41results about How to "Not easy to embrittle" patented technology

The invention discloses a method for preparing a foamed ceramic insulation board by a waste glass ceramic wafer, belonging to the field of preparation technology of the foamed ceramic insulation board. The method comprises the steps of: washing the waste glass ceramic wafer with clear water, drying and grinding by ball milling to obtain waste glass ceramic powder with the fineness less than or equal to 100mu m; mixing the waste glass ceramic powder, pulverized fuel ash, furnace slag, coal gangue, ceramic tailings, foaming agent and modifying agent according to the mass ratio of (30-40):(10-15):(5-7):(10-18):(25-35):(1.8-2.2):(1.1-1.5); putting the mixture into a ball grinding mill, carrying out wet grinding and evenly mixing to form mixed slurry; drying by a pressure type spray granulation dryer and putting the dried product into a foaming refractory mould coated with aluminum oxide; heating to 1120-1150 DEG C in a heating furnace; and finally, annealing, cooling and cutting to obtain the foamed ceramic insulation board. The method is low in production cost and simple in technology, and can be used for continuously preparing the porous foamed ceramic insulation board with large size; and the product is good in performances.

The invention discloses a process for manufacturing a wood grain color coated aluminum plate. The process comprises the following steps: carrying out degreasing and passivating pretreatment processes for an aluminum substrate; coating a layer of polyurethane paint on a passive film layer, baking the polyurethane paint in an oven to form a film so as to form base paint, then coating a layer of fluorocarbon resin paint on the base paint, baking the fluorocarbon resin paint in the oven to form a film so as to form primary color paint, and combining the base paint and the primary color paint to form a primary color base paint layer; coating a layer of fluorocarbon resin paint on the primary color base paint layer through a coating roller engraved with wood grains, and baking the fluorocarbon resin paint in the oven to form a firm so as to form a wood grain pattern paint layer; and coating a layer of fluorocarbon resin varnish on the wood grain pattern paint layer, and baking the fluorocarbon resin varnish in the oven to form a film so as to form a transparent protective finishing paint layer. The wood grain color coated aluminum plate manufactured by the process has color and wood floral patterns, is not easy to shed or tender each coating, and has good weather resisting property.

The invention mainly discloses a clean water stone line painted aluminium plate and a manufacturing process thereof. The manufacturing process comprises the following steps: 1, providing continuous aluminum base plates, degreasing and washing before processing, passivating one layer of compact oxidation film as a passivation film layer; 2, painting a base color bottom painting layer so as to ensure that the whole painting painting layer has good adhesive and the base color can be endowed to the whole painting layer; 3, painting clean water stone line pattern painting layer by a pattern roller so as to endow patterns to the whole painting layer; and 4, finally painting a transparent protective surface painting layer so as to protect the color and the clean water stone line patterns of the whole painting layer against being damaged. The invention provides the manufacturing process of the clean water stone line aluminium plate. The clean water stone line painted aluminium plate simultaneously has the color and the clean water stone line patterns, and the painting layers cannot easily drop or embrittle, and have good weather resistance.

The invention relates to the building construction technical field, in particular to a construction method which is suitable for various industrial and civil building walling having the requirement of energy conservation in a large part of China under different climate conditions. The construction method comprises the following steps that: a bonding agent is used for bonding an insulation board on the walling; mortar is coated on the insulation board and a piece of medium-alkali mesh cloth is wrapped in the mortar; and coating is plastered on the mortar, and the insulation board is a foam glass insulation board. The construction method effectively utilizes waste resources, reduces the environmental pollution, improves the utilization rate of energy, not only solves the problems of cracking and hollowing of the building walling but also improves the heat-insulating property, guarantees the elegant appearance of a veneer of the building walling, prevents the occurrence of a fire disaster, and protects the life and property safety of people.

The invention discloses a hydrolysis-resistant PC-ABS alloy which is prepared from the following raw materials in parts by weight: 55-75 parts of PC resin, 10-20 parts of ABS resin, 0.5-2 parts of a random terpolymer, 0.3-1 part of cyclic carbodiimide and 0.05-0.2 part of a coupling agent. The PC-ABS alloy resists high temperature and high humidity, is difficult in hydrolysis, embrittling and pulverization and has better mechanical properties such as bending strength, mechanical shock strength.

