43 results about "Fibre coating" patented technology

The present invention relates to a glass fiber (1) comprising at least one fiber core (10), at least one fiber cladding (11) which at least substantially encloses the fiber core (10) in the circumferential direction (U) and along the longitudinal axis (X), and at least one fiber coating (12) which substantially encloses the fiber cladding (11) in the circumferential direction (U) and along the longitudinal axis (X), wherein the glass fiber (1) has at least one first exposed portion (13a) where the fiber cladding (11) is exposed by the fiber coating (12), for removing light (B) at least from the fiber cladding (11), wherein at least the fiber cladding (11) has a plurality of recesses (14) at least substantially in the radial direction (R), which recesses are designed to at least partially discharge the light (B) at least from the fiber cladding (11). The glass fiber (1) is characterized in that the recesses (14), as longitudinal recesses (14), are each formed at least in portions precisely along the longitudinal axis (X).

Composite material protection from UV degradation is disclosed by providing a co-cured composite material substrate co-cured with a UV / visible light-resistant fiberglass layer to form co-cured composite materials for exclusively imparting UV / visible light-resistant properties to co-cured composite material substrates for use in UV / visible light-resistant vehicle fuel tank assemblies.

Co-curable and co-cured UV / visible light-resistant fiberglass-coated UV / visible light composite structural material substrates, and aircraft fuselages comprising co-cured UV / visible light-resistant fiberglass-coated composite material substrates and methods of their manufacture are disclosed.

The utility model discloses a high-temperature-resistant stretch-resistant insulating tape which comprises a tape body, and the tape body comprises a base material layer, an acrylic acid adhesive layer, a ceramic fiber coating, a silicone rubber layer, a polyamide coating and a silicone oil release film layer. The acrylic acid adhesive layer is arranged on the bottom surface of the ceramic fiber coating and is used for providing an adhesive property; a corrugated structure is arranged on the acrylic acid adhesive layer; the silicone rubber layer is arranged on the top surface of the base material layer, and the silicone rubber layer is of a latticed structure. The ceramic fiber coating has a higher melting point and a lower thermal expansion coefficient, so that the adhesive tape body has better high-temperature resistance and can be suitable for various high-temperature application scenes; the silicone rubber layer has good elasticity and flexibility, so that the silicone rubber layer can be deformed to a certain degree and cannot be broken when being stretched; meanwhile, the silicon rubber layer is of a latticed structure, and the latticed structure can enable the insulating rubber tape to uniformly distribute stress when the insulating rubber tape is pulled, so that the tensile property is enhanced.

This invention relates to a method, apparatus, and packaging structure for in-situ packaging of fruits and vegetables using blown fiber spinning, addressing the current issues of efficiency and effectiveness in the use of nanofibers in fruit and vegetable packaging. This method selects carboxymethyl chitosan (CMCH) and polycaprolactone (PCL) as base materials, and uses SBS technology to directly deposit CMCH / PCL nanofibers layer by layer onto the surface of fruits and vegetables, forming a tightly adhered and stable fiber coating. The apparatus in this invention uses spiral-patterned conveyor rollers to simultaneously transport fruits and vegetables while performing blown spinning, achieving rapid and continuous in-situ packaging of fruits and vegetables. The in-situ packaging of this invention can be easily peeled off by hand, and it also serves as an excellent carrier for active substances, effectively inhibiting gray mold in fruits and vegetables. The in-situ packaging film forms a barrier on the surface of fruits and vegetables, reducing weight and hardness loss and delaying the ripening period after harvest.

The invention relates to the technical field of glass fiber coated cloth processing, and particularly discloses a spraying device for glass fiber coated cloth processing, which comprises a conveying platform, an operation table, a cloth mounting mechanism, a lifting positioning roller, an unwinding device, a spraying mechanical arm, a supply device and a winding device, the two cloth mounting mechanisms are respectively arranged on the outer side of the conveying platform; the two lifting positioning rollers are respectively arranged at the left and right ends of the inner side of the conveying platform; the unwinding equipment is mounted on the right side of the conveying platform; the spraying mechanical arm is arranged on the rear side of the conveying platform; the supply equipment is arranged on the rear side of the conveying platform and located on the right side of the spraying mechanical arm. And the winding equipment is arranged on the left side of the conveying platform. Automatic installation equipment is adopted, the installation precision and speed are improved, human errors are reduced, the installation standard is guaranteed, the installation quality is ensured, cloth traction under obstacles such as a limiting roller can be achieved, the labor intensity is relieved, and the installation efficiency is improved.

