406 results about "Fiber composition" patented technology

Well treatment is disclosed that includes injecting a well treatment fluid with insoluble polyol polymer such as polyvinyl alcohol (PVOH) dispersed therein, depositing the insoluble polymer in the wellbore or an adjacent formation, and thereafter dissolving the polymer by reducing salinity and / or increasing temperature conditions in the environment of the polymer deposit. The method is disclosed for filter cake formation, fluid loss control, drilling, hydraulic fracturing and fiber assisted transport, where removal of the polyol at the end of treatment or after treatment is desired. The method is also disclosed for providing dissolved polyol as a delayed breaker in crosslinked polymer viscosified systems and viscoelastic surfactant systems. Also disclosed are well treatment fluids containing insoluble amorphous or at least partially crystalline polyol, and a PVOH fiber composition wherein the fibers are stabilized from dissolution by salinity.

The carbon fibers of this invention is characterized in that irreducible inorganic material particles in a mean primary particle size below 500 nm and reducible inorganic material particles in a mean primary particle size below 500 nm were mixed by pulverizing and then, the mixture was heat treated under the reducing atmosphere and metal particles in a mean particle size below 1 μm were obtained, and the mixed powder of the thus obtained metal particles with the irreducible inorganic material particles are included in the carbon fibers.

The various embodiments of the present invention relate to compositions, apparatus, and methods comprising sorbent fibers. More particularly, various embodiments of the present invention are directed towards sorbent fiber compositions for temperature swing adsorption processes. Various embodiments of the present invention comprise sorbent fiber compositions, apparatus comprising a plurality of sorbent fibers, and methods of using the same for the capture of at least one component from a medium, for example CO2 from flue gas.

Compositions which provide slowly digestible starch and a source of fermentable dietary fiber. Microparticles in which starch is entrapped in a crosslinked matrix to provide dietary benefit. Such microparticles are used to deliver glucose to targeted regions in the small intestine for beneficial physiological effects, and fermentable dietary fiber to the colon to improve colon health and to treat diseases of the colon. Microparticles can be employed to selectively deliver fermentable dietary fiber to targeted portions of the colon. A method for making the microparticles is provided as well as methods for using the microparticles for controlled digestion of starch on ingestion in the small intestine and methods for using the microparticles to deliver dietary fiber. The microparticles with entrapped starch provide a low glycemic index and extended glucose release in food products and food ingredients. The microparticles with entrapped starch can, in particular, be used as an ingredient in foods that are to be cooked.

The present invention relates to fiber compositions comprising gels or hydrogels. The invention further relates to the composition of a gel or hydrogel loaded biodegradable fiber and methods of fabricating such fibers. The present invention further provides tissue engineering and drug-delivery compositions and methods wherein three-dimensional matrices for growing cells are prepared for in vitro and in vivo use. The invention also relates to methods of manipulating the rate of therapeutic agent release by changing both the biodegradable polymer properties as well as altering the properties of the incorporated gel or hydrogel.

Disclosed are ready-to-eat puffed dried food products that are high both in protein and in fiber. The cereals contain sufficient amounts of at least one protein ingredient to provide a total protein content about 50% to 75% (dry weight) of the cooked food product; sufficient amounts of at least one dietary fiber ingredient to provide a total fiber content of about 1-45% (dry weight); and sufficient amounts of a starch containing ingredient to provide a starch content of about 5-45%. The food products have a crush strength raging from about 0.25 to 3.5 kg / cm3.

Various high performance, high efficiency, long service interval air filter media that are cost effective and easy to manufacture are provided. The filter media of the present invention can have at least two layers comprising blends of binder and non-binder fibers that are thermally bonded to one another and set to caliper in a high velocity forced draft oven. The layers can also be subsequently resin saturated, dried, and optionally cured. The resulting media can be characterized as having a gradient in properties such as fiber composition, fiber diameter, solidity, basis weight, and saturant content.

The present invention describes polymeric retention and drainage aids for cellulosic fiber compositions and methods of use of the same.

The various embodiments of the present invention relate generally to sorbent fiber compositions. More particularly, various embodiments of the present invention are directed towards sorbent fibers for pressure swing and temperature swing adsorption processes. Various embodiments of the present invention comprise a sorbent composition, comprising a fiber comprising a plurality of tortuous pathways; and a sorbent material, wherein the sorbent material is in fluid communication with at least a portion of the plurality of tortuous pathways. Aspects of the present invention comprise compositions, devices and methods of using sorbent fiber compositions.

Paper based on a fiber composition and having at least one multitone-effect watermark. When observed in transmitted light, the watermark has a set of pale zones arranged in the manner of a screened image.

