Abstract: The objective of the present invention is to provide a biaxially stretched polyamide film that is excellent in an impact resistance, a folding pinhole resistance and a friction pinhole resistance and that is produced from a raw material derived from a biomass. The present invention relates to a biaxially stretched polyamide film, comprising 99 to 70 mass % of a Polyamide 6 resin and 1 to 30 mass % of a polyamide resin, wherein at least a part of a raw material of the polyamide resin is derived from a biomass, and the biaxially stretched polyamide film meets the following (a) and (b): (a) the number of Gelbo pinhole defect is 10 or less after the biaxially stretched polyamide film is twisted and bent 1000 times at 1° C. using a Gelbo flex tester, (b) a distance leading to a pinhole formation by a friction resistance pinhole test is 2900 cm or more.

Abstract: To provide a biaxially-oriented polyester film roll that is excellent in transparency and heat resistance and has less defects. A biaxially oriented polyester film roll of the present invention characterized by satisfying requirements (1) a winding length of the film roll, (2) a width of the film roll, (3) an average hardness of an outermost surface layer of the polyester film roll, (4) a variation in hardness, (5) a thickness of a polyester film of the polyester film roll, and (6) an irregularity of thickness in the maximum concave portion.

Abstract: Provided is a method that can stably produce polyaryletherketone that has a high degree of polymerization and can be easily recovered. The method for producing polyaryletherketone includes: a polycondensation step of carrying out desalting polycondensation in a reaction solvent; and a cooling step of cooling a reaction mixture after desalting polycondensation is completed. When the method is implemented, the polycondensation step is carried out in a hydrophilic solvent under pressurized conditions, and the polymerization temperature in the polycondensation step is at or above the boiling point of the hydrophilic solvent at ambient pressure. In addition, the polymer content in terms of monomers at the time of cooling in the cooling step is from 1 part by mass to 50 parts by mass, per 100 parts by mass of the hydrophilic solvent in the reaction mixture.

Abstract: The present disclosure is an acryl film formed from a main dope solution including an acryl resin shown in the following formula 1 and CSR particles, and peel strength measured in peeling speed of 0.5 mpm is 20 gf/2 inch or less, tear strength is 6 gf or more, has excellent peel strength, thereby visual stain by thickness unevenness is improved, and having excellent tear strength and good brittleness. a and b are an integer and 1 or more. MMA-BMA wherein, MMA is methyl methacrylate unit and BMA is butyl methacrylate unit.

Abstract: A device for stretching a thermoplastic film simultaneously in the longitudinal direction and the transverse direction is provided. The device includes, on each side of the film (F) to be stretched, grasping members for grasping a lateral edge of the film (F), and guide members; first and second guide rails (R1, R2), on which the members and are respectively able to move; first connecting rods connecting the grasping members and the guide members. In an embodiment, each guide member is connected to a single grasping member by one or several of said first connecting rods, and is connected to a first longitudinal adjusting member by one or several second connecting rods connected to the first longitudinal adjusting member; and the device includes adjusting means for adjusting the position and orientation of said first longitudinal adjusting member relative to said first and second guide rail (R1, R2).

Abstract: A body support structure includes a backrest and a seat connected to the backrest. A suspension material is connected to the backrest or the seat. The suspension material has a first zone with a first stiffness and a second zone with a second stiffness greater than the first stiffness. Also included are methods of creating different zones in the suspension material.

Abstract: The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: A) a functionalized ethylene-based polymer, and B) at least one ethylene/alkylacrylate copolymer.

Abstract: A laminated sheet or a container includes: an absorbing layer absorbing at least one of liquid and gas; a reinforcing layer laminated on the absorbing layer with an adhesive layer interposed therebetween; an aluminum layer laminated on the reinforcing layer with an adhesive layer interposed therebetween; and a barrier layer laminated on the aluminum layer with an adhesive layer interposed therebetween and suppressing entry of at least one of liquid and gas.

Abstract: A filament winding system includes a storage unit that stores in advance a reference shape of a winding object, and winding conditions including a winding position and a winding angle at which a fiber is wound around the winding object having the reference shape, a guide that is movable relative to the winding object, and feeds the fiber onto the winding object, a rotating device that rotates the winding object, such that the fiber fed from the guide is wound around the winding object, a measuring unit that measures a shape of the winding object, and a controller. When there is a difference between the reference shape stored in the storage unit, and the measured shape of the winding object, the controller corrects the winding conditions so as to reduce or eliminate the difference, and controls the guide according to the corrected conditions.

Abstract: The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B).

