1737 results about "Release liner" patented technology

The invention relates to the technical field of folding screen supporting films, and particularly discloses a double-layer buffering supporting film for a flexible folding display screen and a preparation method of the double-layer buffering supporting film. The double-layer buffer supporting film for the flexible folding display screen sequentially comprises a release film layer, a first adhesive layer, a first stainless steel layer, a second adhesive layer, a second stainless steel layer and a protective film layer from top to bottom, the first adhesive layer and the second adhesive layer are prepared by curing the same pressure-sensitive adhesive composition; the pressure-sensitive adhesive composition is prepared from the following raw materials: acrylate copolymer, hydrogenated rosin glyceride, hyperbranched polyesteramide-dopamine conjugate, acylhydrazone bond modified siloxane, a curing agent and a silane coupling agent; the protective film layer comprises the following raw materials: PET particles, nano silicon dioxide, an ethylene-vinyl acetate copolymer and an antioxidant. The double-layer buffer supporting film has the advantages of being high in supporting rigidity and interlayer peel strength, and serious folds caused by long-term repeated folding of the folding screen can be relieved.

Disclosed in the present invention are a PET release film base film having low surface roughness and a preparation method therefor. The release film base film comprises three layers which are stacked: a core layer and two surface layers located on both sides of the core layer. The release film base film is obtained via three-layer co-extrusion by means of taking an auxiliary extrusion resin as a raw material of the two surface layers and a primary extrusion resin as a raw material of the core layer; the auxiliary extrusion resin is obtained by mixing an anti-blocking agent PET masterbatch and a PET base material in a mass ratio of 1:5-1:15; and the primary extrusion resin is a pure PET base material. The release film base film of the present invention has low surface roughness, low haze and excellent overall performance. Since large-particle benzoic acid-modified nano aluminum oxide has the refractive index very close to that of PET base films, the present invention can effectively avoid adverse visual impacts caused by a difference in the refractive index at interfaces between nanoparticles having large particle diameters and resin matrixes, thus effectively reducing the haze.

The invention relates to an antistatic PET (Polyethylene Terephthalate) base film for preparing a polaroid release film and a preparation method thereof, the release film base film is prepared by taking an optical-grade PET slice as a main body, adding modified PET with a specific structure and a modified SiO2 filler, and carrying out co-extrusion casting, a unique three-section stretching process and coating with a coating liquid. According to the invention, material modification and process improvement are carried out, specifically, an optical-grade PET slice is taken as a main body material, modified PET and a modified SiO2 filler with a specific structure are added, a film is prepared through co-extrusion casting and a unique three-section stretching process, and then the surface of the film is coated with a layer of antistatic coating liquid, so that the antistatic film is obtained. The finally prepared base film has low alignment angle, low transverse hot shrinkage rate and high surface adhesion, keeps the characteristics of high light transmittance and low haze of an optical-grade polyester film, endows the film with certain antistatic property, and is particularly suitable for being used as a release film of a high-end polaroid.

The invention belongs to the technical field of film materials, and particularly relates to a lower supporting film for a flexible folding display screen and a preparation method of the lower supporting film. The supporting film sequentially comprises a protective film layer, a stainless steel base material layer, an adhesive layer and a release film layer from top to bottom; wherein the adhesive layer is prepared by coating a release film with modified organic silica gel liquid, drying and curing. The ultra-thin stainless steel is used as the base material layer, can resist external force impact and scraping, is low and stable in thermal expansion coefficient, can reduce the influence of environment temperature and humidity on the size of the supporting film, and guarantees the structural consistency of the screen module in long-term use; and through multi-component composite modification of polyurethane-thiazole-organic silicon, the peeling strength of the adhesive layer and stainless steel and the bending frequency of the supporting film are improved, and the service life of the supporting film is prolonged.

The invention discloses an optical-grade PET release film and a preparation method and application thereof, and belongs to the technical field of PET release liners.The preparation method comprises the steps that organic silicon resin, polyacrylate and functional silicone oil serve as raw materials, hexadecafluorophthalocyanine copper serves as a catalyst, sodium hydroxide provides hydroxyl anions, and hydroxyl-containing fluorinated hydroxyaniline is obtained; amino groups on the surface of fluorinated hydroxyaniline react with carboxyl groups of graphene oxide and are grafted on the surface of graphene oxide, then hydroxyl groups in the fluorinated hydroxyaniline and carboxyl groups of acrylic acid are subjected to esterification reaction under the action of a catalyst, so that acrylic acid is grafted on fluorinated modified graphene oxide, and the fluorinated modified graphene oxide is obtained. Therefore, hydroxyl and epoxy functional groups on the surface of the graphene oxide are consumed, hindering of electron transmission is reduced, the conductivity of the release film is improved, and the antistatic requirement of the release film is met.

