49results about How to "Easy to use and environmentally friendly" patented technology

The invention provides preparation of an anionic modified nature macromolecule polymer flocculant, and belongs to the technical field of macromolecules, particularly to the technical field of starch grafting copolymer preparation. The preparation comprises: carrying out thermal insulation gelatinization on modified starch prepared from starch, water and epichlorohydrin in distilled water, and then adding a solid acrylamide; adding an initiator to initiate a polymerization reaction to obtain a grafting copolymer crude product; and purifying, adding NaOH and CS2, and carrying out water bath until the color becomes orange. The nionic modified nature macromolecule polymer flocculant has characteristics of high grafting rate, high conversion rate, less use amount and good effect. Compared with the pure anionic polyacrylamide, the anionic modified nature macromolecule polymer flocculant has the following characteristics that: characteristics of low project cost, easy use and environmental protection are provided, and the heavy metal ion removal rate is more than 98%.

The invention discloses a supermarket self-help settlement scanning system which comprises shopping carts, a third party payment system, a mobile terminal, a security and protection staff terminal anda supermarket management server. A shopping cart two-dimensional code identity tag is arranged on each shopping cart and connected with a shopping cart management server, a radio frequency settlementdevice is further arranged in each shopping cart, and the radio frequency settlement device, the third party payment system, the mobile terminal and the security and protection staff terminal are connected with the supermarket management server. The supermarket self-help settlement scanning system solves the problems that an existing supermarket settlement system is low in settlement efficiency,a queuing channel is easily jammed, and some people flee without paying in self-help settlement.

The invention discloses acrylic acid pressure-sensitive adhesive and a method for preparing the same. The acrylic acid pressure-sensitive adhesive comprises, by weight, 45-90 parts of soft monomers, 1-40 parts of hard monomers, 0.1-5% of functional monomers, 0.1-2 parts of initiators, 2-5 parts of tackifiers, 1-5 parts of organosilicon polymers, 0.1-2 parts of curing agents and 40-60 parts of solvents. The acrylic acid pressure-sensitive adhesive and the method have the advantages that body paper for the acrylic acid pressure-sensitive adhesive can be omitted, accordingly, the acrylic acid pressure-sensitive adhesive is convenient to use and is environmentally friendly, and the cost can be saved.

The invention discloses automatic electromagnetic pancake production equipment, and belongs to the field of automatic production equipment of pancakes. The automatic electromagnetic pancake production equipment is characterized by comprising the following parts: a metal pancake making plate, a rotary-plate rotating power device, an electromagnetic heating device, a batter distributing device, a uniform scraping device and a pancake dishing-off device. The electromagnetic heating mode is utilized to replace conventional gas or coal combustion heating so as to ensure more uniform heating; thus, no artificial heat control is required, and the use of the equipment is convenient and environmentally friendly. After performing of a large amount of experience summarization and equipment operation experiments, the inventor has come to the conclusion that only scientific technical parameters can ensure perfect match of the batter distributing step, the uniform scraping step and the pancake dishing-off step during the production processes of the pancakes so as to ensure that the shaped pancakes are thin and not cracked, as well as wholly cooked. Tests have proven that the qualified rates of the pancakes produced by the equipment are up to 95% or higher.

The invention discloses an acrylate adhesive, a protective film tape employing the acrylate adhesive, and a preparation method of the acrylate adhesive. The acrylate adhesive comprises the following components in parts by weight: 100 parts of acrylate adhesive, 1.0-5.0 parts of isocyanate hardener and 0.01-0.5 part of metal catalyst, wherein the acrylate adhesive is an acrylate polymer, which is a polymer formed by taking a monomer at least containing an acrylate group in a molecule as a main composition monomer; the weight-average molecular weight (a) of the acrylate polymer is 5,000-500,000; the protective film tape comprises a basic material and an adhesive layer coated on one surface of the basic material; and no release layers are formed on the two surfaces of the basic material. The adhesive is high in hardening speed; the tape prepared with the adhesive can be directly wound from the rear surface without being coated with a layer of release film or release paper; the rear surface of the tape does not need to be coated with a release coating, the release film or the release paper; the problem that the conventional protective film needs to use the release film or the release paper is effectively solved; and the adhesive is convenient to use, environment-friendly and simple in production process, lowers the production cost and the resource consumption of the protective film tape, and is convenient for industrial production.

