47results about How to "Improve overlay performance" patented technology

The invention discloses preparation methods of a hot melt pressure-sensitive adhesive and a protective film as well as the hot melt pressure-sensitive adhesive. The preparation method of the hot melt pressure-sensitive adhesive comprises the following steps: adding thermoplastic elastomers, a tackifier, a plasticizer, an antiager, an antioxidant, a crosslinker, a filler and the like into a double-mixed column mixer, stirring, heating until the materials are melted down, and uniformly mixing to obtain the pressure-sensitive adhesive. The preparation method of the protective film comprises the following steps: directly pumping the melted and uniformly mixed pressure-sensitive adhesive into a coating roll of the a hot melt coating machine by a heat transfer pump, coating the pressure-sensitive adhesive onto one face of a polyolefin plastic film or thin plastic-coated paper, cooling, and rolling to obtain the protective film (paper). The hot melt pressure-sensitive adhesive disclosed by the invention can obtain good initial stickiness, cohesion and age stripping property by changing the different ratio of the thermoplastic elastomer as well as the variety and usage amount of the tackifier. The prepared polyethylene (PE) film substrate protective film has low interfacial tension, good initial stickiness, high cohesion and high temperature resistance, light resistance and weather resistance, and the comprehensive performance and product cost of the hot melt pressure-sensitive adhesive disclosed by the invention are better than those of the traditional solvent pressure-sensitive adhesive taking natural rubber as the main material.

The invention discloses a halogen-free flame-retardant adhesive composition. The composition comprises the following components in part by weight: 15 to 45 parts of halogen-free epoxy resin, 15 to 60 parts of thermoplastic resin and/or synthetic rubber, 0.1 to 8 parts of curing agent and 5 to 60 parts of phosphorus-containing composite flame retardant. The invention also discloses a flexible copper-clad plate using the adhesive composition. The cured product of the adhesive composition provided by the invention shows high flame retardance, peeling strength, electric performance and welding heat resistance, does not comprise harmful substances or elements such as halogen, antimonide and the like and does not pollute environment; the flame retardant rating of the flexible copper-clad plate prepared from the composition of the invention reaches UL-94V0, and the flexible copper-clad plate also has the advantages of high heat resistance, high peeling strength, soldering resistance, no demixing after being subjected to dip soldering at the temperature of 300 DEG C for 1 minute and no bubbles; and because the halogen-free composition of the invention has high sticking performance, the speed of a production line can be increased and the production efficiency is improved.

The invention provides a pre-stressed duct grouting agent which has the characteristics of high fluidity, bleeding prevention and the like. The pre-stressed duct grouting agent comprises the following components: 2 to 10 percent of a water reducing agent, 0.1 to 10 percent of a viscosity modifying agent, 0 to 1 percent of a defoaming agent, and 35 to 78 percent of a coagulation time regulating agent; the coagulation time regulating agent comprises the following components: 28 to 52 percent of clinker, 42 to 68 percent of plaster, 4 to 30 percent of fillers, and 0 to 3 percent of a coagulation accelerator. The invention further provides a preparation method and an application method of the pre-stressed duct grouting agent. The invention has the advantages that the pre-stressed duct grouting agent contains the cement coagulation time regulating agent, so that the coagulation time of a cement-based composite material can be regulated based on external temperature changes to guarantee the normal use and normal strength growth of the cement-based composite material; meanwhile, the cement-based composite material achieves micro-expansion at the later stage due to the addition of the cement coagulation time regulating agent.

A caption adding system is featured as connecting control module to the first and the second sampling modules as well as image-caption mixing module, connecting image-caption mixing module separately to the first sampling module and the second sampling module, inputting image signal to image-caption mixing module via the first sampling module, inputting caption signal to image-caption mixing module via caption edging module and the second sampling module, outputting mixed image and caption signal from image-caption mixing module.

The invention relates to a system and method for superimposing subtitles on dynamic or static images. The existing method has the defects on pollution of each other's color images and subtitles through the way of superimposing subtitles on the video content directly. The system includes a control module, a hybrid module and an image sampling module, which are connected with each other. The image-signals are input at one end of the hybrid module. The subtitle-signals are input at the other end of the hybrid module by the subtitles bordering module involved in the described system. Then the mixed signals of images and subtitles are output through the image sampling module.

A method and system for reconstructing seismic data based on Fourier transform are disclosed. The method may comprise the following steps: establishing a Fourier reconstruction linear equation by a multi-step autoregressive method based on initial seismic data; establishing a target function by least squares inversion based on Fourier reconstruction linear equation; obtaining a sparse solution based on the objective function, and further reconstructing seismic data. The method combines the least squares Fourier reconstruction method and the multi-step autoregressive method to obtain a good application effect for accurately reconstructing complex seismic data, which plays a very important role for improving the precision of subsequent velocity analysis, improving the superposition effect, enhancing the quality of pre-stack migration, etc.

