Method for preparing transparent and heat insulating water ultraviolet curing coating

The invention relates to a method for preparing an aqueous ultraviolet photo-cured coating with transparence and heat insulation and belongs to the technical field of environment-friendly energy-saving coating. The coating consists of a modified heat insulating nanometer serous fluid for emulsifying and compounding an aqueous UV prepolymer, a light evocating agent, a coating additive and the like. The modified heat insulating nanometer serous fluid carries out emulsification and compounding on the aqueous UV prepolymer so as to obviously improve the dispersion and stability of the coating, wherein a heat insulation nanometer powder body is an oxide consisting of tin, stibium, zinc, copper and aluminum so that the coating has high transparency and heat insulation and low radiation; the coating uses water as a solvent, fully meets the requirement of environmental protection, adopts a spraying or knifing mode, utilizes ultraviolet radiation for curing and film forming, can realize the automatic ...

Light transmission body regulatory photovoltaic/thermal (PV/T) integrated device

The invention relates to the field of solar applications, and in particular relates to a light transmission body regulatory photovoltaic/thermal (PV/T) integrated device. The light transmission body regulatory PV/T integrated device comprises a perspective plate, a frame body component, a PV/T integrated component and a transmission component. As the device adopts insulating heat-conducting EVA (ethylene-vinyl acetate copolymer) with high conductivity, the heat of the solar cell panel is quickly transferred to a heat collection movable composite plate pipe and absorbed and used by a heat collection liquid flow pipe and a heat collection air channel pipe; and the device prevents excessively high temperature from influencing normal use and even damaging the solar cell panel, has the functions of preserving heat, insulating heat, transmitting light, insulating sound and the like of a double-layer hollow glass window, realizes full-effect power generation, utilization of mixed heat energyof ...

Liquid rubber modified epoxy acrylic ester prepolymer and use for preparation of ultraviolet curing paint

A liquid rubber modified epoxy acrylate prepolymer and a preparation of UV-light solidified paint pertain to the art of light-sensitive resin and UV-light solidified paint technology. The present invention adopts the two-step process: firstly hydroxyl end liquid rubber and maleic anhydride with mol ratio from 1:2 to 2.5 are reacted for 2 to 4-hour reaction under the role of catalyst and the temperature of 100 DEG C so as to obtain the carboxyl liquid rubber prepolymer; secondly, the carboxyl of the carboxyl liquid rubber prepolymer and the epoxy of the epoxy acrylate are mixed in equivalent volume and then react for 2 to 4 hours under the role of catalyst and polymerization inhibitor and the temperature from 80 to 100 DEG C so as to obtain the liquid rubber modified epoxy acrylate prepolymer. The prepolymer can be mixed with active diluting agent, optical initiator and assistant according to a certain proportion so as to obtain the flexible UV-light solidified paint, the flexibility of ...

Method for preparing non-toxic visible ultraviolet heat insulating UV coating material

The invention relates to a method for preparing a nontoxic visible ultraviolet and heat insulation UV coating for food packaging and belongs to a composite material for packaging and the field of a photocuring technology. The invention relates to a white carbon black and metal doped tin oxide nanometer powder body composite ultraviolet photo-cured coating which can improve the capacity of ultraviolet insulation and heat insulation; the coating mainly comprises a photosensitive oligomer, an active thinner, a light evocating agent, white carbon black and metal doped tin oxide, a filler and an additive. The UV coating material has innocuity and harmlessness, can obstruct ultraviolet light of over 97 percent and infrared light of over 80 percent in daylight, has functions of transparence, heat insulation, sterilization and uneasy gleization, is in particular suitable for a visible plastic food packaging bag, a transparent polyester food vessel and the like, is convenient to keep food fresh ...

Flat-plate paraboloidal solar light-condensing and heat-collecting device

The invention relates to a flat-plate paraboloidal solar light-condensing and heat-collecting device, and belongs to the technical field of solar heat utilization. The flat-plate paraboloidal solar light-condensing and heat-collecting device is particularly suitable for the integration of solar energy and buildings, and provides a multifunctional technology-integration high-efficiency heat-condensing device with more application value for the 'South Wall Plan' and the 'Roof Plan'. The flat-plate paraboloidal solar light-condensing and heat-collecting device comprises a light-transmitting and sealing component and a heat-collecting and light-condensing component two big parts, wherein the light-transmitting and sealing component consists of a box body, a bottom plate, a T-shaped fixed strip, a light-transmitting cover plate, a thermal-insulation and heat-preservation coating, a sealant, a vacuumizing head, a working medium inlet, a working medium outlet, a mounting block and an adsorbent ...