The invention provides a printing anomaly detection method of 3D printing equipment, the 3D printing equipment and a storage medium, and relates to the field of 3D printing. The 3D printing equipment comprises a printing platform and a material groove, and the method comprises the steps that the printing platform is controlled to be lifted in the vertical direction so as to drive a model layer on the printing platform to be separated from a release film at the bottom of the material groove; in the lifting process of the printing platform, a detection value used for representing the stress condition of the printing platform is obtained; and according to the detection value, whether the 3D printing equipment has the abnormal condition of model printing failure or not is judged. According to the method, a user can conveniently and timely find the abnormity and take countermeasures according to the abnormity, the problem of printing failure or poor model quality caused by the abnormity is avoided, the production process is more efficient through real-time abnormity detection, the model manufacturing period is shortened, the rejection rate is reduced, manual intervention is not needed, and the production efficiency is improved. And the risk of human error judgment is reduced.

The invention relates to the technical field of adhesive tapes, and particularly discloses a UV (ultraviolet) visbreaking anti-acid adhesive tape for thinning flexible glass and a preparation process of the UV visbreaking anti-acid adhesive tape. A UV viscosity-reducing acid-resistant adhesive tape for thinning flexible glass comprises a base material layer, a pressure-sensitive adhesive layer and a release film layer which are stacked in sequence, and the pressure-sensitive adhesive layer is prepared from the following raw materials: 85-120 parts by mass of an acrylate copolymer, 3-5 parts by mass of a cross-linking agent, 1.5-2.5 parts by mass of a photoinitiator, 2-5 parts by mass of an acid-resistant nano filler and 0.2-0.4 part by mass of an amine catalyst; the acrylate copolymer is prepared from the following raw materials in parts by mass: 20-30 parts of an imidazolinyl-containing monomer, 15-25 parts of a large-steric-hindrance alkyl-containing monomer, 45-55 parts of a flexible monomer and 5-10 parts of a carboxyl-containing monomer. The UV visbreaking acid-resistant agent prepared by the invention has relatively good acid resistance and reliable UV visbreaking and high initial bonding balance.

The invention discloses an anti-adhesion polaroid manufacturing process in the technical field of polaroids, and the anti-adhesion polaroid manufacturing process comprises the steps that a PMMA film containing smooth particles is prepared, the PMMA film comprises a base material face and a primer face opposite to the base material face, and the base material face and the primer face form a uniform microscopic protruding structure through the smooth particles; compounding the PMMA film with a stretched and dyed PVA film through a photocuring adhesive laminating process to form a polarizing film comprising the PVA film, the PMMA film and a TAC film; coating a pressure-sensitive adhesive on the surface of the compounded polarizing film, and compounding a protective film and a release film; according to the manufacturing process, the steps of attaching and tearing off the PE protective film are omitted; according to the invention, the uniformly distributed AB smooth particles form a protruding structure to reduce the friction coefficient, and the steps of attaching and tearing off the PE protective film are omitted, so that the production cost is effectively reduced, the production efficiency is improved, the abnormal gluing is avoided, and the practical value is remarkable.

The invention relates to the field of touchpad film materials, and discloses a preparation process of a touchpad mylar and a product. The preparation process of the touch panel mylar comprises the following steps: S1, transferring a texture layer on one side surface of a base material layer by using UV transfer printing glue; s2, carrying out three times of silk-screen printing on the other side surface of the base material layer to sequentially form a first metal ink layer, a second metal ink layer and an insulating ink layer; s3, performing vacuum coating on the texture layer to form a wear-resistant anti-fingerprint layer; and S4, adhering an adhesive layer with a release film to the insulating ink layer, and performing die cutting to obtain the touch panel mylar. The prepared touchpad mylar has good metal texture, wear resistance, smoothness and insulativity, the ink layer and the base material layer are stably attached, the ink layer is not prone to falling off and layering under the use conditions of long-term environment temperature and frequent screen touching of the touchpad mylar, and the touch sensitivity is good.

