Abstract: A barrier laminate packaging material comprising from its outermost surface to the innermost surface contacting the contents of the container to be prepared therefrom, a first exterior layer of a low density polyethylene polymer, a paperboard substrate, a first interior layer laminate coating of nylon with a tie resin layer, a blown film layer comprising a first low density polyethylene polymer layer, a tie layer, a first interior layer of EVOH, a second tie layer, a second interior layer of EVOH, a third tie layer and a second interior layer of low density polyethylene polymer, and an innermost product contacting layer of low density polyethylene.

Abstract: Regrind is mixed with at least one low density metallocene polyethylene to increase the amount of regrind that can be used in a thermoformed article.

Abstract: A composite of a resin member bonded to a vulcanized rubber member is obtained with using a rubber member vulcanized with a radical-generating agent (e.g., an organic peroxide) and a thermoplastic resin having at least 2 atoms, on average, selected from H and S atom per molecule, each atom having not less than 0.006 of an orbital interaction energy coefficient S represented by the following formula (1): S=(CHOMO,n)2/|Ec?EHOMO,n|+(CLUMO,n)2/|Ec?ELUMO,n| ??(1) wherein Ec: an orbital energy (eV) of a radical, CHOMO,n: a molecular-orbital coefficient of a highest occupied molecular orbital (HOMO) of an n-th H or S atom constituting a basic unit of the resin, EHOMO,n: an orbital energy (eV) of the HOMO, CLUMO,n: a molecular-orbital coefficient of a lowest unoccupied molecular orbital (LUMO) of the n-th H or S atom constituting the basic unit of the resin, ELUMO,n: an orbital energy (eV) of the LUMO, and above all represent a value calculated by a semiempirical molecular orbital method MOPACPM3.

Abstract: A coextruded heat-shrinkable, biaxially-oriented multilayered packaging film comprising a first layer, a second polymer layer, a third polymer layer, and a fourth polymer layer wherein the first polymer layer comprises a first ethylene/?-olefin copolymer preferably, an ethylene/?-olefin copolymer having an ?-olefin comprising 4–8 pendant carbon atoms, a melting point of less than 105° C., a molecular weight distribution Mw/Mn of from 1–2.7, a melt index of from 6.5–34 g/10 min. at 190° C., and is present in the first layer is an amount of from 50–100%, based on the total weight of said first layer. The second layer comprises a second ethylene/?-olefin copolymer having a melt index of from 0.85–6.0 g/10 min.

Abstract: A multi-layer, thermoplastic film bi-axially oriented at a stretching ratio ? to about 3.0:1 in the machine direction and at a stretching ratio ? about 6.0:1 in the transverse direction, which film comprises a layer a) comprising at least 50 wt. % of a crystalline or partially crystalline co-polyamide characterized by a Tg?100° C. and at least one outer heat-sealing layer b) comprising a polyolefin, said film being further characterized in that it has a % free shrink at 100° C.?3 in each direction.

Abstract: A multilayer packaging film, package and process for aseptic packaging applications. The multilayer packaging film includes (a) an inner sealant layer comprising a olefin polymer having a Vicat Softening Point greater than 90° C.; (b) an oxygen barrier layer; and (c) an outer layer comprising a polymeric layer selected from olefin polymers and polyester homopolymers or copolymers having a silicone or other hydrogen peroxide resistant exterior coating, said outer layer having a Vicat Softening Point greater than 90° C.

Abstract: The invention concerns manufactured articles comprising at least two assembled thermoplastic elements, a first element based on polyolefin and a second element based on polyamide. The elements are assembled by being welded together.

Abstract: A multi-layer structure excellent in the barrier properties against alcohol gasoline, particularly hydrocarbon components, and also excellent in the interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance is provided. The stractive is a multi-layer structure comprising two or more layers including at least a layer (a) comprising (A) nylon 11 and/or nylon 12 and a layer (b) comprising (B) a polyamide resin (nylon 9T) consisting of a dicarboxylic acid component and a-diamine component, with 60 to 100 mol % of the dicarboxylic acid component being a terephthalic acid and 60 to 100 mol % of the diamine component being a diamine component selected from 1,9-nonanediamine and 2-methyl-1,8-octanediamine, and preferably further including a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6.