Double-pressure direct-combustion reheating-type heating power output device

The invention discloses a double-pressure direct-combustion reheating-type heating power output device which comprises a rapid energy-supplying linkage assembly, an anti-boiling steam-water separation assembly, a target overheating combined supply assembly, a waste heat exchange and recovery assembly, a central intelligent controller and accessories. Through the device, a heat section, an evaporation section, a reheating section and a waste heat recovery section are overlaid, optimized and combined into an integral effectively, and high evapration and reheating capability is revealed; simmultaneously the device has single-group heating and multi-group heating special structrual functions generally, and can be matched with a solar energy heat collecting system or a PV/T (photovoltaic/thermal) composite optimal system; and the configured central intelligent controller can be subjected to intelligent operation and humanization management, the whole process of the heating, evaporation, reheating ...

Solar energy collecting and utilizing device with sun-oriented illuminator

The invention relates to a solar energy collecting and utilizing device with a sun-oriented illuminator, and belongs to the technical field of functional members integrating building energy conservation, heat collection, thermal insulation, perspectivity, acoustic insulation, light and heat utilization of solar energy and buildings. The solar energy collecting and utilizing device with the sun-oriented illuminator comprises a light-transmitting and sealing component and a heat collecting and coupling component, wherein the light-transmitting and sealing component comprises a light-transmitting cover plate, a light-transmitting bottom plate, a sealant, a box frame, a vacuum base, an adsorbent storage bar, an insulated coating, a working medium inlet and a working medium outlet; the box frame is formed by splicing, rivet welding and sealing section members; the sealant is extruded at the top and bottom of the box frame; the insulated coating is sprayed on four sides of the box frame; the ...

Liquid rubber modified epoxy acrylic ester prepolymer and use for preparation of ultraviolet curing paint

A liquid rubber modified epoxy acrylate prepolymer and a preparation of UV-light solidified paint pertain to the art of light-sensitive resin and UV-light solidified paint technology. The present invention adopts the two-step process: firstly hydroxyl end liquid rubber and maleic anhydride with mol ratio from 1:2 to 2.5 are reacted for 2 to 4-hour reaction under the role of catalyst and the temperature of 100 DEG C so as to obtain the carboxyl liquid rubber prepolymer; secondly, the carboxyl of the carboxyl liquid rubber prepolymer and the epoxy of the epoxy acrylate are mixed in equivalent volume and then react for 2 to 4 hours under the role of catalyst and polymerization inhibitor and the temperature from 80 to 100 DEG C so as to obtain the liquid rubber modified epoxy acrylate prepolymer. The prepolymer can be mixed with active diluting agent, optical initiator and assistant according to a certain proportion so as to obtain the flexible UV-light solidified paint, the flexibility of ...

Ring efflux multilevel serial compressed air engine and working medium flow thereof

The invention discloses a ring efflux multilevel serial compressed air engine and a working medium flow thereof which are characterized by comprising an engine pack, a volumetric heat exchanger, a full premixed infrared radiation rapid heating furnace, a reducing valve, a reducing tank, a constant gas distributor, a return air gathering tank/ an outlet and a complete working medium and heat source supplement process. The ring efflux multilevel serial compressed air engine and the working medium flow thereof have the advantages of reasonable design of mechanical structure, good combination of motion and quietness, high tightness, silence, large torque and good stability, and can satisfy the requirement of environment friendliness.

Preparation method of heat-resisting transparent heat-insulation UV-curing coating

The invention discloses a preparation method of heat-resisting transparent heat-insulation UV-curing coating, belonging to the technical field of photocureable coating. The preparation method comprises steps of respectively putting the mixed solution of dispersing agent and diluent and different nano-powders into a beaker, adjusting pH to 9.0-10.0, carrying out ultrasonic dispersion after stirred on a magnetic stirrer, and stopping ultrasonic agitation to obtain nano-powder slurry; according to different nano-powder mass ratios, evenly mixing the slurry; putting hydroxy silicone oil, crylic acid and 4-methoxyphenol into the breaker at the temperature of 110 DEG C to react for 5 hours, and preparing UV curing resin; adding nano slurry into the UV curing resin, defoamer, thickening agent and film-forming auxiliary agent, adjusting pH to 9.0-10.0 to obtain heat-resisting transparent heat-insulation UV-curing coating. The invention has simple preparation and construction technology, effectively ...