The invention relates to the technical field of adhesive tapes, in particular to a convex ball-mounting wafer thinning adhesive tape, a preparation method thereof and a wafer thinning machine, the thinning adhesive tape comprises a base material film, a viscosity-reducing adhesive layer and a release film; the preparation method comprises the following steps: preparing a first polymer network; preparing a second polymer network; the adhesive composition is obtained; forming a liquid film; covering the base material film on a liquid film; covering a release film on the upper surface of the fixed module in the wafer thinning machine; in a wafer thinning machine, the wafer with the base material film is installed on a release film, and heating treatment is carried out on the laminated wafer so as to directly form a solidified thinning adhesive tape on the wafer; by constructing a thermal / optical dual-curing interpenetrating polymer network with a dual visbreaking mechanism and combining with a special preparation method of the thinning adhesive tape in a thinning machine, the probability that a convex ball-mounting wafer generates microcracks or warps in a specific area when the adhesive tape is used for thinning operation is reduced.

The invention discloses a PVC blue protective film and a preparation method thereof. The PVC blue protective film comprises a release layer, a blue PVC base film, a priming coat and a pressure-sensitive adhesive layer which are sequentially arranged from top to bottom. The release layer and the priming coat are respectively designed on the two surfaces of the blue PVC base film, a direct coating and direct collecting process mode is adopted, an additional release film does not need to be used, the preparation process is simplified, the production cost is reduced, meanwhile, a plasticizer in the blue PVC base film can be sealed, and the plasticizer is effectively prevented from being separated out; a direct coating process instead of a transfer coating process is adopted, and the base coating is used for clamping, so that the binding strength of the pressure-sensitive adhesive layer and the blue PVC base film is better; the pressure-sensitive adhesive layer adopts a slit coating technology, so that the coating thickness is more uniform, rolling is not easy to occur, and the stability of product quality is improved; the resin in the bottom coating can react with the isocyanate curing agent in the pressure-sensitive adhesive layer, and the resin in the pressure-sensitive adhesive layer can also react with the isocyanate curing agent in the bottom coating, so that the bonding force between the layers is enhanced.

The invention relates to the technical field of TPU materials, in particular to a high-wear-resistance anti-oxidation electroplated TPU film and a preparation method thereof.The high-wear-resistance anti-oxidation electroplated TPU film comprises an elastic UV protection layer, a high-wear-resistance anti-oxidation layer, an electroplated layer and a release paper layer which are sequentially arranged from top to bottom; the high-wear-resistant anti-oxidation layer is made of a high-wear-resistant anti-oxidation TPU (Thermoplastic Polyurethane) material, the electroplated layer is made of an aluminum electroplated film layer, and the release paper layer is made of a PET (Polyethylene Terephthalate) release film layer. The high-wear-resistance anti-oxidation electroplating TPU film has the advantages of wear resistance, oxidation resistance, difficulty in delamination, no conductivity and no sparking, is environment-friendly and energy-saving in the preparation process, and can be used for replacing an electroplating film of a traditional electroplating processing technology.

A release film comprising: a laminated film in which a first coating layer B1 containing a polyester resin containing an inorganic pigment, a void-containing layer A containing voids therein, and a second coating layer B2 containing a polyester resin containing an inorganic pigment are laminated in this order; and a release layer C on at least one side of the laminated film, wherein the void-containing layer A is made of a composition containing a polyester resin, a polyolefin resin, and a silicone resin, and has an apparent density of 0.80 g / cm3 or more and 1.20 g / cm3 or less.

The utility model discloses an UTG composite polaroid, and belongs to the technical field of polaroids, the UTG composite polaroid is characterized by comprising a PET protective film layer, an UTG material layer, an adhesive layer, a polyvinyl alcohol film layer, a protective film layer, a pressure-sensitive adhesive layer and a release film layer which are sequentially stacked from top to bottom, and the thickness of the UTG material layer is 10-70 [mu] m. According to the display panel, one layer of OCA glue is reduced, the product thickness is reduced, the foldability is good, the cover plate glass and the polaroid can be directly combined in the processing procedure, the OCA glue material and the laminating procedure in the laminating process are omitted, the product cost is reduced, and the display panel has the advantages of high water vapor barrier rate, excellent RA reliability, excellent optical performance, high transmittance, good expansibility and the like. And the expansion effect of various special requirements is met.

