Coated Or Impregnated Polyamide Fiber Fabric Patents (Class 442/168)
-
Patent number: 6194050Abstract: A composite of thermally non-adherent fluoropolymeric and non-fluoropolymeric components is created through the agency of a non-woven, fibrous binder interposed between and portionally embedded into both components. The fibers of the non-woven binder have a substantial portion of their length extending into both components and cross the interface at an angle that is substantially normal to the plane of embedment. The composite possesses good peel-adhesion behavior between the otherwise thermally non-adherent components.Type: GrantFiled: June 28, 1999Date of Patent: February 27, 2001Assignee: Chemfab CorporationInventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
-
Patent number: 6194517Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.Type: GrantFiled: October 5, 1999Date of Patent: February 27, 2001Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
-
Patent number: 6177365Abstract: This invention relates to novel airbag coating compositions comprising at least two separate and distinct layers. The first layer (base coat), being in contact with the airbag surface, comprises a non-silicone composition of at least one coating material, provides excellent adhesion, excellent tensile strength, and lower cost than standard silicone materials. The second layer, being a coating for the first layer, provides excellent reinforcement and aging characteristics to prevent degradation of the first layer. Such a second layer (topcoat) is preferably a silicone material. This two-layer system permits excellent strength and aging properties to prevent seam combing at relatively low cost due to the inexpensive basecoat materials and the relatively low amount required for the topcoat. An airbag fabric coated with this inventive two-layer system is also contemplated within this invention.Type: GrantFiled: June 17, 1999Date of Patent: January 23, 2001Assignee: Milliken & CompanyInventor: Shulong Li
-
Patent number: 6177366Abstract: This invention relates to novel airbag coating compositions comprising at least two separate and distinct layers. The first layer (base coat), being in contact with the airbag surface. comprises a composition of at least one coating material which may comprise up to 30% by parts of the total amount of material in the first layer of a silicone resin which provides excellent adhesion, excellent tensile strength, and overall lower cost than standard silicone airbag coating materials. The second layer, being a coating for the first layer, provides excellent reinforcement and aging characteristics to prevent degradation of the first layer. Such a second layer (topcoat) is preferably a silicone material. This two-layer system permits excellent strength and aging properties to prevent seam combing at relatively low cost due to the inexpensive basecoat materials and the relatively low amount required for the topcoat.Type: GrantFiled: July 9, 1999Date of Patent: January 23, 2001Assignee: Milliken & CompanyInventor: Shulong Li
-
Patent number: 6133172Abstract: The present invention provides a molding media and method of producing resin stabilized polymeric fiber mats useful as thermal and acoustical insulation. The molding media and method of the invention lower the cost of producing such mats while still maintaining the necessary mechanical and acoustical properties. One embodiment of the molding media and method of the invention further provides environmental advantages over glass fiber and foam mats.Type: GrantFiled: December 31, 1997Date of Patent: October 17, 2000Assignee: Owens Corning Fiberglas Technology, Inc.Inventors: Scott W. Sevenish, Kimberley A. Householder, Stanley J. Rusek, Jerry L. Maines
-
Patent number: 6133167Abstract: A method of producing a curable prepreg which comprises (i) sandwiching a multi-ply fabric layer comprising at least two superposed sheets of woven reinforcing fabric between solid films of a curable resin composition and (ii) heating the resulting sandwich under pressure so that the resin composition impregnates the sheets of woven reinforcing fabric to form a coherent curable structure.Type: GrantFiled: July 26, 1993Date of Patent: October 17, 2000Assignee: Ciba Specialty Chemicals Corp.Inventors: George Edward Green, John Cook
-
