221 results about "Fiber composition" patented technology

A process for chemically recycling waste polyethylene terephthalate (PET) carpet fibers. The process comprises providing a waste carpet fiber composition comprising at least 75 wt % of PET and 6 wt % or less of ash; reacting the waste carpet fiber composition with methanol to produce a depolymerized poly ester mixture comprising polyester oligomers, dimethyl terephthalate (DMT), and ethylene glycol (EG); and recovering the DMT and the EG from the depolymerized polyester mixture.

The invention relates to the technical field of geopolymers, and particularly discloses a PVA fiber toughened geopolymer and a preparation method thereof. Comprising the following steps: mixing fly ash, slag, coarse aggregate and fine aggregate for 1-2min, adding an alkali-activated liquid, stirring for 1-2min, adding a PVA fiber composition, and mixing for 1-2min to obtain a PVA fiber toughened geopolymer; the addition amount of the PVA fiber composition is 2-3.5% of the mass of the PVA fiber toughened geopolymer; the doping amount of the fly ash in the PVA fiber toughened geopolymer is 550-580kg / m < 3 >, and the mass ratio of the fly ash to the slag is 1: (1-1.5); the mixing amount of the fine aggregate in the PVA fiber toughened geopolymer is 650-710kg / m < 3 >, and the mixing amount of the coarse aggregate in the PVA fiber toughened geopolymer is 690-750kg / m < 3 >.

The invention discloses quick-hardening cement mortar and an application method thereof, and relates to the technical field of building materials, the quick-hardening cement mortar is composed of the following components: quick-hardening sulphoaluminate cement, common Portland cement, aggregate, an additive and a fiber composition; the fiber composition comprises galvanized steel fibers and polymer fibers, and the polymer fibers comprise PVA fibers; a film layer modified by a silane coupling agent is formed on the surfaces of the galvanized steel fiber and the polymer fiber, and the silane coupling agent is selected from at least one of aminopropyltriethoxysilane and diamino type functional group silane. The galvanized steel fibers and the polymer fibers are adopted in the cement mortar, the polymer fibers generate pressure stress in a cement block by utilizing an environment that the cement is severely hydrated in a short time, and the polymer fibers and the galvanized steel fibers generate a synergistic effect, so that the overall anti-dry-crack effect of the cement block is achieved; through a silane coupling agent surface modification scheme, the anti-cracking effect is enhanced, and the effect of common long fibers is achieved through short fibers.

The present disclosure relates to molded fiber formulations suitable for the automated, efficient, high-speed production of fiber-based containers, particularly for containers for use with produce such as apples. Fiber compositions are created as slurries to be used in the manufacture of molded fiber products. Embodiments of the fiber composition include a fiber base mixture of pulp and water, with some amount of a fiber substitute additive that is chemically compatible with the product to be stored in contact with the final molded fiber product. In an embodiment, apple pomace is a compatible fiber substitute for use in an apple container in that it is compatible with apples. Pomace is the pulp residue remaining after processing of fruit to extract its juice, e.g., by crushing, pressing. Pomace includes the processed residue of seeds, stems, skin and core material of the fruit in addition to at least some residue of the fruit juice itself as it is typically not possible to extract all the juice in a processing operation. Pomace may be added to the base fiber as a dried pulp, a wet pulp, or a rehydrated pulp (i.e., the pomace was dried and then rehydrated with water) or any combination of the preceding.

The invention relates to the field of concrete, and provides high-cracking-resistance concrete and a preparation method thereof.The concrete comprises a surface modified rubber fiber composition, surface modified end-hooked steel fibers, Portland cement, fly ash, silica fume, a superplasticizer, mineral powder, coarse aggregate, fine aggregate and water. The surface modified rubber fiber composition is composed of millimeter-sized and micron-sized rubber fibers, and is subjected to alkali treatment, oxidative sulfonation and amination modification, so that the cement compatibility and interface bonding force of the fibers are improved; the surface modified end-hooked steel fiber is subjected to dopamine hydrochloride auto-polymerization deposition and drying curing treatment, and the reinforcing effect is improved. The preparation method comprises the steps of fiber pretreatment, admixture mixing, aggregate dry mixing, slurry preparation, fiber uniform dispersion and concrete forming maintenance, and material uniformity and performance stability are ensured. By optimizing fiber modification and component proportion, the cracking resistance and durability of the concrete are improved, and the concrete is suitable for high-performance building structures and engineering application.

