Abstract: A thermal insulation sheet is used that includes a fiber, a silica aerogel contained in the fiber, and a fibrous cavity. A method for manufacturing a thermal insulation sheet is used that includes: an impregnation step of impregnating a silica aerosol in a nonwoven fabric substrate containing a fiber that is insoluble in an acidic solution, and a fiber that is soluble in the acidic solution; a gelling step of gelling the silica aerosol; a hydrophobizing step of hydrophobizing the gel; and a drying step of drying the gel. The fiber that is soluble in the acidic solution is dissolved in the hydrophobizing step.

Abstract: Embodiments relate to a polyimide-based composite film, which comprises a base film comprising a polyimide-based resin; and a functional layer disposed on the base film, wherein when the side of the functional layer located opposite to the side in contact with the base film is referred to as a first side and when the side of the base film located opposite to the side in contact with the functional layer is referred to as a second side, the adhesiveness index represented by Equation 1 is 3.5 or less.

Abstract: A fiber-based adsorbent and a related method of manufacture are provided. The fiber-based adsorbent includes polymer fibers with grafted side chains and an increased surface area per unit weight over known fibers to increase the adsorption of dissolved metals, for example uranium, from aqueous solutions. The polymer fibers include a circular morphology in some embodiments, having a mean diameter of less than 15 microns, optionally less than about 1 micron. In other embodiments, the polymer fibers include a non-circular morphology, optionally defining multiple gear-shaped, winged-shaped or lobe-shaped projections along the length of the polymer fibers. A method for forming the fiber-based adsorbents includes irradiating high surface area polymer fibers, grafting with polymerizable reactive monomers, reacting the grafted fibers with hydroxylamine, and conditioning with an alkaline solution.

Abstract: A method for coating a solid substrate, which comprises coating the substrate with a coating slip comprising PVA and particles coupled to the PVA, followed by grafting of fatty acids.

Abstract: A method for treating an aromatic polyamide filament or yarn to improve its adhesion to rubber wherein, the method comprises exposing the filament or yarn to a first mixture of reagents comprising multi-functional isocyanate oligomers and multi-functional epoxy oligomers, wherein the ratio of total isocyanate groups to total epoxy groups in the mixture is in the range of from 0.8 to 1.2, and heating the exposed filament or yarn to a temperature of at least 100 degrees C. whereby the epoxy and isocyanate oligomers cross-link and form a network on the surface of the filament or yarn.

Abstract: Methods for making and using phenol/formaldehyde/furfural-based resins and furfural alcohol-based resins and are provided. The method for making a phenol/formaldehyde/furfural-based resin can include combining a phenol/formaldehyde-based resin with furfural to produce a phenol/formaldehyde/furfural-based resin. The phenol/formaldehyde/furfural-based resin can have a viscosity of about 1 cP to about 1,000 cP at a temperature of about 25° C.

Abstract: Methods for making phenolic resins modified with one or more monosaccharides and methods for making composite products therewith are provided. In at least one specific embodiment, a method for making a composite product can include contacting a plurality of cellulosic sheets with a resin composition that includes a phenolic resin and a monosaccharide. The resin composition can include about 0.5 wt % to about 30 wt % of the monosaccharide, based on a combined weight of the phenolic resin and the monosaccharide. The method can also include at least partially curing the resin composition to produce a composite product.

Abstract: This invention relates to a method for fireproofing textiles based on a composition having two components comprising: a component A comprising at least one phosphorous compound; and a component B comprising urea and at least one pH buffer, optionally with an oxidising agent. Said method for fireproofing textiles includes the steps of immersing said textiles in said composition, and of heating, oxidising and then washing said textiles, which then have excellent human-ecological, comfort, and durable fireproofing properties.

Abstract: An article comprises a textile material and a flame retardant, phosphorus-containing polymer. The flame retardant, phosphorus, containing polymer can be present in the form of a plurality of microprotuberances. The flame retardant, phosphorus, containing polymer can contain a relatively low amount of residual hydroxyalkyl groups bonded to the phosphorus atoms in the polymer. A process for producing a treated textile material is also provided.

