29 results about "Elastic fiber" patented technology

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.

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.

A second aspect relates to a polyalkylene terephthalate polymer obtained or obtainable from the method of the first aspect. A third aspect relates to the use of the polyalkylene terephthalate polymer of the second aspect for textile, fiber, packaging, plastic, automotive, and electronic applications. A fourth aspect relates to a method for producing products, comprising (I) providing a polyalkylene terephthalate polymer of the second aspect, and (II) producing textiles, fibers, packaging, plastics, automotive parts, and electronic parts from the polyalkylene terephthalate polymer provided in (I). A fifth aspect relates to a method comprising a further step of converting a again obtained polyalkylene terephthalate polymer obtained by the method of the first aspect to obtain a polymer product. A sixth aspect relates to a method comprising a further step of converting a residue obtained or obtainable from the method of the first aspect, and / or converting an elastic fiber residue obtained or obtainable from the method of the first aspect to obtain one or more monomers, polymers, or polymer products.

The present application relates to the technical field of textiles, and provides a preparation method of a multi-directional elastic environment-friendly cloth, which solves the problem that existing elastic fabrics are difficult to simultaneously consider warmth, light weight, excellent multi-directional elasticity and environmental friendliness; the method comprises the following steps: S1, raw material preparation: including warp yarn, filling-in warp yarn and weft yarn; S2, on-machine weaving: on a loom, the warp yarn, the filling-in warp yarn and the weft yarn are interwoven to form a gray cloth with a three-dimensional net-like structure; the warp yarn is sequentially interwoven with weft yarns of different layers in a periodically changing oblique path to form a surface layer and a bottom layer of the fabric; the filling-in warp yarn is constrained in a straight line state between the surface layer and the bottom layer and does not interweave with the weft yarns; S3, post-finishing: the gray cloth obtained in step S2 is subjected to heat setting treatment to obtain a multi-directional elastic environment-friendly cloth; wherein the warp yarn is a composite porous elastic fiber; the weft yarn is a PTT filament; and the filling-in warp yarn is a para-aramid filament.

This invention relates to a blending process for hemp fiber and sorona fiber, belonging to the technical field of blending and processing of natural fibers and bio-based elastic fibers. The blending process for hemp fiber and sorona fiber of this invention includes the following steps: raw material selection → pre-spinning process → post-spinning process → packaging. This invention solves the problems of poor spinnability, high breakage rate, and stiffness and wrinkling in pure wet-spun hemp through specific proportions and wet spinning processes, achieving high-count, stable, and high-quality production. This significantly improves spinnability, enhances yarn quality, and greatly improves hand feel and comfort, achieving high elasticity and comfort to meet user needs.

This application belongs to the field of spandex functional fiber technology and discloses a highly conductive elastic fiber and its preparation method. The method involves dehydrating polytetrahydrofuran, reacting it with isocyanate, a catalyst, and a chain extender, and then dissolving it in DMF to obtain a polyurethane prepolymer solution. An amino-modified aniline oligomer solution is added to the polyurethane prepolymer solution to graft the aniline oligomer onto the polyurethane molecular chain, resulting in a spinning mother liquor. A modifying dopant and an antistatic agent are added to the spinning mother liquor to prepare a composite spinning solution. The composite spinning solution is then subjected to wet spinning and post-treatment to obtain the highly conductive elastic fiber. This application covalently grafts the aniline oligomer onto the polyurethane molecular chain and uses a modifying dopant to improve the conductivity and tensile strength of the aniline oligomer, solving the problems of easy detachment and agglomeration of conductive materials. This achieves a synergistic effect of high conductivity and high elasticity, making it suitable for flexible electronics, smart wearables, and other fields.

The utility model discloses an anti -wrinkle type knitted fabric, the fabric is with 8 ways for one knitting cycle unit, 1 way, 2 way, 5 way and 8 way weave into first yarn, 3 way and 7 way weave into second yarn, 4 way and 6 way weave into third yarn, the structural unit of each same needle path in 3 way, 5 way and 7 way is same, the structural unit of each same needle path in 4 way, 6 way and 8 way is same, and 3 way, 4 way, 5 way, 6 way, 7 way and 8 way all are in the way of knitting of spacing of loop and float with needle cylinder below, and all include elastic fiber in first yarn, second yarn and third yarn. The utility model discloses by spacing alternation design of loop and float in 3 way, 5 way, 7 way and 4 way, 6 way and 8 way organization knitting structure, can give the deformation buffer space of fabric, then match on spandex, polyester high elastic silk deodorant lycra, and the proportion of elastic fiber is more than 50%, and the stretch recovery rate is more than 85%, and the wrinkle resistance has been improved greatly.

