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31results about How to "With flame retardant effect" patented technology

Water anti-flaming carpentry paint

The invention relates to a coating, in particular to an aqueous flame retardant fireproof woodenware paint, which includes base material, flame retardant, water, wetting agent, film forming additive , flow agent, preservative, wax emulsion, and thickener, wherein the base material is organosilicone acrylic acid polymer and includes 75-80 percent of base material emulsion, 8-15 percent of flame retardant, 4-6 percent of water, 0.05-0.2 percent of wetting agent, 4-6 percent of film forming additive, 0.1-0.2 percent of flow agent, 0.05-0.2 percent of preservative, 1-3 percent of wax emulsion, and 0.1-0.3 percent of thickener, the woodenware paint has great flame retardant efficacy and good painting decoration effect.
Owner:刘炳义

Phosphorous-containing epoxy resin amine curing agent and preparation method thereof

The invention discloses a phosphorous-containing epoxy resin amine curing agent and a preparation method thereof, and relates to a chemical synthetic agent and a preparation method thereof. Preparation raw materials include pentaerythritol ester rosin (PER), phosphorus oxychloride (POCl3) and ethidene diamine. The preparation method for the curing agent comprises the following two steps: firstly, producing a reaction of PER and POCl3 under a certain condition to generate a phosphorous-containing intermediate, namely spirobisphosphate diphosphonic chloride (SPDPC); secondly, producing a stirring reaction of SPDPC and ethidene diamine for a certain time by introducing inert gas, performing treatment of filtering, washing, drying and the like on a product, and obtaining faint yellow powdery solid. A compound has relatively high thermal stability and expandability as well as high char yield, and can be used as an epoxy resin curing agent for improving flame-retardant performance of a cured product. A process is simple in production condition, relatively high in product purity and yield and simple and convenient in post-treatment process.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) modified anhydride epoxy resin flame-retardant curing agent and preparation method thereof

The invention provides a DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) modified anhydride epoxy resin flame-retardant curing agent and a preparation method thereof and relates to a chemical synthesis agent and a preparation method thereof. The curing agent comprises the following raw materials: DOPO and 2-methyl tetrahydrophthalic phthalic anhydride. The flame-retardant curing agent is simple in a preparation process and can be prepared only by a one-step reaction, that is, DOPO and 2-methyl tetrahydrophthalic phthalic anhydride are mixed with a solvent under an inert gas atmosphere for a reaction for hours at a certain temperature, and rotary evaporateion and solvent removal are performed, so as to obtain a product; or DOPO reacts with 2-methyl tetrahydrophthalic phthalic anhydride react with each other for hours under the condition of no solvent and then are cooled to the room temperature, so as to obtain an acquired product; and the products obtained under different proportion conditions are colorless liquid to light yellow liquid. In a processing process, the raw materials can be well mixed with epoxy resin and can be cured into one together with the epoxy resin; and the flame-retardant curing agent can be taken as a curing agent of the epoxy resin, and the flame retardant property of the epoxy resin can be effectively improved. The preparation method is simple and convenient, and modified anhydride curing agents with different phosphorus contents can be prepared as required.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Epoxy resin flame retardant containing phosphorous and nitrogen and preparation method thereof

Relating to a flame retardant and a preparation method thereof, the invention provides an epoxy resin flame retardant containing phosphorous and nitrogen and a preparation method thereof. The preparation raw materials include: phenylphosphonic dichloride and o-phenylenediamine. The preparation method of the flame retardant includes: under the introduction of an inert gas, carrying out stirring reaction on phenylphosphonic dichloride (DCPPO) and o-phenylenediamine for a period of time, and conducting filtering, washing, drying and other treatment on the product to obtain a white solid. The compound has good compatibility with epoxy resin, can be cured together with epoxy resin into a whole, has little influence on the mechanical properties of the cured product, can be used as a curing agent of epoxy resin, and also can effectively improve the flame retardance of epoxy resin. The process provided by the invention has the advantages of simple production condition, high product purity and yield, and simple post-treatment process.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Textured stone-like heat-insulating reflective composite coating for buildings and preparation method thereof