The utility model relates to the technical field of part spraying, and discloses a glass fiber coating felt which comprises a felt body, a rolling assembly used for conveniently rolling the felt body is arranged in the felt body, an inner layer is arranged in the felt body, the top end and the bottom end of the inner layer are both fixedly connected with adhesive layers, and the adhesive layers are arranged on the felt body. The outer sides of the two bonding layers are fixedly connected with glass fiber layers, the interior of the inner layer is fixedly connected with a first reinforcing rib, the interior of the inner layer is fixedly connected with a second reinforcing rib, the rolling assembly comprises a rolling shaft and two protection pieces, the rolling shaft is arranged in the felt, and the two protection pieces are arranged on the rolling shaft. The close ends of the two protection pieces are fixedly connected to the front side and the rear side of the winding shaft correspondingly. According to the felt rolling device, the rolling shaft and the protection piece are matched with each other to roll the felt, and the protection piece can protect the edge part of the felt, so that the felt is more convenient to roll and place, and the placing convenience is improved.

The utility model relates to the technical field of tiling devices, and discloses a cloth tiling device for ironing glass fiber coated cloth, which comprises a fixing frame, and the top of the fixing frame is fixedly connected with a material shaft support frame. According to the cloth tiling device for ironing the glass fiber coated cloth, through the arrangement of the tensioning adjusting assembly and the fixing assembly, when the cloth tiling device is used, a person starts a servo motor A, a motor drives an adjusting roller to do lifting motion, and the adjusting roller and an adjusting rod are used in cooperation so that the person can conveniently adjust the tensioning degree of the cloth; according to the cloth spreading device, the phenomenon of excessive stretching or loosening during cloth spreading is avoided, the cloth spreading quality and consistency are guaranteed, dust, fibers and other tiny impurities on the surface of cloth can be conveniently cleaned through the bonding layer, the situation that the cloth is possibly rubbed or damaged like a mechanical cleaning mode is avoided, the appearance quality and cleanliness of the cloth are guaranteed, and the service life of the cloth is prolonged. And meanwhile, subsequent disassembly and replacement by personnel are facilitated through the threaded connection mode, and the working efficiency of the personnel is improved.

The invention discloses an anisotropic hydrogel fiber coating modified titanium material and a preparation method thereof, and belongs to the technical field of medical instrument surface coating preparation. The anisotropic hydrogel fiber coating modified titanium material comprises a titanium substrate, an adhesion layer and a hydrogel fiber coating, wherein the adhesion layer and the hydrogel fiber coating are compounded on the titanium substrate; the adhesion layer is compounded on the titanium substrate, and the adhesion layer is positioned between the titanium substrate and the hydrogel fiber coating; the hydrogel fiber coating is prepared from methacryloyl gelatin, silk fibroin and nano-hydroxyapatite through electrostatic spinning. The prepared modified titanium material can keep high water content, viscoelasticity and hydrophilicity, meanwhile, a stable micro-orientation structure and a hydrogel fiber structure with good cell compatibility are obtained, endogenous cells can be collected in situ, osteogenic differentiation of the cells is effectively promoted, and the osteogenic differentiation rate of the cells is increased. The method has a wide application prospect in preparation of bone graft materials and bone repair materials.

The invention belongs to the technical field of tension strength detection, and particularly discloses a glass fiber coated fabric tension strength detection system and method.The glass fiber coated fabric tension strength detection system comprises a mounting shell, a mounting cabin is formed in the mounting shell and used for providing a mounting space, and a power mechanism is arranged in the mounting cabin; the power mechanism is used for providing power for tension detection, a dust removal mechanism is arranged outside the mounting cabin, the dust removal mechanism is used for playing a protection role, the two sides of the top of the mounting cabin are rotationally connected with falling buffering mechanisms, and the falling buffering mechanisms are used for playing a buffering role. And an anti-blocking mechanism is arranged outside the dust removal mechanism. And protection and impurity collection are performed through the dust removal mechanism, so that injury to workers can be avoided, the workers do not need to wear safety protection tools while the body health of the workers is guaranteed, the detection time is saved, and the detection efficiency is improved.