This invention relates to the field of fiber processing technology and discloses a near-infrared shielding elastic fiber and its preparation method. The method includes: (1) drying and melt spinning a styrene-ethylene-butene-styrene block copolymer to obtain an elastic fiber; and mixing MXene, dopamine hydrochloride and a dispersant in the presence of a solvent to obtain an impregnation solution; (2) impregnating the elastic fiber in the impregnation solution to obtain the near-infrared shielding elastic fiber. The near-infrared shielding elastic fiber prepared by the method provided by this invention has excellent near-infrared shielding effect and mechanical properties, and the preparation method provided by this invention is simple and has good economic value and application prospects.

The utility model discloses a kind of anti-twist devices for elastic fiber machine, including bottom plate, fixed frame, the wire roller is rotatably arranged in the both sides of bottom plate, the inside upper portion of bottom plate is provided with blowing assembly;Blowing assembly includes first pivot, third pivot, the both sides of first pivot are provided with first fan blade, the inside rotation of fixed frame is provided with second pivot, the top of second pivot is provided with second fan blade, the middle end position of first pivot is provided with two first bevel gears, the bottom of second pivot is provided with second bevel gear, the utility model: by the blowing heat dissipation of second fan blade towards the anti-twist roller in upper portion, i.

This utility model provides a parallel spinning nozzle device for hollow high-elastic fiber forming, including a positioning plate. Two support frames are fixedly connected to the upper side of the positioning plate. A motor is mounted on the upper side of each support frame, and a threaded rod is fixedly connected to the output end of the motor. A lifting seat is threaded onto the threaded rod, and a feed pump is mounted on the upper side of the lifting seat. A winding assembly is located on the upper side of the positioning plate, between the two support frames, and a spinning nozzle is located on one side of the lifting seat. By setting a limiting mechanism and a sleeve in a coordinated structure, the limiting mechanism drives the extrusion block via a screw to engage a U-shaped connecting rod. Combined with the elastic locking of an L-shaped rocker and a spring, this achieves dual rapid locking and convenient disassembly of the spinning nozzle. This improves the fiber forming accuracy by preventing nozzle loosening caused by vibration, shortens the disassembly and assembly time during maintenance, and enhances the continuous operating efficiency of the equipment.

The present application relates to the technical field of towel yarn, and particularly relates to a low-feather-loss high-water-absorption and soft elastic wool warp yarn as well as a preparation method and application thereof. The low-feather-loss high-water-absorption and soft elastic wool warp yarn is characterized in that the wool warp yarn is a blended yarn of cotton fibers and double-component elastic fibers, the proportion of the cotton fibers is 90-97%, the proportion of the double-component elastic fibers is 3-10%, the yarn count of the wool warp yarn is between 24.6 tex and 97.2 tex, and the twist factor of the wool warp yarn is between 220 and 280. The product is obtained through a specific cotton blending method, a cotton carding method and a spinning method, and the terry fabric obtained through the wool warp yarn has excellent characteristics such as a pure cotton soft and elastic touch similar to sponge, low feather loss and high water absorption.

The present invention relates to a gel composition for wound dressing comprising alloferon as an active ingredient, wherein the composition comprises alloferon having excellent anti-inflammatory activity, and further comprises additional components capable of forming a physical barrier on damaged skin tissue to protect a wound site and to provide and retain moisture. The composition of the present invention protects a wound site vulnerable to ultraviolet radiation, alleviates inflammation, and prevents destruction of elastic fibers in the skin and epidermal hyperplasia. Accordingly, the composition can be advantageously utilized as a gel composition for wound dressing to prevent, ameliorate, alleviate, or treat skin inflammation induced by ultraviolet radiation.

The application discloses a biodegradable self-crimping bicomponent composite elastic fiber, which is prepared from biodegradable polybutylene succinate and polylactic acid as raw materials, with a mass ratio of 20 / 80-80 / 20, through vacuum drying, screw extrusion melting and parallel composite spinning, and through blowing, cooling, oiling, drafting and winding processes. The self-crimping bicomponent composite elastic fiber has good compatibility and biodegradability, can effectively reduce environmental pollution, has good mechanical properties, tensile elasticity and elastic recovery performance, and is suitable for application in the fields of elastic fibers for textiles, medical devices and household supplies.