Abstract: A method for forming a dispersible nonwoven substrate in an aqueous medium including: a) forming an aqueous nonwoven binder including a selected emulsion polymer wherein the polymer has been modified with a compound comprising a tri-substituted N-atom, the compound having a pKb of from 4 to 7; b) contacting a nonwoven substrate with the aqueous nonwoven binder; c) heating the contacted nonwoven to a temperature of from 120° C. to 220° C.; and d) immersing the contacted heated nonwoven in an aqueous medium having a final pH<5 is provided. A dispersible nonwoven substrate in an aqueous medium formed by the preceding method and a method for providing a dispersed nonwoven in an aqueous medium are also provided.

Abstract: Methods of making esterified lignocellulosic materials and resulting compositions and articles are disclosed.

Abstract: The present disclosure provides compositions formulated to improve water resistance when topically applied as a treatment to a surface (e.g., the surface of a wood product). Wood products treated with the compositions, as well as methods for applying the compositions to a surface, are also provided.

Abstract: Provided among other things is a fabric comprising: a HPPE base fabric; coated thereon a primer polymer; and coated on the primer polymer a liquid-resistant polymer layer. The primer polymer can be a polyurethane. The base fabric can comprise an adhesion promoter that can be a plasticizer. The adhesion promoter can be a sulfonic acid plasticizer. The adhesion promoter can contain an active hydrogen, carboxy, carboxyloxy or acid group. The fabric can comprise, coated on the liquid-resistant polymer layer, an additional polymer layer. The additional polymer layer can comprise carnauba wax in an amount from about 1 to 3% Phr. The liquid-resistant polymer layer can be a NBR layer. In certain embodiments, the fabric shows no delamination of the liquid-resistant polymer layer after an adherence test. The primer layer can be a polyurethane layer. These features can be present in any combination.

Abstract: A method for treating an aromatic polyamide filament or yarn to improve its adhesion to rubber wherein, the method comprises exposing the filament or yarn to a first mixture of reagents comprising multi-functional isocyanate oligomers and multi-functional epoxy oligomers, wherein the ratio of total isocyanate groups to total epoxy groups in the mixture is in the range of from 0.8 to 1.2, and heating the exposed filament or yarn to a temperature of at least 100 degrees C. whereby the epoxy and isocyanate oligomers cross-link and form a network on the surface of the filament or yarn.

Abstract: A dioxaborinane compound, or salt thereof, where boron has two oxy substituents, each independently substituted with H, alkyl, alkenyl, aryl, —C(O)R3, —C(O)OR3, —C(O)NHR3, or the two oxy substituents, together with the oxygen atoms to which they are bonded, join to form a 5- or 6-membered ring; and R3 is H, alkyl, alkenyl, or aryl, where the alkyl and alkenyl are optionally interrupted with one or more oxygen or sulfur atoms; and where boron also has the substituent -L-X1-PG1; where L may be absent, or alkylenyl, alkenylenyl, or arylene, where the alkylenyl and alkenylenyl are optionally interrupted with one or more oxygen or sulfur atoms; X1 is absent, or is amino, oxo, thio, or phosphino; and PG1 is a polymerizable group. The dioxaborinane compound can be used as a wood preservative.

Abstract: The present invention provides a method for treating textile material to confer flame retardant properties, the method comprising the steps of impregnating the material with an aqueous solution of a treatment agent which is a poly(hydroxyorgano)phosphonium compound; drying the impregnated material; curing the dried impregnated material with ammonia to produce a cured, water-insoluble polymer which is mechanically fixed within the fibers of the material; oxidizing the cured polymer to convert trivalent phosphorus to pentavalent phosphorus; and washing and drying the material; wherein one or both of steps (d) and (e) result in the co-production of an aqueous effluent; and wherein the conditions are controlled such that the atomic ratio of N:P present on the material increases during step (c) by 0.8 or more.