Patent number: 6123990Abstract: A process for providing a substrate with anti-static and lubricating properties by contacting the substrate with a water-soluble or water-dispersible polymer composition having hydrophobic and hydrophilic properties.Type: GrantFiled: May 26, 1998Date of Patent: September 26, 2000Assignee: Henkel CorporationInventors: Michael S. Wiggins, Michael J. Incorvia, Stephen A. Fischer
-
Patent number: 6117489Abstract: A microporous sheet suitably used as a substrate for artificial leather for its good balance in properties such as softness, abrasion resistance and the like, obtained by impregnating a non-woven fabric with an elastic polymer and then coagulating the impregnated polymer, said non-woven fabric being a blend of (a) an aromatic polyester fiber (fiber A) and (b) a polyolefin or aliphatic polyamide fiber (fiber B), which sheet is scattered with portions where the fiber A is surrounded by the elastic polymer in a bonded state and portions where the fiber B is surrounded by the elastic polymer in a not-bonded state.Type: GrantFiled: September 4, 1996Date of Patent: September 12, 2000Assignee: Teijin LimitedInventors: Nobuo Ohkawa, Yoshiyuki Suzuki, Kunihiko Sasaki
-
Patent number: 6071578Abstract: The present invention relates to a tubular fabric for receiving an underwire in a garment such as a bra. The tubular fabric is formed by arranging a fusible yarn, such as Grilon (Registered Trade Mark), on the interior surface of the tube and melting said yarn to coat the interior surface.On cooling the melted yarn sets to form a durable lining which exhibits excellent resistance to penetration by underwires.The invention also relates to garments, such as bras, basques and swimming costumes, incorporating the tubular fabric of the invention.Type: GrantFiled: April 17, 1997Date of Patent: June 6, 2000Assignee: Price Shepshed LimitedInventors: Roy Richardson, Robert Arthur Glenn
-
Patent number: 6054399Abstract: A textile material whose fibers have been coated, at least in part, with fluorocarbon particles is usable in an electrophotographic printing machine to clean toner particles off a fuser roll, and to supply a toner release agent to the fuser roll. The textile material can include woven goods, as well as non-woven felts and the like. The resultant product has reduced friction and decreased fiber shedding.Type: GrantFiled: January 27, 1998Date of Patent: April 25, 2000Assignee: BMP America, Inc.Inventors: Alan R. Lebold, Alan Smithies, Edward D. Andrew
-
Patent number: 6046120Abstract: An improved textile material having a hydrophilic finish which is made by a method comprising applying to a fibrous web an aqueous solution comprising an anhydride based graft copolymer, and drying the fibrous web at a temperature sufficient to cure the anhydride based graft copolymer in the fibrous web. The anhydride based graft copolymer is the reaction product of an ethylenically unsaturated monomer, an anhydride monomer selected from maleic anhydride and itaconic anhydride, either a monofunctional polyglycol having a hydroxyl or amine terminal group or a polyfunctional polyglycol having a weight average molecular weight of greater than 5,000 and at least one terminal hydroxyl group, and a free radical initiator. The hydrophilic finish eliminates the shortcomings inherent in certain textile materials such as their high affinity for oils, staining during washing, static cling problems, and wearer discomfort.Type: GrantFiled: March 24, 1998Date of Patent: April 4, 2000Assignee: National Starch and Chemical Investment Holding CorporationInventor: Klein A. Rodrigues
-
Patent number: 6040252Abstract: A laminate base material of aromatic polyamide fiber non-woven fabric which comprises a combined non-woven fabric of para-aramid fibers and meta-aramid fibers bonded with each other by a resin binder such as an epoxy resin binder and meta-aramid fibers being thermally adhered to each other and meta-aramid fibers being thermally adhered to para-aramid fibers while they are passing through a pair of thermal rolls and heated and pressed by them and the meta-aramid fibers being included preferably by 5 through 30 weight %.Type: GrantFiled: April 21, 1999Date of Patent: March 21, 2000Assignees: Shin-Kobe Electric Machinery Co., Teijin Limited, Oji Paper Co., Ltd.Inventors: Minoru Ootuka, Hirokazu Hiraoka, Toru Shimadu, Masayuki Noda
