102results about How to "Simple curing process" patented technology

The preparation of novel microemulsions to be used as precursors for solid nanoparticles is described. The microemulsion precursors consist of either alcohol-in-fluorocarbon microemulsions, liquid hydrocarbon-in-fluorocarbon microemulsions, or liquid hydrocarbon-in-water microemulsions. The formed solid nanoparticles have diameters below 200 nanometers and can be made to entrap various materials including drugs, magnets, and sensors. The solid nanoparticles can be made to target different cells in the body by the inclusion of a cell-specific targeting ligand. Methods of preparing the novel microemulsion precursors and methods to cure solid nanoparticles are provided.

The invention discloses a preparation method of a supported noble metal catalyst. According to the method, a precursor solution is prepared from noble metal used as an active ingredient and evenly mixed with supporters; a liquid reducer is added, noble metal ions which are adsorbed or ionized on surfaces or in holes of the supporters are reduced, the noble metal is applied to the supporters in the reduced state, and mixed slurry is obtained; a cordierite matrix or a metal matrix is coated with the mixed slurry, and the supported noble metal catalyst is obtained through calcination; the noble metal is one or more of Pt, Pd, Rh, Au, Ag and Ru and serves as a raw material in forms of nitrate, chloride and an organic complex. Compared with the prior art, the method has the advantages that the noble metal is already reduced and solidified in the supporting process, and conditions that the dispersity of the noble metal is reduced and the activity is reduced due to the fact that the noble metal is gathered on the surfaces of the supporters due to migration caused by water migration in the drying process can be avoided. Besides, the dispersity of the noble metal on the supporters is good, and the sintering probability of the noble metal in the high-temperature ageing process is decreased.

The invention relates to a pollutional acid sludge harmless treatment method, and belongs to the technical field of environmental protection. Dried pollutional acid sludge and a solidification material composed of common Portland cement, coal ash, slag and river sand are subjected to mixed ball-milling, stirring, casting molding and maintenance in cooperation of additives and water to form a cement solidified body which is good in gelatinization state and low in arsenic leaching concentration. The pollutional acid sludge harmless treatment method has the advantages of being simple in process, low in production cost, safe and effective; industrial waste residue is used as the solidification material to achieve the purpose of treating waste with waste, and therefore the pollutional acid sludge harmless treatment method has obvious economic benefit and environmental benefit.

The invention relates to hybridization liquid precursor, a preparing method and a method for preparing ZrC-SiC superhigh temperature ceramics and composite materials of the ZrC-SiC superhigh temperature ceramics through the hybridization liquid precursor. Solid PZC precursor and carbon-rich vinyl adopted to replace liquid polycarbosilane (LPCS) precursor serve as raw materials for the first time and are processed in a hybridization mode to synthesize the brand new hybridization liquid precursor which is low in viscosity, adjustable in component, low in solidifying temperature, good in dipping performance, free of toxicity, harmless and high in productivity, organic solvent does not need to be added to the hybridization liquid precursor, the hybridization liquid precursor can be used for preparing the ZrC-SiC superhigh temperature ceramics and the composite materials of the ZrC-SiC superhigh temperature ceramics, and according to the thermogravimetric analysis, the ceramic productivity of the hybridization liquid LPCS-PZC ceramic precursor is more than 69 percent. The percent conversion of the ZrC-SiC superhigh temperature ceramics or the percent conversion of the fiber-reinforced ZrC-SiC superhigh temperature ceramic composite material ceramic is high, the technology is simple, and the high-temperature oxidation resistance of the obtained materials is good.

The invention relates to triazine-containing benzoxazine, a triazine-containing benzoxazine polymer, and a preparation method thereof. The preparation method is characterized by: adopting cyanophenol as a raw material; adopting trifluoromethanesulfonic acid or trifluoroacetic acid as a catalyst; synthesizing triazine-containing trihydric phenol (TP for short) in dichloromethane or chloroform or acetone at a common temperature; adopting the synthesized TP, formaldehyde and aminated compounds as reaction raw materials; adopting a alkali as the catalyst, and carrying out a reaction in a alcohol solvent or a ether solvent to synthesize a series of triazine-containing polycyclic benzoxazine monomers (BZ for short) which have not been reported; heating the BZ to carry out a ring-opening polymerization to form polybenzoxazine (PBZ for short). A structural formula of the monomer BZ is shown as follow, substituents R are shown in the specification. The synthesized novel monomer provided by the present invention contains a triazine ring structure, such that the triazine content in the PBZ resin can be substantially raised so as to notably improve heat resistance, residual carbon rate, fire resistance property and wave transmission property of the PBZ.

