Patent application number | Description | Published |
20080274291 | Binding of fibrous material utilizing a water soluble Michael adduct crosslinking agent and polycarboxylic acid - Improved binder technology for use with fibrous materials is provided whereby the adjoining fibers of a fibrous material are bound in the absence of a phenol-formaldehyde reaction product. A curable binder composition is provided which comprises a water-soluble Michael adduct crosslinking agent having reactive hydroxyl end groups and a polycarboxylic acid capable of undergoing an esterification reaction. The binding composition is coated on a fibrous material and is heated to achieve crosslinking of hydroxyl end groups of the Michael adduct and carboxylic acid groups of the polycarboxylic acid via an esterification reaction to form a cured water-resistant binder in association with the fibrous material wherein adjoining fibers are bound at cross-over points. | 11-06-2008 |
20080274292 | Binding of fibrous material utilizing a crosslinked polyamic acid - Improved binder technology for use with fibrous materials is provided whereby the adjoining fibers of a fibrous material are bound in the absence of a phenol-formaldehyde reaction product. A curable binder composition is provided which comprises a water-soluble polyamic acid and an organic crosslinking agent capable of undergoing a covalent crosslinking reaction with the polyamic acid. The polyamic acid is formed by the reaction of a polycarboxylic acid and/or polyanhydride having a molecular weight of at least 150 with ammonia and/or amine compound. The binding composition is coated on a fibrous material and is heated to achieve crosslinking of the polyamic acid to form a cured water-resistant binder in association with the fibrous material wherein adjoining fibers are bound at cross-over points. | 11-06-2008 |
20090275699 | Starch containing formaldehyde-free thermoset binders for fiber products - Binder compositions are described that include a carboxyl-containing polymer, a cross-linking agent, and a starch compound having a molecular weight greater than about 10,000 g/mol. In addition, fiber products are described that include mineral or polymeric fibers and a binder prepared from an aqueous composition that includes a carboxyl-containing polymer, a cross-linking agent, and a starch having a molecular weight greater than 10,000 g/mol. | 11-05-2009 |
20100012251 | Binder comprising a crosslinked polyanhydride grafted with a lower molecular weight anhydride - An improved curable formaldehyde-free binding composition is provided. Such curable composition comprises the reaction product of a polyanhydride and a polyol crosslinker and a lower molecular weight anhydride. Initially, the polyanhydride is modified through reaction with a polyol (e.g., a glycol or an alkanolamine) and subsequently is grafted with the lower molecular weight anhydride (e.g., maleic anhydride) to form a water-soluble or water-dispersible curable reaction product. The composition is well suited for binding fibrous materials (e.g., a mat of glass fibers) or for bonding together non-fibrous materials. The binder composition displays an advantageous viscosity so as to facilitate a flowable application with ease combined with an adequately high molecular weight to satisfactorily undergo service as a binder following curing even when harsh environmental conditions (e.g., hot humid air) are encountered for a prolonged period of time | 01-21-2010 |
20100016143 | FIBERGLASS BINDER COMPRISING EPOXIDIZED OIL AND MULTIFUNCTIONAL CARBOXYLIC ACIDS OR ANHYDRIDES - Provided is a fiberglass binder composition which comprises epoxidized oil and a multifunctional carboxylic acid or anhydride. The resultant binder provides minimal processing difficulties and a fiberglass product which exhibits minimal water absorption. The cure time of the binder is also exceptional. | 01-21-2010 |
20100021644 | Formaldehyde free binder compositions for fibrous materials - Compositions for binding organic or inorganic fibers is described. The compositions may include an aqueous solution having a pH of about 4.5 or more. The aqueous solution may include a polycarboxy polymer that is about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; and a polyol. The compositions can maintain a pH of about 5 or more after being cured into a thermoset plastic with the fibers. Processes for preparing a binder composition for organic or inorganic fibers are also described. The processes may include providing an aqueous solution of polycarboxylic acid polymers, where the polymers comprise about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; adding a polyol to the aqueous solution; and maintaining the pH of the aqueous solution at about 5 or more. | 01-28-2010 |
