51results about How to "Guaranteed anti-aging properties" patented technology

The invention discloses a recycled polyester material and a preparation method thereof. The recycled polyester material is composed of waste polyester, an inorganic filler, glass fiber, a chain extender, a deodorant, a dispersant, an antioxidant, an ultraviolet absorber and a heat stabilizer. The preparation method of the recycled polyester material includes the following steps: 1) preparing wastepolyester particles; 2) mixing the waste polyester particles, the inorganic filler, the glass fiber, the chain extender, the deodorant and the dispersant uniformly, and carrying out extrusion granulation to obtain the recycled material; and 3) mixing the recycled material, the antioxidant, the ultraviolet absorber and the heat stabilizer uniformly, and then performing extrusion granulation to obtain the recycled polyester material. The recycled polyester material has high tensile strength, high bending strength, high elongation at break, good aging resistance and good workability, the recycling preparation process is simple, and the recycled polyester material can be used as an injection molding raw material of helmets, household appliance shells, building boards and toys without additionof new resin.

The invention discloses modified emulsified asphalt and a preparation method thereof. According to the method, SBS modified asphalt heated to 168-180 DEG C and liquid soap heated to 55-70 DEG C are added to emulsifying equipment together for shear emulsification, and the modified emulsified asphalt is obtained. The method is simple and reliable; ceiling temperature of the modified asphalt and theliquid soap is controlled, energy is saved, and manufacture cost is reduced. The prepared modified emulsified asphalt is stored stably, the demulsification speed being rapid breaking or medium breaking of the emulsified asphalt is taken into consideration, so that the asphalt is easy to spray in construction, the demulsification curing time is short, and follow-up construction is not affected. Waterproofness and bonding performance of the modified emulsified asphalt when applied to a bonding layer material are obviously higher than those of the modified emulsified asphalt material in the priorart. The prepared bonding layer material can have excellent ageing resistance, bonding performance, waterproofness and high-low-temperature stability.

The invention provides novel heat-preservation wallpaper. The novel heat-preservation wallpaper is prepared from the following components in parts by weight: 10 to 15 parts of ramie fibers, 21 to 31 parts of chitosan fibers, 8 to 12 parts of an antioxidant, 2 to 7 parts of a compatilizer, 0.8 to 3.4 parts of a flame retardant, 22 to 42 parts of silicon dioxide aerogel particles, 26 to 34 parts ofpolypropylene fibers, 6 to 13 parts of alkali-free and low-floating long glass fibers and 51 to 69 parts of glutinous rice milk; the content of soluble solid matters of the glutinous rice milk is 48 percent to 62 percent; the monofilament diameter of the alkali-free and low-floating long glass fibers is 33 to 45mum; the monofilament length of the alkali-free and low-floating long glass fibers is 9to 18mm. According to the novel heat-preservation wallpaper provided by the invention, the wallpaper are endowed with functionality and the requirements on application and development of the wallpaper in modern homes are met.

The invention discloses a prefabricated sandwich building wall panel. The prefabricated sandwich building wallboard comprises an outer wall panel and an inner wall panel, wherein the outer wall panelcomprises a facing layer, a thermal insulation layer and a structural layer, and the inner wall panel comprises a facing layer, a thermal insulation layer and a facing layer. According to the preparation technology of the prefabricated sandwich building wallboard, crushed straw is subjected to pre-treatment, the pre-treatment comprises alkaline water soaking, filtering and drying, according to effects of size of untreated and treated crop straw fibers on dissolved matters and water-absorbing swelling / drying shrinkage performance, effects of the straw particle size and corresponding technologyparameters on the performance of a straw / foam concrete compound material are studied, and the corresponding technology parameters and a mixing proportion are optimized; a heat conductivity coefficientand the ageing resistance performance of the prefabricated sandwich panel are ensured, based on the proper mixing proportion, a high polymer material is added, an optimal binding mode of inner panels, the thermal insulation layers and outer panels is fished out, moreover, the problem that the straw is prone to rotting and going bad is solved, the stability of the straw is maintained, and the mechanical strength and the durability of the novel wallboard are guaranteed.

The invention discloses an acrylate polymer composite waterproof system and a construction method thereof. The system comprises a waterproof coating spread on a base layer. The waterproof coating comprises a base adhesive layer sprayed on the base layer, an acrylate polymer waterproof coiled material adhered to the base adhesive layer and a protection layer sprayed on the coil material. The construction method comprises the steps of cleaning the base layer and printing the pink line, spraying the base adhesive layer on the pre-spread location, while the layers being still wet, swiftly spreading the acrylate polymer waterproof coiled material, using a scraper to level wrinkled area, after the spreading of the waterproof coiled materialm drying in natural condition, after the coiled material being solidly glued, spraying the protection layer uniformly on the surface, and airing for 24 hours to complete the construction. The three layers of waterproof structure coordinate with each other, and constitute a highly reliable waterproof system, thus overcoming the functional limitation of a single water proof material. The system has the advantages of being strong in anti-permeation ability and tensile strength, good in low temperature flexibility, small in coefficient of linear expansion, high in adhesive strength, strong in deformation adaptability, and long in service life. The construction method has the advantages of requiring no open fire operation, being convenient for construction and being environment-friendly and the like.

