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1831results about "Non-macromolecular organic addition" patented technology
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Poly (vinyl alcohol) - based formaldehyde-free curable aqueous composition
A formaldehyde-free curable aqueous composition containing polyvinyl alcohol, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition may be used as a binder for non-woven products such as fiberglass insulation. The non-woven products are formed by contacting the formaldehyde-free curable aqueous composition with fibrous components and the mixture is cured to form a rigid thermoset polymer providing excellent strength and water resistance of the cured nonwoven product.
Owner:ARCLIN USA
Method and composition for the sizing of paper with a mixture of a polyacid and a polybase
InactiveUS6171444B1Easy to produceHigh color fastnessNatural cellulose pulp/paperSpecial paperHueWater resistant
Compositions and methods are provided for the sizing of paper, to enhance the quality of images printed thereon. The novel sizing compositions contain as a sizing agent a mixture of a polyacid and a polybase. When applied to a paper substrate, such as in an internal or external sizing process, the sizing compositions result in a sized paper substrate that provides high quality printed images when printed with an ink containing a reactive dye having ionizable and / or nucleophilic groups capable of reacting with the sizing agent. Images printed on a paper substrate coated with the sizing compositions of the invention are bleed-resistant, water-resistant (e.g., water-fast), and / or are characterized by an enhanced chroma and hue.
Owner:SRI INTERNATIONAL
Soft, bulky single-ply tissue having low sidedness and method for its manufacture
The present invention relates to a soft, thick, single-ply tissue and to a process for the manufacture of such tissue product having a basis weight of at least about 15 lbs. / 3,000 square foot ream and having low sidedness, said tissue exhibiting: a specific total tensile strength of between 40 and 75 grams per 3 inches per pound per 3000 square feet ream, a cross direction specific wet tensile strength of between 2.75 and 7.5 grams per 3 inches per pound per 3000 square feet ream, the ratio of MD tensile to CD tensile of between 1.25 and 2.75, a specific geometric mean tensile stiffness of between 0.5 and 1.2 grams per inch per percent strain per pound per 3000 square feet ream, a friction deviation of less than 0.225, and a sidedness parameter of less than 0.275.
Owner:GEORGIA PACIFIC CONSUMER PRODS LP
Blends of glyoxalated polyacrylamides and paper strengthening agents
Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper strengthening agent, preferably a wet strengthening agent. The other component is a stabilized polyacrylamide prepared by (1) reacting a first portion of glyoxal with a polyacrylamide having pendant amide groups to form a first reaction mixture comprising polyacrylamide; (2) adding an acid to the first reaction mixture to form a second reaction mixture having a reduced pH and comprising the polyacrylamide; and (3) adding a second portion of glyoxal to the second reaction mixture to form the stabilized polyacrylamide. If desired, an aldehyde scavenger can be included in one or more of step (1), step (2), step (3), or the stabilized polyacrylamide. Such compositions can be used to enhance the strength of paper, particularly the wet strength of paper.
Owner:ECOLAB USA INC
Method for increasing the strength of a cellulosic product
InactiveUS7090745B2Increased amine contentSure easyNatural cellulose pulp/paperSpecial paperCellulosePolymer science
A composition includes at least one hydrophilic polymer containing primary (—NH2) and / or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of contacting the paper with a composition comprising (i) at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function. A hydrogel composition is formed from a mixture of at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function.
Owner:UNIVERSITY OF PITTSBURGH +1
Method of using aldehyde-functionalized polymers to enhance paper machine dewatering
InactiveUS20050161181A1Accelerates the dehydration processNatural cellulose pulp/paperSpecial paperFiberPaper sheet
A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb / ton to about 15 lb / ton, based on dry fiber, of one or more aldehyde functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000.
Owner:ECOLAB USA INC
Cellulose-reinforced high mineral content products and methods of making the same
ActiveUS20120080156A1Great filler fixationStrengthen and consolidateSpecial paperPaper after-treatmentCelluloseFiber
A method to prepare aqueous furnishes useful as feedstock in the manufacture of very high-mineral content products, particularly paper sheets having mineral filler content up to 90% that display the required physical properties for the intended applications; the furnishes comprise fibrillated long fibres / mineral fillers mixed with anionic acrylic binders and co-additives, in presence or absence of cellulose fibrils; the fibrillated long fibres and cellulose fibrils provide high surface area for greater filler fixation and the reinforcement backbone network that ties all of the product components together; the anionic binders allow rapid and strong fixation of filler particles onto the surfaces of fibrils when mixing is conducted at temperatures higher than the glass transition temperature (Tg) of the binder. The aqueous furnish provides excellent filler retention and drainage during product fabrication.