PendingCN112143312AEasy to prepareWith synergistic heat insulation reflection effectAntifouling/underwater paintsPaints with biocidesWeather resistanceEmulsion
The invention provides a textured stone-like heat-insulating reflective composite coating for buildings and a preparation method thereof, and the textured stone-like heat-insulating reflective composite coating comprises the following components in percentage by mass: 11-20% of reflective heat-insulating emulsion, 3-20% of composite hollow glass bead powder, 0.1-0.24% of a bactericide, 0.05-0.10%of a preservative, 2-5% of a coalescing agent, 1-4% of a composite additive, 1-6% of ultrafine heat-insulating powder, 0.5-7% of a mica filler powder, 0.5-5% of nano titanium dioxide, 12-60% of whitesand, 4-20% of color sand, and 5-15% of water. The stone-like coating has the functions of heat insulation, weather resistance and stone-like texture, also has a flame-retardant effect, is low in production cost, is comprehensive in weather resistance and heat insulation, is good in texture effect, and is environment-friendly and pollution-free.
Owner:江西景新漆业股份有限公司

Insulating refractory plate

The invention discloses an insulating refractory plate, which includes refractory layers, insulating layers and a foam layer. The foam layer is in the middle; the insulating layers are on both sides of the foam layer; and the refractory layers are on both sides of the insulating layer. Compared with traditional insulating refractory plates, the invention has the following improvements that: the insulating layer is an organic material layer composed of glass fiber, carbon fiber and reinforced plastics together. The refractory layers are an organic silica gel layer, not only is refractory, but also has light overall mass, strong elasticity and low cost, and also has good insulation, waterproof, heat insulation, sound insulation and other effects, and can be widely used in construction, decoration furniture, transportation means and other fields.
Owner:QINGDAO KANGTAIXIN ENVIRONMENTAL PROTECTION TECH

Epoxy resin flame retardance curing agent containing phosphorus and nitrogen and preparation method of epoxy resin flame retardance curing agent

The invention discloses an epoxy resin flame retardance curing agent containing phosphorus and nitrogen and a preparation method of the epoxy resin flame retardance curing agent, and relates to a chemical curing agent and a preparation method thereof. Preparation raw materials comprise phosphorus oxychloride, 1-oxy-phospha-4-hydroxymethyl-2,6,7-trioxabicyclo[2.2.2]octane, and m-xylylenediamine. The preparation method comprises the following two steps: firstly, ensuring that phosphorus oxychloride (POCl3) and 1-oxy-phospha-4-hydroxymethyl-2,6,7-trioxabicyclo[2.2.2]octane (PEPA)react with each other in a certain condition, so as to generate phosphorus containing intermediate; secondly, ensuring that the intermediate obtained in the first step and m-xylylenediamine are stirred and react with each other for a certain time with the leading of inert gas, and carrying out filtering, washing and drying to obtain white solid. The curing agent has good compatibility with epoxy resin, can be cured into a whole body with epoxy resin, and is small in influence on the mechanical property of a cured material, can not only serve as a curing agent for epoxy resin, but also effectively improve the flame retardation of epoxy resin.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Phosphorus-nitrogen intumescent epoxy resin flame retardant and preparation method thereof

The invention provides a phosphorus-nitrogen intumescent epoxy resin flame retardant and a preparation method thereof, relating to a chemical synthesis agent and a preparation method thereof. Preparation raw materials include phosphorus oxychloride, diethylamine and glycidol. The method for preparing the flame retardant comprises the following two steps: I. reacting phosphorus oxychloride (POCl3) and diethylamine (EDA) under certain conditions to generate a phosphorus-nitrogen intermediate diethylphosphoramidic dichloride (DPAD); II. stirring DPAD and glycidol to react for a certain time under the condition of inert gas import and carrying out filtration, washing, rotary evaporation, drying and other treatment on the product, thus obtaining a faint yellow liquid. The compound has good compatibility with epoxy resin, can be cured with epoxy resin into one, has smaller effects on the mechanical properties of cured products, can serve as an epoxy resin reactive diluent and can conduce to effectively improving the flame retardance of epoxy resin. The process is simple in production conditions, higher in product purity and yield and simple and convenient in after-treatment process.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Electric line insulating skin with inflaming retarding effect

