12results about How to "Avoid whitening" patented technology

The invention relates to the technical field of photovoltaic panels, and discloses an enhanced flexible photovoltaic panel, a preparation method thereof and a flexible light photovoltaic module. The reinforced flexible photovoltaic panel comprises a moisture-proof protective layer, a composite fiber reinforced plate and an inner bonding material layer which are sequentially laminated and compounded from outside to inside, the moisture-proof protective coating comprises organic silicon resin, acrylic resin, an organic silicon water repellent, a filler, an antioxidant, a defoaming agent, a flatting agent, a curing agent and a catalyst which are mixed according to the mass ratio of (40-75): 30: 4: 8: 0.5: 0.3: 0.3: 10: 0.5; the molecular weight of the organic silicon resin is 1000 to 4000. According to the enhanced flexible photovoltaic panel, the moisture-proof protective coating is optimized, and through cooperation of all the layers, the comprehensive performance, reliability and stability of the flexible light photovoltaic module can be effectively improved, the defects of a traditional flexible module in the aspects of bending strength, hardness, high temperature resistance, moisture resistance and the like are overcome, and the service life of the flexible light photovoltaic module is prolonged.

The present invention provides a polymer and a preparation method and use thereof, wherein the polymer is formed by polymerization of the following components: 1) at least one monohydric alcohol, wherein the monohydric alcohol includes one or two of the compounds of formula V1 and formula V2; 2) at least one polyether polyol; and 3) at least one diisocyanate. The polymer provided by the present invention is used as a thickener in a film-forming system containing an aqueous resin to form a denser hydrophobic associative network, which can not only improve the thickening efficiency, but also improve the permeability of the wet film of the aqueous resin system and the water resistance of the dry film.

The utility model relates to a kind of ejection force reinforcing structure based on small elastic block, belongs to injection mould technical field, including injection mould, the injection mould is equipped with injection product, the injection product side lower end is equipped with ejection elastic block subassembly with injection mould interval.The ejection elastic block subassembly includes elastic block, the elastic block is equipped with the isohypse screw extending out the lower end of elastic block, the isohypse screw and the elastic block are equipped with the boss with isohypse screw hole type screw thread sleeve joint, the lower part of the elastic block and isohypse screw are equipped with the spring with isohypse screw sleeve joint.It has the characteristics of simple structure, good effect and high running stability.Through ejection elastic block subassembly, more powerful, more stable ejection force is provided in limited space, the powerful, stable, accurate ejection to difficult demoulding product is realized, while ensuring the accuracy of ejection action and the long life of mould.

The utility model discloses an injection mold rapid forming device which comprises a base, a transverse rod is arranged at the position, close to the bottom, in the base, a motor is fixedly installed at the position, close to the center, of the bottom in the base, a second gear is fixedly installed in the center of the surface of the transverse rod, and the bottom of the second gear is connected with a first gear in a meshed mode. According to the rapid molding device for the injection mold, through the design of a transverse rod, a motor, a first gear, a second gear, cams, rolling grooves, a transverse plate, balls, a sleeve, an ejector rod, a first spring and a second spring, the motor drives the first gear to be in meshing transmission to drive the transverse rod to rotate synchronously, so that the rolling grooves in the outer walls of the cams on the two sides are in rolling contact with the balls at the bottom of the transverse plate; when the transverse plate ascends, the ejector rod in the sleeve firstly makes flexible contact with a product in the lower die through the pre-tightening force of the first spring, initial impact force is effectively absorbed, and ejection marks or deformation caused by rigid collision is avoided.

The invention relates to the technical field of injection molds, in particular to a plastic part injection mold which comprises an injection molding hole, a male mold plate, a female mold plate and a cooling assembly. The device further comprises a fixing plate, a jacking assembly and a connecting assembly. The fixing plate comprises an upper fixing plate and a lower fixing plate; the jacking assembly is connected with the lower fixing plate; the connecting assembly is connected between the upper fixing plate and the jacking assembly; when the plastic part is ejected and pressed by the ejector rod, the plastic part is fixed, and the force on the plastic part is gradually increased, so that the surface ejection deformation of the plastic part caused by excessive instantaneous pressure is avoided, the ejection process is changed from slow to fast and then slow, the influence of vacuum negative pressure on the plastic part is reduced, and the demolding quality of the plastic part is ensured; therefore, the problem of low surface quality of a plastic part finished product caused by high pressure between the plastic part and the ejector rod in the demolding process of a product with a small size and an irregular shape is solved.