The invention discloses a scanning payment method capable of automatic induction, comprising the following steps: establishing an identity identification two-dimensional code label for each shopping cart in a supermarket, and installing a radio frequency scanning device in each shopping cart; When driving, the radio frequency scanning device automatically scans the electronic tags on the commodities, and calculates the commodity settlement amount according to the electronic tag information, and then uploads the commodity settlement amount and commodity information to the supermarket settlement server through the wireless network; the supermarket settlement server will upload the commodity settlement amount and The shopping cart corresponding to the radio frequency scanning device of commodity information is matched with the received shopping cart identity information, and after the matching is successful, the commodity settlement amount corresponding to the shopping cart is transmitted to the mobile terminal, and the mobile terminal completes the payment through the third-party payment system. The invention solves the problems of low settlement efficiency and easy congestion of queuing channels in the existing supermarket settlement system.

The invention relates to an electric lifting compression cabinet. The electric lifting compression cabinet comprises a cabinet body, a cabinet door, cabinet walls, a cabinet bottom, lifting guide rails, lifting arms, rotary screw rods, pressing plates, a motor and a switch controller. The cabinet walls on two sides and the cabinet bottom are of a hollow structure, the left lifting guide rails and the right lifting guide rails are installed on the cabinet walls on the two sides respectively, the lifting arms corresponding to the lifting guide rails are installed on the cabinet walls on the two sides and connected with clamping grooves in the lifting guide rails through the rotary screw rods, the motor is located in the cabinet bottom and connected with the rotary screw rods in the lifting arms and the switch controller outside the cabinet body through wires, and the motor rotates so as to drive the rotary screw rods to drive the pressing plates to lift vertically in the lifting guide rails, so that the compression function is achieved. The electric lifting compression cabinet has the advantages that a traditional vacuum compression bag is replaced, quilts or clothes occupying space are directly and effectively compressed and stored in the cabinet, and use convenience and environment friendliness are achieved.

The invention discloses an indoor formaldehyde concentration distribution and monitoring system. The system comprises an environment simulation system, a formaldehyde monitoring module, a gateway anda data processor; the node monitoring module is used for monitoring indoor temperature, humidity and airflow flowing data, and transmitting the data to a server; the server performs simulation according to the actual physical model of the house through built-in Airpak software, therefore, the indoor speed vector and the air age are analyzed for obtaining the gas flow concentration distribution; based on the gas flow concentration distribution, the formaldehyde concentration distribution is judged; a user can conveniently and directionally arrange monitoring points at a simulation position withrelatively high formaldehyde concentration; the number of monitoring points is reduced, the monitoring efficiency and accuracy are improved, the formaldehyde sensor can be controlled to be turned onand turned off according to an Airpak software simulation result through the effect of the control switch, energy consumption and contact cost are reduced, and use is more convenient and environmentally friendly.

The invention discloses silk-screen environmental-friendly watercolor ink which comprises the following main components: packing, glycerin, aqueous acrylic resin, aqueous color paste, deionized water, a leveling agent, a defoaming agent and a moistening agent. By adopting the silk-screen environmental-friendly watercolor ink, various color blocks and color points of high color concentration can be printed on common paper in a silk-screen mode, the color blocks and the color points can be rapidly dissolved with water, and watercolor pictures of various colors and patterns can be made of the silk-screen environmental-friendly watercolor ink with a watercolor pen. Pages of various children creative watercolor books printed with the ink have a function of a palette, so that no extra pigment palette is needed, and the silk-screen environmental-friendly watercolor ink is convenient and environmental-friendly to use.