The invention discloses an electric line insulating skin with an inflaming retarding effect. The insulating skin comprises a surface layer, a middle layer and a bottom layer. The surface layer is a blended fabric layer composed of glass fibers and nylon fibers, the middle layer is a fire-resistant coating layer and the bottom layer is a woven-cloth layer. The middle layer coats the bottom layer. The surface layer adheres onto the middle layer. The design of a multiple-layer composite structure is adopted in the insulating skin, comprehensive performance is superior, the inflaming retarding effect is good, the service life of an electric line is greatly prolonged and the safety performance of the electric line is greatly improved. Thus, electric equipment is safer and more reliable to use. Meanwhile, the insulating skin is flexible and high in plasticity and strength. Covering the electric line is easy to perform.
Owner:KUNSHAN FENFA INSULATING MATERIALS

Flame-retardant yarn weaving

The invention provides a novel weaving idea of a flame retardant yarn variety fabric and process, through a reciprocating automatic plucker to clean cotton, using the processes of mixing a head and a channel, and twice drawing, a drawing sliver which is spun into yarn through roving yarn and spun yarn, after being twisted, the yarn is changed into wire. Using the fiber blending, the comfortable wear is guaranteed and the flame retardant efficacy is possessed, simultaneously, the cost is properly reduced, the weaving performance is capable of being obviously improved, the weaving effect is improved above 92 percent, simultaneously, the strength of the fiber is increased, the brittleness is increased, the wear comfort is excellent, the production process is simple, the weaving effect is high, the production value of a product is improved, and the economic and social benefits are excellent.
Owner:SHENGHONG GRP CO LTD

Single-disc type floating disc in storage tank

The invention aims at providing a single-disc type floating disc in a storage tank. A floating disc body is formed by closely arraying multiple I-shaped floating pipes in a horizontal direction, the floating pipes are fixedly connected with one another, and a refractory layer is arranged on the surface of the floating disc body. A sealing casing pipe is arranged between the floating disc body andthe wall of the tank, the floating disc body is fixedly connected to one end of the sealing casing pipe, the other end of the sealing casing pipe is fixedly connected to the top of the storage tank, and a sealed space is formed between the sealing casing pipe and the inner wall of the storage tank. The sealing casing pipe adopts a vertically retractable flexible connecting structure, multiple reinforcing ribs are arranged in the middle of the sealing casing pipe, and venting holes are formed in the top of the sealing casing pipe. The floating disc has a simple structure, and the weight of thewhole floating disc can be reduced by means of a hollow floating pipe structure; volatile oil gas remaining on the wall of the tank is controlled in the sealed space formed between the sealing casingpipe and the storage tank and finally discharged along the venting holes to achieve organized emission. The whole floating disc is simple in device structure, convenient to install and operate, long in service life, safer and more environmentally friendly.
Owner:张煜

Epoxy resin modified amine flame-retarding curing agent and preparation method thereof

The invention provides an epoxy resin modified amine flame-retarding curing agent and a preparation method thereof and relates to a chemical synthetic agent and a preparation method thereof. The epoxy resin modified amine flame-retarding curing agent is prepared from the following raw materials: phosphorus oxychloride (POCl3), pentaerythritol (PER) and 1,3-bis(aminomethyl)-cyclohexan (1,3-BAC); a method for preparing a fire retardant comprises the following two steps: step 1, taking the POCl3 and the PER to react under a certain condition to generate a phosphorus-containing intermediate SPDPC (Spirobisphosphate Diacyl Chloride); step 2, stirring the intermediate obtained in the step 1 and the 1,3-BAC to react for certain time under the condition that inert gas is introduced; filtering, washing and drying a product and so on to obtain white solid powder. The compound has good dispersiveness in epoxy resin and can be cured with the epoxy resin together; the compound can be used as a curing agent of the epoxy resin and can also effectively improve the flame-retarding property of the epoxy resin. The epoxy resin modified amine flame-retarding curing agent and the preparation method thereof have the advantages of simple process production conditions, relatively high purity and yield of the product and simple and convenient post-treatment process.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

