124results about How to "Improve reflective effect" patented technology

The invention relates to the technical field of chips, in particular to a reversed-polarity red light emitting LED chip and a manufacturing method thereof. The reversed-polarity red light emitting LED chip comprises a graphite substrate, a graphene bonding layer, an Ag reflector, an AZO conductive thin film layer, an MgF dielectric film layer, a GaP window layer, a P-type semiconductor layer, a light emitting layer, an N-type epitaxial limiting layer, an N-type current expansion layer, a coarsening layer, a passivation layer, a GaAs contact layer and an N electrode from bottom to top. According to the LED chip and the manufacturing method thereof, reasonable design is carried out on the chip manufacturing process, a mirror surface layer, a bonding layer, back gold and other metals do not need to be evaporated for multiple times, the chip manufacturing process is shortened, the use of chip gold can be greatly reduced, and the obtained LED chip is high in brightness, good in reliability, long in service life and low in cost.

The invention discloses an application and verification method of antisymmetric chiral metasurface and phase amplitude regulation and control, and belongs to the field of micro-nano optics, the antisymmetric chiral metasurface comprises a surface layer, a middle layer and a back plate layer which are sequentially arranged from top to bottom, and the surface layer is composed of a left semicircular ring and a right semicircular ring; the two ends of the side, facing the right half ring, of the left half ring are bent towards the circle center to form a first protrusion and a second protrusion, one end of the side, facing the left half ring, of the right half ring is bent towards the circle center to form a third protrusion, and the third protrusion and the first protrusion are symmetrically arranged about the circle center. The length of the third protrusion is equal to that of the first protrusion, and the length of the first protrusion is larger than that of the second protrusion. By adopting the application and verification method of the antisymmetric chiral metasurface and phase amplitude regulation and control, by breaking C2 (second-order rotation) symmetry and mirror symmetry, not only can spin decoupling phase control be realized through chiral phase, but also the amplitude of reflected waves can be adjusted by using circular dichroism.

The invention relates to the technical field of semiconductor photoelectricity, and discloses a device-level optical integrated light source which comprises a support, a light-emitting chip, a lens and a light-transmitting glue layer. The light-emitting chip is arranged on the support, and the lens is arranged above the support and covers the light-emitting chip. The lens includes a lower optical interface and an upper optical interface. And the light-transmitting glue layer is filled between the bracket and the lens and at least covers the light-emitting surface of the light-emitting chip. And a reflecting surface which forms a certain included angle with the light-emitting surface of the light-emitting chip is arranged on the peripheral side surface of the lower optical interface. And the reflecting surface is an intersection interface of the lens and the light-transmitting glue layer or / and an intersection interface of the lens and air. The device-level optical integrated light source is high in light energy utilization rate, concentrated in light spot energy and good in edge light cut-off effect; compared with a conventional one-time packaging light source, the light energy utilization rate is improved by at least 50%. Meanwhile, the overall structure is simple and reasonable, the size is small, integrated design of a device-level optical integrated light source is easy, and manufacturing is easy.

The utility model discloses a cosmetic mirror structure which comprises a mirror body, a light-emitting assembly is arranged on the mirror body, and a light reflecting piece and a light guiding piece which can improve illumination brightness are arranged in the mirror body. The light reflecting piece and the light guiding piece are arranged in the mirror body, the light reflecting piece is in an annular shape and is provided with a concave groove position, and the light guiding piece is arranged in the mirror body. And a multi-surface and multi-angle space for placing the light bar is formed in cooperation with the light guide piece, a stronger light reflection effect can be provided when the light bar works, and compared with a traditional mode that reflective paper and a light guide plate are fixed in a pressing mode, the light guide plate has better illumination intensity. In cooperation with the non-integrated die-casting mirror body, a multi-accessory combined structure is adopted, so that the process is simpler, the installation is easier, and the cost is lower.

