Abstract: A material, which may have a highly open structure such that it has negligible barrier properties, is treated with expandable particles. These are then caused to expand within the material, reducing its openness and improving its barrier properties. The product may be a porous material. The pores may be modified by an agent applied together with the particles or after the expansion. The particles may be thermoplastic microspheres containing gas. The material may be a network material, with a fiber matrix with many voids.

Abstract: A polyvinyl chloride and wood composite pellet by extrusion. The polyvinyl chloride and wood fiber are introduced into the extruder at a ratio of approximately 6:4 by weight, respectively. The polyvinyl chloride is melted and blended with the wood fiber so that the interstitial voids of the wood fiber are filled with polyvinyl chloride. After being extruded through a die, the molten material is cut into pellets having a bulk density of preferably between 0.7 to 0.8 gm/mm.sup.3.

Abstract: A preservation article for the preservation of an archival article which involves an alkaline buffer and an adsorbent. A method of preserving an archival article which involves providing a preservation article in proximity to an archival article, wherein the preservation article includes an alkaline buffer and an adsorbent. The preservation article may be coated on or incorporated into a container, a packaging material, a support for an archival article or the archival article itself.

Abstract: A decorative gift article includes at least one, but preferably more than one, gift item, and a support of a predetermined countenance that is to be used for presenting the gift item or items. A retaining frame secured to the support serves to retain the gift items at a top face of the support so as to be at least partly visible. The retaining frame has at least one mounting portion secured to the support and a loop-shaped portion integral with the mounting portion and delimiting an opening for the passage of the gift item therethrough. The opening has at least one dimension smaller than a corresponding dimension of the gift item and the loop-shaped portion is capable of yielding out of the path of movement of the gift item during intentional withdrawal of the latter through the opening.

Abstract: A stitch-bonded fabric suitable for use as an airbag.

Abstract: An uncoated fabric with linen or ripstop binding of a polyamide filament yarn with a fibril titer of 1.5 to 7 dtex, a strength of 50 to 80 cN/tex and an elongation of 15 to 30%, for producing an impact gas bag (airbag), characterized in that the fabric simultaneously has an air permeability of <1/dm.sup.2 /min, a residual boiling shrinkage of <2%, and a tear propagation strength in warp and weft of >110 N.

Abstract: A sleeve for padding a hazardous-duty garment strap, such as a firefighting suspender shoulder strap, or for padding a hazardous-duty pack strap, includes an elongated inner strip of padding material, an outer layer of heat and flame resistant material substantially surrounding the inner padding strip, and a central passage shaped to slidably receive the strap of the garment or pack strap therethrough. In a preferred embodiment, the padding is made of heat and flame resistant closed cell foam material, and the outer layer is made of an aramid material.

Abstract: An axially extending composite tubular member having a plurality of plies and having primary bending stiffness along a longitudinal axis, has at least one interior ply having a matrix material and a first fiber component with fibers oriented at an angle relative to the longitudinal axis of between thirty degrees and sixty degrees, and more particularly between forty degrees and fifty degrees. An internal weblike reinforcement spans across the tubular interior of the member between and is secured to two spaced apart wall portions. The first fiber component provides significant torsional stiffness to the composite member and the internal weblike reinforcement provides significant impact resistance to the composite member.

Abstract: An aromatic polyamide filament includes extremely fine inorganic material having a high refractive index of 2.0 or more and an extremely fine average particle size of 0.3 .mu.m or less and dispersed, in an amount of 0.1 to 5% based on the total weight of the filament, in at least a surface portion of an aromatic polyamide filament matrix; has an individual filament thickness of 0.5 to 50 deniers, a tensile strength of 18 g/d or more, an ultimate elongation of 3.5% or more and an initial modulus of 450 g/d; and exhibits an enhanced weathering resistance derived from the high ultraviolet ray-reflecting, shielding and absorbing properties of the extremely fine inorganic particles dispersed in the filament matrix.

Abstract: A main body of a hollow cylindrical member is formed of a wound preimpregnation sheet made of reinforcing fibers impregnated with synthetic resins. A synthetic resins layer with a metallic member is provided onto an outer periphery of the main body for reinforcing and/or decorative property. The metallic member is in the form of a thin film bonded to an outer periphery of the synthetic resins layer or a net-like metallic member embedded in the layer.