-
Patent number: 6027794Abstract: Prepregs, comprising the following components [A], [B] and [C], with the component [C] distributed near either or both of the surface layers without being regularly arranged.[A]: Long reinforcing fibers[B]: A matrix resin[C]: Long thermoplastic resin fibersThe prepregs of the present invention are tacky and drapable, and the composite materials obtained by heating and forming the prepregs are high in heat resistance, and very high in impact resistance and inter-layer toughness. Furthermore, the prepregs are easy to produce and high in their latitude in availability of materials.Type: GrantFiled: August 8, 1997Date of Patent: February 22, 2000Assignee: Toray Industries, Inc.Inventors: Atsushi Ozaki, Hajime Kishi, Nobuyuki Odagiri, Hiroki Oosedo, Hiroaki Hinomiya
-
Patent number: 5997586Abstract: A bag for the cleaning and containment of soiled fabric articles is provided which comprises a fastening system that, when fastened provides a vapor impermeable container and an interior surface releasably impregnated with an effective amount of a gelled liquid dry-cleaning composition.Type: GrantFiled: January 13, 1998Date of Patent: December 7, 1999Inventors: James A. Smith, George W. Kellett
-
Patent number: 5994242Abstract: A coated woven material comprising a layer of a woven scrim formed from a thermoplastic polymer in the form of at least one of fibres, filaments and tapes; and a coating on at least one side of said layer of an elastomeric polymer of ethylene and at least one hydrocarbon alpha-olefin comonomer of at least 4 carbon atoms. The elastomeric polymer has a glass transition temperature (T.sub.g) of less than -20.degree. C. and a brittleness temperature of less than -80.degree. C. The material is particularly useful as a transportation cover.Type: GrantFiled: October 14, 1997Date of Patent: November 30, 1999Assignee: Intertape Polymer GroupInventor: Trevor Curtis Arthurs
-
Patent number: 5985773Abstract: A fabric for tents consisting a gray woven from nylon or polyester filaments and a layer of coating composition including polyurethane, a pigment, an ultraviolet inhibitor, aluminum powders, ceramic powders, a fire retardant agent and a solvent can be protected from a yellowing appearance caused by ultraviolet rays and has a preferable color. The lifetime of the fabric can be extended. And the comparative low cost and short time are necessary for the process for preparing the fabric.Type: GrantFiled: January 6, 1998Date of Patent: November 16, 1999Inventor: Youn Jae Lee
-
Patent number: 5986004Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.Type: GrantFiled: March 17, 1997Date of Patent: November 16, 1999Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
-
Patent number: 5972805Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.Type: GrantFiled: April 7, 1998Date of Patent: October 26, 1999Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
-
Patent number: 5972039Abstract: A method for enhancing the absorbency, hand-feel, or both of an article made from fibers having a spin finish thereon, where the spin finish decreases the hand-feel desirability and decreases the absorbency of the article. The method involves subjecting the article to corona treatment for a period of time sufficient to enhance the absorbency, hand-feel, or both of the article. The article produced by subjecting a substrate made of fibers having a finish thereon to corona treatment for a period of time sufficient to enhance the absorbency, hand-feel, or both of the substrate. A method of disposing of such articles by contacting the articles with a hot liquid, such as water, for a period of time sufficient to disperse or dissolve the article. Hot water soluble, cold water insoluble poly(vinyl) alcohol is one suitable fiber material.Type: GrantFiled: April 7, 1997Date of Patent: October 26, 1999Assignee: Isolsyer Company, Inc.Inventors: Travis W. Honeycutt, Baosheng Lee, Dong Dai, Nigel J. Flynn
-
Patent number: 5968204Abstract: Sheets capable of developing a positive electostatic charge are used for a variety of surface cleaning operations. Polyester fabric, non-woven and chemically bonded with an acrylic latex is used to dust surfaces, to clean clothes, furniture and carpets. A light solvent such as isopropanol can be used with the sheets to loosen gummy soils. In one mode, the sheets are used in a hot air clothes dryer to remove soils and detritus from garments. Processes for cleaning a variety of fabric and hard surfaces are conducted using the sheets.Type: GrantFiled: August 7, 1998Date of Patent: October 19, 1999Assignee: The Procter & Gamble CompanyInventor: Rodney Mahlon Wise
