194 results about "Uv protection" patented technology

The invention relates to the technical field of pigment color paste, and discloses pigment color paste special for automobile highlight black and a preparation method of the pigment color paste, and the pigment color paste is prepared by taking environment-friendly polyurethane resin, melanin pigment, a nano silicon dioxide filler, a flatting agent, a defoaming agent, zirconium oxide nanoparticles and anti-ultraviolet microcapsules as raw materials. On one hand, the construction performance of the pigment color paste is improved through regulation and control of a formula, on the other hand, the content of volatile organic compounds is reduced through selection of environment-friendly polyurethane resin, and on the third hand, by preparation of the anti-ultraviolet microcapsules and utilization of hindered amine functional groups and nano titanium dioxide in the anti-ultraviolet microcapsules, the anti-ultraviolet performance of the pigment color paste is improved. According to the present invention, the pigment color paste is endowed with the excellent UV protection function, the aging resistance of the pigment color paste is improved, the pigment color paste can maintain the good and stable performance under the long-term outdoor condition, and the application range of the pigment color paste in the severe environment is broadened.

The invention belongs to the field of preparation of daily necessities, and particularly relates to radiation refrigeration sunscreen cream with a broad-spectrum sunscreen function as well as a preparation method and application of the radiation refrigeration sunscreen cream. The ZnO-coated ZIF-8 composite material is prepared by simply mixing raw materials in an organic solvent environment, and the sunscreen cream disclosed by the invention comprises the following components in percentage by weight: 10-15wt% of ZnO-coated ZIF-8 composite material, 10-15wt% of zinc oxide-coated ZIF-8 composite material, 10-15wt% of zinc oxide-coated ZIF-8 composite material and the balance of water. The ZnO (at) ZIF-8 composite material is obtained by reacting zinc oxide nanoparticles with 2-methylimidazole in an organic solvent. The sunscreen cream product has high sunlight reflectivity and high ultraviolet protection effect at the same time. The sunscreen cream can be applied under direct sunlight in an actual scene to realize an effective cooling effect, and has a high SPF value, broad-spectrum sunscreen capability covering UVA and UVB, and good waterproof performance.

The invention discloses a circular knitting machine knitted fabric with moisture-absorbing and quick-drying composite functions and a preparation method thereof, and is characterized in that the fabric takes three-component blended yarns prepared from wool fibers, modal fibers and modified polyester supercool (10-15%: 10-15%: 70-75%) through a siro compact spinning process as surface yarns, and modified polyester supercool multifilaments as ground yarns, a blank fabric is prepared from a warp and weft plain plaiting weave structure, and then the blank fabric is prepared into a smooth blank fabric through dyeing and finishing processes such as two-bath dyeing, overfeeding setting and decating. The fabric has multiple excellent functions of moisture absorption, quick drying, bacteria resistance and bacteriostasis and ultraviolet prevention, is light, thin and soft, has no scratchiness, has wool fiber texture and luxurious luster on the surface, is good in air permeability and is suitable for knitting T-shirts and POLO shirts in spring and summer.

To provide a polarizing film with an adhesive layer, which can solve a problem of decrease in a yield, can impart a sufficient function of blocking UV rays even when a polarizing film is thin, and can suppress curling, and to provide an image display device using the polarizing film with an adhesive layer.SOLUTION: A polarizing film 1 with an adhesive layer is to be used on a visible side of an image display part in an image display device; and the polarizing film 1 with an adhesive layer includes a polarizing film 5 and adhesive layers 2a, 2b on both surfaces of the polarizing film 5. The polarizing film 5 includes a polarizer 4 and transparent protective films 3a, 3b on both surfaces of the polarizer. The transparent protective film 3a on a visible side of the polarizer 4 has a transmittance of less than 6% at a wavelength of 380 nm; and the adhesive layer 2a on a visible side of the polarizing film 5 has an ultraviolet absorption function.SELECTED DRAWING: Figure 1

