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421 results about "Elastic fiber" patented technology

Elastic fibers (or yellow fibers) are bundles of proteins (elastin) found in extracellular matrix of connective tissue and produced by fibroblasts and smooth muscle cells in arteries. These fibers can stretch up to 1.5 times their length, and snap back to their original length when relaxed. Elastic fibers include elastin, elaunin and oxytalan.

Antibacterial breathable yarn and antibacterial breathable socks thereof

ActiveCN119736740APanty-hoseYarnYarnElastomer
The invention relates to the field of textile materials, and provides an antibacterial breathable yarn obtained by blended spinning of polyester fibers, polyamide fibers, cotton fibers and elastic fibers. The polyester fiber is prepared through melt blending and spinning processes and comprises polyethylene glycol terephthalate slices, modified chitosan zinc oxide, an antioxidant 1010, a POE elastomer, polyether modified silicone oil and polyethylene glycol 200, and the modified chitosan zinc oxide is prepared by compounding chitosan cinnamyl aldehyde Schiff base and silane modified zinc oxide. The chitosan cinnamyl aldehyde Schiff base is prepared through a Schiff base condensation reaction of chitosan and cinnamyl aldehyde, and the silane modified zinc oxide is prepared from nano rod-shaped zinc oxide particles modified by isocyanate propyl triethoxy silane. The yarn has excellent antibacterial property, air permeability and flexibility and is further used for knitting antibacterial breathable socks, the knitting density of the sock bottom part is reduced to enhance the air permeability, the knitting density of the sock opening part is improved to improve the elasticity and the fitting degree, and the yarn has wide application value.
Owner:ZHUJI BAOREN DYEING & FINISHING CO LTD

Flame-retardant spandex fabric and preparation method thereof

The invention relates to the technical field of spandex fabrics, in particular to a flame-retardant spandex fabric and a preparation method thereof.The flame-retardant spandex fabric comprises a spandex base layer, inner layers are fixedly arranged on the upper surface and the lower surface of the spandex base layer, and improved layers are fixedly arranged on the outer surfaces, away from the spandex base layer, of the inner layers; the spandex base body layer is formed by weaving elastic fibers, and the elastic fibers comprise spandex fiber lines. According to the flame-retardant spandex fabric, the spandex base body layer is matched with the inner layer and the improved layer to form the flame-retardant spandex fabric, the spandex base body layer is formed by spirally winding the glass fiber threads and the hemp fiber threads on the outer walls of the spandex fiber threads, and the elastic performance of a product is optimized.
Owner:SHISHI JINXIANG BLEACHING & DYEING CO LTD

Clothing articles having ultra-high molecular weight polyethylene

A clothing article is disclosed herein, comprising: at least one base knit region, each base knit region being formed of a base knit comprising an ultra-high molecular weight polyethylene (UHMWPE) fiber and at least one base stretch fiber being knit together in a plated configuration to form a jersey knit; and at least one reinforcing knit region, each reinforcing knit region being formed of a reinforcing knit comprising the UHMWPE fiber and the at least one base stretch fiber being knit together in a plated configuration to form a jersey knit. The reinforcing knit region further comprising a reinforcing stretch fiber being alternatingly knit with the jersey knit of the reinforcing knit in which within each given course of the jersey knit of the reinforcing knit, for every sequence of m +n consecutive loops of the course, the reinforcing stretch fiber is looped with m consecutive loops of the jersey knit of the reinforcing knit and n consecutive loops of the jersey knit of the reinforcing knit are free of looping with the reinforcing stretch fiber.
Owner:SHEERTEX INC