A kind of graphene thermal storage pad and preparation method thereof

The invention relates to the field of heat preservation materials, and provides a graphene heat accumulation pad and a preparing method thereof. The graphene heat accumulation pad comprises a damp-proof layer at the bottom and a heat accumulation layer on the top, the heat accumulation layer fits the upper surface of the damp-proof layer, the damp-proof layer is made from a radiation crosslinkingpolyethylene foaming material, the heat accumulation layer is prepared from a graphene / organic compound phase-change material, and a layer of aluminum foil fits the bottom face of the damp-proof layer. The invention provides a novel thin film material with the functions of heat preservation, heat accumulation and damp proofing, and the novel thin film material is suitable for thermal insulation materials of various floors and floor heating systems.
Owner:牛墨石墨烯应用科技有限公司

Phosphorus and nitrogen containing flame-retardant curing agent for epoxy resin and preparation method for agent

The invention discloses a phosphorus and nitrogen containing flame-retardant curing agent for epoxy resin and a preparation method for the agent, and relates to a chemical synthesis agent and a preparation method thereof. Preparation raw materials comprise phosphorus oxychloride, ethylenediamine and p-phenylenediamine. The method for preparing the flame-retardant curing agent comprises the following two steps: step 1, reacting phosphorus oxychloride (POCl3) with ethylenediamine under a certain condition to generate a phosphorus-containing intermediate; and step 2, reacting the obtained intermediate with p-phenylenediamine under a condition of an introduced inert gas with stirring for a period, and performing filtering, washing, drying and other processing on the obtained product, so as to obtain a light grey solid. The prepared compound has good compatibility with epoxy resin, can be cured together with epoxy resin, has little influence on mechanical properties of the cured material, can be used as a curing agent of epoxy resin, and also can effectively improve the flame retardancy of epoxy resin. The production conditions are simple, the product purity and yield are relatively high, and the post-processing process is simple.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Halogenless composite fire retardant for polyolefine plastic

InactiveCN1869113ASuppresses fuming and hydrogen chloride formationNon-corrosive priceAmmonium polyphosphateHalogen
A non-halogen composite flame-retarding agent for polyolefine plastics is proportionally prepared from aluminum hydroxide, brucite powder, whitened coated red phosphorue, resorcin biphosphate, ammonium polyphosphate and zinc borate.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Lithium ion battery separator, processing method thereof and lithium ion battery

The invention belongs to the technical field of lithium ion batteries, and particularly discloses a lithium ion battery separator, a processing method thereof and a lithium ion battery. According to the method, magnesium hydroxide is generated on the separator by reacting of a magnesium salt attached to the separator with an alkaline solution. The flame retardant magnesium hydroxide is used to replace alumina, so that the lithium ion battery separator has a flame retarding effect. When the lithium ion battery separator is heated, the magnesium hydroxide not only generates a heat insulation effect, but also absorbs heat. When short circuit occurs in a certain point inside the battery, antimony oxide can absorb the heat quickly to drop rapidly the temperature, so that the battery does not catch fire or explode. The safety performance of the battery manufactured from by the lithium ion battery separator processed by the method is remarkably improved.
Owner:HUNAN GRAND PRO ROBOT TECH

Reactive phosphorus-containing epoxy resin flame-retardant curing agent and preparation method thereof

The invention provides a reactive phosphorus-containing epoxy resin flame-retardant curing agent and a preparation method thereof, and relates to a curing agent and a preparation method thereof. Raw materials for preparation comprise dichlorophenylphosphine oxide and m-xylylenediamine. The preparation method of the flame retardant comprises the following steps: reacting the dichlorophenylphosphine oxide (DCPPO) and the m-xylylenediamine (MXDA) with stirring for some time while inert gas is introduced; and performing filtration, washing, drying and other treatment on the product to obtain a white solid. The compound has favorable compatibility with epoxy resin, can be cured with the epoxy resin into a whole and has less influence on the mechanical properties of a cured product; and the compound can serve as the epoxy resin curing agent, and can effectively improve the flame retardancy of the epoxy resin. The process provided by the invention is simple in production conditions, high in product purity and yield and convenient in a posttreatment process.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Novel filling agent