The invention discloses an ultraviolet-proof knitted fabric. The knitted fabric is formed by weaving two-sided tissues and has a surface A and a surface B, the height of the cross section is h, the depth of a concave part of the surface A on the cross section is h1, the depth of a concave part of the surface B on the cross section is h2, h, h1 and h2 meet the following formulas: (h1 + h2) / h is more than 0.40 and less than or equal to 1.50, h1 / h is more than 0.20 and less than or equal to 0.75, and the UPF value of the knitted fabric is more than 30. The knitted fabric is endowed with more excellent air permeability and ultraviolet resistance through reasonable weave structure design, when the ultraviolet resistance UPF value is 30 or above, the ventilation capacity exceeds 200 cm < 3 > / (cm < 2 >. S), and the knitted fabric is suitable for making sports and leisure clothes, POLO shirts, T-shirts and the like.

Titanium dioxide (Tio2) nanoparticle coated umbrella for UV protection

The present application relates to the technical field of aerospace cabin composite materials, and particularly relates to a self-repairing antibacterial aerospace cabin composite material and a preparation method thereof, the composite material comprises the following components by weight: 100 parts of an epoxy resin matrix, 0.5-5 parts of nano zinc oxide, 1-10 parts of a copper-based metal organic framework, 3-15 parts of sulfur-containing microcapsules, 30-40 parts of a curing agent, and 5-20 parts of a healing agent, firstly, the synergistic effect of nano ZnO and Cu-MOF not only provides sustained broad-spectrum antibacterial ability, but also unexpectedly enhances the ultraviolet protection performance of the material, which is particularly important in the space environment full of high-energy radiation. Secondly, the sulfur-containing compounds released during the self-repairing process not only repair the cracks, but also produce secondary coordination with Cu-MOF, forming a dynamic self-adaptive antibacterial network, further improving the long-term antibacterial performance of the material.

The present invention relates to an extract containing Myconoside, which is derived from an in vitro system of a plant of the family Gesneraceae, in particular from the genus Haberlea and Ramonda, including species Haberlea rhodopsis Friv., Ramonda helichii (Bois.C. B. Clarke, Ramonda myconi (L.) Rchb., Ramonda nathaliae Pancicamp, and a method for preparing the extract containing Myconoside. The extract containing Myconoside, which is derived from an in vitro system of a plant of the family Gesneraceae, in particular from the genus Haberlea and Ramonda, includes the species of Haberlea rhodopsis Friv. The invention relates to an extract, in particular to petrovic, Ramonda serbic Panic, Petrovic and Ramonda serbic Panic, as well as hybrids thereof, and a preparation method of the extract. Furthermore, the invention relates to the use of said extract as a chemical, radiation and UV protection agent in human and veterinary medicine, in nutritional supplements and in cosmetics. The plant in-vitro system extract is used independently or in a mixed mode, and comprises a polyphenol component extract 1 mainly containing flavone-C glycoside and phenethyl alcohol compounds (PHE) and a Mycoside component extract 2 mainly containing phenethyl alcohol compounds (particularly Mycoside and Paucifloside). The extract 1 contains 0.1-55.0 wt% of PHE, free phenol, saccharides, organic acid, fatty acid, amino acid, sterol and the like, and the total amount is 100 wt%; the extract 2 contains 55.0 to 99.9 weight percent of PHE (particularly Myconoside and Paucifloside) and phenolic compounds, monosaccharides, disaccharides or residues thereof, and the total amount is 100 weight percent. These compounds, in particular Myconoside, have high biological activity, anti-oxidation, anti-mutation and anti-chromosome-disruption activity, and thus are suitable for use alone, also can be used in combination by metered mixing, or can be conditioned by dilution, for the preparation of natural chemical, radio and ultraviolet protective agents with a controllable degree of protection. The latter is used in humans and veterinary, nutritional supplements and cosmetics to prevent and treat harmful chemical, radiation and UV effects.