Abstract: A decorative gift article includes a plurality of gift items and a support of a predetermined countenance that is used for presenting the gift items. A pouch accommodates the gift items and is connected to a bottom side of the support. An elongated element, especially a relatively narrow decorative ribbon, having a central portion secured to the bottom side of the support and two free end portions of substantially equal length integral with the central portion is used for establishing the connection between the pouch and the support in that its end portions are tied in a knot about a substantially central portion of the pouch. The gift items fill the pouch less then completely so that the tying of the free end portions of the elongated element around the central portion of the pouch results in the formation of a constriction at such location.

Abstract: A laminated hose is present which is suitable for a fuel conducting hose or other hose, or diaphragm, used for example in an automotive vehicle, which structure is required to have excellent heat resistance and gasoline permeation resistance while maintaining suitable properties of bonding and flexibility. The hose is constituted by an inner veneer layer of THV, a terpolymer of tetrafluoroethylene, hexafluoropropylene and vinylidene fluoride, as a permeation barrier layer. This inner layer is reinforced by an elastomeric tie layer, a reinforcing layer and an elastomeric cover.

Abstract: A preferred filter media is provided. The media includes a fine fiber web secured to the surface of a coarse fiber support. A preferred filter media, comprising multiple layers of fine fiber media separated by coarse fiber support, is provided. Advantageous filter constructions result and are provided. Also according to the disclosure, methods for using such arrangements to filter are provided.

Abstract: An orientable in situ expandable layer comprisinga) a blend of incompatible, in situ-expandable thermoplastic particles and a thermosettable matrix resin for the in situ-expandable thermoplastic particles which blend has the capacity of expansion in height, width and length directions andb) other insoluble and matrix-resin incompatible solid particles uniformly incorporating throughout the resin matrix, which other insoluble and matrix-resin incompatible solid particles have (i) an aspect ratio of length/width greater than 1, that defines a longitudinal axis (length) of the particles which longitudinal axis is not greater than about one inch (2.54 cm.), and (ii) thermal stability at the temperature of expansion of the resin and insolubility in the resin, and (iii) an orientation in the thermosettable resin of their length in one or two directions.Moldable compositions and methods of making the compositions and molded article from the compositions are disclosed.

Abstract: For producing woven fabrics for air bags and other industrial applications, an intermingled unsized synthetic filament yarn is used with a yarn titer of 100-1000 dtex. The individual filaments of the yarn have a titer not exceeding 5 dtex. The yarn exhibits a mean opening length of 2-10 cm, the coefficient K1 for the stability of the intermingling points of the yarn exceeds 0.6, and the coefficient K2 for the stability of the intermingling points of the yarn exceeds 0.3. This yarn can be used to manufacture industrial woven fabrics with the required properties, in particular woven fabrics for air bags, in a cost-effective manner.

Abstract: The preparation of water-insoluble, bactericidal, peroxide-containing products, by reaction of magnesium acetate with hydrogen peroxide, and products obtained are disclosed. Processes for application and deposition of these reaction products on natural, synthetic and blend fibrous substrates are also disclosed. The modified fibrous substrates thus produced inhibit the growth and spread of odor- and disease-causing gram-positive and gram-negative bacteria and the antibacterial activity of the modified fibrous substrates is durable to repeated launderings.

Abstract: A high strength, uncoated, uncalendered airbag fabric that is lighter in weight than heretofore and exhibits an air permeability of less than 4 cfm per square foot of area at air pressures of one-half inch of water. The fabric is woven on a fluid jet loom from synthetic, continuous, multi-filament yarns having a denier in the range of 200 to 900.

Abstract: Waterproof, breathable, flexible, seamless shaped articles, such as gloves or socks, are described which are made of a flexible layered composite comprising:(a) a microporous thermoplastic polyester polyurethane or polyether polyurethane that is water vapor permeable, and(b) a nonporous copolymer that is waterproof but water vapor permeable which provides improved waterproofness to the microporous polymer layer.

Abstract: There is provided a vacuum cleaner bag with high fine particle removal efficiency under normal and shock loading conditions, shock loading including a short term challenge with high particle concentrations (e.g., when a vacuum is used to pick up a pile of debris). The bag also exhibits high loading capacity without significant loss in pressure drop. The bag includes an outer support layer, a fibrous filter layer that is charged to create electrets, and an inner diffusion layer that is substantially unbonded to the filter layer, except at necessary bag seams required for assembly of the filter bag.

