860results about How to "No release" patented technology

The invention discloses a nanometer high temperature resistant thermal insulation and prevention coating. SiO2 aerogel, modified potassium hexatitanate whisker, aluminum silicate fiber, ultra-fine cenosphere, nanometer TiO2 and nanometer Al2O3 are used as a thermal insulation filler. A vacuum thermal insulation layer is formed by nano porous structures of SiO2 aerogel and cenosphere. The aluminum silicate fiber is used as a reinforcing and toughening material. The infrared shading performance of potassium hexatitanate whisker, nanometer TiO2 and nanometer Al2O3 are used as a thermal radiation shielding layer. A silicon resin emulsion and an acrylic emulsion are compounded to be an adhesive. Therefore, the nanometer 600 DEG C temperature resistant thermal insulation and prevention coating is prepared with matching of a variety of functional additives. The nanometer high temperature resistant thermal insulation and prevention coating has the characteristics of scumbling, thermal insulation, waterproofing, anti-crack, anti-corrosion, high temperature resistance, weather-proofing, durability and the like and is applicable to the field of industrial high temperature resistant thermal insulation energy conservation.

The present invention provides a water environment-protecting superthin expanded type steel structure fire-retardant coating. Said fire-retardant coating uses water as dispersion medium, uses flake expandable graphite as expansion reinforcing material, uses one or several kinds of emulsions of acrylic emulsion and others as film-forming material, and its expansion system adopts the ingredients of polyammonium phosphate, pentaerythritol and tripolycyanamide. Said invention also provides its preparation method and concrete steps.

The invention relates to ceramic coating powder the ceramic phase of which is coated by a metallic phase cobalt or / and a metallic phase nickel. The metallic phase cobalt and the metallic phase nickel are obtained by means of a liquid phase reduction method; and the ceramic phase is at least one of titanium carbonitride, titanium carbide, titanium nitride, tungsten carbide, silicon carbide, niobium carbide, tantalum carbide, aluminum oxide, zirconium oxide, magnesium oxide, boron nitride and silicon nitride. A method for preparing the ceramic coating powder is the liquid phase reduction method to carry out a reduction reaction between cobalt or / and nickel ions in a plating solution to generate the metallic phase cobalt or / and nickel which is deposited on the surface of a ceramic core to form the ceramic coating powder; and the process steps are as follows: (1) pre-treatment of the ceramic powder; (2) preparation of the plating solution; (3) liquid-phase reduction reaction; and (4) plating post treatment.

The invention relates to a halogen-free intumescent flame retardant wire / cable insulating material composition. The formula of the materials of the composition is as follows: 60 to 80 percent by mass of polyolefin; 15 to 35 percent by mass of halogen-free intumescent flame retardant; 2 to 10 percent by mass of synergist; 1 to 10 percent by mass of compatilizer; 0.1 to 1 percent by mass of lubricant; and 0.1 to 1 percent by mass of antioxidant. Compared with the prior art, the composition has the advantages that: dosage is low, the flame-retardant property is high, no harmful substances are released and the color cannot be changed in the process of processing and use, and precipitation resistance and water resistance are good. The composition has good flame-retardant property and toughness, and is particularly suitable for use in the fields of wires / cables, electronics / electricity, house decoration, automobile industry and the like which have strict requirement on flame retardance.

The invention discloses a SEBS thermoplastic elastic floor, which comprises the following parts: 100wt% SEBS resin and modifier, 75-125wt% rubber filling oil, 20-60wt% polypropylene, 200-400wt% mineral filler, 0.8-1.2wt% lubricant and 0.45-0.70% aging retarder. The making method comprises the following steps: weighing raw material; blending; graining; squeezing; moulding; obtaining the product with anti-slip, abrasion-proof, noise reduction and weather resistant property; fitting for paving basic ground to replace plastic or rubber floor material.

