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RE40274 Heat shrinkable polyester film  
The present invention provides a heat shrinkable polyester film whose hot water shrinkage along its main shrinkage direction is equal to or greater than 20% when the film is put in hot water of...
7270777 Method and apparatus for producing a low-shrinking smooth yarn  
A method and apparatus for producing a high-strength and low-shrinkage synthetic flat yarn. After melt spinning, the filaments are combined to a yarn and drawn. Subsequently, the yarn is compressed...
7235203 Successively biaxial-oriented porous polypropylene film and process for production thereof  
Disclosed is a successively biaxially stretched film obtained by successive biaxial stretching method comprising extruding a melt of a β-crystal nucleating agent-containing polypropylene-based...
7229581 Process for producing a thermoplastic film using plastic bottle recyclate  
Invention relates to a process for producing a single-layer or multilayer film by extrusion or coextrusion, biaxial orientation, and heat setting based on crystallizable thermoplastics whose...
7214339 Polyester film and a production method thereof  
The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness...
7087269 Multi-component composite membrane and method for preparing the same  
The present invention relates to a multi-component composite separate membrane and a method for preparing the same, and to a multi-component composite membrane comprising a support layer and active...
7070723 Method for spin-drawing of melt-spun yarns  
A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning...
7063764 Apparatus and method for producing a polyolefinic transpiring film  
The invention relates to a method and a plant for producing polyolefinic transpiring films by means of bubble extrusion of a LLDPE and filler mix, flattening of the extruded tube to obtain a double...
7060210 Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures  
This invention involves forward integration of the art paste extrusion process by adding a step to the processing sequence to change the uniaxially-oriented art form to a desirable planar...
7056461 Process of making polyester multifilament yarn  
A method of producing a polyethylene terephthalate-based polyester fiber includes spinning polyethylene terephthalate based polyester to produce an undrawn yarn with an intrinsic viscosity of 0.83...
7037461 Method of stretching film  
A method of stretching films in which all or a portion of the width of the film is cooled during or just after stretching so as to improve the uniformity of the film. The includes stretching a...
7022273 Process for making stable polytrimethylene terephthalate packages  
A process for the production and for the winding of one polyester yarn, preferably multi-filament yarn, which comprises at least about 85 weight %, in relation to the total weight of the polyester...
7001557 Biaxially oriented polyester film, and a production method thereof  
An object of the present invention is to provide a biaxially oriented high quality polyester film excellent in thermal dimensional stability and clarity and also excellent in productivity, and also...
6992128 Highly active β-nucleating additive for polypropylene  
The invention relates to a method for enhancing the fraction of β-crystal modification in polypropylene by compounding nanocrystalline substances. A β-fraction of 50–100% is achieved with said...
6991758 Method of making a web having good breathing properties  
A method and a device for production of a web with good breathing properties, for example having a nonwoven web based on plastic filaments and/or plastic fibers and a plastic film, applied on one...
6911257 Process for the manufacture of homopolyamide-4,6 fibers  
The invention relates to a process for the manufacture of homopolyamide-4,6 fibers by melt spinning of homopolyamide-4,6, to fibers and multifilament yarns obtainable by the process and the use...
6887541 Insulated packaging material and pouch formed thereof  
An insulated packaging material includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one facing layer of film, paper or fabric. The packaging material...
6887414 Method for manufacturing polyester fibers  
Method for manufacturing polyester fibers comprising melt-extruding a polymer without increasing an intrinsic viscosity of the polymer during spinning to minimize a reduction of the intrinsic...
6878326 Process for preparing industrial polyester multifilament yarn  
Process for preparing an industrial polyester multifilament yarn with high modulus and low shrinkage, in which polyethylene terephthalate polyester is wound at 2000 m/min or more to produce undrawn...
6878276 Methods of making stretched filtering membranes and modules  
A method for stretching a hollow fibre while making a stretched filtering membrane from a precursor involves wrapping the hollow fibre around a structure and modifying the structure such that at...
6872352 Process of making web or fiberfill from polytrimethylene terephthalate staple fibers  
The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the...
6852411 Polyester fibers for rubber reinforcement and dipped cords using same  
A polyester fiber containing polyethylene terephthalate at 90 mol % or higher of a whole repeating unit in a molecular chain thereof, the fiber having an intrinsic viscosity (IV) of 0.85 dl/g or...
6821612 Methods for preparing soft and elastic biodegradable polyhydroxyalkanoate copolymer compositions and polymer products comprising such compositions  
Soft and elastic polymer products are obtained by stretching a composition comprising a biodegradable polyhydroxyalkanoate copolymer comprising at least two randomly repeating monomer units. The...
6818294 Polyoxymethylene fiber and method for production thereof  
Polyoxymethylene fiber having a high strength and a high modulus of elasticity is provided. Polyoxymethylene fiber comprising polyoxymethylene copolymer having a half-crystallization time of at...
6811643 Film, laminated sheet and methods of making same  
A method of making a microporous laminate sheet having a first film layer and a second layer. The first film layer includes a pore initiator and is bonded to the second layer in order to form a...
6797458 Photographic multi-layer film base comprising 1,4-cyclohexane dimethanol  
This invention relates to a poly(ethylene terephthalate)-based photographic multilayer film base having improved properties with regard to cutting and finishing operations compared to conventional...