Abstract: The present invention relates to a process for the production of coated textiles in which a textile substrate is firstly brought into contact with an aqueous dispersion comprising at least one inorganic salt and at least one modified cellulose.

Abstract: Embodiments of the present invention use melamine-based resins as a pretreatment on fabrics and fabric blends in combination with phosphorus-based flame retardants to improve flame retardant performance, durability, and further promote char formation in a combustion zone of the fabric.

Abstract: Methods for making and using phenol/formaldehyde/furfural-based resins and furfural alcohol-based resins and are provided. The method for making a phenol/formaldehyde/furfural-based resin can include combining a phenol/formaldehyde-based resin with furfural to produce a phenol/formaldehyde/furfural-based resin. The phenol/formaldehyde/furfural-based resin can have a viscosity of about 1 cP to about 1,000 cP at a temperature of about 25° C.

Abstract: A flame retardant composition comprises a phosphorous-containing polymer. The phosphorous-containing polymer can be produced by first reacting a phosphonium compound and a nitrogen-containing compound to produce a precondensate compound and then reacting the precondensate compound with a cross-linking composition. The resulting phosphorous-containing intermediate polymer can then be oxidized to convert at least a portion of the phosphorous atoms in the polymer to a pentavalent state. A textile material comprises a textile substrate and a phosphorous-containing polymer, such as that described above.

Abstract: A method is described for coating a flexible medium made from fabric, paper, polyvinyl chloride, polyester, polypropylene, polyamide, polyethylene, polyurethane, non-woven fibreglass fabrics, or polyethylene terephthalate with a tin-free elastomer silicon composition that can be cross-linked by polycondensation.

Abstract: A method is described for coating a flexible medium made from fabric, paper, polyvinyl chloride, polyester, polypropylene or polyethylene terephthalate with a tin-free elastomer silicon composition that can be cross-linked by polycondensation.

Abstract: The invention is to provide a leather-like sheet having a fine image drawn by an inkjet printing method, etc., on its surface and having practically sufficient physical properties. This invention includes a leather-like sheet including (i) a fibrous substrate and (ii) a porous layer thereon, the porous layer having a surface having open pores with a diameter of 1 ?m or more and the porous layer having the surface having an image whose definition is 5 dots/mm or more, and a process for the production thereof.

Abstract: An aqueous composition includes polyvinyl alcohol, an acid having a pKa of at most 4.0, and a dispersion of a polymer in which vinyl acetate units constitute at least 60 wt % of the polymer. The polymer does not contain units of any N-methylol-containing monomer, and at least a portion of the polyvinyl alcohol is present in the form of an emulsion stabilizer for the polymer. The wet strength of a fibrous nonwoven substrate can be increased by applying one or more aqueous compositions that together include polyvinyl alcohol, an acid having a pKa of at most 4.0, and a dispersion of a polymer as described above, followed by a final drying step. A fibrous nonwoven article can be prepared in this way.

Abstract: A process for the production of coated textiles, a textile substrate being coated or impregnated with a solution (I) comprising polyurethane, and the polyurethane then being precipitated in or on the textile substrate, wherein polyurethane dissolved in ionic liquid is used as solution (I).

Abstract: A process for producing a polyurethane coated glove includes steps of: coating a knitted glove with a solvent, wherein the solvent is prepared by a polyurethane resin and a component selected from the group consisting of N-methyl pyrrolidone (NMP), dimethylacetamide (DMAC), and dimethyl sulfoxide (DMSO), wherein the component participates in synthesizing the polyurethane resin; treating the knitted glove with water bath; drying the knitted glove under 100˜110° C., for 50˜60 minutes; and recycling the component in the solvent from the water after treating with water bath by vacuum decompression.

Abstract: A method is described for coating a flexible medium made from fabric, paper, polyvinyl chloride, polyester, polypropylene, polyamide, polyethylene, polyurethane, non-woven fibreglass fabrics, or polyethylene terephthalate with a tin-free elastomer silicon composition that can be cross-linked by polycondensation.

