26 results about "Elastic fibres" patented technology

The invention discloses a galiaceae-euphorbia tripsacus compound extract as well as a preparation method and vagina repair application thereof. The compound extract is prepared from galiaceae herbs and euphorbia tripsacus according to a scientific ratio through compound enzymolysis pretreatment, gradient ethanol solvent step-by-step extraction and double-resin series purification. According to the preparation method, the dissolution rate of the active components is remarkably increased by utilizing an enzymolysis wall breaking technology, the problem that the purity of the multi-polar components (tannin, flavone and polysaccharide) is difficult to increase and extract at the same time is solved through gradient extraction and series purification, and the purity of the total active components is more than or equal to 60%. The obtained composite extract has multiple effects of astringing and tightening, promoting regeneration of elastic fibers and improving contractility of smooth muscles, and is safe and non-irritant. The invention further discloses targeted sustained-release gel containing the extract, and the targeted sustained-release gel can be used for improving vaginal relaxation and deeply repairing private parts.

Antibodies and antigen binding fragments thereof that specifically recognize and bind an epitope of elastin that is exposed and accessible in degraded elastic fiber are described. The antibodies and / or antigen binding fragments can be operably linked to a secondary component, including biologically active agents such as therapeutics and / or imaging agents. Optionally, the antibodies and / or antigen binding fragments thereof can be attached to a surface of a carrier, such as a particle, for specific binding and delivery of the carried agents to degraded elastic fiber.

The application belongs to the technical field of biological medicine, and relates to application of a CXCL14 inhibitor in preparation of a drug for preventing or treating abdominal aortic aneurysm of a patient. The inhibitor effectively eliminates the gender difference of abdominal aortic aneurysm by specifically blocking the combination of CXCL14 and its receptor CXCR4, significantly reduces aortic macrophage infiltration and PDGFRA + macrophage accumulation in the progress of abdominal aortic aneurysm, reduces the degree of collagen degradation and elastic fiber damage, and thus inhibits the pathological progress of abdominal aortic aneurysm. The application provides a new target and drug combination for precise treatment of male abdominal aortic aneurysm, and has clear clinical application value.

The invention relates to the technical field of temporary plugging materials, in particular to a bag filling type self-adaptive shaping temporary plugging material and a preparation method thereof.A bag is formed by blending 50% of elastic fibers and 50% of degradable fibers, the elasticity and deformation capacity after sewing are guaranteed, controllable biodegradation is achieved, blended gauze can be automatically degraded after temporary plugging is conducted, and the bag filling type self-adaptive shaping temporary plugging material is formed. Residue retention is reduced, and reservoir damage is reduced; the bag filling type self-adaptive shaping temporary plugging material prepared by the invention can be freely assembled and filled, is flexible and variable in shape and size, is simple to process and is relatively low in production cost; the bag filling type self-adaptive shaping temporary plugging material is good in flexibility and high in plasticity, can be shaped in a self-adaptive manner after absorbing water and expanding, has a good temporary plugging effect on special-shaped holes, is good in stability and is not easy to disperse; the degradation agent is added, so that the bag filling type self-adaptive shaping temporary plugging material can begin to be completely dissolved after being soaked in a working solution, the later dissolution rate is increased, rapid dissolution and plug removal after fracturing are achieved, and an oil and gas channel is recovered to be unblocked.

Systems, methods, and devices for internal wound treatment include a hemostasis device. The hemostasis device has an insertion tube extending from a base portion. One or more openings are formed into a surface of the insertion tube. Additionally, the hemostasis device includes an inflation pump couplable to a proximal of the insertion tube for pumping air into an inner channel of the insertion tube. A wound channel balloon is disposed at least partially around the insertion tube such that an actuation of the inflation pump causes the air to flow from the inner channel through the one or more openings and inflate the wound channel balloon. The wound channel balloon can include a grooved elastic fiber, one or more bulges, and / or one or more branches. Furthermore, a collagen gel, an antibiotic, a blood clotting agent, an analgesic, stem cells, a sealant, and / or a lubricant can be disposed on the wound channel balloon.

