36 results about "Mylar foil" patented technology

The utility model discloses a self-adhesive label with a multi-layer reinforcing structure, and relates to the technical field of self-adhesive labels. The label protection device comprises a protection part, wherein the protection part is used for protecting the label to improve the strength; the label part is installed in the protection part, and the label part is used for being pasted on an object; wherein a reinforcing structure is arranged on the label part. According to the utility model, the reinforcing layer is arranged, specifically, after the label main body is pasted, the internal reinforcing layer plays a role in reinforcing the label main body, and the reinforcing layer can be made of various materials, such as a polyester film, a metal foil or a special composite material; the label body is arranged on the base layer and used for preventing the label body from being torn, punctured, abraded and corroded by chemical substances in the using process, the base layer in the label body is used for supporting the label body, and the strength is improved again by adopting a tough material with certain flexibility, such as paper or a plastic film subjected to special treatment.

There is a mylar matrix band. The mylar matrix band has an elongated thin plastic film having an overall shape of an inverted-V with a flattened middle, and including three regions, specifically: a middle region having a primary axis along a horizontal extent thereof; a left region adjacent to the middle region and extending at a first angle from the primary axis of the middle region; and a right region adjacent to the middle region opposite the left region and extending at a second angle from the primary axis of the middle region; wherein the first and second angles are between 25-60 degrees from the primary axis and an interior length of the middle region as measured from an interior transition between each of the left region and right region is greater than 5 mm.

The present invention discloses a self-heating beverage container to heat beverages conveniently. The self-heating beverage container offers a user-friendly, efficient, and economically viable solution for producing single-serve hot beverages on the go. The self-heating beverage container include a paperboard carton or corrugated paperboard sleeving, an insulated container bag housing a bag made from mylar or polypropylene and lined with a reflective foil layer, a packet containing exothermic minerals, and a liquid chamber with a puncture device. The self-heating beverage container upon activation of the puncture device releases water into the insulated container bag, initiating an exothermic reaction that rapidly warms the beverage. The integration of these components ensures optimal heating efficiency and user experience, addressing the shortcomings of prior art and enabling seamless widespread adoption of self-heating beverage containers.

Liquid crystal displays (LCDs) and methods of making LCDs are provided where a layered stack of components is secured with at least one piece of tape, such as black mylar tape. The layered stack is bonded to a cover glass and optionally a touch panel / sensor with an optically clear adhesive (OCA). Methods and apparatuses include at least one piece of tape secured to a front side of the layered stack such that the at least one piece of tape folds over the perimeter of the layered stack and is secured to a rear side of the layered stack.

The utility model relates to the technical field of die head maintenance, in particular to a die head maintenance support with an angle adjusting function, which comprises a first support and a second support which are detachably connected, the first support and the second support are oppositely arranged, and each of the first support and the second support comprises an angle adjusting handle, a die head connector, an angle self-locking device, a supporting frame and a base. The angle adjusting handle and the angle self-locking device are connected to the two ends of the die head through the corresponding die head connectors respectively, the angle adjusting handle is used for adjusting the angle of the die head, the angle self-locking device is used for locking the die head after the angle is adjusted, and the die head is installed on the supporting frame; the two supporting frames installed on the first support and the second support respectively are installed on the corresponding bases in a sliding mode so as to adjust the distance between the two die heads. The die head maintenance support with the angle adjustment function aims at solving the problem that the angle adjustment difficulty of a polyester film die head maintenance support is large.

The invention relates to the technical field of functional film material preparation, in particular to a high-viscosity air-guiding release film and a manufacturing method thereof.The manufacturing method comprises the following steps that S1, a two-way stretching polyester film is subjected to corona treatment to form a base material layer; s2, adhesive coating liquid is prepared; s3, coating the adhesive coating liquid on the surface of the base material layer to form an adhesive layer; s4, preparing a gas guide layer coating liquid; s5, coating the adhesive layer with a gas guide layer coating liquid to form a gas guide functional layer matrix; s6, a snakelike micro-channel is machined in the surface of the air guide functional layer base body formed in the step S5; and S7, carrying out hot pressing treatment, and rolling to obtain the finished release film. According to the invention, through collaborative design of a multi-layer structure and precise control of process parameters, compatibility of strong adhesion performance and a controllable gas guide function is realized, and the problem that gas discharge of an existing release film is limited in a high-viscosity state is solved.

