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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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7235202 |
Net structure and method of making
The present invention concerns an extrusion formed reticulated web, mesh or netting including reticulated hook fasteners for use with hook and loop fasteners the polymer netting comprising two sets...
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7056573 |
Matt, UV-stable, co-extruded polyester film, a method for the production thereof and the use of the same
The invention relates to a co-extruded, biaxially oriented polyester film consisting of a base layer and at least one outer layer. The film contains a UV-stabilizer and has a matt outer layer which...
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7041349 |
Thermal transfer image recording composite sheet
A thermal transfer image recording composite sheet has a lamination structure: (2) image receiving sheet section (including image receiving layer (D), image recording sheet substrate (C) and...
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7041243 |
5-layer co-extruded biaxial-oriented polypropylene synthetic paper and its production process
The invention discloses a 5-layer co-extruded biaxial-oriented polypropylene synthetic paper which is a 5-layer laminated structure with thickness between 30–300 μm comprising the uppermost...
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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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6984437 |
Multilayer, biaxially oriented polyester film, process for its production and its use
Three-layer, highly oriented polyester films having an A-B-C layer construction, preferably made of polyethylene terephthalate, which, in addition to a base layer B, have a smooth surface layer A...
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6982231 |
Elastomeric, breathable laminate with enhanced breathability upon extension
An elastomeric, breathable laminate having enhanced breathability is formed by bonding a breathable, microporous, extendible/elastic film to a nonwoven facing material. The facing material can be...
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6939496 |
Method and apparatus for forming composite material and composite material therefrom
A system and method for extruding composite material and the composite material therefrom. The composite material consists of a filler mixed with a binding agent. The composite material is extruded...
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RE38773 |
High performance biodegradable materials from oriented starch derivatives
The present invention involves the synthesis of a series of amylose (starch) derivatives with various degrees of substitution and amylose/amylopectin ratios. These chains are chemically crosslinked...
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6899841 |
Stretched fasteners
A running length of fastener product is formed of longitudinally pre-oriented synthetic resin. The product is characterized by a base web and an array of discrete fastener elements protruding from...
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6878647 |
Elastic laminate including nonwoven layer formed from highly-oriented-component fibers and disposable garment employing the same
The present invention is directed to an elastic laminate which is elastically extensible in at least one direction. The elastic laminate includes an elastomeric material having a first surface and...
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6863952 |
Multilayered, surface-structured semi-finished product consisting of thermoplastics and film-structuring method
The invention relates to a multi-layered semi-finished product with at least one first and one second film layer. The semi-finished product has a velour-type structure on the outer surface of the...
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6852270 |
Production method of drawn film
A drawn film production method including steps of drawing a crystalline thermoplastic resin film in the TD direction is characterized in that the orientation coefficient of the c-axis of the...
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6843949 |
Process for adjusting WVTR and other properties of a polyolefin film
A process for rendering films, film composites, and articles made therefrom less resistant to passage of water vapor by passing a filled precursor film or film composite through the nip of...
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6824680 |
Preparation of microporous films from immiscible blends via melt processing and stretching
The invention is directed broadly to microporous films prepared from immiscible blends of at least two components, preferably polymers, which are produced via melt processing, a film formed...
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6821464 |
Process for producing polymer/filler composite material
A process for producing a polymer/filler composite material includes a mixture forming step in which there is obtained a mixture of a flake-like filler and a polymer material, and the mean area (L...
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6821372 |
Elastically stretchable composite sheet and process for making the same
An elastically stretchable composite sheet includes an elastic layer and an inelastic layer formed with stretchable fibers having a relatively small diameter and bonded to at least one surface of...
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6815079 |
Opaque film made of polylactic acids
The invention relates to an opaque biaxially oriented film made of at least one layer that contains COC. This layer contains a cycloolefin copolymer (COC) in a concentration of 0.5 to 30 wt. % with...
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6814909 |
Indicator
An indicator comprising a porous resin material, and a liquid retained in the pores of the porous resin material, in which the whiteness of the porous resin material is at least 80, and the...
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6776947 |
Process of adjusting WVTR of polyolefin film
A process for rendering films, film composites, and articles made therefrom less resistant to passage of water vapor by passing a filled precursor film or film composite through the nip of...
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6767622 |
Porous polyolefin film, process for producing same, and use thereof
The present invention provides a porous polyolefin film abounding in air permeability and moisture permeability and having extremely high degree of light transmission and tear strength, a process...
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6706228 |
Process for producing polyolefin microporous breathable film
Polyolefin/filler breathable films may be produced by machine or transverse direction orientation using interdigitating grooved rollers. Biaxial orientation to similarly produce breathable films...
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6638988 |
Porous film, separator for cell, and cell
A porous thermoplastic resin film capable of functioning well as a separator of a cell is provided. The porous film is constituted with a thermoplastic resin and a filler, wherein X R defined by...
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6637128 |
Heating apparatus for a transversely stretched nonwoven fabric
A transversely stretched nonwoven fabric is manufactured by transversely stretching a nonwoven fabric. First, an original web comprising a plurality of un-oriented filaments is heated to a...
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6616881 |
Method of treating zipper to remove camber
A method and apparatus for removing camber from zipper with profiles having interlocking elements and or webs. The zipper is stretched longitudinally in a manner so that the interlocking elements...
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6610242 |
Method for treating polymeric fiber mats and for making filters from such treated fiber mats
A mat of polymeric fibers is treated to alter a filtration surface by the application of heat and pressure. The filtration surface is heated to a temperature sufficient to soften the fibers and...