A building system and corresponding method may include a building structure. A building system and corresponding method may include a building envelope membrane installed on the building structure, the building envelope membrane comprising: a first release liner, wherein the first release liner comprises: a first polymer, and a UV stabilizer, wherein the first release liner includes 1 wt. % to 90 wt. % of the UV stabilizer based on a total weight of the first release liner, wherein the first release liner is an outer layer, wherein the first release liner is removable, a first adhesive layer, a membrane layer, wherein the first adhesive layer is positioned between the first release liner and the membrane layer; and a second adhesive layer, wherein the membrane layer is positioned between the first adhesive layer and the second adhesive layer, wherein the second adhesive layer contacts the building structure.

The utility model discloses a double-station film tearing device which is characterized in that two Y-axis driving mechanisms are distributed in parallel, a carrier plate which is arranged on movable parts of the Y-axis driving mechanisms and is provided with a release film can move along the Y-axis direction, a plurality of parallel narrow and long adhesive tapes are arranged on the release film at equal intervals, and adhesive layers on the narrow and long adhesive tapes are connected with the release film in an adhesive manner. Each narrow and long adhesive tape on the upper surface of the carrier plate extends along the Y-axis direction; a waste film box is arranged on the machine table and located between every two adjacent Y-axis driving mechanisms, a rotating shaft is rotationally installed on one side of the waste film box, one end of a supporting transverse rod is connected with the upper end of the rotating shaft, a clamping jaw air cylinder is arranged at the other end of the supporting transverse rod, and two clamping parts of the clamping jaw air cylinder are used for being matched with a release film in a clamping mode. The double-station film tearing device is simple in structure and convenient to operate, the use efficiency of the device is improved, the continuity of the machining process is improved, the equipment cost is reduced, and the overall production efficiency is improved.

The invention relates to the technical field of high polymer materials, in particular to self-cleaning organic silicon foam with a micro-nano structure and a super-hydrophobic surface and a preparation method of the self-cleaning organic silicon foam. The surface structure of the release film is customized through one-step molding transfer printing, and a release agent of the release film contains a super-hydrophobic modified organic silicon light diffusion agent. The light diffusant is mainly silicon dioxide or organic silicon resin microspheres modified by surface long-chain silane. The surface structure of the customized release film is an inverted pyramid-shaped micro-nano structure. The organic silicon foam obtained according to the process has the surface micro-nano structure, super-hydrophobic and self-cleaning functions, and is particularly suitable for manufacturing daily and industrial pads such as mouse pads, table mats and placemats.

The invention provides an anastomotic stoma reinforcing device as well as a preparation method and application thereof. The anastomotic stoma reinforcing device comprises a reinforcing material layer, a connecting material layer and a release film which are sequentially stacked, wherein the connecting material layer comprises a hydrophobic adhesive layer, a carrier layer and a waterproof adhesive layer which are sequentially stacked, and the hydrophobic adhesive layer is in contact with the reinforcing material layer. When the anastomotic stoma reinforcing device is used, the release film of the anastomotic stoma reinforcing device is peeled off, the reinforcing material layer can be fixed to the nail bin face and / or the nail anvil face of an anastomat by means of the waterproof glue layer, due to the fact that the reinforcing material layer has hygroscopicity and can be completely wetted after making contact with liquid on the tissue surface, the reinforcing material layer and the hydrophobic glue layer are separated, and therefore the anastomotic stoma is reinforced. However, the material of the anastomat does not absorb moisture, the connecting material layer is still firmly adhered to the anastomat and is not easy to separate, and when the anastomat is taken out, the connecting material layer is taken out along with the anastomat, so that the problems of slow postoperative recovery and the like caused by connecting material residues are avoided.

The invention relates to a method for manufacturing SCK paper having a basis weight in the range of 50 to 70 g / m2, wherein an optimal combination of BSKP and BCTMP is used to adjust the properties of the fiber furnish. In SCK papers with low basis weight the bulk of the formed paper web upon paper manufacturing may be controlled by means of the fiber furnish, without downgauging and without adverse effects to other paper properties, which would prevent the use of the SCK paper as substrate layer in a release liner. Thus SCK paper with exceptionally high share of BCTMP in the fiber furnish may be produced into the same thickness as was possible before for a conventional supercalendered kraft paper having a higher basis weight, while maintaining other quality characteristics of the paper sufficient for use as a substrate layer of an industrial release liner.

