222results about How to "Good UV resistance" patented technology

The invention provides a technology for preparing bamboo fiber by 1, 4-butanediol in a solvent method, which comprises the steps of preparing bamboo into bamboo filaments; soaking the bamboo filaments in the solvent and heating to remove lignin, hemicellulose and other impurities on the surface of the cellulose; preparing into coarse bamboo fibre; beating the coarse bamboo fibre, washing with water simultaneously, and then spin-drying through a centrifuge; bleaching and cleaning; conducting mellowing to the bamboo fiber; soft-impressing the bamboo fiber; stowing fermentation and curing, and finally obtaining the bamboo fiber with spinnability after opening and carding. The solvent adopted by the invention has high boiling point and stable chemical property and can be recycled; the whole technological process does not generate black liquor and seriously pollute the environment, and belongs to clean techniques; the obtained natural bamboo fiber has the remarkable advantages of moisture absorption, quick dry, coolness, comfort, antibacterium, deodorization and the like; and the method has low cost and good economic benefit and environmental protection benefit.

The invention discloses a textile with the functions of ultraviolet resistance and moisture absorption and relative producing method. It is formed by the polyester fiber with cross-type section, while the polyester fiber comprises nanometer titanium oxide grains in the weight of 1.0-3.0%, the UPF valve >40, the core absorption height and the dry speed are vertical 80-100mm/min, and horizontal 85-110mm/10min, and the left water amount after 45 minutes is less than 10%. The invention has the advantages of ultraviolet resistance and moisture absorption.

The present invention is technological process for anticorrosive treatment of non-working surface in bearing through hot spraying metal and coating paint. The technological process includes the following steps: cleaning bearing surface, sand blasting, spraying metal layer with high speed oxygen-fuel gas gun or electric arc gun, eliminating surface attached particles with grinding wheel or abrasive cloth and blowing with compressed air to clean, and final closing the sprayed layer with organic paint. The present invention is used for treating bearing working in exposed circumstance to raise the service life greatly.

The invention relates to an ultraviolet-resistant three-proofing finishing agent and belongs to the technical field of textile auxiliaries. The ultraviolet-resistant three-proofing finishing agent comprises the following components in parts by weight: 12-16 parts of fluorocarbon emulsion, 8-12 parts of trifluoropropylmethylcyclotrisiloxane, 2-5 parts of a coupling agent, 1-3 parts of citric acid, 4-7 parts of 2-hydroxyl-4-methoxybenzophenone, 2-5 parts of bis-(2,2,6,6-tetramethyl-4-piperidyl)sebate, 3-5 parts of fat acid polyethenoxy ester and 120-150 parts of deionized water. The system of the ultraviolet-resistant three-proofing finishing agent provided by the invention is stable, and the ultraviolet-resistant three-proofing finishing agent not only has good water-proofing, oil-proofing and fouling-proofing functions, but also has a good ultraviolet-resisting function, and is easy to popularize and apply; a fabric finished by the ultraviolet-resistant three-proofing finishing agent touches better.

The invention discloses an ABS (acrylonitrile-butadiene-styrene) plastic for automobile inner ornaments and a preparation method thereof. The ABS plastic for automobile inner ornaments comprises the following components in parts by weight: 100 parts of ABS resin, 80-120 parts of PC (polycarbonate) resin, 5-15 parts of EPDM (ethylene-propylene-diene monomer) resin and 1-3 parts of anti-yellowing agent. The preparation method comprises the following steps: proportionally weighing the raw materials, uniformly mixing, melting and compounding, and extruding and granulating. The ABS plastic for automobile inner ornaments has the advantages of favorable formability, favorable mechanical properties, high impact strength, high temperature resistance, favorable ultraviolet resistance, favorable light aging resistance and the like, and can be used for preparing automobile inner ornaments by an injection molding technique.

The invention discloses a modified road tar under terrible climate, which is characterized by the following: doping SBR, butadiene and phenylethene into tar according to certain proportion; grinding SBR through cutting pump or colloid; blending with tar.

