4039results about How to "Improves UV resistance" patented technology

The invention discloses a kind of new industry dope. It comprises such materials as 95 - 105 weight shares of Component A, and 1 - 3 weight shares of Component B; thereinto, Component A is made from following weight percents of materials: cementing agent 30-60%, pigment 12 - 30%, filling agent 10 - 30%, auxiliary agent 0.1 - 5%, compound nanometer dispersing agent 5 - 15% and solvent 10 - 25%; Component B is comprised of catalyzed membrane forming agent - nanometer Sb2O3 and mixed organic solvent carriers. The invention firstly brings nanometer Sb2O3 into high temperature heat preservation dope as catalyzer in dope membrane forming process. The dope of the invention has following advantages: it has high temperature heat preservation and heavy anticorrosion performances, and the coat has good acid resistance, alkali resistance, salt mist resistance, oil resistance, chemical reagent resistance, waiting resistance and ultraviolet resistance; it has excellent fire protection and waterproof performance; the clinging strength of smearing membrane is good, membrane forming speed is fast, and performance is stable.

A light transmission tube includes a tubular clad and a core section having a higher refractive index than that of the tubular clad. A belt-like reflecting layer is formed between the tubular clad and the core section, extending in the longitudinal direction of the tubular clad, in a manner such that a light passing through the core section is reflected and scatterred by the reflecting layer and then emitted from an outer surface area of the tubular clad, which outer surface area is located opposite to one side of the tubular clad where the reflecting layer has been formed. Further, the reflecting layer may be so formed that a light is allowed to be emitted in a plurality of directions. Moreover, the belt-like reflecting layer may be formed into a spiral configuration. The width of the belt-like reflecting layer may be changed in the longitudinal direction of the light transmission tube. The tubular clad is allowed to have a non-circular cross section. The clad formation material may contain an ultraviolet light shielding material or an ultraviolet light absorbing material.

There is provided a sheet material having a walking surface with high slip resistance. The sheet material has a flexible structural layer laminated to a mesh layer which has interconnected reinforced strands and protruding nodes to impart a high coefficient of friction. The high coefficient of friction of the sheet material provides a roofing underlayment which is safe to walk upon in dry, wet or dusty conditions, and on steeply sloped surfaces. The sheet material may also be used as an industrial wrapping material or a fabric.

This invention refers to a kind of component of nick resistant talcum-powder-filling polypropylene, is characterized with strengthened toughness through latex and is composed of the following materials in amounts of weight: between 50 and 80 of polypropylene, between 5 and 35 of filler, between 5 and 25 of latex, between 0.5 and 5 of high molecular silicone elastomer, between 0.05 and 0.5 of nucleater, between 0.1 and 1.0 of stabilizer, between 0.2 and 1.5 of talcum powder surface passiation agent, between 0.05 and 1.0 of processing agent and between 0.3 and 2.0 of toner. The manufacturing method is to weigh the materials in amounts of weight, to mix polypropylene, filler, latex, high molecular silicone elastomer, nucleater, stabilizer, talcum powder surface passiation agent, processing agent and toner in homo mixer, then put them into double-screwed extruder for melting and extruding. After cooling, drying and pelleting, we can get the turnoff. The invention improves the nick resistance of polypropylene, ultraviolet radiation endurance and thermal endurance and the toughness and rigidity of the material reach good balance. It can meet the requirements of the material of automobile limbs. It can demold at a relatively high temperature, improves the moulding efficiency greatly and reduces the processing cost.

The invention discloses a composite type high-conductivity polymer material and a preparation method thereof, which belongs to the technical field of new materials. The composite type high-conductivity polymer material is characterized by comprising the following raw materials in percentage by weight: 40-62 wt% of base resin compositions, 18-25 wt% of super conductive carbon black, 10-30 wt% of rubber filling oil, 1-3 wt% of low molecular wax, 0.2-0.8 wt% of fluoroelastomer processing aid (PPA), 0.5-2 wt% of lubricant, 1.5-3 wt% of inorganic filler and 0.5-2.5 wt% of other aids. The compositetype high-conductivity polymer material has the advantages of excellent high conductivity, environmental stress cracking resistance, weatherability, ozone resistance, ultraviolet resistance, favorable high temperature resistance, high impact resistance, oil resistance, solvent resistance and mechanical property, and can be used as an environment-friendly conductive polymer sheath material of an combined through earth line, a metal anticorrosive material of other ground cable, a conductive plastic cladding material of a conductive plastic cable positive wire, an optical cable flexible sheath material, and the like.