Abstract: The present invention describes aliphatic polyoxaesters containing amines and/or amido groups and blends thereof with other polymers that may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The aliphatic polyoxaesters of the present invention have a first divalent repeating unit of formula I:[O--C(O)--C(R.sub.1)(R.sub.2)--O--(R.sub.3)--O--C(R.sub.1)(R.sub.2)--C(O)-- ]Iand a second repeating unit of the formula:[--O--R.sub.12 --].sub.u, XVIand optionally a third repeating unit with a formula selected from the group consisting of:[--O--R.sub.4 --].sub.A, II[--O--R.sub.5 --C(O)--].sub.B, III([--O--R.sub.5 --C(O)].sub.P --O--).sub.L G XIand combinations thereof wherein R.sub.12 contains an internal amine or internal amide group.

Abstract: Aqueous peroxide-free size compositions for application to glass fibers contain, as essential components, a reaction product of a polymeric amine and an amine-reactable organosilane, a film-forming polymer and an emulsified polyolefin. The reaction product can be preformed or made in situ, and is preferably the product of a polyalkylene polyamine and an epoxy-functional alkoxysilane. An optional added component is a water-soluble, non-volatile carboxylic acid. Glass fibers treated with the size composition can be made into mats, especially continuous strand, needled mats, useful for reinforcing thermoplastic polymers such as polypropylene in laminates which then can be used in molding processes to make articles of good physical properties.

Abstract: A cable splice case or other article for environmental sealing comprises a composite material having multifilament fibres therein, which fibres are blocked in order to prevent passage of fluid through the material in a direction parallel to its major surfaces.

Abstract: An epoxy resin composition which comprises: (a) an epoxy resin having at least two epoxy groups in the molecule, (b) an epoxy resin curing agent, (c) a cure accelerator, (d) an aromatic polyamide pulp and (e) an inorganic filler as the essential components, the aromatic polyamide pulp (d) being contained in an amount of 0.5 to 10% by weight based on the total weight of the component (a), the component (b) and the component (d), and the inorganic filler (e) being contained in an amount of 75 to 94% by weight based on the total weight of the component (a), the component (b), the component (c) and the component (e), and a semiconductor device sealed with the above epoxy resin composition. The cured product of the epoxy resin composition is good in balance of hot impact strength and hot flexural strength and hence, the semiconductor device sealed with the epoxy resin composition is excellent in soldering resistance.

Abstract: A process for producing uncoated woven fabrics from synthetic yarn for an airbag comprises the steps of: (a) producing a woven fabric from high tenacity polyester filament yarn having a filament linear density of not more than 5 dtex, a yarn linear density within the range from 250 to 550 dtex, a hot air shrinkage at 200.degree. C. of less than 9% and a boil off shrinkage of less than 2%, (b) washing the fabric at temperatures of less than 60.degree. C., and (c) drying the washed fabric at temperatures of less than 170.degree. C. under conditions so that the dimensions of the fabric, based on its dimensions prior to washing, do not change at all or by less than 2% in warp and weft directions. The uncoated fabric obtained by this process is particularly suitable for making airbags and is notable for good drapability.

Abstract: A rope substitution belt which has a higher strength than a rope having the same mass, has a substantially circular section, and is equipped with belt portions for sewing on both sides. The belt is a narrow width woven fabric (10) including warps (6) and wefts (7) of synthetic fiber filaments. The belt includes a main body portion (2), a belt portion (4) and a connecting portion (3) for connecting the main body portion (2) to the belt portion (4), that are disposed in a longitudinal direction. The main body portion (2) has a structure with wadding yarns (5) which are woven into a hollow woven structure. The warp density coefficient in the hollow woven structure portion (22) is set to be not greater than 0.700. The belt portion (4) has a structure with a part, or the whole, of the wadding yarns (5) which are so arranged as to cross the wefts with the warps (6) of the hollow woven structure of the main body portion (2). The belt portion (4) has a width W which is at least 2.

Abstract: A transportable assembly of composite reinforcing sleeves for reinforcing a support column includes a plurality of sleeves defining a discontinuity at lateral edges, wherein each sleeve comprises a plurality of first high tensile strength filaments extending parallel to one another, a plurality of second high tensile strength filaments extending parallel to one another at an angle to the first filaments, and a matrix of fully cured resin in which the first and second filaments are embedded. The sleeves are arranged concentrically and held together by the matrix, with a release film interposed between adjacent sleeves. Each sleeve terminates in edges which are spaced from one another to define a gap in said sleeve, the gaps of said sleeves being in alignment with one another.