-
Patent number: 5945186Abstract: A coated base fabric for use in an automotive airbag is provided. The coated base fabric includes a substrate of woven nylon or polyester which is overcoated with a porosity blocking layer of a cross-linked elastomeric resin. Such a resin may be, without limitation, selected from the group consisting essentially of polyamide, butyl rubber, EPDM, polyurethane, hydrogenated NBR, acrylic rubbers, and mixtures thereof. The porosity blocking layer of polyamide material is present at a coating weight of between about 0.1 and 0.5 ounces per square yard. Furthermore, the resin may be present as either a latex or in solution with an organic solvent or solvents. A method for producing the coated fabric of the present invention is also provided.Type: GrantFiled: July 10, 1998Date of Patent: August 31, 1999Assignee: Milliken Research CorporationInventors: Shulong Li, Robert C. Arnott
-
Patent number: 5938007Abstract: A conveying belt has a core and a canvas layer attached to the core. The canvas layer has a first surface facing the core and a second surface facing oppositely to the first surface. The canvas layer has a thickness between the first and second surfaces. The canvas layer is treated with fluororesin so that the second surface is impregnated with fluororesin and only part of the thickness between the first and second surfaces is impregnated with fluororesin.Type: GrantFiled: October 20, 1997Date of Patent: August 17, 1999Assignee: Mitsuboshi Belting Ltd.Inventors: Kazutoshi Fujihiro, Yoshinori Furukawa, Hiroyuki Ito
-
Patent number: 5922625Abstract: An ink jet printing method for effecting printing on a print medium such as a sheet of cloth by applying a jet of an ink to the print medium. The print medium is formed by preparing a sheet of cloth containing a cationic substance, preparing a backing sheet having a layer of an adhesive agent, and bonding the sheet of cloth to the adhesive surface of the backing sheet. After the jet of ink is applied to the print medium, the sheet of cloth is peeled off from the backing sheet and the freed sheet of cloth is rinsed with rinsing water containing a cation blocking agent, followed by drying.Type: GrantFiled: December 19, 1995Date of Patent: July 13, 1999Assignee: Canon Kabushiki KaishaInventors: Masahiro Haruta, Shoji Koike, Koromo Shirota, Aya Takaide, Tomoya Yamamoto, Mariko Suzuki
-
Patent number: 5916659Abstract: A composite of thermally non-adherent fluoropolymeric and non-fluoropolymeric components is created through the agency of a non-woven, fibrous binder interposed between and portionally embedded into both components. The fibers of the non-woven binder have a substantial portion of their length extending into both components and cross the interface at an angle that is substantially normal to the plane of embedment. The composite possesses good peel strengths of greater than 5 pounds/linear inch between the otherwise thermally non-adherent components.Type: GrantFiled: January 14, 1996Date of Patent: June 29, 1999Assignee: Chemfab CorporationInventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
-
Patent number: 5908792Abstract: The invention relates to the field of composite brake disks formed from fibrous structures. A brake disk according to the invention comprises an annular fibrous structure having two opposing generally planar faces and a binding matrix permeating the annular fibrous structure. Two outer portions are adjacent the planar faces, and an inner portion is disposed between the two outer portions. The two outer portions have lesser tensile strength parallel to the planar faces and greater resistance to wear than the inner portion.Type: GrantFiled: October 4, 1995Date of Patent: June 1, 1999Assignee: The B. F. Goodrich CompanyInventors: Philip William Sheehan, Ronnie Sze-Heng Liew
-