The invention belongs to the technical field of road asphalt modification and relates to an ultraviolet aging-resistant compound modified asphalt, wherein on the basis of 100 parts by weight of matrix asphalt, in parts by weight, 1-6 parts of styrene-butadiene-styrene block copolymer, 3-18 parts of waste rubber powder, 5-10 parts of rock asphalt, 0.3-2.5 parts of sweller, 0.03-0.2 part of activator, 0.1-1 part of plasticizer and 0.2-0.5 part of stabilizer are further added, wherein the sweller is furfural extract oil which is subjected to dewaxing treatment previously; the furfural extract oil contains 60wt%-88wt% of aromatic components which contain 40-65wt% of heavy aromatic hydrocarbon; and the waste rubber powder is waste rubber tire tread rubber powder having the content of carbon black between 28wt% and 58wt% and the grain diameter between 45 and 80 meshes. The ultraviolet aging-resistant compound modified asphalt provided by the invention is up to the standard of the polymer modified asphalt in performance, and the ultraviolet aging resistance of the asphalt is improved to a large extent; and waste resources are utilized.

The invention relates to a building material, and in particular relates to an exterior wall color surface decoration mortar and a preparation method thereof. The exterior wall color surface decoration mortar comprises the following raw materials by weight: 20%-30% of white cement, 50%-60% of quartz sand, 0.1%-0.5% of chopped fiber, 10%-20% of heavy calcium carbonate, 0.2%-1% of latex powder, 0.3%-0.5% of cellulose ether, 1%-5% of an inorganic pigment, 0.2%-0.4% of a water repellent, 5%-10% of coal powder ash, 0.1%-0.15% of a defoaming agent, 1%-3% of metakaolin, 0.2%-0.5% of a thixotropic lubricant and 1%-2% of a water reducing agent. The exterior wall color surface decoration mortar has the advantages of crack resistance, weather resistance, good ultraviolet resistance, permanent and uniform color, good whiskering resistance, and the like, can be well combined with various inorganic base layer materials, is good in coating density, and can be widely used in the building fields such as exterior wall decoration and the like.

The invention discloses an ethylene-acetic acid polymer rubber film for solar energy battery packaging and preparation method thereof. The rubber film is composed of ethylene-acetic acid polymer granular materials, solidifier, heat-conducting filler, antioxidant, UV stabilizer, and coupling agent according to certain mass parts; the preparation method is: 1, mixing heat-conducting filler and coupling agent, drying and dispersing the mixture by grinding, to obtain active heat-conducting filer; 2, mixing ethylene-acetic acid polymer granular materials and solidifier; 3, mixing antioxidant, UV stabilizer and said active heat-conducting filler; 4, adding mixture of said step 3 into mixture of step 2, mixing the mixture and extruding the mixture, casting, cooling, towing, coiling the extrusion, obtain rubber film of the invention. Compared with current products, the rubber film of the invention has a higher heat-conducting coefficient which is increased by more than 3 times, and properties of improved photo-electric conversion ratio of solar energy battery, and prolonged useful life.

The invention provides multifunctional viscose. The multifunctional viscose comprises viscose, graphene and nano-silver, wherein nano-silver is loaded to a graphene slice layer in situ. The invention further provides a preparation method of the multifunctional viscose. The preparation method is characterized by comprising the following steps: (a) dispersing graphene in a water solution, so as to obtain a graphene dispersion liquid; (b) dissolving silver salt into the graphene dispersion liquid, adding a reducing agent, and carrying out reduction reaction, so as to obtain nano-silver-loaded graphene dispersion liquid; and (c) uniformly mixing the nano-silver-loaded graphene dispersion liquid with viscose liquid, and carrying out spinning, so as to obtain the multifunctional viscose. An experimental result shows that compared with viscose which is not added with nano-silver-loaded graphene, the multifunctional viscose has the advantages that the far infrared temperature increase performance is increased by not less than 100%, the ultraviolet protecting coefficient is increased by not less than 70%, and the antibacterial activity reaches 99.9% and is increased by not less than 100%.