The invention discloses a fireproof coating for a steel structure, and belongs to the technical field of fireproof coatings. The fireproof coating comprises the following components in parts by weight: 30-50 parts of base material resin, 15-20 parts of a dehydration catalyst, 5-10 parts of a carbonizing agent, 6-10 parts of a foaming agent, 5-10 parts of a phosphate group-containing flame retardant, 3-8 parts of carboxymethyl cellulose, 3-5 parts of aluminum hydroxide, 1-2 parts of carbon nanotubes, 1-2 parts of basalt fibers and 10-15 parts of water. The invention further provides a preparation method and application of the fireproof coating for the steel structure. According to the fireproof coating for the steel structure, the strength and the fire resistance limit of an expanded carbonlayer are improved by adding the carbon nanotubes and the basalt fibers on the basis of the expanded fireproof coating. Meanwhile, the phosphate group-containing flame retardant and the inorganic flame retardant aluminum hydroxide are added, so that the fireproof performance can be effectively improved.

The invention discloses a beer bottle opener which comprises a handle. A magnet is arranged beside the opening end connected with the handle. According to the beer bottle opener, the magnet is arranged at the opening end so that when a bottle cap is opened by using the opening end of the beer bottle opener, the bottle cap can be attracted to the magnet, and the beer bottle opener is environment-friendly and convenient to use.

The invention relates to a sticky trapping type mosquito killer. The sticky trapping type mosquito killer comprises a bracket, a rolling shaft, a glue box, a glue scraping plate, a mosquito luring lamp tube, a receiving box, a motor and an electric appliance element assembly, wherein the rolling shaft is transversely arranged in the bracket; the glue box is arranged at the upper part of the bracket; a glue falling groove is formed in the bottom surface of the glue box, and glue left from the glue falling groove is applied to the surface of the rolling shaft by coating; the mosquito luring lamp tube is arranged on the bracket or outside the glue box; the receiving box is arranged in the bottom of the bracket; the motor is in driving connection with the rolling shaft; the electric appliance element assembly is electrically connected with the mosquito luring lamp tube and the motor. After the rolling shaft which slowly rolls is coated with the glue automatically, the glue on the rolling shaft is used for sticking the mosquitoes lured by the mosquito luring light, and the glue stuck with the mosquitoes is scraped by the glue scraping plate and is collected by the receiving box, so that the effect of killing the mosquitoes is achieved; and therefore, the situations that the environment is polluted, the use cost is high and the use is inconvenient due to the fact that the mosquito sticking paper is replaced are avoided.

The invention creatively provides a multifunctional flashlight control system with an alarm function. The multifunctional flashlight control system comprises a single chip microcomputer control unit, an LED illuminating module, a self-defense shock module, an alarm module, a GPS positioning module, an MP3 module, a solar battery module and a power module, wherein the single chip microcomputer control unit is connected with the LED illuminating module, the self-defense shock module, the alarm module, the GPS positioning module, the MP3 module, the solar battery module and the power module respectively; the alarm module is also connected with a wireless transmission module; the MP3 module is also connected with a radio receiver module; and the power module is also connected with the USB charging module, the battery module and the solar battery module respectively. The multifunctional flashlight control system has the beneficial effects that the multifunctional flashlight control system not only has a basic temporary illuminating function, but also has masher-preventing, self-defense and remote alarm functions, and is convenient to use, high in safety, environment-friendly and environment-friendly.

The invention discloses a polishing agent for a new energy automobile surface and a preparation method thereof. The polishing agent for the new energy automobile surface is prepared from the followingraw materials in parts by weight: 15 to 35 parts of aminotriacetic acid disodium salt, 10 to 14 parts of vegetable oil, 16 to 20 parts of hydroxypropyl methylcellulose, 5 to 17 parts of organic poly-tricarboxylic acid, 8 to 12 parts of water-soluble polyamine, 6 to 10 parts of high-molecular polymer latex, 2 to 4 parts of hydrochloric acid, 1 to 3 parts of cationic surface active agent, 7 to 11 parts of sodium stearate, 15 to 19 parts of hydrogen peroxide, 5 to 9 parts of preservative, 1 to 9 parts of stabilizer, 6 to 10 parts of coconut oil diethanolamide, and 10 to 30 parts of deionized water. After the polishing agent for the new energy automobile surface prepared by the invention is used for polishing, the glossiness is high, the brightness is uniform and consistent, the polishing effect is good, an automobile is not easy to fade in color after being polished for a long time, the inoxidizability is high, and the polishing agent prepared through the invention has high temperature resistance stability and relatively good hydrophobicity, so that the occurrence of the phenomenon that acid materials in rainwater or air corrode the polishing agent so as to damage an automobile surface paint is prevented.