The invention discloses a high temperature-resistant rubber pad. The weight ratio of each component is 60-80 parts of nitrile rubber, 5-10 parts of polyacrylonitrile carbon fiber, 10-15 parts of nano-zinc oxide, and 2-2 parts of nano-graphite powder. 5 parts, 1~2 parts of accelerator, 3~5 parts of carbon black, 1~2 parts of stearic acid, 2~5 parts of calcium carbonate, 1~2 parts of rare earth and 2~4 parts of metal cobalt, of which rare earth and metal cobalt The weight ratio is 1:2. The high temperature-resistant rubber mat obtained by the present invention has high heat resistance and excellent mechanical properties. After testing, the high-temperature-resistant rubber mat can work at high temperature for a long time, and its service life is doubled compared with traditional rubber mats. above.

The invention discloses a heating film with a graphene-based hot-pressed copper sheet structure and a preparation method thereof. The heating film includes a first insulating layer, a heating layer located on the first insulating layer, an electrode layer located on the heating layer, The protective layer positioned on the electrode layer, the second insulating layer positioned on the protective layer; the heat generating layer is a graphene layer, and the electrode layer is two electrode copper strips fixed on the heat generating layer by hot pressing, so Described graphene layer is made of following raw materials by weight, graphene 24-34, carbon black 6-8, polyol ester 2-5, bamboo charcoal powder 1-2, polydimethylsiloxane 1-3, turpentine 12‑18, Sodium Lauryl Sulfate 1‑3. The graphene heating film of the invention is resistant to aging and rubbing, and has a simple and easy manufacturing method.

The invention discloses a trampoline mesh surface which comprises cords. The cords comprise the first cords arranged in the X direction and the second cords arranged in the Y direction. The first cords have an arrangement mode A and an arrangement mode B, the second cords have an arrangement mode C and an arrangement mode D, and the surfaces of the cords are coated with protective layers. The trampoline mesh surface is prepared through the following steps that 1, the first cords are pulled in the X direction firstly to form a first mesh surface; 2, the second cords in the Y direction are threaded through a shuttle, and a second mesh surface is formed; 3, the surface mesh surface is coated with the protective layers, and the trampoline mesh surface is formed. The cord components are improved, the protective layers which have good binding performance with the cords and good anti-ultraviolet and anti-aging effects are used in cooperation, and the anti-aging effect and use firmness of the trampoline mesh surface are improved; a preparation method assists in improvement of the materials and the structure, the anti-aging effect of the protective layers and the strength of the mesh surfaces are guaranteed, and the machining difficulty is low.

The invention provides an anti-aging painting and calligraphy carrier material, which comprises, by weight, 13-22 parts of Pteroceltis tatarinowii bark fiber, 23-34 parts of Shatian straw fiber, 8-15parts of an antioxidant, 3-9 parts of a compatibilizer, 1.4-2.9 parts of a flame retardant, 12-28 parts of bagasse fiber, 8-13 parts of bamboo fiber, 19-32 parts of soybean protein fiber, 9-17 parts of alkali-free low-floating short glass fiber, and 45-58 parts of rice slurry, wherein the soluble solid content of the rice slurry is 52-68%, and the alkali-free low-floating short glass fiber has themonofilament diameter of 9-17 [mu]m and the monofilament length of 5-12 mm. According to the present invention, the partial traditional Xuan paper raw material is replaced by combining the plant fiber and the organic fiber, such that the cost is saved, the pulping effect is good, and the service life and the fire retarding performance of the Xuan paper are improved.

The invention discloses a low-voltage cable branching connector and a low-voltage cable distribution box. The low-voltage cable branching connector is characterized in that annular tooth grooves are machined inside vertical side pipeline openings and horizontal side pipeline openings of right-angle pipelines inside a connector body cover; right-angle portions of the right-angle pipelines are communicated through a connector body; two adjacent surface positions of the connector body, which are opposite to vertical side pipelines and horizontal side pipelines, are provided with circular holes; every two circular holes are communicated; internal threads are machined on the circular holes which are corresponding to horizontal pipelines; middle sleeves are arranged inside the vertical side pipeline openings of the connector body cover; the annular tooth grooves are formed inside the middle sleeves and cables are inserted inside the annular tooth grooves; ends of the cables are inserted into the connector body circular holes which are corresponding to the vertical side pipelines and are compressed through cable pressing nuts. The low-voltage cable distribution box is characterized in that the above four rows of low-voltage cable branching connectors are installed on trapezoid folding plates of a box body base plate. The low-voltage cable branching connector and the low-voltage cable distribution box can safely and efficiently achieve load distribution.

The invention relates to a process for producing high concentration plastic nanometer flame-proof agglomerates, which comprises carrying out powdery combustion inhibitor surface modification, high speed kneading, mixing homogeneously, activation processing. According to the disclosed process, nanometer magnesium hydroxide is employed to charge silicane coupling agent A-174%, surface active dispersing agent KO-311 are charged into anhydrous alcohol for homogeneous dilution, finally spraying into homogenizer using high pressure mist.