The application discloses a kind of high-strength high-elasticity bio-based polyamide elastomer, preparation method and elastic fiber, and bio-based polyamide is hard segment for bio-based polyamide elastomer, polyether or polyhydric alcohol is soft segment;The weight average molecular weight ratio of the hard segment and soft segment is 1-9;Subsequently, elastic fiber is prepared by melt spinning.The application controls the ratio of the weight average molecular weight of soft segment and hard segment, so that the elastomer has good fiber-forming property, strength and elasticity, and realizes the flexible control of the strength and elastic recovery rate of the elastomer, finally obtains polyamide elastomer with different strength and elastic recovery rate, can meet the needs of different fields, realizes the multifunctional application of polyamide elastomer.

This invention discloses the application of ML-SA5, a highly specific small molecule agonist of TRPML1, for the preparation of drugs against aortic aneurysms or aortic dissections. An aortic aneurysm model was constructed, and an aortic dissection model was established using Fbn1 point mutations. The severity of aortic aneurysms or aortic dissections in control and experimental mice was assessed using small animal ultrasound and aortic morphology staining. Results showed that intraperitoneal injection of ML-SA5 or overexpression of TRPML1 significantly reduced abdominal aortic aneurysm / dissection lesions in mice; it also reduced elastic fiber degradation and smooth muscle cell destruction in abdominal aortic aneurysms, decreased the increase in media thickness and collagen fiber deposition in aortic dissections, further improving the progression and histopathological damage of abdominal aortic aneurysms / dissections. This drug showed good therapeutic effects in animal experiments, with high safety and few toxic side effects, and can be used as a drug to inhibit the progression of aortic aneurysms / dissections.

The present invention discloses a disposable or wearable absorbent article (1) comprising one or more elastomeric threads (14) and / or elastomeric strips (16) on / in the backsheet (12) located in the area of ​​the absorbent core (10). The absorbent article (1) is preferably a baby diaper, an incontinence diaper, a panty or a pull-on diaper. The article may have a topsheet (6), a backsheet (12), and an absorbent core (10) disposed between the topsheet (6) and the backsheet (12), and a pair of longitudinal side edges. The elastomeric threads (14) and / or elastomeric strips (16) are attached to the longitudinal axis of the backsheet (12) of the absorbent article (1) in the stretched state, whereby the backsheet has a gathered shape when the absorbent article is in a relaxed state. The absorbent article (1) fits better on the user's buttocks, without sagging, when the article is worn.

This invention discloses a device for high-temperature texturing of mixed-color yarn and a method for preparing protective gloves, relating to the field of yarn production technology. The device includes a lower protective cylinder with an upper cylinder fixedly mounted at its upper end. Yarn bodies penetrate the inner cavities of both the lower and upper protective cylinders. A negative ion emitting mechanism is installed at the bottom of the inner cavity of the lower protective cylinder. The device comprises the following raw materials and their weight fractions: high-strength nylon, polyester, polyethylene fiber, carbon fiber bundles, and elastic fiber. The beneficial effects of this invention are: when the yarn body carrying negative ions enters the conical oiling cavity, the oil mist continuously washes and envelops the yarn body from all directions and angles with the spiral airflow, allowing the yarn body to contact the oil mist evenly. Simultaneously, because the yarn body carries negative ions, the oil mist can be effectively adsorbed onto the yarn body, completing the uniform oiling operation.

This utility model discloses a compression-resistant multi-layer rubber sealing ring, relating to the field of sealing ring technology. It includes a protective layer with an elastic inner core inside, forming a multi-layer sealing ring. An interlayer is formed between the inner side of the protective layer and the outer side of the elastic inner core. The interlayer contains a compression-resistant structure, comprising a first compression-resistant layer and a second compression-resistant layer located within the interlayer. The first and second compression-resistant layers are respectively composed of equidistant, annularly distributed limiting ropes located on both sides of the interlayer. This compression-resistant multi-layer rubber sealing ring employs a mesh design combining wavy, non-elastic limiting ropes and elastic structural ropes in its compression-resistant interlayer structure. The limiting ropes are made of non-elastic fiber material and are vertically distributed in a wavy pattern, converting vertical pressure into horizontal stress to prevent lateral tearing caused by localized collapse. Simultaneously, the elastic structural ropes allow the sealing ring to undergo slight deformation under pressure to compensate.