Abstract: Provided is a polarizer whereby screen brightness does not become zero regardless of the direction in which a viewer faces when the polarizer is used in a liquid crystal display device capable of displaying three-dimensional images, in which three-dimensional images are visible through a polarizing filter. The polarizer comprises a polarizing film and protective films disposed on both sides of the polarizing film; at least one of the protective films being an oriented film; and the tilt of the orientation axis or an axis orthogonal to the orientation axis of the oriented film relative to the polarization axis of the polarizing film being 1° or more and less than 45°.

Abstract: Disclosed is a copolymer film that includes a first comonomer including a chlorofluoro olefin and a second comonomer that is selected from the group consisting of itaconic acid, 2,3-dihydropyran, D-glucal, glycerine carbonate vinyl ether, 2-hydroxypropyl acrylate, maleic anhydride, vinylidene chloride, and mixtures thereof.

Abstract: An incrementally activated laminate that includes an incrementally activated fibrous web and a film having alternating first and second regions and a laminate of the film and an extensible fibrous web. The first region of the film includes a first polymeric composition, and the second regions include an elastic polymeric composition that is more elastic than the first polymeric composition. In the incrementally activated laminate, the distance between midpoints of two first regions separated by one second region is smaller than the activation pitch, and the first regions are not plastically deformed. In the extensible laminate, a tensile elongation at maximum load of the film is up to 250 percent of the tensile elongation at maximum load of the extensible fibrous web. Methods of making the laminates are also described.

Abstract: Provided is a liquid crystal display device that has excellent visibility while using a protective film comprising a polyester film. The liquid crystal display device comprises a backlight light source, and a liquid crystal cell disposed between two polarizers; the backlight light source being a white light-emitting diode; each of the polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; and at least one of the protective films being a polyester film having a retardation of 3,000 to 30,000 nm.

Abstract: A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tire, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.

Abstract: An extended film and a manufacturing method thereof are provided. The extended film includes a poly(lactic acid) and a block copolymer, wherein the block polymer includes a first block, a second block and a third block that connected with each other by chemical bonds. The extended film is formed by steps of mixing poly(lactic acid) and the block copolymer to form a mixture, compressing the mixture to form a board body and extending the board body to form an extended film, thereby forming an extended film having properties of high thermal-resistance and high transparency, the film thus obtained is applicable for packaging use.

Abstract: The invention provides a method of manufacturing a polymeric implantable medical device using gel extrusion of high molecular weight polymers or charge-induced orientation to avoid heat degradation of the polymer that might occur during conventional heat extrusion.

Abstract: A stretched film comprised of a “B1” layer comprised of a thermoplastic resin 1, an “A” layer comprised of a styrene-based resin, and a “B2” layer comprised of a thermoplastic resin 2 stacked in that order and having a width of over 1000 mm, wherein a ratio of the “A” layer in the stretched film is 45 wt % or less, an average value of an orientation angle ? with respect to a width direction across at least 1000 mm of the width direction is 0°±1°, a variation in orientation angle ? is 0.5° or less, and a value of an Nz coefficient is ?3.5 to ?0.5 in range.

Abstract: The invention relates to a sealable, biaxially oriented polyester film comprising a base layer B, a sealable cover layer A, and a non-sealable cover layer C. The invention further relates to a method for producing the film and to the use thereof.

Abstract: An extensible apertured nonwoven web, and a method for making such an apertured nonwoven web. In one embodiment the method comprises the steps of providing an apertured nonwoven web, incrementally stretching it in a direction substantially parallel to the cross machine direction, and applying tension in the machine direction such that the web width after applying tension is less than the web width after incremental stretching.

Abstract: The invention relates to a polyester film incorporating at least one UV stabilizer of the formula I, in which R1 is hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkenyl, heterocycloalkyl, aryl, or heteroaryl, and R2 is a moiety which contains at least one ?-electron system, which contains a carbon atom and at least one further atom selected from carbon, oxygen, and nitrogen, where the moiety R2 contains at least one atom different from carbon, where the film includes at least one further UV absorber which does not correspond to the formula I. The invention further relates to a process for producing the film, and also to articles formed from the film.

Abstract: A dispensing mechanism that deploys a roll of web material having slit cuts and expands it into a web with a cellular structure. This is accomplished by mounting the roll of unexpanded web material on an axle that is positioned at a first angle to a guide wheel assembly. That first angle is not perpendicular to the direction of deployment. The material moves through the guide wheel assembly longitudinally in such a way that tension is applied at a second angle to the direction of deployment. This diagonal tension causes the web material to expand and form cells. Single axle as well as multi-axle systems are disclosed. In this way, a plurality of rolls of web material may be deployed and expanded as a single unit.