Abstract: A prepreg for a sleeve member of fiber reinforced thermoplastic resin available for a tennis racket or a golf club is woven by using ribbon-shaped reinforcing fiber tows/uni-directional commingle yarns and matrix fiber tows, and the ribbon-shaped reinforcing fiber tows/commingle yarns make the prepreg and, accordingly, the sleeve product thin, light, highly dense, economical and large in mechanical strength.

Abstract: There are described a multicomponent compound yarn composed of at least three components, wherein a first component comprises from 40 to 70 percent by volume of thermoplastic fibers, a second component comprises from 10 to 30 percent by volume of polyfluorocarbon fibers, and a third component comprises from 10 to 50 percent by volume of fiber made of a polymer whose melting point is at least 20.degree. C. above the melting point of the fibers of the first component, and processes for producing it. The multicomponent compound yarn described is used for producing the sliding layer of plain bearings or of sliding ring seals.

Abstract: Coating compositions for blocking heat from hyperthermal sources are reinforced with high-temperature, high emissivity, open weave fabrics. The coating compositions contain materials which actively respond to excessively high temperatures by undergoing endothermic processes or by swelling, preferably by both. The preferred fabrics are made of graphite or cardo-polymer yarns. The reinforced compositions may be applied directly to a substrate, or they may be molded into self-supporting shapes which are applied to the substrate or are themselves structural units.

Abstract: Described herein are textile fiber-working units and methods for preparing them. These units have at least one layer made of a mixture of a polyamide, a crosslinked acrylonitrilebutadiene rubber, a plasticizer and a crosslinking agent. This layer forms a ring and has an outer fiber-working surface which forms an endless path for processing fibers. The units are made by combining the ingredients to form a uniform blend which is then worked into a shape, heated to crosslink the rubber, and then producing the fiber-working unit using appropriate finishing techniques such as cutting, grinding, and polishing.

Abstract: Container that holds a fluid is disposed in a conformable sleeve that has a tubular body and an opening. The tubular body comprises a nonwoven web that contains microfibers, and the opening is sized to permit the container to enter the tubular body's interior. The conformable sleeve is wrapped at least one full turn about the container to surround its side. First and second portions of the sleeve project axially from the container's ends when the sleeve is wrapped about the container. The conformable sleeve protects the container from breaking, and it can sorb the fluid in the container should the container fail.

Abstract: The present invention describes a new aliphatic polyoxaesters that is bioabsorbable and may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The invention also contemplates a process for producing these polyesters. The aliphatic polyoxaesters of the present invention have a first divalent repeating unit of formula I:[O--C(O)--C(R.sub.1)(R.sub.2)--O--(R.sub.3)--O--C(R.sub.1)(R.sub.2)--C(O)-- ]Iand a second repeating unit selected from the group of formulas consisting of:[--O--R.sub.4 --].sub.A, II[--O--R.sub.5 --C(O)--].sub.B, and III([--O--R.sub.5 --C(O)].sub.P --O--).sub.L G XIand combinations thereof.

Abstract: An in-mold label material is a nonwoven mat of fibers having one side fused with the outer surface of a polymeric container and the other side coated with a pigment-containing latex suitable for printing thereon. The label paper is manufactured from commercially available fibers combined in water into a homogeneous mixture and then formed into a mat employing a wet-lay process. For use with polyethylene containers, the label may be a web consisting of 88-100% polyethylene fibers and 0-15% polyvinyl alcohol fibers or 70-100% polyethylene fibers, 0-15% polyvinyl alcohol fibers and 0-30% polypropylene fibers. For use with polyester containers, the label may be a web consisting of 50-90% polyester staple fibers, 10-40% bicomponent polyester/co-polyester, core/sheath binder fibers and 0-10% polyvinyl alcohol binder fibers thermally bonded together. The nonwoven web of fibers has a pigmented coating.

Abstract: Disclosed are flexible, kink-resistant shaped fabric products which are particularly well adapted for protecting and/or covering elongate substrates, such as cables, conduits, wiring and the like. The shaped fabric products include a wall portion comprising a filament resiliently set in a spiral configuration with respect to the longitudinal axis of the shaped product. The wall portion may also preferably comprise a filament in the form of circumferential hoops substantially conforming in shape and size to the cross-sectional configuration of the shaped product.