The application discloses a kind of self-adapting oil-water separation fiber module for deep sea platform sway condition, the self-adapting oil-water separation fiber module is by several Ω type or approximate Ω type grid structure weaving constitutes three-dimensional porous fiber module, the grid structure is by wire and elastic fiber interweave and constitute, fixed node is arranged at the interlaced point of the grid structure to form damping structure.Under the impact of hydraulic swing, wire can maintain the overall structure stability of module, and elastic fiber will occur reversible deformation.The fiber module of the application not only can be passive to adapt to flow rate change, but also can actively stabilize flow field, while with the wettability of fiber and compression-rebound movement to strengthen oil droplet capture, desorption and coalescence process, suitable for offshore floating facility oil-water separation system, can significantly improve the oil-water separation stability and efficiency under the harsh conditions such as continuous swing and intermittent impact.

This invention discloses an elastic fabric with a striped weave. The elastic fabric has a striped portion and a ground portion. The striped portion exists in at least one direction, either warp or weft, and the fibers forming the striped portion in at least one direction are high-elastic fibers, while the fibers forming the ground portion are all low-elastic fibers. The elongation attenuation of the low-elastic fibers is 10.0% to 20.0%, and the elongation attenuation of the high-elastic fibers is 20.0% to 40.0% greater than that of the low-elastic fibers. This invention is an elastic fabric with a striped weave formed from high-elastic fibers and low-elastic fibers with a difference in elongation attenuation. The fabric surface has a striped or grid-like uneven structure, providing good breathability and minimizing the contact area with the skin.

Absorbent articles are disclosed that, in one embodiment, can comprise feminine hygiene products. The absorbent articles can include a multi-layer absorbent substrate. The absorbent substrate contains a retention layer comprised of superabsorbent material and resilient fibers. The ratio between the superabsorbent material and the resilient fibers is controlled so as to produce an absorbent substrate that is well suited for absorbing not only urine but also more viscous fluids such as menses.

This utility model relates to the field of packaging box strapping technology, specifically to an automatic strapping device for elastic fiber packaging boxes. It includes an operating frame with guide grooves on one side of its upper surface. A strapping machine is mounted on the top side of the operating frame. Fixed plates are mounted on the front and rear ends of the bottom of the operating frame. An electric telescopic rod is mounted on one outer wall of the fixed plate. The device has a reasonable structure. After the elastic fiber packaging box is placed on the strapping machine for strapping, the electric telescopic rod drives the mounting plate to move directly above the packaging box. Then, motor B drives two sets of clamps to move inward, clamping and fixing the packaging box. Finally, motor A drives the turntable to rotate, and motor B drives the clamps and electric telescopic rod to reset, adjusting the orientation of the packaging box. The strapping machine then straps the box again, achieving automated cross-shaped strapping of the elastic fiber packaging box.

A denim textile may be manufactured using a warp yarn and a weft yarn that give the denim textile cut-resistant properties. The warp and weft yarns may both have a first covering layer which is made from Ultra-High Molecular Weight Polyethylene (UHMWPE). The UHMWPE may provide cut-resistant properties to each of the warp yarn and weft yarn. Each of the warp yarn and weft yarn may also have a second covering of nylon. The nylon may give the denim textile a softer, more comfortable texture and flexibility, and may serve to impart a specific color on the denim textile. The weft yarn may additionally have a cotton, polyester and rayon fibers blended core that may also include spandex and / or other stretch fibers, which may collectively give the denim additional softness and flexibility. The resulting denim textile is expected to meet various ANSI test requirements for cut resistance and durability.

The application belongs to the technical field of spandex functional fibers, and discloses a high-conductivity elastic fiber and a preparation method thereof. After polytetrahydrofuran is dehydrated, the polytetrahydrofuran is reacted with isocyanate, a catalyst and a chain extender to obtain a polyurethane prepolymer solution; an amino-modified aniline oligomer solution is added to the polyurethane prepolymer solution to graft the aniline oligomer to a polyurethane molecular chain, and a spinning mother liquor is obtained; a modified dopant and an antistatic agent are added to the spinning mother liquor to prepare a composite spinning solution; and the composite spinning solution is subjected to wet spinning and post-treatment to obtain the high-conductivity elastic fiber. The application grafts the aniline oligomer to the polyurethane molecular chain through covalent bonding, and uses the modified dopant to improve the conductivity and tensile resistance of the aniline oligomer, thereby solving the problems of easy falling off and easy agglomeration of the conductive material, and realizing the synergy of high conductivity and high elasticity, and being suitable for the fields of flexible electronics, smart wear and the like.

