Abstract: A curable composition apportioned between at least one Part A and at least one Part B, the Parts sealed within barrier means preventing contamination, the at least one Part A comprising: (i) one or more alkenyl-group containing prepolymers having at least one alkenyl group or moiety per molecule, and the at least one Part B comprising: (ii) one or more SiH-containing prepolymers having at least one Si—H unit per molecule; the composition additionally comprising: (iii) a catalyst for curing by addition of alkenyl-containing prepolymer (i) to SiH-containing prepolymer (ii), wherein prepolymer (ii) is substantially absent from Part A and prepolymer (i) is substantially absent from Part B, methods for preparing the composition, methods for sterilisation thereof, medical and non-medical use thereof, a device incorporating the composition, and a precursor therefor including its sterilisable precursor composition, in particular a terminally sterilisable or terminally sterile composition for medical use, particularl

Abstract: A method evaluating a strength of a textile for use in articles of clothing representative of normal wear and tear and comprising testing samples including the textile treated with an application of polyethylene, the untreated textile, and/or the textile being washed and dried one or more times; and/or where the textile has been conditioned. Each sample tested is weighed prior to and after abrasion resistance testing is conducted on each sample. The samples are each abraded with an abrasion resistance testing machine that has been modified with ISO test heads and an abrasive surface having a plurality of abrasion layers thereon. A number of rubs of abrasion between the abrasive surface and the test sample is pre-selected such that the test is run until the selected number of rubs have been completed. A bursting strength test can be further conducted on abraded areas of the testing samples.

Abstract: Provided is a photocatalytic coating in which the coating per se is hardly eroded even when a photocatalyst is excited and a coating surface having strong hydrophobic tendency can be formed. The photocatalytic coating is prepared by dispersing or dissolving at least a photocatalyst, a tetrafluoro-ethylene-based resin obtained by graft polymerization of a sulfonic acid, a compound containing metal ion having an ionic radius not less than an ionic radius of calcium and/or complex ion having an ionic radius not less than the ionic radius of calcium into a solvent. Further, hydroxide is used as the compound containing the metal ion or an electrically neutral surfactant is added to the photocatalytic coating.

Abstract: The present invention relates to fibers exhibiting a water contact angle of above 150° and water contact angle hysteresis of below 15°, methods of producing the same, and applications thereof. The present invention further relates to superhydrophobic fiber mats, methods of producing the same, and applications thereof.

Abstract: A laminate is generally provided having alcohol repellency properties. In one particular embodiment, the laminate includes a meltblown web bonded to a spunbond web (e.g., a SM laminate, a SMS laminate, a SMMS laminate, etc.). A fluorinated polymeric coating is attached to the surface of the spunbond web (e.g., grafted). The fluorinated polymeric coating comprises a perfluoroalkyl(alkyl) (meth)acrylate monomer polymerized on the surface of the spunbond web via exposure to a low frequency energy source. The perfluoroalkyl(alkyl) (meth)acrylate monomer has a perfluoroalkyl side groups comprising —(CF2)z—F, where z is an integer from 1 to 6. The laminate has an alcohol repellency of greater than 80%.

Abstract: The present invention relates to a surface-waterproof sheet for inorganic boards including multi-use non-woven fabrics and a waterproof coating layer, and a method of manufacturing the same. The method includes preparing a multi-use non-woven fabric composed of cellulose fibers, glass fibers and organic fibers; preparing a waterproof coating solution containing a powdery acrylic binder, water, an inorganic filler, a water repellent, a pigment and an antimicrobial agent; and coating the waterproof coating solution on the multi-use non-woven fabric, followed by drying the waterproof coating solution, thereby providing surface-waterproof sheet for inorganic boards for buildings, which has improved adhesion to the inorganic board and economic feasibility.

Abstract: In at least one embodiment of the present invention, a material intended for personal protective equipment is disclosed, wherein the material includes at least four different layers, the layers being: an outer first layer of a material comprising at least one polymer, which material is self-extinguishing; a second layer of a fiber material, which fiber material is self-extinguishing; a third layer being adhesive; and an inner fourth layer being a barrier laminate; wherein all at least four different layers individually are attached to layers located next to them. Furthermore, a protective suit including a material according to the present invention and the use of such a material for the production of personal protective equipment are also described.