Abstract: A biaxially oriented laminate film including a core layer including a blend of crystalline polylactic acid polymer and an inorganic antiblock particle which is biaxially oriented at low transverse direction orientation temperatures to impart a degree of cavitation around the particles such that a matte or opaque appearance is obtained. The laminate film may further have additional layers such as a heat sealable layer disposed on one side of the core layer including an amorphous polylactic acid resin and/or a polylactic acid resin-containing layer disposed on the side of the core layer opposite the heat sealable layer, a metal layer, or combinations thereof.

Abstract: A method for preparing a flexible film substrate with a low glass transition temperature can be used in the production of an article that retains dimensions and improves the surface smoothness after high temperature processing. The invention, for example, would enable low temperature films such as PET and PEN to be dimensionally stable and ultra flat at conditions commonly used in electronic processing which can typically exceed 200° C. More specifically, the methods enable the use of e.g. barrier films based on PET or PEN in OLED/PLED manufacturing.

Abstract: Single, continuous PTFE layers having lateral zones of varied characteristics are described. Some of the lateral zone embodiments may include PTFE material having little or no nodal and fibril microstructure. Methods of manufacturing PTFE layers allow for controllable permeability and porosity of the layers, in addition to other characteristics. The characteristics may vary from one lateral zone of a PTFE layer to a second lateral zone of a PTFE layer. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device.

Abstract: A method of treating a net (2) formed from interconnecting strands (4a, 4b) of ultra-high-molecular-weight polyethylene (UHMWPE), the net (2) being formed with knotless intersections (6), comprising the steps of: a) heating the net (2) to a temperature of from 80° to 135° C.; b) applying tension to the net (2); c) reducing the temperature to below 80° C.; and d) removing tension from the net (2).

Abstract: A method for producing a stretchable sheet that can uniform the shape, such as the width and thickness, and the strength, of a stretched nonwoven fabric. The method for producing a stretchable sheet according to the invention comprises a step of stretching a nonwoven fabric in the cross-machine direction perpendicular to the machine direction in which the nonwoven fabric is transported and a step of compressing the nonwoven fabric stretched in the step of stretching the nonwoven fabric, in the thickness direction of the nonwoven fabric.

Abstract: A microporous membrane is made by a dry-stretch process and has substantially round shaped pores and a ratio of machine direction tensile strength to transverse direction tensile strength in the range of 0.5 to 5.0. The method of making the foregoing microporous membrane includes the steps of: extruding a polymer into a nonporous precursor, and biaxially stretching the nonporous precursor, the biaxial stretching including a machine direction stretching and a transverse direction stretching, the transverse direction including a simultaneous controlled machine direction relax.

Abstract: Provided is a method of manufacturing a microporous polyolefin film useable as a battery separator, which is easy to control strength, permeability and shrinking properties of the microporous film and embodies excellent quality uniformity and production stability in fabricating the microporous film.

Abstract: A method of treating a net (2) formed from interconnecting strands (4a, 4b) of ultra-high-molecular-weight polyethylene (UHMWPE), the net (2) being formed with knotless intersections (6), comprising the steps of: a) heating the net (2) to a temperature of from 80° to 135° C.; b) applying tension to the net (2); c) reducing the temperature to below 80° C.; and d) removing tension from the net (2).

Abstract: The invention relates to a polymer film made of a polyamide composition comprising at least 80 weight percentage (wt. %) of a semi-crystalline semi-aromatic polyamide with a melting temperature (Tm) of at least 270° C., wherein the wt. % is relative to the total weight of the polymer composition, wherein the polymer film has an average coefficient of thermal expansion in plane in the temperature range of 20° C.-Tg, measured in plane with the method according to ASTM D969-08, of at most 40 ppm/K. The said film can be made from a polyamide moulding composition comprising said polyamide by film casting followed by biaxial stretching. The film has properties suitable for carrier films in flexible printed circuit boards.

Abstract: A polyester film is described, including a first polyester and a second polyester. The weight ratio of the first polyester to the second polyester ranges from 1:1 to 1:3. The glass transition temperature of the first polyester is higher than 140° C. and that of the second polyester is lower than 140° C.