A roof laminate (10) includes a roof membrane (12, 100, 200, 300) and a protective sheet (14, 114, 214, 314) removably affixed thereto. The surface (20) of the roof membrane (12, 100, 200, 300) can be protected from dirt, scratches and scrapes by a protective sheet (14, 114, 214, 314) which also provides other beneficial attributes that aid an installer. The membrane (12, 100, 200) and the sheet (14, 114, 214) are heat laminated together in the absence of adhesive and tackifiers. Alternatively, the membrane (12, 300) and the sheet (14, 314) are surface treated and then brought into contact with one another in the absence of adhesive and tackifiers. The sheet (14, 114, 214, 314)) may be single layer or include at least a first layer (30) directly secured to a second layer (32). The first layer (30) provides at least one of UV protection, anti-slip, and anti-glare to the roof laminate (10) and so aids the installer in at least one of those respects. The second layer (32) is removably affixed to the roof membrane (12, 100, 200, 300).

The invention belongs to the field of teaching practical training equipment, and provides 3D printing teaching practical training equipment. Comprising a mounting mechanism, a bottom plate, a horizontal adjusting mechanism used for overall horizontal adjustment of the device, a protection mechanism used for high-temperature protection and ultraviolet protection, a vertical adjusting mechanism, a transverse adjusting mechanism, a longitudinal adjusting mechanism, a quick change mechanism used for quick change of a functional mechanism and the functional mechanism used for 3D printing. Multiple functions are integrated in one device, the teaching field space is remarkably saved, the core printing process is completely visualized, students can clearly observe the complete work process of 3D printing, the working principle of the 3D printing device can be visually understood, and the teaching efficiency is improved. The teaching pain point that the core process of traditional commercial closed or semi-closed equipment is invisible is solved, the problem that training of operational ability of students is insufficient in traditional teaching is solved, and the students are assisted to comprehensively master related skills of the 3D printing technology.

To provide an emulsified cosmetic which contains a composite powder of titanium oxide and an ultraviolet absorber, has an excellent ultraviolet shielding effect, and gives a good feeling of use.SOLUTION: An emulsified cosmetic comprising a composite powder A of titanium oxide and 4-tert-butyl-4 ' - methoxydibenzoylmethane in an amount of 21% by mass or less relative to the total mass of the emulsified cosmetic, zinc oxide B, an ultraviolet absorber C other than the composite powder A of titanium oxide and 4-tert-butyl-4 ' - methoxydibenzoylmethane, a silicone oil D in an amount of 20% by mass to 60% by mass relative to the total mass of the emulsified cosmetic, and an aqueous medium E.SELECTED DRAWING: None

This invention discloses an energy-saving and healthy glass, belonging to the field of glass product technology. The energy-saving and healthy glass comprises a functional layer formed by an inorganic functional oil-based coating and a glass substrate. The inorganic functional oil-based coating, by weight, comprises 8-30 parts modified SiO2, 2-10 parts LiNbO3, 2-8 parts Al2O3, 5-12 parts CaF2, 10-20 parts rare earth boride, 0.4-1 part dispersant, 0.2-0.5 parts defoamer, 0.2-1 part clarifying agent, 3-6 parts negative oxygen ion initiator, and 25-70 parts solvent. Simultaneously, this invention also provides a method for preparing the energy-saving and healthy glass, which is simple to operate and has low preparation cost. Without affecting the light transmittance of the glass, it ensures the energy-saving and healthy glass's effects of UV protection, infrared protection, antibacterial and bactericidal properties, and chemical corrosion resistance. The transmittance of ultraviolet and infrared rays is less than 5%, while the transmittance of visible light can reach over 70%.

A broken vehicle window cover device is provided. The device serves as a temporary replacement for a damaged or missing vehicle window while offering enhanced security, visibility, and weather resistance. The device comprises a sleeve that wraps around the window frame, ensuring a tight seal using an elastic lining, and may include a removable insert made of impact-resistant polycarbonate with optional tinting, UV protection, and airflow control features. A wireless communication module connects to a mobile application, integrating tamper detection sensors, a camera for live streaming, and a two-way speaker for remote communication and alarms.