Abstract: Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile rubber binder polymer having an acrylonitrile content of from about 15 wt. % to about 50 wt. %, and are optionally coated with a binder that is a blend of a nitrile rubber and a fluorine-containing material.

Abstract: An article includes a membrane having pores and that is air permeable. A nanoparticle precursor is dispersed throughout the pores, and the nanoparticle precursor is responsive to a stimulus to form a catalytically active nanoparticle. An associated method is also provided.

Abstract: A polyolefin tarpaulin composition for photographic printing provides a reinforced structure with united strength in the outside of the tarpaulin, and provides a superior processing property by allowing a photographic print sheet to be easily coupled to the outside of the tarpaulin. The generation of a pollutant that is a problem associated with PVC tarpaulin is prevented, and an eco-friendly material is used which does not harm the human body and which can be recycled after use.

Abstract: The present invention relates to a hydrophobic additive for use with fabric, fiber, and film. One aspect of the present invention comprises a master batch composition for use in preparing a non-woven fabric in order to increase the hydrophobicity of the non-woven fabric. In one embodiment, the master batch composition includes a polymer and a lipid ester. The lipid ester comprises from 10 wt. % to 40 wt. % of the master batch. The fabric, when including the master batch composition, has a contact angle ranging from 100° to 125° when measured according to test method ASTM D2578.

Abstract: Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile rubber binder polymer having an acrylonitrile content of from about 15 wt. % to about 50 wt. %, and are optionally coated with a binder that is a blend of a nitrile rubber and a fluorine-containing material.

Abstract: Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile rubber binder polymer having an acrylonitrile content of from about 15 wt. % to about 50 wt. %, and are optionally coated with a binder that is a blend of a nitrile rubber and a fluorine-containing material.

Abstract: The present invention relates to methods and compositions for treating fabrics to facilitate moisture transfer from one side of the fabric to the other, and fabrics made according to such methods. The fabrics generally have one side or surface of the fabric treated with a net hydrophobic composition, whereas the opposing surface of the fabric is not treated with the net hydrophobic composition.

Abstract: The invention relates to a new plasterboard having a facer comprising two plies, and uses of such plasterboards in EIS or EFS.

Abstract: This invention relates to the production of durably liquidproof laminates and articles made therefrom, the laminates incorporating a barrier layer and a textile made from a composite yarn containing a core including fiberglass as a strength component and a sheath of a different material around the core. Shelters and other protective articles incorporating this laminate are also described.

Abstract: Disclosed is a versatile method to produce superhydrophobic surfaces by combining electrospinning and initiated chemical vapor deposition (iCVD). A wide variety of surfaces, including electrospun polyester fibers, may be coated by the inventive method. In one embodiment, poly(caprolactone) (PCL) was electrospun and then coated by iCVD with a thin layer of hydrophobic polymerized perfluoroalkyl ethyl methacrylate (PPFEMA). In certain embodiments said coated surfaces exhibit water contact angles of above 150 degrees, oleophobicities of at least Grade-8 and sliding angles of less than 12 degrees (for a water droplet of about 20 mg).

Abstract: Carpet protectants comprising an aqueous dispersion comprising A. a partially fluorinated urethane polymer having at least one urea linkage, which compound is the product of the reaction of: (1) at least one organic polyisocyanate containing at least three isocyanate groups; (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms, each of which is attached to at least two fluorine atoms; and (3) water in an amount sufficient to react with from about 5% to about 60% of the isocyanate groups in said polyisocyanate; B. a non-fluorinated cationic surfactant; and C. a non-fluorinated nonionic surfactant are disclosed.

Abstract: Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants from fluids are disclosed. In another form the method involves removal of electric charges or neutralization of charge on or within substrates. Also disclosed are methods of making using electret substrates and articles for removing particulates and mists from fluid streams.

Abstract: A method of making fabrics having first and second surfaces that exhibit different performance characteristics by virtue of having been treated with different chemical treatments is described. In addition, fabrics having first and second surfaces that exhibit different performance characteristics, such as one surface exhibiting oil and water repellency and optionally, soil release characteristics, and the opposite surface exhibits moisture transport characteristics.

Abstract: Disclosed are coated cloths and methods for manufacturing the same. The coated cloth can be used to manufacture medical gowns or drapes to prevent cross-infection between the patient and other people in an operation room.