The invention discloses a wood plastic composite section bar and a production technology thereof. The wood plastic composite section bar comprises the following raw materials in parts by weight: 40-60 parts of PVC, 10-15 parts of wood powder, 20-30 parts of CACO3, 1-3 parts of a stabilizer, 1-2 parts of a foaming agent, 1-2 parts of a lubricating agent and 4-6 parts of processing additives. The wood plastic composite section bar is reasonable in formula design, has a coupling toughening function, is capable of promoting the mechanical properties of material, is beneficial to the promotion of rigidity and thermal deformation of products and is available for indoor and outdoor wood plastic products and products with higher requirement on thermal deformation; a toughening agent CPE is added, so that the toughness of the product is higher; the wood plastic composite section bar has high heat stability, weather fastness and anti-ultraviolet function; the section bar is high in compatibility with resin, high in dispersibility, and capable of increasing production rate and promoting the surface glossiness of products; the wood plastic composite section bar has anti-fogging and antistatic functions; the wood plastic composite section bar is suitable for production wood plastic skirting lines, door pocket lines, sill lines, ecological wood, hollow panels, floor boards, stair railings, ventilated windows, micro-foamed cabinet panels, wave panels, and other products.

The invention relates to coating for solar cell back plates. The coating comprises, by mass percentage, 9.2-14.4% of fluorocarbon resin, 3.6-9.2% of acrylic resin, 20.5-25.3% of pigment, 37.6-48.1% ofsolvent, 0.6-1% of auxiliaries and an isocyanate curing agent, wherein the mole ratio of hydroxyl in the fluorocarbon resin and the acrylic resin to the isocyanate in the curing agent is 0.8-1.6, andthe total mass percentage of the components is 100%. The coating has the advantages that the coating is good in interlayer performance, a coating layer after hydrothermal aging is good in bonding force with EVA, and the problem that fluorocoating cannot give consideration to both weather resistance and cohesiveness is solved.

The invention discloses a piece of bubble type flexible non-woven cloth and a manufacturing method of the bubble type flexible non-woven cloth. Raw materials, namely, polylactic acid high polymers, are solidified into the cloth through melt spinning net laying and twice hot rolling. Annular nips are formed through the first time of hot rolling, point nips are formed through the second time of hot rolling, and finally the bubble type non-woven cloth is formed. Due to the fact that the nip area is small and the three-dimensional structure is obvious, the non-woven cloth is excellent in flexibility, small in contact area when making contact with the skin, fresh and cool, can not be attached to the human body, enables a user to feel nice and cool, and can be widely applied to disposal medical treatment and public health products such as sanitary towels, paper diapers, adult incontinence trousers, surgical gowns and operation cushions through combination with the advantages of polylactic acid fibers. Meanwhile, the polylactic acid raw materials have the advantages that the polylactic acid raw materials can be completely and naturally circulated and can be decomposed in a biological mode, energy consumption is lowered, and the environment protection role is played.

The invention provides an environmental-protection hot melt adhesive for interior and exterior decoration of an automobile. The environmental-protection hot melt adhesive is characterized by comprising the following components, by weight: 10-60 parts of thermoplastic rubber, 10-50 parts of a tackifying resin, 0-20 parts of a powder filler, 0-20 parts of a diluent, 0-20 parts of a plasticizer, 0.01-3 parts of an anti-oxidant, and 0.01-3 parts of a UV absorbent. The hot melt adhesive is relatively high in adhesive strength and elongation at break. The hot melt adhesive is convenient to store, simply to apply, and good in aging resistance and UV resistance. The hot melt adhesive is healthy and of environmental protection, and is an adhesive with excellent overall performance for an automobile. The invention further provides a preparation method of the environmental-protection hot melt adhesive for interior and exterior decoration of an automobile.

The invention provides a skin care isolation cream containing minerals and plant extracts, including: minerals, plant source extracts, biological extracts and auxiliary agents, the minerals are titanium dioxide, kaolin, mica, magnesium sulfate, chloride Sodium and zinc oxide, the plant source extracts are Centella asiatica extract, Polygonum cuspidatum root extract, Scutellaria baicalensis root extract, tea leaf extract, Glycyrrhiza glabra root extract, Chamomile flower extract, Rosemary leaf extract , purslane extract and grape fruit extract, the biological extracts are β-glucan, bio-glucose-1, allantoin, Saccharomyces cerevisiae extract, palmitoyl tripeptide-1 and hyaluronic acid sodium. The active ingredient of the skin care isolation cream prepared by the invention has a small particle size, is skin-friendly and closely adhered, is easy to absorb, is green and environmentally friendly, has the advantages of beautifying skin, sun protection and skin care, and has no toxicity and no side effects on the skin.