Abstract: A method is described for coating a flexible medium made from fabric, paper, polyvinyl chloride, polyester, polypropylene or polyethylene terephthalate with a tin-free elastomer silicon composition that can be cross-linked by polycondensation.

Abstract: A moisture-permeable waterproof fabric which has a well-balanced combination of moisture permeability and waterproofing properties and has excellent strength, in particular, tensile strength, is provided without increasing environmental burden. A synthetic-polymer solution comprising a synthetic polymer consisting mainly of a polyurethane, fine inorganic particles, and a polar organic solvent is applied to one surface of a fibrous fabric and then brought into contact with a gaseous phase in which waterdrops having an average particle diameter of 1-30 ?m have been evenly dispersed, thereby making the synthetic polymer semisolid. The fabric is then immersed in water to completely solidify the polymer and thereby obtain a moisture-permeable waterproof fabric comprising the fibrous fabric and, united to one surface thereof, a microporous film of a single-layer structure comprising the synthetic polymer consisting mainly of a polyurethane (the number of micropores having a pore diameter of 0.

Abstract: This invention provides a waterproof and moisture-permeable fabric which prevents to lower in a water pressure resistance, repetitively washed. The waterproof and moisture-permeable fabric consists of a body of a fabric and a microporous film of mainly polyurethane which is laid on the body. The microporous film contains 1 to 9 mass % of fluorinated water repellent agent, 0.1 to 2 mass % of oil-soluble fluorinated surfactant and if necessary 3 to 45 mass % of fine silica powders. The waterproof and moisture-permeable fabric is obtained by the following method. After coating a resin compound on the surface of the body, the resin compound is dipped in a coagulating bath to form the microporous film. The resin compound dissolves or disperses mainly polyurethane, 1 to 9 mass % of fluorinated water repellent agent, 0.1 to 2 mass % of oil-soluble fluorinated surfactant and if necessary 3 to 45 mass % of fine silica powders in N,N-dimethylformamide.

Abstract: A method to prepare a flexible and breathable protective glove having excellent grip in both aqueous and oil environments includes coating an electrolyte treated glove liner substrate with a non-foamed dispersion of a polymeric material. The resulting semi-gelled polymeric coating which partially penetrates the depth of the glove liner substrate, is treated with a foamed solution of a surfactant, tenside or aerosol solution and the foam treated coating is overcoated with an electrolyte solution. In a resulting chemical or physical reaction, fine pores and cavities are formed in and on the polymer coating.

Abstract: A method of digitally printing textile substrates includes pretreating a textile substrate with a solution that is configured to limit penetration of aqueous colorant into fibers of the textile substrate, drying the pretreated textile substrate for a predetermined period of time, and digitally printing one or more aqueous colorants onto the dried textile substrate. The pretreatment solution comprises a polyamine with a quaternary ammonium compound attached to the polyamine backbone. The pretreatment solution may be applied onto one or both sides of a textile substrate.

Abstract: The present invention provides a method for treating textile material to confer flame retardant properties, the method comprising the steps of impregnating the material with an aqueous solution of a treatment agent which is a poly (hydroxyorgano) phosphonium compound; drying the impregnated material; curing the dried impregnated material with ammonia to produce a cured, water-insoluble polymer which is mechanically fixed within the fibres of the material; oxidising the cured polymer to convert trivalent phosphorus to pentavalent phosphorus; and washing and drying the material; wherein one or both of steps (d) and (e) result in the co-production of an aqueous effluent; and wherein the conditions are controlled such that the atomic ratio of N:P present on the material increases during step (c) by 0.8 or more.

Abstract: A fibrous polyurethane composite and a method for its manufacture is provided comprising a first polymer constituent further comprising a polyurethane catalyst and an active hydrogen compound possessing at least two active hydrogen functional groups, a second polymer constituent further comprising a polyisocyanate pre-polymer, and a fibrous sheet material. In another aspect the fibrous polyurethane composite further comprises a third polymer constituent further comprising at least one active-hydrogen containing fluorinated compound and a polyurethane catalyst.