Flat-plate paraboloidal solar light-condensing and heat-collecting device

The invention relates to a flat-plate paraboloidal solar light-condensing and heat-collecting device, and belongs to the technical field of solar heat utilization. The flat-plate paraboloidal solar light-condensing and heat-collecting device is particularly suitable for the integration of solar energy and buildings, and provides a multifunctional technology-integration high-efficiency heat-condensing device with more application value for the 'South Wall Plan' and the 'Roof Plan'. The flat-plate paraboloidal solar light-condensing and heat-collecting device comprises a light-transmitting and sealing component and a heat-collecting and light-condensing component two big parts, wherein the light-transmitting and sealing component consists of a box body, a bottom plate, a T-shaped fixed strip, a light-transmitting cover plate, a thermal-insulation and heat-preservation coating, a sealant, a vacuumizing head, a working medium inlet, a working medium outlet, a mounting block and an adsorbent ...

Preparation method of heat-resisting transparent heat-insulation UV-curing coating

The invention discloses a preparation method of heat-resisting transparent heat-insulation UV-curing coating, belonging to the technical field of photocureable coating. The preparation method comprises steps of respectively putting the mixed solution of dispersing agent and diluent and different nano-powders into a beaker, adjusting pH to 9.0-10.0, carrying out ultrasonic dispersion after stirred on a magnetic stirrer, and stopping ultrasonic agitation to obtain nano-powder slurry; according to different nano-powder mass ratios, evenly mixing the slurry; putting hydroxy silicone oil, crylic acid and 4-methoxyphenol into the breaker at the temperature of 110 DEG C to react for 5 hours, and preparing UV curing resin; adding nano slurry into the UV curing resin, defoamer, thickening agent and film-forming auxiliary agent, adjusting pH to 9.0-10.0 to obtain heat-resisting transparent heat-insulation UV-curing coating. The invention has simple preparation and construction technology, effectively ...

Method for preparing multifunctional nano composite material

The invention relates to a method for preparing a multifunctional composite nanophase material, which belongs to the technical field of functional materials. The method prepares the multifunctional composite nanophase material by composition of nanophase materials with transparent and heat-insulation functions and nanophase materials with self-cleaning and antifouling functions in proportion. The material has multiple functions of transparency, heat insulation, self-cleaning, antifouling, antibacterium and electrostatic prevention, and can be used for preparing a multifunctional additive or a functional plastic master batch in coating. The multifunctional composite nanophase material accords with the demand and the direction of the modern social development, and has wide development prospect on transparent substrates such as windows and doors of buildings, windows and doors of vehicles, transparent light fittings, telephone booths and newsstands.

Solar energy collecting and utilizing device with sun-oriented illuminator

The invention relates to a solar energy collecting and utilizing device with a sun-oriented illuminator, and belongs to the technical field of functional members integrating building energy conservation, heat collection, thermal insulation, perspectivity, acoustic insulation, light and heat utilization of solar energy and buildings. The solar energy collecting and utilizing device with the sun-oriented illuminator comprises a light-transmitting and sealing component and a heat collecting and coupling component, wherein the light-transmitting and sealing component comprises a light-transmitting cover plate, a light-transmitting bottom plate, a sealant, a box frame, a vacuum base, an adsorbent storage bar, an insulated coating, a working medium inlet and a working medium outlet; the box frame is formed by splicing, rivet welding and sealing section members; the sealant is extruded at the top and bottom of the box frame; the insulated coating is sprayed on four sides of the box frame; the ...

Insulation paint having both radiation heat insulation and obstructing type heat insulation and method for making same

Insulation paint with radiation heat insulation and barrier heat insulation and a preparation method thereof are provided, which belong to the water borne building energy saving coating field. The invention uses a transitional metal oxide, inorganic hollow particle and emulsion to produce the water borne building energy saving coating with good insulation, heat insulation effect and high performance. The coating consists of deionized water, propanediol, insulation functional materials, whiskers, pigments, fillers, emulsion and promoters. The coating performance of the coating formed on building walls is perfect. Compared with the single heat insulation mechanism insulation coating, the heat insulation effect is obvious and the heat insulation effect can lead the temperature difference to be 5 to 8 DEG C. With prominent weather resistant performance, color and luster preserving performance, water resistance and washing resistance, the coating is an insulation coating which is applied tothe ...