The utility model discloses automatic arranging and packaging equipment for polyester films, which comprises a base, a conveying mechanism is mounted on the base, a first mounting frame is arranged on one side of the base, a coiled film conveying belt component is mounted on the first mounting frame, and the coiled film conveying belt component is used for conveying cylindrical coiled polyester films; a second mounting frame is arranged on one side of the base, and a packaging box conveying belt assembly is mounted on the second mounting frame and used for conveying packaging boxes. Through the arrangement of the taking and placing assembly, after the coiled film conveying belt assembly conveys the coiled film in place, under the cooperation of all structures, the supporting barrel extends into the inner side of the cylindrical coiled polyester film, and the sliding block is driven to move towards the direction of the baffle disc based on the work of the electric telescopic cylinder, so that all the arc-shaped elastic strips are raised; the cylindrical coiled polyester film is supported and fixed from inside to outside, and carrying is convenient.

The utility model discloses a camera long distance transmission image signal cable, which relates to the cable technical field, and comprises an outer sleeve layer, a metallization PET polyester film and an STP network cable assembly, the inner side of the outer sleeve layer is provided with a metal foil shielding layer, the inner side of the metal foil shielding layer is provided with the metallization PET polyester film, and the inner side of the metal foil shielding layer is provided with the STP network cable assembly. Two STP network cable assemblies are arranged on the inner side of the metallized PET polyester film, each STP network cable assembly comprises a Pet insulating layer, an Al-Mylar polyester film layer and an STP cable, and the Al-Mylar polyester film layer is arranged on the inner side of the Pet insulating layer. According to the cable for long-distance transmission of the image signals of the camera, the MCC cable can transmit radio-frequency signals or high-definition camera signals so as to be used for long-distance transmission of the image signals, the STP network cable assembly is a shielding wire and has the advantages of reducing signal attenuation and preventing information from being eavesdropped, and the MCC cable is matched with a 7C wire so that the cable has the dual effects of electric power and image signal transmission.

This utility model discloses a polyester film extrusion die with a cleaning structure, belonging to the field of plastic processing machinery. Addressing the problem of incomplete cleaning of residues on the inner wall of existing die exits, the following solution is provided: The die body features a gradient cavity structure, with grooves on the side walls and trapezoidal cross-section scrapers. The bottom end of the scraper is connected to the inner cavity of the main rod via a threaded rod. Rotating the threaded rod adjusts the scraper position to ensure a tight fit against the gradient inner wall. A sliding seat and sliding frame are installed on the outer wall of the main rod to achieve lateral movement. An external protective sleeve covers the operating side hole, and the sleeve is connected to the sliding seat via a tension spring. A sealing plate with a compression spring is installed at the top of the inner cavity; the sealing plate remains in contact with the scraper during movement to prevent foreign objects from entering. This device, through scraper shape adaptation and position adjustment mechanisms, more effectively cleans residues from the inner wall. The protective sleeve structure prevents accidental contact with operating parts, ensuring the reliability and convenience of cleaning operations.

To provide a polyester film for a protective film of a folding-type display, which is unlikely to have cracks in a folding portion, in order to provide a folding-type display that is excellent in mass productivity and that prevents the generation of a distortion in an image displayed on a folded portion after the display is repeatedly folded.SOLUTION: Provided is a polyester film for a protective film of a folding-type display, which satisfies the following conditions: (1) the refractive index in a bending direction is 1.590-1.620; (2) the refractive index in the direction of a folding part is 1.670-1.700; (3) the refractive index in a thickness direction is equal to or less than 1.520; and (4) the density is equal to or greater than 1.380 g / cm3 (here, the bending direction is the direction orthogonal to the folding part when folding the polyester film).SELECTED DRAWING: Figure 1