The present invention relates to compositions comprising complexes of human cells and polymer fibers and methods of their use for therapeutic purposes. Methods of making such compositions are also provided. The present invention encompasses compositions comprising poly-β-1→4-N-acetylglucosamine polymers and stored platelets and their use for promoting wound healing and achieving hemostasis.

The present invention is directed to a fiber composition useful for fire blocking; a high loft web structure made from such fiber composition and a process for making such web structure; and a fire blocked article such as a mattress or furniture incorporating such high loft web structure and a method for fireblocking said articles; the fiber composition comprising (a) 1 to 20 parts by weight p-aramid fibers, (b) 20 to 60 parts by weight regenerated cellulose fibers containing silicic acid, and (c) 10 to 60 parts by weight polyester fibers, (d) up to 20 parts by weight binder material wherein the total of (a), (b), (c) and (d) is on a basis of 100 parts by weight.

The present invention generally relates to specific combinations of active particles, forming a powder, that may be combined with carrier materials such as resins to produce fibers for textiles, films, coatings, and / or protective or insulating materials. The specific mixture of particles and materials may be carefully engineered to impart unique and valuable properties to end products including integration with optical energies, heat, and other electromagnetic energies. Resultant compositions may interact with light in the visible spectrum and optical and electromagnetic energy beyond the visible spectrum.

The present invention relates to compositions comprising complexes of human cells and polymer fibers and methods of their use for therapeutic purposes. Methods of making such compositions are also provided. The presen t invention encompasses compositions comprising poly-.beta.-1.fwdarw.4-N-acetylglucosamine polymers and stored platelets and their use for promoting wound healing and achieving hemostasis.

The present invention is directed to a fiber composition useful for fire blocking; a high loft web structure made from such fiber composition and a process for making such web structure; and a fire blocked article such as a mattress or furniture incorporating such high loft web structure and a method for fireblocking said articles; the fiber composition comprising (a) 1 to 20 parts by weight p-aramid fiber, (b) 5 to 30 parts by weight regenerated cellulose fiber containing silicic acid, and (c) 10 to 40 parts by weight modacrylic fiber, (d) 10 to 60 parts by weight polyester fiber, (e) up to 20 parts by weight binder material wherein the total of (a), (b), (c), (d) and (e) is on a basis of 100 parts by weight.

A method of improving retention and drainage comprising adding a water compatible hydrophobic copolymer to a papermaking slurry is disclosed. A composition comprising a water compatible hydrophobic copolymer is described.

The invention relates to blended yarn which contains wool, pearl fiber, modal fibre and viscose, and a machining method thereof. The blended yarn is composed of wool, pearl fiber, modal fibre and viscose with the mass ratio as the following: wool 10-15%, pearl fiber 20-30%, modal fibre 30-35% and viscose 25-30%. The blended yarn can be in pure white, bleached to be white, gray, apricot, pinkish purple, or in other colors. The performance index meets the requirements that the single yarn rupture strength is 12.5-19.5cN / tex, the CV value of single yarn rupture strength is less than or equal to 6.0% and the CV value of yarn evenness variation coefficient is less than or equal to 15%. The processing method includes the following steps: dyeing according to the tinctorial pattern of a matching card (used for producing colored yarn), manually mixing the cotton and baling; grabbing the cotton through a disc, blending and opening the cotton, opening the cotton through carding pins, feeding cotton in the vibrating mode, single beater scutching, combing the cotton, drawing, roving, spinning, winding and packing.

The invention discloses anti-seepage, anti-freeze-thaw self-compacting concrete and a preparation method thereof. The anti-seepage, anti-freeze-thaw self-compacting concrete comprises the following components in parts by weight: 350-370 parts of cement, 25-45 parts of fly ash, 25-35 parts of modified metakaolin, 30-50 parts of mineral powder, 770-800 parts of medium sand, 810-830 parts of crushedstone, 20-40 parts of silica fume, 170-180 parts of water, 1-3 parts of a water reducing agent, 20-34 parts of an expansion agent, 2-6 parts of an air entraining agent, and 10-20 parts of a fiber composition, wherein the fiber composition is prepared by mixing a modified polyester fiber, a basalt fiber and a polyacrylonitrile fiber in a mass ratio of 1:0.6-0.9:0.3-0.6. The anti-seepage, anti-freeze-thaw self-compacting concrete has the advantages of good workability and fluidity, and excellent anti-seepage performance and anti-freezing performance.