The invention relates to the technical field of functional textile materials, and discloses a sunscreen fabric with a high ultraviolet protection effect and a preparation method thereof.The fabric is prepared from matrix fibers, polyvinyl alcohol, nano inorganic particles, a silane coupling agent and a cross-linking agent; the preparation method comprises the steps of silanization activation pretreatment of matrix fibers, electrostatic spinning coating of a polyvinyl alcohol and nanoparticle composite spinning solution, high-temperature thermal induction chemical anchoring crosslinking and weaving. According to the preparation method, a compact discontinuous nano shielding network is constructed on the surface of a single fiber by utilizing an electrostatic spinning technology, and stable covalent bond combination of a functional layer and a matrix fiber is realized through an epoxy group ring-opening reaction of a silane coupling agent. According to the fabric, efficient ultraviolet protection is achieved, meanwhile, breathable micropores of the fabric are completely reserved, the problems that a traditional coating sunscreen fabric is poor in breathability, stiff in hand feeling and low in washing fastness are effectively solved, and intelligent heat and humidity adjustment can be achieved by introducing temperature-sensitive polyurethane filaments.

This invention discloses a method for preparing a multifunctional graphite / iron powder / geotextile composite material, relating to multifunctional material technology. The preparation method includes the following steps: First, PU-2540 resin is stirred at 500 rpm for 10 minutes. Then, graphite, iron powder, and dispersant are added at 600 rpm over 4 hours. After the addition is complete, the stirring speed is increased to 800 rpm, and dispersion continues for 30 minutes. The prepared slurry is scraped onto geotextile, and then placed on a polytetrafluoroethylene film and allowed to stand at room temperature for 16 hours. After standing, the material is clamped on both sides into a stainless steel hot press mold and placed in the center of the lower platen of the hot press. The hot press is started, a certain pressure is applied and maintained constant, and then the upper and lower plates are heated simultaneously, and hot pressing is performed under this pressure and temperature. This invention achieves multifunctional integration of wave absorption, electrothermal properties, corrosion resistance, and UV protection, providing a lightweight and flexible integrated protective material solution for offshore wind turbine towers.

The invention discloses a processing method of high-solarization durable anti-ultraviolet functional knitted fabric, which comprises the following steps: preparing chinlon yarn with a core-sheath structure, a core layer of the chinlon yarn is full-dull chinlon in which nano titanium dioxide particles are uniformly dispersed, and a sheath layer comprises the following components in percentage by mass: 75-87% of chinlon fiber, 10-20% of rare earth oxide and 3-5% of coating agent, the mass ratio of the sheath layer in the chinlon yarn is 20-30%; performing ultrahigh stitch length weaving; and dyeing treatment. The knitted fabric woven by the method is compact in structure, good in uniformity and low in porosity, has excellent anti-ultraviolet performance, high light fastness and durability, can realize UPF100 < + >, high light fastness greater than or equal to 4-5 levels, T (UVA) AV < 4%, still keeps excellent anti-ultraviolet performance, color fastness and mechanical properties after long-term solarization and multiple washing, and has a wide application prospect. Unification of anti-ultraviolet functionality and durability is achieved, the service life of the fabric is long, and permanent and efficient sun protection can be provided for the human body.