Preparation method of elastic fabric and fabric

According to the elastic fabric provided by the invention, the TPU fiber is used as an elastic fiber material of the elastic fabric, the TPU fiber is processed into the elastic yarn, and the woven fabric with excellent elasticity and good hand feeling is obtained through the structural design of the elastic yarn and the fabric in combination with a corresponding processing textile dyeing and finishing process. According to the elastic fabric and the preparation method thereof, the elastic fabric has excellent elasticity, the warp-direction elastic elongation of a woven fabric can reach 35-70%, the weft-direction elastic elongation of the woven fabric can reach 80-130%, the warp-direction elastic elongation of a knitted fabric can exceed 180-250%, and the weft-direction elastic elongation of the knitted fabric can reach 250-360%; the fabric is low in elasticity modulus and low in elastic recovery rate, and clothes made of the fabric are weak in constraint feeling when worn; a special wrinkle style can be obtained on the surface of the fabric, and the fabric has excellent hand feeling; the invention further provides a method for stably processing and preparing the elastic knitted fabric.
Owner:HONGZHI (SHANGHAI) TECHNOLOGY CO LTD

Method for preparing direct melt-spun high-viscosity PBAT / low-viscosity pet two-component elastic fiber and high-viscosity PBAT polymerization reactor

A method for preparing direct melt-spun high-viscosity PBAT / low-viscosity PET two-component elastic fiber and a high-viscosity PBAT polymerization reactor. This method uses two production lines respectively used to produce a high-viscosity PBT melt and a low-viscosity PET melt, which are then spun. The high-viscosity PBAT production line comprises a first esterification reactor, a second esterification reactor, a first prepolymerization reactor, a second prepolymerization reactor, and a high-viscosity PBAT polymerization reactor. The polymerization reactor is designed with a special disc structure in a parallel two-shaft disc reactor, and the two shafts are rotated in opposite directions, improving the devolatilization effect and self-cleaning, significantly increasing the viscosity. By using this method, the cost is low and the production capacity is high, the process flow is shortened, the fiber strength can reach 2.55˜2.85 cN / dtex, the crimp shrinkage rate can reach 25%˜60%, and the crimp stability can reach 58%˜70%.
Owner:JIANGSU GANGHONG FIBER CO LTD

Instrument for accurately testing elasticity of elastic fiber wrap yarn

The invention discloses an elastic fiber wrap yarn elasticity accurate testing instrument, and relates to the technical field of elasticity testing, the elastic fiber wrap yarn elasticity accurate testing instrument comprises a testing assembly, the testing assembly is used for clamping and pulling the edge of an elastic fiber wrap yarn along the circumferential direction; according to the accurate elasticity testing instrument for the elastic fiber wrap yarn, when the elasticity is tested, the edge of the elastic fiber wrap yarn cut into a circle is clamped by the anti-skid clamps, the anti-skid clamps arranged circumferentially can better fit the shape of the yarn, a more stable clamping effect is provided, slippage of the yarn in the stretching process is effectively avoided, and the elasticity of the elastic fiber wrap yarn is accurately tested. After the elastic fiber wrap yarn is stably clamped and the tension meter is started, the stretching device gradually applies tensile force, so that the elastic fiber wrap yarn is stretched, and a tensile force test result can reflect the deformation condition and the mechanical property change of the elastic fiber wrap yarn in the stretching process; and the test result is more accurate.
Owner:WUJIANG LUOTAI CHEM FIBER CO LTD

Mycelium nano leather manufacturing method

The invention relates to the technical field of leather, in particular to a hypha nano leather manufacturing method which comprises the following steps: step 1, base cloth preparation: taking a high-strength fiber filament as a core, winding and wrapping yarns formed by elastic fibers on the outer layer, and interweaving to form base cloth for later use; step 2, compounding the base cloth with hyphae: modifying the fermented hyphae, and uniformly dispersing the modified hyphae in liquid to form turbid liquid; immersing the base cloth into the turbid liquid and then taking out the base cloth, taking out the base cloth from the turbid liquid, filtering the liquid through holes, and uniformly retaining and laying hyphae on the base cloth to form a mycelium fiber layer; step 3, forming: performing preliminary extrusion, crosslinking and hot rolling treatment on the compounded base cloth and hyphae, soaking in polyurethane, and drying to obtain a leather base; and 4, surface treatment. And the mycelium is compounded with the base cloth, so that the mechanical property of the mycelium leather can be further improved.
Owner:SHISHI CONGXIANG NEW MATERIAL TECH CO LTD