Unhindered coupling instant-heat type solar rod

The invention provides an unhindered coupling instant-heat type solar rod, relating to a solar heat-collecting core part that takes solar energy as a heat source, belonging to the technical field of solar heat utilization. The unhindered coupling instant-heat type solar rod comprises a star-shaped heat collecting core, a self-locking type heat conducting shaft, a closed dense joint, a multi-cyclone radiating pipe, a paraboloid heat-collecting arc-shaped plate, a cup-shaped working fluid energy storage, a heat-insulating sheath, a closed engaging nozzle, a vacuum glass pipe, a working fluid connecting pipe, an air outlet, a protective bottom supporter, a sealing head, a heat-insulating layer, a working fluid inlet, a working fluid outlet, a working fluid, a superconducting medium and a shell; the paraboloid heat-collecting arc-shaped plate is fixed with the closed engaging nozzle into a whole; the closed engaging nozzle and the star-shaped heat-collecting core are integrated into a whole ...

Method of solid self-assembly light polymerization technique for preparing crystalline state polymer in each different configuration

Method for preparing urethane chain rod-type high durable end-group polyene-bond photocuring prepolymer

The invention relates to a method for preparing urethane chain rod-type high durable end-group polyene-bond photocuring prepolymer and belongs to the field of the UV curing resin. In the method, a polybasic acid substance comprising hydroxyl group, a substance containing both epoxy group and double bond, polyisocyanates which does not contain a benzene ring and a certain molecular weight of polyether polyol which serve as the raw materials are synthesized to form the urethane chain rod-type high durable end-group polyene-bond photocuring prepolymer. The prepolymer has high reactivity and high hardness of the hyper-branched resin, also has high elasticity of polyurethane and is an UV-curing resin with high performance.

Preparation method of high-activity dumbbell type ultraviolet light curing resin

The invention provides a preparation method of high-activity dumbbell type ultraviolet light curing resin, which belongs to the technical field of ultraviolet light curing resin. The invention adopts a polybasic acid as a major ingredient, and uses the polybasic acid as a connector of a dumbbell rod and a load for forming preformed polymers through the reaction of polyether polylol or polyester polylol with the certain molecular weight, then the preformed polymers and a material with both epoxy groups and double bonds react for forming rein capable of being cured by ultraviolet light, and both ends of the rein respectively comprise a plurality of functional base groups. The resin can solve the problem of low light curing activity of the traditional polyester acrylic acid resin, can obviously improve the existing brittle light curing resin, and simultaneously has good weather resisting property.

Medium and high temperature solar selective absorption coating and coating layer and preparation method thereof

The invention provides a medium and high temperature solar selective absorption coating and a preparation method thereof. One or more of organic or inorganic materials are taken as a high temperature-resistant film-forming agent, a novel and easy method is used to prepare high-performance solar selective absorption nano powder, and the high-performance solar selective absorption nano powder is used as functional powder to prepare the solar selective absorption coating. A coating material prepared by using the coating has better selective absorption function on solar energy, so that the utilization rate of the solar energy is improved; the temperature resistance of the coating material is over 600 DEG C; and the coating material has good weather resistance and long service life, and can beapplied to the field of medium and high temperature solar thermal utilization and thermal power generation.

Compressed air engine and optimization integrated system

The invention discloses a compressed air engine and an optimization integrated system which comprise an engine pack, a volumetric heat exchanger, a full premixed infrared radiation rapid heating furnace, a reducing valve, a reducing tank, a constant gas distributor, an return air gathering tank/ an outlet and a fitting. The compressed air engine and the optimization integrated system have the comprehensive advantages of simple and reasonable structure, high utilization of compressed air energy, perfect exertion of supplementary fuel materials, thorough release of isothermal expansion, wide application range, low cost and the like, and is safe and convenient to operate.

Method for preparing transparent and heat insulating water ultraviolet curing coating

The invention relates to a method for preparing an aqueous ultraviolet photo-cured coating with transparence and heat insulation and belongs to the technical field of environment-friendly energy-saving coating. The coating consists of a modified heat insulating nanometer serous fluid for emulsifying and compounding an aqueous UV prepolymer, a light evocating agent, a coating additive and the like. The modified heat insulating nanometer serous fluid carries out emulsification and compounding on the aqueous UV prepolymer so as to obviously improve the dispersion and stability of the coating, wherein a heat insulation nanometer powder body is an oxide consisting of tin, stibium, zinc, copper and aluminum so that the coating has high transparency and heat insulation and low radiation; the coating uses water as a solvent, fully meets the requirement of environmental protection, adopts a spraying or knifing mode, utilizes ultraviolet radiation for curing and film forming, can realize the automatic ...