The invention discloses a novel filling agent which is characterized in that the filling agent is prepared by mixing polyurethane foam, asbestos, titanium oxide, diatomite, alumina powder, boric acid and emery according to a mass ratio of 4:1:3:1:2:0.5:1. The product provided by the invention has high impact strength, low shrinkage, good sound insulation effect, relatively high rigidity, and relatively high hardness. The filling agent also has a flame-retardant function. The filling agent has comprehensive overall performance, and has wide application environments.
Owner:洪艳平

Floor waterproof material manufacturing method

The invention discloses a floor waterproof material manufacturing method, which comprises the following steps: step 1, preparing a mixed resin emulsion, step 2, preparing a mixed solution, step 3, preparing an impregnation suspension emulsion, step 4, preparing a waterproof impregnation emulsion, and step 5, preparing the floor waterproof material. The coating is prepared from water-soluble phenolic resin, a waterborne polyurethane resin emulsion, hydrophobic silicon dioxide, talcum powder, a flame retardant, nano magnesium oxide, aluminum oxide, sodium pyrophosphate, melamine and a nano paraffin emulsion. The wood floor has the waterproof effect by preparing the waterproof material into the dipping emulsion for waterproof dipping, complex attaching or coating processing is not needed, construction is convenient and fast, the waterproof effect is remarkable, the formed waterproof layer has good abrasion resistance by adding the aluminum oxide powder, and the waterproof effect is good.The wood floor is protected while the waterproof layer is protected, the flame retardant enables the waterproof layer to have the flame retardant effect, and the flame retardant effect of the wood floor is better.
Owner:安徽大禹防水科技发展有限公司

Calligraphy and painting paper and its production process

The invention provides paper for painting and calligraphy. The paper for painting and calligraphy is prepared from, by weight, 10-30 parts of bamboo pulp, 50-80 parts of herba junci setchuensis pulp, 5-20 parts of wood pulp, 5-15 parts of water-soluble polyvinyl alcohol fibers, 5-20 parts of silk, 0.01-1 part of starch adhesive and 0.001-0.5 part of a waterproof agent. The starch adhesion is prepared from starch, carbamido resin, sodium bromide, ammonium chloride and water. The invention further discloses a manufacturing process of the paper for painting and calligraphy. By addition of the starch adhesive according to a specific formulation, the paper for painting and calligraphy has flame-retardant and fireproof effects; due to addition of the silk, light weight, thinness and softness of the paper are achieved; by spraying of the waterproof agent, water resistance of the paper is improved. The manufacturing process is suitable for large-batch production, and operation efficiency is improved.
Owner:ZHEJIANG VOCATIONAL COLLEGE OF COMMERCE

Preparing method of inflame-retarding type big-diameter plate-shaped calcium carbonate

The invention provides a preparing method of inflame-retarding type big-diameter plate-shaped calcium carbonate. On the basis of a traditional preparing method of plate-shaped calcium carbonate, the draw ratio of fibroid light calcium carbonate is adjusted, graphene is added, in a grinding process, graphene is regarded as a base plane, the diameter of obtained plate-shaped calcium carbonate is obviously increased, the radius-thickness ratio is also increased accordingly, and meanwhile the advantages of the traditional method that the particles are uniform, the particle diameters are narrow in distribution are maintained, and the inflame-retarding type big-diameter plate-shaped calcium carbonate is large in superficial area and high in covering power; magnesium-aluminum hydrotalcite of which the particle diameter is 50-200 micrometers is added to conduct joint grinding, on one hand, the lamellar surface of the magnesium-aluminum hydrotalcite is tiled with graphene, and the radius-thickness ratio of calcium carbonate is further increased; on the other hand, in the grinding process, the magnesium-aluminum hydrotalcite forms nanoscale small particles, the nanoscale small particles are dispersed to the surface of plate-shaped calcium carbonate, and prepared plate-shaped calcium carbonate has a certain inflaming retarding effect.
Owner:浙江振鑫新材料科技有限公司

