24 results about "Solid content" patented technology

The present invention discloses an aqueous primer composition comprising: (A) an aqueous dispersion of a non-chlorine-based modified polyolefin comprising the dispersion of an unsaturated carboxylic acid- or acid anhydride-modified polyolefin (a), having a melting point of 120° C. or lower and a weight average molecular weight within the range of 50,000 to 150,000, in an aqueous medium; (B) a water-soluble or water-dispersible polyol resin; and (C) a pigment, wherein the solid content weight ratio of component (A) to component (B) is within the range of 20/80 to 85/15, and component (C) is contained within the range of 0.5 to 200 parts by weight based on 100 parts by weight of the total resin solid content in the composition; and a method for coating a plastic molded product using the aqueous primer composition.

The invention relates to a reactor of a Fischer-Tropsch synthesis slurry bed, and the reactor comprises a reaction zone, a reactor inlet, a reactor outlet and a diameter extension section arranged at the upper part of the slurry bed, and the diameter extension section includes a settling section, a washing section and a defoaming section. The invention also provides a Fischer-Tropsch synthesis process, which is characterized in the use of the slurry bed reactor. The slurry bed reactor and the process can obviously reduce the solid content in products, and can also reduce the particle size of products.

The invention relates to a preparation method of carboxyl-terminated hyperbranched polyester modified organic silicon resin. The method comprises the following steps of: after heating 40 to 60 weight percent of carboxyl-terminated hyperbranched polyester, 1 to 10 weight percent of 3-glycidoxypropyltrimethoxysilane, 30 to 50 weight percent of organic silicon resin and a cross linking catalyst of which the weight percent is 1 to 10 percent of that of the carboxyl-terminated hyperbranched polyester for 1 to 3 hours at the temperature of 110 to 130 DEG C, warming to the temperature of 150 to 180 DEG C and heating for 1 to 3 hours; and finally, reducing the temperature to the room temperature and adding an organic solvent to regulate the solid content to the range of 60 to 70 percent so as to obtain the carboxyl-terminated hyperbranched polyester modified organic silicon resin. The method combines the advantages of the carboxyl-terminated hyperbranched polyester with the organic silicon resin and excellent heat resistance, excellent metal adhesion, low surface energy, excellent boiling resistance and excellent acid resistance are obtained. The resin prepared by the method disclosed by the invention can be used for preparing a coating with high temperature resistance and low surface energy.

The invention provides a preparation method of catalyst slurry for fuel cell coating, which includes: successively adding catalyst particles, deionized water, a proton exchange membrane solution, alcohol and a stabilizer into a container, and uniformly mixing and dispersing the component to prepare the catalyst slurry, which is 8-28% in solid content and 50-500 mPa*s in viscosity. The mass percentage of the catalyst particles is 6-21% and the mass percentage of the stabilizer is 0.5-5%. The invention also provides the catalyst slurry for fuel cell coating. The preparation method is simple andavailable, is simple in stirring and dispersion and can shorten the whole preparation time. The catalyst slurry is high in viscosity and solid content and is suitable for preparing a membrane electrode in a coating manner.

The invention relates to 1,4-di(2,4-diamino phenoxy) benzenoid form high-temperature epoxy adhesive and a preparation method thereof. The adhesive consists of a component A and a component B in a mass ratio of 1:1-2, wherein the component A is a co-polymer formed by the reaction between 1,4-di(2,4-diamino phenoxy) benzene and epoxy resin; and the component B is a homogeneous transparent solution which has the solid content being 15-30 percent and is formed by the reaction between 1,4-di(2,4-diamino phenoxy) benzene and binary acid anhydride in strong polar aprotic organic solvent and toluene. The preparation method comprises the following steps of stirring and uniformly mixing the component A and the component B at room temperature in a mass ratio of 1:1-2. The preparation process is simple, and the adhesive is excellent in comprehensive performance, so that the adhesive can be widely applied to adhesion among steel, copper, aluminum and other metals, as well as ceramic, glass, resin-based composite materials and other base materials, and has an excellent industrial prospect.

The invention discloses a novel hemostatic fabric which is composite fabric formed by ultra-haemotropic fabric and an ultra-haemo-phobic fabric layer or is a layer of fabric with one side being ultra-haemotropic and the other side being ultra-haemo-phobic and with the two sides different in blood wettability and discloses a preparation method of the fabric.According to the novel hemostatic fabric, on one hand, by means of ultra-haemotropic performance of the fabric, water in blood is fast and efficiently absorbed, the blood solid content is fast increased, so that blood coagulation can be promoted; on the other hand, by means of ultra-haemo-phobic performance of the fabric, the fabric forms negative pressure on the contact face with blood, blood will not perform wettability or permeate, and it is avoided that too much blood is absorbed.Compared with traditional hemostatic fabric, the novel hemostatic fabric is simple, convenient and fast in preparation method, hemostasis is fast, the bleeding amount of a wound can be greatly reduced, it can also be avoided that blood and interstitial fluid bleed out and contaminate other wounds, and when a wound is severe, the cardiac arrest time can be delayed to a certain extent.

