114results about How to "Product quality is light" patented technology

The invention belongs to the technical field of high polymer materials, and discloses low coefficient of thermal expansion thermoplastic resin composition, a preparation method and application of the low coefficient of thermal expansion thermoplastic resin composition. The resin composition is composed of, by weight, 340 to 900 parts of thermoplastic resin, 100 to 500 parts of carbon fibers, 0 to 5 parts of antioxygen, 0 to 5 parts of lubricating agent and 0 to 150 parts of flexibilizer. The preparation method comprises adding the 340 to 900 parts of the thermoplastic resin, the 0 to 5 parts of the antioxygen, 0 to 5 parts of the lubricating agent and the 0 to 150 parts of the flexibilizer to a high mixing machine to mix for 1 to 30 min, adding the mixture to a double-screw extruder, adding the 100 to 500 parts of the carbon fibers from the glass fiber feeding port or the side feeding port of the double-screw extruder to mix evenly, and carrying out extruding, dragging and prilling on mixed materials in the double-screw extruder to obtain the low coefficient of thermal expansion thermoplastic resin composition. The use of the low coefficient of thermal expansion thermoplastic resin composition applied to the fittings of a metal piece is provided. The thermoplastic resin is high in flexural modulus, tensile strength and impact strength, and low in linear expansion coefficient.

The invention discloses an environment-friendly plastic metalizing decoration process and belongs to the field of plastic decoration. The method comprises the following steps: a, cleaning a molded plastic part; b, coating primer, wherein the plastic part is coated with acrylate UV (ultraviolet) primer and then cured so that the uneven surface of a base material is flattened with the primer; c, coating a film in vacuum, wherein the plastic part is put into a vacuum film coating cavity of vacuum film coating equipment, the vacuum degree of the vacuum film coating cavity is controlled to be between 10<-2> and 10<-3>Pa, and performing vacuum continuous film coating after plasma dust collection; d, coating protective paint, wherein the plastic part is coated with the acrylate UV protective paint which is matched with the UV primer and then cured to form a paint film with a certain hardness; and e, pasting a film on the plastic part, and packaging the plastic part. The environment-friendly plastic metalizing decoration process produces less waste gas and waste water, is more environment-friendly than a conventional metalizing process; and the product has light weight, the appearance design of the product is free, and the individual requirement of consumers can be met.

The invention relates to the field of shoe material manufacturing, and provides ultralight rubber foam colloid particles. The ultralight rubber foam colloid particles are prepared from, by weight, 20-40 parts of CPE-CM (chlorinated polyethylene), 12-18 parts of POE (polyolefin elastomers), 6.4-9.6 parts of EPDM (ethylene-propylene-diene monomer), 9.6-14.4 parts of EVA (ethylene vinyl acetate), 8-12 parts of natural rubber or isoprene rubber, 5.6-8.4 parts of filler, 0.24-0.36 part of stearic acid, 0.48-0.72 part of zinc stearate, 0.48-0.72 part of a DCP cross-linking agent, 0.64-0.96 part of zinc oxide, 0.96-1.44 parts of an AC foaming agent and 1.6-2.4 parts of a wear-resistant agent. Accordingly, the problems that an existing shoe material is poor in flexibility, fold resistance, anti-skid property and wear resistance, large in weight and like are solved.

The invention relates to a manufacture method for stalk-polystyrene compounding warming plate that includes the following steps: insolating the corn stalk, drying to make the water content below 5%, smashing the corn stalk to 5-10mm, mixing with polystyrene raw material according to weight ratio of 15-30:1, adding the mixture into plate mould, adding 100 degree centigrade vapor into mould to make polystyrene foaming, the light construction energy saving plate.

The invention relates to a concrete beam composite sidewalk which is a novel sidewalk with reinforced concrete and pre-stressed concrete T-shaped beams and plate-type beams for the railway and road. The invention especially relates to a concrete beam sidewalk which adopts the main components made from fiber reinforced composites and fully utilizes the advantages of all the components of the composite material. The concrete beam composite sidewalk comprises standard modules and beam end modules, wherein the beam end modules are located at the two ends of a concrete beam; a plurality of standard modules are arranged between the beam end modules at the two ends; the concrete beam composite sidewalk further comprises a beam end refuge platform module; the beam end refuge platform module instead of one beam end module is arranged at one end of the concrete beam. The concrete beam composite sidewalk can reduce the second phase dead load of the bridge, can increase the bearing capacity of the bridge and can reduce the maintenance cost of the deck ancillary facilities.