The invention discloses a low-carbon freshwater fish feed added with fermented bamboo powder and application of the low-carbon freshwater fish feed, and belongs to the technical field of aquatic animal feeds. The low-carbon freshwater fish feed capable of reducing the fat rate of fish bodies and / or reducing nitrogen and phosphorus emission is prepared from the fermented bamboo powder, and the content of vitamins, enzymes and growth factors in the feed can be increased by adding the fermented bamboo powder, so that the freshwater fish bodies have good anti-pathogenic activity; the absorption and utilization of the freshwater fish on nutritional ingredients and fiber-rich ingredients in the feed are improved, so that the aim of reducing the emission of nitrogen and phosphorus is fulfilled; meanwhile, the fermented bamboo powder is used for partially replacing soybean meal in the freshwater fish feed, so that the dosage of feed raw materials such as the soybean meal is reduced, the intestinal health of the freshwater fish is improved, the muscle quality of the freshwater fish is improved, the earthy smell in muscles is reduced, the body type of the freshwater fish is also improved, and the fat content in abdominal muscles is reduced.

The utility model discloses a shooting device for fiber component analysis. The shooting device comprises a supporting base, an X-axis and Y-axis moving table, a Z-axis driving assembly, a carrying plate connected to the X-axis and Y-axis moving table and a microscopic imaging assembly connected to the Z-axis driving assembly and located above the carrying plate. A slide is arranged on the loading plate, and a first light source capable of irradiating to the slide is arranged in the microscopic imaging assembly. Wherein a first groove is formed in the upper surface of the carrying plate, a through light guide hole is formed in the first groove, and the slide covers the first groove; the lower surface of the carrying plate is connected with the XY-axis moving table through a connecting block, a second groove is formed in the position, corresponding to the light guide hole, of the connecting block, and a second light source is arranged in the second groove; a double-sided mirror is assembled at the bottom of the first groove and covers the light guide hole. According to the shooting device, the definition of the fiber sample image can be improved, the stereoscopic impression of the fiber sample image is also improved, and the loss of detail structures in the fiber sample image is also reduced.

The present invention relates to the technical field of gas reservoir production. Disclosed are a copolymer and a preparation method therefor, a polylactic acid fiber and a preparation method therefor, a copolymer fiber composition, a fracturing fluid, and a use. The copolymer comprises a structural unit A as represented by formula 1, a structural unit B as represented by formula 2, a structural unit C as represented by formula 3 and / or formula 4, and a structural unit D as represented by formula 5 and / or formula 6; based on the total weight of the copolymer, the content of the structural unit A is 40-60 wt%, the content of the structural unit B is 20-30 wt%, the content of the structural unit C is 15-20 wt%, and the content of the structural unit D is 5-25 wt%. The copolymer has excellent salt resistance, high temperature resistance, and stability. A fracturing fluid system comprising the copolymer can be applied to a high-temperature deep well having the highest temperature of 158℃.

The invention discloses a bacillus capable of efficiently degrading fibers and application of the bacillus. The name of the bacillus altitudinis DF34 is bacillus altitudinis, the preservation number of the bacillus altitudinis is GDMCC No: 65492, and the bacillus altitudinis is preserved in Guangdong Microbial Culture Collection Center on December 4, 2024. The bacillus has the characteristics of strong stress resistance and high growth speed; the strain has the capability of efficiently degrading fibers, and can degrade fiber components of forage grass, promote fermentation and improve the fermentation quality of the forage grass with low soluble sugar water content in the ensiling process. Therefore, the bacillus altitudinis DF34 can be widely applied to various regions in China, and especially has an outstanding effect on silage raw materials with high fiber content. The strain successfully solves the problem of poor silage fermentation caused by low water-soluble carbohydrate content, and provides a new solution for improving the quality of the silage.