Abstract: A method and apparatus for manufacturing an air controllably permeable, water repellent, acoustic absorbing door water shield for attachment to a vehicle door. The water shield is formed of a first layer constructed of a water repellant, air restrictive non woven scrim which is joined to a second layer formed of a lofted, non-woven fiber pad. The first layer has an air permeability greater than zero. Varying the characteristics of the first and second layers optimizes the acoustic absorption range of the door water shield.

Abstract: A water- and oil-repellent, antistatic composition comprises (a) at least one nonpolymeric ionic salt consisting of (i) at least one cation selected from the group consisting of monovalent metal cations, divalent metal cations, and organic onium cations, and (ii) at least one weakly coordinating anion, the conjugate acid of the anion having an acidity greater than or equal to that of a hydrocarbon sulfonic acid, and with the proviso that the anion is organic or fluoroorganic when the cation is a metal; (b) at least one fluorochemical repellency-imparting additive or repellent; and (c) at least one insulating material. The composition exhibits good antistatic and repellency characteristics.

Abstract: A fiber sheet composed of knitted, woven, or non-woven fiber, which is resistant against contamination, and such contamination is easily washed off, and is durable, and suitable for use as materials to make curtains, tapestries, screens, flags, wallpaper, and sliding screen door (fusuma), for both indoor and outdoor environments. The fiber sheet is coated on its both sides of the fiber by ceramics composed of oxidized, nitrogenous, or carbonized forms of metals such as tin, titanium, aluminum, and other metals, forming a thin contamination resistant coating. Typically, the contamination resistant coating comprises SiO2 or SnO2 or a combination/mixture of the two substances, and such coating is hard and is superior in protection against contamination.

Abstract: An electret article that includes a polymeric material that has electric charge imparted thereto, that has one or more heteroatoms, that has a fluorosaturation ratio of less than 200, and that has an atomic percent fluorine of greater than about 40%. The inventive electret article is resistant to charge degradation upon exposure to high temperatures for prolonged time periods.

Abstract: An electret article that includes a polymeric material that has electric charge imparted thereto, that has a CF3:CF2 ratio of at least 0.15 and that has a fluorosaturation ratio greater than about 200. The electret article may be in the form of a porous web of polymeric fibers suitable for use as a filter. The inventive electret article is resistant to charge degradation upon exposure to high temperatures for prolonged time periods.

Abstract: An industrial textile including a polymeric substrate and a resin system grafted onto the polymeric substrate by way of a primer. The resin system includes a water-borne thermoplastic, a polyhydroxyether resin and/or an analogue of a polyhydroxyether resin, and at least one co-resin.

Abstract: A textile coated with a coating having multiphase fluorochemical and a cationic material. A printed image is subsequently placed on the coated textile.

Abstract: A textile coated with a coating having cationic and repellant properties, thereby accepting an image thereon more readily.

Abstract: A textile coated with a coating having a multiphase fluorochemical, a cationic material, and a sorbant polymer. A printed image is subsequently placed on the coated textile.

Abstract: A fabric having a unique combination of stain resistance, fluid barrier properties, aesthetic characteristics and drape ability is described, and a method of making such fabrics. The fabric includes a fabric substrate that has been treated with a low surface energy stain resist compound on at least one of its surfaces, and one or more layers secured to the other of its surfaces, with the layers providing the fabric with the unique combination of characteristics. In addition, the fabric is desirably provided with flame resisting and ultraviolet resisting characteristics, to enable it to be used as a seating material for transportation vehicles. Methods for making the fabric are also described.

Abstract: A process for imparting durable water and oil repellency and durable soil release characteristics comprises the application of an aqueous mixture having a water repellent component such as a fluorocarbon polymer and a separate hydrophilic soil release polymer to a textile substrate, followed by a drying step. Optionally, a curing or thermosetting step may also be employed, if desired. This process is carried out in a preferred embodiment in a generally mild pH, which allows the process to be performed on a wide variety of textile substrates that may not be capable of withstanding more extreme pH values. Polyamides, aramids, polyesters, and poly/cotton substrates, when treated according to the present process, have all yielded improved performance with respect to durable water and oil repellency and durable soil release characteristics. A novel mixture or bath and novel treated substrates are also disclosed.

Abstract: A fire blocking material is disclosed comprising a nonwoven fabric including para-aramid fibers and pre-oxidized polyacrylonitrile, and optionally, a garnett of recycled polybenzimidazole, para-aramid or meta-aramid, or combinations thereof to form a fire blocking textile meeting Federal Aviation Administration regulation FAR 25.853 and Appendix F to Part 25.

