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59 results about "Mylar foil" patented technology

Polyester film with low percent thermal shrinkage and production method thereof

The invention discloses a mylar with low heat shrinkage rate containing at least one layer structured multilayer extrusion structure, it has low heat shrinkage rate especially low cross heat shrinkage rate, and high transparency, low fog, excellent friction performance, and excellent processing performance and dimension stability. The invention also discloses the mylar production method.
Owner:SHANGHAI ZIDONG FILM MATERIAL CO LTD

Multilayer, metalized or ceramic-coated, sealable, biaxially oriented polyester film, its use, and process for its production

The invention relates to a metalized or ceramic-coated, biaxially oriented, sealable polyester film with at least one base layer (B), with a sealable outer layer (A), and with a further non-sealable outer layer (C). The sealable outer layer (A) has a minimum sealing temperature (fin) of not more than 110° C. and a seal seam strength (fin) of at least 1.3 N / 15 mm of film width. The two outer layers (A) and (C) are characterized by particular features. The film of the invention is particularly suitable for use in flexible packaging, and particularly and specifically for use on systems which operate in a vacuum.
Owner:MITSUBISHI POLYESTER FILM

Cable for internal contracting brake of high-flexibility anti-torsion rotor

The invention relates to a cable for an internal contracting brake of a high-flexibility anti-torsion rotor. The invention aims to solve technical problems of how to conveniently install the cable for an internal contracting brake of a rotor, how to improve the signal stability of the cable for the internal contracting brake of the rotor, how to enable a signal line to be more flexible, and how to prolong the service life of the cable. The invention adopts the technical scheme that a cable for the internal contracting brake of the high-flexibility anti-torsion rotor comprises a power line, a signal line, filler, non-woven fabric, a shielding layer and a sheath; the power line comprises conductors of the power line and insulation layers of the power line from inside to outside in sequence; and the signal line comprises multi-core conductors of the signal line, insulation layers of the signal line, mylar foil, shielding layers of the signal line and outer sheaths of the signal line from inside to outside in sequence. The beneficial effects are that the service life of the cable is prolonged and the shielding performance of the cable is improved.
Owner:奥林特电缆科技股份有限公司

Collapse-free sound film

The invention belongs to the field of electric sound films and discloses a collapse-free sound film. An edge arc is arranged around the sound film and provided with a decorative pattern, and the section of the edge arc is a section of arc or formed by connection of a plurality of sections of arcs, and positions where arcs are connected are in fillet smooth connection. The section of the decorative pattern is U-shaped, the width of the decorative pattern is twice of the depth of the decorative pattern, the trend of the decorative pattern is basically the same with that of the edge arc, and a radian pattern is formed if the R value is large. The sound film is made of a polyester film, computer-based 3D drawing is adopted, the edge arc and the decorative pattern are designed reasonably according to electro-acoustic parameter requirements of clients, the design of an edge and a copper ring is adopted if the thickness of the raw material of polyester film is below 16 microns, reasonable molding techniques are adopted for different materials and thicknesses, the blow molding technique is adopted for the edge and the copper ring, and the clients use collapse-free vibrating films (sound films) to assemble micro speakers, so that poor acoustic characteristic variation caused by operations, carrying and reliability experiments can be reduced greatly, the production effectiveness can be improved, costs can be reduced, the quality can be guaranteed, and the product reliability can be improved.
Owner:SHENZHEN WABONY ELECTRONICS

OCA (optical clear adhesive) wet coating specialized functional film

InactiveCN106433503AGuarantee the unfavorable phenomena that cannot be torn apart, and effectively guarantee product qualityThe bad phenomenon that the barrier cannot be torn apartFilm/foil adhesive primer layersElectrically-conductive paintsForeign matterPolyester
The invention discloses an OCA (optical clear adhesive) wet coating specialized functional film. The OCA wet coating specialized functional film comprises a releasing-type liquid coating, a PET (polyester) film body and an anti-static coating which are sequentially attached from top to bottom. The OCA wet coating specialized functional film is reasonable in structural design and specially suitable for the OCA wet coating process since the PET film body is ingeniously coated with the anti-static coating and the releasing-type liquid coating and components of the anti-static coating and the releasing-type liquid coating are reasonably optimized, good anti-static effect is achieved, the problem about static electricity easy to occur to coating and tearing of OCA products can be solved, bad situation generated from gathering of dust and foreign objects due to the static electricity is prevented, the situation that solvent can be effectively prevented from immersion corrosion to lead failure in tearing the OCA by the releasing-type layer in the OCA wet coating process is guaranteed, product quality is effectively guaranteed, product percent of pass is increased, convenience is brought to the OCA wet coating process, wide application is facilitated, and the OCA wet coating specialized functional film is specially suitable for the field of full lamination of smart phone screens.
Owner:DONGGUAN DINGLI FILM TECH

Base film for optical protective mask

The invention discloses a base film for an optical protective mask. The base film comprises a polyester film, wherein at least one side surface of the polyester film is coated with a hardened coating, and the outer side of the hardened coating is coated with an anti-fog coating. By means of an improved coating structure and an improved formula, the base film of the optical protective mask is suitable for disease control and epidemic prevention, the dental department, the stomatology department, instrument cleaning, decoration cleaning, chemical production and protection of employees needing to protect the face, and can effectively prevent pollutants from splashing to the face when medical workers conduct clinical reception, treatment and examination; and meanwhile, a good anti-fog function is achieved, and a clear view is provided for treatment.
Owner:JIANGSU SHUANGXING COLOR PLASTIC NEW MATERIALS