Application of glycyrrhetinic acid or glycyrrhetinic acid liposome in preparation of abdominal aortic aneurysm protection medicine

The invention belongs to the field of biological medicine, particularly discloses application of glycyrrhetinic acid or glycyrrhetinic acid lipidosome in preparation of an abdominal aortic aneurysm protection medicine, and reveals that glycyrrhetinic acid can effectively improve death of mice after aorta rupture caused by Ang II treatment, can obviously improve degradation of an aorta elastic fiber layer caused by Ang II treatment, and can improve the aortic aneurysm protection effect. The macrophages induced by lipopolysaccharide (LPS) can be promoted to be polarized to M2 type; the glycyrrhetinic acid is used for intervention before Ang II treatment, the occurrence of Ang II induced abdominal aortic aneurysm can be relieved, the survival rate of mice is increased, and it is indicated that the glycyrrhetinic acid can be used for preparing the medicine for relieving the abdominal aortic aneurysm. Furthermore, the glycyrrhetinic acid is entrapped into the liposome, so that the solubility and bioavailability of the glycyrrhetinic acid are improved, meanwhile, after glycyrrhetinic acid coating is carried out by utilizing a nanotechnology, the dosage of the glycyrrhetinic acid can be effectively controlled, and the curative effect of the glycyrrhetinic acid is further improved and enhanced.
Owner:JINAN UNIVERSITY

Yarns with conductive elastomeric cores, fabrics and garments formed of the same, and methods for producing the same

A stretchable conductive yarn (1) includes a conductive core (2) of one or more elastic fibers (4-6) and an insulating sheath (3) that covers the conductive core. One or more of the elastic core fibers may be an elastomeric material (4) and may be combined with a less elastic fiber (5, 6) to control the returning properties of the conductive elastic fibers. Also provided are fabrics, garments and various devices formed using the conductive elastic yarns and which can be used to perform various electrical sensing operations to monitor and measure various bodily functions and conditions, or performance of a wearer.
Owner:SANKO TEKSTIL ISLETMELERI SANAYI VE TICARET AS

All-cotton four-way stretch fabric and preparation method thereof

The invention relates to an all-cotton four-way stretch fabric and a preparation method thereof, and belongs to the technical field of textile dyeing and finishing. The preparation method comprises the following steps: performing singeing, enzyme desizing, liquid ammonia finishing, loose alkali shrinkage and overfeeding soft heat setting on gray fabric to obtain the all-cotton four-way stretch fabric. The warp-wise and weft-wise shrinkage rates of the prepared four-way stretch fabric are-3.0%-0%, the warp-wise elastic elongation rate is 12%-15%, the weft-wise elastic elongation rate is 12%-18%, and the elastic residual elongation rate is smaller than or equal to 8%; obvious warp and weft elasticity can be achieved without elastic fibers, the problems that elastic fabrics such as spandex core-spun yarn fabrics are complex to manufacture, unstable in fabric size and the like are solved, the warp and weft elasticity is obvious, the size stability is good, the hand feeling is soft, and the price is low; the preparation method is simple, does not need equipment transformation, is easy to operate and does not damage fiber strength.
Owner:JIANGSU LIANFA TEXTILE +1

Flame-retardant antibacterial water-repellent elastic fabric and preparation method thereof

The invention relates to a flame-retardant antibacterial water-repellent elastic fabric and a preparation method thereof. Yarns adopted by the fabric comprise spandex fiber yarns, combed cotton yarns and spandex elastic fiber yarns. A double-sided circular knitting machine is adopted to weave grey cloth, and the obtained grey cloth is at least subjected to water-repellent finishing to obtain the fabric, the combed cotton yarn is used for being woven into the outer layer of the gray fabric, the spandex fiber yarn is used for being woven into the inner layer of the gray fabric, and the spandex elastic fiber yarn is used for being woven into the middle connecting layer of the gray fabric. The spandex fiber yarn, the combed cotton yarn and the spandex elastic fiber yarn are woven to form a unique organization structure, so that the fabric has the advantages of the three materials; the gray fabric obtained by weaving is subjected to water-repellent finishing, so that the lasting flame-retardant antibacterial and water-repellent functional fabric is obtained, and the fabric can be used for light sports or casual coats.
Owner:NINGBO SEDUNO GRP

