695results about How to "Improve curing efficiency" patented technology

The invention discloses a solar battery back plate adopting an ultraviolet (UV) curing weather-proof coating and a manufacture method of the solar battery back plate. The solar battery back plate comprises a substrate, wherein at least one side of the substrate is coated with the UV curing weather-proof coating, the UV curing weather-proof coating is prepared from the following materials: 50 to 80 weight percent of weather-proof photosensitive resin, 10 to 20 weight percent of reactive diluent, 2 to 15 weight percent of initiating agent, 5 to 30 weight percent of filling material, 0.5 to 2 weight percent of dispersing agent, 0.5 to 2 weight percent of antioxidant, 0.5 to 2 weight percent of hydrolysis-resistant agent and 0.5 to 2 weight percent of anti-aging agent. The UV curing weather-proof coating is adopted and directly coated onto the substrate, the coating curing efficiency is high, the production efficiency of the solar battery back plate is improved, and meanwhile, the use of organic solvents causing serious pollution to the environment is avoided, so the organic solvent volatilization is avoided in the whole production process, and the solar battery back plate conforms to the green and environmental friendly standard.

A process flow integration scheme employs one or more techniques to control stress in a semiconductor device formed thereby. In accordance with one embodiment, cumulative stress contributed by RTP of a nitride spacer and polysilicon gate, and subsequent deposition of a high stress etch stop layer, enhance strain and improve device performance. Germanium may be deposited or implanted into the gate structure in order to facilitate stress control.

In a laser based curing apparatus, the acts both as the curing light and the excitation source for a Raman spectroscopic sensor. The spectroscopic sensor provides real-time, in situ, non-invasive curing status monitoring via Raman spectroscopy. The spectroscopic information can be further used to control the operation parameters of the laser to achieve the optimum cure result.

The invention relates to ultraviolet curing equipment and method for an optical fiber coating. The equipment comprises a cylindrical mounting base, wherein an inner cavity of the cylindrical mounting base is provided with UVLED (Ultraviolet Light Emitting Diode) light source modules in a peripheral direction and an axial direction; a cylindrical focusing lens is arranged in front of light-emitting surfaces of the UVLED light source modules, so that ultraviolet rays emitted from the UVLED light source modules are focused on a same curing axis. The ultraviolet curing equipment disclosed by the invention is long in service life, small in heating amount and low in energy consumption; a layout space of light sources is large, so that the output of the UV light sources of a plurality of UVLED light source modules are focused on the curing axis to form a UV light column with high light intensity; an optical fiber absorbs UV and is cured when passing through the UV light column; the light strength of the light column is high and the light sources are from multiple directions, so that the equipment has higher curing efficiency and better curing uniformity, the curing time is shortened, the work efficiency of wiredrawing of the optical fiber is improved, and the curing quality of the coating is improved.

The invention relates to a polyfunctional castor oil-based photo-cured resin as well as a preparation method and application thereof. The preparation method comprises the following steps: with isocyanate and hydroxyl acrylate as raw materials, adding a polymerization inhibitor and a catalyst, introducing nitrogen for protection, and reacting for a certain period of time, so as to obtain an intermediate isocyanate semi-blocked prepolymer; adding castor oil into the prepared isocyanate semi-blocked prepolymer, so as to obtain castor oil-based urethane acrylate resin; and mixing the castor oil-based urethane acrylate resin with a photoinitiator and a diluent, and carrying out ultraviolet light radiation, so as to obtain UV castor oil-based resin with excellent performance. The photo-cured resin synthesized by virtue of the preparation method has relatively high molecular weight and viscosity, so that the interaction among resin molecules is enhanced, and the photo-crosslinking reaction efficiency of the resin is improved; the photo-cured resin contains more terminal double bonds, can be rapidly photo-cured and is suitable for being used as UV cured coatings, 3D printing materials and the like; and the prepared photo-cured resin has the beneficial effects that the water absorption rate and volume shrinkage rate of a cured film are substantially increased, meanwhile, the cost is low, the process is simple and controllable, and a product is relatively environment-friendly.