6797225 Process for producing polyester sheet and film  
A process for producing a polyester sheet by dropping a molten polyester sheet extruded from an orifice-form nozzle on a cooling roll having the grooves of a large number of micro-cracks formed on...
6793854 Method and apparatus for making plastic film, and plastic film  
A method and an apparatus for making a plastic film, and to a plastic film wherein the method includes extruding a film from plastic material by an extruder and orientating the film after...
RE38583 Process for the production of cellulosic moulded bodies  
The invention relates to a process for the manufacture of cellulosic flat films and cellulosic membranes in the form of flat membranes whereby a solution of cellulose in an aqueous tertiary amine...
6780371 Process for inline producing biaxially oriented releasing film  
There is disclosed a process for inline producing a biaxially oriented releasing film by consecutively orienting a non oriented film (polyethylene terephthalate or polypropylene) in the machine or...
6777099 Stabilized film based on titanium-catalyzed polyesters  
Polyester films which comprise a stabilizer for inhibiting oxidative degradation, at least some of which has been covalently incorporated into the polymer chain of the polyester through...
6756000 Process of making multifilament yarn  
The present invention is directed to processes for the manufacture of multifilament yarn, including the steps of extruding multifilaments of a polymer containing at least mole 85 percent L-lactide...
6752945 Process for making poly(trimethylene terephthalate) staple fibers  
A process of making polytrimethylene terephthalate staple fibers, including (a) providing polytrimethylene terephthalate, (b) melt spinning the melted polytrimethylene terephthalate at a...
6743505 Bioabsorbable multifilament yarn and methods of manufacture  
The present invention relates to a process of forming bioabsorbable, multifilament yarn from Lactide-rich copolymers, including the steps of extruding and spinning a Lactide-rich copolymer to form...
6740270 Spin draw process of making partially oriented yarns from polytrimethylene terephthalate  
This invention is a spin draw process for making partially oriented yarn from polytrimethylene terephthalate (PTT) which comprises the steps of: (a) extruding and spinning PTT in forming a...
6737226 Process for making polyester photographic film base and photographic element comprising said base  
A process for making polyester film base material comprising more than 65 mol % of 1,4-cyclohexanedimethanol (CHDM) of the total glycol component in the polyester material. The film base is...
6733719 Polypropylene biaxially oriented film  
A method of making a polypropylene product for use in making films and preferably biaxially oriented films and more preferably biaxially oriented films wherein a tenter-frame processing line is...
6727052 Multilayer photographic film and an imaging element made of said base  
This invention relates to a PET-based photographic multilayer film base having improved properties with regard to cutting, stiffness and post-process curl. In particular, the polyester film base...
6723267 Process of making highly oriented polyolefin fiber  
The invention relates to a highly oriented polyolefin fiber containing polyolefin with an intrinsic viscosity of at least 5 dl/g, which fiber has a tensile strength of at least 26 cN/dtex and a...
6703119 Biaxially oriented polyester film having a high oxygen barrier and process for its production  
A metalized or ceramic-coated biaxially oriented polyester film is disclosed, with a base layer B which comprises at least 80% by weight of thermoplastic polyester, and with at least one outer...
6699574 Polypropylene-based resin composition for stretched film, process for producing the same and stretched film  
A polypropylene-based resin composition for stretched film, comprising 20 to 98 parts by weight of a propylene-based polymer(A) having an intrinsic viscosity [η] A of 1.8 to 8 dl/g and a melting...
6699418 Method for producing biaxially stretched film made of ethylene-vinyl alcohol copolymer  
A method for producing a biaxially stretched film is provided, in which the method comprises, stretching a film made mainly of an ethylene-vinyl alcohol copolymer having an ethylene content of 15...
6676871 Gas-permeable but liquid-impermeable polyolefin microporous films  
The invention concerns a method for producing a microporous film with strong isotropic tendency permeable to gases and impermeable to aqueous liquids, consisting of at least one layer, comprising...
6670110 Photographic multilayer film base comprising 1,4-cyclohexane dimethanol  
This invention relates to a poly(ethylene terephthalate) photographic multilayer film base having improved properties with regard to cutting, stiffness and curl property. The multilayer film base...
6657033 Thermal bondable polyolefin fibers comprising a random copolymer of propylene  
The present invention relates to thermal bondable fibers comprising a random polymer of propylene with one or more olefins comonomers different from ethylene, to the process for preparing said...
6649263 Polyester resin and industrial yarn process  
A polyester resin, a method for its preparation, the polyester prepared by the method, a method for manufacturing therefrom at increased productivity a dimensionally stable polyester yarn having a...
6645622 Biodegradable fiber and process for preparing the same  
The object of the present invention is to provide melt-extrusion conditions and drawing process which enable to carry out stable and smooth fiber spinning of polyester produced by microorganisms,...
6599453 Biaxially oriented polypropylene for printing of water-based inks and heat-sealing/non-heat-sealing electroplating treatment and process thereof  
A process for fabricating biaxially oriented polypropylene to modify the properties of polypropylene through treatment of flame is disclosed. The surface tension and the planarity of the...
6589463 High tensile strength polethylene terephthalate film and process  
A process for producing mono-axially oriented polyethylene terephthalate film having increased mechanical strength in the machine direction which comprises the steps of drying substantially...
6582634 Process of making a yarn  
A method of converting a plastics material into a yarn, in which the plastics material includes one or more polymers selected from the group consisting of nylon, polyesters, polyethylene, polyvinyl...