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6605172 |
Method of making a breathable and liquid impermeable web
A method is disclosed for modifying the physical characteristics of a web which involves passing the web between at least one pair of interengaged rolls to incrementally stretch the web, and then...
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6586073 |
Films having a microfibrillated surface and method of making
Fibers and microfibrillated articles are provided by imparting fluid energy to at least one surface of a highly oriented, voided, melt-processed polymeric film. The fibers and microfibrillated...
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6569527 |
Particulate carbonates and their preparation and use in thermoplastic film compositions
A method of producing a breathable film which comprises the steps of: (a) producing an inorganic filler by treating particles of an inorganic particulate material comprising an alkaline earth metal...
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6569371 |
Method for forming a compound material
A method for forming a compound material by intermittently heating and pressurizing a composite material reinforced by fibers. The method is made up of a pinching step of pinching and fixing the...
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6558591 |
Process of making microporous film
A microporous film of polyethylene having an intrinsic viscosity above 5 dl/g is prepared from a homogeneous solution in an evaporable solvent. The film is cooled and evaporable solvent is...
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6544450 |
Process for producing thermoformable foam sheet using a physical blowing agent
The present invention is a process for producing a thermoplastic foam sheet comprising contacting a molten monovinylidene aromatic or olefinic polymer with a physical blowing agent to form a...
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6534150 |
Stretched film of thermoplastic resin
Disclosed is a stretched film of a thermoplastic resin comprising a stretched film base layer (A) containing 40 to 85 wt % of a thermoplastic resin and 60 to 15 wt % of an inorganic or organic fine...
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6511625 |
Transversely stretched nonwoven fabric with high tensile strength stretched seven times wider or more in transverse direction
A transversely stretched nonwoven fabric is manufactured by transversely stretching a nonwoven fabric. First, an original web comprising a plurality of un-oriented filaments is heated to a...
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6444302 |
Breathable films and method for making
The present invention relates to a cold-drawn breathable film formed from a blend of a soft polymer component and a hard polymer component. The soft polymer component (SPC) is a copolymer of a...
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6423394 |
Plastics material mesh structures
In order to provide wider biaxially-stretched geogrids having high primary direction (PD) strength, crotch-forming zones of a starting material which is at least 2.0 mm thick have protuberances ( 6...
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6395208 |
Method of making an expandable fluoropolymer device
A method of making a radially expandable device having a body constructed of a generally inelastic, expanded fluoropolymer material. The body is deployable upon application of a radial expansion...
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6383431 |
Method of modifying a nonwoven fibrous web for use as component of a disposable absorbent article
An economical method is disclosed for modifying the physical characteristics of a nonwoven fibrous web which involves passing the web between at least one pair of interengaged rolls to...
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6379605 |
Process for producing a 3-layer co-extruded biaxial-oriented polypropylene synthetic paper and transparent film for in-mold label
Disclosed is a process for producing a three layers co-extrusion biaxially oriented polypropylene (hereinafter as BOPP) synthetic paper and transparent film for in-mold label. More particularly,...
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6368543 |
Process using single screw extruder for producing a three layer co-extrusion biaxially oriented polypropylene synthetic paper of thickness 25˜250 &mgr m
Disclosed is an improvement of a process for producing a three layers co-extrusion biaxially polypropylene(BOPP) synthetic paper of thickness 25˜250 μm which is menufactured by using three single...
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6368444 |
Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom
A method for stretching nonwoven sheet material in the cross-machine direction includes coursing a nonwoven sheet material through a deformable nip, the nip being formed between two rotating...
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6364988 |
Process for producing a 3-layer co-extruded biaxially oriented polypropylene synthetic paper of thickness 25-250 &mgr m
Disclosed is a process for producing a 3-layer co-extruded biaxially polypropylene (hereinafter as BOPP) synthetic paper of thickness 25-250 μm. More particularly, the invention relates to a...
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6322732 |
Method for finishing pre-printed paper from multiple webs
Reformation techniques and apparatus. Typically employed to permit separate printing and finishing of multiple webs of paper, these techniques and apparatus utilize or provide heat and, in some...
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6315932 |
Processes for the production of extruded foams of styrene resins
An extrusion foaming method for obtaining a styrene resin foam by introducing a blowing agent into the resin under pressure by which a foam having excellent heat insulating property and compressive...
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6245271 |
Reduced die lip buildup extrusion of polymer compositions
Process for die extrusion of melted polymers that reduces die lip buildup and its deleterious effects. Direct extrusion of mixed polymer pellets and filler concentrate pellets in one embodiment...
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6245270 |
Process for the production of porous polyolefin
A polyolefin porous material is produced by synthesizing silica particles, polysiloxane particles or crosslinked vinyl polymer particles having an average particle diameter of 0.01 to 0.1 μm in a...
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6231803 |
Method for stretching plastic nets and grids apparatus for performing the method
A method for stretching plastic nets and grids having the peculiarity that it consists in subjecting the product to be stretched to irradiation with electromagnetic waves with a wavelength above...
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6228505 |
Medium density polyethylene film having unidirectional tear
The present invention is directed to biaxially oriented polymeric films. Specifically, the present invention is directed to biaxially oriented polyethylene films having unidirectional tear...
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H001955 |
Polyolefin/filler films having increased WVTR and method for making
Films, made of polyethylenes and fillers, and articles made therefrom greater WVTR than previously available films based on conventional Ziegler-Natta based polyethylenes. The polyethylenes are...
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