Owner:FPINNOVATIONS INC
Printed, soft, bulky single-ply absorbent paper having a serpentine configuration and low sidedness and methods for its manufacture
InactiveUS6299729B1Good flexibilityLow sidednessNanotechNatural cellulose pulp/paperGramUltimate tensile strength
The present invention relates to a soft, thick, single-ply, printed, absorbent paper product having a Yankee side and an air side wherein the absorbent paper is printed on before or after embossing on the Yankee side, air side, or both sides, said absorbent paper exhibiting a serpentine configuration. This inventions also relates to a process for the manufacture of such absorbent paper product having a basis weight of at least about 12.5 lbs. per 3000 square foot ream and having low sidedness, said tissue exhibiting:a specific total tensile strength of between 40 and 200 grams per 3 inches per pound per 3000 square foot ream, a cross direction specific wet tensile strength of between 2.75 and 20.0 grams per 3 inches per pound per 3000 square foot ream, the ratio of MD tensile to CD tensile of between 1.25 and 2.75, a specific geometric mean tensile stiffness of between 0.5 and 3.2 grams per inch per percent strain per pound per 3000 square foot ream, a friction deviation of less than 0.250, and a sidedness parameter of less than 0.30. These single-ply, printed, absorbent paper products in the form of unembossed or embossed single-ply bathroom tissue, facial tissue, or napkin are useful articles of commerce. The single-ply absorbent paper products exhibit a printed sidedness value of DELTAE of less than 2.
Owner:GPCP IP HLDG LLC
High Solids Glyoxalated Polyacrylamide
ActiveUS20080308242A1High solids glyoxalatedHigh strengthNatural cellulose pulp/paperSpecial paperPapermakingWet strength
Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.
Owner:BUCKMAN LAB INT INC
Curable fiberglass binder
ActiveUS20110039111A1Good adhesion to glassImprove adhesionNon-macromolecular organic additionPretreated surfacesGlass fiberWater insoluble
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.
Owner:JOHNS MANVILLE CORP
Method of using aldehyde-functionalized polymers to enhance paper machine dewatering
A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb / ton to about 15 lb / ton, based on dry fiber, of one or more aldehyde functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000.
Owner:ECOLAB USA INC
Method of making soft bulky single ply tissue
InactiveUS6368454B1Better cleansingFine surfaceNatural cellulose pulp/paperMechanical working/deformationUltimate tensile strengthMonolayer
Owner:GPCP IP HLDG LLC
Composition and recording sheet with improved optical properties
ActiveUS20090317549A1Good optical performanceImprove printing effectNatural cellulose pulp/paperSpecial paperOptical propertyDivalent metal
Owner:GLOBAL HLDG II INC
Printed, soft, bulky single-ply absorbent paper having a serpentine configuration and low sidedness
Owner:GPCP IP HLDG LLC
Machine and treatment process via chromatogenous grafting of a hydroxylated substrate
ActiveUS20130236647A1DissipationWater-repelling agents additionNon-macromolecular organic additionGraft reactionPulp and paper industry
The invention relates to a machine for chromatogenous grafting treatment of a scrolling substrate (S) having a hydroxylated face (Fh), comprising:an application device (3) of a grafting reagent on the hydroxylated face (Fh) of the substrate,a heating roller (4) for the development of the grafting reaction on the hydroxylated face (Fh) of the substrate, said roller (4) being provided with a bar-end system (5a, 5b) for applying a face of the substrate (S) against said heating roller (4),an extraction device (6) of the hydrochloric acid produced during the grafting reaction,an application device (7) of an air knife on the treated face of the substrate for eliminating the residual grafting reagent.The invention also relates to a chromatogenous grafting process used in said machine.