The invention discloses a machine oil resistant, high temperature resistant, and grinding resistant lubricating coating material. It is made up of binding agent, solid lubricant, mix solvent, and assistant agent. The binding agent adopts poly-phenylene thioether resin; solid lubricant adopts polytetrafluoroethylene, mix solvent is the mixture of distilled water and ethanol; assistant agent adopts cyanuric ammonia and cyanuric acid ester complex, antimony trioxide, and rare earth fluoride. It has the advantages of super high bearing capacity, good adaptability to hydraulic pressure and lubricant medium, high temperature resistant, long useful life, etc.

The invention belongs to the technical field of heat insulation, and discloses a heat insulation composite board and a preparation method thereof. The heat insulation composite board comprises a firstpanel layer and a heat insulation layer, and the heat insulation layer and the first panel layer are integrally formed; the first panel layer is a fiber reinforced resin-based composite sheet, a metal plate, a cement plate, a calcium silicate plate or a gypsum plate, and the heat insulation layer is a fiber reinforced aerogel felt. The preparation method comprises the following steps of: (1) flatly laying a fiber-reinforced aerogel felt; (2) paving the first panel layer on the upper surface of the fiber reinforced aerogel felt; and (3) carrying out hot press molding treatment to obtain the heat insulation composite board. The heat insulation composite board provided by the invention can implement a thermal insulation scheme on scenes like pipes, walls and box bodies, and has the advantages of convenient operation, simplicity, feasibility and the like.

An antisticking, antiwear and lubricating paint solidified at ordinary temp and with high load-bearing power is prepared from tetrafluorowax, polyurethane resin, Sb2O3, and melamine-tripolycyanate complex. Its advantages are high hardness, high adhesion, and wide temp range (-50-200 deg.C).

The invention discloses a manufacturing mold of a wind power blade and a flange of the manufacturing mold. The manufacturing mold of the wind power blade comprises an upper mold body and a lower moldbody which are arranged to be opposite mutually; the upper mold body and the lower mold body comprise an upper metal steel frame, a lower metal steel frame and an upper blade mold body and a lower blade mold body which are arranged on the upper and the lower metal steel frames respectively; the manufacturing mold of the wind power blade is characterized by further comprising the flange; the flangecomprises a semi-circular upper flange body and a semi-circular lower flange body which are used for being connected with the upper blade mold body and the lower blade mold body, heating modules arearranged on the upper flange body and the lower flange body respectively, and each heating module comprises a heat conduction part being at least partially pre-buried in the upper flange body and thelower flange body; a plurality of bolt holes are formed in each of the upper flange body and the lower flange body, pre-buried bolt sleeves are arranged on the upper blade mold body and the lower blade mold body respectively, and after the upper mold body and the lower mold body are assembled, the bolt holes of the upper flange body and the lower flange body are fixed with the pre-buried bolt sleeves arranged on the upper blade mold body and the lower blade mold body in an one-by-one corresponding mode; and the flange heats the upper blade mold body and the lower blade mold body through the heat conduction parts. The blade root curing process operation is outstandingly simplified, and the curing efficiency is improved.

The invention provides a photo-cured polyurethane anti-fog film with a controllable soft/hard structure and a preparation method thereof, and belongs to the technical field of polymer materials. The anti-fog film comprises a polyurethane prepolymer with a soft structure, a polyurethane prepolymer with a hard structure, and a crosslinking agent containing a carbon-carbon double bond according to aweight ratio of 100:(5-100):(0.5-5). The provided anti-fog film has a long lasting anti-fog effect, the surface is scratch resistant, the waterproof performance is excellent, the basic material adhesion force is high, the performance and structure can be controlled and adjusted, the cost is low, the technique is matured, and the preparation method is suitable for production.