20100280239 | POLYMERIZATION INITIATORS FOR FIBER-REINFORCED POLYMER COMPOSITES AND MATERIALS MADE FROM THE COMPOSITES - Coupling-initiator compounds are described that include a silicon-containing coupling moiety and at least one polymerization initiator moiety. The coupling moiety may be linked to the at least one polymerization initiator moiety by at least one linking moiety. The coupling moiety is capable of coupling the compound to a substrate, while the one or more polymerization initiator moieties are capable of initiating a polymerization of a monomer under polymerization conditions. The coupling-initiator compounds may be included in fiber reinforced polymer composites, where the compounds are coupled to the fibers in the composites and participate in the polymerization of the surrounding polymer. | 11-04-2010 |
20110039111 | CURABLE FIBERGLASS BINDER - A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. 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 fiberglass is in the form of building insulation. In other embodiments the product is a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim. | 02-17-2011 |
20110040010 | CURABLE FIBERGLASS BINDER COMPRISING SALT OF INORGANIC ACID - 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 fiberglass is in the form of building insulation. In other embodiments the product is a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim. | 02-17-2011 |
20110042302 | PERFORMANCE POLYMERIC FIBER WEBS - Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises a reaction product of an amine and a reactant in the form of an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to the polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermo-dimensional stability. | 02-24-2011 |
20110042303 | POLYMERIC FIBER WEBS WITH BINDER COMPRISING SALT OF INORGANIC ACID - Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermodimensional stability. | 02-24-2011 |
20110045275 | FIBERS TREATED WITH POLYMERIZATION COMPOUNDS AND FIBER REINFORCED COMPOSITES MADE THEREFROM - Methods of making fiber reinforced composite articles are described. The methods may include treating fibers with a sizing composition that includes a polymerization compound, and introducing the treated fibers to a pre-polymerized composition. The combination of the treated fibers and pre-polymerized composition may then undergo a temperature adjustment to a polymerization temperature at which the pre-polymerized composition polymerizes into a plastic around the fibers to form the fiber-reinforced composite article. Techniques for introducing the treated fibers to the pre-polymerized composition may include pultrusion, filament winding, reactive injection molding (RIM), structural reactive injection molding (SRIM), resin transfer molding (RTM), vacuum-assisted resin transfer molding (VARTM), long fiber injection (LFI), sheet molding compound (SMC) molding, bulk molding compound (BMC) molding, a spray-up application, and/or a hand lay-up application, among other techniques. | 02-24-2011 |
20110045966 | CELLULOSIC COMPOSITE - Provided is a cellulosic composite comprised of cellulosic material and a binder. The binder comprises a reaction product of an amine and a reactant in the form of an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form a curable binder composition. The composition when mixed with cellulosic material and cured forms a cellulosic composite. | 02-24-2011 |
20110046271 | CELLULOSIC COMPOSITE WITH BINDER COMPRISING SALT OF INORGANIC ACID - Provided is a cellulosic composite comprised of cellulosic material and a binder. The binder comprises an aldehyde or ketone and amine salt of an inorganic acid. The composition when mixed with cellulosic material and cured forms a cellulosic composite. | 02-24-2011 |
20110135907 | FIBER REINFORCED COMPOSITE MATERIALS AND METHODS FOR THEIR MANUFACTURE AND USE - Composite materials that have at least one substrate layer, and at least one fibrous mat are described. The fibrous mat may include fibers in a cured binder made from a binder composition that includes a carbohydrate and an amino-amide. The amino-amide may be formed from a reaction of an amine and an acid anhydride. In addition, methods of making a composite material are described. The methods may include the steps of providing a first substrate layer and contacting the first substrate layer with a fibrous mat comprising fibers in a partially cured, “B”-stage binder made from a binder composition that includes a carbohydrate and an amino-amide. The amino-amide may be formed from a reaction of an amine and an acid anhydride. The fibrous mat in contact with the first substrate layer may be cured to make a fully-cured binder composite. | 06-09-2011 |
20110189479 | FORMALDEHYDE-FREE PROTEIN-CONTAINING BINDER COMPOSITIONS - One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions. | 08-04-2011 |
20120088032 | BUSINESS METHOD FOR BUILDING PERFORMANCE RETROFIT OF EXISTING SINGLE FAMILY RESIDENTIAL HOMES - 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. | 04-12-2012 |
20120152825 | SPUNBOND POLYESTER FIBER WEBS - Provided are spunbond polyester mats using an improved curable composition. The curable composition comprises a reaction product of an amine and a reactant in the form of an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when used as a binder in the mat is cured to form a water-insoluble binder which exhibits good adhesion and thermodimensional stability. | 06-21-2012 |