Abstract: The present invention is directed to a biaxially oriented multi-layer film which comprises: (a) a core layer comprising a syndiotactic propylene homopolymer; and (b) at least one additional layer adjacent to the core layer comprising a polymer which is an ethylene or a propylene homopolymer, ethylene copolymer or terpolymer containing comonomers of propylene and/or butene-1. Optionally, there can be a skin layer applied to the exposed surface of the outer layer. The skin layer and/or the at least one additional layer is a polyolefin selected from the group consisting of isotactic polypropylene, polyethylene, ethylene-propylene random copolymer, ethylene-propylene block copolymer or ethylene-propylene-butene-1 terpolymer.

Abstract: A clear, multilayer polymeric film that is desirable for thermoforming applications. The film in its various embodiments include two inner layers of nylon and/or a core layer of ethylene vinyl alcohol or ethylene vinyl alcohol copolymer sandwiched between the two inner nylon layers. The film also has an outer layer of a heat sealable polymer and may also have an outer layer of nylon. The film is coextruded, blown into a tubular shape, oriented, and cooled by the method of tubular water quenching. The film has various improved physical properties over the prior art, including properties of “memory”, clarity, gloss and low haze.

Abstract: The present invention relates to a coextrusion binder useful for petrol tanks of HDPE/binder/EVOH or PA/binder/HDPE structure.

Abstract: This invention relates to a coextruded biaxially stretched tubular film for the durable and crease-free covering of goods packaged in the liquid or pasty state, in particular foodstuffs such as sausage-meat for boiling or cooking or soft cheese, which are heated during and/or after they are packaged.

Abstract: The present invention relates to a multilayer polymeric film structure and a food package made therefrom. Specifically, the present invention relates to a seven-layer non-EVOH structure having six layers of alternating nylon and adhesive, and a seventh layer of a heat sealable polymer. Either the sixth layer comprising the adhesive or the seventh layer comprising the heat sealable polymer may further comprise a polymer, preferably polybutylene, polypropylene and/or high density polyethylene, that may allow the film structure to be easily peelable when heat sealed. Moreover, the present invention relates to food packages made by the film structures having a easy-open peelable seal component contained therein.

Abstract: The present invention provides a laminate for automobile parts having a layer A made from a polyamide resin composition containing 70-99 wt % of (a) a specific polyamide polymer, and 1-30 wt % of (b-1) an ethylene copolymer containing an epoxy group and/or (b-2) an ethylene copolymer modified by an acid anhydride, and a layer B made from a resin composition containing (c-1) a polyethylene resin modified by an acid anhydride and/or (c-2) a polyethylene resin containing an epoxy group, wherein the layer A and the layer B are heat-sealed, except when (1) the layer A contains (b-1) alone as the ethylene copolymer and the layer B contains (c-2) alone as the polyethylene resin; and when (2) the layer A contains (b-2) alone as the ethylene copolymer and the layer B contains (c-1) alone as the polyethylene resin. The laminate of the present invention is superior in strength, stiffness and gasoline barrier property that the automobile parts are required to have.

Abstract: The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend and (B) the second layer is disposed coaxially within the first layer; and the membrane tube (II) is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer.

Abstract: Thermoformable plastic films can be formed into bags, pouches, trays, etc. which are useful when packaging foodstuffs and other products. These films enjoy widespread use in the packaging of meat and other oxygen sensitive products due to the gas permeation barrier provided. Thermoformable packaging films comprise one or more layers of thermoplastic, including olefinic copolymers, amorphous and crystalline nylons, ionomeric polymers, and polyolefins. By selecting the type and combination order of thermoplastics, a packaging film was developed that provides excellent impact and abrasion resistance, sealability, thermoformability, and optical clarity.

Abstract: A flexible packaging film construction which includes an outer layer of formable biaxially oriented polyester which is printed on one side and adhered to a flexible polyamide containing coextruded film.

Abstract: A composite container having a barrier property and comprising a packaging material which comprises an inner surface layer, a barrier layer, and a base material layer wherein the barrier layer comprises one selected from nylon MXD 6 and a semi-aromatic polyamide resin, which is a copolymer comprising an aromatic polyamide forming component and an aliphatic polyamide forming component wherein the aromatic polyamide forming component comprises an aliphatic diamine and isophthalic acid and/or terephthalic acid, and the aliphatic polyamide forming component comprises a lactam or an aliphatic diamine, and an aliphatic dicarboxylic acid. The above packaging material may also comprise an inner surface layer having a barrier property and a base material layer wherein the inner surface layer having a barrier property comprises the above semi-aromatic polyamide resin.