Abstract: Flexible tubular film (10) is helically cut into a flat strip by unwinding the tubular film in flattened form by a tumbling unwinder (1), advancing the flat film tube to a tube expansion zone (17) in which the flat tube is expanded into a circular cylindrical tube and is passed axially over a hollow mandrel (14) slightly lower in external diameter than the diameter of the expanded tube to be cut by knife (18) helically while on the mandrel into a flat strip that is removed at an angle to the mandrel axis. The flat tube is longitudinally stretched by stretching rollers (107-112), which tumble with the tumbling unwinder. The apparatus further comprises stabilization means for stabilizing the orientation applied by the tumbling stretching rollers, applied to the helically cut film strip after it has been drawn from the mandrel.

Abstract: Thin PTFE layers are described having little or no node and fibril microstructure and methods of manufacturing PTFE layers are disclosed that allow for controllable permeability and porosity of the layers. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device.

Abstract: Disclosed is a heat shrinkable polyester film formed from a polyester resin that is mainly composed of ethylene terephthalate and contains 3-12% by mole (inclusive) of one or more monomer components, which can be amorphous components, relative to all the polyester resin components, in which the heat shrinkable polyester film has a main shrinkage direction which is the width direction. The heat shrinkable polyester film is characterized in that the shrinkage in 80° C. glycerin, the shrinkage in 130° C. glycerin and the tensile breaking strength in the longitudinal direction are controlled within specific ranges.

Abstract: The invention aims at providing a heat-shrinkable polyester film which is excellent in tearability along perforations and in break resistance after storage when used as labels of beverage bottles. The invention relates to a heat-shrinkable polyester film which is made of a polyester resin comprising ethylene terephthalate as the main constituent and containing at least 13 mol % of at least one monomer capable of forming an amorphous component in the whole polyester resin component and which has specific heat shrinkage characteristics and exhibits specific mechanical characteristics after heat shrinking treatment. The film can be produced by a sequential biaxial orientation process comprising longitudinal orientation step, intermediate heat treatment step, positive cooling step, transverse orientation step, and final heat treatment step.

Abstract: A water-proof sound-transmitting membrane 10 includes a polytetrafluoroethylene porous membrane 1 and has a surface density of 1 to 20 g/m2. The polytetrafluoroethylene porous membrane 1 includes a first porous layer 1a, and a second porous layer 1b stacked on and integrated with the first porous layer 1a by a binding force acting between polytetrafluoroethylene matrices.

Abstract: Biaxially oriented polyester films including polyester polymer, a carbodiimide hydrolysis stabilizer, and a UV absorber are described. The polyester films have a carboxyl end group concentration of 5-20 equivalents per ton, and a haze value of 2% or less. The films exhibit superior transparency and possess stable light transmission characteristics. Methods of making the films and articles produced from the films are also described.

Abstract: A system and method for controlling curl in multi-layer webs. The method can include providing a coated web, curing the coating to form a multi-layer web, and stretching the web during curing of the coating. Some coatings shrink at least partially when cured such that curing the coating induces a strain in the multi-layer web. Stretching the web occurs during curing to induce an opposing strain that at least partially counteracts the strain induced by curing to form a multi-layer web having a desired curvature. The system can include a curing section configured to cure the coating, and can further include a web stretching section, which can be located proximate the curing section and can be substantially coincident with the curing section, such that the web is stretched while the coating is cured.

Abstract: In a process of producing a stretch sheet, a strip-shaped laminate sheet 10A having an elastically stretchable elastic layer 1 and substantially inelastic, inelastic fiber layers 2 and 3 partially joined to each other at bonds 4 or a strip-shaped fibrous sheet containing an elastic component and a substantially inelastic component and having embossed regions formed by embossing in parts is stretched in directions starting from the bonds 4 or the embossed regions to obtain a stretch sheet 10. The stretch sheet has raised ridges and recessed grooves extending in the direction perpendicular to the stretch direction, and the bonds 4 or the embossed regions are present in the ridges.

Abstract: A process in which a wound roll of biaxially oriented polyester film having a glass transition temperature (Tg (° C.)) is annealed at a temperature Ta (° C.) above Tg where Tg<Ta?Tg+100 (° C.) for a time t after thermal equilibrium where 1 hour?t?72 hours and cooled, for the purpose of improving the shrinkage of said polyester film.

Abstract: Provided is a method for manufacturing a high-quality porous film. Here, while the porous film is being manufactured through forming micropores by stretching, a raw film is prevented from slipping on the surfaces of the respective rolls as much as possible even though the raw film includes oil or liquid paraffin as a solvent. The method is for manufacturing a porous film through forming micropores by successive biaxial stretching. A tensile force applied to the raw film F transferring from the longitudinal stretching machine (10) to the transverse stretching machine (50) is set not less than a stretching force necessary for the longitudinal stretching, and thus the raw film is prevented from slipping on a contact surface between the raw film and each roll of the longitudinal stretching machine (10).