The invention discloses a high-temperature-resistant electrostatic adsorption type automobile sunroof sunshade curtain and a preparation method thereof, and belongs to the technical field of automobile sunroof sunshade curtains. The sunshade curtain comprises a transparent PE electrostatic adsorption layer, a reflective thermal insulation layer, a shading bonding layer and an inner decoration layer which are sequentially compounded from top to bottom. The transparent PE electrostatic adsorption layer is made of a polyethylene film through electrostatic treatment and is used for being adsorbed on the surface of skylight glass; the reflective thermal insulation layer comprises a polyurethane adhesive layer, a reflective silver layer arranged on the adhesive layer and a carbon fiber reinforced grid embedded in the adhesive layer; the shading bonding layer is formed by a hot melt adhesive dispersed with black shading master batches; and the inner decorative layer is made of suede fabric and is compounded with the reflective thermal insulation layer through the shading bonding layer. Through the design of a multi-layer composite structure, excellent heat insulation performance is achieved, and meanwhile the high-temperature-resistant, high-peel-strength and ultraviolet-proof functions are achieved.

The utility model discloses ultraviolet-proof and infrared-proof heat-insulating laminated glass which comprises outer-layer glass and a mounting frame, a scratch-proof coating is arranged on the outer surface of the outer-layer glass, a first pvb constant-temperature ultraviolet-proof film is arranged at the inner end of the outer-layer glass, first laminated glass is arranged at the other end of the first pvb constant-temperature ultraviolet-proof film, and a second pvb constant-temperature ultraviolet-proof film is arranged at the other end of the first pvb constant-temperature ultraviolet-proof film. A heat insulation layer is arranged at the other end of the laminated glass I, and laminated glass II is arranged at the other end of the heat insulation layer. The ultraviolet-proof coating and the heat insulation layer are arranged in the interlayer of the glass, so that the ultraviolet rays can be isolated, the heat insulation performance of the glass can be improved, the use effect of the whole laminated glass is ensured, meanwhile, the pvb constant-temperature ultraviolet-proof film I reacts under the influence of the ultraviolet rays, the outer-layer glass becomes dark at the moment, and the service life of the glass is prolonged. At the moment, indoor ultraviolet rays are reduced, and the effect of multiple heat insulation is achieved.

The utility model belongs to the technical field of waterproof coiled materials, and particularly relates to a high-durability root-puncture-resistant PVC (polyvinyl chloride) waterproof coiled material which comprises a coiled material body, the coiled material body comprises a wear-resistant layer, a PVC base layer is arranged at the top of the wear-resistant layer, a root-puncture-resistant layer is arranged at the top of the PVC base layer, an ultraviolet protection layer is arranged at the top of the root-puncture-resistant layer, and a waterproof layer is arranged at the top of the ultraviolet protection layer. Through the arrangement of the inserting holes, the first protrusions, the inserting rods, the clamping strips and the clamping grooves, during laying, the inserting holes are arranged on the corresponding inserting rods in a sleeving mode, the clamping grooves are aligned with the clamping strips, then the first mounting plate is pressed downwards, the clamping strips are clamped into the clamping grooves, the second protrusions can slide to the positions above the first protrusions, and the second protrusions can slide to the positions above the first protrusions. And after installation is completed, the first installation plate and the second installation plate are attached to each other, the first installation plate and the second installation plate can be preliminarily positioned through cooperation of an insertion rod and an insertion hole, the functions of secondary positioning and sealing can be achieved through cooperation of a clamping groove and a clamping strip, and the phenomenon of water seepage at the splicing position of the adjacent coiled materials can be effectively prevented.

The utility model belongs to the technical field of car roof tents, and provides a hard-shell folding car roof tent which comprises a base, folding gable walls symmetrically arranged on the base, heat insulation plates symmetrically arranged on the base, rotating plates hinged to the two heat insulation plates, first hydraulic telescopic rods arranged on the base, and the ends of the first hydraulic telescopic rods arranged on heat insulation plate frames. Second hydraulic telescopic rods are symmetrically arranged on the side edges of the folding gable, and the ends of the second hydraulic telescopic rods are arranged on a rotating plate. The two second hydraulic telescopic rods are controlled by the hydraulic system to dynamically adjust the rotating plate, dynamic adjustment can be achieved according to environmental conditions such as wind power and rainfall, the tent is prevented from being damaged by strong wind impact, and the tent is suitable for outdoor environments in four seasons and can be unfolded when no wind exists, so that the use space is expanded, and the space utilization rate is increased. And the heat insulation cloth is combined with the heat insulation plate composite board, so that the rainproof performance, the ultraviolet-proof performance and the heat insulation performance are comprehensively improved.

