A binder is applied to fibers to bind particles to the fibers. The fibers have hydrogen bonding functional groups. The particles have functional groups capable of forming a hydrogen bond or a coordinate covalent bond. The binder comprises binder molecules, the binder molecules having at least one fu
A binder is applied to fibers to bind particles to the fibers. The fibers have hydrogen bonding functional groups. The particles have functional groups capable of forming a hydrogen bond or a coordinate covalent bond. The binder comprises binder molecules, the binder molecules having at least one functional group that is capable of forming a hydrogen bond or a coordinate covalent bond with the particles, and at least one functional group that is capable of forming a hydrogen bond with the fibers. A substantial portion of the particles that are adhered to the fibers are adhered in particulate form by hydrogen bonds or coordinate covalent bonds to the binder, and the binder is in turn adhered to the fibers by hydrogen bonds. Fibers containing particles bound by this method are easily densified.
대표청구항▼
[ We claim:] [1.] A fibrous product comprising:a wet-laid web of fibers having hydrogen bonding functionality; anda non-polymeric binder comprising binder molecules within the web, the binder molecules having at least one functional group capable of forming a hydrogen bond or a coordinate covalent b
[ We claim:] [1.] A fibrous product comprising:a wet-laid web of fibers having hydrogen bonding functionality; anda non-polymeric binder comprising binder molecules within the web, the binder molecules having at least one functional group capable of forming a hydrogen bond or a coordinate covalent bond with particles having a hydrogen bonding or a coordinate covalent bond forming functionality, and at least one functional group capable of forming a hydrogen bond with the fibers, the binder functional group selected from the group consisting of a carboxyl, a carboxylate, a carbonyl, a sulfonic acid, a sulfonate, a phosphate, a phosphoric acid, a hydroxyl, an amide, an amino, and combinations thereof, the fibers and binder being in a form shippable for processing to form hydrogen or coordinate covalent bonds between the binder and a particle having hydrogen bond or coordinate covalent bond forming functionality. [9.] A fibrous product comprising:an air laid mass of high bulk fibers, the fibers having hydrogen bonding functionality; anda non-polymeric binder comprising binder molecules within the mass, the binder molecules having at least one functional group capable of forming a hydrogen bond or a coordinate covalent bond with particles having a hydrogen bonding or a coordinate covalent bond forming functionality, and at least one functional group capable of forming a hydrogen bond with the fibers, the binder functional groups selected from the group consisting of a carboxyl, a carboxylate, a carbonyl, a sulfonic acid, a sulfonate, a phosphate, a phosphoric acid, a hydroxyl, an amide, an amino, and combinations thereof, the fibers and binder being in a form shippable for processing to form hydrogen or coordinate covalent bonds between the binder and a particle having hydrogen bond or coordinate covalent bond forming functionality. The fibrous product of claim 9, wherein the binder functional groups are selected from the group consisting of a carboxyl, a carboxylate, a carbonyl, a sulfonic acid, a sulfonate, a phosphate, a phosphoric acid, an amide, an amino, and combinations thereof. The fibrous product of claim 9, wherein the non-polymeric binder is selected from the group consisting of glycerin, sorbitol, propylene glycol, and carboxylic acids. The fibrous product of claim 9, wherein the non-polymeric binder is selected from the group consisting of sorbitol, propylene glycol, and carboxylic acids. The fibrous product of claim 9, wherein the binder functional groups are selected from the group consisting of a sulfonic acid, a sulfonate, a phosphoric acid, a phosphate, an amide, an amine, and combinations thereof. The fibrous product of claim 9, wherein the non-polymeric binder is present in an amount from about 1 to about 40% based on the weight of the fiber and binder. The fibrous product of claim 9, wherein the fibers comprise wood pulp. A fibrous product comprising:a wet-laid web of high bulk fibers, the fibers having hydrogen bonding functionality; anda non-polymeric binder comprising binder molecules within the web, the binder molecules having at least one functional group capable of forming a hydrogen bond or a coordinate covalent bond with particles having a hydrogen bonding or a coordinate covalent bond forming functionality, and at least one functional group capable of forming a hydrogen bond with the fibers, the binder functional groups selected from the group consisting of a carboxyl, a carboxylate, a carbonyl, a sulfonic acid, a sulfonate, a phosphate, a phosphoric acid, a hydroxyl, an amide, an amino, and combinations thereof, the fibers and binder being in a form shippable for processing to form hydrogen or coordinate covalent bonds between the binder and a particle having hydrogen bond or coordinate covalent bond forming functionality. The fibrous product of claim 16, wherein the binder functional groups are selected from the group consisting of a carboxyl, a carboxylate, a carbonyl, a sulfonic acid, a sulfonate, a phosphate, a phosphoric acid, an amide, an amino, and combinations thereof. The fibrous product of claim 16, wherein the non-polymeric binder is selected from the group consisting of glycerin, sorbitol, propylene glycol, and carboxylic acids. The fibrous product of claim 16, wherein the non-polymeric binder is selected from the group consisting of sorbitol, propylene glycol, and carboxylic acids.
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