The invention discloses a curing method for a storage battery. The curing method is characterized by comprising the following steps: putting a positive plate and a negative plate after full-filling on a curing frame in a curing chamber, and carrying out three stages of steam curing, heating curing and drying curing, wherein in the stage of steam curing, under the relative humidity of 99%, the positive plate and the negative plate are cured at the temperatures of 35 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C and 75 DEG C respectively; in the stage of heating curing, at the temperature of 50 DEG C, the relative humidity is 65% and the curing time is 4 h, and at the temperature of 55 DEG C, the relative humidity is 45% and the curing time is 4 h; and in the stage of drying curing, under the relative humidity of 0%, the positive plate and the negative plate are cured at the temperatures of 60 DEG C, 70 DEG C and 30 DEG C respectively. The curing method disclosed by the invention is simple in curing process and easy to operate; and moreover, a pole plate after being cured by the curing method disclosed by the invention is long in service life.

The method relates to a method for curing lead in fouling acid slag. The method is characterized by comprising the following steps that modified magnesium metal slag is added to the fouling acid slag after drying and grinding first, the modified magnesium metal slag and the fouling acid slag are mixed uniformly and then briquetted, and the obtained briquettes are placed in a sintering furnace for heat preservation under the temperature of 500-900 DEG C for 0.5-6 hours and are cooled and taken out. The method is a clean environmental protection treatment method for curing heavy metal Pb in the fouling acid slag, the modified magnesium slag of curing agents is magnesium metal smelting reducing slag, the purpose of waste control by waste is achieved, and therefore cost is low. The curing process for the fouling acid slag is simple, expensive materials are not used, and a project is easy to implement, so that industrialized operation is achieved; secondary waste slag, waste water and waste gas are not generated in the curing process, and the method can be implemented under safe and environment-friendly conditions.

The invention discloses a photoactivity benzoxazine elastomer. The elastomer is prepared from a benzoxazine monomer containing the azo structure and flexible chain segments through a ring opening polymerization reaction; the benzoxazine monomer is prepared from paraformaldehyde, phenol containing the azo structure and primary amine containing the flexible chain segments. A preparation method of the elastomer comprises the steps that (1) paraformaldehyde, the phenol containing the azo structure and a dispersion medium are added into a reaction kettle and stirred for 10-30 minutes at 25-60 DEG C, and then the primary amine containing the flexible chain segments is added slowly; (2) the system is heated to 100-125 DEG C, a reflux reaction is conducted for 4-10 hours, and through separation, the benzoxazine monomer is obtained; (3) firstly, the benzoxazine monomer is subjected to a reaction for 1-5 hours at 160-200 DEG C and then subjected to a reaction for 2-4 hours at 200-260 DEG C, andthe photoactivity benzoxazine elastomer is obtained. The photoactivity benzoxazine elastomer has photoactivity of an azoic compound and flexibility brought by a flexible group compound, keeps the application characteristic of polybenzoxazine and has a wide application prospect.

The invention discloses a weather-proof injection-type bar-planting adhesive tube based on acrylic epoxy resin. The adhesive tube comprises a double-barrel type packaging tube and a sealing cover and/or a static mixer, wherein an opening is formed in the top end of the double-barrel type packaging tube; the sealing cover and/or the static mixer is arranged on the opening; a clapboard is fixedly installed at the bottom in the double-barrel type packaging tube; the clapboard extends to the opening from the bottom of the double-barrel type packaging tube, and divides the double-barrel type packaging tube into a first adhesive tube and a second adhesive tube which are independent from each other; a first rear cover is arranged at the bottom in the first adhesive tube, and a second rear cover is arranged at the bottom inside the second adhesive tube; and acrylic epoxy resin, an inorganic material and an accelerant mixture are filled in the first adhesive tube, and a peroxide curing agent is filled in the second adhesive tube. The bar-planting adhesive prepared by the weather-proof injection-type bar-planting adhesive tube based on acrylic epoxy resin is fast in curing speed during construction, high in strength after being cured, strong in corrosion resistance, convenient to construct, and especially good in weather resistance.