Patent number: 5897929Abstract: A coated base fabric for use in an automotive airbag is provided. The coated base fabric includes a substrate of woven nylon or polyester which is overcoated with a porosity blocking layer of polyamide material. The porosity blocking layer of polyamide material is present at a level of about 0.6 ounces per square yard or less. A method for producing the coated fabric of the present invention is also provided.Type: GrantFiled: December 1, 1997Date of Patent: April 27, 1999Assignee: Milliken & CompanyInventors: Shu Long Li, Robert C. Arnott, Ramesh Keshavaraj
-
Patent number: 5883020Abstract: A thermal and acoustical insulation product prepared from a mixture of fiberglass, scrap nylon of less than 0.25" in length and a thermo-setting resin. The insulation product is in a ductliner or molded form. The fiberglass will generally be in a concentration of from 20 to 80 percent by weight of the product; the nylon will be from 1 to 30 percent by weight of the product; and the thermo-setting resin will be from 5 to 35 percent by weight of the product.Type: GrantFiled: July 3, 1996Date of Patent: March 16, 1999Assignee: C.T.A. AcousticsInventors: Matthew Bargo, Edward Koperdak
-
Patent number: 5863625Abstract: A silicone rubber composition that is capable of adhering to the surface of various kinds of substrates, in particular woven fabrics or the like in the absence of an adhesion promoter or coupling agent. The composition of the present invention includes a catalyst system which enhances the cure rate of the silicone compound. Strong adhesion of the silicone rubber coating composition to the substrate is achieved at high coating speeds using a mixture of an organopolysiloxane, an organohydrogenpolysiloxane resin and a catalyst system. The catalyst system is made up of either an unaccompanied platinum catalyst or a dual system utilizing a platinum catalyst and a peroxide curing agent. The silicone rubber composition is particularly suitable as a coating for airbag fabrics.Type: GrantFiled: December 19, 1997Date of Patent: January 26, 1999Assignee: Highland Industries, Inc.Inventor: Joseph J. Chiou
-
Patent number: 5853867Abstract: This invention concerns an absorbent composite a supporting member and a cationic absorbent polymer and anionic absorbent polymer particles fixed to the supporting member. This absorbent composite excels in absorbing capacity under pressure, vertical aspiration power, and flexibility and suffers only sparing exfoliation of an absorbent polymer. This invention further concerns an absorbent composite which contains an absorbent polymer in an amount of at least 30% by weight based on the total weight of the absorbent composite and, after absorbing a liquid, shows a value of not less than 3 for the expansion anisotropy specified by the following formula.Expansion anisotropy=(Ez/Ex+Ez/Ey)/2(wherein Ex, Ey, and Ez respectively represent coefficient of liner expansion in the directions of X axis, Y axis, and Z axis) and an absorbent article using the absorbent composite.Type: GrantFiled: September 13, 1996Date of Patent: December 29, 1998Assignee: Nippon Shokubai Co., Ltd.Inventors: Nobuyuki Harada, Yoshihiro Motono, Shigeru Sakamoto, Toshimasa Kitayama
-
Patent number: 5851646Abstract: The present invention provides a lightweight prepreg having uniform formation, low linear thermal expansion coefficient and good mechanical strength, comprising a porous para-oriented aromatic polyamide film and a thermoplastic resin and/or a thermosetting resin, the porous para-oriented aromatic polyamide film being impregnated with the thermoplastic resin and/or the thermosetting resin, a process for producing the same, and a printed circuit substrate/board using the same.Type: GrantFiled: October 15, 1996Date of Patent: December 22, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Tsutomu Takahashi, Yoshifumi Tsujimoto, Hiroaki Kumada, Hiroyuki Sato
-
Patent number: 5834088Abstract: A polyamide fibrous substrate having deposited on it an amount of a composition effective to impart stain-resistance comprising a water-soluble or water-dispersible alpha-olefin/maleic anhydride polymer or a mixture of said polymers, and processes for preparing the substrates. The maleic anhydride polymer is used either in hydrolyzed form or in the form resulting from reacting it with a lower alkyl alcohol so as to form an alpha-olefin/maleic acid monalkyl ester polymer.Type: GrantFiled: September 16, 1997Date of Patent: November 10, 1998Assignee: E. I. du Pont de Nemours and CompanyInventor: Engelbert Pechhold
