54results about How to "Anti-cracking" patented technology

The invention relates to energy-saving leveling putty powder, which is characterized by being prepared from the following raw materials in percentage by weight: 20 to 30 percent of white cement, 5 to 10 percent of gray calcium powder, 40 to 60 percent of heavy calcium carbonate powder, 5 to 15 percent of 50 to 100-mesh light sand, 0.1 to 1 percent of reinforcing fiber, 0.1 to 1.5 percent of polyvinyl alcohol, 0.1 to 1.8 percent of cellulose and 1 to 3 percent of polymer powder, wherein the light sand is polyphenyl particles, vitrified micro bubbles or expanded perlite; the reinforcing fiber is 2-mm polypropylene fiber; and the cellulose is carboxymethyl cellulose. The energy-saving leveling putty powder has the characteristics of high strength, high water resistance, no toxicity or odor, yellowing resistance and the like; moreover, by adding the light sand with heat preservation and thermal insulation function, the putty powder has the obvious characteristics of light weight, heat preservation, high thermal insulation, abrasion resistance, corrosion resistance, high electric insulating performance, radiation protection and the like, while the basic performance is ensured.

The invention relates to a second-generation identity card authentication system with fingerprint characteristics, comprising a second-generation identity card reader and a fingerprint collector, wherein the second-generation identity card reader comprises a countries close fingerprint processing model and a special information decrypting model. The fingerprint collector is connected with the countries close fingerprint processing model by virtue of a fingerprint collecting program. The identity data in the second-generation identity card is transmitted to the special information decrypting model in the second-generation identity card reader by virtue of a card brush program. The special information decrypting model is connected with an application end, and further connected with the countries close fingerprint processing model. The second-generation identity card authentication system with the fingerprint characteristics comprises the beneficial effects that the fingerprint model does not directly communicate with an upper computer or other outer devices, so the second-generation identity card authentication system can be operated without computer and internet, prevents the virus or malicious software of computer terminals from attacking, intercepting, copying and transmitting the fingerprint information outside, has good compatibility, and adopts multiple countries close algorithms and international stand algorithms to implement the auxiliary encryption.

The invention discloses an environment-friendly fireproof sealing gypsum, which comprises the following components in percentage by weight: 0.2 to 8 percent of non-metallic mineral fireproof material, 0.1 to 5 percent of modifier, 0.01 to 0.8 percent of water retention thickening agent, 0.01 to 0.2 percent of bonding agent, 0.01 to 0.5 percent of retarder, 0.1 to 2 percent of intensifier, and the balance of construction gypsum. Because the non-metallic mineral fireproof materials such as mica powder or vermiculite and the like are added, and the modifier, the intensifier and the like are also added, the environment-friendly fireproof sealing gypsum can ensure the basic performances of the sealing gypsum and simultaneously has the characteristics of fire resistance, crack resistance, environmental protection, no toxin, no irritation, and the like.

The invention discloses a mutual assistance type lock system adopting an asymmetric encryption technology and a control method of the mutual assistance type lock system. The mutual assistance type lock system comprises a key generation device, a control panel, a key input device and one or more electromechanical locks, wherein the key generation device generates a locking key and an unlocking key in pairs; the control panel comprises a CPU (central processing unit) controller and an affiliated storage device thereof; the output end of the key input device is connected with the CPU controller; the CPU controller controls the electromechanical locks to be locked or unlocked; the electromechanical locks are arranged on various openable doors. According to the brand-new lock system provided by the invention, a set of lock can be locked and unlocked by one or more groups of different keys in pairs; in a pair of keys, one key is used for locking while the other key is used for unlocking, and a group comprises the two keys which are used in pairs; representation and carrier forms of the keys can be but not limited to cipher texts, bi-dimensional codes, keys, magnetic cards, IC (integrated circuit) cards and the like. By the flexible adoption of an asymmetric encryption algorithm, the mutual assistance type lock system has the characteristics of credibility, cracking prevention, repudiation prevention and the like and is safe and reliable.

The invention relates to the technical field of building materials and in particular relates to novel anti-slipping floor tiles and a preparation method of the novel anti-slipping floor tiles. The novel anti-slipping floor tiles are prepared from the following raw materials in parts by weight: 20 to 30 parts of granite, 12 to 18 parts of marble, 25 to 35 parts of clay, 20 to 40 parts of cement, 10 to 20 parts of coal gangue, 8 to 12 parts of expanded perlite, 12 to 18 parts of expanded bentonite, 6 to 9 parts of a water reducing agent, 8 to 14 parts of a thickener, 18 to 22 parts of an anti-slipping agent and a number of water. The floor tiles provided by the invention are firm and durable, have no toxin or harms, are natural and environmentally friendly, and also have an anti-cracking effect; the floor tiles are not easy to damage, the product quality is stable and the production cost is greatly reduced; under the condition of guaranteeing great demanding on the floor tiles by a building industry, the prepared floor tiles have a relatively high anti-slipping property and the anti-slipping property is greatly improved; the safety of working places and public places is guaranteed and the occurrence rate of slipping accidents is reduced.