The invention relates to yarn made by blending fiber having anions and a far-infrared function and hemp-cotton fiber. The yarn is prepared by blending the composite fiber having the anions and the far-infrared function and the hemp-cotton fiber. A preparation method of the composite fiber having the anions and the far-infrared function comprises the following steps: 1) preparing mixed fiber; 2) preparing anion and far-infrared functional nano slurry; 3) preparing anion and far-infrared functional composite fiber. The yarn provided by the invention is prepared by blending the fiber having the anions and the far-infrared function and the hemp-cotton fiber; because the yarn contains the hemp fiber, the anions and a far-infrared additive, the product has the characteristics of a good far-infrared effect, an anion health function, a good natural antibacterial property, a good uvioresistant function and the like; when people wear clothes made of the yarn, anions can be continuously excited to human bodies, then the human bodies can be always full of energy, and requirements of people on high-class textiles can be met.

The invention belongs to the technical field of chemical products of beauty and skincare cosmetics, and particularly relates to a preparation method for an organic-inorganic hybrid skin-friendly efficient sunscreen product. The method comprises the following steps of: performing macromolecular self-assembly on a synthesized amphiphilic triblock polymer PEO-b-PDMA-b-PS to obtain polymer nanoparticles with uniform particle size distribution; and performing in-situ reaction on a deposited titanium precursor on the nanoparticles, drying in-situ reaction products to obtain organic-inorganic hybridtitanium dioxide nanoparticles, and further calcining the organic-inorganic hybrid titanium dioxide nanoparticles to obtain titanium dioxide nanoparticles. The method is characterized in that the skin-friendly titanium dioxide nanoparticles with high sunscreen performance can be prepared, are harmless to skin, have good ultraviolet resistant effects, and have high dispersion performance in water;the particle sizes of the ultraviolet resistant nanoparticles can be randomly controlled; and the preparation method is simple and wider in application range.

The invention relates to a liquid crystal compound, a liquid crystal display element including the liquid crystal compound and a liquid crystal display and belongs to the field of liquid crystal display. The liquid crystal compound provided by the invention comprises one or more compound shown as formula I, one or more compound selected from a group composed of compounds shown as formula II A, formula II B, formula II C, formula II D and formula II E, and the compound shown as formula III. The liquid crystal compound is capable of improving incidental image defect, is characterized by excellent ultraviolet resistance and high temperature resistance, and has moderate or higher optical anisotropism delta n, lower viscosity, wider nematic phase temperature range and excellent low-temperaturesolubility.

The invention discloses a polyester/cotton knitted fabric short-flow dyeing and finishing process method including the following steps: (one), one-bath pretreatment: soaking a polyester/cotton fabricin a pretreatment finishing liquid, treating for 45 min at the temperature of 95-100 DEG C, then cooling, discharging a waste liquid, and washing with water; and (two), dyeing: making a dye for polyester component dyeing and an auxiliary agent into a solution with the pH value of 5 in a dyeing vat, immersing the polyester/cotton knitted fabric in the dyeing solution, carrying out heat preservationfor 40 min under the condition of the temperature of 130 DEG C, and completing dyeing of the polyester part in the fabric; adding the reactive dye and anhydrous sodium sulfate, carrying out heat preservation for 30 min at the temperature of 65 DEG C, then adding 20 g/L of sodium carbonate, carrying out heat preservation for 30 min, then adding 10 g/L of sodium carbonate, carrying out heat preservation for 30 min, soaping, and washing with water; and post-finishing, preparing a post-finishing liquid in a material tank of a setting machine, immersing the dyed polyester/cotton fabric in the post-finishing liquid, padding by a padder, and drying at the temperature of 175-185 DEG C.