A kind of phosphorus, nitrogen-containing epoxy resin flame retardant curing agent and preparation method thereof

A phosphorus and nitrogen-containing epoxy resin flame retardant curing agent and its preparation method, relating to a chemical curing agent and its preparation method, the preparation raw materials include: phosphorus oxychloride, 1-oxyphospha-4-hydroxymethyl ‑2,6,7‑trioxabicyclo[2.2.2]octane and m-xylylenediamine, the method for preparing the flame retardant is divided into two steps, the first step, phosphorus oxychloride (POCl3 ) and 1-oxygen phospha-4-hydroxymethyl-2,6,7-trioxabicyclo [2.2.2] octane (PEPA) react under certain conditions to generate a phosphorus-containing intermediate; the second step, The intermediate obtained in the first step is stirred and reacted with m-xylylenediamine under the introduction of an inert gas for a certain period of time, and the product is filtered, washed, dried, etc. to obtain a white solid. The compound has good compatibility with epoxy resin, can be cured together with epoxy resin, and has little influence on the mechanical properties of the cured product. It can be used as a curing agent for epoxy resin, and can effectively improve the flame retardant properties.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Multifunctional flame retardant hat

The invention discloses a multifunctional flame retardant hat. The multifunctional flame retardant hat comprises a hat body and a hat brim, a flame retardant fabric is arranged on the outside of the hat body, a mask is disposed on the inside of the hat body, and the mask is made of the flame retardant fabric. The multifunctional flame retardant hat has the advantages that cold-proof and dust-proof functions and effects of warming head and ears by common hats can be achieved, defects of traditional hats can be overcome, the hat is integrated with the mask so as to achieve flame retardant effect simultaneously, the hat and the mask can be simultaneously used, the mask can be stored in the hat when the mask is not required, and the flame retardant characteristic helps to guarantee the life safety of people.
Owner:NANTONG JINYUE FASHION DESIGN

A kind of preparation method of flame-retardant large-diameter flake calcium carbonate

The invention provides a preparing method of inflame-retarding type big-diameter plate-shaped calcium carbonate. On the basis of a traditional preparing method of plate-shaped calcium carbonate, the draw ratio of fibroid light calcium carbonate is adjusted, graphene is added, in a grinding process, graphene is regarded as a base plane, the diameter of obtained plate-shaped calcium carbonate is obviously increased, the radius-thickness ratio is also increased accordingly, and meanwhile the advantages of the traditional method that the particles are uniform, the particle diameters are narrow in distribution are maintained, and the inflame-retarding type big-diameter plate-shaped calcium carbonate is large in superficial area and high in covering power; magnesium-aluminum hydrotalcite of which the particle diameter is 50-200 micrometers is added to conduct joint grinding, on one hand, the lamellar surface of the magnesium-aluminum hydrotalcite is tiled with graphene, and the radius-thickness ratio of calcium carbonate is further increased; on the other hand, in the grinding process, the magnesium-aluminum hydrotalcite forms nanoscale small particles, the nanoscale small particles are dispersed to the surface of plate-shaped calcium carbonate, and prepared plate-shaped calcium carbonate has a certain inflaming retarding effect.
Owner:浙江振鑫新材料科技有限公司

Preparation method of olefin resin composition

InactiveCN105199206AIncreased Mix AffinityGood miscibilityPolyolefinPolymer science
The invention provides a preparation method of olefin resin composition. The preparation method comprises steps as follows: (1), an oxide of iron and an oxide of Mo are supported on a carrier, and a flame retardant is prepared; (2), 100 parts of polyolefin resin, 4-8 parts of the flame retardant prepared in the step (1) and 0.1-2 parts of a silicone coupling agent are mixed at a high speed of 1,800-2,000 r / m at the temperature ranging from 80 DEG C to 100 DEG C for 10-15 minutes; (3), the materials are mixed, melted, extruded and pelletized. The preparation method has the benefits that the olefin resin composition has good flame retardancy and is environment-friendly.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

