Abstract: An article comprising a water resistant underlayment portion is provided comprising a first non-woven fabric layer, a film layer, a first bituminous material layer, a second non-woven fabric layer, a woven fabric layer, and a second bituminous material layer.

Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.

Abstract: In accordance with one embodiment of the present disclosure, a reflective insulation product is provided. The product includes a first outer layer having reflective material, a second outer layer, and an inner layer. The inner layer includes fiberglass and urethane, the urethane being present in an amount of at least about 5% by weight. The inner layer is positioned between the first outer layer and second outer layer such that the first outer layer is adhered to a first side of the inner layer by the urethane and the second outer layer is adhered to a second side of the inner layer by the urethane.

Abstract: Methods of making fiber-containing prepregs are described. The methods may include the steps of providing a plurality of fibers, and applying a reactive resin composition to the plurality of fibers to make a mixture of the plurality of fibers and the resin composition. The reactive resin composition may include at least one of monomers and oligomers capable of polymerizing into a polymerized resin matrix. The mixture may be heated to a polymerization temperature where the monomers, oligomers, or both polymerize to form a fiber-resin amalgam that includes the polymerized resin matrix. The fiber-resin amalgam may be formed into the fiber-containing prepreg. Also described are methods of forming a fiber-reinforced composite that includes the prepreg.

Abstract: The present invention provides aqueous urea formaldehyde resin (UF resin) compositions having a pH or 7.0 or more, preferably, 8.5 or more, and comprising the UF resin modified with from 2.5 to 15 wt. %, of at least one ammonia or volatile amine neutralized carboxylic acid group containing solution polymer or alkali soluble emulsion polymer modifier, based on total UF resin and polymer solids, wherein the polymer modifier is the reaction product of 30 to 100 wt. % of methacrylic acid, acrylic acid, maleic anhydride, a salt thereof, or mixtures thereof, wherein the solution polymer has a weight average molecular weight of from 2,000 to 16,000 and the alkali soluble emulsion copolymer has a weight average molecular weight of from 1,500 to 20,000. The compositions enable the provision of untreated glass mats having improved wet web strength to prevent mat breakage in process.

Abstract: The present invention provides methacrylic acid polymer modified aqueous urea formaldehyde resin (UF resin) binder compositions useful in making a treated glass mat, e.g. for roofing shingles, wherein the methacrylic acid polymer comprises the reaction product of at least 50 wt. %, based on the total weight of monomers used to make the methacrylic acid polymer, of methacrylic acid or its salts, or mixtures thereof, a water-soluble phosphorous or sulfur containing compound and the remainder of a carboxylic acid group containing monomer, such as acrylic acid. The methacrylic acid polymers have at least one of a phosphite group, hypophosphite group, phosphinate group, diphosphinate group, and/or sulfonate group and enable modified UF resins to have early strength development even when the binder compositions comprise from 0.1 to less than 5 wt. % of the polymer modifier, based on total solids of the UF resin and the polymer modifier.

Abstract: A bicomponent fiber is disclosed, in addition to systems and processes for making the bicomponent fiber. The bicomponent fiber can include a glass core and a polytetrafluoroethylene (PTFE) sheath circumferentially enclosing the glass core, wherein the bicomponent fiber has a diameter between approximately five micrometers and approximately twenty micrometers.

Abstract: The invention relates to storage-stable prepregs (preimpregnated fibers) based on low-viscosity polyurethane systems having a very high characteristic number and flat fibre composite components (moulded bodies; composite components) produced therefrom, which are obtained due to an impregnation method of fibre reinforced materials such as woven fabrics and fleece, and to a method for the production thereof.

Abstract: The object of the present invention is to provide a porous body having fluid permeance, which contains cellulose-based nanofibers having an extremely thin fiber diameter and high hydrophilicity, and to manufacture a porous body at low cost. The porous body according to the present invention is a porous body in which nanofibers are entangled to form net-like structural bodies in pores of a porous support having many pores that are connecting with one another, wherein the nanofibers are cellulose-based nanofibers, and have a number average fiber diameter of from 1 to 100 nm.