Abstract: The present invention provides a highly durable, moisture-permeable, waterproof material that is high in moisture-permeability and waterproofness and able to achieve good adhesion with such a coat layer as moisture-permeable, water-resistant layer and with such a fibrous structural material as fabric, and a method for the production thereof. The moisture-permeable, waterproof material of the invention comprises a moisture-permeable, water-resistant layer, a fibrous structural material, and a water-swellable adhesive layer interposed between the former two to adhere them together, wherein the surfaces of the single fibers comprising said fibrous structural material are coated with a pre-treating agent containing a polyhydric compound as main component, said fibrous structural material and said water-swellable adhesive layer being adhered via the pre-treating agent.

Abstract: An article having (a) a layer of fabric having a first surface and a second surface made of polytetrafluoroethylene fibers; and (b) a first composite comprising (i) a porous PTFE film having interconnected passages and pathways and (ii) a fluoropolymer adhesive, wherein said fluoropolymer adhesive is at least partially contained in said passages and pathways of said PTFE film, said first composite disposed adjacent to said first surface of said fabric,wherein the article passes a Newark Flex test after 10,000 cycles. In another embodiment, the invention includes a second composite comprising (i) a porous PTFE film having interconnected passages and pathways and (ii) a fluoropolymer adhesive, wherein said fluoropolymer adhesive is at least partially contained in said passages and pathways of said PTFE film, said second composite disposed adjacent to said second surface of said fabric. The article of the present invention is preferably waterproof, fire retardant, and flexible.

Abstract: The compositions comprise one or more fluorochemical urethane compounds and one or more silsesquioxane compounds. This fluorochemical urethane compound(s) comprises the reaction product of (a) one or more polyfunctional isocyanate compounds; (b) one or more fluorochemical monofunctional compounds; and optionally (c) one or more hydrophilic polyoxyalkylene compounds; and/or (d) one or more silane compounds.

Abstract: Textile fabric composed of synthetic fibers is subjected to a gas phase fluorination in a fluorine/inert gas atmosphere having a fluorine concentration in the range from 0.1 to 10% in order that the synthetic fiber surfaces may be activated in such a way that they are able to react with organic or inorganic compounds. Thereafter, the fabric is coated with a fluorocopolymer which is free of adhesion promoters. Similarly, yarn composed of synthetic fibers is first gas phase fluorinated and thereafter coated with a fluorocopolymer. Sewing yarn or thread, having been gas phase fluorinated, is bonded by means of a fluoropolymer coating. The improved adhesion makes the coated materials useful for a wide range of industrial applications. Textile fabric composed of synthetic fibers is subjected to a gas phase fluorination in a fluorine/inert gas atmosphere having a fluorine concentration in the range from 0.

Abstract: A textile coated with a coating having a multiphase fluorochemical, an organic cationic material, and a sorbant polymer. A printed image is subsequently placed on the coated textile.

Abstract: A fabric having a unique combination of stain resistance, fluid barrier properties, aesthetic characteristics and drape ability is described, and a method of making such fabrics. The fabric includes a fabric substrate that has been treated with a low surface energy stain resist compound on at least one of its surfaces, and one or more layers secured to the other of its surfaces, with the layers providing the fabric with the unique combination of characteristics. In addition, the fabric is desirably provided with flame resisting and ultraviolet resisting characteristics, to enable it to be used as a seating material for transportation vehicles. Methods for making the fabric are also described.

Abstract: The invention discloses a textile laminate (1, 400, 450) with a first layer (5) comprising a waterproof and preferably breathable functional layer (10, 20) and a second layer (30) comprising at least a first component and a second component. The first component is stable to a first temperature and the second component melts at a lower second temperature. In one embodiment of the invention, the first component is polyester and the second component may be a thermoplastic such as copolyester, polyamide, copolyamide or polyethylene. The textile laminate (1) is particularly advantageous when two of such laminates (1, 400, 450) have to be joined or fused together. In this case a waterproof seam is created at the seam (500) between the two laminates (1, 400, 500).