20120152826 | SPUNBOND POLYESTER MAT WITH BINDER COMPRISING SALT OF INORGANIC ACID - Provided are spunbond polyester mats using an improved curable composition. Such curable composition comprises the reaction product of an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to spunbond polyester continuous filaments is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermodimensional stability. | 06-21-2012 |
20120156953 | CURABLE FIBERGLASS BINDER COMPRISING SALT OF INORGANIC ACID - 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. | 06-21-2012 |
20120156954 | CURABLE FIBERGLASS BINDER - A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. 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. | 06-21-2012 |
20120232218 | CURABLE FIBERGLASS BINDER COMPRISING A POLYACETAL OR POLYKETAL - A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an acid-catalyzed reaction product of an aldehyde or ketone with a multihydric alcohol. When heated, the composition forms polyacetal or polyketal that undergoes curing to form a water-insoluble resin binder which exhibits good adhesion to glass. In a preferred embodiment, maleic anhydride initially serves as a catalyst and subsequently enters into a cross-linking reaction during curing to form a poly(ester-acetal). Also, in a preferred embodiment, the fiberglass is in the form of building insulation. In other embodiments the product can be a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim. | 09-13-2012 |
20120245278 | CURABLE FIBERGLASS BINDER COMPRISING A POLYACETAL OR POLYKETAL - A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an acid-catalyzed reaction product of an aldehyde or ketone with a multihydric alcohol. When heated, the composition forms polyacetal or polyketal that undergoes curing to form a water-insoluble resin binder which exhibits good adhesion to glass. In a preferred embodiment, maleic anhydride initially serves as a catalyst and subsequently enters into a cross-linking reaction during curing to form a poly(ester-acetal). Also, in a preferred embodiment, the fiberglass is in the form of building insulation. In other embodiments the product can be a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim. | 09-27-2012 |
20130123406 | FORMALDEHYDE FREE BINDER COMPOSITIONS FOR FIBROUS MATERIALS - Compositions for binding organic or inorganic fibers is described. The compositions may include an aqueous solution having a pH of about 4.5 or more. The aqueous solution may include a polycarboxy polymer that is about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; and a polyol. The compositions can maintain a pH of about 5 or more after being cured into a thermoset plastic with the fibers. Processes for preparing a binder composition for organic or inorganic fibers are also described. The processes may include providing an aqueous solution of polycarboxylic acid polymers, where the polymers comprise about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; adding a polyol to the aqueous solution; and maintaining the pH of the aqueous solution at about 5 or more. | 05-16-2013 |
20130125783 | FORMALDEHYDE-FREE BINDER COMPOSITIONS AND METHODS OF MAKING THE BINDERS UNDER CONTROLLED ACIDIC CONDITIONS - 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. | 05-23-2013 |
20130133548 | CURABLE FIBERGLASS BINDER COMPRISING SALT OF INORGANIC ACID - 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. | 05-30-2013 |
20130161859 | SIZING COMPOSITIONS, SIZED REINFORCING PRODUCTS AND METHODS FOR MAKING REINFORCED THERMOSET COMPOSITES - Methods are described for activating a glass fiber or flake to participate in polymerizing a resin. The methods may include sizing the glass fiber or flake with a sizing composition that includes a solution containing a polymerization initiator, and activating the polymerization initiator by forming a free radical moiety on the polymerization initiator that can initiate the polymerization of the resin. Additional methods of making a glass reinforced composite are described. The methods may include sizing glass fibers or flakes with a sizing composition that includes a solution containing a polymerization initiator, forming a free radical moiety on the polymerization initiator to make activated glass fibers or flakes, and contacting the activated glass fibers or flakes with a polymer resin. The activated glass fibers or flakes initiate the polymerization of the resin around the glass fibers or flakes to form the glass reinforced composite. | 06-27-2013 |
20130164449 | PRODUCTS, METHODS FOR MAKING REINFORCED THERMOPLASTIC COMPOSITES AND COMPOSITES - Methods of forming multi-component reinforced composites are described. The methods may include forming a particle-reinforced component and a polymer-containing component where the particle-reinforced component and the polymer-containing component are in contact with one another. The particle reinforced component may be formed by a process that includes providing reactive particles that have a reactive polymerization promoter chemically bonded or coated on the surface of the reactive particles and contacting the reactive particles with a resin solution that includes monomers of a polymer. The polymerization promoter chemically bonded or coated on the surface of the reactive particles may promote the polymerization of the monomers. The resin solution may subsequently be polymerized forming a polymer matrix around the reactive particles. | 06-27-2013 |