The invention relates to the field of nano materials and particularly relates to a mildew-resistant and antibacterial nano-silver decorative laminated board. The mildew-resistant and antibacterial nano-silver decorative laminated board is formed by a decorative veneer and a base material which are bonded by an adhesive layer, wherein the decorative veneer and the base material are dipped by nano aqueous solution; the adhesive layer contains nano-silver substances; the decorative veneer and the base material are made of technical wood; the nano-silver aqueous solution is formed by adopting deionized water as a solvent, adopting nano silver as solute to be dissolved into the deionized water, adopting acrylic resin as a complexing agent and a stabilizing agent to be dissolved into the deionized water, and adding a dispersing agent and a first reducing agent simultaneously; the concentration of nano silver in the adhesive is 75-150ppm; the mass content of flour in solution is 18-45%; environmental-friendly glue comprises the following materials in parts by weight: 40-80 parts of acrylic resin solution emulsion with the solid content being 40-55%, 20-40 parts of acrylic resin powder, 5-20 parts of EVA emulsion with the solid content being 40-60%, 1-4 parts of dibutyl phthalate and 7-13 parts of chlorinated polypropylene or polyolefin substrate adhesive-force promoter. The mildew-resistant and antibacterial nano-silver decorative laminated board has the advantages that the stability and the dispersibility are good and the mildew can be fully resisted.

The invention discloses a preparation method for silicone-acrylic miniemulsion. The preparation method comprises the following steps: mixing acrylate monomers, organosilicone monomers and a stabilizer, stirring until complete dissolution, and obtaining an oil-phase mixture, wherein the organosilicone monomers include non-functional organosilicone monomers and functional organosilicone monomers, and the non-functional organosilicone monomers include methyltrimeth(eth)oxysilane, propyltrimeth(eth)oxysilane or phenyltrimeth(eth)oxysilane; dissolving an emulsifier and water, and stirring uniformly to obtain a water-phase mixture; adding the oil-phase mixture into the water-phase mixture, producing a hydrolysis-emulsification reaction, performing ultrasonic miniemulsification, and producing a miniemulsion polymerization reaction of a mixed solution in an oxygen-free condition at 50-70 DEG C to obtain the silicone-acrylic emulsion. The preparation method is used for performing miniemulsion polymerization on a monomer system consisting of the non-functional organosilicone monomers, the functional organosilicone monomers and the acrylate monomers, the prepared silicone-acrylic miniemulsion is relatively high in both silicon content and solid content, and the coagulation rate can be reduced to 0%.

The invention relates to the technical field of modified emulsified asphalt for road engineering, and particularly relates to modified emulsified asphalt for a superthin wearing course. The emulsified asphalt is prepared from the following components in percentage by weight: 45.0-68.0 percent of asphalt, 3.0-4.0 percent of an emulsifying agent, 0.25-0.45 percent of a cationic quick breaking emulsifying agent, 0.5-2.0 percent of a stabilizing agent, 1-5 percent of auxiliary and the balance of water. By adopting the scheme, the modified emulsified asphalt for a superthin wearing course is prepared, has a solid content of more than 67 percent, is quick in emulsion breaking speed, is capable of generating a relatively thick asphalt film after emulsion breaking, and has excellent adhesive performance and waterproofing performance, wherein the dynamic viscosity at 60 DEG C of evaporated residues of the emulsified asphalt is more than or equal to 1800Pa.s.

The invention provides an oily sewage and sludge separation device, which comprises a reactor and a magnetic muddy water separator, wherein the reactor comprises a reactor tank body with a revolved structure; a first liquid inlet pipe is arranged on the side wall of the reactor tank body; a first liquid outlet is formed on the bottom of the reactor tank body; the magnetic muddy water separator comprises a separator box body; a disk shaft is rotatably arranged in the separator box body; at least one disk is fixedly connected to the disk shaft; a magnetic body is arranged on the disk; mud scraping boards are evenly arranged on two sides of the disk and are contacted and matched up with the side wall of the disk; and the first liquid outlet is communicated with the separator box body. The scheme is simple in structure, the sludge and sewage are reacted with agents in the reactor, flocculent precipitate is formed and then is discharged in the separator box body, and the precipitate is adsorbed on the disk to be separated from water, so that the removal rate and the removal efficiency of the precipitate are high, good water treatment effect is achieved, discharged water can reach A1 standard of national regulation, and the solid content of the removed precipitate is not less than 35%.