The invention relates to a method for manufacturing glassine paper having a basis weight of less than 50 g / m2, wherein an optimal combination of BSKP, BHKP and BCTMP is used to adjust the properties of the fiber furnish. In glassine papers with very low basis weight the formation of the paper web upon paper manufacturing may be controlled by means of the fiber furnish optimization, which can be used to produce exceptionally thin glassine paper without downgauging and without adverse effects to other paper properties, which would prevent the use of the glassine paper as substrate layer in a release liner. Thus glassine paper with a moderate share of BCTMP in the fiber furnish may be produced, that has quality characteristics of the paper sufficient for use as a substrate layer of an industrial release liner.

The invention provides an adhesive tape and a double-glass structure product. The adhesive tape comprises a release film layer, a pressure-sensitive adhesive layer and a base material layer which are sequentially stacked, the pressure-sensitive adhesive layer comprises a flaky magnetic filler; the flaky magnetic filler comprises a first-direction flaky magnetic filler and a second-direction flaky magnetic filler, an acute angle between the normal direction of the first-direction flaky magnetic filler and the winding axis direction of the adhesive tape is 0-45 degrees, and the first-direction flaky magnetic filler accounts for 50-100% of the weight of the flaky magnetic filler. By adding the flaky magnetic filler into the pressure-sensitive adhesive layer and adjusting the orientation of the flaky magnetic filler in the pressure-sensitive adhesive layer, the transverse and longitudinal water resistance of the adhesive tape is remarkably improved, the weather resistance and bonding strength of the adhesive tape are considered, and when the adhesive tape is applied to objects with water resistance requirements on edges or adhesive tape bonding parts, such as photovoltaic modules, laminated glass and the like, the adhesive tape has excellent water resistance. Effective protection can be provided, and the service life of assemblies is effectively prolonged.

The present invention provides a printable decal film having flashing points, wherein the printable decal film having flashing points comprises sequentially laminated protective layer, coating layer, first substrate layer, first installation adhesive layer, printing layer, second substrate layer, second installation adhesive layer and release film layer; the protective layer is provided on the coating layer, the first substrate layer is provided underneath the coating layer, the first installation adhesive layer is provided underneath the first substrate layer, the printing layer is provided underneath the first installation adhesive layer, the second substrate layer is provided underneath the printing layer, the second installation adhesive layer is provided underneath the second substrate layer, and the release film layer is provided underneath the second installation adhesive layer.

The utility model discloses a release film with low stripping force. The release film consists of a PET (Polyethylene Terephthalate) base material, a molybdenum disulfide layer deposited on the surface of the PET base material and a self-repairing coating coated on the outer side of the molybdenum disulfide layer. The utility model further provides a preparation system for the low-stripping-force release film. The preparation system comprises an ultrasonic cleaning machine, a drying machine, a chemical vapor deposition reactor, a mixing machine, a spin-coating machine, a drying box and a curing oven, an outlet of the ultrasonic cleaning machine is connected with the drying machine, an outlet of the drying machine is connected with the chemical vapor deposition reactor, an outlet of the chemical vapor deposition reactor is connected with the spin coater, an outlet of the mixing machine is also connected with the spin coater, an outlet of the spin coater is connected with the drying box, and an outlet of the drying box is connected with the curing oven. Through the combined design of the multi-layer structure of the molybdenum disulfide layer and the self-repairing coating, the release film is easy to strip, adhesion residues are reduced, and the use experience of a product is improved.

A UV-tackifiable adhesive tape and a preparation method therefor. The UV-tackifiable adhesive tape comprises a substrate layer, a UV-tackifiable adhesive layer and a release film layer, wherein the substrate layer, the UV-tackifiable adhesive layer and the release film layer are sequentially laminated from bottom to top; and the UV-tackifiable adhesive layer comprises a modified polyester resin, a monofunctional UV photocuring monomer, a polyfunctional photocuring compound, a curing agent, a photoinitiator and a stabilizer. The UV-tackifiable adhesive layer comprises the modified polyester resin as a basic polymer, and the polyester resin can effectively improve the adhesion between the adhesive layer and a substrate before UV curing of the UV-tackifiable adhesive layer, improve the bonding strength between the UV-tackifiable adhesive layer having been UV-cured and an adhered object, and also enhance the high-temperature release force and weather resistance of the UV-tackifiable adhesive layer having been UV-cured.