20130165548 | SIZING COMPOSITIONS AND SIZED PRODUCTS FOR THERMOPLASTIC COMPOSITES - 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. | 06-27-2013 |
20130165585 | METHODS OF MAKING REACTIVE FIBER/FLAKE PREPREGS AND REACTIVE PREPREGS - Prepreg compositions and methods of making them from particles and a binder composition are disclosed. The methods may include placing the particles on a moving conveying belt and applying the binder composition to the particles on the moving conveying belt to form a moving mass. Alternate methods may include first placing the binder composition on the moving conveying belt and then applying the particles to the binding composition to form the moving mass. The methods may further include passing the moving mass through one or more pairs of opposed, compacting rolls, where the particles and the binder composition are pressed into further contact while passing through the compacting rolls to form the prepreg. The binder composition in the prepreg may include monomers and/or oligomers of a polymer that are capable of polymerizing into the polymer under polymerization conditions. | 06-27-2013 |
20130327250 | FORMALDEHYDE FREE BINDER COMPOSITIONS WITH UREA-ALDEHYDE REACTION PRODUCTS - Binder compositions are described that contain (1) a reducing sugar and (2) a reaction product of a urea compound and an aldehyde-containing compound. A specific example of the binder compositions include dextrose and an imidazolidine compound such as 4,5-dihydroxyimidazolidin-2-one. The binder compositions may be applied to collections of fibers and cured to form a fiber-containing composite, such as fiberglass insulation. | 12-12-2013 |
20140027662 | FORMALDEHYDE-FREE BINDER COMPOSITIONS AND METHODS OF MAKING THE BINDERS - Formaldehyde-free binder compositions are described that include an aldehyde or ketone, an organic anhydride, an alkanol amine, and a nitrogen-containing salt of an inorganic acid. The binder compositions may be applied to fibers, such as glass fibers, to make formaldehyde-free, fiber-reinforced composites. Methods of making fiber-reinforced composites are also described, where such methods may include mixing an alkanol amine with an organic anhydride to make a first mixture, and adding a reducing sugar to the first mixture to make a second mixture. A nitrogen-containing salt may be added to the second mixture to make a binder composition, which may be applied to fibers to form a binder-fiber amalgam. The amalgam may be heated to cure the binder composition and form the fiber-reinforced composite. | 01-30-2014 |
20140134497 | SOY PROTEIN AND CARBOHYDRATE CONTAINING BINDER COMPOSITIONS - Soy protein and carbohydrate containing binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a soy protein. The binder compositions may also optionally include thickening agents such as modified celluloses and polysaccharides. | 05-15-2014 |
20140134909 | VISCOSITY MODIFIED FORMALDEHYDE-FREE BINDER COMPOSITIONS - Viscosity-modified carbohydrate binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a thickening agent. The binder compositions may have a Brookfield viscosity of 7 to 50 centipoise at 20° C. The thickening agents may include modified celluloses such as hydroxyethyl cellulose (HEC) and carboxymethyl cellulose (CMC), and polysaccharides such as xanthan gum, guar gum, and starches. | 05-15-2014 |
20140155529 | FORMALDEHYDE-FREE BINDER COMPOSITIONS FOR FIBROUS MATERIAL - Compositions for binding organic or inorganic fibers is described. The compositions may include an aqueous solution having a pH of about 4.5 or more. The aqueous solution may include a polycarboxy polymer that is about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; and a polyol. The compositions can maintain a pH of about 5 or more after being cured into a thermoset plastic with the fibers. Processes for preparing a binder composition for organic or inorganic fibers are also described. The processes may include providing an aqueous solution of polycarboxylic acid polymers, where the polymers comprise about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; adding a polyol to the aqueous solution; and maintaining the pH of the aqueous solution at about 5 or more. | 06-05-2014 |
20140158288 | POLYMERIC FIBER WEBS WITH BINDER COMPRISING SALT OF INORGANIC ACID - Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermodimensional stability. | 06-12-2014 |
20140308453 | REDUCED SALT PRECIPITATION IN CARBOHYDRATE CONTAINING BINDER COMPOSITIONS - Aqueous binder compositions with reduced rates of salt precipitation are described. The compositions may include a carbohydrate and a sequestrant for sequestering one or more multivalent ions (e.g., Ca | 10-16-2014 |
20150031259 | FORMALDEHYDE-FREE PROTEIN-CONTAINING BINDER COMPOSITIONS - One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions. | 01-29-2015 |