%-2% of the iron powder; and the balance being dissolving water. The gouache is fast in drying speed and high in color retention, and can make the painted picture to be of vivid effects after drying.

The invention relates to a stain-resistant water-based paint composition. The stain-resistant water-based paint composition is prepared from one or more kinds of water-based latex containing polymer particles capable of being self-crosslinked, and one or more kinds of particle solids. The Tg of the polymer particles is 10 DEG C or lower; the particle solids include a combination of flaky particle solids and spherical particle solids, and the weight ratio of the flaky particle solids to the spherical particle solids is 1:1 or higher. The pigment volume concentration of the water-based paint composition is 45% or higher, and the water-based paint composition contains few volatile organic compounds.