The invention discloses a polyvinyl chloride floorboard substrate and a preparation method thereof, belonging to the technical field of polyvinyl chloride boards. The polyvinyl chloride floorboard substrate solves the problems of high cost and poor quality in the existing product. The polyvinyl chloride floorboard substrate is prepared from 80-100 parts of polyvinyl chloride SG8 resin, 100-120 parts of heavy calcium carbonate, 50 parts of floorboard substrate moldboard reclaimed material, 7-8 parts of foaming regulator 903, 2-3 parts of foaming regulator 902, 2.8-4.9 parts of composite stabilizer, 0.6-1.2 parts of internal lubricant ZB-60, 0.35-0.7 part of polyethylene (PE) wax, 0.2-0.5 part of AP, 0.5-0.8 part of plasticizer OA3, 0.3-0.4 part of heat-release AC (azodicarbonamide) foaming agent, 1.4-1.6 parts of heat-absorption Zhongkai c-2 foaming agent, 2-5 parts of ferrite yellow powder and 2-4 parts of CPE (chlorinated polyethylene). The preparation method comprises the following steps: mixing, plastifying and foaming, and extruding to obtain the finished product. The product can be widely used in office buildings, shopping malls, schools, gymnasia, hospitals and other locations.

The invention discloses a color steel tile with a graphite coating and a preparation method thereof. The color steel tile comprises a base plate located in a middle layer, and the two sides of the base plate are coated with coatings formed by graphite slurry. The graphite slurry is made of, by weight parts, 50-200 parts of fine flake graphite micro powder, 40-160 parts of cashew-nut oil modified phenolic resin or epoxy resin, 10-50 parts of polyvinyl acetal, 40-160 parts of alcohol, 2-10 parts of coupling agent, 2-10 parts of defoamer, 1-10 parts of plasticizer and 2-10 parts of liquid acrylonitrile butadiene rubber. The service life of the obtained color steel tile with the graphite coating can be greatly prolonged, problems that a conventional resin tile ages easily and is low in strength toughness and not resistant to flame and the like are solved; a problem that a conventional color steel tile is heavy in weight and difficult to install is solved; indoor and outdoor heat exchange rate can also be effectively increased, and a problem of high-temperature poor working environments of conventional color steel tile plants is solved; and a problem that at present, on the market the fine flake graphite is massively accumulated and is low in additional value is solved.

A high-crystal, light and high-strength gauge stuff ceiling is prepared through the following steps that firstly, a stirring solution is prepared, namely, a polyving akohol solution, the copolymer emulsion of polyvinyl acetate and ethylene, a water reducer, a water-proofing agent, a retarder and a defoaming agent are mixed with water and stirred evenly; secondly, mixed powder is prepared, namely gypsum powder and white cement are evenly mixed; thirdly, gypsum pulp is prepared, namely the mixed powder is poured in a barrel containing the stirring solution, short-cut glass fiber filaments are added during stirring, and even stirring is performed; fourthly, pouring molding is carried out, namely the gypsum pulp is poured in a PVC mold for bottoming, leveling and bottom shielding, and glass fiber gridding cloth and glass fiber bars are placed, wherein the glass fiber bars are placed close to the edge of an inner cavity of the PVC mold, residual pulp is poured in the PVC mold and ironed through a mud plate, a PVC cover plate is placed during knocking, and the periphery is compacted; and after the residual pulp is finally set, the high-crystal, light and high-strength gauge stuff ceiling is obtained through maintaining, drying and surface processing. The high-crystal, light and high-strength gauge stuff ceiling has the beneficial effects of being light in weight, low in transporting and installing cost, high in safety coefficient and the like.

The invention discloses a thermal-insulating composite building coating for an external wall and a preparation method of the coating. The coating is prepared from components in parts by mass as follows: 40-50 parts of expanded perlite, 8-12 parts of aragonite sand powder, 8-12 parts of liquid sodium silicate, 2-4 parts of liquid potassium silicate, 3-7 parts of silica sol, 3-7 parts of deionized water, 2-4 parts of liquid lithium silicate, 3-7 parts of inorganic acid, 3-5 parts of an expanding agent, 8-12 parts of plant fiber powder and 8-12 parts of water. The thermal-insulating composite building coating for the external wall has the characteristics of low preparation cost, good effect and environment friendliness; tests show that the thermal conduction coefficient of the composite coating is 0.117 W/(m*K), and the density is 700-800 kg/m<3>. The coating is suitable for external thermal-insulation plastering engineering and internal thermal-insulation plastering engineering of walls, built by using reinforced concrete, aerated concrete, laid bricks, sintered bricks, non-sintered bricks and the like, of multistory and high-rise buildings and is also suitable for thermal-insulation improvement engineering of various old buildings currently.