Abstract: Wood is treated with a film-forming silicone emulsion composition, a boron compound, and a di- or trivalent metal salt. The wood can be endowed with water repellency, water absorption prevention, dimensional stability, termite control and antifungal properties without altering the appearance and quality of wood. The treatment is also effective in preventing the boron compound from being leached out in water.

Abstract: The present invention relates in general to a method and variations thereof for making an article, such as cloth, water repellent and/or water resistant (i.e., hydrophobic) as well as oil repellent (i.e., oleophobic). In particular, the method involves the process of providing a thin-layer polymer coating on the article thereby rendering the article water repellent and/or water resistant. Articles made according to the method of the present invention are also disclosed and claimed herein as are the treated articles' use.

Abstract: The present invention relates in general to a method and variations thereof for making an article, such as cloth, water repellent and/or water resistant (i.e. hydrophobic) as well as oil repellent (i.e. oleophobic). In particular, the method involves the process of providing a thin-layer polymer coating on the article thereby rendering the article water repellent and/or water resistant. Articles made according to the method of the present invention are also disclosed and claimed herein as are the treated articles' use.

Abstract: A nonwoven wipe having a reversible sanitizer indicator for multiple uses and recharges is provided. The nonwoven wipe includes a cloth-like nonwoven fabric coated with a reversible color-changing ink formulation. During use, the nonwoven wipe is impregnated with a quaternary ammonium compound-based sanitizer. When the level of free quaternary ammonium compound falls below a threshold level, the color-changing ink formulation changes from a first color to a second color, indicating the need to recharge the wipe. When the nonwoven wipe is recharged with sanitizer solution, the color-changing ink formulation changes back to the first color.

Abstract: The present invention provides a method for alkaline saponification of a polymer film, comprising: an alkaline-solution coating step of coating a polymer film with an alkaline solution; a temperature keeping step of keeping the polymer film coated with the alkaline solution at temperature equal to or higher than room temperature; a reaction terminating step of terminating the reaction by applying a diluting solvent or an acid solution to the polymer film kept at the temperature; and a washing step of washing away the alkaline solution from the polymer film on which the reaction has been terminated, wherein the reaction terminating step uses a bar coater having a flat-surface bar to apply the diluting solvent or acid solution to the polymer film and remove the alkaline solution from the polymer film.

Abstract: The invention is directed to the use of a specific class of compounds in the treatment of wood, to a method of treating wood, and to the wood obtained by said method. The black insoluble polymer which forms after oxidative polymerisation of this class of compounds is able to color the wood through and through in a homogeneous fashion and cannot be rinsed off or leached with water or solvent and is stable upon UV radiation. In addition it was found that the treated wood of the present invention has a strong resistance against wood degrading fungi.

Abstract: A process for the production of coated textiles, a textile substrate being coated or impregnated with a solution (I) comprising polyurethane, and the polyurethane then being precipitated in or on the textile substrate, wherein polyurethane dissolved in ionic liquid is used as solution (I).

Abstract: There is disclosed a method for applying a first metal on paper, which method comprises the steps a) producing polymers on the surface of said paper, said polymers comprising carboxylic groups and adsorbed ions of at least one second metal, said ions being adsorbed at a pH above 7, b) reducing said ions to the second metal and c) depositing said first metal on the reduced ions of said second metal. The invention further comprises objects manufactured according to the method. Advantages of the present invention include improved adhesion of the metal coating, possibility to coat many difficult materials. The process is suitable for large-scale and continuous production and it will reduce the waste of metal. Circuits manufactured according to the invention display improved signal integrity. Also there is the possibility to manufacture circuits which are built up sequentially with several layers of conductors in distinct patterns. It is also possible to manufacture of circuits with a very small line width.