The invention discloses a four-layer water capsule used for cigarettes and a manufacturing method of the four-layer water capsule. According to the four-layer water capsule used for cigarettes, water-soluble essence serves as an inner layer in the capsule, water serves as a solvent to dilute the essence, sodium alga acid complex compounds serve as the middle layer to wrap the water and the essence, waxy material serves as the third layer to prevent possible permeation of the water in the capsule, and sodium alga acid also serves as raw materials for the outermost layer to form a protection film so that cracking of the waxy layer can be reduced and the efficiency of adding the capsule to cigarettes can be improved. The manufacturing method of the four-layer water capsule includes the steps of wrapping a cigarette additive in a special rubber sheet and manufacturing the capsule through a dropping method. Dropping pills of the cigarette additive are manufactured through a dropping mechanism, used for filter tips and wrapped in tobacco bundles, and the additive or the essence is exposed when the four-layer water capsule is used and pinched broken by hand. The method is simple and practicable in process, simple in device, capable of being directly used for cigarette machining and convenient to popularize and apply. Raw materials are wide in source and low in cost.

A modified benzoxazine resin able to be used for RTM is prepared through feeding low-voscosity benzoxazine intermediate and epoxy resin (or arylacetylene resin) proportionally into a reactor, mixing,reaction at 50-100 deg.C for 5-10 min, adding catalyst, and reaction for 5-10 min. It can also be prepared from low-viscosity benzoxazine intermediate and bimaleimide resin.

The invention relates to a method for finishing the durable function of a cellulose fabric, which comprises the following steps: firstly, soaking or padding the cellulose fabric by using an aqueous solution of a cationic modifier namely a finishing liquor A; secondly, soaking or padding the cellulose fabric in a prepared finishing liquor B; thirdly, treating the cellulose fabric in a water-containing medium solution comprising sodium, potassium or lithium sodium silicate and a textile functional finishing agent; and finally, pre-baking the cellulose fabric at a temperature of between 80 and 100 DEG C, washing the cellulose fabric, and baking the cellulose fabric at a temperature of between 120 and 170 DEG C. The method is simple and safe, has low requirements on the performance of equipment, is easy for industrialization and is suitable for the cellulose fabric, and a fabric prepared by the method has lasting functionalities.

The said polyurethane is prepared through preparing polymer with diisocyanate, hydroxyl-containing oligomer, chain expander with active hydrogen radical and chain expander with carboxylic radical, neutralizer with alkali radical, blocking agent, cross-linking agent and optional catalyst in certain proportion; and subsequent reaction in water to obtain polymer. The polyurethane features the blocking diisocyanate radical and hydroxyl radical and thus shape converting temperature of -30 deg.c to 100 deg.c. In temperature higher than the shape converting temperature, the polyurethane may have its shape converted; in temperature lower than the shape converting temperature, the polyurethane is unchanged in shape; and the polyurethane heated to the temperature higher than the shape converting temperature will restore original shape.

The invention relates to a fluorine-free nano durable super hydrophobicity finishing method for cellulose fabric, which comprises the following steps: (1) preparing hydrous medium solution containing tetra-alkyl ester silicate, polycarboxylic acid and a crosslinked catalyst, oscillating and stirring the hydrous medium solution to obtain SiO2 sol, soaking and rolling the cellulose fabric twice respectively, and curing the cellulose fabric; and (2) preparing non-aqueous solvent solution of alkyl siloxane catalyzed and hydrolyzed by using inorganic acid or organic acid water solution, soaking the cellulose fabric in the solution, and curing the cellulose fabric. The method is simple and safe, has low performance requirement on equipment, is easy for industrialization, and is particularly applicable to the hydrophobicity finishing of the cellulose fabric.

An orthopedic prosthetic joint comprising a joint couple having a first bearing surface made of a poly aryl ether ketone (PAEK) and a second joint component having a second bearing made of a polymer that is softer than the PAEK such as UHMWPE the first and second bearing surfaces in sliding engagement with one another.