Abstract: A polyolefin resin composition comprises (A) 10 to 100 wt % of a propylene/?-olefin random copolymer obtained by random copolymerization of propylene and a C2 to C20 ?-olefin, and having a melting point as measured by DSC of 40 to 115° C. and an ?-olefin content of 5 to 70 mol %, (B) 0 to 90 wt % of a random propylene resin having a melting point as measured by DSC of 120 to 150° C., and (C) an alicyclic saturated hydrocarbon resin having a glass transition point of 20 to 100° C. and a number average molecular weight of 1200 or less, the component (C) being used in an amount of 5 to 100 weight parts per 100 weight parts of the total amount of the components (A) and (B). A single-layer or multilayer film obtained from the polyolefin resin composition can be stretched at a lower temperature than in the conventional one, and a shrink film obtained by such a low-temperature stretching has a higher shrinkage factor than one stretched at a high temperature, and also has a small natural shrinkage factor.

Abstract: A multilayer film structure having at least two layers wherein the first layer comprises poly(ethylene) having a density range from about 0.93 g/cc to 0.97 g/cc; and a second layer comprising poly(ethylene) having a density range from 0.89 g/cc to 0.93 g/cc wherein the second layer is capable of forming a heat seal. The multilayer film structure is capable of being laminated to another film structure or a packaging film component. The packages of the present invention are useful for the packaging of flowable materials.

Abstract: Described is a membrane comprising a microlayer polymeric composite having at least about 10 microlayers. The microlayers are each individually up to about 100 microns thick and alternate between at least one gas barrier material and at least one elastomeric material. The membrane can be formed into a pressurized bladder or cushioning device for many applications, including footwear and hydropneumatic accumulators.

Abstract: A multilayered packaging film having good antifog performance that is suitable for use in food packaging. The multilayered film comprises a nylon film having first and second surfaces; a silicone oil on the first surface of the nylon film; and a sealant film on the second surface of the nylon film, either directly or via an intermediate adhesive tie layer. An antifog composition is either contained within at least part of the sealant film or is coated on a surface of the sealant film opposite the nylon film. The silicone oil effectively blocks the migration of the antifog composition into the nylon film when the multilayered film is stored in roll form.

Abstract: A printing and copying paper capable of printing or copying images distinctly on a large scale, without becoming curled or being blocked up in or sent out of machines as two or more than two of the papers being superposed, by means of high temperature high speed printing or copying machines, in which toners are to be fixed at high temperature, comprising a sheet of paper, a white polyethylene coating layer coating on the surface of the paper, said layer being laminated with a transparent heat resistant resin coating layer, or a transparent heat resistant resin film to form a glossy surface, and a transparent polyethylene coating layer coating on the back surface of the paper, said layer being coated with a transparent heat resistant resin coating liquid which is mixed with matting agents.

Abstract: A hose of a laminated structure which comprises a rubber layer composed of a rubber composition, and a laminate including a metal foil and a resin, the rubber composition including: (A) a rubber including at least one of an ethylene-propylene-diene terpolymer and an ethylene-propylene copolymer; (B) a peroxide vulcanizing agent; (C) a resorcinol compound; and (D) a melamine resin. The hose is light in weight, less costly, and has excellent gas barrier properties.

Abstract: A multilayer film includes a first and second outer layer each including a polymer; and an internal layer including an oxygen scavenger; where one of the first and second outer layers includes a blend of a polymer and an antifog agent, where the antifog agent includes one or more of glycerol fatty acid ester, polyglycerol fatty acid ester, polyethylene glycol fatty acid ester, polyethylene glycol alkyl ether, ethoxylated alkyl phenol, sorbitan ester, ethoxylated sorbitan ester, and alkanol; and wherein the first outer layer includes more than 3% and less than 8%, by weight of the first outer layer, of antifog agent. Unexpected improvements in oxygen scavenging and/or antifog properties of the film are obtained by the combination of the oxygen scavenger and antifog agent.