The invention relates to the manufacturing field of a special extrusion grade T-die thermoplastic elastomer, in particular to a manufacturing formula and a manufacturing method thereof. The formula comprises the following components: 20-40% of 4,4'-diphenylmethane-diisocyanate, 15-70% of polybutylene adipate the molecular weight of which is 1000 or 2000, 0-50% of poly butylene glycol adipate the molecular weight of which is 2000, 5-15% of 1,4-butanediol, 0-5% of glycol, 0.1-1.0% of antioxidant, 0.1-1.0% of lubricant, 0.001-0.1% of environment-friendly catalyst, 0.1-1.0% of ultraviolet absorbent, 0.1-1.0% of light stabilizer and 0.1-1.0% of hydrolysis resistant agent. Continuous production processes are used for synthesizing TPU (thermoplastic polyurethane). The product of the invention has the advantages of stable quality, excellent performance, few T-die extrusion crystal points, good transparency (more than 4mm), stable extrusion, no occurrence of separation of additives, high hydrolysis resistance and high UV (ultraviolet) resistance, and the indexes and the performance of the product can reach the indexes of international like products. The invention provides a thermoplastic polyurethane elastomer and a manufacturing method thereof.

The invention discloses a positive and negative mixed liquid crystal composition. The positive and negative mixed liquid crystal composition is characterized by comprising an additive component A which consists of one or more compounds shown in a general formula S-1, a general formula S-2, a structural formula S-3 and a structural formula S-4, a component B which consists of one or more negative compounds shown in a general formula I and a component C which consists of one or more positive compounds shown in a general formula II. According to the positive and negative mixed liquid crystal composition, the problems of low transmittance, low response speed and especially poor anti-ultraviolet capability of the conventional liquid crystal mixture are solved.

A modified emulsion asphalt compounded by inorganic nano-particles and polymer contains 200-700 parts by weight of asphalt, 2-80 parts by weight of modified inorganic nano-particles, 5-50 parts by weight of styrene-butadiene rubber latex, and 170-793 parts by weight of water, wherein the modified inorganic nano-particles is prepared by mixing 95-98 parts by weight of inorganic nano-particles with 2-5 parts by weight of coupling agent, and each components are mixed, followed by normal emulsion treatment to get the emulsion asphalt. The invention utilizes unique surface effect, small size effect and macroscopic quantum tunneling effect etc. of the inorganic nano-particles to give the product comprehensive properties, such as good wear resistance, intensity sum, anti-aging property and fine waterproof effect etc. Using the invention can increase the road maintenance cycle and decrease the cost. Furthermore, the water-proof cost of construction industry is greatly decreased.

The invention discloses a high-reflectivity photovoltaic module packaging film. The high-reflectivity photovoltaic module packaging film with a surface pre-crosslinked structure is prepared by the following steps: pre-mixing transparent resin with a high-reflectivity additive and other functional accessories, carrying out melting extrusion, film casting and surface pre-crosslinking treatment, and coiling. By adding the high-reflectivity additive, the ultraviolet-resistance performance of the film can be improved, and meanwhile, the utilization rate of a module on sunlight is enhanced, and therefore the effects of improving the service life and photoelectric conversion efficiency of the module are achieved; meanwhile, by virtue of the surface pre-crosslinked structure, the high-reflectivity layer film can be effectively prevented from overflowing during a photovoltaic module laminating process and the appearance of the module is effectively improved; the packaging film is universal for various laminating processes.

The invention discloses a process for producing a high-density nylon fabric. The process comprises the following steps of: unwinding and sewing; treating before desizing; presetting; dyeing; fixing color; dewatering; scutching; after-finishing; calendaring; detecting, folding and packaging. The process is characterized in that the phenomenon that the fabric gets yellow at high temperature can be reduced and the dyeing rate of the fabric can be improved because a yellowing resisting agent is used in the process of presetting, the ultraviolet resisting capacity of the fabric can be well improved because an ultraviolet absorbing agent is used in the process of dyeing, the tearing strength of the fabric can be improved because a right amount of a cross-linking agent and a tearing-fastness improving agent are added into a setting and finishing solution, and the excellent down penetration effect of the fabric can be achieved without using a chemical additive coating because the process of calender finishing is adopted.

An envirnomental protection type nano-paint with high resistance to ultraviolet ray, bacteria, mildew, brush, acid, and alkali, photocatalyzing function and amphophobic performance is prepared from filming material, nano material chosen from TiO2, SiO2 and zinc oxide, additive and water.

