43results about How to "Good anti-light aging performance" patented technology

The invention discloses an artificial quartzite plate material which comprises the following components in percentage by total mass of quartzite plate: 60-63 percent of quartz sand with the grain size of 5-100 meshes and inorganic silicon materials of waste glass granules, and the like, 28-32 percent of quartzite powder with 320-3000 meshes, 7-9 percent of unsaturated resin and 0.4-0.6 percent ofpigment and a coupling agent as well as other components in percentage by mass of resin: 0.5-1 percent of ultraviolet absorber, 0.5-1 percent of disintegrant and 0.8-1 percent of curing agent. The invention also discloses the quartzite plate prepared from the raw materials and a manufacturing process thereof. In the invention, the quartzite plate is produced by the steps of vibrating and pressurizing the quartz sand, the quartzite powder, the inorganic silicon materials of waste glass granules, and the like and the unsaturated resin under the vacuum state and curing and synthesizing under theintermediate temperature. The quartzite plate overcomes the problem that the traditional artificial stone is aged under strong lights after long-term use outdoors and has favorable physical and chemical properties.

The invention relates to a functional nano-coated high-definition rear-projection display screen and belongs to the material technical field. The display screen comprises a transparent substrate and a functional nano-coating. The substrate is made of transparent materials such as polymethyl methacrylate (PMMA) or polycarbonate (PC). The functional nano-coating contains nano-sized light-scattering fillers such as earth oxides, oxides or sulfides. The refractive index of the filler is in the range from 1.5 to 3.0. The particle size of the filler is in the range from 80 nm to 300 nm. The coating also contains nitrocellulose lacquer, acrylic acid or polyvinyl butyral film-forming agent, thinner or alcohol diluent, high color black liming agent and dispersing agent. The novel nano-coated high-definition rear-projection display screen has the advantages of adjustable high brightness within a large range, large view angle and ultra-high resolution. The functional nano-coating is not limited by the structure and size of the screen and particularly applicable to large-size screens, special-shaped screens and spliced screens.

The invention relates to a PVC (polyvinyl chloride) combination for a storage battery shell and a preparation method thereof, belongs to the field of material science and in particular relates to an injection molding heat-resisting PVC combination and a preparation method thereof, wherein the combination is applicable to producing the storage battery shell. By virtue of adopting PVC resins with low polymerization degree, and combining specific compound heat-resisting modifiers, size stabilizers and full-ester impact modifiers, the PVC combination which has higher vicat softening temperature and superior impact property is produced. Compared with the prior art, the PVC has the following advantages: by virtue of adopting the heat-resisting modifiers with specific components and combining the size stabilizers, the heat-resisting performance of the PVC resins is improved, and therefore the PVC combination for the storage battery shell provided by the invention has higher vicat softening temperature, and by virtue of adopting the full-ester impact modifiers, the material has superior impact property, and meanwhile the anti-photoaging performance is prevented from being reduced.

The invention relates to a high-build epoxy coal tar pitch anticorrosive coating and a preparation method thereof. The preparation method comprises the following steps of: adding dimethylbenzene, n-butyl alcohol, butanone, coal tar pitch resin liquid, toughened resin, precipitated barium sulfate, silk mica powder, talc powder, a hoof-joint type rheological control aid, a coupling agent 01, a CibaEFKA3650 aid, an organic defoaming agent and poly organic carboxylate into bisphenol A type epoxy resin with medium molecular weight, stirring, dispersing at a high speed, and grinding into a component A; stirring phenolic ammonia, an accelerator, ethanol and a CibaTINUVIN 460 light stabilizer to form a component B; and uniformly mixing the component A and the component B in a ratio of 10:1. The high-build epoxy coal tar pitch anticorrosive coating has certain toughness, and has excellent adhesion, high microbial corrosion resistance, long construction operating period and certain light ageing resistance when applied to prestressed concrete cylinder pipe (PCCP) exterior walls.

The invention relates to a fluorescent multicolor floor and a preparation method thereof. The fluorescent multicolor floor comprises a ground base layer, a ground coat and a fluorescent layer, wherein the ground coat is uniformly adhered to and covers the upper surface of the ground base layer; the fluorescent layer is adhered to and covers the ground coat. The fluorescent multicolor floor prepared according to the invention is environmental-friendly, has simple and convenient process and excellent modificability, has a fluorescent multicolor fantastic art style, also has excellent chemical resistance, excellent wear resistance, high hardness, high adhesive force, high impact resistance, low possibility of aging, simplicity in cleaning and overall seamlessness, and is applied to multiple leisure and entertainment occasions.