Melt-spun spandex modified polylactic acid elastic fiber and preparation method thereof

The invention provides a melt-spun spandex modified polylactic acid elastic fiber and a preparation method thereof, and belongs to the technical field of high polymer materials. The melt-spun spandex modified polylactic acid elastic fiber is prepared from the following raw materials in parts by weight: 60-80 parts of polylactic acid, 10-30 parts of polyester polyol, 2-15 parts of isocyanate, 1-5 parts of a chain extender and 5-10 parts of a compatibilizer, the polyester polyol, aromatic diisocyanate and the chain extender are fully reacted under the high-temperature shearing action of a double-screw extruder, and the melt-spun spandex modified polylactic acid elastic fiber is prepared from the following raw materials in parts by weight: 60-80 parts of polylactic acid, 10-30 parts of polyester polyol, 2-15 parts of isocyanate, 1-5 parts of a chain extender and 5-10 parts of a compatibilizer. And the PLA slices added at the rear end of the screw rod react with the compatibilizer and the trifunctional isocyanate at high temperature, so that the interfacial compatibility between the PLA and the melt-spun spandex is enhanced. According to the present invention, the polymerization reaction of the compatibilizer and the isocyanate and the multiple effects of shearing and stirring of the screw rod promote the molecular level mixing of the two materials, such that the elasticity of the polylactic acid is improved, and the breaking strength and the evenness stability of the polylactic acid are maintained;
Owner:HEBEI BANGTAI SPANDEX TECH CO LTD +1

Melt-spun high-viscosity pet / low-viscosity pet two-component elastic fiber and preparation method therefor

The present disclosure relates to a melt-spun high-viscosity PET / low-viscosity PET two-component elastic fiber and a preparation method therefor. The preparation method adopts a six-reactor process. Terephthalic acid and ethylene glycol undergo first and second esterification reactions and first and second prepolymerization reactions, and an obtained ethylene terephthalate prepolymer is respectively introduced into a high-viscosity final polymerization reactor and a low-viscosity final polymerization reactor for polymerization reaction to obtain a high-viscosity melt and a low-viscosity melt, respectively, and then the two melts are spun together. The viscosity of the high-viscosity component can be significantly improved, and a wider range of viscosity difference between the high-viscosity and low-viscosity polyester melts can be obtained. A difference between the intrinsic viscosity of the high-viscosity melt and the intrinsic viscosity of the low-viscosity melt is 0.100-0.550; the prepared PET / PET two-component elastic fiber has high quality and high crimp shrinkage rate.
Owner:JIANGSU GANGHONG FIBER CO LTD

Multi-thread elastic knitted fabric and preparation method thereof

The invention relates to the field of textile materials, and discloses a multi-thread elastic knitted fabric and a preparation method thereof.The multi-thread elastic knitted fabric is prepared from, by weight, 30 parts of ternary polymerization elastic fibers; 70 parts of modified bamboo fiber; the ternary copolymerized elastic fiber is prepared from the following raw material components in parts by weight: 28-32 parts of polylactic acid; 38 to 42 parts of polytrimethylene terephthalate; 28 to 32 parts of poly (butylene succinate); 1 to 3 parts of graphene nanosheets; 0.5 to 1.5 parts of epoxidized soybean oil; 2 to 4 parts of beta-cyclodextrin; the modified bamboo fibers are subjected to enzymatic treatment, silane coupling agent modification, dopamine coating treatment and ultrasonic treatment. Through micro gradient structure design and multi-step functionalization treatment of the ternary polymerization elastic fibers and the modified bamboo fibers, unification of excellent elastic recovery, comfort, multifunctionality and durability is achieved.
Owner:HANGZHOU HUASHENG SCARFCO LTD