Owner:CENT NAT DE LA RECHERCHE SCI +1
Blends of glyoxalated polyacrylamides and paper strengthening agents
ActiveUS20060037727A1Improve stabilityReadily break down during repulpingNatural cellulose pulp/paperSpecial paperWet strengthGlyoxal synthesis
Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper strengthening agent, preferably a wet strengthening agent. The other component is a stabilized glyoxalated polyacrylamide prepared by (1) reacting a first portion of glyoxal with a polyacrylamide having pendant amide groups to form a first reaction mixture comprising glyoxalated polyacrylamide; (2) adding an acid to the first reaction mixture to form a second reaction mixture having a reduced pH and comprising the glyoxalated polyacrylamide; and (3) adding a second portion of glyoxal to the second reaction mixture to form the stabilized glyoxalated polyacrylamide. If desired, an aldehyde scavenger can be included in one or more of step (1), step (2), step (3), or the stabilized glyoxalated polyacrylamide. Such compositions can be used to enhance the strength of paper, particularly the wet strength of paper.
Owner:ECOLAB USA INC
Curable fiberglass binder
ActiveUS20120156954A1Good adhesion to glassImprove adhesionMaterial nanotechnologyStarch adhesivesGlass fiberWater insoluble
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.
Owner:JOHNS MANVILLE CORP
Aqueous dispersions of hydrophobic material
InactiveUS6165259AImprove stabilityLow viscosityNatural cellulose pulp/paperSpecial paperHydrophobeOrganic compound
The invention relates to an aqueous dispersion containing a dispersant and a disperse phase containing a hydrophobic material, the dispersant comprising an anionic compound having a molecular weight less than 50,000 and being selected from the group consisting of carbon-containing compounds and silicon-containing compounds, and a cationic organic compound having a molecular weight less than 50,000. The invention further relates to the preparation and use of the dispersion in the production of paper. The invention also relates to a substantially water-free composition containing a hydrophobic material, an anionic compound having a molecular weight less than 50,000 and being selected from carbon-containing compounds and silicon-containing compounds, and a cationic organic compound having a molecular weight less than 50,000, as well as it use in the preparation of an aqueous dispersion.
Owner:AKZO NOBEL NV
Blends of glyoxalated polyacrylamides and paper strengthening agents
Owner:ECOLAB USA INC
Tissue products having uniformly deposited hydrophobic additives and controlled wettability
InactiveUS6949167B2Improve propertiesAcceptable wettability characteristicBiocideNatural cellulose pulp/paperChemistryWetting
Tissue products are disclosed that contain a hydrophobic additive, such as a polysiloxane. In accordance with the present invention, the tissue products are further treated with a wetting agent. The wetting agent may be applied after application of the hydrophobic additive to one or more surfaces of the base sheet. The wetting agent improves the wettability properties of the base sheet.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Paste containing nanoscale powder and dispersant and dispersion made therefrom
InactiveUS20070199477A1Low VOCHigh filling levelGroup 4/14 element organic compoundsPigmenting treatmentWater contentMaterials science
A paste is provided having as solid phase at least one nanoscale powder and as liquid phase at least one dispersant, wherein the fraction of the nanoscale powder is 30% to 95% by weight and the fraction of the liquid phase is at least 5% by weight, based in each case on the total amount of the paste, the paste has a water content of less than 3% by weight of water and the liquid phase has a VOC content of less than 10 g / l, and the use of the paste in preparing dispersions, the dispersions prepared thereby, and use in a variety of other enduses.
Owner:EVONIK DEGUSSA GMBH
Material for odor control
The present invention is directed to materials containing an enzyme inhibitor, including treated fibers, nonwovens, functional particles and processes for making these materials. These materials are useful in reducing or delaying onset of odor generation from various waste materials including human and animal elimination products.
Owner:BUCKEYE TECH INC
Low viscosity bilayer disrupted softening composition for tissue paper
InactiveUS6855229B2Good flexibilityAcceptable strengthNatural cellulose pulp/paperSpecial paperCelluloseAmmonium compounds
Disclosed is a composition for softening a wet laid cellulosic structure. A particularly preferred structure is an absorbent tissue. Further disclosed are tissue structures softened using the composition. The composition includes an effective amount of a softening active ingredient; a vehicle in which the softening active ingredient is dispersed; an electrolyte dissolved in the vehicle; and a bilayer disrupter. The electrolyte and the bilayer disrupter cooperate to cause the viscosity of the composition to be less than the viscosity of a dispersion of the softening active ingredient in the vehicle alone. Preferably, the softening active ingredient is a quaternary ammonium compound with the formula:(R1)4-m—N+—[(CH2)n—Y—R3]mX−the vehicle is water, the electrolyte is calcium chloride, and the bilayer disrupter is a nonionic surfactant. Also disclosed is a method of using the compound by adding it at a use concentration to the wet end of a papermaking process.