The present invention relates to the technical field of refractories, and specifically discloses an elastic fiber sealing material for coke oven sealing and a preparation method thereof. By mass component ratio, it includes: shredded fiber cotton 10 - 12%, low-fiber sepiolite fiber 3 - 5%, high-fiber sepiolite fiber 3 - 5%, aluminosilicate refractory powder 28% - 32%, Guangxi white clay 4 - 6%, aluminum sulfate solution with a specific gravity of 1.28 3 - 5%, and water 40 - 48%. In the elastic fiber sealing material for coke oven sealing provided by the present invention, the shredded fiber cotton is shredded from the waste of aluminosilicate fiber blanket by a fiber shredder, and the content of Al2O3 + SiO2 ≥ 80%. The shredded fiber cotton is more likely to be dispersed in the sealing material. During shredding, only the original blanket structure is broken up, and the fibers are well maintained. When added to the sealing material, it can effectively reduce the density of the sealing material and maintain the structural integrity, and is not prone to cracking. Compared with the existing sealing treatment methods, the elastic fiber sealing material is easy to operate during construction and application. It is easy to fill and compact gaps of any size, has good integrity and does not crack, and can be applied by brushing or spraying, facilitating large-area construction.

The present invention relates to a highly conductive and strain-insensitive elastic fiber, its preparation, and application. The conductive fiber has a helical layered structure and comprises an elastic porous fiber membrane and a liquid metal composite material. The fiber produced using this invention exhibits high electrical conductivity and is insensitive to mechanical strain, showing promising application prospects in the field of flexible wearables.

The utility model provides figured cloth with good elasticity and high tensile strength, which relates to the technical field of figured cloth, and comprises an anti-static layer, a first jacquard layer and a second jacquard layer, the first jacquard layer and the second jacquard layer are respectively arranged on the upper surface and the lower surface of the anti-static layer, and each of the first jacquard layer and the second jacquard layer comprises an elastic layer and a reinforcing layer, the elastic layer comprises multiple groups of elasticity enhancing fibers and multiple groups of torsion fibers; the anti-static layer, the first jacquard layer and the second jacquard layer are adopted to form the double-faced jacquard cloth, the jacquard layers on the two sides are the same in structure and are each composed of the elastic layer and the reinforcing layer, in the elastic layer, the first elastic fibers and the second elastic fibers are spirally twisted into a whole to form twisted fibers, the transverse elastic modulus and torsion are increased, and the anti-static effect is achieved. Meanwhile, the elasticity-increasing fibers form fiber rings, the longitudinal elasticity allowance is increased, the elasticity-increasing fibers are clamped into large-hole torsion rings of the torsion fibers and elastically linked with the torsion fibers, and the elasticity of the cloth body is improved in an all-around mode.

The utility model relates to the technical field of sanitary napkins, and provides a self-fitting absorption core and a female hygienic product, the self-fitting absorption core comprises an absorption core body, and an elastic fiber structure is arranged on the absorption core body; the elastic fiber structure comprises at least two compressed expansion layers which are vertically stacked, and a locking structure for controlling the compressed expansion layers to recover; and the locking structure is connected with the expansion layer. The utility model has the advantages that: (1) after the locking structure is loosened, the expansion layer returns to the expansion state, the thickness of the expansion layer is increased, and the expansion layer can fit a female body curve after the thickness is increased, so that the fitting degree of the absorption core body is improved, and side leakage and rear leakage are effectively prevented; and (2) the liquid can be absorbed by the second expansion layer after penetrating through the first expansion layer, so that the accumulation of the liquid on the first expansion layer is avoided, the comfort is improved, and the lateral leakage caused by excessive accumulation of the liquid on the surface is also prevented. And (3) the multi-functionalization of the absorption core can be effectively realized by wrapping different functional substances with the microcapsules.

Antibodies and antigen binding fragments thereof that specifically recognize and bind an epitope of elastin that is exposed and accessible in degraded elastic fiber are described. The antibodies and / or antigen binding fragments can be operably linked to a secondary component, including biologically active agents such as therapeutics and / or imaging agents. Optionally, the antibodies and / or antigen binding fragments thereof can be attached to a surface of a carrier, such as a particle, for specific binding and delivery of the carried agents to degraded elastic fiber.