The invention belongs to the technical field of batteries, and particularly discloses a diaphragm, a preparation method of the diaphragm, a battery and electric equipment. The fiber coating is arranged on the surface of at least one side of the base film and comprises a fiber material; the ceramic coating is arranged on the surface, far away from the base membrane, of the fiber coating. Meanwhile, due to the addition of the fiber coating, the liquid retention capability and the heat shrinkage resistance of the diaphragm are also improved, and the cycle performance and the safety performance of a battery cell are favorably improved.

The invention relates to the technical field of glass fiber coated cloth, and discloses an automatic spraying device for manufacturing glass fiber coated cloth, the automatic spraying device comprises a crawler machine, a protective shell is fixedly arranged at the top of the crawler machine, and a material conveying pipe is movably arranged in the protective shell; the ceramic heating pipe and the hot air pipe are arranged, high-temperature hot air is generated through the ceramic heating pipe, the hot air is blown out through a slit of the hot air pipe to form a hot air curtain, the hot air curtain makes contact with paint sprayed out of an air opening of the spraying pipe, and at the moment, the airflow barrier effect of the hot air curtain of the hot air pipe can counteract airflow impact generated when part of the paint is sprayed by the spraying pipe; meanwhile, the hot air pipe and the hot air curtain preheat the coating sprayed by the spraying pipe, so that surface pre-gel is formed when the coating is sprayed on the yarn, the influence of dynamic pressure on the yarn is further reduced, and the situation that part of the yarn laterally moves or gaps between the yarn are enlarged, and consequently the thickness of the cloth cover of a finished product fluctuates is prevented.

The present invention relates to an optical fiber (1) with at least one fiber core (10), with at least one fiber sheath (11) which at least substantially encloses the fiber core (10) in the circumferential direction (U) and along the longitudinal axis (X), and with at least one fiber coating (12) which substantially encloses the fiber sheath (11) in the circumferential direction (U) and along the longitudinal axis (X), wherein the optical fiber (1) has at least one first exposed section (13a) where the fiber sheath (11) is exposed from the fiber coating (12) for removing light (B) at least from the fiber sheath (11), wherein at least the fiber sheath (11) has a plurality of depressions (14) at least substantially in the radial direction (R) which are configured to at least partially remove the light (B) from the fiber sheath (11).wherein the depressions (14) are formed as longitudinal depressions (14) each at least section by exactly along the longitudinal axis (X). The glass fiber (1) is characterized in that at least some of the longitudinal depressions (14) have at least section by a plurality of elevations (15) at least on their bottom (14d).

This invention discloses a food-grade antibacterial packaging paper based on biomass conversion and its preparation method, relating to the field of papermaking technology. The packaging paper uses areca leaf mechanical pulp rich in lignin and natural phenols as a substrate. After alkali treatment and oxidase activation of the phenolic hydroxyl groups on the fiber surface, a chitosan-tea polyphenol layer is coated onto its surface, followed by ionic crosslinking and interfacial co-crosslinking with phytic acid to construct a dense fiber-coating network structure. This improves the paper's mechanical strength, water and oil resistance, and inhibition of common pathogenic bacteria while maintaining its renewability, biodegradability, and food contact safety.

The application provides a waterproof and ultraviolet resistant woven fiber coating and a preparation method thereof, and belongs to the technical field of fabrics. Components of the application include water-based polyurethane, 3-glycidoxypropyltrimethoxysilane, nano titanium dioxide, diatomite, fumed silica and sponge bone needle. The preparation method includes the steps of inorganic material modification and polyurethane coating mixing. The application realizes excellent waterproof and ultraviolet resistant performances through the triple mechanism of water-based polyurethane base material hydrophobicity, inorganic filler modification and nano titanium dioxide light protection. The application has high hydrostatic pressure resistance, strong interface bonding and good durability; in terms of ultraviolet resistance, the application has broad spectrum shielding, strong weather resistance and high fiber adhesion.