The invention discloses an optical-grade high-brightness polyester film and a preparation method thereof, the optical-grade high-brightness polyester film comprises a nanoscale multi-layer structure formed by PET layers and PEN layers which are alternately stacked, the total layer number is 350-700, and the total thickness is 30-60 [mu] m; wherein the refractive index of the PET layer ranges from 1.58 to 1.62, and the refractive index of the PEN layer ranges from 1.64 to 1.68; the average reflectivity of the film under the wavelength of 550 nm is larger than or equal to 98.5%, the light transmittance is larger than or equal to 91.5%, the haze is smaller than or equal to 0.5%, and the interlayer peel strength is larger than or equal to 3.0 N / cm. According to the invention, collaborative optimization of optical performance, mechanical strength and thermal stability is realized through a nanoscale multi-layer structural design in which PET and PEN are alternately stacked. Excellent optical performance is obtained through hundreds of layers of nano-scale alternating structures; the interlayer binding force is obviously improved through molecular modification of the laminated layers; and a uniaxial stretching process is adopted, so that the flexibility is kept while the layer thickness uniformity is ensured, and breakthrough is realized in the aspects of reflection efficiency, interface stability and processing yield.

The utility model provides a multi-layer re-pressing device for a polyester film, and belongs to the technical field of re-pressing devices. Comprising a base plate, an unwinding frame is fixed to one end of the base plate, a plurality of unwinding rollers are installed on the unwinding frame, a winding roller is arranged at the other end of the base plate, a fixing base is arranged in the middle of the base plate, and a lower pressing roller and an upper pressing roller which are used for re-pressing are arranged on the fixing base; a guide frame is arranged between the unwinding frame and the fixing base, guide plates are arranged at the positions, corresponding to the unwinding rollers, of the guide frame, the guide plates communicate with a dust removal air pump, a mounting groove is formed in the middle of each guide plate, the guide rollers are rotationally mounted in the mounting grooves, and a plurality of dust suction holes are formed in the inner wall of each mounting groove. According to the utility model, dust particles can be sucked and removed before re-pressing of the polyester film, the re-pressing quality is ensured, the film can be tensioned before and after re-pressing, the film laminating quality is further ensured, and the overall use effect is good.

The utility model provides a luminous keyboard which comprises a backlight module, a film circuit board arranged above the backlight module, a substrate arranged above the film circuit board and provided with a plurality of first openings, a polyester film arranged above the substrate, and a plurality of key units arranged on the substrate. The polyester film is formed with a plurality of second openings facing the first openings, respectively. Each key unit comprises a supporting module, a key cap and an elastic piece. Each elastic piece is provided with an elastic body which abuts between the key cap and the polyester film, and a protruding column which extends downwards from the elastic body and faces the film circuit board. By integrating and modularizing the film circuit board and the backlight module and arranging the film circuit board and the backlight module below the substrate, the film circuit board can be prevented from being holed so as to improve the water resistance and salt mist corrosion resistance of the film circuit board.

The utility model discloses an anti-wrinkling label sticker, which relates to the technical field of label stickers, and comprises a sticking plate, a tearing sheet is adhered above the sticking plate, a label paper body is adhered above the tearing sheet, a wing protecting film is arranged around the edge of the label paper body, and hot melt adhesive layers are arranged on the edge of the wing protecting film and the periphery of the label paper body. The top of the label paper body is covered with an anti-wrinkling film; according to the label sticker, the high-elasticity polyester film is adopted, so that the label sticker has excellent stretchability and restorability, deformation and wrinkling caused by external factors can be effectively resisted, and when the wing protection film made of the flexible PU material is stuck to an uneven surface, the label sticker can automatically adapt to the concave-convex surface, and it is ensured that the whole label sticker is kept flat.