Polyurethane elastic fiber, winding body therefor, gather member and hygienic material

Provided are: polyurethane elastic fibers that achieve heat resistance, adhesiveness, and reelability and that are suitable for a gather member; a winding body therefor; a gather member; and a sanitary material. The present invention relates to: polyurethane elastic fibers that are multifilaments and that contain urethane bonds and urea bonds, the polyurethane elastic fibers being characterized in that the ratio of the urea bonds with respect to the urethane bonds is 0.05 to 5%; a winding body of said polyurethane elastic fibers, wherein the elongation rate of the polyurethane elastic fibers on the winding body is 0.05 to 10%; a gather member; and a sanitary material.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Cool breathable sunscreen garment fabric with twisted jacquard structure

The utility model relates to the technical field of garment fabrics, and discloses a cool breathable sunscreen garment fabric with a twisted jacquard structure, which comprises a fabric body, and the fabric body comprises first weft yarns, second weft yarns, third weft yarns and warp yarns; the weft yarns I, the weft yarns II and the weft yarns III are respectively interwoven with the warp yarns according to a weave process in figure 2; the first weft yarn, the second weft yarn and the third weft yarn are all made of 20D / 7f chinlon DTY uvioresistant yarn coated with 20D spandex elastic fibers, jacquard weave weaving is conducted through a water jet loom, the fabric has the good sun-proof performance and is cool and smooth in hand feeling, and clothes made of the fabric are good in air permeability, excellent in elasticity and more comfortable.
Owner:GUANGZHOU CAMEL HOME TEXTILE TECH CO LTD +1

Preparation method of bending-resistant sensor cable for high-speed motor train unit

The invention relates to the technical field of rail transit cables, in particular to a preparation method of a bending-resistant sensor cable for a high-speed motor train unit. The preparation method comprises the steps of conductor three-layer twisting and annealing, insulating layer gradient extrusion and plasma treatment, filling, twice wrapping, double-layer shielding, double-layer sheath co-extrusion and irradiation crosslinking post-treatment. The structure of the bending-resistant sensor cable sequentially comprises a high-elasticity fiber rope filler, a copper alloy conductor with a TPEE insulating layer, a thin flame-retardant cloth wrapping layer, an elastic silica gel inner shielding layer, a tinned copper wire and fiber filament outer shielding layer, a thin non-woven fabric wrapping layer and a cross-linked polyurethane double-layer sheath from inside to outside. The bending resistance of the cable exceeds 500,000 times, the cable works stably at the temperature of-50 DEG C to 125 DEG C, the service life is prolonged by 2-3 times, and the cable is suitable for the harsh environment of the high-speed motor train unit.
Owner:ANHUI KANGLIYA CO LTD +1

Coil-type multi-dimensional controllable temporary plugging ball as well as preparation method and application of coil-type multi-dimensional controllable temporary plugging ball

The invention relates to the technical field of oil and gas exploitation fracturing, in particular to a coil type multi-dimensional controllable temporary plugging ball and a preparation method and application thereof.The coil type multi-dimensional controllable temporary plugging ball is prepared from 10-60 parts of degradable fibers, 10-80 parts of elastic fibers, 5-10 parts of an adhesive, 1-3 parts of a degradation agent and 1-30 parts of a density regulator; blending the degradable fibers and the elastic fibers in proportion to form elastic wire harnesses; an elastic wire harness is wound, an adhesive, a degradation agent and a density regulator are continuously wrapped in the winding process, and finally a wire ball type sphere or ellipsoid is formed through winding, namely the temporary plugging ball is formed. The special-shaped hole temporary plugging agent has the beneficial effects that the special-shaped hole is easily subjected to secondary molding plugging and self-adaptive plugging, the temporary plugging effect is good, and plugging removal can be achieved after rapid dissolution.
Owner:SICHUAN CHUANQING UNDERGROUND TECHNOLOGY CO LTD