The invention discloses application of sulfur/phosphorus hybrid polyether modified polycarboxylic acid in the fields of paint, printing ink, ceramics, adhesives and solar cells, and particularly relates to application of the sulfur/phosphorus hybrid polyether modified polycarboxylic acid in dispersing an organic pigment in water or an aqueous solution. The sulfur/phosphorus hybrid polyether modified polycarboxylic acid is prepared in the steps that by mass, 10-30 parts of acrylic acid, 1-10 parts of polyether and 20-50 parts of water are evenly mixed and heated to 50-100 DEG C, then 0.1-10 parts by mass of an initiator solution is added, a heat preservation reaction is carried out for 2-6 hours, and 6-20 parts by mass of a chain transfer agent solution is added to stop the reaction. The preparation method is wide in raw material source, green in preparation, simple and convenient to use and environmentally friendly. The problem that the organic pigment phthalocyanine copper is difficult to disperse in water is solved, and the application range of phthalocyanine copper is widened. A phthalocyanine copper water dispersion solution can be applied to the fields of paint, printing ink, ceramics, adhesives and solar cells.

The invention discloses a stool with a garbage can. The stool comprises a seat supported by four legs and a backrest connected to the rear part of the seat, wherein a drawer type garbage can is arranged between the adjacent legs below the front surface or the lateral surface of the seat. According to the stool, the drawer type garbage can is arranged between the adjacent legs below the front surface or the lateral surface of the seat, and can be drawn out by a person sitting on the stool for containing garbage, so that the worry of the person about frequent entering and exiting for throwing the garbage and the influence on watching is eliminated when the stool is applied to a place such as a gymnasium and a concert; in addition, the condition that much garbage is left on the site after a game or performance is over is avoided; moreover, the garbage can is arranged right in a space below the seat, so that the enlargement of an arrangement space of the stool is avoided, and the stool is more reasonable in structure, convenient to use and environment-friendly.

The invention discloses high-stain-resistance waterborne top coating, a preparation method thereof, application of the top coating, and woodware, and belongs to the technical field of coating. The topcoating includes the following components by weight: a water-based emulsion, water-based resin, a defoamer, a wetting agent, white paste, wax powder, a film-forming aid, a defoaming agent, a levelingagent, a rheological aid and water. The white paste includes the following components by weight: water, a dispersant, a defoamer, titanium dioxide, a water-based rheological aid, and a pH regulator.According to the top coating, water is adopted as a solvent, VOC emission in the system is extremely low, and the top coating is almost free of irritating odor, and is non-flammable, safe, stable, good in environmental protection performance, and good in stain resistance. The water-based resin and the water-based emulsion are mixed so that the crosslinking degree of the coating is further increased, hydrophobic aids are added, facilitating improvement in stain resistance and water resistance of coating films and further improving hardness and adhesive force of the coating films.

The invention discloses a biodegradable thermoplastic PVA/starch seed tape. The biodegradable thermoplastic PVA/starch seed tape comprises the following components: thermoplastic PVA and thermoplastic starch. Biodegradable thermoplastic PVA/starch seed tapes with different degradation times can be prepared according to the ratio of thermoplastic PVA to thermoplastic starch. The prepared thermoplastic PVA/starch seed tape has good biodegradability and excellent seedling survival rate, is suitable for popularization in the field of agricultural films, and has wide development prospects.