The utility model relates to the field of female hygienic products, in particular to an absorption core for fading bloodstains and a female hygienic product provided with the same, which comprises a core main body, a compressed elastic fiber structure is arranged on the core main body, and the elastic fiber structure expands in volume after being triggered by liquid. The sanitary product is used for solving the problems that due to the fact that an absorption core of an existing sanitary product for women is still insufficient in menstrual blood absorption speed and absorption amount, menstrual blood stays on the surface of the absorption core, body health of women is affected, use experience is poor, and the sanitary product is not friendly to women with blood faint. Through expansion generated after the elastic fiber structure is triggered, on one hand, menstrual blood is promoted to be quickly transferred downwards through volume increase, and therefore the menstrual blood staying on the surface of the elastic fiber structure is reduced; on the other hand, blood stains on the surface layer of the elastic fiber structure are dispersed through expansion, and the blood stains in the elastic fiber structure are covered by unfolded fibers, so that rapid fading of menstrual blood is formed visually.

The invention relates to the technical field of elastic fiber preparation, and provides an elastic nylon 6 preparation method and a parallel composite elastic fiber manufacturing method and equipment.The elastic nylon 6 preparation method comprises the following steps that based on the mass of a solvent, a polyethylene-octylene copolymer POE, maleic anhydride MAH and an initiator are added, and grafted POE is obtained; adding hexamethylenediamine, and carrying out amidation reaction on the grafted POE and the hexamethylenediamine to obtain amido modified POE; caprolactam is subjected to a ring-opening reaction to generate aminocaproic acid; the aminocaproic acid is subjected to a polymerization reaction to generate nylon 6; adding amido modified POE (Polyolefin Elastomer) to carry out amidation reaction with nylon 6, so as to prepare the elastic nylon 6. Therefore, POE is introduced into a nylon 6 molecular chain through a grafting reaction and an amidation reaction, the elasticity is improved, the elastic nylon 6 containing a flexible chain segment is formed, and the thermal shrinkage performance of the elastic nylon 6 is remarkably different from that of the nylon 6. The low-cost nylon 6 is used for preparing the elastic nylon 6, so that the cost of the elastic component is remarkably reduced.

The utility model relates to the technical field of glass fiber cloth processing, in particular to an even winding creel structure for producing elastic fiber cloth, which comprises a box body, a sliding groove is formed in the front end face of the box body in a penetrating mode, a plurality of evenly-distributed sliding blocks are arranged in the sliding groove, the sliding block in the middle is fixedly connected with the sliding groove, and the sliding block in the middle is fixedly connected with the sliding groove. A spline shaft is rotatably connected between the left end face and the right end face of the interior of the box body, sleeves slidably connected with the spline shaft in a sleeving mode are rotatably connected into the multiple sliding blocks, and the multiple sleeves can be driven to synchronously rotate through cooperation of a driving motor, the spline shaft, the sleeves, a first bevel gear, a second bevel gear and a rotating shaft; the yarn winding device has the advantage of uniform yarn winding, the distance between the adjacent bobbins can be synchronously adjusted through cooperation of the servo motors, the lead screws, the sliding rods, the threaded sleeves and the scissor type telescopic frames, therefore, yarn coils with different diameters can be produced, and practicability is high.

The present invention relates to a fabric comprising a first yarn comprising polylactic acid (PLA) fibres, a second yarn comprising elastic fibres or regenerated cellulose fibres, and a third yarn comprising regenerated cellulose fibres, and its use for the treatment of dermatitis.

Use of a serine / arginine-rich splicing factor 1 (SRSF1) as a therapeutic target for aortic dissection is provided, which belonging to the technical field of biomedicine. The SRSF1 can be used as a target to screen a drug for preventing and / or treating aortic dissection. SRSF1 expression is upregulated in both β-aminopropionitrile (BAPN)-induced aortic dissection model mice and aortic dissection patients. Mice with SRSF1 knockdown in vascular smooth muscle cells (VSMCs) are less susceptible to aortic dissection and elastic fiber degradation induced by BAPN. Mice with high expression of SRSF1 in VSMCs are more susceptible to aortic dissection and elastic fiber degradation induced by BAPN. Mechanistically, the SRSF1 can regulate the inflammatory phenotype of vascular smooth muscle and promote the degradation of vascular extracellular matrix. Knocking down the SRSF1 may improve the above phenomenon, thereby providing a new target for the treatment of aortic dissection.