Multi-fiber all-in-one velvet four-side elastic shark pants thermal velvet fabric and preparation method thereof

The invention relates to the field of textile fabrics, in particular to a multi-fiber all-in-one suede four-way stretch shark trouser warm-keeping suede fabric which comprises a weave 1 matched with weft plain stitch weave and made of nylon / polyester filament yarn core-spun elastic fiber spandex materials, a weave 2 adopting core-spun yarn of the weave 1 and matched with elastic spandex, and a weave 3 which is vertically connected double rib weave. Chemical fiber filaments and elastic fibers are adopted as connecting lines, and the weave 4 is a looped pile weave and is made of cellulose fibers with high hygroscopicity and excellent skin-friendly performance. Through the innovative combination of the weave 1 and the weave 4, the fabric has the multiple functions of fine appearance, four-side elastic property, bulge prevention, high elastic resilience, environmental protection, health, skin fitting, comfort, static resistance and the like, and meets the high requirements of underwear in autumn and winter for comprehensive performance.
Owner:SHANGHAI NUOZHAO KNITS CO LTD

A method for preparing MXene / TPU conductive fibers

The present invention discloses a method for preparing MXene / TPU conductive fiber, which belongs to the technical field of composite conductive fiber electrode preparation. x The PDA@MXene conductive ink obtained by surface modification of MXene nanosheets with dopamine hydrochloride is loaded onto the large-scale prepared MXene / TPU wet-spun conductive elastic fibers by dipping and coating to prepare PDA@MXene / TPU elastic fiber electrodes. The conductive properties of the composite fiber are used to develop structurally designable flexible self-powered sensing fabrics and fabric-based friction nanogenerators. The present invention solves the contradiction between high deformability, electrical properties and wearing comfort of flexible stretchable fiber electrodes; the surface modification of MXene by in-situ self-polymerization of dopamine solves the interface problem of MXene on the fiber surface, including but not limited to enhancing the adhesion properties between the conductive ink and the fiber and improving the electrical stability of the stretchable fiber electrode.
Owner:JIANGNAN UNIV

Elastic fabric and manufacturing method for textile

An elastic fabric and a manufacturing method therefor. TPU fibers are used as elastic fiber materials, the TPU fibers are processed into elastic yarns, and by means of structural designs of the elastic yarns and a textile, and in cooperating with textile dyeing and finishing processes for corresponding processing, the fabric having excellent elasticity and good hand feel is obtained. The warp-direction elastic elongation of a woven fabric can reach 35-70%, and the weft-direction elastic elongation thereof can reach 80-130%; the warp-direction elastic elongation of a knitted fabric can reach 180-250%, and the weft-direction elastic elongation thereof can reach 250-360%; the textile has low elastic modulus and low elastic recovery rate, and garments made from this textile deliver minimal wearing constriction; the surface of the textile can achieve a special crepe style and has excellent hand feel.
Owner:HONGZHI (SHANGHAI) TECHNOLOGY CO LTD

Elastic fiber reinforced hydrophobic eutectic composite gel as well as preparation method and application thereof

The invention discloses elastic fiber reinforced hydrophobic eutectic composite gel as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The method for preparing the elastic fiber reinforced hydrophobic eutecticevaporate composite gel comprises the following steps: (1) carrying out heat treatment on an elastic fiber membrane at 100-150 DEG C for 20-200 minutes, soaking the elastic fiber membrane in an ethanol solution of benzophenone, taking out the elastic fiber membrane, and drying the elastic fiber membrane to obtain the treated elastic fiber membrane; (2) uniformly mixing a polymeric monomer, a cross-linking agent, a photoinitiator and a hydrophobic eutectic solvent to obtain a hydrophobic eutectic composite gel precursor solution; and (3) putting the treated elastic fiber membrane into the precursor solution of the hydrophobic eutectic composite gel, defoaming, and carrying out photo-initiation polymerization to obtain the elastic fiber reinforced hydrophobic eutectic composite gel. According to the prepared composite gel, the mechanical strength and fatigue resistance are effectively improved through the elastic fibers, and the composite gel has good adhesiveness.
Owner:JIANGNAN UNIV

