10results about How to "Guaranteed cohesion" patented technology

The invention discloses an optical coating rubbing coating as well as a preparation method and application thereof, and belongs to the technical field of coatings. The coating comprises a first treating agent layer, a colored paint coating layer, a UV primer layer, an optical coating layer, a second treating agent layer, a PU intermediate paint layer, a gold stamping layer, a third treating agent layer and a UV finish paint layer. The structure of the optical coating layer is five, and the material of the optical coating layer comprises silicon dioxide, lithium sesquioxide, silicon dioxide, lithium sesquioxide and silicon dioxide metal overlapped coating layers which are sequentially coated on the UV primer layer. The preparation method of the coating comprises the following steps: sequentially spraying the first treating agent layer, the colored paint coating layer and the UV primer layer on the surface of the base material, carrying out optical coating, continuously spraying the second treating agent layer and the PU intermediate paint layer, carrying out gold stamping treatment, continuously spraying the third treating agent layer and the UV finish paint layer. Through the synergistic effect of different components, the adhesive force of the coating is improved, and meanwhile the coating has the good metal texture and the high-texture visual effect.

The invention discloses a large-site impedance mud type polycarboxylic acid water reducer, which is a segmented copolymer formed by an unsaturated polyoxyethylene ether monomer, a tristyrylphenol polyoxyethylene ether phosphate monomer and an unsaturated carboxylic acid monomer. On the basis of a traditional polycarboxylate superplasticizer structure, tristyrylphenol polyoxyethylene ether phosphate, a polycarboxylate superplasticizer with a molecular structure containing a polyoxyethylene ether long chain, a large steric hindrance group with a plurality of benzene ring structures and a phosphate group with a mud-resistant function are further introduced; the water reducing agent can reduce the adsorption of soil to the water reducing agent under the condition of low mixing amount, ensures a better water reducing effect, and is suitable for popularization and application.

The invention discloses a preparation method of a flexible composite solid electrolyte membrane, and belongs to the technical field of ion batteries, the flexible composite solid electrolyte membrane comprises a support material and an electrolyte membrane layer arranged on the surface of the support material, and the electrolyte membrane layer contains an acrylate copolymer and a nanoscale oxide electrolyte; the monomer of the acrylate copolymer comprises an acrylate cross-linking agent monomer. The invention also provides a battery using the flexible composite solid electrolyte membrane and a vehicle using the battery. The flexible composite solid electrolyte membrane provided by the invention can improve the mechanical properties of an electrolyte and the adaptability of the electrolyte to industrial production, improve the electrochemical properties and stability of a battery, and improve the use safety.

The invention relates to the technical field of hot melt adhesives, and discloses a preparation process of an EVA (ethylene-vinyl acetate) hot melt adhesive with stable adhesion, which comprises the following steps: preparing the following components in parts by weight: 30-60 parts of EVA resin, 6-10 parts of synthetic wax, 3-15 parts of paraffin, 20-30 parts of tackifying resin, 0.5-1.2 parts of pentaerythritol triacrylate, 1-2 parts of antioxidant and 10-25 parts of isobutyltriethoxysilane; s2, EVA resin, synthetic wax, paraffin, pentaerythritol triacrylate and isobutyl triethoxy silicon are added into a reaction kettle according to the weight parts in the step S1, heating is conducted while stirring is conducted to 90-150 DEG C, uniform stirring is conducted, and the stirring rotating speed is 120-200 r / min; then adding an antioxidant into the reaction kettle, continuously heating to 150-180 DEG C, and stirring until the materials are uniformly mixed; the isobutyltriethoxysilane is added and can chemically react with water molecules in air to form a permanent and firm environment-friendly waterproof layer, so that the EVA hot melt adhesive has a certain waterproof effect, and the adhesion of the EVA hot melt adhesive is ensured.

The application discloses a water-based graphene rust-preventing anticorrosion primer and a preparation method thereof, and belongs to the technical field of paints. The paint is prepared by mixing component A and component B at a mass ratio of 1:1-1:3. The paint uses water as a dispersion medium, is non-combustible and non-explosive, is environmentally friendly and safe, and is convenient to operate, and thus overcomes the shortcomings of oil-based primers. Meanwhile, the rust layer conversion technology is used, so that the process and materials are saved. In addition, the application of the nano material graphene enables the coating to have outstanding anticorrosion effect and mechanical properties.