This utility model discloses a warm knitted fabric, relating to the textile field. The key technical points are: it includes a base layer, comprising a first yarn and a second yarn, both forming a sparse structure. The length of the first yarn is greater than the length of the second yarn. The second yarn is formed by twisting elastic fiber bundles. The first yarn forms loops on one side of the base layer. In this utility model, the sparse portion of the first yarn is bent to form loops, and the loop array is located on one side of the knitted fabric, forming a pile structure. This improves warmth by slowing down the airflow speed on that side of the knitted fabric. The cotton fiber bundles themselves have good warmth retention, further enhancing the warmth retention of the knitted fabric. The loops formed by the knitting structure are fixed at both ends to the knitted fabric, exhibiting higher stability compared to pile structures formed by flocking and brushing.

The present disclosure relates to pharmaceutical compositions capable of regulating elastic fiber. The disclosure further relates to methods of treating elastic fiber-related disorders, such as COPD, by inhalation of low-molecular weight hyaluronic acid.

The present application relates to the field of textiles, and particularly relates to a functional chenille knitted fabric and a preparation method thereof. The fabric yarns of the chenille knitted fabric include first yarns, second yarns and third yarns. The knitted fabric includes an inner layer, an intermediate layer and an outer layer. The first yarns, the second yarns and the third yarns jointly form the inner layer of the knitted fabric. The first yarns and the second yarns jointly form the intermediate layer of the knitted fabric. The first yarns alone form the outer layer of the knitted fabric. The first yarns are modified chenille yarns. The core yarns of the modified chenille yarns are profiled cross-section modified polyester fiber or polyamide fiber yarns. The feather yarns of the modified chenille yarns are blended or pure hydrophilic fiber yarns. The second yarns are elastic fiber yarn cover yarns. The knitted fabric has comfortable elasticity and is not tight. The knitted fabric is not prone to deformation and affects the appearance of the garment after long-term wearing. The knitted fabric has excellent anti-pilling and anti-snagging properties, good air permeability and moisture permeability, and good warmth retention. The knitted fabric has durable moisture absorption, quick drying and one-way moisture transfer functions.

This utility model relates to the field of high-altitude operation technology, specifically an elastic tightening high-altitude operation rope net, comprising a crisscrossing rope body, the intersections of which are heat-fused and pressed together to form a solid knot, and a double-layered sewn closed-loop rope channel at the edge, with an outer pull rope passing through the channel and its length greater than the channel circumference, the two ends being connected by a metal connecting ring to force the edge of the rope to expand and tighten autonomously, and a binding rope spirally wrapped around the outer circumference of the outer pull rope to form an intermittent loop, which is anchored to the outer frame by an adjustable knot, forming a four-level transmission chain of rope net - outer pull rope - binding rope - frame. The rope body is made of polyester or nylon single fiber material, and the outer pull rope and binding rope are independently selected and combined with elastic fibers or mixed with them, achieving self-tensioning without external force through the length difference of the outer pull rope; the binding rope nesting design allows for independent disassembly and replacement of the outer pull rope; the edge closed loop and heat-fused nodes simultaneously improve tear resistance, providing passive fall protection for high-altitude operations in construction and power.

This utility model discloses a special forceps for fixing loose teeth that can stabilize the resin fiber splint and prevent light scattering. It includes a forceps body composed of an upper body and a lower body arranged in parallel. The upper and lower bodies are respectively connected to an upper clamping part and a lower clamping part at their bottoms. The upper surface of the upper clamping part has a curing lamp housing, the lower surface of the upper clamping part has a splint placement opening, and the upper surface of the lower clamping part has an elastic plastic pad. The entire utility model is made of opaque stainless steel, which blocks scattered light when the curing lamp is operating, protecting the eyes. Furthermore, the circular placement hole and light-emitting hole in the curing lamp housing allow light to directly illuminate the target location, preventing the elastic fiber-composite resin splint outside the curing lamp housing from hardening. The combined action of the splint placement opening and the elastic plastic pad prevents the elastic fiber-composite resin splint from slipping, achieving a good adhesive fixation of the affected tooth.