Abstract: An electrolytic copper foil includes a raw foil layer having a first surface and a second surface opposite to the first surface. In the X-ray diffraction spectrum of the first surface, a ratio of the diffraction peak intensity I(200) of the (200) crystal face of the first surface relative to the diffraction peak intensity I(111) of the (111) crystal face of the first surface is between 0.5 and 2.0. In the X-ray diffraction spectrum of the second surface, a ratio of the diffraction peak intensity I(200) of the (200) crystal face of the second surface relative to the diffraction peak intensity I(111) of the (111) crystal face of the second surface is also between 0.5 and 2.0. A method for producing the electrolytic copper foil, and a lithium ion secondary battery is also provided.

Abstract: A method of calculating a dielectric constant and a dielectric loss of a polymer material including the following steps is provided: providing a polymer having an optimized molecular geometry; analyzing a dipole moment autocorrelation function of the polymer having the optimized molecular geometry; fitting the dipole moment autocorrelation function of the polymer having the optimized molecular geometry via a relaxation function to obtain a corresponding fitting function; calculating a static permittivity of the polymer having the optimized molecular geometry; and obtaining a complex permittivity spectrum via the fitting function and the static permittivity, so as to calculate a corresponding dielectric constant and dielectric loss of the polymer having the optimized molecular geometry.

Abstract: A cloud-based cyber shopping mall system is provided. The cloud-based cyber shopping mall system includes a cloud-based server module, a scene movement module, a product introduction module, a customer service module, a shopping cart module, a style change module, and an exhibition area switching module. The cloud-based server module includes a cloud-based database and a cloud-based shopping mall webpage. Through the scene movement module, the product introduction module, the customer service module, and the shopping cart module, a user can click on related options adjacent to any product viewed on the cloud-based shopping mall webpage to view an introduction of the product, contact the customer service, and place an order. Through the style change module, the user can change a style of a three-dimensional product model on the cloud-based shopping mall webpage.

Abstract: A polyester film and a method for manufacturing the same are provided. The polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.

Abstract: An infrared shielding film and a method for manufacturing the same are provided. The infrared shielding film includes an infrared absorbing layer and a first infrared reflecting layer disposed on a surface of the infrared absorbing layer. The infrared absorbing layer contains a uniform distribution of composite tungsten oxide particles that are present in an amount of 0.1% to 10% by weight based on the total weight of the infrared absorbing layer. The first infrared reflecting layer contains a uniform distribution of titanium oxide particles that are present in an amount of 0.1% to 10% by weight based on the total weight of the first infrared reflecting layer.

Abstract: A multifunctional chair is provided. The multifunctional chair includes a supporting body, a telescopic structure, a seat body, and a pedal assembly. The pedal assembly includes a fixing rod, a movable rod, an operation portion, and an elastic resistance member. The telescopic structure is connected to the supporting body and configured to be operated to telescopically move relative to the supporting body. One end of the fixing rod is fixed to the supporting body. The movable rod is movably connected to the fixing rod. The operation portion is arranged at an end of the movable rod away from the fixing rod. Two ends of the elastic resistance member are respectively connected to the supporting body and the fixing rod. A user can push against the operation portion to rotate the movable rod and the fixing rod toward the ground, and the elastic resistance member provides an elastic resistance.

Abstract: A release liner and a method for producing the same are provided. The release liner includes a resin base layer and two resin release layers. The resin base layer has two surfaces opposite to each other. The two resin release layers are respectively formed on the two surfaces of the resin base layer. Each of the resin release layers includes: a non-polar resin material and a polar resin material. In each of the resin release layers, the polar resin material is dispersed in the non-polar resin material in a plurality of granular forms, an average particle size of the polar resin material ranges from 0.1 ?m to 10 ?m, and a content of the polar resin material in the resin release layer ranges from 10 wt % to 50 wt %, so that a surface roughness (Ra) of the resin release layer ranges from 0.1 ?m to 10 ?m.

Abstract: A method for forming polyester material from recycled film including the following steps is provided: performing a film surface treatment on the recycled film to form a recycled material including polyester; fragmenting the recycled material to form a recycled chipped material, wherein the recycled chipped material has a first intrinsic viscosity; and forming the polyester material by the recycled chipped material, wherein the polyester material has a second intrinsic viscosity, and the second intrinsic viscosity is greater than the first intrinsic viscosity.

Abstract: A manufacturing method of copper foil and circuit board assembly for high frequency transmission are provided. Firstly, a raw copper foil having a predetermined surface is produced by an electrolyzing process. Subsequently, a roughened layer including a plurality of copper particles is formed on the predetermined surface by an arsenic-free electrolytic roughening treatment and an arsenic-free electrolytic surface protection treatment. Thereafter, a surface treatment layer is formed on the roughened layer, and the roughened layer is made of a material which includes at least one kind of non-copper metal elements and the concentration of the non-copper metal elements is smaller than 400 ppm. By controlling the concentration of the non-copper elements, the resistance of the copper foil can be reduced.