The invention relates to the technical field of marking coatings, and discloses an all-weather double-component reflective porcelain crystal marking coating as well as a preparation method and application thereof. The marking paint comprises a first component, a second component and a modified nano titanium dioxide component, wherein the first component comprises poly (alpha-cyanomethyl acrylate); the second component comprises polymethylacrylic acid; the modified nano titanium dioxide component is modified through a silane coupling agent, so that poly (alpha-cyanomethyl acrylate) and polymethylacrylic acid are bonded together through chemical bonds. The marking paint can be naturally dried and hardened at the temperature of 0-30 DEG C, and the drying and hardening time is 20-30 min. The marking paint is simple in preparation process, integrates multiple properties, does not need heating equipment during use, and has a wide market prospect.

The utility model discloses a high-reflection ultraviolet (UVB) crawler lamp, and relates to the technical field of crawler breeding equipment. The fixed shaft is sleeved and fixed on a lead of the lamp wick body, and the fixed shaft is fixed on the inner top wall of the lampshade; the reflecting plate is arranged in the lampshade, the reflecting plate is arranged on the fixed shaft in a sleeving manner, a plurality of reflecting convex balls are fixed on the lower surface of the reflecting plate, and the diameters of the reflecting convex balls are different; the auxiliary lampwick is arranged on the outer edge of the lower side in the lampshade at equal angles, and a rotating shaft sleeves a wire of the auxiliary lampwick and is inserted into the lower side wall of the lampshade; the angle adjusting mechanism is arranged in the lampshade and connected with the multiple rotating shafts. Linear irradiation can be carried out through the lamp wick body, light rays are emitted out through the opening of the lampshade through cooperation of the auxiliary lamp wick and the reflecting plate, the reflecting effect is good, and therefore the irradiation effect is improved.

The invention discloses a high-stability light-absorption low-reflection film which comprises a substrate layer, an Al2O3 layer, Ti layers, SiO2 layers and a hydrophobic layer, wherein the Ti layers and the SiO2 layers are alternated with each other; wherein the sum of the total optical thicknesses of the Ti layers and the SiO2 layers which are alternated with each other is greater than 4.4726; the invention further discloses a preparation method of the high-stability light-absorption low-reflection film. According to the invention, the Ti layer with a higher refractive index is creatively selected to replace a traditional black film made of a high-refractive-index material, and the high-refractive-index material and the low-refractive-index material are mutually alternated, so that the effective refractive index of the film layer is close to the refractive index of the substrate layer; the problem that the spectral reflectivity is unstable due to the fact that a thin layer is too sensitive in the plating process of a traditional light-absorbing low-reflection film is solved, and the stability, compactness and other performance of the film layer are effectively improved.

The utility model relates to a vehicle shifting device which comprises a vehicle body, a power supply and a central control system, the bottom of the vehicle body is connected with a plurality of Mecanum wheels, and each Mecanum wheel is driven by a respective driving motor to operate; a lifting device is arranged in the middle of the vehicle body and used for lifting a transferred vehicle. Wheel clamping devices are arranged on the two sides of the vehicle body respectively, each wheel clamping device comprises two clamping wheels arranged at intervals, and the two clamping wheels are driven by corresponding lead screw transmission mechanisms to get close to each other or get away from each other respectively; an ultrasonic sensor is arranged in the middle of the wheel clamping device and used for sensing whether a clamped wheel is lifted or not. A laser radar and a camera matrix are arranged at the front end of the vehicle body, and the laser radar and the camera matrix are used for sensing information of the environment where a transferred vehicle is located; and the hollow system is used for controlling the operation of the whole vehicle shifting device. The mobile positioning device can ensure accurate mobile positioning of each vehicle, and is suitable for different environments.