The invention discloses an integral wind-power blade ultraviolet light/electron beam in situ curing fiber laying forming device and an integral wind-power blade ultraviolet light/electron beam in situ curing fiber laying forming method, which can be applied to the automatic manufacturing field of large-scale composite material wind-power blades. Aiming at the problems that a perfusion and mold-splitting type wind-power blade manufacturing process has low degree of automation, high labor intensity and unstable quality, a two-piece type wind-power blade has low bonding strength, integral strength and stiffness, blade laying cannot be optimally designed, and a large-scale wind-power blade is difficultly manufactured and the like, the invention adopts the ultraviolet light in situ curing fiber laying manufacturing method and the ultraviolet light in situ curing fiber laying manufacturing device. According to the method, an ultraviolet light/electron beam in situ curing process is utilized for completing the forming and curing processes of the large-scale wind-power blade one time, the large-scale wind-power blade is integrally formed, and the curing efficiency and the overall performance of the blade are improved. Meanwhile, a large-scale wind-power blade fiber laying manufacturing system is combined and comprises an ultraviolet light/electron beam in situ curing fiber laying head, a presoaking belt conveying system, a core mold supporting device, an integral wind-power blade core mold, a horizontal or vertical multi-freedom machine tool system and a laying control system so as to realize the automatic manufacturing of the integral large-scale wind-power blade.

The invention relates to an intelligent segmental temperature control system of a wind power blade die, which is provided based on the technical theory that segmental temperature control is bound to be carried out based on the differences on the formed region thickness of a designed blade structure and the energy-saving purpose can be achieved by lowering the dependence on external heating in a curing manufacturing procedure by utilizing the reaction exothermic character of a matrix material. To achieve the purpose, the invention adopts the technical measures of the construction of a die segmental temperature control pipeline, which ensures that each temperature segment can be heated or cooled independently based on requirements on thermal energy in the curing manufacturing procedure; the establishment of an intelligent temperature control system, wherein temperature and hardness data of the die and a blade shell can be captured to judge whether heating setting, exothermic peak initiating temperature and the states of completion degree, gel curing degree and the like are completed or conform to design values; and antecedent technical measures, wherein energy consumption is saved by utilizing the reaction heat of materials per se to heat and reaction and temperature control are combined to match the design of a temperature curve, which are helpful for obtaining the blades with uniform curing and excellent quality and can improve the production efficiency as a characteristic.

The invention relates to a UV-curable coating used in surface coating for electronic products, which is prepared by the components with the following weight percentage: 10 to 30wt percent of dual-functional polyurethane acrylate, 5 to 40wt percent of multi-functional nuclear hybrid acrylate monomer, 5 to 30wt percent of ethoxylated or propoxylated multi-functional acrylate monomer, 0 to 15wt percent of single-functional monomer, 1 to 6wt percent of photoinitiator, 0 to 5wt percent of modified nano material, 0.1 to 2wt percent of flatting agent, and 10 to 50wt percent of solvent. The UV-curable coating of the invention is widely applicable to the surface coating of electronic products, such as mobile phones, MP3, MP4 and digital cameras, etc, and has the advantages of high wear resistance, high transparency, strong adhesion, high gloss, etc.

The invention discloses a waterborne photochromic coating as well as nail polish and a decorative material. The waterborne photochromic coating is prepared from the following components in parts by weight: 30 to 90 parts of a waterborne polyurethane acrylate oligomer, 1 to 10 parts of an epoxy group-containing monomer, 0.5 to 5 parts of a reactive emulsifier, 0.5 to 10 parts of a photoinitiator, 0.2 to 30 parts of a waterborne photochromic agent, 0.5 to 5 parts of a waterborne wetting dispersant, 0.05 to 5 parts of a waterborne flatting agent and 1 to 20 parts of deionized water. The waterborne photochromic coating disclosed by the invention has the advantages that the problems of low curing speed and low efficiency of a heat curable photochromic coating, and the problem that a large amount of solvents or volatile monomers are used in a UV (ultraviolet) photochromic coating are solved; the waterborne photochromic coating is suitable for coating various plastic substrates or nail, and has relatively-high industrial production benefits and a good application prospect.