Abstract: An adhesive tape substrate production method disclosed in the present description includes the steps of: decreasing the amount of a sizing agent contained in a glass cloth by heat; impregnating the glass cloth for which the amount of the sizing agent has been decreased with a dispersion of a fluorine resin; and heating the impregnated glass cloth to a temperature equal to or higher than a melting point of the fluorine resin. Thus, an adhesive tape substrate including the glass cloth impregnated with the fluorine resin is obtained. This method are more productive of adhesive tape substrates and adhesive tapes than conventional methods. In addition, adhesive tape substrates and adhesive tapes for which the occurrence of defects in appearance are reduced can be produced.

Abstract: Embodiments of the present application generally provide for wind turbine blade spar caps comprising composite materials prepared using a low viscosity resin system and a high density fabric and methods for their manufacture. In particular embodiment, the low viscosity resin system has a viscosity in the range of about 1 to about 100 centipoises at a temperature in the range of about 0° C. to about 125° C. during the preparation of the composite material. By using low viscosity resin systems, composite materials have been prepared having a fiber volume fraction of greater than about 65% and a composite modulus of greater than 48000 MPa.

Abstract: An aqueous binder composition is provided that includes a carbohydrate and a crosslinking agent. In exemplary embodiments, the carbohydrate-based binder composition may also include a catalyst, a coupling agent, a process aid, a crosslinking density enhancer, an extender, a moisture resistant agent, a dedusting oil, a colorant, a corrosion inhibitor, a surfactant, a pH adjuster, and combinations thereof. The carbohydrate may be natural in origin and derived from renewable resources. Additionally, the carbohydrate polymer may have a dextrose equivalent (DE) number from 2 to 20. In at least one exemplary embodiment, the carbohydrate is a water-soluble polysaccharide such as dextrin or maltodextrin and the crosslinking agent is citric acid. Advantageously, the carbohydrates have a low viscosity and cure at moderate temperatures. The environmentally friendly, formaldehyde-free binder may be used in the formation of insulation materials and non-woven chopped strand mats.

Abstract: A formaldehyde-free sizing composition for products based on fibers, in particular mineral fibers, such as glass or rock fibers, which includes at least one humic acid and/or one fulvic acid or a salt of these acids, at least one saccharide, and at least one inorganic acid ammonium salt.

Abstract: Process for the continuous preparation of prepolymers based on phenolic resin, an oxazoline component and an epoxide in the presence of a catalyst, including supplying the phenolic resin and the oxazoline component to an extruder in a stream A; a Lewis adduct of boron trifluoride or of aluminum trichloride, or arylsulphonic acids or alkylsulphonic acids, or latent arylsulphonic acids or latent alkylsulphonic acids, in a stream B, and the epoxide in a stream C, the infeed of stream A being situated, as seen in extrusion direction, before the infeed of stream C, these reactants are mixed at a reaction temperature of 120 to 200° C. with a residence time in the extruder of 3 seconds to 15 minutes, and then the product discharge of the extruder is cooled to a temperature of less than 45° C. within from 30 to 60 seconds.

Abstract: The present invention is directed to a method of mitigating ice build-up on a substrate, such as a wind blade, comprising applying to the substrate curable film-forming compositions comprising isocyanate-functional curing agents, film-forming compositions with functional groups reactive with the isocyanates, and polysiloxanes. The film-forming compositions can be applied directly to the surface of the substrate or onto a primer coat and/or topcoat on the substrate.

Abstract: Methods for treating various substrates to impart unique and artistic finishes thereto, comprising the application of a plurality of separate pigmented curable liquid compositions thereto. In some embodiments the pigmented curable liquid compositions are applied in such fashion to preclude formation of a homogeneous pigmented mixture. In some embodiments this is achieved by applying a second pigmented curable liquid composition over a first pigmented curable liquid composition prior to the full cure of the former. In other embodiments, this is achieved by simultaneous application of two pigmented curable liquid compositions which are non-homogeneous.

Abstract: The present invention provides a composite material comprising a glass cloth; and an organic-inorganic hybrid composition comprising diphenylsilanediol and alkoxy silane, a composite film manufactured by using the same, and a method for manufacturing the composite film.

Abstract: Process for manufacturing a composite material comprising fibres and at least one vinyl chloride polymer comprising the immersion of the fibres in a hydrosol of said polymer in order to obtain fibres coated with said hydrosol followed by the drying and gelling of said hydrosol coated on the fibres. Composite material and use thereof for forming articles or for manufacturing reinforcing objects. Profiles reinforced by this composite material.