The invention discloses a high-barrier polyester film, which has a three-layer composite construction, comprising a core layer, an upper cortex and a lower cortex. The core layer comprises the following components of: 60-100 wt% of PET polyester slices, 0-40 wt% of PEN polyester slices; the cortexes comprise the following components of: 92-98 wt% of PEN polyester slices, 0.2-2 wt% of a nucleating agent and 1-6 wt% of a nucleating modifier. The invention also discloses a coextruding-drawing preparation method of the above high-barrier polyester film. The invention has a simple preparation technology; in addition to excellent physical properties, the produced polyester film has better gas barrier property, heat resistance and radiation resistance performance, and can be applied in the fields of solar energy cell back-piece and the like.

The invention relates to a water-based two-component fluorosilicone acrylic anticorrosive paint. A film forming material component consists of 50-70 parts of water-based hydroxyl fluorosilicone acrylic resin, 20-40 parts of a pigment/filler, 1-10 parts of an auxiliary and 3-20 parts of de-ionized water, and a curing agent component comprises 5-10 parts of aqueous polyisocyanate and 1-5 parts of a thinner, wherein the weight ratio of the film forming material to the curing agent is 100: (5-15). The preparation method comprises the steps of dispersing and grinding the de-ionized water, the auxiliary and the pigment/filler, adding the water-based hydroxyl fluorosilicone acrylic resin, and uniformly stirring the prepared film forming material with the curing agent to obtain the paint. The anticorrosive paint has the advantages that a polysiloxane-polyurethane segmented copolymer is synthesized by taking the polysiloxane as a soft segment, thus enhancing water resistance, corrosion resistance and other performances; the shell raw material, which includes a fluorine-containing acrylic monomer, guarantees excellent ultraviolet and nuclear radiation resistance, flexibility, wear resistance and durability of coating. The paint is good in compatibility, self-dried at normal temperature, non-toxic and tasteless, low in volatile organic compound (VOC) and strong in coating adhesion, and can be widely applied to large steel structure, bridge, boat and other fields.

The invention discloses a distortion-resistance wind power generation cable sheath material and a cable. The cable material comprises the following components in weight parts: 100 parts of chlorinated polyethylene, 10-30 parts of amorphism copolymer, 10-20 parts of cold-resistant plasticizer, 40-80 parts of reinforcing filler, 5-15 parts of nanosacle inorganic active agent, 2.5-5 parts of cross-linking agent, 2-5 parts of cross-linking assistant agent, 1-2.5 parts of antioxidant antiager and 10-30 parts of inorganic fire retardant, wherein the amorphism copolymer is a mixture of amorphism polyolefin thermoplastic elastomer and chlorinated polyethylene elastic body; and the nanoscale inorganic active agent is nanoscale zinc oxide and magnesium oxide. The cable of the invention has low-temperature resistance (-60DEG C)and distortion resistance, excellent flexibility, improves the homogenisieren property of the other materials by adding the nanoscale inorganic active materials, improves the molecular structure, has better flexibility because of the uvio-resistance, and has the characteristics of distortion, cold, oil and corrosion resistance and the like.

A photomask including a substrate comprised of fluorite (calcium fluoride (CaF2)) and protective films comprised of chrome (Cr), chromium oxide (Cro), silicon oxide (SiO2 or SiO), etc. and formed at regions, other than the pattern region where the pattern to be transferred is formed, which contact other members when transporting the photomask or using it for exposure.

The invention discloses a full-biobased epoxy resin condensate. The condensate is prepared by the following components in part by weight: 100 parts of abietyl-based epoxy resin base material, 50 to 300 parts of tung oil anhydride and 1 to 15 parts of catalyst, has the characteristics of higher mechanical property, high ultraviolet resistance, high aging resistance and the like and is particularlysuitable for preparing biobased composite material matrix resin and outdoor electric insulation materials. The invention also discloses a preparation method for the full-biobased epoxy resin condensate. The preparation method has a simple preparation process, is high in operability and process controllability and is easy to implement industrially. The invention also discloses a full-biobased epoxy resin composition and application thereof. The full-biobased epoxy resin composition is suitable for preparing a weather resistant epoxy adhesive, epoxy resin paint and an epoxy resin coating and has a good application prospect.