The utility model discloses a polyester film stretching and rewinding machine which comprises a main body mechanism and a pressing mechanism, the main body mechanism comprises two symmetrically arranged side plates, guide rollers rotationally mounted on the opposite side plates, a top plate fixed to the top ends of the opposite side plates, electric telescopic rods symmetrically mounted on the top plate, a U-shaped frame fixed to the bottom ends of the electric telescopic rods, and sliding blocks slidably arranged on the two sides of the U-shaped frame; the side plates are used for installing other assemblies, the guide pipes are used for guiding a film, the top plate is used for installing the electric telescopic rod, the stability of the electric telescopic rod is guaranteed, and the electric telescopic rod is used for installing the U-shaped frame and driving the U-shaped frame to move up and down. And the U-shaped frame comprises a rectangular plate fixed to the bottom end of the electric telescopic rod and frame bodies symmetrically fixed to the two sides of the rectangular plate, and the polyester film stretching rewinding machine has the advantages of being good in winding effect and high in practicability.

This invention relates to the field of release film technology and discloses a low-adhesion self-adhesive release film and its preparation method, comprising: a substrate layer, a first buffer layer, a heat-stabilizing layer, a second buffer layer, an elastic reinforcing layer, and an improved release layer; the substrate layer uses polyester film as a supporting structure to provide mechanical strength and dimensional stability; the first buffer layer is disposed on the substrate layer and is tightly connected to the substrate layer by hot-pressing to initially absorb thermal stress. This low-adhesion self-adhesive release film and its preparation method utilize a six-layer composite structure design to prevent surface energy fluctuations from amplifying interfacial force changes, thereby reducing peeling difficulties and deformation at high temperatures and avoiding insufficient contact and lifting at low temperatures. The synergistic effect of the six layers further solves the overall instability caused by temperature sensitivity, reduces bonding misalignment and automatic peeling during production, and improves the reliability and environmental resistance of the bonding system.

The utility model relates to the technical field of zippers, and discloses a metal-tooth-imitated double-sided film-pasted zipper which comprises a right cloth belt, first zipper teeth are fixedly connected to the left side of the right cloth belt, a fixed pin is fixedly connected to the lower end of the right cloth belt, a left cloth belt is arranged on the left side of the right cloth belt, and second zipper teeth are fixedly connected to the right side of the left cloth belt. According to the metal-tooth-imitating double-sided film-pasted zipper, the teeth are made of plastic teeth combined with black color master batches, the black teeth protrude out of a copper color protective film, the first plastic zipper teeth and the second plastic zipper teeth have the metal feeling, the sealing film is made of plastic teeth combined with copper color master batches, the zipper teeth have the metal feeling through the copper color master batches, and the attractiveness is enhanced; after forming, the sealing film forms a non-slip block to be inserted into the groove, the combination tightness degree of the sealing film and the teeth is improved, the durability is improved, the protection film is made of a polyester film, the polyester film provides excellent protection performance and glossiness, the glossiness of the zipper teeth is improved, and the zipper teeth have the metal texture and are not prone to abrasion.

An information handling system housing has a top opening that accepts a liquid cooling mount having a frame and plural blanks. The plural blanks are selectively removed to create an opening of appropriate size that fits one or more liquid cooling modules that have a variety of sizes. The blanks couple to the frame with screws or can come as perforated portions of the frame having the perforations covered by sheets of mylar. In one example embodiment, the blanks are formed from bent sheet metal to have snaps that couple to the frame.

This application provides an anti-corrosion method, a magnesium-containing assembly, and an electronic device. The anti-corrosion method is applied to a contact surface between a first structural member and a second structural member. The anti-corrosion method includes: attaching a composite film to the contact surface between the first structural member and the second structural member, where the composite film includes an adhesive film and Mylar. Based on the anti-corrosion method, an efficient galvanic corrosion inhibition effect can be achieved. The magnesium-containing assembly and the electronic device obtained based on the anti-corrosion method have good anti-corrosion effects.