The present invention relates to a cutting device, in particular to a cutting device for a fiberglass coated heat insulation film. It is necessary to design a cutting device for a fiberglass coated heat insulation film that can automatically press and fix the fiberglass coated heat insulation film before cutting, and then perform cutting to improve work efficiency. A cutting device for a fiberglass coated heat insulation film includes a support frame, a placement table, a fixing frame, etc. A fixing frame is fixedly connected to the top of the support frame, and placement tables for placing the fiberglass coated heat insulation film are fixedly connected symmetrically on the left and right inside the fixing frame. In the present invention, the fiberglass coated heat insulation film is moved between the placement tables on the left and right sides, and then the sliding mechanism is started to drive the cutting assembly to move forward. When the cutting assembly moves forward, it first drives the pressing mechanism to press and fix the fiberglass coated heat insulation film, and then the cutting assembly cuts the fiberglass coated heat insulation film. In this way, there is no need to spend time fixing the fiberglass coated heat insulation film, improving work efficiency.

The invention belongs to the technical field of waste cloth recovering and reusing, and particularly relates to waste-cloth-containing recovered fiber coating slurry and coating, and a preparation method thereof. 0.5-8 parts by weight of recovered fiber of waste cloth, 95-110 parts by weight of waterborne polyurethane, and 4-6 parts by weight of curing agent are prepared into recovered fiber coating slurry. The recovered fiber coating slurry is printed on a base cloth or a base plate, and dried to obtain a recovered fiber coating having a thickness of 0.1-1.0 mm. According to the technical solution provided by the invention, the field of physical method recycling of waste cloth is expanded to coating. Because the particle size of recovered fiber of the waste cloth is fine, the recovered fiber coating obtained by mixing waterborne polyurethane with a curing agent in a proper proportion has excellent abrasion resistance and mechanical properties.

The application discloses a heat-resistant polytetrafluoroethylene sewing thread and a preparation method thereof. The heat-resistant polytetrafluoroethylene sewing thread comprises a wear-resistant layer, a tensile layer and a thread core. The thread core is composed of first polytetrafluoroethylene fibers, second polytetrafluoroethylene fibers and shaped fibers. The thread core is provided with the shaped fibers, and the outer surface layer of the shaped fibers is interwoven with the first polytetrafluoroethylene fibers and the second polytetrafluoroethylene fibers. The outer surface layer of the thread core is provided with the wear-resistant layer, and the wear-resistant layer is provided between the tensile layer and the thread core. The outer surface layer of the first polytetrafluoroethylene fibers and the second polytetrafluoroethylene fibers is resistant to high temperature and has good heat insulation effect by using a ceramic fiber coating as a heat insulation coating. The prepared thread core has a flame-retardant effect. The wear-resistant layer is a polyurethane fiber material layer, which is resistant to wear and tear and is not easy to break. The surface of the thread body is easy to clean. The polytetrafluoroethylene sewing thread prepared by the heat-resistant polytetrafluoroethylene sewing thread and the preparation method thereof is non-toxic, harmless, environmentally friendly, not easy to corrode and durable.

A fibre comprising a core made of a fiberisable material and having an outer surface is described. the fibre further includes an external coating including a mixture of hexagonal boron nitride and bentonite, in a proportion of at least 10% by weight of bentonite relative to the total weight of the external coating. An optical component comprising one or more of the optical fibre is also described, along with a method for manufacturing a pasty composition for a fibre coating.

The invention discloses a perovskite hybrid fiber, a perovskite hybrid fiber coating and a preparation method and application thereof. The preparation method of the perovskite hybrid fiber comprises the following steps: S1, mixing a perovskite precursor and a perovskite precursor good solvent, and carrying out ultrasonic treatment to obtain a mixed solution I; mixing a carbon nanotube and a solvent, and carrying out ultrasonic treatment to obtain a mixed solution II; s2, adding the mixed solution I into the mixed solution II, mixing and reacting; performing solid-liquid separation to obtain a solid; and annealing the solid to obtain the product. The good solvent and the solvent are mutually insoluble. According to the method, the perovskite hybrid fiber is prepared in a confinement mode through the double-solvent liquid phase method, the perovskite precursor is subjected to mass transfer and diffusion by the good solvent to enter the inner cavity of the carbon nano tube, the method is high in filling efficiency and high in universality, and the prepared perovskite hybrid fiber is high in stability in a high-humidity or high-temperature environment.