-
Patent number: 5821177Abstract: A mixture of at least one acid and at least one metal compound enhance the stain resistance or acid dye fixation and resistance to cold water bleeding of fibrous polyamide and wool substrates, for example, carpets, treated with a water-soluble sulfonated aromatic-aldehyde condensation resin, for example, sulfonated resole and sulfonated novolak type resins; at the same time an improvement in light fastness or non-yellowing is obtained and the durability or wash fastness of the stain resistance is improved; the condensation resin is optionally employed in conjunction with a polymeric methacrylic acid. The acid of the mixture is one or more of phosphoric acid, polyphosphoric acid, citric acid and sulfuric acid; the metal compound is, in particular, a salt of magnesium or copper.Type: GrantFiled: December 16, 1996Date of Patent: October 13, 1998Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
-
Patent number: 5804277Abstract: A fiber reinforced composite structure and method for fabricating the composite, are described wherein four sets of mechanically flexible fibers are interwoven in a three-dimensional woven structure wherein each fiber is woven through the structure generally along one of the four directions defined generally parallel to a body diagonal of a cube, and wherein the woven structure is impregnated with polymeric, metallic or ceramic matrix material to form a composite material which is braced against deformation by shear applied in any orientation.Type: GrantFiled: July 1, 1996Date of Patent: September 8, 1998Assignee: The United States of America as represented by the Secretary of the Air ForceInventor: Kenneth H. G. Ashbee
-
Patent number: 5786280Abstract: Carpet material with at least a proportion of uncleaned used carpets is shredded to form a fiber-like wooly mass. The carpet material contains a thermoplastic binder with a low melting point, for example polypropylene, which can be derived from the used carpets or be added. Furthermore, a duroplastically hardening binder, for example phenolic resin, is added to the carpet material. The carpet material is compressed to form the molded part or panel with these two binders, at a temperature which lies above the plasticizing point of the thermoplastic binder, but below the plasticizing point of any other thermoplastic components of the carpet material.Type: GrantFiled: June 23, 1994Date of Patent: July 28, 1998Assignee: Eduard Kusters Maschinenfabrik GmbH & Co. KGInventors: Bernhard Funger, Heinz Gruber
-
Patent number: 5756407Abstract: A treated fibrous polyamide substrate having durable resistance to staining by acid colorants comprising a fibrous polyamide substrate having applied thereto an aqueous solution of a sulfonated, phosphated resol resin; which aqueous solution may include a methacrylic polymer or copolymer and a fluorochemical; and the method of treating said substrate with the solution to render it durable to staining by acid colorants.Type: GrantFiled: October 9, 1996Date of Patent: May 26, 1998Assignee: Trichromatic Carpet Inc.Inventors: Yassin M. Elgarhy, Barry R. Knowlton
-
Patent number: 5750445Abstract: The present invention comprises a process for providing soil resistance and resistance to staining by acid dyes to fibers and textiles by simultaneous or sequential application of a sulfonated phenol-formaldehyde condensation product and partial fluoroesters or fluorothioesters formed from copolymers of maleic anhydride and perfluoroalkyl alcohols or perfluoroalkyl thiols.Type: GrantFiled: May 9, 1997Date of Patent: May 12, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: Engelbert Pechhold, Peter Michael Murphy
-
Patent number: 5747392Abstract: Water repellant, stain resistant, weatherable, and transfer printable coated fabrics are provided by coating synthetic woven textile fabric with an IPN (interpenetrating polymer network)--containing aqueous coating which is composed of both acrylic and polyurethane lattices also including a crosslinker. Upon elevated temperature cure, the coating forms an interpenetrating polymer network and provides a non-leather like fabric with the hand and feel of high quality woven fabric with the ability to transmit water vapor while being virtually totally water repellant.Type: GrantFiled: November 19, 1996Date of Patent: May 5, 1998Assignee: Hi-Tex, Inc.Inventors: Han Xiong Xiao, Peng Geng, Kurt C. Frisch