The invention relates to a novel RH gunning refractory belonging to the refractory material field. The gunning refractory comprises the following raw materials in weight percent: 50-60% of fused magnesite crude powder, 15-30% of fused magnesite fine powder, 10-255% of chrome ore, 0.5-2% of slaked lime, 1-5% of light calcium carbonate, 1-4% of sodium hexametaphosphate, 2-55% of borax, 2-4% of silica powder, 0.5-4% of sodium tripolyphosphate and 0.005-0.1% of carboxymethylcellulose; and the raw materials are evenly mixed in a stirring device to obtain a finished product. The RH gunning refractory prepared from the raw materials provided by the invention is low in production cost, resistant to erosion and good in impermeability; an RH insert tube after being subjected to gunning maintainmentcan be used more than 85 times and the RH insert tube can be used for 5-6 furnaces after every time of gunning maintainment; the service life of the RH insert tube is obviously prolonged and the production efficiency is greatly improved; and in the use process, no harmless gas gives out, no peculiar smell is produced and no thick smoke is generated; and therefore the novel RH gunning refractory completely meets specified environmental indexes and utilization requirements..

The invention provides a composite material of environmental protection wall module, which mainly consists of a plant fiber, a self-made biomass adhesive, a moisture proofing agent, a biomass perfume etc., wherein the plant fiber comprises various crop straws and smashed sawdust which is cut into a length of 1 to 8 cm; the self-made biomass adhesive comprises a modified corn starch adhesive, a tapioca starch adhesive, a soybean crude protein adhesive and a trash for sugar beet processing; the moisture proofing agent is a calcium oxide; the perfume includes lavender, camphor tree particulate and argy wormwood. The wall consists of an internal wall surface and an external wall surface wherein the internal wall surface is abrasive, which is easy to ensure surface to be finished when in interior decoration; furthermore, the perfume such as the lavender, the camphor tree particulates and the argy wormwood etc. are added, so that a fragrance generated from the perfume gives out slowly when the wall is in use, and the goal of beautifying the indoor air environment and anti mosquitoes are achieved. The external wall surface is fine sand coated to form a smooth and rigid housing which can improve the strength of the surface and be good for ventilation of outer atmosphere. The production flow comprises straw pre-treatment, cutting off, batching, adhesive spraying, burden distribution, repressing, hot pressing and modular processing. The production process meets the integral idea of sustainable development, which is characterizes in the outstanding energy saving effect, the simple technology and the low cost. The material prepared has light weight, excellent environmental protection performance and outstanding water and fire proof performance. The production material has wide source, which is characterized by the high strength, good tenacity and excellent seismic behavior.

The invention discloses a water-based mold release and a preparation method thereof and release paper prepared by utilizing the water-based mold release. The mold release comprises the following raw materials by weight: 1 to 50 parts of organosilicone monomer, 1 to 50 parts of vinyl end-capping agent, 1 to 50 parts of alkyd resin, 1 to 10 parts of emulsifying agent, 1 to 10 parts of catalytic agent, 100 to 160 parts of deionized water, 0.1 to 10 parts of pH value conditioning agent, 1 to 10 parts of cross-linking agent and 0.01 to 1 part of platinum-based catalytic agent. The mold release has the advantages that the raw materials are cheap and easy to get; the preparation method is simple; the used mold release layer takes water as a dispersing agent; no organic solvent is released; the mold release is safe and environment-friendly; the release paper prepared by utilizing the mold release is short in thermosetting time, and is suitable for industrialized production; the prepared release paper is good in property.

A tannic acid modified soybean powder adhesive and the preparation method are provided, which relates to an adhesive and the preparation method. The invention solves the problems of poor water resistance, high alkaline and strong corrosion of the current soy-adhesive. Based on the weight portion, the product of the invention consists of 100 soybean powder, 600 water and 2 to 14 tannic acid. The preparation method is as follows: the soybean powder is dissolved in the water of 30 DEG C. to 35 DEG C. and insulated in the water for 3min to 8min, and is added with tannic acid solution to react for 10min to 20min under the temperature of 30 DEG C. to 35 DEG C. after stirring evenly. Compared with the prior art, the invention has the adhesive with low pH value, reduces the stimulation and corrosion on the bonded materials and the production workers and the production cost and increases the bonding strength. The soybean powder adhesive manufactured by the invention can be used for the production of the plywood and other packing materials and has no formaldehyde releasing, low corrosion and good water resistance, which belongs to the environmental adhesive with high bonding strength, safe use and simple production technology.