The utility model discloses a photovoltaic module, which comprises a reflective structure and a battery string group, the battery string group comprises a plurality of battery pieces, gaps are arranged among the plurality of battery pieces, and the orthographic projection of the reflective structure on the battery string group at least covers the gaps among the plurality of battery pieces; the light reflecting structure comprises a first light reflecting layer close to the battery piece and a second light reflecting layer stacked with the first light reflecting layer, the first light reflecting layer is an organic material layer, and the second light reflecting layer is a metal layer. According to the embodiment of the utility model, the infrared light entering the gaps among the plurality of battery pieces is reflected by the reflective structures, so that the infrared light is irradiated on the battery pieces again, and the battery pieces absorb the infrared light and convert the infrared light into electric energy, thereby improving the power generation power of the photovoltaic assembly.

The invention provides a processing method of an optical piece with a light reflection inner cavity. The processing method comprises the following steps: obtaining a first film coating piece and a second film coating piece through processing; two plates with the same datum plane are obtained through same-disc machining, the datum plane is used for positioning, and the two plates are machined to obtain a third film-coated part and a fourth film-coated part; an assembly tool is provided, the first film coating piece and the third film coating piece are positioned through the assembly tool, and the bottom face of the third film coating piece is fixed to the surface where the first film coating face of the first film coating piece is located; and positioning the second film coating piece through the assembly tool, and bonding the surface of the second film coating surface of the second film coating piece to the third film coating piece and the fourth film coating piece. The problem that in the prior art, machining of optical parts is difficult to meet the high-standard quality requirement is solved.

The utility model relates to the technical field of cleaning of car washers, in particular to a cleaning strength adjusting device for a car washer, which comprises a water tank. A water pipe is installed at the end, away from the water tank, of the pipeline, a water gun head is connected to the end, away from the pipeline, of the water pipe, a filter screen is installed at a water inlet, extending into the water tank, of the pipeline, and the pipeline and the water pipe provide a path for conveying a water source; the variable-frequency water pump is responsible for conveying a water source of the cleaning vehicle, the distance measuring assembly comprises a fixing piece installed on the outer side face of the water gun head, an installation module, an infrared emitting module and an infrared receiving module, and the infrared emitting module is used for emitting infrared light to measure the distance between the spray head and a target; the distance between the water gun head and the vehicle body is detected in real time through the infrared distance measuring transmitter and the infrared distance measuring receiver, water pressure adjustment is achieved in combination with the variable-frequency water pump, automatic pressure reduction is achieved when the vehicle is close to the vehicle body, and vehicle paint is prevented from being damaged.

The utility model discloses a reflecting film and a windshield, and relates to the technical field of optical projection, and the reflecting film comprises a low-refractive-index dielectric layer and a high-refractive-index dielectric layer which are stacked in sequence; wherein the low-refractive-index dielectric layer is a silicon dioxide film layer with a porous structure, the refractive index of the low-refractive-index dielectric layer is inversely proportional to the porosity of the low-refractive-index dielectric layer, and the porosity refers to the proportion of the volume of pores in the film layer in the volume of the film layer. The silicon dioxide film layer of the porous structure is used as the low-refractive-index medium layer, the refractive index difference value of all media in the reflecting film can be increased by reducing the refractive index of the low-refractive-index medium, the film system of the reflecting film is simpler, the thickness and the preparation process of the reflecting film are easier to control, and the application range is wider. The windshield using the reflecting film has a better reflecting effect on P polarized light, so that the image display effect of a head-up display system is improved.

The utility model relates to the field of lighting, and discloses an LED light source device and lighting equipment. The white ink layer is positioned on the upper surface of the substrate; mounting holes are distributed in the white ink layer; the LED chip is positioned on the upper surface of the substrate and is electrically connected with the substrate through the mounting hole; the white glue reflecting layer is positioned on the surface of the white ink layer and is positioned around the LED chip; and the fluorescent colloid is positioned on the surface of the white glue reflecting layer and covers the LED chip. The white glue reflecting layer is located on the upper surface of the white ink layer, and the white glue reflecting layer has the characteristic of high temperature resistance, is not prone to discoloration at the high temperature and ensures long-term lighting effect stability, so that a good reflecting effect can be achieved on light emitted by the LED chip, the lighting effect of the LED light source device is improved, and the service life of the LED light source device is prolonged. And the problems of color temperature dispersion and poor color consistency can be solved, and the chromaticity stability is improved.