The invention relates to a polyvinyl alcohol water-based architectural paint which is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl alcohol, 10-20 parts of benzaldehyde, 5-15 parts of lithopone, 15-25 parts of hypnone, 1-10 parts of zinc oxide, 30-40 parts of paraffin, 50-60 parts of deionized water, 20-30 parts of benzoic acid, 15-25 parts of pigment, 30-40 parts of nitrocellulose, 25-35 parts of sodium hexametaphosphate, 35-45 parts of ethanol, 5-10 parts of plasticizer, 25-35 parts of ethyl acetate, 15-25 parts of talcum powder and 20-30 parts of triethanolamine. The product can not cake after being stored for 6-10 months, and the solid content is 35-45%. The surface drying time is 40-50 minutes, and the solid drying time is 20-22 hours. The paint does not have any abnormity after being immersed in saturated calcium carbonate for 10-20 days. The wiping resistance of the coated film is 2600-2800 times; and the paint can be widely produced and continuously substitute the existing materials.

The invention provides a preparation method and a preparation system of a solar photovoltaic backboard. The method comprises the following steps: setting tension parameters of a base material and a covering film, and controlling the continuous operation speed of the base material and the covering film to be 10-600m/s; coating a solvent-free adhesive with the solid content of 100% to one surface of the base material or the covering film through an adhesive melting roller and a transfer roller in sequence to form a gummed base material; and attaching the side, containing the solvent-free adhesive, of the adhesive-coated base material and the non-adhesive-coated covering film or the base material to each other through a composite roller, and then winding and curing to obtain the photovoltaic backboard. According to the preparation method, the solvent-free adhesive is adopted as an adhesive, good matching with a base material and a covering film is achieved through process control, multiple layers are bonded permanently and firmly, the composite process is stable, solvent evaporation is not needed, environment friendliness and energy conservation are better achieved, and the working procedure is simpler.

The invention discloses a method for preparing a wollastonite toughened epoxy resin. The method comprises the following steps: (1) hydrolyzing a silane coupling agent in a mixed solution of absolute ethyl alcohol and deionized water, adding the solution into a flask, and adding wollastonite; (2) placing the flask in a water area, conducting reaction under electromagnetic stirring, performing suction filtration on the mixed solution, and drying the precipitate in a vacuum oven; (3) grinding the dried modified wollastonite in a planetary ball mill, thereby obtaining the modified wollastonite; (4) mixing the modified wollastonite and a bisphenol A epoxy resin 127, and grinding through a three-rod grinder for 3 hours, thereby obtaining a master batch with solid content, wherein the rod spacing of the grinder is 15pm, the grinding time is 2 hours, and a mass ratio of the modified wollastonite to the epoxy resin is 2:3; (5) uniformly mixing the epoxy resin, methyl tetrahydrophthalic anhydride and modified wollastonite master batch, and adding an initiator BDMA, a release agent silicone oil and an antifoaming agent BYK-530 for mixing, so that the stability of the modified wollastonite in the epoxy resin system is improved.

The present method discloses dragon fruit pulp and a concentration time shortening preparation method thereof. The method comprises the following steps: 1) pretreating: fresh dragon fruits are selected and the selected dragon fruits are washed; 2) beating: the washed fruits are sent into a beating machine to be beat into slurry; 3) heating and degumming: the beat slurry obtained in the step 2) is heated, floating foams are removed, and sediments of the slurry are filtered; 4) material blending and concentrating: white granulated sugar and xanthan gum are mixed evenly to obtain a mixture, then the mixture is added into the materials obtained in the step 3) at the same weight of the mixture, a continuous stirring is conducted when the addition is conducted, the mixture is heated to 100 DEG C, the temperature is kept for 5 minutes, then the heated mixture is cooled to 4-7 DEG C within 5 minutes, the obtained materials are concentrated to a certain solid content, the concentrated materials are filtered, and the filtered materials are taken out from a pot; and 5) the materials are filled, the filled materials are sterilized and the sterilized materials are packaged.

The invention discloses a material extrusion type 3D printing method, and relates to the technical field of additive manufacturing, and the material extrusion type 3D printing method comprises the following steps that a supporting material and printing slurry are prepared separately, the printing slurry is inorganic non-metal resin-based slurry or metal powder resin-based slurry, so that the printing slurry is suspended in the supporting material, and the supporting material is prepared; the solid content of the printing slurry is greater than or equal to 40%; a supporting material is loaded into a container, and the container loaded with the supporting material is placed on a printing platform; printing slurry is extruded from the supporting material in the container through a 3D printer based on a preset target design model; and determining a target curing treatment mode according to the light transmission of the support material, and performing curing treatment on the printing slurry according to the target curing treatment mode to obtain a target model. The technical problem that in the prior art, due to limitation of material extrusion type 3D printing on printing materials, the performance of the printing materials is poor is solved.