The invention relates to a polysilane-containing aryne resin represented as right, wherein n is 0-20, x and y are 0-20, R1, R2, R3 and R4 are CH3 and C6H5, or R1 is H, R2, R3 and R4 are CH3 and C6H5, or R1 and R3 are H, R2 and R4 are CH3 and C6H5. The preparation method of polysilane-containing aryne resin uses aryne Grignard reagent to be reacted with terminated chlorine polysilane, while terminated chlorine polysilane is prepared by chlorination process and sodium condensation method. The inventive polysilane-containing aryne resin has better processing character, mechnical character, heat endurance, oxidation resistance and fire-retardancy, which can form ceramic material in high temperature and own better cementation with reinforcing fiber, with wide application in resin substrate and ceramic boving precursor.

The invention discloses a benzoic acid modified waterborne alkyd resin and a preparation method thereof and also discloses an application of the benzoic acid modified waterborne alkyd resin in preparing benzoic acid modified waterborne alkyd amino resin baking varnish and an application method thereof. The benzoic acid modified waterborne alkyd amino resin baking varnish as waterborne baking varnish for ferrous products has the advantages of good stability and convenient, safe construction, no toxic solvents releasing, and the like, also has good gloss, weather resistance, water resistance, acid-base resistance, scrubbing resistance, high adhesive force and impact resistance after forming a film and is superior to the traditional solvent-based baking varnish in combination property; and in addition, the invention overcomes the defects of low hardness and poor gloss of the traditional waterborne alkyd resin and has simple and easy manufacturing process, is environmental-friendly and saves the energy by using water as a solvent.

The invention discloses a method for preparing a starch adhesive for timber through emulsion polymerization, and belongs to the technical field of manufacturing methods of adhesives. The method comprises the following steps of: performing acid hydrolysis pretreatment on starch which is used as a main raw material; adding an initiator and an emulsifier into a reaction system; dropwise adding monomer to perform emulsion graft copolymerization; heating to paste; and adding auxiliary agents to finally obtain an emulsion starch adhesive for timber with superior performance. Compared with the conventional starch adhesive for timber prepared by using suspension polymerization, a product prepared by the method has the advantages that: the appearance, the adhesion strength and the stability are all obviously improved; the comprehensive performance reaches and even exceeds the level of the conventional commercially available high-grade white latex; the product can be applied to timber adhesion well; and a timber product adhered by the starch adhesive releases no toxic or harmful gases.

The invention discloses a starch adhesive for environment-friendly timbers and a preparation method thereof. The preparation method comprises the following steps of oxidizing a starch emulsion under the effect of sodium hypochlorite and obtaining oxidized starch through first-step reaction; adding a cross-linking agent into the oxidized starch, enabling the oxidized starch to perform graft copolymerization modification reaction with acrylamide and comonomer of acrylic ester under the effect of the cross-linking agent and obtaining cross-linked oxidized adhesive liquid through second-step reaction; reducing the temperature to be room temperature, then adding a packing and a preservative into the cross-linked oxidized adhesive liquid and finally obtaining the starch adhesive for the environment-friendly timbers. The starch adhesive for the environment-friendly timbers is low in cost and environment-friendly, has the advantages of being good in storage stability and water resisting property, high in bonding strength and the like, can be widely used for timber decoration and bonding of multiple-layer plywoods, shaving boards, artificial boards and other timber adhering products.

The invention discloses a polyhedral oligomeric silsesquioxane (POSS) contained environment-friendly inflaming retarding wood adhesive which is composed of the following raw materials of, by weight, 60%-70% of water glass, 5%-8% of POSS, 10%-15% of silica sol, 3%-4% of zinc aluminate, 3.5%-5.5% of calcium sulfate whisker, 5%-10% of nano-magnesium oxide and 0.5%-1% of a coupling agent. The adhesive has the advantages of being flame resistant, high in adhesive force, good in water resistance, anticorrosion, environment-friendly, non-toxic and capable of inhibiting smoke and can be used for adhering various wood materials. The invention further provides a preparation method of the flame resistant adhesive, and the preparation method is simple in operation and easy to control.