The invention relates to a high-temperature-resistant cellulase producing bacterium and application thereof, and belongs to the technical field of microbiological screening and application. The strain is separated from a mixture of cow dung and straw in an earthworm farm, identified as bacillus subtilis, named as AW1601 and preserved in the China General Microbiological Culture Collection Center on June 24, 2016, and the number is CGMCC No.12650. The strain has the high cellulase producing capacity at the high culture temperature of 50 DEG C to 55 DEG C, the fermentation cycle is short in liquid and solid environments, the degrading degree of straw substrates is high, the problems that a cellulase preparation is high in cost, a high temperature composting strain is low in activity, and the fiber composition degrading rate of the substrates is low when an edible fungus culture medium or coarse fodder is prepared are well solved, and the strain can serve as a novel cellulase producing bacterium and be widely used for recycling agricultural biomass solid waste.

A layered composition which can be used in various processes has been developed. The composition comprises an inner core such as a cordierite core and an outer layer comprising a refractory inorganic oxide, a fibrous component and an inorganic binder. The refractory inorganic oxide layer can be alumina, zirconia, titania, etc. while the fibrous component can be titania fibers, silica fibers, carbon fibers, etc. The inorganic oxide binder can be alumina, silica, zirconia, etc. The layer can also contain catalytic metals such as gold and platinum plus other modifiers. The layered composition is prepared by coating the inner core with a slurry comprising the refractory inorganic oxide, fibrous component, an inorganic binder precursor and an organic binding agent such as polyvinyl alcohol. The composition can be used in various hydrocarbon conversion processes including production of vinyl acetate.

The present invention relates to a containerboard packaging material comprising at least one non-wood alternative pulp material wherein said non-wood alternative pulp material is present in an amount of from about 5% to about 100% and wherein said material replaces at least a portion of conventional fiber materials.

The invention discloses a colorful fluorescent fabric. The fabric comprises an outer layer and an inner layer, wherein the outer layer contains color-changing fluorescent fibers in fabric fibers; the inner layer is a textile fabric layer; and a preparation process of the fabric is a knitting process. The invention discloses a colorful fluorescent fabric which has a reasonable structure; through using special fiber component in the outer layer of the fabric, the fabric can release multiple colors while irradiated by sun lights and has a fluorescent effect in the dark; and the color-changing fluorescent fibers are supplied with energy through absorbing sun light to obtain long fluorescent time; meanwhile, good air permeability and elasticity are assured for the fabric through the textile fibers of the inner layer and the fabric is very widely applied.

A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaCl greater than 0.75 and a storage modulus (G′) for a 1.5 wt. % actives polymer solution at 4.6 Hz greater than 175 Pa.

The invention belongs to the technical field of glass fiber and relates to an enhancement type spinning high-strength and high-modulus glass fiber composition applied to the fields of electromechanics, chemical engineering, aircrafts and the like. The enhancement type spinning glass fiber composition is prepared from, by weight, 56-65% of SiO2, 15-21% of Al2O3, 9-18% of MgO, 5-13% of CaO, 0.1-4% of Y2O3, 0-0.8% of Li2O, 0.1-1% of K2O+Na2O, and 3% or less of other impurities. The enhancement type glass fiber composition is prepared through a tank furnace technological process, by means of optimization and combination of the oxide components and particularly the introduction of Y2O3, the melting temperature, the clarification temperature and the shaping temperature of the enhancement type glass fiber composition are reduced under the situation that high strength and high modulus are guaranteed, the temperature difference between the shaping temperature and the liquidus temperature is increased, the wiredrawing situation is improved, and the enhancement type glass fiber composition is beneficial to the industrial production of high-strength and high-modulus fibers.

The invention discloses high-strength impervious concrete and a preparation method thereof. the high-strength impervious concrete comprises the following components in parts by weight: 320-350 parts of cement, 120-150 parts of fly ash, 65-95 parts of mineral powder, 850-900 parts of crushed stone, 820-850 parts of medium sand, 2-6 parts of a water reducing agent, 170-190 parts of water, 10-26 parts of an impervious composition, and 100-120 parts of a coarse aggregate, wherein the impervious composition comprises the following components in parts by weight: 10-25 parts of modified rubber particles, 15-25 parts of a fiber composition, 20-30 parts of steel slag, 10-15 parts of boron trioxide, 15-25 parts of gypsum, and 10-15 parts of superabsorbent resin, and the fiber composition comprises carbon fiber, polypropylene fiber, calcium formate and polyamide with a mass ratio of 1:0.7-1.4:0.4-0.8:1.5-2.5. The high-strength impervious concrete has the advantages of high strength, good impermeability and easy pumping.