Abstract: Processes are described for binding a fibrous material. The processes may include applying to a surface of the fibrous material an aqueous binding composition to form a coated fibrous material. The binding composition may include: (a) a water-soluble polyamic acid, and (b) an organic crosslinking agent capable of undergoing a covalent crosslinking reaction with the water-soluble polyamic acid when heated. The water-soluble polyamic acid may be formed by the reaction of: a (i) a polycarboxylic acid or polyanhydride having a molecular weight of at least 150 g/mol, and (ii) ammonia or an amine compound. The processes may further include heating the coated fibrous material to crosslink the water-soluble polyamic acid with the organic crosslinking agent to form a cured binder. One or more adjoining fibers of the fibrous material may be bound to each other at cross over points by the cured binder.

Abstract: A composition for production of a prepreg for manufacture of thermoset composite laminates, a method for the production of a prepreg, the prepreg, and a thermoset glass fiber reinforced composite laminate manufactured by curing the prepreg. The composition includes unsaturated polyesters or vinylesters, a catalyst, a thickening agent, and a crosslinking initiator. A first component of the unsaturated polyesters or vinylesters includes reactive groups that react with the thickening agent. A second component of the unsaturated polyesters or vinylesters does not include any groups that react with the thickening agent. The composition also includes a polyether polyol.

Abstract: The present invention refers to a method for the preparation of a reinforced thermoset polymer composite, said thermoset polymer composite comprising coated fibers, the coating being used as a vehicle for the introduction of carbon nanotubes into the thermoset polymer, the preparation of said reinforced thermoset polymer composite comprising the following steps: —providing fibers; —preparing a coating comprising carbon nanotubes and a polymeric binder; —applying said coating to said fibers to obtain coated fibers; —impregnating said coated fibers with a precursor of a thermoset polymer and letting part of the carbon nanotubes transfer from the coating into the precursor of the thermoset polymer; —curing said precursor containing the coated fibers and the transferred carbon nanotubes to achieve the reinforced thermoset polymer composite.

Abstract: The invention provides aqueous thermosetting binder compositions exhibiting both of improved flame retardation and wet tensile strength comprising a reducing sugar, a diprimary diamine or a polyprimary diamine, a phosphorus acid salt and from 3 to 20 wt. %, based on total solids, of an aqueous polymeric polyacid solution polymer containing phosphorus or its salt, wherein the aqueous thermosetting binder composition comprises from 0.7% P (s/s) to 5% P (s/s).

Abstract: Composite materials having a multi-wall carbon nanotube content of from 4 to 15% by weight, based on total weight of the composite, are produced from a dispersion of multi-wall carbon nanotubes (MWCNTs) and a fiber reinforcing material in a carrier fluid which is processed to form a shaped article that may then be infused with a liquid polymer or polymer-forming mixture to form the composite.

Abstract: A method for producing a fibrous material including carbon fibres or glass fibres or plant fibres or polymer-based fibres, that are used alone or in a mixture, and are impregnated by a thermohardenable polymer using a mixture containing a hardener and carbon nanofillers, such as carbon nanotubes (CNT). A mixture containing said nanofillers, such as CNTs, and the hardener is used to introduce said nanofillers into the fibrous material. A continuous production line (L) for producing the material in the form of at least one calibrated and homogeneous strip (20) of reinforcing fibres impregnated with a thermohardenable polymer, includes the device (100) for arranging two series of fibres (1, 2) used to form a strip in such a way as to arrange the two series of fibres such that they are brought into contact with each other by means of two calendering devices.

Abstract: A binder comprising a polymeric binder comprising the products of a carbohydrate reactant and organic acid is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Fibrous products comprising fibers in contact with a carbohydrate reactant and an organic acid are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate based binder using an organic acid.

Abstract: Sizing compositions to size fibers or particles used in plastic composites are described. The compositions may include a solution with a polymerization compound selected from: (a) at least one non-isocyanate-containing polymerization initiator (PI) for initiating the polymerization of caprolactam monomers; or (b) at least one precursor for a non-isocyanate-containing PI for initiating the polymerization of caprolactam monomers. Methods of making the sizing the composition, as well as methods of making reinforced thermoplastic composites from sized fibers or particles, are also described.