The invention discloses a waterproof flexible material for an external insulating wall space. The material is prepared from the following raw materials in parts by weight: 235-245 parts of silicate cement, 568-570 parts of sand, 14-152 parts of ground calcium carbonate powder, 18-22 parts of redispersible rubber powder 5044N, 14.5-15.5 parts of redispersible rubber powder 8034H, 1.8-2.2 parts of cellulose ether, 2.7-3.4 parts of wood fibers and 0.8-1.2 parts of an organosilicone water repellent. The waterproof flexible material for the external insulating wall space disclosed by the invention not only has extremely high water resistance and caking property, but also has the advantages of high-low temperature change resistance, crack resistance and the like, solves the problem that existing external wall putty powder is relatively poor in weather resistance, is free of phenomena of hollowing, peeling, cracking and falling if encountering with water and being moisturized, is extremely high in waterproofness, green and environment-friendly, good in flexibility, difficult to pulverize, is fine and smooth in surface texture if being scraped, and is safe and environment-friendly and long in service life.

The embodiment of the invention discloses an encryption method, device and equipment based on features of information and a storage medium, and the method comprises the steps: obtaining a target function for describing information, and the feature information of to-be-processed target information; dividing the target information according to the feature information of the target information to obtain at least two pieces of sub-information; obtaining coordinate information corresponding to each piece of sub-information in the at least two pieces of sub-information according to the target function; encrypting the coordinate information of each piece of sub-information in the at least two pieces of sub-information to obtain a ciphertext of the coordinate information corresponding to each piece of sub-information; and determining the ciphertext of the coordinate information corresponding to each piece of sub-information as the ciphertext of the target information, and storing the ciphertext of the target information in a blockchain network. By adopting the method, the security of the target information can be improved, the method is suitable for the field of smart medical treatment, and the construction of smart cities can be further promoted.

The invention discloses a preparation method of a modified inorganic penetrant polystyrene insulation board. The method comprises the following steps: 1, pretreating and foaming a polystyrene insulation board; 2, preparing inorganic penetrant slurry; 3, penetrating the pre-foamed polystyrene insulation board with the inorganic slurry; 4, airing or drying the polystyrene insulation board. By addingpart of calcium oxide to replace part of magnesium oxide, cost is saved and product stability is improved; by means of an added silicone water repellent, waterproof performance of the product can reach 100%, low-alkali glass fiber is taken as a grid structure, combined with vitrified glass beads and applied to the insulation board, thereby being capable of serving as a grid structure of the insulation board and an insulation fireproof layer, and the polystyrene insulation board has the characteristics of being anticorrosive, high in strength, waterproof, anti-radiation, insulating, light in weight, anticracking, stable in size, prolonged in service life and easy to construct. Compatibility between the inorganic penetrant slurry and polystyrene is improved by added acrylate, and penetranteffect is improved.

The invention provides a steel wire gauze reinforced PVC transparent hose composition and a preparation process and application thereof, and belongs to the field of processing and application of highpolymer materials. The steel wire gauze reinforced PVC transparent hose composition is characterized by comprising the following components in parts by weight: 100 parts of high-polymerization-degreePVC resin, 100-110 parts of a composite plasticizer, 4.0-5.0 parts of a liquid calcium/zinc stabilizer, 0.20-0.30 part of lubricating agent stearic acid 1801, 0.20-0.30 part of an antioxidant 1010 and0.20-0.30 part of an antioxidant DLTP. The preparation process has the following steps: feeding blended materials into a double-screw extruder and extruding and granulating to obtain a steel wire gauze reinforced PVC transparent hose composition; and applying the composition to a steel wire wound PVC hose by a co-extrusion process to obtain a steel wire wound reinforced PVC transparent hose resisting the low temperature of minus 40 DEG C. The steel wire gauze reinforced PVC transparent hose prepared from the composition has the advantages of good flexibility even if the hose is used for a long time in an environment at the temperature of minus 40 DEG C, and the hose is good in gasoline extraction property, good in cracking resistance and long in service life.