The utility model provides a kind of high-speed tunnel mouth soft blocking security control device, including inflatable security control device, audible alarm, tunnel smooth security code and variable information board, inflatable security control device is several and is set towards the direction of tunnel mouth outside tunnel, inflatable security control device includes air blower and security control bag, air blower is connected with the guardrail vertical rod of tunnel by bearing plate, security control bag is connected with the output end of air blower, audible alarm is interval set on the inner wall of left and right sides of tunnel along tunnel direction of travel, variable information board is set at tunnel entrance, tunnel smooth security code is interval pasted on the inner wall of left and right sides of tunnel along tunnel direction of travel, the utility model realizes tunnel security control by the combination of air blower and security control bag, can be blown full and security control to predetermined position in short time, avoid causing vehicle secondary accident, and introduce tunnel smooth security code, and it is pasted on tunnel wall, passive positioning can be replaced for active alarm by tunnel smooth security code, greatly improve security control efficiency, effectively avoid secondary accident caused by other vehicles entering.

The problem is to provide a thermosetting resin composition that can form a resin layer with an excellent balance of flexibility, reflectivity, heat resistance and warpage. The thermosetting resin composition of the solution is characterized by containing a hydroxyl-containing fluororesin, an isocyanate compound having two or more isocyanate groups, and rutile titanium oxide, wherein the mass ratio of the fluororesin to the isocyanate compound is 1 or more and 20 or less, and the mass ratio of the rutile titanium oxide to the fluororesin is 1.4 or more and 4 or less. In addition, the thermosetting resin composition of the present invention contains a hydroxyl-containing fluororesin, an isocyanate compound having two or more isocyanate groups, and rutile titanium oxide, wherein, when the elemental analysis is performed on the cured product obtained by curing the thermosetting resin composition by a combustion method, when the whole is defined as 100 mass%, it is detected that the ash content is 45 mass% or more, the fluorine atoms are 3 mass% or more, and the nitrogen atoms are 0.1 mass% or more.

The utility model relates to the technical field of reflective material processing, and discloses a reflective film coiling storage device which comprises a bottom plate and supporting legs, extending plates are fixedly connected to the front end and the rear end of the bottom plate, second supporting plates are fixedly connected to the upper surfaces of the extending plates, and connecting blocks are arranged on the faces, close to each other, of the second supporting plates. A second driving motor is fixedly connected to the face, away from the connecting blocks, of the second supporting plate, the second driving motor penetrates through the second supporting plate and is fixedly connected with the connecting blocks, a rotating shaft is arranged between the connecting blocks, clamping structures are arranged in the connecting blocks, and the rotating shaft is connected with the connecting blocks through the clamping structures. The winding roller can be conveniently detached from the surface of the rotating shaft, so that the reflective film can be more conveniently replaced after being wound, the replacement time is shortened, the replacement cost is reduced, firm and reliable connection between the winding roller and the surface of the rotating shaft is ensured, and accidents caused by infirm connection are avoided.

The invention relates to the field of polymeric membranes, in particular to a film and a preparation method and application thereof. The film comprises a first thermoplastic base layer, a functional layer and a second thermoplastic base layer from bottom to top. Wherein continuous first grooves are formed in the surface of the first thermoplastic base layer, a second groove is formed between every two adjacent first grooves, the second groove and the two adjacent first grooves share one notch edge, the space shape of the second groove is the same as the space shape of the first grooves, the notch shape is inverted, and the space shape is a triangular pyramid; the dyne value of the surface is 36 to 58 dyn / cm; the surface of the second thermoplastic base layer is a plane, and the dyne value of the surface is 36-58 dyn / cm; the functional layer comprises an anti-reflection layer and a metal reflection layer; the metal reflecting layer is arranged on the anti-reflection layer; the bottom of the functional layer is attached to the surface of the first thermoplastic base layer, and the upper surface of the functional layer is the same as the surface of the first thermoplastic base layer in shape. The film provided by the invention can give consideration to both light transmittance and heat insulation performance.