Board-like cork material and method for producing same

The present invention relates to a method for producing a board-like cork material in which the (ultra) fine powder (particles) remaining in the many metaphysical recesses in a cork surface are not drawn out while at the same time ensuring that there is no damage to the specific functionality of cork when employed in the internal space of a business room or elsewhere. The method according to the present invention comprises the steps of: (a) coating an adhesive onto one surface or both surfaces of a substrate of a board-like cork material and then hot pressure bonding and thereby adhering a cork-patterned paper onto the same, and polishing and brushing the surface of the cork-patterned paper; (b) using air vacuum adsorption to remove the fine cork powder which is present in the plurality of metaphysical recesses formed in the surface of the cork-patterned paper, after having passed through Step (a); (c) removing the fine cork powder which remains in the plurality of metaphysical recesses formed in the surface of the cork-patterned paper, by washing the plurality of metaphysical recesses formed in the surface of the cork-patterned paper after Step (b); and (d) infilling the metaphysical recesses with a colouring composition by compressing and thereby impregnating the same by means of a roller coater and at the same time effecting colouration of a level-surface type or else effecting only colouration of a uniform type by excluding calcium carbonate filler from the colouring composition, and printing or top coating by means of a gravure printing roller or spray and then passing through an embossing roller.
Owner:朴根用

Mosquito-repellent decorative material and production method thereof

The invention relates to a mosquito-repellent decorative material and a production method thereof. The mosquito-repellent decorative material comprises at least six mozzie buster layers, at least twowood crushed aggregate layer and adhering layers, wherein the wood crushed aggregate layers are arranged between the six mozzie buster layers, and the adhering layers are arranged between the upper and lower surfaces of the mozzie buster layers or the wood crushed aggregate layer. The production method comprises the steps of preprocessing and paving the mozzie buster layers, and carrying out a hot-pressing process and a cold-pressing forming process. The production method provided by the technical scheme has the beneficial effects that, the process is simple, the equipment demand amount is small, the preparation time is short, and the operation is safe and convenient; and the prepared mosquito-repellent decorative material has mosquito-repellent and flame-retardant functions, the release of free formaldehyde can be effectively reduced, and the health of people is guaranteed.
Owner:NANJING FORESTRY UNIV

Halogenless composite fire retardant for polyolefine plastic

A non-halogen composite flame-retarding agent for polyolefine plastics is proportionally prepared from aluminum hydroxide, brucite powder, whitened coated red phosphorue, resorcin biphosphate, ammonium polyphosphate and zinc borate.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

A kind of flame-retardant water-resistant polyurethane adhesive and preparation method thereof

The invention discloses inflaming retarding water-tolerant polyurethane tackiness agent which is characterized by comprising following components by weight ratio: 88%-92% hydroxyl polyurethane resin, 5.5%-10% isocyanate group (NCO) enclosed type diisocyanate-trimethoprim (TMP), 1.5%-2.5% sodium dodecyl sulfate and 0.5%-1.5% phosphonolipid fire retardant thiamine pyrophosphate (TPP). The invention further discloses a preparation method of the inflaming retarding water-tolerant polyurethane tackiness agent. NCO enclosed type diisocyanate-TMP addition product aqueous dispersion is adopted, reaction of self de-enclosing NCO perssad with hydroxyl-terminated prepolymer is utilized to achieve solidification, and a strong chemical bond is formed to enable the tackiness agent to have the advantages of being strong in binding power, good in water tolerance, washable, free-falling, sun-proof, good in thermal endurance, endurable in chemical products and the like. Grade of products is greatly improved, simultaneously, the inflaming retarding water-tolerant polyurethane tackiness agent is simple in use, convenient to operate, environment-friendly, non-toxic, and environment-pollution-free, has inflaming retarding function and no volatile organic compounds (VOC) discharging, and is beneficial to protecting environment and health of using and production persons.
Owner:DONGGUAN SHENGBAO NEW MATERIAL TECH
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