Abstract: A vessel for containing or conveying a fluid comprises a wall having at least an inner layer adapted to be adjacent to or in contact with the fluid and an outer layer, each layer being comprised of a matrix of polymeric material, the polymeric materials of the inner and outer layers being differently constituted. The two layers are bonded together and the polymeric material of the inner layer has a coefficient of shrinkage during curing which is less than the co-efficient of shrinkage of the resin material in the outer layer so that the inner layer of the wall has a post-curing residual compressive stress induced therein by the outer layer. The invention extends to a method of forming a multi-layered polymeric vessel.

Abstract: A method of weaving a papermakers fabric having weft loops in which the loop forming weft yarn is woven as two picks in a common shed in each respective fabric layer as it exists in the loom. The weft yarn is wrapped about a core yarn at one edge of the fabric as it exists in the loom between successive weft insertions in said common shed.

Abstract: A process for producing a composite part comprising:(i) putting short reinforcing fibers into a transfer mold;(ii) impregnation said short reinforcing fibers with a low viscosity resin;(iii) maintaining said short reinforcing fibers impregnated with by said resin in said transfer mold at a first temperature T.sub.1 known as the gelation temperature until a pasty preform is obtained whose viscosity is suitable for compression molding;(iv) removing said pasty preform from the mold;(v) placing said pasty preform in a compression mold brought to a second temperature T.sub.2, known as the compression temperature, wherein T.sub.2 >T.sub.1 ;(vi) compression molding said pasty preform; and(vii) polymerizing said pasty preform at at least a third temperature T.sub.3 wherein T.sub.3 .gtoreq.T.sub.2.

Abstract: Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) matrix composites, particularly friction discs, and to methods of manufacture of same. Offcut waste fibrous sheet material may be recycled and reformed into a web useful in the manufacture of such composites.

Abstract: A pressure-sensitive adhesive film, comprising a pressure-sensitive adhesive coated on the surface of a film backing, characterized in that the hardness of said film is within the range between H and 3B determined by a pencil scratch test according to JIS K 5400, and that said pressure-sensitive adhesive contains elastic microspheres with an elastic modulus ranging from 1.times.10.sup.4 to 1.times.10.sup.7 dyn/cm.sup.2.

Abstract: The present invention describes a new aliphatic polyoxaesters and blends thereof that may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The invention also contemplates a process for producing these polyesters. The aliphatic polyoxaesters of the present invention have a first divalent repeating unit of formula I:[O--C(O)--C(R.sub.1)(R.sub.2)--O--(R.sub.3)--O--C(R.sub.1l)(R.sub.2)--C(O)- -] Iand a second repeating unit selected from the group of formulas consisting of:[--O--R.sub.4 --].sub.A, II[--O--R.sub.5 --C(O)--].sub.B, and III([--O--R.sub.5 --C(O)].sub.P --O--).sub.L G XIand combinations thereof. These aliphatic polyoxaesters may be blended with other polymers which are preferably biocompatable.

Abstract: An apparatus and method for making a low cost, self-venting, inflatable protective cushion of simple and structurally efficient design with a shape and construction that optimizes the cushion's ability to withstand inflation pressures and impact when deployed which includes a sheet defined by at least one fold line and a plurality of flap portions, each flap portion having a base edge corresponding to a fold line and at least two side edges each extending outwardly from a base edge and ultimately converging to meet each other, the flap portions being folded at the fold line(s) and being joined at corresponding side edges to define an inflatable chamber. The inflatable protective cushion and method for making same may further include a lightweight, low permeability, fabric that optimizes the cushion's ability to withstand inflation pressures and impact when deployed and minimizes the packed volume of the cushion when stored.

Abstract: A dust sock filter medium laminate is provided which has at least two nonwoven webs of microfibers which have an average diameter (using a sample size of at least 10) between about 10 and 25 microns and which webs have been joined by a method comprising the steps of (a) directing the component layers to a separation zone, (b) applying water in the amount of from about 5% to 25% based on the weight of the combined layers, (c) combining the component layers, (d) passing the combination through a sonic bonder operating within the range of up to about 40,000 cps against a patterned anvil to produce a corresponding pattern of thermal bond areas over about 3% to 25% of the surface area of the combination, and, (e) drying the sonically bonded combination.

Abstract: A shield for protecting spacecraft from impact with particles having a wide range of velocities includes three elements. Sets of spacers are used to secure the elements in positions in which they are separated from each other selected distances. The bumper element is the outermost element and is composed of ceramic fabric material or tin and is utilized to vaporize or melt a high velocity particle upon impact therewith. The intermediate element is a cloud stopper element and is composed of a metallic layer over a graphite epoxy layer and is used to absorb small fragments resulting from high velocity impacts with the bumper element. The innermost element is a fragment stopper element and is utilized to absorb low velocity particles. The shield elements generally enclose the spacecraft and are mounted onto hardpoint end portions of the spacecraft so that impact forces are not transmitted directly to impact sensitive portions of the spacecraft.