The invention discloses a manufacture method for a stone pattern color-coating aluminum plate. The method comprises the process of performing pretreatment processing on the aluminum plate, coating a bottom-layer coating on the surface of the pretreated aluminum plate, baking the bottom-layer coating in an oven so as to form a bottom coating layer; coating a first middle-layer coating on the bottom coating layer, baking the first middle-layer coating in the oven to form a first middle coating; coating a second middle-layer coating on the first middle-layer coating, baking the second middle-layer coating in the oven to form a second middle coating; coating a face-layer coating on the second middle-layer coating, baking the face-layer coating in the oven to form a face coating; finishing coating the stone pattern color coating aluminum plate, and rolling the coated aluminum plate. By means of the method, the stone pattern color-coating aluminum plate is provided with stone patterns, the coatings are coated and are baked by the high temperature oven for multiple times, the coatings are not easy to falling off and embrittlement, is good in adhesive force and performance of gloss, flexibility, impact resistance, weather resistance and the like.

The invention discloses a 6005A aluminum alloy for automobiles and a crash box processing method. The 6005A aluminum alloy for automobiles comprises the following components in percentage by weight: 0.75-0.80% of Si, 0.15-0.20% of Fe, less than or equal to 0.10% of Cu, 0.28-0.30% of Mn, 0.63-0.68% of Mg, 0.06-0.10% of Cr, less than or equal to 0.10% of Zn, less than or equal to 0.10% of Ti and thebalance of Al. The crash box processing method adopts the aluminum alloy. the aluminum alloy is capable of weakening the segregation, at crystal boundaries, of surplus Si, so that embrittlement is not easy to cause and alloy materials are not easy to craze during compression degeneration. The 6005A aluminum alloy crash box prepared by the process satisfies the conditions that the tensile strengthRm is greater than or equal to 280 MPa, the yield strength RP0.2 is greater than or equal to 260 MPa and the elongation percentage A is greater than or equal to 10%; and the crash box is symmetric, uniform in deformation and free of craze at folds during compression degeneration.

The invention discloses a conveying device based on vacuum suction cups. The conveying device comprises a vacuum suction cup assembly and a conveying assembly, wherein the vacuum suction cup assemblycomprises a plurality of vacuum suction cup supporting parts and a suction cup frame; a plurality of fixing holes are distributed in the suction cup frame; the upper ends of the vacuum suction cup supporting parts are detachably connected with the fixing holes; the conveying assembly comprises a horizontal rotary mechanism and a vertical moving mechanism; the horizontal rotary mechanism comprisesa rotary cylinder capable of driving the suction cup frame to circumferentially rotate in the horizontal direction; and the vertical moving mechanism comprises a motor, a lead screw and a sliding block capable of moving along the lead screw vertically, one end of the lead screw is connected with an output shaft of the motor, the other end of the lead screw is connected with the rotary cylinder, and the sliding block is fixedly connected with a connection arm. The conveying device is simple in structure, stable in absorption force, and capable of conveniently and rapidly absorbing and conveyingmaterials and improving the work efficiency.

The invention discloses a composite material for water pipes and a preparation method thereof and relates to the field of water pipe materials. The composite material comprises, by weight, 50-60 partsof polypropylene, 15-20 parts of natural rubber, 10-15 parts of ultrafine calcium carbonate, 8-15 parts of modified bamboo charcoal, 3-7 parts of nanometer zinc oxide, 3-6 parts of N-phenyl maleimide, 5-10 parts of glass fibers, 5-10 parts of graphite powder, 2-5 parts of a plasticizer, 1.5-2.5 parts of an antioxidant, 1-3 parts of a silane coupling agent and 1.8-2.8 parts of a heat stabilizer. Through synergism of water pipe components, the composite material has good corrosion resistance, temperature resistance, anti-aging properties, excellent mechanical shock resistance, high strength andembrittlement resistance.

The invention discloses a photopolymer water transfer printing paper manufacturing method, water transfer printing paper and an application method. The photopolymer water transfer printing paper manufacturing method comprises the steps that a carrier is provided; water-soluble glue is printed on the carrier; a water transfer printing bottom oil layer is printed on the water-soluble glue; a photopolymer layer is printed on the water transfer printing bottom oil layer; and a protective layer is printed on the photopolymer layer to obtain the photopolymer water transfer printing paper. According to the photopolymer water transfer printing paper manufactured through the photopolymer water transfer printing paper manufacturing method, a release film does not need to be used as the carrier and the protective layer, that is, the influence of the expansion rate of an original release film does not need to be considered, a photopolymer can be approximately fused into a whole and fixed to various products to be attached, the application range is large, and after a long time, falling off is not easy to happen; and the surface of the photopolymer is protected by the protective layer, so that wear resistance and corrosion resistance are achieved, pattern information is not easy to damage, and embrittlement is not easy to happy after a long time.