The invention discloses a preparation method of near-stoichiometric ZrB2 doped SiC fibers, which comprises the following steps: preparing a zirconium-containing multiphase ceramic precursor (PZMS) and polymethylsilane (PMS) into a PZMS / PMS mixed precursor, and blending the PZMS / PMS mixed precursor with spinning-grade polycarbosilane (PCS) to obtain a mixed precursor; the ZrB2-doped silicon carbide fiber with the C / Si atomic ratio close to an ideal value is obtained through the processes of melt spinning, electron beam / BCl3 crosslinking-heat treatment, hydrogen high-temperature pyrolysis, high-temperature sintering and the like in sequence, and regulation and control of fiber components are achieved.

The invention relates to the field of concrete, and particularly discloses self-compacting concrete and a preparation method thereof. The self-compacting concrete comprises the following raw materials in parts by weight: 320-370 parts of cement; 800 to 840 parts of coarse aggregate; 750 to 780 parts of fine aggregate; 12 to 19 parts of a fiber composition; 55 to 70 parts of fly ash; 20-35 parts of steel slag powder; 1-3 parts of a water reducing agent; 140 to 175 parts of water; 8-14 parts of an expanding agent; the fiber composition is hybrid fibers of steel fibers and sisal fibers, and the weight ratio of the steel fibers to the sisal fibers is (9-13): (3-6). The self-compacting concrete has the effects of inhibiting self-constriction and plastic constriction of the self-compacting concrete, reducing generation of harmful cracks and improving the strength and impermeability of the self-compacting concrete.

The invention discloses a spinning method for wrapping blended yarns, which comprises the following steps of: adopting a front row of drafting roller pairs, a middle row of drafting roller pairs and a rear row of drafting roller pairs which are independently driven, sleeving left and right rotating shaft sleeve groups which are axially symmetrically arranged on a roller shaft of a lower roller, and sleeving left and right rubber roller sleeve groups which are axially symmetrically arranged on a rubber roller shaft of an upper rubber roller; three pairs of pressing, holding and feeding jaws for short fiber roving are respectively formed on the roller shaft and the first rotating shaft sleeve and the second rotating shaft sleeve in the left and right rotating shaft sleeve groups in a bilateral symmetry manner; a first pair of short fiber strands which are pressed, drafted and output on a roller shaft, a second pair of short fiber strands which are pressed, drafted and output on a second rotating shaft sleeve and a third pair of short fiber strands which are pressed, drafted and output on a first rotating shaft sleeve are output in a lower, middle and upper space overlapping state, and production of needed wrapped blended yarn is achieved. Then direct blending in the spinning process is achieved, different fiber components in blended yarn are arranged in a layered mode, the blending efficiency is improved, and different blending purposes are achieved.

Non-woven graft materials for use in specialized surgical procedures such as neurosurgical procedures, methods for making the non-woven graft materials, and methods for repairing tissue such as neurological tissue using the non-woven graft materials are disclosed. More particularly, disclosed are non-woven graft materials including at least two distinct fiber compositions composed of different polymeric materials, methods for making the non-woven graft materials and methods for repairing tissue in an individual in need thereof using the non-woven graft materials.

The present invention relates to a nonwoven fabric containing a fiber composition which comprises a polylactic acid multi-component fiber and optionally further fibers, to a method for producing a molded body from such a nonwoven fabric, to the molded bodies obtained, and to the use of the nonwoven fabric.

Non-woven graft materials for use in specialized surgical procedures such as neurosurgical procedures, methods for making the non-woven graft materials, and methods for repairing tissue such as neurological tissue using the non-woven graft materials are disclosed. More particularly, disclosed are non-woven graft materials including at least two distinct fiber compositions composed of different polymeric materials, methods for making the non-woven graft materials and methods for repairing tissue in an individual in need thereof using the non-woven graft materials.

Disclosed herein are methods of making and using biocomposite compositions comprising at least a polymeric component and a fiber component.