Abstract: A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-soluble titanium salts and water-soluble or water-dispersible organic crosslinkers. The coating may be formed by applying a dispersion of the coating composition in a diluent to the substrate and subsequently drying the coated substrate to evaporate the diluent.

Abstract: A film stretcher that transports a film material in a predetermined transport direction while holding an end of the film material in a width direction of the film material to stretch the film material in the width direction includes a holding unit that includes a stretching roll having an annular groove formed on an outer periphery of the stretching roll and an endless wire fitted in the annular groove over a predetermined rotation angle range of the annular groove in a circular arc shape so that the end of the film material in the width direction of the film material is pinched. The stretching roll is inclined so as to open toward a downstream side in the transport direction of the film material. The holding unit transports the film material in the transport direction while pinching the film material using the stretching roll and the endless wire, whereby the film material is stretched in the width direction.

Abstract: The present invention provides a stretched thermoplastic resin foam sheet that has excellent flexibility even compressed to a thickness as thin as about 0.05 mm, and a method for producing the same. The stretched thermoplastic resin foam sheet of the present invention is producible by stretching a thermoplastic resin foam sheet and has a compressive strength of 1 to 500 kPa as measured in accordance with JIS K6767 when compressed in a thickness direction thereof to a thickness of 0.05 mm. Accordingly, the stretched thermoplastic resin foam sheet has excellent flexibility even compressed to a thickness as thin as about 0.05 mm and is suitably used as a sealing material for a small electronic device such as mobile phones.

Abstract: Biaxially-oriented nylon film according to the present invention is biaxially-oriented nylon film made from nylon. In the biaxially-oriented nylon film, an elongation ratio of the film in each of four directions (an MD direction, a TD direction, a 45 degree direction and a 135 degree direction) until a film rupture is 70 percent or more, the elongation ratio being measured in a tensile test (testing conditions: a sample width is 15 mm; a distance between gauge points is 50 mm; and a tensile speed is 100 mm/min), and a stress ratio A (?1/?2) between a tensile stress ?1 and a tensile stress ?2 in a stress-strain curve obtained in the tensile test of the film is 2 or more in each of the four directions, the tensile stress ?1 being a value at a point where the elongation ratio becomes 50 percent while the tensile stress ?2 being a value at an yield point.

Abstract: The present invention relates to a heat-shrinkable polyester film, which has a heat-shrinkage of 20% or more in both the longitudinal and transverse directions when treated with 80° C. water for 30 seconds and a bidirectional balance parameter in the range of 0.25 to 2.5 and exhibits an excellent properties in die-cutting and removing from a container such as a glass bottle for recycling by washing with hot water.

Abstract: A method of manufacture of a coated polymeric film which comprises performing in sequence the steps of: (i) forming a substrate layer comprising poly(ethylene naphthalate) having a thickness in a range from 50 ?m to 250 ?m; (ii) stretching the substrate layer in at least one direction; (iii) heat-setting the substrate layer under dimensional restraint at a tension in the range of about 19 to about 75 kg/m of film width, at a temperature above the glass transition temperature of the poly(ethylene naphthalate) but below the melting temperature thereof; (iv) heat-stabilizing the substrate layer under a tension of less than 5 kg/m of film width, and at a temperature above the glass transition temperature of the poly(ethylene naphthalate) but below the melting temperature thereof; and (v) disposing a coating layer on a surface of the substrate layer by a process comprising applying a planarizing coating composition thereto such that a surface of said coating layer exhibits an Ra value of less than 0.

Abstract: The present invention relates to a biaxial oriented polyester film and process for preparing the same, the said film is having an average ellipticity of not more than 0.6, Poisson ratio of not more than 0.7 (at elongation greater than 25%) all along the width of web and residual enthalpy in the range of 12% to 20%, a continuous reduction in residual film area up to an elongation of 100%.

Abstract: Methods of increasing the haze of a thermoplastic film include incrementally stretching thermoplastic films in the machine direction. In one or more implementations, methods of incrementally stretching thermoplastic films include reducing the gauge of the films without reducing the films' haze. The methods can involve cold stretching the films and imparting rib patterns into the film. The linear ribs can have alternating thick and thin gauges. Incrementally stretched thermoplastic films can have a haze that is approximately equal to or greater than the haze of the film prior to stretching.