Article comprising, in order: a first polymeric film having first and second, opposed major surfaces; a first primer layer having first and second opposed, major surfaces on the first major surface of the first polymeric film, wherein for a distance of at least 25 nm starting from the first major surface of the first 5 primer layer toward the second major surface of the first primer layer there is an average Si content, on a theoretical elemental basis, not greater than 15 atomic percent; and a first release layer having first and second opposed, major surfaces, wherein the second major surface of the first release layer is in direct contact with the first major surface of the first primer layer, wherein the first release layer comprises, on a theoretical elemental basis, Si. Articles described herein are useful, for example, as a release liner for 10 casting pressure sensitive adhesives thereon.

This invention relates to a release film for an oxide solid electrolyte membrane, the release film comprising a release substrate layer and an EVA functionalized coating coated on the surface of the release substrate layer, wherein the vinyl acetate content of the EVA functionalized coating is between 10% and 50%. Furthermore, this invention also provides an oxide solid electrolyte membrane comprising a release film, an oxide solid electrolyte membrane body, and a carrier as described above, wherein the oxide solid electrolyte membrane body is located between the release film and the carrier, and the release film is bonded to the oxide solid electrolyte membrane body via the EVA functionalized coating.

The invention discloses a preparation method of an ultrathin sulfide solid electrolyte dry-method membrane, relates to the technical field of solid electrolyte dry-method membranes, and solves the problems that a traditional solid electrolyte dry-method membrane needs to be subjected to transfer printing after being rolled, holes and cracks exist in an electrolyte membrane during transfer printing, and the thickness of the electrolyte membrane is difficult to reach 30 microns or below. Comprising the following steps: S1, preparing a positive thick film; s2, preparing an electrolyte thick film; s3, sequentially stacking the release film, the positive electrode thick film and the electrolyte thick film to form a laminated structure; s4, carrying out multi-stage rolling on the laminated structure by using a roller press and adopting a differential temperature multi-stage composite rolling method, and carrying out synchronous thinning and compounding on the positive electrode thick film and the electrolyte thick film to form a composite film; and S5, stripping the release film from the composite film to obtain the ultrathin sulfide solid electrolyte dry film. The problem that holes and cracks are generated in the transfer printing link after rolling of a traditional electrolyte thick film is solved.

The invention relates to the technical field of energy-saving building materials, and discloses a multi-layer composite sunshade film with a self-cleaning function, which sequentially comprises a release film layer, a bonding layer, a base material layer I, a spectrum functional layer, a base material layer II and a self-cleaning layer from inside to outside, the raw material of the spectrum functional layer comprises at least one of an infrared absorbent, a visible light absorbent and an ultraviolet absorbent; the self-cleaning layer is a modified layer obtained by modifying the surface of the base material layer II through fluorosilane. According to the sunshade film, the energy-saving performance of a building can be greatly improved, so that the maintenance cost is reduced, and the sunshade film is suitable for being used outdoors for a long time and can also be attached to the outer surface of the building for use.

The invention discloses a printing antistatic polyester release film and a preparation method thereof, the release film is composed of a PET base film and a release agent layer firmly combined with the PET base film, the PET base film is formed by blending, melting, extruding and stretching PET particles added with a composite additive, and the release agent layer is formed by curing a release agent; wherein the composite additive is prepared from polyvinylpyrrolidone, graphene oxide, 3-aminopropyl triethoxy silane and polyvinyl butyral. The release agent is prepared from a polydimethylsiloxane-amino siloxane copolymer, fluorosiloxane resin, a quaternary ammonium salt type antistatic agent, isocyanate silane and a mixture of butyl acetate and methylbenzene. The composite additive provided by the invention not only can provide stable antistatic performance when being added, but also can further enhance the printing performance and the surface activity of the PET base film in the subsequent plasma treatment process, so that the composite additive is suitable for applications such as electronic product packaging, labels and the like which have high requirements on static electricity and printing performance.

To provide a film for acoustic component that can be peeled off without tearing from the release film when the release film is peeled off before molding, while maintaining high shape retention before molding and high formability and mold-following property during molding.SOLUTION: A film for acoustic component is curable and has the following (a) viscoelastic properties. (a) Storage modulus E' at a measurement temperature of 20°C and a frequency of 10 Hz is between 0.1 MPa and 500 MPa.SELECTED DRAWING: None