A resin composition for optical fiber coating contains a photopolymerizable compound, a photopolymerization initiator, and surface-treated copper phthalocyanine particles, in which a content of the surface-treated copper phthalocyanine particles is 0.1% by mass or more and 10% by mass or less based on the total amount of the resin composition.

A method of manufacturing an optical fiber includes drawing a glass fiber from a glass preform that is arranged in a glass furnace; and while drawing the glass fiber out of the glass furnace: applying a fiber coating to the glass fiber; and applying one or more dopants to a base material of the fiber coating to modify a refractive index of the fiber coating.

The invention provides a waterproof and uvioresistant woven fiber coating and a preparation method thereof, and belongs to the technical field of fabrics. The invention relates to a sponge bone needle coating which is prepared from the following components: waterborne polyurethane, 3-glycidoxypropyltrimethoxysilane, nano titanium dioxide, diatomite, fumed silica and a sponge bone needle. The preparation method comprises the steps of inorganic material modification and polyurethane coating mixing. Through triple mechanisms of hydrophobicity of the waterborne polyurethane base material, modification of the inorganic filler and photoprotection of the nano titanium dioxide, excellent waterproof and anti-ultraviolet properties are realized. The hydrostatic pressure resistance is high, the interface bonding is strong, and the durability is good; broad-spectrum shielding is achieved in the aspect of ultraviolet resistance, the weather resistance is high, and the fitting degree with fibers is high.

The invention discloses a hard carbon fiber coating resistant to high-temperature oxidation and a preparation method thereof.The preparation method comprises the steps that a step-by-step technology of low-temperature vapor deposition of an inner layer and high-energy sputtering of an outer layer is adopted, and a heterogeneous composite structure of a silicon nitride compact layer and a tantalum silicide self-repairing layer is constructed on the surface of carbon fiber; the inner layer blocks oxygen permeation by using low oxygen diffusion coefficient and high-temperature stability of Si3N4, the outer layer realizes dynamic protection through a composite oxide film formed by high-temperature oxidation of TaSi2, and the inner layer and the outer layer form gradient transition through mutual diffusion of interface elements, so that oxidation-protection-self-repairing closed loop is realized, and wide-temperature-range protection is realized; the blank that the protection performance of the existing coating is suddenly reduced at the temperature of over 1600 DEG C is filled According to the method, the Si3N4 inner layer is firstly deposited, and the TaSi2 outer layer is subjected to high-energy sputtering according to the progressive design of substrate protection, strengthened combination, gradient transition and functional closed loop in sequence, so that the carbon fiber coating with the advantages of reserved fiber strength, stable interface, high-temperature oxidation resistance, hardness, wear resistance and collaborative optimization of various properties is obtained.

The invention relates to a method for manufacturing a guide element (GEL) for a fishing rod line, which element includes a ring (CRG) integral with a guide body (GDY) intended to be fixed to said rod. The method according to the invention is characterized in that it includes: - a step of coating said ring (CRG) with a set of reinforcing fibers; - a step of shaping said set of reinforcing fibers; - a step of coating said ring (CRG) thus coated with a resin; and - a step of hardening the guide element thus formed. The method according to the invention does not require machining of material containing carbon fibers, nor mechanical insertion or gluing of the ring into a hole previously made in the guide body. Reference: Figure 1