The present invention provides elastic fiber compositions with reduced show-through effect. Also provided are methods for producing and using these compositions.

The invention discloses application of USP21 in diagnosis and treatment of abdominal aortic aneurysm, and belongs to the field of biological medicine. It is found that the ubiquitin specific protease 21 (USP21) level in abdominal aortic aneurysm tissue is obviously increased compared with normal abdominal aortic aneurysm tissue and is closely related to occurrence and development of abdominal aortic aneurysm (AAA), and further, by knocking down the USP21, the tumor formation rate of the abdominal aortic aneurysm can be reduced, the diameter of the abdominal aortic aneurysm can be reduced, and the conditions of elastic fiber breakage and the like can be improved. Therefore, the USP21 can be used as a diagnosis molecular marker of the abdominal aortic aneurysm and can also be used as a potential treatment target of the abdominal aortic aneurysm. The invention provides a more favorable means for diagnosis and treatment analysis of the abdominal aortic aneurysm, which is of great significance for research and treatment of the abdominal aortic aneurysm. Meanwhile, an experimental foundation is laid for developing high-efficiency related medicines for treating abdominal aortic aneurysm, and a new visual field is provided, so that the method has a good practical application value.

The invention belongs to the technical field of biological medicines, and relates to application of a CXCL14 inhibitor in preparation of a medicine for preventing or treating abdominal aortic aneurysm of a patient. The inhibitor effectively eliminates the sex difference of the abdominal aortic aneurysm by specifically blocking the combination of CXCL14 and a receptor CXCR4 thereof, significantly reduces aortic macrophage infiltration and PDGFRA + macrophage accumulation in the progress process of the abdominal aortic aneurysm, and reduces the collagen degradation and elastic fiber destruction degrees, thereby inhibiting the pathological progress of the abdominal aortic aneurysm. The invention provides a new target spot and a medicine composition for precise treatment of male abdominal aortic aneurysm, and has a definite clinical application value.

This invention relates to the field of spinning technology and discloses a method for preparing a three-component parallel composite spinneret assembly. Spinnerets A, B, and C, located on the radius line of the spinneret, form a first unit. Each unit has spinnerets A, B, and C respectively opened at the bottom of each of the spinnerets A, B, and C. The spinnerets A and C of each unit converge towards spinneret B to form a spinneret unit. By designing a unique spinneret and cooperating with a distribution plate, the three-component melt is spun into parallel composite filaments, resulting in a wider variety of polyester elastic fibers with broader functional properties, better elasticity, better resilience, a smooth hand feel, and good drape. These fibers possess advantages such as acid and alkali resistance, chemical resistance, good elasticity recovery, resistance to aging, simple processing, good dyeability, and moderate elasticity, and can be used in many fields such as chemical fiber woven fabrics, knitwear, denim, and wool textiles.

The invention relates to a mattress for sofa bed mechanisms, suitable for use in sofa bed structures with limited space. The mattress comprises: a first textile layer made of 100% polyester with a fibre of between 120 and 600 g; a second polyurethane or viscoelastic foam layer with a density of at least 20 kg / m3 and a height of between 1 and 18 cm; a third layer of polyester-based, thermoplastic elastomer elastic fibres structured as a three-dimensional network with a density of between 30 and 150 kg / m3 and a height of between 2 and 11 cm; a fourth polyurethane foam layer with a density of between 20 and 40 kg / m3 and a height of between 2 and 18 cm; and a fifth three-dimensional textile layer of breathable polyester of between 100 and 200 g, wherein the mattress has a height of at least 16 cm.

The invention discloses an antibacterial and warm-keeping sock and a using method, and belongs to the technical field of cotton socks, the antibacterial and warm-keeping sock comprises a sock surface, a sock bottom, a sock leg and a sock toe, the sock toe is formed by weaving a bamboo charcoal fiber fabric layer and an outer silver ion fiber fabric layer in a staggered mode, and elastic fibers are woven in the silver ion fiber fabric layer in a mixed mode. The limitation that traditional socks are fixed in shape and are adaptive to a single scene is broken through, a flexible switching system between a daily loose mode and a professional exercise mode is constructed by means of a collaborative linkage structure of the retracting and releasing mechanism, the traction rope and the lifting rope, and the design avoids the economic burden that a user independently purchases socks for the exercise scene and improves the user experience. The professional requirements of reducing friction between toes and accelerating heat dissipation of the feet during sports can be met in a targeted manner, and the use convenience and scene adaptation efficiency are remarkably improved.