Spandex waste silk recycling regenerated high-elasticity fiber

The invention relates to the technical field of recycling of waste spandex filaments, in particular to a regenerated high-elasticity fiber prepared by recycling the waste spandex filaments, the waste spandex filaments are converted into high-performance materials such as regenerated polyurethane through advanced technologies such as melting thermal degradation, resource recycling can be achieved, resource waste is reduced, and the regenerated high-elasticity fiber is prepared. Spandex waste silk is treated by adopting a melting thermal degradation technology, and a high-quality regenerated polyurethane raw material can be obtained by accurately controlling degradation conditions and parameters, so that a foundation is laid for subsequent preparation of high-performance fibers; secondly, in the preparation process of the modified thermoplastic polyester elastomer and the modified filler component, a silane coupling agent is adopted for chemical modification treatment, so that not only can the surface performance of the material be improved, but also the interaction force between the materials can be enhanced, and the overall performance of the fiber is improved; in the process of preparing the regenerated high-elasticity fiber, uniform mixing and full reaction of all the components can be ensured by adopting the technologies of internal mixing, extrusion and the like, so that the regenerated fiber with excellent performance is prepared.
Owner:JIANGSU QIAOXIN FIBER

High-strength and high-ductility damage self-repairing cement-based composite material based on spiral memory alloy fibers and preparation method of high-strength and high-ductility damage self-repairing cement-based composite material

The invention provides a high-strength and high-ductility damage self-repairing cement-based composite material based on spiral memory alloy fibers and a preparation method of the high-strength and high-ductility damage self-repairing cement-based composite material, and belongs to the technical field of underwater engineering concrete structures. According to the invention, the matrix mix proportion of the cement-based composite material and the hybrid reinforcement effect of the three fibers on the matrix are redesigned, so that the tensile strain capacity is also remarkably improved while the strength of the UHPSC is improved, and the deformation ductility and the cumulative energy dissipation capacity of the cement-based composite material are further remarkably enhanced; as the spiral superelastic SMA fibers have self-resetting capacity, restoring force can be provided for the unloaded cement-based composite material, tensile cracks of the cement-based composite material are promoted to be automatically closed or the width of residual cracks of the cement-based composite material is obviously reduced, and on the basis, the self-healing capacity of an incompletely hydrated cementing material in the cement-based composite material is matched, so that the self-healing performance of the cement-based composite material is improved. And the UHPSC material can present a good damage self-repairing effect.
Owner:SANYA MARINE LAB

Compositions, cosmetics and methods of making for lifting skin tightness

ActiveCN117338646BCollagenanSKIN TIGHTNESS
The present application relates to the field of cosmetic technology, in particular to a composition for improving skin firmness, a cosmetic and a preparation method thereof.The composition for improving skin firmness comprises the following components by weight: 0.1-10 parts of golden microalgae, 0.1-20 parts of rice fermentation liquor and 0.01-3 parts of inositol; wherein the fermentation strain of the rice fermentation liquor is yeast.The composition for improving skin firmness is mild and non-irritating, has strong permeability, can be used in cosmetics, enhances the generation of skin collagen and elastic fibers, and effectively improves skin firmness and elasticity.
Owner:MAGELINE BIOLOGY TECH CO LTD

Interlock Knit Textiles and Methods of Making and Using Same

Interlock knit textiles and methods of forming and using interlock knit textiles are described. Three structural properties have been found to contribute to improved stretch properties in interlock knits. The three structural properties include the use of a unique knitted loop shape, the use of fine filament yarns, and the use of elasticated yarns having lower hysteresis than conventional elastane. The described interlock knit textiles can include one, two or all three of these structural properties. The improved stretch properties can include values for percent elongation or modulus in the length direction which are close to or the same as their values in the width direction.
Owner:LULULEMON ATHLETICA CANADA INC