The invention is suitable for preparing a solar cell back film, and provides a blend film containing graphene and a preparation method thereof. The blend film is a blend membrane of titanium dioxide graft, PVDF, PMMA, PPA and graphene, and the titanium dioxide graft is modified titanium dioxide with a silane coupling agent KH570 grafted on the surface. In the existence of the graft, the titanium dioxide has non-uniformity phenomenon in the blend membrane, so that when the blend membrane is used as the solar cell back film, the cohesive force between the film and other backboard base materials is greatly increased, and the existence of the PMMA, PPA and graphene also improves the aging resistance, heat conductivity and surface smoothness of the solar cell back membrane. The preparation method comprises the following steps: first grafting the silane coupling agent KH570 onto the surface of the titanium dioxide, mixing weighted TiO2 graft, PVDF, PMMA, PPA and graphene, uniformly mixing, extruding to form strips, cutting the strips into granules, drying the granules, extruding the granules by virtue of a single screw, and tape casting to obtain the blend film.

The invention provides a novel antibacterial anti-radiation silver infiltrating solid fiber fabric and a preparation method thereof. The method comprises the following steps: (1), immersing fiber fabric into an antibacterial silver solution for 20 to 50 minutes, and drying; (2), immersing the fiber fabric into a washable finishing liquor for 30 to 60 minutes, and drying, so as to obtain the novelantibacterial anti-radiation silver infiltrating solid fiber fabric. The novel antibacterial anti-radiation silver infiltrating solid fiber fabric has the benefit of overcoming disadvantages that metal silver can be only distributed on the surface of fiber and fabric, is not washable, does not endure rubbing, oxidation and friction, and is unstable in electric conduction in the traditional technology. The novel antibacterial anti-radiation silver infiltrating solid fiber fabric can ensure that fabric and cloth are distributed at a silver state from the inner part to the outer part, and the formed metal silver is high in density, washable, rubbing resistant, oxidation resistant and friction resistant. The application fields of the fiber fabric is not limited to medical treatment, clothing,home textiles, national defense, aviation, automobiles, anti-static workwear, wrist straps, printers and air-conditioning filters.

The invention relates to an artistic floor, which comprises a bottom coating layer, an artistic bottom color layer, an artistic coloring layer and a protective layer, wherein the bottom coating layer is adhered and covered on the ground foundation uniformly; the artistic bottom color layer is adhered and covered on the bottom coating layer uniformly; the artistic coloring layer is drawn and covered on the artistic bottom color layer uniformly; and the protective layer is adhered and covered on the artistic coloring layer uniformly. The artistic floor provided by the invention is environment-protecting and environment-friendly and has the advantages of high chemical resistance, strong adhesive force, impact resistance, greasy dirt resistance, dust resistance, easiness in cleaning, attractive appearance, color diversification, pattern personalization, fastness and the like.

The invention discloses an antibacterial anti-aging flame-retardant dendritic polyacrylate emulsion and a preparation method thereof. The antibacterial anti-aging flame-retardant dendritic polyacrylate emulsion comprises the following raw materials in parts by mass: 50 to 70 parts of methyl acrylate, 20 to 30 parts of acrylic acid, 10 to 15 parts of itaconic acid, 10 to 15 parts of melamine, 3 to 7 parts of amino trimethylene phosphonic acid, 5 to 15 parts of glucose, 10 to 20 parts of tetraethylenepentamine, 1 to 2 parts of a catalyst, 0.5 to 1.5 parts of an initiator, 15 to 25 parts of modified nano zirconium phosphate, 2 to 3 parts of allyloxy nonylphenoxy propanol polyoxyethylene ether ammonium sulfate, 30 to 40 parts of N, N-dimethylformamide and 80 to 120 parts of deionized water. The preparation method comprises the following steps: carrying out amidation reaction on-NH2 in melamine and amino trimethylene phosphonic acid and-COOH in acrylic acid and itaconic acid, carrying out esterification reaction and amidation reaction on glucose and tetraethylenepentamine serving as an inner core and free-COOH of a system, or carrying out reaction on glucose and tetraethylenepentamine and-H2PO3, and carrying out copolymerization on the obtained product and methyl acrylate under the action of an initiator so as to obtain a polyacrylate branched chain inner shell, and crosslinking thepolyacrylate branched chain inner shellwith the modified nano zirconium phosphate to realize molecular modification.

