159 results about "Fiber composition" patented technology

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 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.

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.

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 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.

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.

The invention relates to the technical field of textile detection, and discloses a portable textile fabric multi-component fiber component identification method and system. The system comprises a fiber data acquisition module, a spectral feature extraction module, a multi-resolution grid generation module, a dynamic component analysis module and a component identification module. The fiber data acquisition module acquires multi-band spectral data of a fabric to be identified through a portable spectrometer and standardizes the multi-band spectral data; the spectral feature extraction module extracts an initial spectral feature sequence; the multi-resolution grid generation module generates analysis grids with different finesses according to resolution differences of different wavebands, and the lengths of grid units corresponding to high-resolution wavebands are smaller; the dynamic component analysis module performs dynamic coupling analysis based on the grids to obtain dynamic distribution characteristics of fiber components; and the component identification module outputs the category and the proportion of the multi-component fiber by combining the feature with a matching result of a preset fiber component database. The system is portable, can be used for field detection, and can improve the recognition accuracy and efficiency.

The invention discloses a modified polylactic acid fiber composition and application thereof, and the modified polylactic acid fiber composition comprises a biodegradable high polymer material and a compound nucleating agent, wherein the biodegradable high polymer material is prepared from poly (L-lactic acid) (PLLA), polyhydroxyalkanoate (PHA) and a PLLA-PHA block copolymer; the compound nucleating agent comprises a PLA (polylactic acid)-based compound component and a norbornene dicarboxylic acid complex TMX-2, and the mass ratio of the norbornene dicarboxylic acid complex TMX-2 to the PLA-based compound component is (0.02-0.6): 1. The PLLA, the PHA, the PLLA-PHA, the PDLA, the sb-PLA and the TMX-2 are compounded and synergistically influenced, so that three continuous phase network structures are formed in the blended fiber, and the fiber has high strength, high heat resistance and high flexibility.

The application provides a fiber weaving structure dielectric film for a high energy density capacitor and a preparation method, and aims at the fact that the dielectric constant and the breakdown strength of a polymer-based dielectric material are difficult to be simultaneously improved, so that the energy density cannot meet the demand of a high power density energy storage capacitor. A polyetherimide / polyvinylidene fluoride-hexafluoropropylene core-shell structure fiber with a core-shell structure is prepared through a coaxial electrospinning technology, a composite film is formed through laminated hot pressing, the weaving structure is adjusted by adjusting the core-shell fiber composition content, the fiber orientation stacking direction and the stacking layer number, the mechanical strength of the film is enhanced, carriers are captured by deep traps, the breakdown strength is significantly improved, the high dielectric constant is maintained by utilizing interface polarization, and the energy density is comprehensively improved.

The invention belongs to the technical field of fiber materials, and particularly relates to a special fiber composite material with ultrahigh mechanical properties and a preparation method thereof. The special fiber composite material comprises a fiber composition, and the fiber composition comprises PET short fibers with the melting point of 250-260 DEG C, PET short fibers with the melting point of 160-200 DEG C and PET short fibers with the melting point of 110-130 DEG C. Experimental verification shows that the tensile strength of the fiber composite material can be synergistically increased by the PET short fibers with the three different melting points, and the tensile strength of the fiber composite material is remarkably higher than that of the fiber composite material prepared from the PET short fibers with the two melting points.

The utility model discloses a rapid fiber component dissolving instrument, which relates to the technical field of fiber component dissolving instruments and comprises a reaction container, the top end of the reaction container is fixedly connected with a fixing frame and a driving mechanism, the inner side of the fixing frame is rotatably connected with a rotating gear ring and a dewatering basket, and the top end of the fixing frame is provided with a barrel cover; a lifting stirring assembly is arranged at the bottom end of the barrel cover and comprises a connecting rod, a fixing sleeve, a rotating rod and a limiting sliding rod, a fixing ring is fixedly connected to the inner wall of the top end of the dewatering basket, and a continuous wavy sliding rail is formed in the inner side wall of the fixing ring. According to the rapid dissolving instrument for the fiber components, the lifting stirring assembly is arranged, and a limiting sliding rod is in sliding connection with a wavy sliding rail, so that when a driving mechanism drives a dewatering basket to drive a fixing ring to rotate, the lifting stirring effect of a rotating rod can be achieved, the stirring modes are enriched, and the dissolving efficiency of textiles is improved; and the dissolving effect is better.