The invention discloses a piece of parallel light curing equipment with staggered area array light sources. The parallel light curing equipment comprises a conveying device, an area array light source curing device, a cooling device, a light source control device and a working table, wherein the cooling device is connected with the area array light source curing device, the light source control device is connected with the area array light source curing device, and the area array light source curing device is installed on the working table. The working table comprises a trolley. The trolley is movably arranged inside the working table. A longitudinal guiding rail and a guiding rail driving mechanism are arranged at the upper portion of the trolley. The area array light source curing device is arranged on the guiding rail of the trolley. The conveying device fixes a workpiece to be cured in a vacuumized mode and conveys the workpiece to be cured to the portion over the area array light source curing device or the portion under the area array light source curing device. The invention further discloses a curing method by utilizing the curing equipment. According to the parallel light curing equipment with the staggered area array light sources and the curing method, due to the fact that the staggered movements of the area array light sources and the workpiece are controlled, the evenness of curing is improved, and due to the fact that a condensing lens converts UV light beams into parallel light, the curing efficiency and precision are improved.

The invention discloses a ceramic part 3D (three dimensional) printing method based on a photocuring adhesive. In a first curing system, a photosensitive resin-based adhesive solidifies quickly under the irradiation of ultraviolet light, bonds powder so as to take shape and has high curing efficiency; only when the photosensitive resin-based adhesive encounters the ultraviolet light, the photosensitive resin-based adhesive solidifies; and as the photosensitive resin-based adhesive is not likely to encounter the ultraviolet light in a spray nozzle, the photosensitive resin-based adhesive is not likely to solidify and block the printing spray nozzle. In a second curing system, an epoxy resin-based adhesive can also solidify quickly by adding polymercaptan serving as a solidification triggering agent; and as the epoxy resin and the polymercaptan triggering agent are in different spray nozzles and do not contact with each other, the epoxy resin-based adhesive is not likely to solidify and block the spray nozzle. As the adhesives of the dual curing systems are resin-based adhesives and no water is added all the time in the preparation process, the adhesives of the dual curing systems can be used for bonding water-solubility ceramic powder; and the green bodies of ceramic parts formed by the dual curing systems have very high strength and forming accuracy.

The invention discloses silicon carbide ceramic paste for photocuring and a preparation method thereof. The paste is prepared by mixing SiC mixed powder, a dispersing agent, a monomer, a compatilizerand a photoinitiator, wherein the surface of the SiC mixed powder is coated with a SiO2 layer, so that the refractive index difference between the final paste and light-cured resin is reduced, and then printing efficiency is further improved. SiO2 can improve the solid phase content of the whole slurry, so that the sintering density of sintered ceramic and the mechanical property of finally formedceramic can be improved during subsequent ceramic sintering. Through addition of the dispersing agent into the slurry, the agglomeration phenomenon of the slurry can be reduced, the dispersity is improved, and the solid phase content of the whole slurry can be increased. Verification finds that the solid phase content in the paste can finally reach 40%-60%.

The invention discloses a method for treating arsenic-containing wastewater and solidifying arsenic. The method comprises the following steps: separating and enriching arsenic in the arsenic-containing wastewater in the form of calcium arsenate or/and calcium arsenite precipitate; and oxidizing the obtained arsenic enriched product in a ferric sulfate or ferrous sulfate solution, and carrying outnormal-pressure reaction or pressurized hydrothermal reaction or normal-pressure hydrothermal reaction, so that arsenic in the arsenic enriched product is solidified in the form of scorodite crystals.The obtained scorodite crystals are complete in grain development, uniform in grain distribution and stable in structure under acidic conditions. The method has the advantages of high operation efficiency, good arsenic fixation effect, convenience in operation, low arsenic solidification treatment cost and the like, and is suitable for industrial application of harmless treatment of arsenic-containing wastewater.