High color fastness jacquard fabric

The utility model relates to the field of mesh cloth provides a high colour fastness jacking mesh cloth, solves the defect that the colour fastness of jacking mesh cloth of prior art is not high, including mesh cloth body, the mesh cloth body is by surface layer, connecting layer and bottom layer constitutes, the surface layer has jacquard weave, the surface layer is woven by wear -resisting fibre yarn and chinlon fibre yarn according to 2: 1 3: 1's number of strands, the connecting layer is the elastic fibre yarn with support performance, one end of connecting layer is connected with surface layer, the other end is connected with bottom layer, the bottom layer is woven by antibacterial microcapsule fibre yarn and moisture -absorbing and sweat -releasing fibre yarn according to 1: 1 1: 2's number of strands.
Owner:FUJIAN RUIHONG JACQUARD LNDUSTRY CO LTD

A reinforced polyamide 6-based parallel composite elastic fiber and its preparation method

The present invention relates to a reinforced polyamide 6-based parallel composite elastic fiber and a preparation method thereof. The present invention utilizes a three-step melt polymerization method to prepare a PA6-based polyetherester-based thermoplastic elastomer with high viscosity, excellent mechanical properties, and significant elasticity using a polyetherester diol as a soft segment. The PA6-based polyetherester-based thermoplastic elastomer is then composited with PA6 in parallel and melt-spun to produce a PA6-based parallel composite elastic fiber exhibiting both intrinsic and morphological elasticity. Compared to existing technologies, the present invention offers a simpler preparation process and facilitates large-scale production. The resulting PA6-based parallel composite elastic fiber exhibits good compatibility, significant elasticity, and excellent mechanical properties, with a strength of up to 3.57 cN / dtex, meeting market demand for both functionalized materials and elastic fibers.
Owner:DONGHUA UNIV

Composite elastomer carding spunlace non-woven fabric and preparation method thereof

The invention relates to a carding spunlace non-woven fabric of a composite elastomer and a preparation method thereof, the carding spunlace non-woven fabric of the composite elastomer is prepared from the elastomer and inelastic fiber by adopting a carding web-forming composite spunlace entanglement process, the elastomer is one or a combination of a polyolefin elastomer, a polyurethane elastomer and a spandex elastomer, and the inelastic fiber is one or a combination of the polyolefin elastomer, the polyurethane elastomer and the spandex elastomer. The non-elastic fibers are one or a combination of cellulosic fibers, polyester fibers and polypropylene fibers, and are arranged into a three-dimensional net structure in a carding net forming manner, so that the prepared carding spunlace non-woven fabric has transverse elasticity. According to the product prepared by the invention, the elastomer is used as a skeleton structure and is compounded with inelastic fibers such as the cellulosic fibers, the polyester fibers and the polypropylene fibers, so that the transverse tensile elasticity of the material is realized while better hygroscopicity, air permeability and softness are maintained.
Owner:HANGZHOU JICHENG NEW MATERIAL TECHNOLOGY CO LTD

Anti-skid and anti-permeation injection molded glove for bionic robot and preparation method thereof

PendingCN122876672ANylon 66ALLYL SUCROSE
The present application relates to the technical field of robot protection and polymer injection molding, in particular to an anti-skid and anti-seepage injection glove for bionic robots and a preparation method thereof. The glove is based on an inner container, which is formed by zoned weaving of nylon 66 filaments and spandex elastic fibers to form a circular arc fingertip section, a density gradient transition zone and a knuckle section. After surface activation and polyacrylic acid grafting, the knuckle section and the density gradient transition zone are subjected to axial zoned grafting with dodecylamine, and then global supplementary grafting is performed with hexylamine to obtain a hydrophobic modified glove inner container. After heat setting, a continuous injection molding plastic layer is formed on the outer surface of the glove. The present application is conducive to reducing the inner container slip and plastic seepage during injection molding, and also takes into account the fingertip cushioning and the stability of the injection molding layer combination, and is suitable for the protection and coating of multi-finger and multi-joint bionic robot dexterous hands.
Owner:HUIHONG NANTONG SAFETY PRODS +1