Method for preparing multifunctional nano composite material

The invention relates to a method for preparing a multifunctional composite nanophase material, which belongs to the technical field of functional materials. The method prepares the multifunctional composite nanophase material by composition of nanophase materials with transparent and heat-insulation functions and nanophase materials with self-cleaning and antifouling functions in proportion. Thematerial has multiple functions of transparency, heat insulation, self-cleaning, antifouling, antibacterium and electrostatic prevention, and can be used for preparing a multifunctional additive or afunctional plastic master batch in coating. The multifunctional composite nanophase material accords with the demand and the direction of the modern social development, and has wide development prospect on transparent substrates such as windows and doors of buildings, windows and doors of vehicles, transparent light fittings, telephone booths and newsstands.

Preparation of star type block acid sensitive nano micelle

A preparation method of a star-type block acid sensitive nano-micelle belongs to the technical field of carriers and sustained release materials. The method comprises the following steps: cage-type polyhedral oligomeric silsesquioxane (POSS) is taken as a nucleation initiator, living ring-opening polymerization of D,L-lactide is performed on the POSS with polyhydroxyl on the surface to obtain a star-type polymer with regular structure as a core, the core size is related to proportion of the D,L-lactide and the polyhydroxyl POSS, ATRP (Atom Transfer Radical Polymerization) reaction is allowed between the star-type polymer and N,N-dimethyamino ethyl methacrylate (DMAEMA) to synthesize the star-type block acid sensitive nano-micelle. The star-type block acid sensitive nano-micelle is sensitive to temperature and pH, which is beneficial to stability of the micelle in aqueous phase and affinity and targeting of the micelle to biological tissues, thus the micelle has excellent drug-loading and ...

Mixed thermal force closed type heat extraction cycle heat engine and power generation device

The invention discloses a mixed thermal force closed type heat extraction cycle heat engine and a power generation device, and relates to a multi-heat-source environment-friendly closed type heat extraction cycle heat engine which comprises a solar device, and the power generation device and belongs to the technical field of combined heat and power generation of solar. The mixed thermal force closed type heat extraction cycle heat engine consists of a double-heat-source heating assembly, a cycle heat engine assembly, a speed change and power generation assembly, an intelligent control system and accessories; the double-heat-source heating assembly comprises a barrel wall, a punching bottom plate, a heat preservation upper blanking plate, a heat energy reflector, a light condensation receiving port, an automatic light shading cover, an electromotor of the light shading cover, a metal upper cover plate, a metal lower cover plate, a porous metal fiber combustion head, a flame igniter, a combustor ...

Method for preparing ultraviolet crosslinking active multi-propenyl multi-arm star type prepolymer

The invention provides a method for preparing a crosslinking active multi-allyl multi-arm star-shaped pre-polymer by ultra violet light, and belongs to the technical field of light-curing composite coating material. The invention relates to selecting methylol melamine monomers and N, N-dihydroxyethyl-3-amino acid methyl ester monomers to synthesize hydroxyl-terminated multi-arm polyester, and thearm length is relative to the amount of hydroxymethyl of tripolycyanamide and the added amount of N, N-dihydroxyethyl-3-amino acid methyl ester monomers, and the sealed end of acrylic acid hydroxy ester is adopted to prepare the active multi-allyl multi-arm star-shaped pre-polymer; and the pre-polymer which can be cured by the ultra violet light with high thermal stability, high rigidity, excellent wear resistance, color and luster retention at high temperature, rapider curing, chemical agent pollution resistance and weather resistance is obtained. The crosslinking active multi-allyl multi-arm star-shaped ...