The invention discloses a production method of paper mill sludge landscape ornamental material, which is characterized by comprising the following raw materials according to parts by weight: 30 to 40 parts of paper mill sludge, 30 to 40 parts of epoxy resin leftover, 10 to 20 parts of reinforcing material, 5 to 7 of plant foaming granules, 3 to 5 of triethylenediamine and 3 to 5 parts of calcium peroxide. The production method comprises the following five steps of: first, preparing material; second, mixing; third, moulding and heat pressing; fourth, stacking and curing; and fifth, surface treatment. The prepared plank material is particularly applicable to be used as a flower bed boarding of the landscape area, is beautiful and elegant, and has low cost and water resistance and appropriate strength. The landscape ornamental plate is produced by the method, thus making waste profitable, not only solving the environmental problem, but also solving the problem of material for producing the artificial board; and the plank material has lighter weight and low energy dissipation in production.

The invention discloses a manufacturing technology of a component for building decoration. The technology comprises following steps: a mold is made of a mold material according to design drawing requirements or models; a release agent is uniformly sprayed to inside of the mold, then cement, fine sand and water are mixed and stirred, and surface mortar is obtained and uniformly sprayed to the innersurface of the mold; cement, rock sand, water and alkali-resistant glass fibers are sufficiently continuously stirred and mixed, and cement and glass fiber slurry is obtained; a steel reinforcement framework is mounted in the corresponding position in the mold, an embedded part is embedded in the mold, and the cement and glass fiber slurry is poured into the mold; when the cement and glass fiberslurry is set to 70%-80%, mold release treatment is performed, and water sprinkling maintenance is performed to obtain the component. The technological process is mature and simple, the processing issimple and easy, and the component for the building decoration is low in cost and high in sculpturing property and can be applied to various landscape sculptures for factory mass production of the building decoration, and the prepared component for building exterior wall decoration can be used for exterior walls of various buildings to imitate European classical architecture.

The invention discloses multicomponent damping composite noise-absorbing cotton and a preparation method thereof, and belongs to the field of processing of damping and noise-absorbing materials. The multicomponent damping composite noise-absorbing cotton takes ES fiber, PET fiber and magnetic hollow polyester staple fiber as raw materials, meanwhile, low-melting point dacron thermofuse is added, meanwhile, the technologies of lapping, water-jetting, drying and sizing, and modification of hollow polyester staple fiber through an additional magnetic field and ultrasonic assistance are adopted, the whole preparation process utilizes the self performance of the materials to prepare the multicomponent damping composite noise-absorbing cotton, application of chemical reagents is reduced, the VOCcontent of the prepared product is lowered, the product is environmentally friendly and healthy, and meanwhile, the quantum effect of the magnetic hollow polyester stapler fiber nano Fe2O3 is beneficial for improving the fiber strength and the shield and absorption to acoustic waves.

The invention discloses a polyurethane composite plate, which comprises a polyurethane plate, phenolic resin and a non-woven fabric, wherein the phenolic resin is compounded between the polyurethane plate and the non-woven fabric. The polyurethane composite plate has good thermal insulation and sound insulation effects without dust pollution; a great amount of adhesive is not required to be added in the preparation process, so thick odor in the pressing process is avoided; and the product is light.

The present invention relates to a double-deck steel mesh mineral cotton perlite sandwich compound light wallboard; an upper cover coat and a lower cover coat are both double-deck steel meshes; a middle sandwich layer consists of a perlite lath, a mineral cotton lath and a perlite lath which are compounded; the compound middle sandwich layer is clamped and fixedly connected to form a grid sandwich board through the double-deck steel meshes of the upper cover coat and the lower cover coat. The invention has light volume weight, heat preservation, heat insulation, shock resistance, good sound absorption effect, non-toxicity and non-radioactivity, firmness, wear resistance, non-cracking and energy-saving and consumption-reducing performance, thereby the invention is an ideal fireproof and environment-friendly building material.