The invention relates to compositions comprising a constituent- A, which constituent-A consists of a polylysine component, a XL- component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The XL-component comprises at least two isocyanate groups. The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 °C and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.

A 3D printed structure is provided. The structure includes a composition formed from a mixture including an earth component, e.g., naturally occurring soil, subsoil, topsoil, clay, a clay-rich soil, sand, silt, an engineered soil formed of sand and clay, etc.; at least one fiber component, e.g., a bast or leaf fiber, including straw, wheat straw, rice straw, rice husk, reed, hay, hemp, kenaf, banana, sisal, fique, flax, jute, etc.; fluid component, e.g., water, oil, acid, etc.; and at least one additive component, e.g., a bio-based additive such as cellulose, a polypeptide such as gelatin, a polysaccharide such as alginate, guar gum, locust bean gum, chitosan, and xanthan gum, and lime, etc. The mixture includes a weight ratio of about 2-50 parts earth; about 5-50 parts fiber; about 25-80 parts fluid; and about 0-10 parts additive. The mixture can be 3D printed into prefabricated building elements, e.g., block-like geometries, monolithic walls, panels, etc.

The invention discloses a production method for improving the conductivity of a staple fiber blended conductive yarn, and belongs to the technical field of textiles. According to the short fiber blended conductive yarn produced through the ring spinning siro spinning technology, the conductive fibers are in a continuous bundle shape in the yarn body, the fibers are in tight contact, and the contact resistance is small. Compared with the same fiber component, proportion and yarn count, the short fiber blended conductive yarn produced by directly mixing the fibers has the advantage that the conductivity is improved by more than 30%. Meanwhile, under the condition that the same conductivity index requirement is met, the using amount of the conductive fibers can be reduced by about 30%, and the purpose of reducing the production cost is achieved. In addition, different proportions of yarn components and adjustment of conductivity can be achieved through quantitative combination of the conductive fiber roving and the non-conductive fiber roving; the equipment transformation cost is not additionally increased during spinning, and the quality and efficiency of conductive yarn products can be improved.

The invention relates to the technical field of detection devices, and discloses a textile fiber component detection device and method, and the device comprises an optical detector which is used for imaging and photographing the surface of textile cloth. When a first magnetic ring is attracted by the magnetic force of a second magnetic ring, textile cloth can be tightly pressed on the upper surfaces of a first arc block and a second arc block, friction force is generated between the textile cloth and the first arc block and friction force is generated between the textile cloth and the second arc block, and when the first arc block and the second arc block move in the direction away from the second magnetic ring, the textile cloth is fixed. Through the arrangement, when the textile cloth is straightened and flattened, the tensile force on the surface of the textile cloth is more uniform, bending wrinkles caused by uneven tensile force on the local surface of the textile cloth are avoided, and it is ensured that under detection of an optical detection lens, fiber types or surface characteristics of the textile cloth are clear; the accuracy of a detection result is ensured.

Non-woven graft materials for use in specialized surgical procedures such as neurosurgical procedures, methods for making the non-woven graft materials, and methods for repairing tissue such as neurological tissue using the non-woven graft materials are disclosed. More particularly, disclosed are non-woven graft materials including at least two distinct fiber compositions composed of different polymeric materials, methods for making the non-woven graft materials and methods for repairing tissue in an individual in need thereof using the non-woven graft materials.

The invention relates to the technical field of conductive materials, in particular to conductive paper and a preparation method thereof. Wherein the conductive paper is prepared from 40.9 to 86.4 parts of polypyrrole / fiber composition, 1.4 to 48.7 parts of regenerated cellulose, 0.36 to 32.5 parts of glycerol and 5 to 10 parts of water, the polypyrrole / fiber composition is prepared from pyrrole, ferric trichloride and mixed fibers, and the mass ratio of the pyrrole to the ferric trichloride to the mixed fibers is (0.9 to 1.2) to (1.8 to 2.4) to (1.0 to 2.4) according to the mass of absolute dry fibers. By adopting the technical scheme provided by the invention, the mixed fibers can provide more attachment sites for pyrrole polymerization in the pyrrole polymerization process, so that polypyrrole forms more silk chains, the uniform spreading and continuity of polypyrrole in the conductive paper are improved, and the conductive paper is endowed with better conductive performance.