Aluminum foil mylar adhesive tape and preparation method thereof

The invention relates to the technical field of aluminum foil mylar adhesive tapes, particularly to an aluminum foil mylar adhesive tape and a preparation method thereof, wherein the prepared aluminumfoil mylar adhesive tape is good in weather resistance, cannot be denatured and broken under the condition of temperature change and humidity change, can avoid the separation of an aluminum foil froma polyester tape in a use process, and comprises a polyester film layer, an adhesion layer, an aluminum foil layer, an adhesion layer and an isolation layer, wherein the polyester film layer, the adhesion layer, the aluminum foil layer, the adhesion layer and the isolation layer are arranged from top to bottom, the adhesion layer comprises 5-15 parts of aqueous acrylic acid and 15-20 parts of cross-linked polyacrylic acid, and during the use, the aqueous acrylic acid and the cross-linked polyacrylic acid are mixed and added into a hot melting machine and are melted and stirred and mixed uniformly. The preparation method comprises: S1, base material preparing; S2, adhesive preparing; S3, polyester film layer treatment; S4, coating with an adhesive solution; Ss5, drying treatment; S6, laminating treatment; S7, curing treatment; S8, irradiation cross-linking modification treatment; S9, winding; and S10, slitting.
Owner:昆山恒永昌电子科技有限公司

Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheet

A polyester film made from two kinds of polyester resins and having a specific DSC (and a specific glass transition point) is provided, (i) which is superior in mechanical property, capable of thermocompression bonding with a metal sheet, despite a high degree of crystallization of the film, reduces quality change of plastic film laminated on the metal sheet even if faced with variation of conditions of thermocompression bonding with the metal sheet, and which is capable of thermocompression bonding even at a relatively low temperature, (ii) which is superior in formability, (iii) which is superior in flavoring property and impact resistance, and which obliterates occurrence of whitening or delamination of the film, or microcracks on the film, even if the film in the metal laminated sheet obtained by thermocompression bonding of the film on the metal sheet or on the surface of a metal can obtained by subjecting the metal laminated sheet to various form processings is crystallized, and (iv) which satisfies productivity at an industrial scale.
Owner:TOYO TOYOBO CO LTD

Flame-retardant, heat-insulating and sound-insulating material for aircraft

The invention discloses a flame-retardant, heat-insulating and sound-insulating material for an aircraft. The flame-retardant, heat-insulating and sound-insulating material sequentially comprises a mirror surface aluminum foil layer, a first polyvinyl fluoride film layer, a first nylon grid layer, a glass wool felt layer, a flame-retardant bubble layer, a polyester film layer, a second nylon gridlayer and a second polyvinyl fluoride film layer from outside to inside; the flame-retardant bubble layer comprises a plurality of closed-pore structure bubbles arranged in a matrix, and a flame retardant is arranged in the bubbles; and packaging is carried out between the first polyvinyl fluoride film layer and the second polyvinyl fluoride film layer. The mirror surface aluminum foil adopting anano-coating has extremely high reflectivity and can effectively reduce heat radiation. The reflecting layer and the flame-retardant bubble layer of the aluminum foil are utilized to realize multipleeffects of heat insulation, heat preservation, corrosion prevention and the like, and an aviation-grade glass wool felt is selected, so that the product has excellent heat insulation, sound absorptionand noise reduction performances. The flame-retardant, heat-insulating and sound-insulating material for the aircraft has the characteristics of flame retardance, light weight, thin layer, heat insulation, sound absorption, noise reduction, high efficiency, energy conservation, water resistance, outer protection and the like.
Owner:SUZHOU JUNYUE NEW MATERIAL TECH

Quality inspection device in polyester film production

ActiveCN111015759ASave the trouble of manually cutting the filmAvoid manual fasteningMaterial strength using tensile/compressive forcesMetal working apparatusPolyesterThin membrane
The invention relates to the technical field of polyester film production and discloses a quality inspection device in polyester film production. The quality inspection device comprises a table top. Agroove and two symmetrically distributed thin grooves are formed in the top surface of the table top. The two thin grooves are located in the left side of the groove and one ends of the thin groovesextend into the groove. Two symmetrically distributed supports are fixedly arranged on the left side of the table top. A thin film roll is arranged between the two supports. A first strut, a second strut and a third strut are fixedly arranged at the top of the table top. The first strut is located on the left side of the second strut. According to the quality inspection device in polyester film production, a first motor operates to finally drive two cutting knives to move to cut a film into three sections of thin films with the same size, the trouble of manually cutting the film is omitted, the two ends of each cut film can be compressed through first electric push rods and second electric push rods, manual fastening is avoided, the time and manpower are saved, meanwhile, three samples arestretched and detected, and the detection efficiency is improved.
Owner:绍兴日月新材料有限公司

Polyester Mylar tape and production process thereof

InactiveCN109207081AGood dielectric insulation propertiesNon-macromolecular adhesive additivesFilm/foil adhesivesPolyesterMaterials science
The invention discloses a polyester Mylar tape comprising a base material and a coating; the base material is made of a polyester thin film; the coating is prepared by mixing acrylic glue, halogen-free flame-retardant powder, a toner, titanium dioxide and a curing agent according to the weight percentage. The coating is filtered and then evenly coated on the base material made of the polyester thin film. The coating is prepared by mixing the acrylic glue, halogen-free flame-retardant powder, the toner, titanium dioxide and the curing agent according to the weight percentage. The coating is evenly coated on the base material made of the polyester thin film, so the polyester Mylar tape has good dielectric insulation performance and flame-retardant, environmental-protection and halogen-free characteristics.
Owner:龙运贴
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