Abstract: A high performance flame retardant textile fabric is provided which is suitable for use in producing close-fitting garments, such as undergarments, that come into direct contact with the skin of the wearer and provide a protective function, as well as in non-apparel applications. The fabric is formed of yarns of rayon continuous filaments, the yarns having outer filaments along the periphery of the yarn and inner filaments in the interior of the yarn. A cured phosphorus-based flame retardant compound is durably affixed to the filaments and imparts flame retardant properties to the fabric. The outer filaments of the yarns have a phosphorus content at least 25% greater than the inner filaments of the yarn.

Abstract: A method for directly forming patterns on face membrane by vacuum absorption is to have foamed polyurethane (PU) injected on the surface of substratum cloth to form a face membrane. Then, the face membrane is heated at a preset temperature by a preheating box to be continuously kept in a softened condition before it is not thoroughly hardened. Subsequently, a roller having functions of vacuum absorption and cooling has its superficial patterns quickly pressed and absorbed on the heated face membrane by vacuum absorbing force, and simultaneously the patterns on the face membrane is quickly cooled off and fixed in shape by the roller, thus shortening a producing process, saving factory equipment, conforming to environmental conservation and economizing energy source.

Abstract: At least certain embodiments of the present invention relate to polyurethane backed non-flooring products, methods of making non-flooring products, and polyurethane compositions for forming a layer of polyurethane on a non-flooring textile, fabric or material. The compositions comprise the reaction product of castor oil having a water content of less than or equal to about 0.2% by weight; a monol, and an isocyanate, wherein the reactants have a soft segment functionality of about 2.0 to about 2.64. Methods of using the compositions and products including the compositions are also disclosed.

Abstract: Silica-based, chemically-bonded porous coatings, synthesized via the reaction of organo silanes with silica, are used as coatings for inkjet image printing. Silica is used as the base material in all cases, due to its favorable chemical properties of the surface, and the favorable pore structure. The silane-silica reaction product substantially retains the original pore structure of the pre-reacted silica. The disclosed embodiments solve the problems in the prior art in that any catalytic activity of the silica surface towards image fade is eliminated by the chemical modification of silica. This improves the image fade and humid fastness properties of the coating.

Abstract: This invention is directed to fabric finishes or treatment preparations for nylon, polyester, and other textile and fibrous substrate materials that will render them hydrophilic. The finishes of the invention are comprised primarily of polymers that contain carboxyl groups, salts of carboxyl groups, or moieties that can be converted to carboxyl groups by some chemical reaction.

Abstract: (EN) The invention relates to a method for waterproofing lignocellulosic materials by impregnating the lignocellulosic material with a waterproofing agent, whereby the lignocellulosic material is impregnated with a hardenable aqueous composition before or during waterproofing, said composition containing at least one cross-linkable compound, selected from a) low-molecular weight compounds V, having at least two N-bonded groups of formula CH2OH, wherein R=hydrogen or C1-C4 alkyl, and/or one 1,2-bis-hydroxyethan-1,2-diyl group, bridging two nitrogen atoms, ?) precondensates of the compound V and & gammad;) reaction products or mixtures of the compound V with at least one alcohol, selected from C1-C6 alkanols, C2-C6 polyols and oligo-C2-C4-alkylene glycols.

Abstract: For treating resin coated decorative papers. a solution of sodium aluminate in deionized water is applied, during printing with metal effect inks by gravure printing by a fond or subcoat cylinder. The solution has a pH-value between pH 9 and pH 14.

Abstract: A high performance flame retardant textile fabric is provided which is suitable for use in producing close-fitting garments, such as undergarments, that come into direct contact with the skin of the wearer and provide a protective function, as well as in non-apparel applications. The fabric is formed of yarns of rayon continuous filaments, the yarns having outer filaments along the periphery of the yarn and inner filaments in the interior of the yarn. A cured phosphorus-based flame retardant compound is durably affixed to the filaments and imparts flame retardant properties to the fabric. The outer filaments of the yarns have a phosphorus content at least 25% greater than the inner filaments of the yarn.