The present invention provides a method for preparing an epitaxial wafer with a Bragg reflector, and belongs to the technical field of light-emitting diodes. After the n-type layer, active layer and p-type layer are grown on the substrate, multiple SiO2 refractive layers and Ti3O5 refractive layers are alternately evaporated to obtain a Bragg reflector. The evaporation rate of the SiO2 refractive layer is a first evaporation rate to obtain a SiO2 refractive layer with a surface roughness of 0.5 to 0.8 nm, and the evaporation rate of the Ti3O5 refractive layer is a second evaporation rate to obtain a Ti3O5 refractive layer with a surface roughness of 1.0 to 1.1 nm; the roughness is reasonable, the particles that appear at the junction of the SiO2 refractive layer and the Ti3O5 refractive layer will be reduced, and the junction of the SiO2 refractive layer and the Ti3O5 refractive layer is relatively flat and the roughness is also low. The microscopic crystal quality and interlayer quality of the obtained Bragg reflector are effectively improved to improve the reflective efficiency of the Bragg reflector.

The utility model relates to the technical field of labor protection articles, and discloses a safety shoe with a front anti-smashing toe cap, which comprises a shoe body, a shoelace arranged in the middle of the top end of the shoe body, mounting blocks arranged on the left side and the right side of the shoe body, mounting grooves arranged on the inner sides of the mounting blocks, sliding blocks connected on the inner sides of the mounting grooves in a sliding manner, and threaded holes arranged on the top ends of the mounting blocks. The front sides of the two mounting blocks are fixedly connected with a protective shell, the inner side of the threaded hole is in threaded connection with a screw rod, the inner side of the protective shell is fixedly connected with a plurality of springs, the inner side of the protective shell is fixedly connected with a plurality of fixed shells, and the inner sides of the fixed shells are in sliding connection with sliding shells. According to the safety shoe, the impact force generated when a heavy object falls can be absorbed, so that the foot head is effectively protected, the phenomenon that the foot head is damaged is reduced, the safety performance of the safety shoe is improved, the ventilation function of the safety shoe is improved, and the experience feeling and the comfort degree of using the safety shoe are improved.

The utility model discloses a wheat harvesting straw returning rotary tillage corn planter, which relates to the technical field of seeding equipment, and comprises a fixed frame, a mounting bottom plate, a rotary tillage mechanism, a rotary tillage mechanism, a rotary tillage mechanism and a rotary tillage mechanism, and is characterized in that the mounting bottom plate is mounted at the top of the fixed frame; the corn planting blanking device has the advantages that the fixing frame, the installation bottom plate, the screening roller, the power supply control assembly and the transmission assembly are arranged, when the corn planting blanking device is used, corn planting blanking treatment is carried out through the blanking channel and the blanking hopper, and the installation side plate and the blanking channel are connected in a reinforced mode through matching of positioning bolts; the solar photovoltaic panel is used for recycling solar light resources, the electric power storage box is used for recycling and converting electric power resources, self-sufficiency of the electric power resources is achieved, the overall electric power use cost is saved, the universal wheels are used for driving the overall equipment to move and meet the requirements of operation in different places, the fixing sleeves assist the universal wheels to be connected with the fixing frames, and the fixing sleeves are used for assisting the universal wheels to be connected with the fixing frames. The second driving motor is used for driving the scattering disc to rotate, and the scattering disc is used for scattering the rock soil to cooperate with the whole normal operation.

