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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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