The invention discloses a graphene oxide composite polycarboxylate water reducer, which is characterized by being prepared from the following raw materials and ingredients in percentage by mass: 0.1 to 2 percent of graphene oxide, 25 to 40 percent of methyl allyl polyethenoxy ether, 1.5 to 4 percent of acrylic acid, 2 to 5.4 percent of maleic anhydride, 50 to 70 percent of water, 0.4 to 1 percent of oxidizing agent of ammonium persulfate and 0.1 to 0.2 percent of reducing agent of sodium hydrosulfite. The monomer methyl allyl polyethenoxy ether, the acrylic acid, the maleic anhydride and the graphene oxide are uniformly mixed and take polymerization reaction under the initiation effect of the oxidizing agent and the reducing agent, so that the graphene oxide composite polycarboxylate water reducer is obtained. The graphene oxide composite polycarboxylate water reducer has the advantages that the dispersibility of the graphene oxide in concrete application can be effectively improved; under the condition of achieving the same intensity improving effect, the consumption of the graphene oxide in the concrete application can be reduced; the mechanical property of concrete is further improved.

This invention provides an underground gas plugging coating in coal mine, consisting of an individually packaged liquid material and a powder material in the weight ratio of 0.3 to 0.45: 1; wherein the powder material comprises the following components by weight percentage: 30% to 45% of concrete, 30% to 40% of quartz powder, 5% to 10% of talcum powder, 5% to 10% of flyash, 7% to 13% of aluminium hydroxide, 0% to 4% of magnesium hydroxide, 2% to 4% of ammonium polyphosphate, 1% to 2% of melamine, 1% to 2% of pentaerythritol and 1% to 1.5% of carbon fiber; the liquid material is flexible styrene-acrylate emulsion or flexible pure acrylic emulsion. The coating is characterized by flame retardancy, antistatic property, watertightness, tight bonding with the coal wall and elasticity, further more, can prevent the gas from leaking after being sprayed on the coal wall, and reduce the gas concentration in the laneway.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery. The lithium ion battery comprises a positive plate, a negative plate, an isolating membrane spaced between the positive plate and the negative plate and electrolyte, wherein the positive plate comprises a positive current collector and a positive active material layer arranged on the surface of the positive current collector; the positive active material layer comprises components in percentage by mass as follows: 98.1%-99.8% of positive active materials, 0.1%-1% of a positive conductive agent and 0.1%-1% of a positive adhesive; and a negative conductive agent comprises at least one of carbon fiber, carbon nano tubes, carbon nanorods and graphene or a mixture of carbon black with at least one of carbon fiber, carbon nano tubes, carbon nanorods and graphene. Compared with the prior art, the energy density of the battery and the high-power charge and discharge characteristics of the battery are improved under the premise that a diaphragm isn't separated.

A light-weight foamed wall slab is prepared from magnesium oxide (1070 wt. portions), magnesium chluride (60-70), water (20-50), stabilizer (5-26), short fibres (2-15), modifier (1.65-9), foaming agent (0.8-8), and water-resisting agent (0.15-1) through mixing while stirring, foaming and solidifying. Its advantages are high effect, low cost of modifier, light dead weight, high strength, and low cost.

The invention discloses waterborne epoxy impregnating insulating varnish and a preparation method thereof. The waterborne epoxy impregnating insulating varnish is water-borne epoxy latex formed by epoxy resin, water, latent curing agents, accelerant, epoxy emulsifier, a polyvinyl alcohol water solution, other auxiliaries and the like, and the water-borne epoxy latex is free of VOC, good in stability, low in curing temperature and high in speed. The waterborne epoxy impregnating insulating varnish is simple in preparation method and low in cost and meets industrial production and application requirements.

The invention discloses an emulsion type wood starch adhesive and a preparation method thereof, which belongs to the technical field of adhesive preparation. With high-concentration starch milk as a main raw material, an emulsion type wood starch adhesive with a high solid content is prepared by a binary seed method. Compared with wood starch adhesives prepared by a traditional process, the product prepared by the preparation method is high in solid content, high in drying speed, good in film-forming property and high in bonding strength, and the comprehensive performance of the product reaches or exceeds the level of the currently commercially available high-quality white latex, so that the product can be widely applied to wood decoration and adhesion of artificial boards and plywood.