This invention belongs to the field of flexible functional thin film preparation technology, specifically relating to a method for preparing Janus-structured PDMS thin films and their applications. This method uses PDMS as a flexible substrate, and controls the preparation of titanium dioxide with different morphologies through evaporation-driven hydrothermal methods. Polypyrrole is then composited via in-situ polymerization. An asymmetric interface is constructed by coating two functional fillers: conical titanium dioxide and cracked spherical titanium dioxide, with polypyrrole. The functional layer is then prepared by casting, and finally cured to obtain the desired product. This invention utilizes the high absorption of sunlight by polypyrrole and the special morphology of conical titanium dioxide to improve the absorption rate of sunlight. Furthermore, the high reflectivity of titanium dioxide in the visible and near-infrared range enables passive energy-saving cooling and efficient de-icing and defrosting. While optimizing the spectral control performance of the thin film, it also solves the problems of poor weather resistance and limited functionality.

The utility model belongs to the technical field of truck safety signs, and discloses a truck side marker lamp with a back reflection structure, which comprises a lamp light source electric plate, a lamp plate is fixedly arranged on one side of the front surface of the lamp light source electric plate, and a back reflection assembly is attached to the front surface of the lamp light source electric plate; the back reflection assembly comprises an optical lampshade serving as a protection structure, a boss is fixedly arranged on the surface of the right side of the optical lampshade, a positioning head is fixedly arranged on the front surface of the boss, and a reinforcing frustum is arranged on the outer side of the positioning head in a sleeving mode. The light reflecting effect of the optical lampshade can be enhanced, the added boss structure is matched, the light reflecting effect of the truck side marker lamp serving as a reminding structure is greatly improved, vehicles behind are reminded to avoid and observe in a striking mode, driving safety is improved, and potential safety hazards are reduced.

An ultrasonic detection device for insulating rods for live working relates to an ultrasonic detection device. At present, for the water immersion ultrasonic detection of insulating rods, the required water immersion device is large and only suitable for laboratory detection, and is not suitable for making a portable device. The present invention includes a detection head and a detection instrument connected to the detection head, the detection head includes a wedge block, a transmitting probe and a receiving probe arranged on the wedge block; a sound insulation layer is arranged on the wedge block between the transmitting probe and the receiving probe; the bottom surface of the wedge block is provided with an inner concave arc surface matching the insulating rod, and the top surface of the wedge block is provided with a transmitting probe and a receiving probe; the transmitting probe and the receiving probe face the inner concave arc surface, and there is an angle between the transmitting probe and the receiving probe; the transmitting probe and the receiving probe are connected to the ultrasonic detector through a probe line. The technical solution has a simple structure, is light, easy to carry, and easy to operate, and can conveniently and effectively realize the internal wound detection of the insulating rod.

The invention provides a light-emitting diode capable of improving a light reflection effect and a preparation method thereof, and belongs to the technical field of photoelectron manufacturing. The light-emitting diode comprises an epitaxial layer, a transparent conducting layer, a passivation layer, a first reflecting layer, a second reflecting layer and a protective layer, the transparent conducting layer is located on the surface of the epitaxial layer, and the transparent conducting layer is wrapped by the passivation layer; the first reflection layer is located on the surface of the passivation layer, the first reflection layer is connected with the transparent conductive layer through a through hole in the passivation layer, and the protection layer wraps the first reflection layer; the second reflection layer is located in the passivation layer and located between the surface, away from the epitaxial layer, of the passivation layer and the surface, close to the epitaxial layer, of the passivation layer, and at least part of the orthographic projection of the second reflection layer on the surface, away from the passivation layer, of the epitaxial layer is overlapped with the orthographic projection of the protection layer on the surface, away from the passivation layer, of the epitaxial layer. The light reflecting effect of the light emitting diode on the backlight side can be improved, and therefore the light emitting brightness of the light emitting side of the light emitting diode is improved.