Abstract: The present invention is directed to a method of mitigating ice build-up on a substrate, such as a wind blade, comprising applying to the substrate curable film-forming compositions comprising isocyanate-functional curing agents, film-forming compositions with functional groups reactive with the isocyanates, and polysiloxanes. The film-forming compositions can be applied directly to the surface of the substrate or onto a primer coat and/or topcoat on the substrate.

Abstract: Formaldehyde-free binder compositions are described that include an aldehyde or ketone, a nitrogen-containing salt of an inorganic acid, and an acidic compound. The acidic compound may be an organic acid, such as maleic acid or citric acid among others. The acidic compound is supplied in quantities that lower the pH of the binder composition to about 5 or less. The binder compositions may be used in methods of binding fiberglass and the resulting fiberglass products have an improved tensile strength due to the addition of the acidic compound.

Abstract: Formaldehyde-free binder compositions are described that include an aldehyde or ketone, a reaction product between a polyamine and an organic anhydride, and an acidic compound. The acidic compound may be an organic acid, an acidic catalyst, or both. The acidic compound is supplied in quantities that lower the pH of the binder composition to about 5 or less. The binder compositions may be used in methods of binding fiberglass and the resulting fiberglass products have an improved tensile strength due to the addition of the acidic compound.

Abstract: The use of polyamide of high melt flow employed in the impregnation of reinforcing materials taking the form of a cloth of industrial fabrics for the manufacture of composite materials is described. The described use relates to composite materials and their manufacturing processes.

Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a free radical-curable silicone composition comprising a silicone resin, and curing the silicone resin of the impregnated fiber reinforcement; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.

Abstract: A resin-impregnated base substrate is provided by immersing a sheet in an aromatic liquid crystal polyester solution composition so that the polyester is impregnated into the sheet, and removing the solvent. The composition comprises 20 to 50 parts by weight of an aromatic liquid crystal polyester and 100 parts by weight of an aprotic solvent having no halogen atom, wherein the sheet comprises fiber selected from the group consisting of polyolefin resin fiber, fluorocarbon resin fiber, aramid resin fiber, glass fiber, ceramic fiber and carbon fiber.

Abstract: Embodiments of the present application generally provide for wind turbine blade spar caps comprising composite materials prepared using a low viscosity resin system and a high density fabric and methods for their manufacture. In particular embodiment, the low viscosity resin system has a viscosity in the range of about 1 to about 100 centipoises at a temperature in the range of about 0° C. to about 125° C. during the preparation of the composite material. By using low viscosity resin systems, composite materials have been prepared having a fiber volume fraction of greater than about 65% and a composite modulus of greater than 48000 MPa.

Abstract: An object of the present invention is to provide a method for producing a heat-treated liquid crystal polyester-impregnated base material, in which the portion to be practically used as the liquid crystal polyester-impregnated base material after a heat treatment is not welded to the supporting member. In the step of heat-treating a first liquid crystal polyester-impregnated base material, the first liquid crystal polyester-impregnated base material is heat-treated while supporting by a supporting member in the site other than the portion to be practically used after the heat treatment to obtain a second liquid crystal polyester-impregnated base material.

Abstract: An object of the present invention is to provide a method for producing a heat-treated liquid crystal polyester-impregnated base material, which can prevent welding to a supporting material upon a heat treatment. A second liquid crystal polyester-impregnated base material is obtained by heat-treating a first liquid crystal polyester-impregnated base material 11 arranged on a supporting material 13 through a resin layer 12 which exhibits a melting point of 320° C. or higher by the measurement using a differential scanning calorimeter, or does not undergo decomposition at lower than 320° C. and also does not exhibit a melting point.

Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.

Abstract: Process for the continuous preparation of prepolymers based on phenolic resin, an oxazoline component and an epoxide in the presence of a catalyst, including supplying the phenolic resin and the oxazoline component to an extruder in a stream A; a Lewis adduct of boron trifluoride or of aluminium trichloride, or arylsulphonic acids or alkylsulphonic acids, or latent arylsulphonic acids or latent alkylsulphonic acids, in a stream B, and the epoxide in a stream C, the infeed of stream A being situated, as seen in extrusion direction, before the infeed of stream C, these reactants are mixed at a reaction temperature of 120 to 200° C. with a residence time in the extruder of 3 seconds to 15 minutes, and then the product discharge of the extruder is cooled to a temperature of less than 45° C. within from 30 to 60 seconds.