The invention relates to the technical field of rubber materials, in particular to a pressure-proof sealing rubber material for a pneumatic telescopic cylinder of security equipment. The rubber material includes the following components: butadiene-acrylonitrile rubber, modified natural rubber, a thermoplastic elastomer, a pressure resistant filler, a reinforcing agent, trioctyl trimellitate, a coupling agent, an accelerant, sulfur and an antistatic agent, wherein the thermoplastic elastomer comprises one of a SBS elastomer, a SEPS elastomer, a SEBS elastomer and a SIS elastomer; the pressure resistant filler contains nano-silica, nano-silicon carbide, nano-white corundum and nano-zinc oxide; the antistatic agent contains one or a mixture of any of the four lithium salt components of LiClO4, LiAsF6, LiBF4 and LiPF6. The rubber material has excellent gas tightness, good elasticity, outstanding pressure resistance and wear resistance, high cycle number of pressure recovery, and long service life.

The invention discloses a high-polymerization degree polyvinyl chloride (PVC) door/window strip seal. The strip seal comprises the following ingredients in parts by mass: 100 parts of PVC, 40-80 parts of a plasticizer, 40-70 parts of a filler, 4-6 parts of a thermal stabilizer, 0.5-5 parts of a lubricant, 2.5-6 parts of acrylic copolymer (ACR), 0.2-1 part of an ultraviolet light absorber and 1-6 parts of carbon black. The product has a good ultraviolet light absorption effect, can inhibit photoxidation and optical ageing and is hardly embrittled; the strip seal has shore hardness of 55, the tensile strength of 9.5MPa, the elongation at break of 355% and the tear strength of 25KN/m; the strip seal is low in manufacturing cost, is cold-resistant, has the brittle temperature of -35 DEG C, can be widely used and can continuously replace a conventional material.

The invention provides a die of a phenolic piston and a manufacture method of the phenolic piston, and belongs to the technical field of dies, which solves the problem of poor quality of the existing phenolic piston finished product. The die of the phenolic piston comprises an upper die body and a lower die body, wherein a plurality of heating holes are formed in the upper die body and the lower die body, and are used for directly carrying out electric heating. The upper die body and the lower die body are respectively provided with a material stripping piece, so the phenolic piston is prevented from being adhered on the die, and the stripping stability is high. The manufacture method comprises the following steps of punching cakes, heating the die, closing the die and baking, wherein the upper die body and the lower die body are directly heated, after a blank of the phenolic piston is formed, and temperature is maintained by baking, so the internal performance of the phenolic piston is further improved, the strength is higher, and the phenolic piston is not easy to brittle.

The invention relates to a low-temperature-impact-resistant stress-whitening-resistant polypropylene material and a preparation method thereof. The preparation method comprises the following steps: mixing, by weight, 5-10 parts of a tetrafluoroethylene-hexafluoropropylene copolymer and 20-50 parts of polytetrafluoroethylene in a mixer to obtain a mixture A; mixing 100 parts of co-polypropylene (namely an ethylene-propylene copolymer, wherein the melt index of the ethylene-propylene copolymer under the test conditions of 230 DEG C and 2.16 kg is 5-12 g/10 min), 100 parts of homo-polypropylene (with a melt index of 1500-1900 g/10 min under the test conditions of 230 DEG C and 2.16 kg), 100 parts of polyethylene and 10-20 parts of lignin in the mixer to obtain a mixture B; and finally, addingthe mixture A from a first-section cylinder of a double-screw extruder, laterally feeding the mixture B from a sixth-section of the double-screw extruder, and carrying out extrusion granulation to obtain the low-temperature-impact-resistant stress-whitening-resistant polypropylene material. The falling ball stress whitening performance of the finally prepared material is 1.0-1.6 delta L, and notch impact strength at a temperature of 20 DEG C and notch impact strength at a temperature of 40 DEG C are 68-75 J/M and 40-50 J/M respectively. The method is simple and easy to implement, and the prepared material is excellent in performance and wide in application prospects.