Abstract: The invention relates to a multilayer packaging comprising at least one cellulosic fibrous material substrate, and at least one polymeric film coated on the cellulosic substrate, where the polymeric film is made of at least one barrier layer comprising an olefin polymer, and at least one sealant layer comprising an amorphous polyamide, the sealant layer being a layer positioned so that it may contact the packaged product.

Abstract: Laminates include a thermoplastic substrate layer, a clear coat layer, and a tie layer between the substrate and clear coat layers. The tie layer most preferably includes a first layer adjacent the thermoplastic substrate layer which is comprised of a polyolefin, and a second layer adjacent to the clear coat layer which is comprised of a polyamide. Most preferably, the substrate layer is TPO and the clear coat layer is PVF. The laminates may be employed to manufacture a variety of shaped articles, most preferably automotive trim components.

Abstract: A multilayered packaging film having good antifog performance that is suitable for use in food packaging. The multilayered film comprises a nylon film having first and second surfaces; a sealant film positioned on the first surface of the nylon film, either directly on the first surface of the nylon film or via an intermediate adhesive; an antifog composition contained within at least part of the sealant film or coated on a surface of the sealant film opposite the nylon film; and a protective film applied onto the second surface of the nylon film.

Abstract: A multilayered packaging film having good antifog performance that is suitable for use in food packaging. The multilayered film comprises a nylon film having first and second surfaces; a sealant film positioned on the first surface of the nylon film, either directly on the first surface of the nylon film or via an intermediate adhesive; an antifog composition contained within at least part of the sealant film or coated on a surface of the sealant film opposite the nylon film; and a protective film applied onto the second surface of the nylon film.

Abstract: A cover tape for packaging electronic components, which can prevent troubles associated with the peeling strength or trouble appearing during mounting of the electronic components, which can be produced at a low cost, and which is transparent; that is, a cover tape has a peeling strength not too high and not too low and small in difference between the maximum value and the minimum value and which has high transparency. Specifically, the cover tape for packaging electronic components, which can be heat-sealed to a plastic-made carrier tape having pockets capable of storing electronic components, formed regularly therein and which is made of (A) a biaxially oriented film layer made of polyester, a polypropylene or a nylon and (B) a thermoplastic resin layer composed of 100 parts by weight of an ethylene copolymer and 10 to 100 parts by weight of polystyrene, laminated to one side of the layer A.

Abstract: Described is a single or multi-layered film having at least one polyamide layer (I) containing dispersed nanoscale nucleating particles. The smallest components of the dispersed nanoscale nucleating particles in layer (I) have an extension of less than 100 nm in at least one randomly selected direction for each component, based on a weighted average of all components of the dispersed nanoscale nucleating particles. Crystalline structures emanating from the surface of the dispersed nanoscale nucleating particles are formed after the layer (I) is cooled from the molten state at a rate of from 10 to 20° C. per minute. The dispersed nanoscale nucleating particles are present in the polyamide layer (I) in an amount of from 10 ppm to 3000 ppm, based on the total weight of layer (I).

Abstract: A heat-shrinkable backseamed casing film comprises a first layer, a second layer, and a third layer, with the first and third layers being outer layers and the second layer being between the first layer and the third layer. The first outer layer serves as an inside casing layer, and comprises polyolefin; the second layer comprises polyester and/or polyamide; the third layer serves as an outside casing layer and comprises polyolefin, polystyrene, and/or polyamide. The second layer has a thickness of at least about 5% of a total thickness of the heat-shrinkable casing film. Alternatively, the first layer comprises polyolefin and has a surface energy level of less than about 34 dynes/cm; the second layer comprises a polyamide having a melting point of at least 300° F.; and the third layer comprises polyolefin, polystyrene and/or polyamide. A package comprises a cooked meat product within the backseamed casing.

Abstract: The present invention relates to a multilayered molding comprising at least two of a layer A and a layer B, in which the layers A are formed on both sides of the layer B, each layer A comprises a same or different thermoplastic resin compositions, the layer A has a flexural modulus according to ASTM D790 of not less than 5,000 kg/cm2, the layer B comprises a thermoplastic resin composition and has a flexural modulus according to ASTM D790 of not more than 5,000 kg/cm2, and the ratio of flexular modulus of the layer A to flexural modulus of the layer B is not less than 5.