-
Patent number: 5736468Abstract: A treated fibrous polyamide substrate having durable resistance to staining by acid colorants comprising a fibrous polyamide substrate having applied thereto an aqueous solution of a sulfonated, phosphated resol resin and a methacrylic polymer or copolymer of high number average molecular weight, and preferably high weight average molecular weight and optionally, fluorochemical; and the method of treating said substrate with the solution to render it durable to staining by acid colorants.Type: GrantFiled: January 21, 1997Date of Patent: April 7, 1998Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
-
Patent number: 5707708Abstract: A polyamide fibrous substrate having deposited on it an amount of a composition effective to impart stain-resistance comprising a water-soluble or water-dispersible alpha-olefin/maleic anhydride polymer or a mixture of said polymers, and processes for preparing the substrates. The maleic anhydride polymer is used either in hydrolyzed form or in the form resulting from reacting it with a lower alkyl alcohol so as to form an alpha-olefin/maleic acid monalkyl ester polymer.Type: GrantFiled: January 29, 1996Date of Patent: January 13, 1998Assignee: E. I. Du Pont de Nemours and CompanyInventor: Engelbert Pechhold
-
Patent number: 5700532Abstract: A silicone rubber composition that is capable of adhering to the surface of various kinds of substrates, in particular woven fabrics or the like in the absence of an adhesion promoter or coupling agent. The composition of the present invention includes a dual catalyst system which enhances the cure rate of the silicone compound. Strong adhesion of the silicone rubber coating composition to the substrate is achieved at high coating speeds using a mixture of an organopolysiloxane, an organohydrogenpolysiloxane resin, a platinum catalyst, and a peroxide curing agent. The silicone rubber composition is particularly suitable as a coating for airbag fabrics.Type: GrantFiled: November 17, 1995Date of Patent: December 23, 1997Assignee: Highland Industries, Inc.Inventor: Joseph J. Chiou
-
Patent number: 5662728Abstract: A particulate filter structure and method for making the structure are disclosed. The structure includes a stable framework of relatively large denier fibers having a lower melting component and a higher melting component. The larger denier fibers have a denier of from about 30 dpf or more and are bonded by the lower melting component at the crossover points. Smaller denier fibers, which preferably are of the same composition as the larger denier fibers are immobilized onto the framework formed by the larger denier fibers by applying heat. Functional particulate such as activated carbon is immobilized primarily onto the smaller denier fibers, also by application of heat.Type: GrantFiled: December 31, 1992Date of Patent: September 2, 1997Assignee: Hoechst Celanese CorporationInventor: Herbert Gunter Groeger
-
Patent number: 5658650Abstract: The present invention provides an article, comprising: a fabric sheet which has been compacted using a heat shrink yarn; and a curable or hardenable resin coated onto the fabric sheet. The present invention involves compacting a fabric sheet to impart stretchability and conformability to the fabric while minimizing undesirable recovery forces. Suitable fabrics for compacting are fabrics which comprise fiberglass fibers which are capable of first being compacted and then being heat set or annealed in the compacted state. The article may be in the form of an orthopedic bandage and may optionally contain a micro fiber filler associated with the resin.Type: GrantFiled: May 31, 1995Date of Patent: August 19, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Scott A. Neamy, James C. Novack, Matthew T. Scholz
-
Patent number: 5603756Abstract: Disclosed herein is an ink-jet textile printing ink comprising at least a reactive dye and water, wherein the ink contains a hydrolyzate of the reactive dye in an amount of 1% to 50% by weight based on the weight of the reactive dye.Type: GrantFiled: May 23, 1995Date of Patent: February 18, 1997Assignee: Canon Kabushiki KaishaInventors: Mariko Suzuki, Masahiro Haruta, Shoji Koike, Koromo Shirota, Tomoya Yamamoto