The composition comprises a plant extract of the Engelhardtia genus, preferably the species is Engelhardtia chrysolepsis Hance. The treatment according to the invention is a repairing treatment to improve the number of elastic fibres and the quality of its network. Skin elasticity is improved and this helps decrease jowls and eyelids drooping, and the corresponding skin folds. The treatment is particularly adapted to a pre-menopausal or menopausal woman skin.

The present invention relates to the technical field of elastic fiber preparation, and provides a method for preparing elastic nylon 6, a method for manufacturing a parallel composite elastic fiber, and an apparatus, comprising the following steps: based on the mass of the solvent, adding polyethylene-octene copolymer POE, maleic anhydride MAH, and an initiator to obtain a grafted POE; adding hexamethylenediamine, the grafted POE and hexamethylenediamine undergo an amidation reaction to obtain an amino-modified POE; caprolactam undergoes a ring-opening reaction to generate aminocaproic acid; aminocaproic acid undergoes a polymerization reaction to generate nylon 6; adding amino-modified POE and nylon 6 to undergo an amidation reaction to obtain elastic nylon 6. By this, the present invention introduces POE into the nylon 6 molecular chain through grafting reaction and amidation reaction, improves elasticity, and forms an elastic nylon 6 containing a flexible segment, and its heat shrinkage performance is significantly different from that of nylon 6. Elastic nylon 6 is obtained using low-cost nylon 6, which significantly reduces the cost of elastic components.

The invention relates to the technical field of fibers, and discloses a degradable elastic fiber and a preparation method of a knitted textile thereof, nylon resin and modified silk fibroin are mixed, spinning is performed through a melt spinning machine, stretching and heat setting are performed through a drawing machine, and the degradable elastic fiber is obtained. A large number of amido bonds are introduced into the silk fibroin, the compatibility between the silk fibroin and polyamide nylon 66 becomes good, the silk fibroin is evenly dispersed in a nylon fiber matrix, and the fiber has very high elongation at break and breaking strength and has good elastic toughness and strength. The modified silk fibroin contains a large number of hydrophilic amido bonds, quaternary ammonium salt groups and hydroxyl groups, so that the nylon fiber has higher hydrophilicity, the moisture regain is obviously increased, and the silk fibroin has excellent biodegradability and can endow the fiber with certain biodegradability.

The utility model relates to the technical field of child trampoline, and discloses an outdoor child trampoline with an anti-rollover stable structural design, which comprises an elastic trampoline surface, a safety protection net component and an anti-rollover support frame component, the elastic rope assemblies are evenly distributed between the elastic trampoline surface and the trampoline outer frame, elastic cloth is further arranged between the elastic trampoline surface and the trampoline outer frame, and the elastic cloth cover and the elastic trampoline surface form a certain inclination angle. The elastic cloth is made of high-elasticity fiber materials. Through the design of the safety protection net component and the anti-rollover supporting frame assembly, the overall stability of the trampoline is remarkably improved, rollover accidents are effectively prevented, and the safety of children is ensured; meanwhile, through optimal configuration of the elastic cloth and the elastic rope assembly, the elasticity and durability of the trampoline are enhanced, the service life of the trampoline is prolonged, and the user experience is improved.

A vascular treatment device for use in a vessel includes a catheter and a microvalve occluder. The occluder includes braided elastic strands, each with a proximal portion, a central portion, and a distal portion, that are fixed to the outer surface of the catheter. The elastic strands. In an embodiment, the distal portions are attached circumferentially about an outer surface of the catheter at a location toward the distal end of the catheter, the central portions extend proximal and radially outward from the distal end, and the proximal portions of the strands are inverted back radially within the central portions are and coupled circumferentially about the outer surface of the catheter at a location proximally displaced from the distal portions. The proximal portion of the microvalve is coated in a fluid-impermeable membrane, and the distal portions of the strands are substantially uncoated.