The invention provides a synthetic method for carbon nanotube/carbon black compound modified styrene resin. According to the invention, a styrene- acryloyl chloride-glycidyl methacrylate copolymer is used as an interfacial cross-linking modifier for preparation of hybrid cross-linking particles from carbon nanotubes and carbon black so as to achieve the purpose of hybridization of rod-like carbon nanotubes and granular carbon black; and the hybrid cross-linking particles are added during bulk polymerization of styrene, so the carbon nanotube/carbon black compound modified styrene resin is prepared. The carbon nanotube/carbon black compound modified styrene resin is applied to plastic extrusion of polystyrene foam XPS. The synthetic method is simple, easy to operate and low in cost. The dispersity of carbon nanotubes/carbon black in the prepared resin is good; XPS prepared from the resin has a low heat conduction coefficient and high thermal resistance; and when the total addition amount of the carbon nanotubes and carbon black is 6%, XPS prepared from the obtained resin has a heat conduction coefficient of 0.023 to 0.027 W/(m.K).

The invention belongs to the technical field of high polymer material processing aids, and discloses a weather-resistant master batch UV-7308PP5 as well as a preparation method and application thereof. The weather-resistant master batch UV-7308PP5 comprises the following components in percentage by mass: 20%-40% of a light stabilizer 3853, 10%-30% of a light stabilizer 2908; 30%-50% of PP resin; 2%-10% of polypropylene wax; 0.1%-0.1% of a main antioxidant; and 0.1%-0.5% of an auxiliary antioxidant. According to the present invention, the proper polypropylene wax is added, such that the precipitation of the light stabilizer 3853 can be avoided by improving the melt strength of the master batch so as to avoid the agglomeration, the agglomeration and the precipitation do not need to be prevented through the coating of the film, and the advantages of simple process, low cost and the like are provided.

The invention relates to an application of deoxyschizandrin in preparation of cosmetics or externally-applied medicines with functions of resisting light aging or removing acnes and diminishing inflammation. The mass content of Chinese magnoliavine fruit lignan in deoxyschizandrin is not less than 5%, and the use amount of deoxyschizandrin in the cosmetics or the externally-applied medicines is 0.01-10% in percentage by mass. The application disclosed by the invention has the advantages that researches show that deoxyschizandrin has relatively good anti-light-aging effects, also has a relatively good anti-inflammatory effect on inflammation caused by propionibacterium acne, and can be used for preparing the cosmetics or the externally-applied medicines with the effects of resisting light aging or removing the acnes and diminishing inflammation.

The invention relates to the technical field of anti-radiation textile materials, in particular to an anti-radiation fiber based on a nano material and a preparation method thereof. The anti-radiationfiber comprises the following components of, in percentage by weight, 3.5%-48.5% of activated carbon resin loaded with nano zinc oxide, 0.1%-1.5% of yttrium-doped zinc ferrite, and the balance of polyester chips, wherein the nano zinc oxide is prepared by taking dihydromyricetin as a template, and the weight ratio of the nano zinc oxide to the yttrium-doped zinc ferrite is 1: (25-30). The fiber has excellent mechanical strength, anti-radiation performance, anti-ultraviolet permeability and the effect of inhibiting virus bacteria, meanwhile, the washing resistance and light aging resistance ofthe fiber are excellent, and the service life of a fiber product is prolonged while the quality of the fiber product is improved.

The invention discloses an anti-ultraviolet repair material as well as a preparation method and application thereof. The preparation method of the repair material comprises the following steps: modifying an inorganic ultraviolet light screening agent with cyclodextrin; subjecting a guest molecule and thionyl chloride to a substitution reaction, reacting a product with hydroxyethyl methacrylate and triethylamine, subjecting the obtained guest molecule with a double-bond structure and a beta-cyclodextrin modified inorganic ultraviolet screening agent to clathration and freeze-drying to obtain a host-guest clathrate compound, then mixing the host-guest clathrate compound with an acrylic acid comonomer, an initiator, an accelerant and a reactive diluent, and carrying out polymerization reaction to obtain the anti-ultraviolet repair material. The anti-ultraviolet repair material disclosed by the invention not only has good ultraviolet light shielding capability and good light aging resistance, but also can automatically repair damage for multiple times, does not need external condition stimulation, can restore original performance, prolongs the service life of a cable sheath, and saves the cost of power grid construction and operation and maintenance.