Abstract: A composite structure (12) that includes a first layer that includes a membrane (16) having a first melting point and a plurality of structural elements and a second layer that includes a thermoplastic material (32) having a second melting point that is lower than the first melting point, wherein at least a portion of the thermoplastic material (34) is at least one partially melted to flow around at least one structural element of the plurality of structural elements of the membrane (16) prior to resolidification to attach the first layer (16) to the second layer (32). The membrane (16) can be oleophobic or oleophilic and preferably includes expanded polytetrafluoroethylene. The thermoplastic material (32) can be of virtually any type and can be either hydrophobic or hydrophilic.

Abstract: An article having (a) a layer of fabric having a first surface and a second surface made of polytetrafluoroethylene fibers; and (b) a first composite comprising (i) a porous PTFE film having interconnected passages and pathways and (ii) a fluoropolymer adhesive, wherein said fluoropolymer adhesive is at least partially contained in said passages and pathways of said PTFE film, said first composite disposed adjacent to said first surface of said fabric,wherein the article passes a Newark Flex test after 10,000 cycles. In another embodiment, the invention includes a second composite comprising (i) a porous PTFE film having interconnected passages and pathways and (ii) a fluoropolymer adhesive, wherein said fluoropolymer adhesive is at least partially contained in said passages and pathways of said PTFE film, said second composite disposed adjacent to said second surface of said fabric. The article of the present invention is preferably waterproof, fire retardant, and flexible.

Abstract: An improved fabric for use in applications such as furniture upholstery is provided which possesses desirable flexibility, cleanability, and fluid resistant properties. The fabric includes a textile substrate treated with a fluorochemical stain resist agent. The treated textile substrate is covered substantially on the back with a layer of extrusion coated thermoplastic polymer which is pressed at least partially into the fabric substrate. A process for forming the fluid shield fabric according to the present invention is also provided. Preferably, the fabric is comprised of solution dyed nylon and the polymeric material is ethylene methyl acrylate polymer.

Abstract: A nonwoven fabric laminate embodying the principles of the present invention is configured as a multi-layer construct of a plurality of melt-extrusion layers, including at least one, and preferably a pair of outer spunbond layers, and a central, melt-blown barrier layer juxtaposed to the outer spunbond layers. At least one fo the layers, preferably the melt-blown layer, comprises a barrier-enhancing melt additive compound having a fluoroalcohol with a non-derivatized additive such as a fatty acid, more preferably a derivatized perfluoroalcohol with a non-derivatized additive, with a stearic ester of perfluoroalcohol in a hydrogenated tallow amide additive being presently preferred.

Abstract: An abrasion resistant and water resistant fabric is disclosed. The fabric is particularly well suited for use in constructing luggage. The fabric, however, is also well suited for many other applications, such as use in constructing sportswear, outdoor apparel, military apparel, and the like. The fabric is treated with a chemical composition. It has been discovered that the chemical composition greatly enhances the abrasion resistance of the fabric. In one embodiment, the fabric is made from nylon multifilament yarns.

Abstract: An electret is described that includes a surface modified polymeric article having surface fluorination produced by fluorinating the polymeric article.

Abstract: A fluorochemical composition is described comprising a polymer derived from a fluorochemical urethane (meth)acrylate monomer. The fluorochemical composition is useful for imparting stain release properties to a substrate.

Abstract: A sensor comprises a substrate and a polymeric film disposed on the substrate. The polymeric film comprises at least one hardblock component and at least one softblock component. The invention also sets forth a method for enhancing detection of a target compound by a sensor. The method comprises disposing a polymeric film on a surface of the sensor, in which the polymeric film enhances detection of target compounds not normally sensed by a sensor without the polymeric film. The polymeric film comprises at least one hardblock component and at least one softblock component.

Abstract: An expansion joint patch apparatus for repairing failed or torn expansion joint belting having a substantially flat, woven substrate material, and a cured solution of suspended elastomer, coating the substrate material. The substrate material is selected from the group consisting of aramid, fiberglass, corrosion resistant alloy wire, polyester, ceramic and kevlar fabrics. The elastomer material is selected from the group consisting of chloroprene, chlorosulfonated polyethylene, ethylene propylene, chloronated isobutylene isoprene, fluoroelastomers and silicone rubbers. The invention further includes a method for forming a fluoroelastomer patch for repairing fabric expansion joints.

Abstract: A single membrane insulation material including a nonwoven insulation mat, a fluoropolymer dispersion surface coated to one side of the mat and a fluoropolymer film component laminated to the thus coated side of the mat under conditions of elevated temperature and pressure. The coating has a depth of penetration which is less than the total thickness of said mat.