The invention discloses a thermoplastic printing material for material stacking type color 3D printing and an optical parameter regulation and control method thereof.The thermoplastic printing material uses PLA and / or PETG as a matrix, the transparency, the light scattering characteristic and the coloring absorption characteristic are cooperatively regulated and controlled, and the target color overlapping effect of the color overlapping behavior of multiple layers of materials is combined; reverse optimization is carried out on optical parameters of the material, so that the material has limited but sufficient light transmissivity under the single-layer printing thickness, complete color development can be realized under limited-layer stacking, meanwhile, an upper-layer material cannot completely shield a lower-layer material, and color desaturation caused by too high haze is avoided, so that a stable and predictable multi-layer color stacking effect is formed; the method can be used for constructing a material stacking scheme database, and high-color quasi-color 3D printing is achieved.

The invention relates to the technical field of high polymer material auxiliaries, and discloses a low-VOC high-weather-resistance PCR-PP composite material and a preparation method thereof.The low-VOC high-weather-resistance PCR-PP composite material is prepared from, by weight, 5-15 parts of a main stable component containing a piperidine ring structure, 2-8 parts of aliphatic polyol with the hydroxyl value being 1600-1650 mgKOH / g, 10-30 parts of organic modified magnesium-aluminum hydrotalcite with the interlayer spacing larger than 2.6 nm, 5-15 parts of an auxiliary stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable component containing a main stable Components are compounded through 110 deposition and 130 wetting, a hydrogen bond network coating layer with the thickness of 10-30 nm is formed in a 180-210 melting shear field, a physical pinning structure is constructed by means of intermolecular acting force among the components, diffusion activation energy of main stable components in a matrix is improved, migration loss is inhibited, and the bonding strength of the main stable components is improved. The alkaline active sites of the modified magnesium-aluminum hydrotalcite are used for in-situ neutralization of acidic oxidation intermediates generated by aging of regenerated polypropylene, so that an odor source is eliminated.

The application discloses a kind of router shell continuous injection molding equipment and molding process, it is related to injection molding equipment technical field, including machine tool, fixedly connected in the top of machine tool fixed die assembly and injection system;Fixed die assembly is close to the part of four corners and is equipped with through-hole, still include: linkage rod, slidably be internally provided in through-hole;Movable die assembly is provided with two groups, and is respectively installed in the two ends of linkage rod.The application is cooperated by setting symmetrical double movable die assembly and one fixed die assembly with double cavity, and is equipped with the moving assembly of making double movable die alternate operation, and the equipment realizes the real double position continuous production, when one side position is in injection, pressure maintaining or cooling phase, the other side position can carry out opening mould, ejection demoulding and closing mould preparation etc. action in synchronization, to overlap completely in time with the auxiliary process and main molding process which originally serial, must wait, significantly reduce equipment idle waiting period, greatly improve equipment utilization and production efficiency.

The utility model discloses a display module capable of solving the problem that a display screen becomes white due to static electricity, which comprises a cover plate, a display screen and a backlight module which are sequentially arranged, conductive ink is printed on the back face of the cover plate in a silk-screen mode, and conductive paper used for connecting the conductive ink and the backlight module is attached to the back face of the backlight module. The display module has the effects that the conductive ink is arranged, and the cover plate and the backlight module are conducted through the conductive paper, so that static electricity generated on the cover plate and the display screen is released, and the display screen is prevented from becoming white.

The invention relates to the technical field of ecological restoration methods, in particular to an ecological restoration method for a mountain high retaining wall close to a municipal road, which comprises the following steps of: obtaining information data of a vertical face, a plane and a surrounding mountain of the high retaining wall through aerial photography of an unmanned aerial vehicle and terrain repair and measurement, and constructing a multi-dimensional and composite ecological restoration block according to the information data; the multi-type retaining wall in the multi-dimensional and composite ecological restoration block is subjected to texture and ecological treatment, planting areas in the multi-dimensional and composite ecological restoration block are filled with planting soil with organic fertilizer, corresponding plant varieties are planted in the planting areas with different ecological restoration requirements, and ecological restoration of the mountain high retaining wall is completed. According to the ecological restoration method, multi-level and multi-dimensional mountain high retaining wall ecological restoration is carried out on the basis of the habitat restoration level, so that the phenomenon that the urban mountain land is exposed due to the fact that the retaining wall is exposed is effectively avoided, the retaining wall is integrated into a mountain forest, and the mountain landscape with gradually-changed levels and diversified seasons and the ecological environment with perfect biodiversity are formed.

The interlayer adhesive according to the present invention comprises a resin layer containing a polyvinyl acetal resin, wherein the content of an alkali metal and an alkaline earth metal contained in the resin layer is 15 ppm or less. According to the present invention, it is possible to provide an interlayer adhesive which contains a polyvinyl acetal resin and is capable of suppressing whitening.