Preparation of star type block acid sensitive nano micelle

A preparation method of a star-type block acid sensitive nano-micelle belongs to the technical field of carriers and sustained release materials. The method comprises the following steps: cage-type polyhedral oligomeric silsesquioxane (POSS) is taken as a nucleation initiator, living ring-opening polymerization of D,L-lactide is performed on the POSS with polyhydroxyl on the surface to obtain a star-type polymer with regular structure as a core, the core size is related to proportion of the D,L-lactide and the polyhydroxyl POSS, ATRP (Atom Transfer Radical Polymerization) reaction is allowed between the star-type polymer and N,N-dimethyamino ethyl methacrylate (DMAEMA) to synthesize the star-type block acid sensitive nano-micelle. The star-type block acid sensitive nano-micelle is sensitive to temperature and pH, which is beneficial to stability of the micelle in aqueous phase and affinity and targeting of the micelle to biological tissues, thus the micelle has excellent drug-loading and ...

Light gathering solar energy dual-heat co-production device

The invention provides a light gathering solar energy dual-heat co-production device. The device comprises a dual-heat energy collecting assembly and a frame body for fixing the dual-heat energy collecting assembly, wherein the dual-heat energy collecting assembly comprises a light penetrating substrate, a heat collecting plate, a working fluid collecting pipe, a hot air collecting pipe, an ambient air inlet, a hot air outlet, a working fluid inlet pipe, a working fluid outlet pipe and a connecting pipe; the heat collecting plate and the light penetrating substrate are hot-pressed into a whole through high-concentration ethylene vinyl acetate copolymer(HCEVA); the working fluid collecting pipe is fixed with the heat collecting plate through welding or heat conducting glue; and the lower end of the working fluid collecting pipe and the working fluid inlet pipe are fixed in a sealing way, and the upper end of the working fluid collecting pipe and the working fluid outlet pipe are fixed in ...

Asbestos-free whisker friction material and preparation method thereof

The invention relates to amianthine cat whisker-free friction material and the preparation method thereof, and belongs to the friction material industry technical field. The components of the amianthine cat whisker-free friction material of the invention mainly contain binding agent, reinforcing material, frictional property regulating reagent, cat whisker material and fillings, and contain no asbestos fiber, the cat whisker material is adopted to be filled in the friction material to improve the wear resistance of the friction material, protect the environment, and prolong the service life of an arrester gland. The friction material can be used in a high level car and a passenger car, or a heavy duty freight car, and the arrester glands of the cars have the advantages that the friction coefficient is stable, the wear resistance is good, the braking is comfortable, the pollution is free, and the noise is free, the service life can be improved by 30 percent, the friction coefficient reaches ...

Modularized solar energy collecting building component

The invention relates to a modularized solar energy collecting building component, which belongs to the technical field of functional components of buildings, which saves energy, collects heat, maintains the temperature, decorates, utilizes light and heat of solar energy and are integrated with the buildings. The building component comprises a transmission cover plate, a box body, a bottom plate, a heat absorption coating, a heat collecting plate core, a working medium passage tube, a working medium, a spare interface, a sealant, a pipe connector, an adsorbent storage strip, a fixed strip, a heat-insulating coating, heat collecting plate core reinforced ribs, a passage tube vacuumizing head and a radiation head, wherein the sealant is extruded on the upper and lower surfaces of the box body; the transmission cover plate is fixed on the box body through the sealant; the bottom plate and the box body are sealed and fixed by the sealant extruded on the lower surface; the sunlight selective ...

Method for preparing non-toxic visible ultraviolet heat insulating UV coating material

The invention relates to a method for preparing a nontoxic visible ultraviolet and heat insulation UV coating for food packaging and belongs to a composite material for packaging and the field of a photocuring technology. The invention relates to a white carbon black and metal doped tin oxide nanometer powder body composite ultraviolet photo-cured coating which can improve the capacity of ultraviolet insulation and heat insulation; the coating mainly comprises a photosensitive oligomer, an active thinner, a light evocating agent, white carbon black and metal doped tin oxide, a filler and an additive. The UV coating material has innocuity and harmlessness, can obstruct ultraviolet light of over 97 percent and infrared light of over 80 percent in daylight, has functions of transparence, heat insulation, sterilization and uneasy gleization, is in particular suitable for a visible plastic food packaging bag, a transparent polyester food vessel and the like, is convenient to keep food fresh ...