The utility model discloses a transparent zipper capable of presenting a colorful light reflecting effect, which comprises a sheet-shaped zipper belt, transparent zipper teeth, a transparent zipper head, a transparent left-right separating piece of the zipper, a transparent upper stopper and light reflecting metal particles, and the light reflecting metal particles are embedded in the transparent zipper teeth, the transparent zipper head, the transparent left-right separating piece and the transparent upper stopper. The reflective metal particles, the transparent zipper teeth, the transparent zipper head, the transparent left-right separating piece and the transparent upper stop are integrally formed through injection molding. According to the technical scheme, the problem that a reflective coating on the surfaces of the zipper teeth of the zipper is prone to falling off can be effectively solved, the reflective effect of the transparent zipper is greatly improved, the service life of the transparent zipper is greatly prolonged, the reflective metal particles have various colors or a single color, the transparent zipper can reflect the color effect of various different colors, and the service life of the transparent zipper is prolonged. The appearance of the zipper is more bright and colorful, the zipper is attractive, the functionality and interestingness of the zipper are improved, and the zipper is high in practicability, easy to manufacture and high in application and popularization value.

The utility model discloses a novel carbon fiber lure lure, which relates to the field of fishing gear, and comprises a shell, a filler is arranged in the shell, a balancing weight is fixedly arranged in the filler, and a plurality of hanging rings are fixedly arranged outside the shell. By arranging the shell made of the carbon fiber material, compared with a metal bait, the bait has higher safety and higher strength than a plastic bait, the bait is prevented from being bitten by a fish during fishing, the service life is prolonged, the density of the bait is higher, the buoyancy of the bait is stronger than that of the plastic bait, the swimming stroke in water is more natural, and the bait is more attractive. Meanwhile, under the same size, a larger balance weight can be achieved, the ultra-small size and ultra-long shot can be achieved, and the throwing and fishing success rate is increased.

The utility model relates to the technical field of illuminating lamps, in particular to an LED anti-explosion working lamp which comprises an anti-explosion lamp body, a wiring cavity for connecting a wire is integrally formed in the anti-explosion lamp body, a wiring cover plate is detachably connected to the outer portion of the wiring cavity, and a water passing channel communicated with an external interface is arranged in the wiring cavity. The explosion-proof lamp has the advantages of being good in waterproof performance, convenient to maintain, long in service life, large in illumination area, even in light and free of light spots.

The invention discloses an ultrahigh-reflection flexible film, a light-transmitting assembly, a frame structure and a device. The ultrahigh-reflection flexible film comprises a base material layer, and a lower priming coat, a lower IM layer and a high-temperature protective film are sequentially formed on one side of the base material layer; an upper priming coat, an upper IM layer, a priming coat, a metal aluminum layer, an yttrium oxide layer and an AF layer are sequentially formed on the other side of the base material layer; wherein the base layer, the metal aluminum layer and the niobium trioxide layer are plated, and the thickness of the metal aluminum layer is 15-150 nm. The composite film is simple in structure, the smoothness of the surface of the plating layer is enhanced by optimizing the layer structure, meanwhile, the environmental erosion resistance is good, the service life can be prolonged, the product is not prone to being contaminated by dust, and the cleanliness is kept for a long time.

The utility model relates to the technical field of sticking tools, in particular to a high-sealing flame-retardant composite adhesive tape which comprises an aluminum foil film and a main body layer, an upper flame-retardant layer is coated on the inner side of the aluminum foil film, the lower side of the aluminum foil film is compounded on the upper side of the main body layer, foam is arranged on the lower layer of the main body layer, and a lower flame-retardant layer is coated on the lower side of the foam. A PVDF film is arranged on the lower side of the lower flame-retardant layer, and a release material is arranged on the lower side of the PVDF film. According to the high-sealing flame-retardant composite adhesive tape, through scientific multi-layer structural design and carefully selected material combination, the remarkable technical effect is achieved. Firstly, the aluminum foil film layer of the adhesive tape provides good isolation performance and reflection performance, the overall sealing effect is enhanced, and leakage of gas and liquid is effectively prevented. And secondly, due to the arrangement of the upper flame-retardant layer and the lower flame-retardant layer, the adhesive tape can keep stable performance in a high-temperature environment and is not easy to burn, so that the spreading of fire is prevented to a certain extent, and the use safety is greatly improved.