Abstract: A detectable dust-proof paper is provided. The detectable dust-proof paper includes a detected layer, a first plastic layers, and a first ink-receptive layer. The detected layer has two opposite surfaces. The detected layer includes at least one metal which is selected from the group consisting of: aluminum, copper, nickel, iron, and a mixture or an alloy thereof. The first plastic layer is disposed on one of the two surfaces of the detected layer. A material of the first plastic layer is selected from the group consisting of: a polyolefin, a polyester, a polyamide, and any combination thereof. The first ink-receptive layer is disposed on the first plastic layer. The first ink-receptive layer contains an inorganic ink-absorption material ranging between a value larger than 0 wt % and 75 wt %.

Abstract: An electronic device case and a decorative film thereof are provided. The decorative film includes a plurality of stacked optical layers. Each of the plurality of stacked optical layers includes a first optical layer, a second optical layer formed on the first optical layer, a third optical layer formed on the second optical layer, and a fourth optical layer formed on the third optical layer. The refractive indices of the first optical layer, the second optical layer, the third optical layer, and the fourth optical layer vary according to a predetermined rule, and the refractive indices of the first optical layer, the second optical layer, the third optical layer, and the fourth optical layer are all between 1.40 and 1.70. The first optical layer and the third optical layer have different refractive indices, and the second optical layer and the fourth optical layer have the same refractive index.

Abstract: A fruit and vegetable anti-fog packaging bag, which is produced with a polypropylene multilayer film, is manufactured by a high-speed bag making machine.

Abstract: A use of a low specific gravity PET composite material that is suitable for manufacturing a tableware article by injection molding is provided. The tableware article provides a balance between aesthetic appearance and food safety and can be used in place of melamine tableware. The low specific gravity PET composite material includes 66.5-96.3 wt % of PET, 0-20 wt % of PBT, 3-10 wt % of an inorganic filler, 0.1-0.5 wt % of an antioxidant, 0.1-1 wt % of a processing aid, and 0.5-2 wt % of a nucleating agent, and the total amount of all components is 100 wt %.

Abstract: A touch display leather and a leather structure thereof are provided. The leather structure includes a diffusion layer, a foam layer and a fabric layer. The diffusion layer includes optical powder dispersed therein. The foam layer is disposed on the diffusion layer, and the foam layer is foamed to provide a leather feel. The fabric layer is disposed on the foam layer, and the fabric layer is color-matched and embossed to present a leather pattern. Base materials of the diffusion layer, the foam layer, and the fabric layer are all at least one material selected from the group consisting of polyvinyl chloride (PVC), polyurethane (PU), and polyolefin (PO), and the leather structure has a light transmittance between 2% and 30%.

Abstract: A black polyester film and a method for manufacturing the same are provided. The method for manufacturing the black polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity lower than the first intrinsic viscosity; mixing black regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester chip raw material; melting and then extruding the polyester chips raw material to form the black polyester film having the predetermined intrinsic viscosity.

Abstract: A matte polyester film and a method for manufacturing the same are provided, The method for manufacturing the matte polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity less than the first intrinsic viscosity; mixing matte regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester masterbatch material; melting and then extruding the polyester masterbatch material to obtain the matte polyester film having the predetermined intrinsic viscosity.

Abstract: The disclosure discloses a heat-sealable polyester film, including a base layer and a heat-seal layer formed on the base layer. The heat-seal layer includes a physically regenerated polyester resin, a chemically regenerated polyester resin, and a modifier. The heat-sealable temperature of the heat-sealable polyester film is between 100° C. and 230° C.

Abstract: A polyester film and a method for producing the same are provided. The polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed of physically recycled polyester chips, and the physically recycled polyester chips have a first intrinsic viscosity. The chemically recycled polyester resin is formed of chemically recycled polyester chips, and the chemically recycled polyester chips have a second intrinsic viscosity. The second intrinsic viscosity is less than the first intrinsic viscosity. The physically recycled polyester chips and the chemically recycled polyester chips are mixed with each other and melt extruded according to a predetermined intrinsic viscosity, so that the polyester film has the predetermined intrinsic viscosity.

Abstract: A white polyester film and a method for manufacturing the same are provided. The method for manufacturing the white polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity less than the first intrinsic viscosity; mixing white regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester masterbatch material; melting and extruding the polyester masterbatch material to obtain the white polyester film having the predetermined intrinsic viscosity.

Abstract: A recyclable retort pouch and a recyclable retort polyester film thereof are provided. The recyclable retort polyester film includes a heat seal layer and at least one polyester layer. The heat seal layer is composed of isophthalic acid, neopentyl glycol, polybutylene terephthalate, 1,4-cyclohexanedimethanol, and polyethylene terephthalate-1,4-cyclohexane dimethanol ester. The polyester layer is formed on the heat seal layer, and is composed of a polyester composition. The polyester composition includes a polyester resin made from recycled PET bottle flakes processed by physical or chemical methods and the polyester resin has an inherent viscosity between 0.62 dl/g and 1.0 dl/g. The recyclable retort pouch is made of the recyclable retort polyester film.