The invention relates to the technical field of paper-based functional materials, in particular to flame-retardant air filter paper containing an aramid nanofiber coating and a preparation method of the flame-retardant air filter paper. The flame-retardant air filter paper is prepared from 25-50 parts of softwood pulp, 22-40 parts of mercerized pulp, 14-24 parts of aramid chopped fibers, 5-10 parts of polyester fibers, 1-3 parts of a wet strength agent, 8-16 parts of aramid nanofibers, 1-2 parts of a dispersing agent, 4-7 parts of melamino-formaldehyde resin and 3-5 parts of acrylic emulsion. The flame-retardant air filter paper prepared by the invention does not need to be added with a flame retardant, overcomes the defects that the traditional air filter paper is large in flame retardant addition amount and flame-retardant components are easy to lose, has relatively high mechanical strength and filtering precision, can keep a stable and lasting flame-retardant effect and relatively good flexibility, and can be used for preparing the flame-retardant air filter paper. The method is suitable for the fields of high-end flame-retardant automobile air filter paper and the like.

The invention belongs to the technical field of batteries, and provides a composite diaphragm and a manufacturing method and application thereof, the composite diaphragm comprises a hydrophilic modified diaphragm matrix and a hydrophilic coating arranged on the surface of the hydrophilic modified diaphragm matrix; the component of the hydrophilic modified diaphragm matrix comprises hydrophilic modified polyolefin; the components of the hydrophilic coating comprise specific modified composite fibers and aramid nano-particles; the modified composite fibers comprise nanofibers wrapped by apatite nanowires, and the apatite nanowires are self-assembled, crosslinked and hybridized on the nanofibers to form a network with pores. The hydrophilic modified diaphragm matrix with high wettability is selected and matched with the self-assembled hybrid cross-linked composite fiber coating on the surface, so that the composite diaphragm obtains excellent ion conductivity and electrolyte wettability; and meanwhile, the composite diaphragm has good heat resistance and flame retardance due to the hydrophilic coating containing the nano-fibers wrapped by the apatite nano-wires.

The present invention relates to the technical field of glass fiber coated cloth processing, and specifically discloses a spraying device for glass fiber coated cloth processing, including: a conveying platform, an operating table, a cloth installation mechanism, a lifting and positioning roller, an unwinding device, a spraying mechanical arm, a supply device and a winding device; two cloth installation mechanisms are respectively arranged on the outside of the conveying platform; two lifting and positioning rollers are respectively arranged on the left and right ends of the inner side of the conveying platform; the unwinding device is installed on the right side of the conveying platform; the spraying mechanical arm is arranged on the rear side of the conveying platform; the supply device is arranged on the rear side of the conveying platform and on the right side of the spraying mechanical arm; the winding device is arranged on the left side of the conveying platform. The present invention adopts automated installation equipment to improve the accuracy and speed of installation, reduce human errors, ensure installation standards, ensure installation quality, and can realize cloth traction under obstacles such as limit rollers, reduce labor intensity, and improve installation efficiency.

The present invention relates to the technical field of paper-based functional materials, and in particular to a flame-retardant air filter paper containing aramid nanofiber coating and a preparation method thereof. The flame-retardant air filter paper comprises, by weight, 25 to 50 parts of softwood pulp, 22 to 40 parts of mercerized pulp, 14 to 24 parts of aramid short-cut fibers, 5 to 10 parts of polyester fibers, 1 to 3 parts of wet strength agent, 8 to 16 parts of aramid nanofibers, 1 to 2 parts of dispersant, 4 to 7 parts of melamine formaldehyde resin, and 3 to 5 parts of acrylic emulsion. The flame-retardant air filter paper prepared by the present invention does not require the addition of flame retardants, and overcomes the defects of traditional air filter paper that the amount of flame retardant added is large and the flame retardant components are easy to lose. The flame-retardant air filter paper of the present invention has high mechanical strength and filtering accuracy, and can also maintain a stable and lasting flame retardant effect and good flexibility, and can be applied to the fields of high-end flame-retardant automobile air filter paper.

To provide a coated fiber cloth which is a functional fabric having the properties of base fiber combined with the properties of nanocellulose through coating the fiber with nanocellulose.SOLUTION: A coated fiber comprises nanocellulose and a fiber, characterized by the surface of the coated fiber being coated with nanocellulose. The nanocellulose is derived from a sea squirt shell or green algae. The tensile strength is improved by 20% or more compared to the tensile strength of the fiber.SELECTED DRAWING: Figure 4