The invention discloses a production technology of a super stain-resistant waterborne compound coating, and relates to the technical field of production of a coating for a building wall. The production technology comprises the following steps: firstly, mixing and grinding styrene-acrylic emulsion, an assistant, nano TiO2, SiO2, negative ion powder, cellulose and water; adding a part of AS881 ultra-fine aluminum silicate; adding an inorganic antibacterial and anti-enzyme agent after grinding; adding a filler and another part of AS881 ultra-fine aluminum silicate after mixing; and evenly mixing to form the waterborne compound coating. By adopting the production technology, the problems of unsound coating structure and poor hydrophobicity of the coating structure are avoided; the puzzle of poor stain resistance of the coating is solved; the production technology also has the characteristics of being good in resistance to washing, small in hygroscopicity and good in stain resistance; the coating cost is reduced; the super stain-resistant waterborne compound coating is the coating for inner and outer walls of a building, which is good in super stain resistance, crazing resistance and hydrophobicity, good in ceramic imitating property, and high in hiding rate.

The invention discloses a feeding adjustable locking device for a biomass forming fuel boiler. The feeding adjustable locking device comprises an oblique overturning plate and a gravity hammer. The overturning plate is connected to the lower end of a blanking pipe in a covering mode and connected to the side portion of the lower end of the blanking pipe through a hinge, and a section of cantileverrod extends out of the connecting end of the overturning plate. The end of the cantilever rod is connected with the gravity hammer. A force adjusting device is installed on the cantilever rod. According to the feeding adjustable locking device for the biomass forming fuel boiler, the force adjusting device is arranged, the torque of the connecting end of the gravity hammer can be adjusted, thus,weight adjusting can be achieved when different biomass fuels are fed, the application range is greatly enlarged, and the equipment transformation cost is reduced.

The invention discloses a high-strength scratch-resisting fireproof veneer. The high-strength scratch-resisting fireproof veneer aims to solve the problems that in the prior art, a great number of veneers used in building materials are easy to crack, crimp and scratch, and the like. The high-strength scratch-resisting fireproof veneer comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer is made of special-grade solid-wood fireproof single boards or E1-grade fireproof high-density boards, the middle layer is made of melamine impregnated paper, and the surface layer is made of aluminum oxide; the high-strength scratch-resisting fireproof veneer is manufactured in the cold-hot-cold hot-pressing process, the temperature of a hot press ranges from 50 DEG C to 135 DEG C, the time range from 2 minutes to 5 minutes, and the pressure ranges from 13mpa to 15mpa. The high-strength scratch-resisting fireproof veneer has the advantages of preventing cracking and crimping, resisting to deformation and scratch, and preventing fire.

The invention relates to the technical field of building designing, in particular to a concave curved-roof-surface waterproof structure and a construction technology thereof. The concave curved-roof-surface waterproof structure comprises a waterproof structure body, a concrete layer is arranged at the bottom of the waterproof structure body, a waterproof layer is connected to the top face of the concrete layer, a heat preservation layer is arranged on the top face of the waterproof layer, a rigid waterproof layer is arranged on the top face of the heat preservation layer, and a house decorating layer is connected to the top face of the rigid waterproof layer. The construction technology of the waterproof structure body includes the following steps that steel is rolled, a steel frame is placed, concrete is poured, the top face of the concrete is poured into a concave curved structure after fine building, the waterproof layer is laid, the heat preservation layer is sprayed, concrete is poured, and the decorating layer is laid. According to the concave curved-roof-surface waterproof structure and the construction technology thereof, the waterproof layer is directly arranged on the concrete structure layer, construction is simple, the construction procedure is simple, and the waterproof effect of the curved roof surface is good.

The invention relates to anti-freezing anti-cracking anti-leaking mortar for inner and outer wall plastering, and belongs to the field of building materials. The anti-freezing anti-cracking anti-leaking mortar is characterized by being prepared from, by weight, 20-30 parts of cement, 50-65 parts of medium-fine sand, 1.0-2.0 parts of a waterproof agent, 0.1-0.3 part of tributyl phosphate, 0.1-0.3 part of triethanolamine, 0.3-1.5 parts of high-strength high-modulus polyvinyl alcohol fibers, 3.0-6.5 parts of 108 an adhesive, 0.1-1.4 parts of an anti-freezing agent and 10-15 parts of water. Compared with the prior art, the anti-freezing anti-cracking anti-leaking mortar has the advantages that the binding power between the mortar and a building basement layer can be greatly increased, the advantages of being high in viscosity, capable of resisting cracking and leaking and the like are achieved, and the problems of wall leaking and mildewing caused by a wall material or improper construction can be effectively solved.