Abstract: The present invention relates to a coextrusion binder comprising: 5 to 30 parts of a polymer (A), itself comprising a blend of a polyethylene (A1) of relative density between 0.935 and 0.980 and of a polymer (A2) chosen from elastomers, very low-density polyethylenes and ethylene copolymers, the (A1)+(A2) blend being cografted with an unsaturated carboxylic acid; 95 to 70 parts of a polyethylene (B) of relative density between 0.930 and 0.950; the blend of (A) and (B) being such that: its relative density is between 0.930 and 0.950, the content of grafted unsaturated carboxylic acid is between 30 and 10,000 ppm, the MFI (melt flow index) measured according to ASTM D 1238 at 190° C./21.6 kg is between 5 and 100. This binder is particularly useful for petrol tanks of structure: HDPE/binder/EVOH or PA/binder/HDPE.

Abstract: The present invention provides a multilayer film. The film has a first layer of a blend of a first component selected from the group of: (1) ethylene and a-olefin copolymers having a density of less than about 0.

Abstract: Multi-layer film laminate is described having at least 4 layers comprising at least one layer (I) as surface layer vapor-coated with aluminum or SiOx or a metal oxide from main groups 2 or 3, a gas barrier layer (II), at least one further layer (III) vapor-coated with aluminum or SiOx or a metal oxide from main groups 2 or 3 and a heat-sealable layer (IV), wherein the vapor-coated surface of layer (I) is adjacent to the following layer. Their use as high gas barrier films as wrapping of vacuum insulation panels is also described.

Abstract: Described is a flexible, multilayered film comprising, (i) an outer layer composed substantially of polyamide containing nanodispersed filing material (e.g., in an amount of from 0.1 and 3 wt. %), and (ii) at least one additional polyamide layer. The multilayered film of the present invention may be produced by flat film or blown film methods. Also described is a method of using the multilayered film of the present invention as a packaging for foodstuff.

Abstract: A low scalping laminate material for a container for food packaging includes a core layer of paper or paperboard, a polymeric coating applied to one side of the core layer and a combination of layers disposed on an opposing side of the core layer. The combination of layers includes a first barrier layer disposed adjacent the core layer, a first tie layer adjacent the first barrier layer, a second barrier layer adjacent the first tie layer, a second tie layer adjacent the second barrier layer and a second polymeric coating adjacent the second tie layer. The second polymeric coating is configured for a food contacting surface. The first and second barrier layers are formed from an admixture of an aromatic polyamide resin and polyamide 6, and the first and second tie layers are formed from one of a modified polyethylene and a polyolefin. A carton formed from the low scalping laminate is disclosed.

Abstract: An apparatus for manufacturing an extruded plastic product, the apparatus including at least one rotor and at least one stator defining a clearance having a feed gap between them, the rotor and stator collectively including a groove for moving material to be extruded from a feed zone of the apparatus to a shear zone of the apparatus upon rotation of the rotor and a countergroove for facilitating the extrusion of the material, the groove and countergroove being disposed on opposite sides of the feed gap, the countergroove having a thread that is opposite in direction to a thread of the groove, the groove having a cross-section that is substantially unchanging, the countergroove being disposed substantially along an entire length of the shear zone, the groove, countergroove and clearance forming a processing cavity having a volume that is the volumes of grooves, countergrooves and the clearance, the processing cavity having a cross-sectional area that decreases continuously along at least a part of an axis of t

Abstract: Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life, packaging applications. Thus a polyamide composition comprises a polyamide homopolymer, copolymer, or blends thereof, and at least one polyamide reactive, oxidizable polydiene or oxidizable polyether. The polyamide products are particularly suited to making barrier packaging articles such as monolayer or multi-layer films, sheets, thermoformed containers and coinjection/coextrusion blow molded bottles comprising PET, polyolefin or polycarbonate as structural layers. Such articles are useful in a variety of oxygen-sensitive food, beverage, pharmaceutical and health care product packaging applications.

Abstract: A multilayer plastic container comprises a layer of a polypropylene and a layer of EVOH directly adjacent the layer of polypropylene wherein at least one of the polypropylene and EVOH layers comprises an adhesive such as maleic anhydride concentrate mixed therein to adhere the layer of polypropylene to the layer of EVOH.