A thermoplastic 105°C flame-retardant PVC anti-UV sheath material, prepared from the following raw materials in parts by weight: 45-57 parts of polyvinyl chloride, 2.5-3.5 parts of stabilizer, 22-28 parts of plasticizer, and 2 parts of filler -5 parts, 5-7 parts of flame retardant, 10-15 parts of modifier, 0.7-0.8 part of lubricant, 0.1-0.3 part of antioxidant, 0.4-0.8 part of processing aid, 0.1-0.2 part of anti-ultraviolet absorber parts, light stabilizer 0.1-0.2 parts. The present invention makes the polyvinyl chloride provided by the invention by adding stabilizers, plasticizers, fillers, lubricants, processing aids, flame retardants, antioxidants, anti-ultraviolet absorbers, and light stabilizers to polyvinyl chloride. Light specific gravity, good physical and mechanical properties, excellent UV resistance and mechanical balance; it can meet the working requirements of long-term exposure to ultraviolet rays, and realize environmental protection and flame retardancy; this product has more superior comprehensive properties.

The invention discloses a preparation method of shading screen cloth with antibacterial and antiageing performances. The prepared shading screen cloth is of a double-layered composite structure. The preparation method comprises the following steps: firstly, separately synthesizing outer screen cloth of an anti-ultraviolet layer and inner screen cloth of an antibacterial layer; then preheating and melting the two screen cloth through adjustment variation of the temperature of a heating roller, and assisted by an adhesive, pressing a rubber roller with an iron roller, and forming cooling forming to boating the shading screen cloth. The shading screen cloth of the double-layered composite structure is directly prepared from functional composite high molecular fibers separately without adding an anti-ultraviolet agent and an antibacterial agent. A finished product not only has an excellent anti-ultraviolet function, but also has a strong antibacterial and anti-mold property, is stable in chemical property, and also avoids use of external additives. Various stretch resisting, anti-ageing, corrosion-resisting, radiation-resisting and light characteristics of the screen cloth are guaranteed to the maximum.

The invention relates to an acrylic-acid paint, particularly a pure acrylic-acid elastic environment-friendly waterproof paint which is prepared by blending the following components in parts by weight: 85-108 parts of acrylic acid emulsion, 4.5-23 parts of thickening agent, 0.017-0.04 part of activating agent, 0.23-1.7 parts of coupling agent and 0.09-0.23 part of defoaming agent. The waterproof paint has the characteristics of high elasticity, high strength, high extensibility and the like in rubber, has excellent functions of weather resistance and ultraviolet resistance, has wide climate application range (-20+/-80 DEG C), and can be used for construction on a moist basal plane. Since the extensibility is up to higher than 380%, the waterproof paint does not deform or run when being used for sealing cracks of more than 10-30mm. The waterproof paint can be used for crack leakage maintenance of mosaic, ceramic tiles, glass curtain walls, external walls and concrete walls, and peripheral joint filling and integral painting of color steel tile roofing and door/window partitions.

The invention discloses production equipment and a production method of a hollow corrugated polycarbonate sunlight plate. The production equipment is composed of a main extruding machine for extruding polycarbonate, an assistant extruding machine for extruding uvioresistant polycarbonate, a distributor, a mold head, a forming table, a compression roller machine, a drying oven, a laminating machine, a cutting machine and transportation equipment, wherein the distributor, the mold head, the forming table, the compression roller machine, the drying oven, the laminating machine, the cutting machine and the transportation equipment are sequentially arranged from front and back; ultraviolet-absorbent-containing uvioresistant polycarbonate is composited at the upper side and the lower side of a polycarbonate material through co-extrusion, then the material is formed to be corrugated by the mold head, the forming table and the compression roller machine, and then the material is subjected to stress elimination by the drying oven, is laminated to form a protective film by the laminating machine, and then is cut into blocks by the cutting machine under the traction of the compression roller machine. According to the equipment and the production method of the hollow corrugated polycarbonate sunlight plate, the produced hollow corrugated polycarbonate sunlight plate has good ultraviolet resistant property, long service life and good loading resistance, and can be used for construction projects in a high-load area.