The invention discloses a bacterium capable of efficiently degrading cellulose and application of the bacterium in degrading rice straws. The bacterial strain is Cellulomonas iranensis CE3, and the preservation number of the bacterial strain is CGMCC (China General Microbiological Culture Collection Center) No.32644. The invention further discloses a preparation method of the bacterial strain. When the strain is applied to a culture medium with straw as a unique carbon source for aerobic fermentation, the strain shows a remarkable fiber component degradation effect. The problems that efficient degrading bacteria have a good degrading effect theoretically, but the effect is not obvious, the degrading rate is low or the effect is not stable when the efficient degrading bacteria are applied to the straw are effectively solved, and the effective utilization rate of the straw can be increased in the actual production process.

The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.

The invention relates to the technical field of textile fiber component analysis, and discloses a textile fiber component qualitative online analysis system and method.The system comprises a spectrum collection module, a data processing terminal and a component recognition center, and the component recognition center comprises a spectrum preprocessing unit, a feature matching unit and a component judgment unit. The spectrum acquisition module acquires multi-band spectrum data of a textile sample in real time, and the data processing terminal receives an instruction to perform spectrum data format conversion. The spectrum preprocessing unit determines an interference section by recording spectrum distortion and a baseline correction interval, and controls the processing terminal to generate a spectrum characteristic matrix to calibrate component distribution on the surface of a sample; a feature matching unit generates a component report according to matched fiber types; when the component determination unit detects an abnormal spectrum, re-measurement is controlled in an interference section. The system realizes online real-time qualitative analysis of the textile fiber components, enhances the anti-interference capability, and can be widely applied to the field of textile fiber component analysis.

A prebiotic fiber composition obtained from Gloeoporus thelephoroides, Ganoderma lucidum, Pholiota nameko, and / or Pleurotus pulmonarius; and a method of promoting growth of Anaerostipes sp., Bacteroides uniformis, or both in the gut microbiome of an animal, which method comprises orally administering the prebiotic fiber composition, alone or in further combination with live Anaerostipes sp., Bacteroides uniformis, or both, simultaneously or sequentially.

The present invention relates to a fibrous mixture comprising arabinoxylan, beta-glucan, pectin and resistant starch, a nutritional composition comprising the fibrous mixture and the use thereof. The contained fiber mixture is advantageously used to improve intestinal health and / or to prevent impairment of intestinal health.

Presented herein are systems and methods for characterizing fiber compositions. In certain embodiments, methods and systems described herein utilized trained machine learning algorithms to characterize (e.g., automatically) fibers in a fiber sample.

COMPOSITION AND METHOD FOR DYEING AND / OR BRIGHTENING KERATIN FIBERS This disclosure proposes a composition comprising at least one fatty alcohol; at least one cationic polysaccharide; at least one fatty acid; at least one carboxylic acid of the formula (I) below, its optical isomers, geometric isomers, salts, solvates, or combinations thereof: R1-N-(CH(R2)COOH)2 formula (I); with at least one oxidative dye and / or at least one alkali agent. Also proposed is a method for dyeing and / or lightening keratin fibers, preferably hair, comprising applying the composition to said keratin fibers. Figure for abstract: none

The present invention relates to a polypropylene-based master batch comprising 15-35% by weight, based on the total weight of the polypropylene-based master batch, of a polypropylene having a melt flow rate MFR (230 DEG C, 230 DEG C, 230 DEG C) of 15-50 g / 10 min measured according to ISO 1133. 2.16 kg) and 65-85% by weight, based on the total weight of the polypropylene-based masterbatch, of a surface-treated filler material product comprising at least one heavy calcium carbonate-containing filler material; a polyester fiber composition comprising the polypropylene-based master batch; a polyester nonwoven or filament formed from the polyester fiber composition; the invention also relates to a method for preparing the polyester nonwoven or filament and to the use of the polypropylene-based masterbatch in the production of polyester nonwoven or filament and to articles formed from polyester nonwoven or filament.