Asbestos-free whisker friction material and preparation method thereof

High-efficiency metal fiber surface combustion device and intelligent controller, and control method thereof

The invention relates to a high-efficiency metal fiber surface combustion device and an intelligent controller, and a control method thereof, in particular to a novel high-efficiency, energy-saving, environment-friendly, and near-zero emission fully premixed gas combustion device which belongs to the technical field of intelligent control gas combustion devices. The metal fiber surface combustiondevice and the intelligent controller are involved. The metal fiber surface combustion device comprises a flame sensor, an ignition head, a mixing chamber, a porous injection pipe, an unpowered blademixer, bearings, a wind pressure switch, an air inlet pipe, a high-speed fan, an ignition transformer, an air pressure switch, a gas inlet, a pressure maintaining valve, a solenoid valve A, a gas passage pipe, a solenoid valve B, a throttling element, a nozzle, a combustor base, a metal porous supporting pad, and a porous surface combustion carrier; an intelligent control system is fixed on one side ...

Method for preparing ultraviolet crosslinking active multi-propenyl multi-arm star type prepolymer

The invention provides a method for preparing a crosslinking active multi-allyl multi-arm star-shaped pre-polymer by ultra violet light, and belongs to the technical field of light-curing composite coating material. The invention relates to selecting methylol melamine monomers and N, N-dihydroxyethyl-3-amino acid methyl ester monomers to synthesize hydroxyl-terminated multi-arm polyester, and the arm length is relative to the amount of hydroxymethyl of tripolycyanamide and the added amount of N, N-dihydroxyethyl-3-amino acid methyl ester monomers, and the sealed end of acrylic acid hydroxy ester is adopted to prepare the active multi-allyl multi-arm star-shaped pre-polymer; and the pre-polymer which can be cured by the ultra violet light with high thermal stability, high rigidity, excellent wear resistance, color and luster retention at high temperature, rapider curing, chemical agent pollution resistance and weather resistance is obtained. The crosslinking active multi-allyl multi-arm ...

Preparation method for high stain-resistant and thermal-insulating type UV curing fluorine coating

The invention discloses a preparation method for a high stain-resistant and thermal-insulating type UV cured fluorine coating, belonging to the technical field of photo-cured coatings. In the invention, dispersant, thinner and different nanometer powder are taken to be respectively placed in a beaker, the pH is regulated to be 9.0-10.0, the mixture is stirred by a magnetic stirrer for 30-60min, and then ultrasonic dispersion is carried out for 30-60min. Ultrasonic agitation is stopped to obtain nanometer powder sizing agent. The several sizing agents are mixed and evenly stirred according to the mass ratio of the different nanometer powder; UV cured fluorine resin, defoamer and thickener are added into the obtained mixed sizing agent of the nanometer powder; and the pH is regulated to be 9.0-10.0, so as to obtain the high stain-resistant and thermal-insulating type UV curing fluorine coating. The invention has simple preparation method and convenient preparation and construction process ...

Preparation method for high stain-resistant and thermal-insulating type UV curing fluorine coating

The invention discloses a preparation method for a high stain-resistant and thermal-insulating type UV cured fluorine coating, belonging to the technical field of photo-cured coatings. In the invention, dispersant, thinner and different nanometer powder are taken to be respectively placed in a beaker, the pH is regulated to be 9.0-10.0, the mixture is stirred by a magnetic stirrer for 30-60min, and then ultrasonic dispersion is carried out for 30-60min. Ultrasonic agitation is stopped to obtain nanometer powder sizing agent. The several sizing agents are mixed and evenly stirred according to the mass ratio of the different nanometer powder; UV cured fluorine resin, defoamer and thickener are added into the obtained mixed sizing agent of the nanometer powder; and the pH is regulated to be 9.0-10.0, so as to obtain the high stain-resistant and thermal-insulating type UV curing fluorine coating. The invention has simple preparation method and convenient preparation and construction process ...

Insulation paint having both radiation heat insulation and obstructing type heat insulation and method for making same

Insulation paint with radiation heat insulation and barrier heat insulation and a preparation method thereof are provided, which belong to the water borne building energy saving coating field. The invention uses a transitional metal oxide, inorganic hollow particle and emulsion to produce the water borne building energy saving coating with good insulation, heat insulation effect and high performance. The coating consists of deionized water, propanediol, insulation functional materials, whiskers, pigments, fillers, emulsion and promoters. The coating performance of the coating formed on building walls is perfect. Compared with the single heat insulation mechanism insulation coating, the heat insulation effect is obvious and the heat insulation effect can lead the temperature difference to be 5 to 8 DEG C. With prominent weather resistant performance, color and luster preserving performance, water resistance and washing resistance, the coating is an insulation coating which is applied to ...