The invention relates to a manufacturing method for ferrum-silicon-aluminum magnetic cores. The manufacturing method for the ferrum-silicon-aluminum magnetic cores includes that ferrum-silicon-aluminum magnetic powder is processed through acid and then dry-pressed, so that the power is easy to mold, product density is improved, and meanwhile, the power can achieve high magnetic conductivity after heat treatment. Compared with the prior art, the manufacturing method for the ferrum-silicon-aluminum magnetic cores has the advantages that by means of control of the appending proportion, intensity of pressure of molding, sintering temperature and the like in power allocation, the ferrum-silicon-aluminum magnetic cores with 147 (+/- 8%) of magnetic conductivity are manufactured, and the ferrum-silicon-aluminum magnetic cores are low in iron loss and good in composition performance; process sequences are simple; and raw and auxiliary materials are low in cost.

The invention discloses a preparation method of a manganese-zinc soft magnetic ferrite material, and belongs to the technical field of soft magnetic ferrite. The preparation method comprises the steps that ferric oxide, manganese carbonate, hydrochloric acid and the like are put into a ball mill for ball milling; a ball milling mixture is collected, dried in a drying oven and then crushed in a crusher to obtain sieving particles; uniform stirring with triethanolamine, tetrabutyl titanate and the like is performed; the mixture is calcined; a calcined product, strontium carbonate, columbic anhydride, calcium oxide and zirconium boride are subjected to ball milling treatment, and then fused and milled in an electric furnace; a milling mixture is uniformly mixed with a polyvinyl alcohol solution; spray drying is performed; a dried product is put into a mold, pressed by a pressing machine, and calcined in a calcining furnace; and a calcined product is collected to obtain the manganese-zinc soft magnetic ferrite material. The manganese-zinc soft magnetic ferrite material prepared by the method has higher purity and stable performance.

The invention provides a seismic data weighted stacking method based on dynamic time warping. The method comprises the steps of S1 selecting a reference seismic trace, and setting the reference seismic trace as an arithmetic mean value of a pre-stack seismic data matrix in a spatial direction; S2 calculating DTW matching points between each pre-stack seismic trace and the reference seismic trace through the following formula, and searching sampling points associated with each sampling point of the reference seismic trace in the CMP trace set; S3 setting the weight of each sampling point according to the noise of each related sampling point; S4 updating each sampling point of the reference seismic trace as a weighted average value of the sampling points related to the sampling point; and S5repeating the steps S2 to S4 until convergence, and outputting the reference seismic trace as a final superimposed seismic trace. According to the method, the advantages of a DTW method and a weighted stacking method are combined, the influence of seismic trace time migration errors and seismic data noise on data stacking is overcome, and a good application effect is obtained through testing on synthetic data and real seismic data.

The invention discloses a wind generating set based on direct piezoelectric effect, comprising a windward member, a piezoelectric generating component and a subsequent processing circuit module. The wind generating set generates power from wind by combining wind energy utilization and piezoelectric power generation and has the advantages of simple structure, convenience in mounting, manufacturing and maintenance, low cost, high wind energy utilization rate, low start wind speed and the like.

The invention discloses a high-superposition magnetic core material. The high-superposition magnetic core material is prepared from, by weight, 60-65 parts of hydroxyl iron powder, 10-15 parts of iron sesquioxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyving akohol, 7-9 parts of sodium silicate, 0.4-0.5 part of neodymium oxide, 1-1.3 parts of glass powder, 0.4-0.7 part of lithium chloride and a proper amount of water. The prepared magnetic core material has the functions of very good superposition performance, high stability, the low loss and other aspects, the preparing technology is simple, material sources are wide, cost is low, and good applicability is achieved.

The invention relates to ferrite water-based pigment paste for cosmetics, a preparation method thereof and a preparation method of make-up products. The pigment paste is prepared from the following components in percentage: 10-55 percent of ferrite colorant, 1-25 percent of a wetting dispersant, 3-10 percent of cosolvent, 0.5-3 percent of magnesium lithium silicate, 2-5 percent of xanthan gum, 1-2percent of bactericide and the balance being solvent water. An excellent effect can be achieved by using an antisettling technology of combining 0.5-3 percent of magnesium lithium silicate and 2-5 percent of xanthan gum, and the paste is excellent in storing stability, can be placed at normal temperature for 3 years or placed at high temperature of 55 DEG C for 6 months, and has the disperse system viscosity variation being less than 5 percent. The invention provides a set of paste meeting the requirement of related regulations of cosmetics (including eyes and mucous contact cosmetics) from different countries in the world and can be used for making different colors by mixing different colors of pastes. The stability and compatibility of paste are highly required to meet the demand of combination.

The invention relates to a wear-resistant coating material for a wooden tea table surface plates, and relates to the technical field of tea table processing and production, wherein the wear-resistantcoating material is prepared from the following materials by weight: 10-15 parts of a resin, 4-9 parts of a silane coupling agent KH-550, 4-8 parts of modified perlite, 5-9 parts of an adhesion aid, 1-5 parts of N,N-methylenebisacrylamide, 4-9 parts of n-dodecyltrichlorosilane, 1-5 parts of polydicyclopentadiene, 1-6 parts of 2-(heptadecenyl)-4,5-dihydro-1H-imidazole-1-ethanol, 1-3 parts of dioctyl epoxy tetrahydrophthalate, 2-7 parts of nanometer titanium dioxide, 4-8 parts of an anti-aging agent A, 4-9 parts of a filler, and 16-22 parts of deionized water. According to the present invention,the method is reasonable, the operation is convenient, and the wear-resistant coating material has characteristics of wear resistance and high temperature resistance.