COMPOSITIONS AND METHODS FOR THE TREATMENT OF KERATINOUS FIBERS. The disclosure relates to compositions comprising (a) at least one carboxylic acid or a salt thereof; (b) at least one cyclodextrin or a derivative thereof; and (c) at least one solvent. The compositions may be used to provide lasting curl definition and / or control of frizz and / or volume of hair, even in high humidity. The disclosure also relates to methods of manufacturing and using the compositions. Figure for abstract: 1

The invention relates to the technical field of non-woven materials, and discloses a high-liquid-absorption spunlaced non-woven mask base cloth production process based on online detection, which comprises the steps of fiber component uniformity detection, fiber web defect detection, moisture content monitoring, AI dynamic feedback control, process parameter adjustment and finished product quality verification. Through integration of a near infrared spectrum, a CCD visual system and a microwave sensor, real-time monitoring and intelligent regulation and control in the production process are realized. According to the application, the uniformity of fiber components can be remarkably improved, defects of a fiber net are reduced, and the water content is accurately controlled, so that the liquid absorption performance and mechanical strength of a product are improved, the quality consistency of the product is ensured, and the application requirements in the fields of skin care products and medical dressings are met.

COMPOSITION SUITABLE FOR KERATINOUS FIBERS The present invention relates principally to a composition for keratinous fibers such as hair, comprising: (a) at least one compound selected from the group consisting of glyoxylic acid, glyoxylic acid solvates, glyoxylic acid salts, glyoxylic acid esters, glyoxylic acid amides, and mixtures thereof; (b) at least one compound, other than (a), selected from the group consisting of keto acids, their salts, and mixtures thereof; and (c) at least one quater ester. The present invention can improve the smoothing of keratinous fibers such as hair based on heating the keratinous fibers with glyoxylic acid or one of its derivatives, providing more durable remodeling effects. Figure for abstract: none

The invention discloses a preparation method of anti-freezing concrete suitable for a high-altitude environment. The preparation method comprises the following steps: firstly, carrying out pre-water absorption treatment on coarse aggregate to obtain pre-treated coarse aggregate, wherein the pre-water absorption rate is 1.5 times of the saturated surface dry water absorption rate; mixing the anti-freezing fiber and the bubble stabilizer; and finally adding the cementing material, the water, the fine aggregate and the additive, and mixing to obtain the concrete. The bubble stabilizer is superfine particles, and the anti-freezing fibers comprise low-elastic-modulus fibers and high-elastic-modulus fibers. By adding the fiber combination, the air entraining agent can be assisted in introducing more beneficial bubbles in the stirring process, a dense network is formed in a concrete mixture and a cement matrix, the bubbles introduced under low air pressure are prevented from overflowing, and meanwhile, the air hole structure of the concrete is optimized through the bubble stabilizer to maintain the air content of the concrete. The fiber composition has a synergistic effect in the hardened concrete, and under the combined action of the fiber composition and the hardened concrete, the anti-freezing durability of the concrete in the high-altitude low-air-pressure environment is remarkably improved.

The invention provides a multi-component blending blowing-carding system and a production method.The multi-component blending blowing-carding system comprises a bale plucker, a multi-bin cotton blending machine, a scutcher, a carding machine and a control system, and is characterized in that two large-bin fine cotton blending machines arranged in front of the multi-bin cotton blending machine comprise racks and cotton blending bins on the racks; a feeding port and an outlet are formed in the two ends of the cotton mixing bin respectively, and a tipping bucket arranged at the feeding port is used for manual weighing and feeding. A circulating and reciprocating mixing device is arranged in the cotton mixing bin and used for circulating and reciprocating mixing of raw materials; two bale pluckers are respectively connected with a large-bin fine cotton blending machine, the two large-bin fine cotton blending machines are connected in parallel and then are connected into a multi-bin cotton blending machine, and the scutcher connected with the multi-bin cotton blending machine is connected with a plurality of carding machines. The cotton blending machine is suitable for blending more than 10 kinds of fiber components, the mixing mode of fiber materials is reasonable, the blending fineness and the blending uniformity are high, the cotton blending process is short, continuous production can be basically achieved, operation and use are flexible and convenient, and the application range is wide.

The present invention relates to compositions comprising superoxide dismutase and a soluble fiber. The compositions may further comprise other antioxidants, vitamins, and nutrients. The compositions can be used as dietary supplements and to improve health and well-being.