The invention relates to a flame-retardant material and a production process thereof, in particular to a flame-retardant roll type curtain and a production process thereof. Both the front and the back of the curtain fabric of the flame-retardant roll type curtain have a colorless and transparent flame-retardant coating. Slurry for the flame-retardant coating comprises the following components in percentage by mass: 10 to 40 percent of environmentally-friendly flame-retardant agent, 10 to 45 percent of environmentally-friendly nanometer adhesive, 2 to 5 percent of thickener and 45 to 78 percent of water. The roll type curtain has an excellent flame-retardant property, and a GB5455 vertical burning method is adopted for an flame-retardant test, and the flame-retardant property of the roll type curtain reaches above B2 level when assessed according to 6817591; the curtain is free of solvent volatilization pollution, formaldehyde, alkylphenol ethoxylates (APEO), or toxic gas released in the process of burning; the production process is simple, can realize continuous production without any special equipment, and also can be combined with other processes for one-step implementation.

The invention discloses a polyurethane adhesive for compositing a two-component PVC plate. The adhesive is composed of a component A and a component B according to the mass ratio of (1-4):1, and the component A is composed of, by weight, 10%-25% of castor oil, 10%-20% of polyether polyol, 1%-5% of coupling agent, 0.5%-2.5% of fumed silica, 30%-60% of filler and 5%-10% of drying agent; the component B is composed of, by weight, 50%-80% of isocyanate, 5%-15% of polyether polyol, 10%-30% of polyester polyol and 1%-4% of chain extender. A preparation method of the polyurethane adhesive for compositing the two-component PVC plate comprises the following steps of preparation of the component A, preparation of the component B and mixing of the component A and the component B. The polyurethane adhesive is used for bonding PVC with a plate. The polyurethane adhesive has the advantages of being free of solvent evaporation, large in initial adhesion, excellent in adhesive force on PVC, high in strength, wide in environmental adaptability, long in storage life, high in stability, environmentally friendly in raw material, capable of obtaining the raw materials conveniently and the like.

The present invention discloses an 8-methyl cage-shaped silsesquioxane resin with a structure as shown in the figure. The resin has the following characteristics: 1) the structure of the synthesized resin can be controlled; 2) the resin is solid at the room temperature; the softening point is low; the resin can be dissolved in a plurality of common solvents; and the application is convenient; 3) the resin can do the solidification reaction with the influence of heat, irradiation, or even light to form a highly cross-linked polymer; and no small molecules are released in the solidification process; 4) the solidified resin has good mechanical properties, excellent chemical resistance and high heat resistance or heat-resistant oxidation, that is, the high temperature of thermal decomposition and the residual rate of thermal decomposition; 5) the resin has good dielectric properties and thermal insulation properties after solidification; 6) the resin can do the ceramic reaction; 7) the resin and the fiber have good bonding performances. The mechanical properties of composite material are good.

The invention relates to a bionic self-healing material for air leakage stoppage in a coal mine. The bionic self-healing material comprises a fast-setting expanding material, microcapsules containing a healing agent, and a catalyst, wherein the fast-setting expanding material comprises several of a cement clinker, coal ash, steel slag, mountain flour, salty mud, carbide slag, an expanding agent, a water reducing agent and sand, and each microcapsule is composed of a wall material (polymer resin) and a core material (the healing agent); the wall material of each microcapsule is at least one of urea resin, melamino-formaldehyde resin, melamine urea-formaldehyde resin and polyurethane, the healing agent is at least one of olefins containing double bonds, such as polyurethane prepolymer, isocyanate, phenolic resin, epoxy resin, styrene, acrylics and dicyclopentadiene (DCPD), and the catalyst is at least one of Grubbs catalyst, dibutyltin dilaurate and amines. The bionic self-healing material for air leakage stoppage in the coal mine disclosed by the invention has the advantages of being automatic in detection and healing, moderate in expansion, fast to set, good in conveying performance, strong in setting performance, green and environmentally friendly, and low in price.