To provide a polyester film for a protective film of a folding type display which is excellent in mass productivity and does not generate cracks in a folding part in order to provide the folding type display which has no possibility of generating disturbance in an image displayed in the folding part after repeated folding.SOLUTION: The polyester film for the protective film of the foldable display satisfies the following conditions: (1) The refraction index in the bending direction is 1.590 to 1.620 (2) The refraction index in the direction of the folded portion is 1.670 to 1.700 (3) The refraction index in the thickness direction is 1.520 or less (4) The concentration is 1. 380g / cm3 or more (Here, the bending direction refers to a direction orthogonal to the folded portion when the polyester film is folded. ) SELECTED DRAWING: Figure 1

The utility model discloses a BOPET (Biaxially Oriented Polyethylene Terephthalate) die head with a special lip structure, which comprises an automatic adjusting assembly, an upper die body is arranged on one side of the automatic adjusting assembly, a middle die body I is arranged on one side of the upper die body, a middle die body II is arranged on one side of the middle die body I, a lower die body is arranged on one side of the middle die body II, and a lower die body is arranged on one side of the lower die body. A flow channel is formed in the lower die body, a die lip is arranged at the terminal end of the flow channel, a displacement assembly is arranged in the lower die body and comprises a movable plate, the movable plate is installed in the lower lip and is an L-shaped plate, a plurality of sawtooth grooves are evenly formed in one side of the movable plate, a motor is installed in the lower die body, and the motor is connected with the lower die body. The size of the lip gap is accurately adjusted through the arranged displacement assembly, so that the thickness of the produced two-way stretch polyester film is efficiently controlled, different production requirements are met, and the two-way stretch polyester film thickness adjusting device has the advantages of being high in practicability and convenient and fast to adjust and control.

The IR cloaking material comprises five bonded layers: a first fabric layer with outer and inner surfaces, a metalized film, a plastic film with air bubbles, a second metalized film, and a second fabric layer. It includes multiple vents formed as continuous openings extending through all layers. The outer surface of the first fabric layer may feature a camouflage pattern, a grid of cords, or both; the fifth layer may display a different camouflage. The metalized films may include materials such as gold, silver, nickel, aluminum, copper, mylar, graphene, or combinations thereof. The material can be shaped into a cape with a hood to mask heat signatures and enhance concealment.

The present invention provides a mold release film which can be peeled with a low, uniform force even with a thin ceramic green sheet, in which there is no risk of occurrence of defects such as pinholes, and which has excellent smoothness. The present invention is a mold release film comprising a base material, which is a polyester film having a width of more than 900 mm but not more than 2,500 mm, and a mold release layer, said mold release film being characterized in that, when R1 is defined as a range of 100 mm from one end in the width direction and toward the center when the mold release film is wound in a roll, R2 is defined as a range of 50 mm from the center and toward both sides in the width direction, R3 is defined as a range of 100 mm from the other end in the width direction and toward the center, and A1, A2, and A3 are defined as the number of coarse protrusions which have a height of 500 nm or more and which exist on the surface of the mold release layer in the respective ranges R1, R2, R3 as evaluated by a described method, the number of coarse protrusions represented by each of A1, A2, and A3 is in the range of 10-1,000 protrusions / m2, and a ratio X of the number of coarse protrusions calculated as X=((A1+A3) / 2) / A2 is 0.2-5.0.

The invention discloses a film laminating machine for producing a composite mica tape, and relates to the technical field of composite mica tape production.The film laminating machine comprises a base, a discharging mechanism, a heating film laminating mechanism and a winding mechanism are fixedly arranged at the top of the base, a pre-pressing structure is arranged at the top of the base, and the pre-pressing structure comprises a mounting frame, a portal frame and two storage plates; a plurality of first guide rollers are rotatably arranged on the inner side of the mounting frame in a penetrating mode, the mounting frame is fixedly connected with a transverse plate and two mounting frames, two guide rods are arranged outside the mounting frames in a penetrating mode, one ends of the guide rods are fixedly connected with fixing plates, and a second guide roller is rotatably arranged between the two fixing plates in a penetrating mode. Two first springs are arranged between the fixing plate and the mounting frame. According to the film laminating machine for producing the composite mica tape, the phenomenon that the mica tape and the tail section of a polyester film interfere with each other on the film laminating machine to affect the film laminating effect of the tail section can be avoided.