The invention discloses an electron beam radiation curing coating for metal heavy anti-corrosion. The coating is prepared from, by mass, 50%-80% of oligomer, 0.1-0.5% of reactive diluent, 1-10% of functional filler, 5-20% of antirust dyestuff and 5-15% of auxiliary filler, and the total mass percentage of the components is 100%. The curing coating for metal heavy anti-corrosion is cured by electron beam radiation, has the advantages of high efficiency and energy conservation, environment friendship and convenient operation, cured depth of the coating is high, thickness is big, and the adhesive force between the coating and the substrate is strong. A conductive carbon material is doped in the curable coating, thus the problem of metal heavy anti-corrosion is solved while electron beam energy absorption is avoided, and it is guaranteed that cured efficiency is not affected. The electron beam radiation curing coating for metal heavy anti-corrosion has excellent wear-resistance and corrosion-resistance, can be applied to the field of metal heavy anti-corrosion anti-corrosion, and is particularly applicable to the field of maritime work heavy anti-corrosion.

The invention discloses a steel slag-desulfurized gypsum based soil solidification agent applicable to arsenic contaminated soil. The soil solidification agent contains the ingredients in percentage by weight: 40% to 45% of steel slag, 15% to 25% of desulfurized gypsum, 22% to 30% of slag, 7% to 10% of cement clinker and 3% of excitant. According to the soil solidification agent disclosed by the invention, arsenic is solidified and stabilized mainly by means of chemical wrapping and in-phase replaced solidifying, and the age of a solidifying reaction can be shortened and the mixed amount of the solidification agent and solidified volume increase ratio in engineering applications can be lowered while a solidifying effect is guaranteed, so that the solidifying efficiency is increased greatly.

The invention discloses a high-temperature-resistant toughened light-cured resin composition and a preparation method thereof. The composition contains the following raw materials: acrylic resin, epoxy resin, an active diluent, a free radical initiator 1, a free radical initiator 2, a cationic initiator, polyol, a leveling agent, an antifoaming agent, a wetting dispersing agent, nano-core-shell rubber, nano-silicon oxide and a pigment. According to the resin composition, the curing rate of high-temperature-resistant light-cured resin can be effectively increased, and the initial strength of a product is greatly enhanced; furthermore, the material further has relatively high tenacity, so that the operations of punching, screw drilling and the like can be realized on a sample. Therefore, the high-temperature-resistant toughened light-cured resin composition has the characteristics of high curing efficiency and initial strength, excellent high temperature resistance, good tenacity and stable dimension.

The invention relates to the technical field of sealants, in particular to a solvent-resistant epoxy modified polyurethane sealant and a preparation method thereof. The sealant is prepared from, by weight, 20-40% of an epoxy modified polyurethane prepolymer A, 10-30% of a low-viscosity polyurethane prepolymer B, 29.4-59.4% of an inorganic filler, 0.01-30% of a thixotropic agent, 0.01-2% of a curing promoter, 0.01-2% of a water removal stabilizer and 0.01-2% of an adhesion promoter. The epoxy modified polyurethane sealant has excellent chemical corrosion resistance and mechanical properties, through a chemical corrosion test in the industry standard of a membrane-type gas meter, after liquid immersion, the mechanical properties, mass change rate and volume change rate of the sealant can allbe kept at a very small change rate, the adhesive sealing effect is good, and the sealant can keep the good adhesive sealing function during long-term use in the gas meter.

The invention discloses a display base plate, which comprises a display region and a periphery region covering the display region. The display base plate is fixed to a contraposition base plate through frame sealing glue in the periphery region. The display base plate comprises a substrate base plate and a curing energy transmission layer arranged on the substrate base plate. The projection of the frame sealing glue on the substrate base plate falls in the protection of the curing energy transmission layer on the substrate base plate or is overlapped with the projection of the curing energy transmission layer on the substrate base plate. By installing the curing energy transmission layer which is transparent for a curing energy beam in the display base plate, the curing energy beam can be illuminated to the frame sealing glue through the curing energy transmission layer at the display base plate side; the irradiation from the contraposition base plate side is not needed, so that the curing efficiency of the curing energy beam on the frame sealing glue is improved. The invention also discloses a manufacturing method of the display base plate, a display panel, a manufacturing method of the display panel and a display device.