The invention belongs to the technical field of water-soluble polymer material, and in particular relates to a preparation method of a high-solid content polypropylene papermaking reinforcing agent. According to the method, raw materials such as acrylamide, crylic acid, ammonium persulfate and sodium sulfite are adopted to prepare a papermaking reinforcing agent through an aqueous solution polymerization technology, so that problems of low solid content and poor water solubility in the prior art are solved. By utilizing the preparation method, the polymer molecular weight and solid content are improved, the transportation cost and production cost are effectively lowered, and the obtained product has reinforcing, retension and dispersing effects and good dissolvability and can be completely dissolved in the water after soaking in the water, so that the utilization rate of the product is increased, and the product has a wide market prospect and an obvious economic benefit.

The invention relates to a filter material used for sewage treatment and particularly relates to a high-efficient composite filter material prepared by blending melt-blown polypropylene with modified pseudo-boehmite and used for sewage treatment and a preparation method thereof. The filter material is prepared from following raw materials, by weight: 1-2 parts of manganese sand in 200-300 meshes, 15-18 parts of micro powder of pseudo-boehmite in 200-300 meshes, 30-35 parts of polypropylene, 1-2 parts of a titanate coupling agent, 0.4-0.5 parts of sodium lignin sulfonate, 1-2 parts of polyether-modified silicone oil, 8-10 parts of nano bamboo charcoal powder, 1-2 parts of yttrium sol being 8-10% in solid content, 0.01-0.02 parts of lanthanum-series rare earth salt and 30-40 parts of water. In the invention, the modified pseudo-boehmite-based composite micro powder is supported onto the modified polypropylene master batch melt-blown filaments to prepare the filter material having a stereoscopic network structure. The filter material is excellent in purification effect, is stable and high-efficient in performances, is changeable in shape, is not liable to damage and can be used repeatedly.

The invention relates to the technical field of wood paint and particularly relates to acrylic resin for water-borne wood paint finishing coat, and aims to provide water-borne wood paint finishing coat which has the advantages of high solid content, low viscosity, high hardness, fast drying and high fullness. The acrylic resin is mainly prepared from the following raw materials in parts by weight:10-20 parts of methacrylic acid, 5-15 parts of methyl methacrylate,10-20 parts of n-butyl methacrylate, 15-25 parts of isobornyl methacrylate, 5-15 parts of 2-hydroxypropylmethacrylate, 25-35 parts of cycloaliphaticacrylate, 0.5-2 parts of initiator, 3.75-28 parts of silane coupling agent and 7.5-15 parts of prepolymer.

The invention provides a system and method for extracting lignin in papermaking black liquid. The system comprises a feeding unit, an ultrafiltration unit, a nanofiltration unit and a water producingunit which are connected in sequence. The system is used for extracting the lignin in the papermaking black liquid, so that the extraction rate of the lignin in the papermaking black liquid reaches 100%, and the purity of the purified lignin can reach 98%. Building of a large quantity useless equipment and energy consumption are avoided, the aim of efficient, stable and low-cost extraction is achieved, the lignin with the molecular weight of 20000 or above and the molecular weight of 200-400 with pigments can be separated in the separation process, the aims of layered collection and precise treatment are achieved, and a very good separation effect is achieved. Meanwhile, compared with generalized channels such as application to a low-grade adhesive, the solid content of the black liquid can be concentrated to 24% from 8%, and the system and method have good application prospects in industrial production and application.

The invention relates to a preparation method of a water-based starch adhesive, the water-based starch adhesive obtained by adopting the preparation method and application of the water-based starch adhesive in bonding of corrugated paper. The water-based starch adhesive prepared by the method provided by the invention ensures high solid content and low water content, reduces viscosity, only needs less adhesive application amount when being applied to opposite mounting and compounding of corrugated paper, can reduce energy consumption of drying, can shorten the processing turnover period of semi-finished products, the production and manufacturing cost can be greatly reduced; the oppositely-mounted composite corrugated board product obtained by applying the water-based starch adhesive disclosed by the invention is higher in composite tearing strength and good in flexibility after being cured into a film; more importantly, the weather resistance is excellent, and the material can be applied in high-temperature and high-humidity environments and can adapt to storage and transportation in the high-temperature and high-humidity environments.