Owner:THE PROCTER & GAMBLE COMPANY
Binders curable at room temperature with low blocking
ActiveUS20060014884A1Without imparting objectionable odorEasy to prepareNatural cellulose pulp/paperPaper after-treatmentRoom temperaturePaper towel
Topically-applied binder materials for imparting wet strength to soft, absorbent paper sheets, such as are useful as household paper towels and the like, include an azetidinium-reactive polymer, such as a carboxyl-functional polymer, an azetidinium-functional polymer and, optionally, a component useful for reducing sheet-to-sheet adhesion (blocking) in the product. These binder materials can be cured at ambient temperature over a period of days and do not impart objectionable odor to final product when wetted.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Soft, bulky single-ply tissue having a serpentine configuration and low sidedness and method for its manufacture
InactiveUS6277467B1Natural cellulose pulp/paperMechanical working/deformationGramUltimate tensile strength
The present invention relates to a soft, thick, single-ply tissue having a serpentine configuration and to a process for the manufacture of such tissue product having a basis weight of at least about 15 lbs. / 3,000 square foot ream and having low sidedness, said tissue exhibiting:a specific total tensile strength of between 40 and 75 grams per 3 inches per pound per 3000 square feet ream, a cross direction specific wet tensile strength of between 2.75 and 7.5 grams per 3 inches per pound per 3000 square feet ream, the ratio of MD tensile to CD tensile of between 1.25 and 2.75, a specific geometric mean tensile stiffness of between 0.5 and 1.2 grams per inch per percent strain per pound per 3000 square feet ream, a friction deviation of less than 0.225, and a sidedness parameter of less than 0.275.
Owner:GEORGIA PACIFIC CONSUMER PRODS LP
Paper softening compositions containing low levels of high molecular weight polymers and soft tissue paper products comprising said compositions
Disclosed is a composition suitable for atomizing without excessive aerosolization in the form of an oil-in-water emulsion comprising: a) a continuous aqueous phase, and b) a discontinuous oil phase wherein the rheology of the aqueous phase is modified by the addition of a water-in-oil emulsion comprising: i) a high molecular weight polymer in a discontinuous aqueous phase, and ii) a continuous organic solvent phase. Preferred embodiments of the present invention relate to compositions for softening an absorbent paper tissue comprising a) a quaternary ammonium softening active ingredient; b) an electrolyte; c) a high molecular weight polymer emulsion comprising: i) from about 20% to about 40% by weight of the premix of a high molecular weight polymer; ii) from about 40% to about 60% of water; and iii) from about 20% to about 40% of an organic solvent; and d) a vehicle in which said softening active ingredient is dispersed.
Owner:THE PROCTER & GAMBLE COMPANY
Method of monitoring surface associated microbiological activity in process streams
Owner:ECOLAB USA INC
Modified creping adhesive composition and method of use thereof
ActiveUS7404875B2Soften and/or plasticize the creping adhesiveNatural cellulose pulp/paperMechanical working/deformationPulp and paper industryPolymer science
A modified creping adhesive composition, comprising an adhesive component and at least one terpene modifier, and its use in the production of creped paper products by a process which includes the steps of adhering a paper web to the surface of a drying cylinder and separating the paper web from the drying cylinder with a creping blade.
Owner:GPCP IP HLDG LLC
Blends of glyoxalated polyacrylamides and paper strengthening agents
ActiveUS7488403B2Improve stabilityReadily break down during repulpingNatural cellulose pulp/paperSpecial paperScavengerSide chain
Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper strengthening agent, preferably a wet strengthening agent. The other component is a stabilized glyoxalated polyacrylamide prepared by (1) reacting a first portion of glyoxal with a polyacrylamide having pendant amide groups to form a first reaction mixture comprising glyoxalated polyacrylamide; (2) adding an acid to the first reaction mixture to form a second reaction mixture having a reduced pH and comprising the glyoxalated polyacrylamide; and (3) adding a second portion of glyoxal to the second reaction mixture to form the stabilized glyoxalated polyacrylamide. If desired, an aldehyde scavenger can be included in one or more of step (1), step (2), step (3), or the stabilized glyoxalated polyacrylamide. Such compositions can be used to enhance the strength of paper, particularly the wet strength of paper.
Owner:ECOLAB USA INC
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