The invention provides novel anti-ultraviolet baby fabric applicable to ordinary days and a preparation method thereof. The preparation method comprises the following specific steps: 1, mincing and adding buckwheat, red dates and eggplants to a hydrochloric acid anhydrous ethanol solution, conducting ultrasonic treatment for 20-30 minutes at the power of 200 W, conducting reflux extraction for 50-60 minutes at the temperature of 60-70 DEG C, and obtaining rutin extract; 2, nanometer attapulgite and citric acid to the rutin extract, stirring the mixture uniformly, conducting filtration for removing impurities, then adding honey and deionized water, conducting homogeneous stirring and defoaming, and obtaining an anti-ultraviolet treatment agent; 3, adopting exterior and interior knotting double layer weave as a fabric weave structure, treating spandex elastic covering yarn fibers and superfine polyester fibers as exterior warp and exterior weft respectively, treating cotton fibers and silk fibers as interior warp and interior weft respectively, and forming double layer fabric through weaving; 4, conducting plasma treatment on the double layer fabric, spraying the anti-ultraviolet treatment agent, conducting drying, repeating spraying and drying, conducting washing and drying, and finally obtaining the anti-ultraviolet baby fabric applicable to ordinary days.

The invention discloses a coating material for surface modification of PBO (Poly-p-phenylene Benzobisoxazole) fibers. The coating material is prepared from an ultraviolet absorbent, heptadecafluorodecyl trimethoxysilane, cycloaliphatic epoxy resin, a curing agent and an organic solvent. The invention further provides a method for carrying out surface modification on the PBO fibers and surface modified PBO fibers prepared through the method. Furthermore, the invention further provides an extra-high voltage live working tool soft material which is prepared by braiding and twisting the surface modified PBO fibers. The treated PBO fibers overcome the disadvantage of no ageing resistance, have very good insulating performance and can be widely applied to insulating ropes for extra-high voltage live working.

The invention relates to a building material, and particularly relates to a basalt fiber-reinforced anti-cracking facing mortar. The basalt fiber-reinforced anti-cracking facing mortar comprises the following components in parts by weight: 19-24 parts of cement, 51-62 parts of silica sand, and 0.1-0.5 part of basalt chopped fiber, wherein the monofilament diameter of the basalt chopped fiber is 9-18mu m, and the chopping length of the basalt chopped fiber is 3-15mm. In the basalt fiber-reinforced anti-cracking facing mortar, the adopted basalt chopped fiber has good acid-base resisting performance, can be effectively mixed into Portland cement in the facing mortar; the reinforced facing mortar has the advantages of good crack resistance, good weather resistance, good ultraviolet ray resistance, uniform color and the like, is durable, can be well combined with various inorganic basement materials, is good in coating compactness, and can be applied to the building fields of interior and exterior wall decoration and the like.

The invention provides a graphene printing paste and a preparation method thereof. The graphene printing paste is prepared from the following components in percentage by mass: 0.5% to 12% of graphenemicrocapsule, 0.1% to 5% of sodium alginate, 1% to 5% of thickener, 0.1% to 5% of dye, 0.5% to 3% of calcium carbonate, 0.01 to 0.05% of sodium hydroxymethyl cellulose, 0.1 to 0.5% of urea, and the balance of water. The graphene printing paste has the advantages that by adding the graphene microcapsule into the printing paste, and optimally proportioning with other components, the printing fabricwith exquisite patterns can be produced by the traditional printing technology; the obtained printed fabric has good permeability and firm coloring property, and the water fastness can reach grade 4 or above; the antibacterial property, anti-ultrasonic property and the like are excellent, the number of bacteria on clothes is greatly reduced, the anti-ultraviolet property of the fabric is improved,and the health of a human body is protected.

The invention relates to a preparation method of uvioresistant aramid fiber. The method comprises the steps that in the para-aramid spinning production process, an appropriate amount of benzinidazole, an appropriate amount of substituted acrylonitrile, an appropriate amount of triazine and an appropriate amount of hindered amine uvioresistant absorbent are added into spinning oil, the mixture is uniformly sprayed on the surface of the aramid fiber through nozzle oil equipment, and the aramid fiber with the surface uniformly attached with the uvioresistant absorbent is produced through spinning equipment. The problems that para-aramid ultraviolet-resistant property is poor, oxidative degradation is likely to occur under ultraviolet light are better solved, and the preparation method can be used for spinning industrial production for preparing the uvioresistant aramid fiber.