The invention provides a paper-plastic sealing film suitable for a cold drink blister cup and application of the paper-plastic sealing film, and relates to the technical field of sealing films. The paper-plastic sealing film comprises a first polyester film layer, a paper base layer, a second polyester film layer and a polyolefin heat sealing layer which are arranged in sequence. The paper-plastic sealing film is good in flatness, the same automatic film sucking and falling process as an aluminum-plastic sealing film can be achieved, after passing through a low-temperature tunnel of-35 DEG C to-45 DEG C, the paper-plastic sealing film still has good sealing strength with a blister cup, the sealing requirement of a product is met, meanwhile, the paper-plastic sealing film has certain easy-to-tear performance when torn, and the sealing effect is good. And the paper is not torn.

Wafer processing method for dividing a wafer (1) along multiple division lines (3) to obtain multiple individual component chips (1c), wherein the division lines (3) are formed on a front face (1a) of the wafer (1) such that they define multiple separate areas in which multiple components (5) are individually formed, wherein the wafer processing method comprises: a ring frame preparation step of preparing a ring frame (7) which has an inner opening (7a) for receiving the wafer (1); a polyester film provisioning step of positioning the wafer (1) in the inner opening of the ring frame (7) and providing a polyester film (9) on a back or front (1a) of the wafer (1) and on a back of the ring frame (7), wherein no adhesive layer is arranged between the polyester film (9) and the wafer (1); a joining step of heating the polyester film (9) during the application of a pressure to the polyester film (9) after performing the polyester film provisioning step, whereby the wafer (1) and the ring frame (7) are joined by thermocompression joining over the polyester film (9) to form a frame unit in a state in which the wafer (1) and the front of the ring frame (7) are exposed; a division step of positioning a focal point of a laser beam within the wafer (1), wherein the laser beam has a transmission wavelength for the wafer (1), and of applying the laser beam to the wafer (1) along each division line (3), thereby forming a modified layer in the wafer (1) along each division line (3) to divide the wafer (1) into the individual component chips (1c), after performing the interconnection step; and a pickup step of cooling the polyester film (9) in each of the several separate areas corresponding to a respective component chip (1c), pushing up each component chip (1c) through the polyester film (9) and then picking up each component chip (1c) from the polyester film (9) after performing the division step.

The invention relates to the field of silk yarns, in particular to a metallic yarn preparation process which comprises the following steps: S1, plating metal on a polyester film in vacuum, and then coating a transparent resin protective layer to obtain a basic raw material film; s2, the basic raw material thin film is wound into a roll, and the roll is installed on a shredding device; s3, the two ends of the basic raw material film roll are shredded at the same time through two cutters of a shredding device; and S4, winding and collecting the silk yarn at the same time to obtain the metallic yarn. The shredding device comprises a base transversely provided with a first transverse groove, two side supporting plates symmetrically sliding in the first transverse groove, two rotating bases rotationally connected to the upper ends of the two side supporting plates correspondingly, two conical heads fixed to the inner sides of the two rotating bases correspondingly, a two-way screw I transversely rotating in the first transverse groove, and a two-way screw II transversely rotating in the second transverse groove. The two side supporting plates are in threaded connection with the two ends of the two-way screw I respectively. According to the shredding device, shredding can be conducted through the two cutters at the same time, and the shredding efficiency is high.

To provide a laminated polyester film which suppresses generation of static electricity and can suppress defects such as breakage of a circuit by static electricity, and has good adhesion to an adhesive layer, even when the adhesive layer that contains no fluorine element and has no antistatic property is provided.SOLUTION: A laminated polyester film has a resin layer which does not substantially contain a fluorine component, on at least one surface of the polyester film, wherein surface resistivity on the resin layer side is 1×107 Ω / sq. or less, and when an adhesive layer, which has no antistatic property, is composed of an acrylic adhesive and has thickness of 10 μm, is provided on the resin layer, surface resistivity on the adhesive layer side is 1×1012 Ω / sq. or less.SELECTED DRAWING: None

The invention discloses a fully thermoplastic heat sealable multilayer polyester based film that forms hermetic and easy opening packages with polyester containers or pouches and the use of this film in food packaging.