Abstract: A laminated nylon air brake tubing is formed from outer and inner layers of nylon 11 or nylon 12 with inner layers of nylon 6. The nylon 6 and nylon 11 or 12 layers are adhered together by a tie layer. The tie layer is preferably a nylon 6-12 or an anhydride modified polyolefin. The air brake tubing has improved high temperature strength and low temperature impact resistance characteristics.

Abstract: The present invention relates to a thermoformable multilayer film comprising in succession: a protective layer (A); a transparent layer (B) comprising (by weight the total amount being 100%) 0 to 100% of a fluoropolymer (B1) and 100 to 0% of a polymer (B2) essentially consisting of alkyl (meth)acrylate units; a layer (C) based on a polyamide with amine terminal groups; a layer (D) consisting of a polyolefin functionalized by an unsaturated carboxylic acid anhydride; a bonding layer (E) made of a polyolefin, said film being obtained by coextruding the various layers, said film being used to cover various substrates, for example by injection-moulding the substrate in the melt onto the multilayer film placed in the bottom of an injection mould, the layer (A) of the film being placed against the wall of the mould.

Abstract: A laminate comprising first and second polymeric films. One of the films is heat shrinkable and the other of the first and second films is non-heat shrinkable. At least one of the first and second films has an oxygen permeance of no more than about 150 cm3/m2·atm·24 hours at 23° C. and 0% relative humidity. The first film comprises an outer layer which, even when untreated, has a surface energy of at least 0.034 J/m2, and at least about 10 weight percent of one or more polymers having a Vicat softening point of at least about 65° C. The first film outer layer forms a first outer surface of the laminate. The outer layer of the second film forms the second outer surface of the laminate. The laminate has an improved ability to be sealed about a forming shoe without necking down.

Abstract: The adhesive ethylene copolymer composition of the invention comprises a specific long-chain branched ethylene/&agr;-olefin copolymer (or this copolymer and its graft-modified product) and a tackifier (or a specific ethylene/vinyl acetate copolymer), and has specific density, MFR, crystallinity and graft quantity. The composition containing the tackifier can form a layer having good adhesive force to polystyrene resins, ABS resin, polyacrylonitrile resins and ethylene/vinyl acetate copolymer saponified resins even in an atmosphere of high temperatures. The composition containing the ethylene/vinyl acetate copolymer can form a layer having good adhesive force to polyester resins, polycarbonate resins, polyvinylidene chloride resins and ethylene/vinyl acetate saponified resins even in an atmosphere of high temperatures. The other adhesive ethylene copolymer composition of the invention comprises a blend of a graft-modified linear ethylene/&agr;-olefin copolymer and an olefin elastomer.

Abstract: The present invention provides a multilayered polyamide film having at least two polyamide resin layers, which develops less than 10 pinholes when evaluated for pinhole resistance by flexing it 1,000-times at 25° C. and which has an elongation of 6 mm or less at 120° C. in vertical pitch evaluation. This film has excellent resistance to pinholes and is well suited for lamination.

Abstract: An object of the present invention is to: eliminate the need to provide a tool such as a pair of scissors for partly opening a packaging bag; and allow the packaging bag to be partly opened easily when it is heated in a microwave oven, based on an increase in internal pressure caused by vapors associated with heating. To attain this object, the present invention provides a packaging bag made using as a material a synthetic resin film adapted for a microwave oven, wherein a layer constituting an inner surface is formed of a blend of a straight chain low-density polyethylene resin and a polybutene-1 resin, and one of opposite heat sealed portions perpendicular to a film flowing direction has a portion with a smaller heat seal width at an appropriate position.

Abstract: A multilayer permeable film structure having high temperature capabilities comprising a first, perforated sealable layer; a second primer layer and a third outer layer is disclosed. The multilayer permeable film structure can be heat sealed to a formed tray containing a volatile material.

Abstract: A medical grade tubing that includes a layer of ultra low density polyethylene that has been let down, or drawn down, in diameter approximately 10% to about 50% in an extrusion process and an inner layer of an RF responsive material, the tubing allowing for the selective connection of the tubing to another tubing using a sterile welding device.

Abstract: Polymeric films having at least one outer layer consisting of a blend of low density polyethylene and a poly-(alkylstyrene) can be heat sealed to non-woven webs such as paper to produce peel openable packages, for example for medical equipment. Such packages can be peeled open with low fiber lift from the non-woven webs.