A tree and shrub identification tag device is provided. The device is comprised of a tag designed for efficient and adaptable plant identification while promoting environmental sustainability. The device comprises eco-friendly materials, including biodegradable and recyclable plastics, to ensure durability and weather resistance through UV protection additives and waterproof coatings. The tag body is available in various sizes and features a rubberized texture for enhanced grip. A notched slot at one end allows for secure attachment and easy removal, while perforations facilitate damage-free detachment from around a plant. The device may also be comprised of a color-coding system for categorizing plant types and includes a customizable surface for detailed labeling. Additionally, the tag may incorporate QR codes for accessing digital resources such as care guides and supplier information, enhancing overall plant management and user experience.

A snowboard tracking helmet device is disclosed, which is a helmet for snowboarding or skiing that prevents head injuries, suffocation due to avalanches, and facilitates learning new techniques while riding, as described. The snowboard tracking helmet device comprises a helmet component that is configured in a rounded shape similar to a conventional snowboard helmet. The helmet component includes Bluetooth capabilities which allows users to link up to their smart devices and issue verbal commands to activate the features of the heads-up display. The helmet component comprises a variety of sensors including a vital sign monitor, oxygen sensor, sensors that receive verbal commands, GPS capabilities, and an impact sensor. An avalanche beacon face shield on the helmet component provides a heads-up display to demonstrate various snowboarding tricks in real time, provide a map of the location and provide UV protection.

The sweater comprises a sweater body and two sleeves, the two sleeves are located on the two sides of the sweater body respectively and connected with the sweater body, the weave structure of the sweater body is a four-pin weave, the surface layer of the sweater body is formed by weaving first yarn, the bottom layer of the sweater body is formed by weaving second yarn, the first yarn is wool yarn, and the second yarn is wool yarn. The second yarn includes opal fibers. The clothes suit comprises the sweater, and the sweater is good in warmth retention and breathability and has ultraviolet-resistant, antibacterial and mildew-proof functions.

A method for dyeing a fabric has the steps of adding a fabric to a jet dyeing machine containing water, adding a scouring agent to the jet dyeing machine, heating the water and cooling the water, removing the water from the jet dyeing machine and refilling with water, agitating the fabric in the jet dyeing machine, adding a dye, a leveling agent, and a dispersing agent to the jet dyeing machine, heating the refilled water and cooling the refilled water, removing the refilled water from the jet dyeing machine and refilling with water, heating the refilled water to a certain temperature, agitating the fabric in the jet dyeing machine, adding a surfactant to the jet dyeing machine, maintaining the refilled water at the certain temperature and cooling the refilled water, removing the refilled water from the jet dyeing machine and removing the fabric from the jet dyeing machine.

This invention discloses a high-stability, iridescent heat-insulating window film and its preparation method, relating to the field of composite window film technology. The preparation of the high-stability, iridescent heat-insulating window film includes the following steps: S1: After cleaning and drying the surface of the substrate layer, a nano-titanium dioxide dispersion is sprayed on, and then dried to form a UV-absorbing layer, resulting in heat-insulating window film A; S2: A polyurethane coating is coated on the UV-absorbing layer surface of heat-insulating window film A and cured to form a hardened protective layer, resulting in heat-insulating window film B; S3: Iridescent dyes are printed on the hardened protective layer surface of heat-insulating window film B to form a color pattern layer, resulting in the high-stability, iridescent heat-insulating window film. This high-stability, iridescent heat-insulating window film exhibits excellent wear resistance and hardness, while maintaining good impact resistance and UV protection.