Abstract: The present invention relates to formaldehyde scavenger treatments for porous fiberglass material having formaldehyde emitting binders thereon. The invention also relates to methods of making porous fiberglass material having reduced formaldehyde emissions.

Abstract: The present invention relates to a method for producing fiber-reinforced composite materials, in which a multiplicity of continuous filaments or woven fabric is impregnated optionally together with reinforcing materials, comprising caprolactam and other starting materials for polyamide 6 or other starting materials for copolymers of caprolactam, passed through at temperatures of 70 to 100° C., and anionically polymerized at temperatures of 100 to 190° C., and optionally repolymerized at temperatures of 90 to 170° C.

Abstract: A soil resistant laminate composition and a soil resistant treatment use composition are provided. In particular, a laminate composition comprising a multilayer composition of a clean surface and a dried layer of a soil resistant agent are disclosed. Soil resistant agents according to the invention include copolymers of a maleic/olefin, an olefin/acrylate and combinations thereof and are suitable for delivery with a water or other organic solvent carrier. A kit and methods for treating a clean surface using a soil resistant laminate composition and a soil resistant treatment use composition are provided by the present invention.

Abstract: Compositions include a polymer and silica nanoparticles dispersed in an aqueous continuous liquid phase. The polymer is a water-soluble copolymer of acrylic acid and an acrylamide, or a salt of the same. Methods of making and using the compositions to coat a substrate are also disclosed.

Abstract: A method of operating a paving system includes establishing a plan for paving a work area which is based on a positional temperature model. The method further includes receiving temperature data for paving material and comparing the temperature data with data predicted by the positional temperature model. Operation of the paving system is adjusted where actual data differs from model predicted data. A paving system and control system are provided having an electronic control unit configured to compare electronic temperature data with a positional temperature model for paving material. The electronic control unit can control machines of the paving system based on comparing actual data with model predicted data, and can further update either or both of a plan for paving a work area and the positional temperature model itself based on differences between actual data and model predicted data.

Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a condensation-curable silicone composition comprising a silicone resin, and curing the silicone resin in the condensation-curable silicone composition of the impregnated fiber reinforcement; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.

Abstract: A method for reducing the amount of binder or resin used in glass fiber manufacturing while maintaining product performance is disclosed. The method generally reduces the amount of binder or resin used in a manufacturing process by adjusting other factors in the manufacturing process. Specifically, ramp moisture and/or silane content are factors that are adjusted to achieve the results of the disclosed method. Additionally, glass fiber compositions resulting from the method are disclosed.

Abstract: The present invention concerns a composition containing: an aqueous dispersion of at least one phenol-formaldehyde resin; at least one amine compound, wherein the molecular mass of the amine compound does not exceed approximately 20 000 g/mole, at least one activated silane, as well as at least one aromatic hydroxyl compound. The composition may be employed as a formaldehyde-free binder for the manufacture of mineral wool.

Abstract: A thermally resistant fiber glass includes at least SiO2, Al2O3, and TiO2.

Abstract: Binders to produce or promote cohesion in non or loosely assembled matter.

Abstract: A metal/fiber laminate has a plurality of adjacent layers. Each layer is porous and includes an arrangement of fibers. At least one of the layers has its fibers coated with a metal. A polymer matrix permeates each such arrangement.

Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a condensation-curable silicone composition comprising a silicone resin, and curing the silicone resin in the condensation-curable silicone composition of the impregnated fiber reinforcement; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.

Abstract: A system for controlling the residual moisture in pre-cured binder coated glass fibers. The moisture of the binder coated glass fibers is measured after the process water is extracted in a collection box. Based on the level of moisture found in the coated glass fibers, adjustments are made to the process upstream of the moisture measurements. The adjustments include, but are not limited to, adjusting the amount of water used to make the binder composition; adjusting the amount of heat applied to the binder composition as it is applied to the glass fibers and adjusting the vacuum conditions used to extract the process water from the binder coated glass fibers. Control of the residual moisture in the precured binder coated glass fibers helps ensure proper curing of the binder during the subsequent curing step.