Abstract: To produce a pultrusion which can be machined without undue strength loss bidirectional woven fiber fabric is modified to be pultrudable into a high shear strength composite member. In a preferred form of the invention the fabric is pleated in the pultrusion process to create an endless wall of stacked switchback pleated layers which defines a box beam wall in one example, and the shaft of a bolt in another. Products produced by this process have improved isotonic strength qualities over currently produced pultrusions, which are limited to unidirectional fibers, continuous fiber mats, or alternating layers of non-woven 0.degree. and 90.degree. cloth and do not have the shear strength inherent in the pleated configuration.

Abstract: A dual substrate, single-pass printing process prints a high basis weight substrate and a low basis weight substrate. Ink striking through the low basis weight substrate is collected and absorbed by the high basis weight substrate. The printed substrates are then separated and rewound for subsequent transport and handling.

Abstract: The present invention describes an aliphatic polyoxaamide polymer and blends thereof that may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The aliphatic polyoxaamide of the present invention have a first divalent repeating unit of formula I:[X--C(O)--C(R.sub.1)(R.sub.2)--O--(R.sub.3)--O--C(R.sub.1)(R.sub.2)--C(O)-- ]Iand a second repeating unit selected from the group of formulas consisting of:[--Y--R.sub.17 --].sub.T, I[--O--R.sub.5 --C(O)--].sub.B, and II([--O--R.sub.9 --C(O)].sub.P --O--).sub.L G XIand combinations thereof, wherein X and Y are selected from the group consisting of --O-- and --N(R)--, provided both X and Y are not both --O-- and may be blended with a second polymer that is preferably biocompatable.

Abstract: An elongated, tapered seamless and hollow tubular member of net shape is disclosed. The tubular member is made by a method comprising providing an elongated, tapered mandrel, applying a composite material consisting of reinforced fibers with a resin on the mandrel, providing a shell having an elongated, tapered bore, inserting the mandrel with the composite material applied thereon into the bore of the shell to provide a mold assembly, heating the mold assembly, displacing the mandrel and shell longitudinally toward each other to compress the composite material of the article being formed by simultaneously applying a tensile force at one end of the mandrel and a compressive force at the other, allowing the mold assembly to cool, and then separating the shell and mandrel from the molded article.

Abstract: A shielding system for an enclosure wherein strips of shielding material including a layer of metal, for example, metal foil or gauge metal, are placed on the walls of the enclosure in an overlapping or abutting relationship, with shielding tape between the overlapped portions or overlying the butted seam. The shielding tape preferably consists of an electrically conductive nonwoven mat of entangled fibers which is laminated on one side to metal foil and which is bonded on the other side to the metal substrates using nonconductive adhesive. The entangled fibers penetrate the nonconductive adhesive and contact the surface of the metal substrate to provide an electrical continuity that seals the seam against leakage of electromagnetic radiation.

Abstract: The present invention describes a new aliphatic polyoxaesters that is bioabsorbable and may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The invention also contemplates a process for producing these polyesters. The aliphatic polyoxaesters of the present invention have a first divalent repeating unit of formula I:[O--C(O)--C(R.sub.1) (R.sub.2)--O--(R.sub.3)--O--C(R.sub.1)(R.sub.2)--C(O)--] Iand a second repeating unit of the formula:[--O--R.sub.12 --].sub.U, XVIand optionally a third repeating unit with a formula selected from the group consisting of:[--O--R.sub.4 --].sub.A, II[--O--R.sub.5 --C(O)--].sub.B, III([--O--R.sub.5 --C(O)].sub.P,--O--).sub.L G XIand combinations thereof wherein R.sub.12 contains an internal amine or internal amide group.

Abstract: A barrier fabric laminate for use as a cover for a gel filled article is provided. The barrier fabric laminate comprises a fluid impermeable film and a polyurethane nonwoven web which has a friction value of less than 200 g and a fabric hand of less than 200 g. The polyurethane web is formed from fibers of less than about 50 .mu.m diameter on average and is preferably formed with a fluorochemical melt additive by sequentially melt blowing the polyurethane web on a heated collecting drum and laminating in the nip formed by a heated nip roller and the collecting drum.