The invention provides a wind power plant booster station building outer skin design method. The method comprises the steps of collecting environmental parameters and building a database, analyzing the sunshade requirement of each facade, generating an outer sunshade three-dimensional model, designing a weather-resistant skin system in combination with the model, and finally constructing and verifying a comprehensive performance model to achieve collaborative optimization of sunshade and weather resistance. According to the invention, collaborative optimization of external sunshade and weather-resistant skin of the building can be realized, the ultraviolet protection capability and durability of the building are improved, the thermal performance and structural stability of the building are optimized, the service life of a building skin system is prolonged, and an efficient and reliable solution is provided for a booster station building of a wind power plant in a high-altitude strong ultraviolet region.

The utility model relates to the technical field of capacitive touch screens, in particular to an ultraviolet-proof capacitive touch screen which comprises an LCD (liquid crystal display) module, sensor glass is arranged at the top of the LCD module, a conductive layer is arranged on the surface of the sensor glass, UV (ultraviolet) optical transparent adhesive is arranged at the top of the sensor glass, and the conductive layer is arranged on the surface of the sensor glass. The top of the UV optical transparent adhesive is provided with an ultraviolet-proof layer, the top of the ultraviolet-proof layer is provided with covering glass, the top of the covering glass is provided with a glass coating, the top of the glass coating is provided with a polarized light protection sheet, and the structure of the ultraviolet-proof layer, the polarized light protection sheet, the covering glass and the glass coating is utilized, so that the problem that in the prior art, the polarized light protection sheet is prone to deformation is solved. Most capacitive screens generally do not have the ultraviolet-proof function, liquid crystal panels are prone to being damaged when the capacitive screens are used outdoors, the service life is shortened, and practicability is low.

A method of producing a filament is disclosed. The method includes extruding a material for a filament core and a material for a filament sheath using an extruder, using a core portion and a sheath portion of a die in order to direct the material extruded from the extruder, and forming a filament by cooling during or after using the die. A method and apparatus for post-processing a 3D printed product using at least one of laser radiation or plasma processing is disclosed. In addition, a core / sheath structure composed of the forming material or a formed product produced from the forming material is disclosed. The core / sheath structure comprises a core and a sheath, the core and sheath comprising: one or both of fibers or particles; and at least one of: a soluble substance; an antimicrobial substance; an ultraviolet protection substance; an odor management substance; or a moisture management substance.

The present invention addresses the problem of: providing a textile having excellent contact cooling sensitivity, UV protection, water absorption / quick-drying properties, and heat protection; and providing a composite yarn for forming such a textile. In providing said textile and composite yarn, the present invention addresses the problem of: providing a textile that is not significantly different in appearance and texture from a 100% cotton textile, and that exhibits performance at least as good as that of a 100% cotton textile in terms of contact cooling sensitivity, UV protection, water absorption / quick-drying properties, and heat protection; and providing a textile having contact cooling sensitivity, UV protection, water absorption / quick-drying properties, and heat protection that exceed similar parameters of textiles comprising other chemical fibers. The aforesaid problem is solved by a composite yarn comprising a center yarn made of a modified-cross-section yarn and air-textured yarn (ATY yarn) wound around the center yarn, and a textile comprising said composite yarn.

The invention relates to an anti-ultraviolet, moisture-absorbing and quick-drying chemical fiber fabric and a preparation method thereof, and belongs to the technical field of textiles. According to the invention, polyethylene glycol is modified to prepare the modifier, and the modifier is used for modifying the polyester fiber; the modifier disclosed by the invention not only can exert the original effect of polyethylene glycol on improving the moisture regain of the polyester fiber, but also can endow the polyester fiber with flame retardant property, improve the color fastness and ultraviolet protection capability of the polyester fiber, and make up the influence of polyethylene glycol modification on the color fastness and ultraviolet protection capability of the polyester fiber; the prepared chemical and blended fabric has the advantages of moisture absorption, quick drying, ultraviolet protection, flame retardance, difficulty in fading and the like.