The invention discloses a contactor production line, comprising a feeding assembly table, and a base component assembly line, an intermediate assembly line, and a base component assembly line arranged in a U-shaped interval around the feeding assembly table; a U-shaped flow channel structure is extended between the base component assembly line, the intermediate assembly line, and the base component assembly line; the intermediate assembly line is used to assemble the base semi-finished product of the base component assembly line with the base semi-finished product of the base component assembly line into a contactor finished product; the U-shaped production line design reduces the work site, and the process layout is reasonable; the base component assembly line and the base component assembly line independently complete the assembly of their respective parts, and finally the intermediate assembly line completes the final assembly, which can reduce the waiting time of the assembly process, improve the overall assembly progress, and the connection between the various processes is smooth and the assembly efficiency is high. In addition, the number of workers is significantly reduced, the labor cost and management difficulty are reduced, and the competitiveness of contactor products is improved.

This invention discloses a 5052 aluminum alloy cavity for semiconductor devices and its preparation method, relating to the field of aluminum alloy material technology. Specifically, it includes the following steps: S1: First, the 5052 aluminum alloy ingot undergoes a two-stage homogenization treatment, followed by a three-stage free forging process, and finally, spray cooling and air drying to obtain a shaped cavity substrate; S2: After plasma cleaning, the shaped cavity substrate is subjected to magnetron sputtering technology to sequentially deposit a transition layer, a barrier layer, and a functional layer on its inner surface to obtain the 5052 aluminum alloy cavity for semiconductor devices. The 5052 aluminum alloy cavity prepared by this invention can greatly ensure the stability and purity of the prepared aerospace semiconductors, meeting the manufacturing needs of high-performance chips for aerospace applications, and is of great significance.

This invention provides a pile foundation structure for offshore wind turbine towers, belonging to the field of offshore wind power technology. The pile foundation structure includes a pile cylinder extending vertically along its axis and cast-in-place piles fixedly installed at the bottom of the pile cylinder. The pile cylinder and the cast-in-place piles are coaxially arranged. Each cast-in-place pile includes a pile tube. Multiple support fins extending along the axial direction are fixedly installed on the outer wall of the pile tube, evenly distributed along the circumference of the pile tube. A protective cylinder is slidably sleeved on the outer wall of the pile cylinder. A fixing plate is fixedly sleeved on the outer wall of the pile cylinder, located above the protective cylinder, to limit the movement of the protective cylinder along its axial direction. A protective frame is fixedly sleeved on the bottom of the outer wall of the protective cylinder. The protective frame includes a fixing disc coaxially arranged with the protective cylinder. Two sets of protective components are fixedly installed at the bottom of the fixing disc to prevent the pile cylinder from sinking and tilting due to geological changes after long-term use.

The invention relates to the technical field of concrete, and discloses a low-standard machine-made sand concrete for super high-rise pumping, which comprises the following components: 240-270 parts by weight of cement, 60-80 parts by weight of mineral powder, 90-120 parts by weight of fly ash, 800-860 parts by weight of machine-made sand, 900-950 parts by weight of stone, 160-170 parts by weight of clear water, 4-6 parts by weight of admixture and 4-6 parts by weight of cellulose ether. According to the preparation method of the low-standard machine-made sand concrete for super high-rise pumping, by optimizing the mass ratio of the mineral powder to the fly ash to the machine-made sand to the stone to the clear water to the additive, it is ensured that the concrete has excellent fluidity and stability, so that the concrete can smoothly pass through pumping equipment and has excellent performance in high-altitude operation; by means of the accurate proportioning and mixing process, the concrete obtains good workability, high pumpability can be maintained even under the pumping condition of a super high-rise building, the pump damage phenomenon is reduced, the common problems of pipe burst and pump blockage in the construction process are effectively avoided, and therefore the construction efficiency and safety are improved.

The invention aims to provide the bio-based core-shell structure acrylic pressure-sensitive adhesive and the preparation method thereof, and the lignin bio-based monomer is introduced, so that the adhesive has the advantages of environmental protection and reproducibility. The cohesive force of the polymer is ensured, the sufficient wetting ability and viscosity are also ensured, and the adhesive has excellent initial adhesion, peel strength and persistent adhesivity. The film has the characteristics of convenience in use and good environmental friendliness, can be improved by a user according to different requirements, and can be widely applied to the fields of packaging, advertisements, protective films, transportation, electronics and the like.