12results about How to "Renewable" patented technology

The invention relates to the field of paint and ink additives, and particularly discloses a water-based bio-based anti-wear agent for water-based paint and ink and a preparation method of the water-based bio-based anti-wear agent. The invention discloses a water-based bio-based anti-wear agent for water-based paint ink and a preparation method thereof. The water-based bio-based anti-wear agent comprises the following raw materials in parts by weight: 30-50 parts of palm wax, 16-24 parts of rice bran wax, 2-8 parts of oleamide and 0.2-0.6 part of a reinforcing agent. In addition, the invention has the advantage of improving the environmental friendliness of the anti-wear agent.

The present invention provides a method for preparing a bio-based fluorine-free water repellent for synthetic leather, which includes the following steps: 1) reacting a bio-based polyol with a special isocyanate to obtain a multi-functional end-capped intermediate; 2) subjecting the multi-functional end-capped intermediate to an ester exchange to obtain an outwardly extending bio-based long carbon chain end to obtain a bio-based fluorine-free water repellent. The present invention also creatively proposes a bio-based fluorine-free water repellent for synthetic leather, which is prepared by any of the above methods. The present invention selects bio-based raw materials and effectively regulates the functionality in the reaction process in the structure, designs the outwardly extending water-repellent chain segments, and makes the water repellent have good performance. The water repellent prepared by the present invention is fluorine-free and easier to degrade, low-carbon and environmentally friendly, and conforms to the concepts of green chemical industry and renewable.

This invention discloses a G4-DNA tetrahedral probe electrode, its preparation method, applications, and application methods. This invention utilizes four DNA strands to self-assemble into a DNA tetrahedral structure based on Watson-Crick hybridization. The DNA tetrahedron and G4 strand can be connected to the electrode based on the interaction between thiol groups and the gold electrode, and complementary base pairing. The addition of the DNA tetrahedron, through the construction of a reasonable probe density, further improves the detection sensitivity. This invention utilizes square wave voltammetry for electrochemical detection of malachite green. The content of malachite green can be determined based on the strength of the current signal of its characteristic peak. Rapid detection of malachite green can be achieved in a short time, with a minimum detection concentration of 3.65 μg / kg, showing potential for on-site detection. Six repeated tests using this electrode yielded almost identical detection signals, indicating that the electrode has good reusability and stability.

The present application relates to a kind of based on carbonized wood natural structure dopamine electrochemical sensor and its preparation method and application, the working electrode of the electrochemical sensor is modified with carbonized wood-ZnO nanowire-ZIF-8.The electrochemical sensor of the present application uses carbonized wood as substrate, after cutting carbonized wood whole piece, using conductive carbon paste is pasted on working electrode, while ensuring conductivity, also retain the three-dimensional structure of nanomaterial not be destroyed, guarantee the performance of sensor, with good application prospect.

The utility model provides an air purification device with a renewable filter element and dehumidification and humidification functions, which comprises an air purification component, a humidification and dehumidification two-in-one component, a man-machine interaction component and a shell, a filter component comprises the filter element, an ozone generator and a ventilation pipe, the ozone generator is connected with the filter element, and the ventilation pipe is connected with the air purification component. The first filter element is a modified shaddock peel nanofiber filter element, the second filter element is a potassium ferrate modified shaddock peel filter element, and the third filter element is a hemin modified shaddock peel filter element. According to the multifunctional air purifier, an air purification component and a humidification and dehumidification two-in-one component are combined, diversification of the air purifier is achieved, air purification and humidification and dehumidification can be conducted, the problem that the air purifier is single in function is solved, the filter element can be biochemically regenerated through the ozone generator, and the function maximization is achieved.

This application relates to the field of coating and ink additives, specifically disclosing a water-based bio-based anti-wear agent for water-based coatings and inks and its preparation method. The water-based bio-based anti-wear agent for water-based coatings and inks and its preparation method include the following raw materials in parts by weight: 30-50 parts palm wax, 16-24 parts rice bran wax, 2-8 parts oleamide, and 0.2-0.6 parts reinforcing agent; furthermore, this application has the advantage of improving the environmental friendliness of the anti-wear agent.

The application provides a mixed matrix membrane with high stability, a preparation method and application. The method adopts a phase inversion method, uses prepared UiO-66 and cellulose acetate with excellent chemical stability as raw materials to prepare a support layer membrane, and then synthesizes a polyamide active layer by polymerization of acyl chloride monomers and amine monomers on the support layer membrane, so that the required mixed matrix membrane is obtained. The prepared mixed matrix membrane has high desalination performance and high stability, and has a wide application prospect in the fields of seawater desalination and wastewater purification.

This application relates to the field of wind and solar power generation technology, and provides an integrated energy supply unit. The integrated energy supply unit includes a coordination unit, a wind-solar-storage power generation unit, a thermal energy unit, and a generator set. The wind-solar-storage power generation unit is used for electrical connection to the power grid, converting at least one of wind energy and solar energy into electrical energy and transmitting it to the grid. The generator set is also used for electrical connection to the power grid, converting the thermal energy from the thermal energy unit into electrical energy and transmitting it to the grid. The coordination unit is used to call upon at least one of the wind-solar-storage power generation unit and the thermal energy unit to generate electricity. Electricity can be supplied to the grid through at least one of wind power, photovoltaic power generation, and thermal energy generation to meet grid demand. When the power supply capacity of the wind-solar-storage power generation unit is insufficient to meet grid load demand, the generator set can convert the thermal energy from the thermal energy unit into electrical energy to supplement power generation and respond to grid demand.

The invention relates to the field of biodegradable materials, in particular to a manufacturing process of a degradable material for syringe production, and aims to solve the problem that the medical safety of syringes is not high due to poor antibacterial property and degradability of existing syringe production materials. According to the manufacturing process, the special injector material which has excellent antibacterial performance and can be quickly degraded in the natural environment is successfully prepared by taking the antibacterial degradable resin as a main raw material, so that the problems of cross infection and medical waste treatment which are easily caused by a traditional injector material are solved, and the concepts of environmental protection and sustainable development are met; the preparation method has wide application prospects and market value, and the preparation process is scientific, reasonable, simple, easy to implement and suitable for large-scale industrial production.

The utility model discloses a kind of based on raw water turbidity flow rate self-control filtration system, including raw water pool, sludge pool, medium storage tank, freshwater pool and tubular membrane, the raw water pool is provided with raw water inlet pipe connecting pipe type membrane raw water inlet, the concentrated water outlet of the tubular membrane is provided with concentrated water return pipe connection to raw water pool, the freshwater outlet of the tubular membrane is provided with freshwater outlet pipe respectively connection to medium storage tank and freshwater pool, the freshwater pool is provided with freshwater flushing pipe respectively connection to medium storage tank, the freshwater outlet and raw water inlet of tubular membrane, the concentrated water outlet of the tubular membrane is provided with concentrated water outlet pipe respectively connection to sludge pool and medium storage tank. Filtration system can build on tubular membrane at any time by medium membrane filtration layer regeneration system Coverable peelable medium membrane, produce freshwater continuously by circulating product system, clean tubular membrane and pipeline by cleaning system, eliminate chemical agent use, build water stable filtration system.

This invention belongs to the field of photo-evaporation desalination of water, specifically relating to a composite photoevaporator for photo-evaporation desalination and its preparation method. Carbon nanotubes, which possess excellent light absorption and water transport capabilities, are dispersed in biomass materials. Simultaneously, a layer of copper acetate is sprayed onto the surface of the biomass materials containing carbon nanotubes, forming copper particles after carbonization. The photoevaporator prepared by this invention combines metal, carbon nanotubes, and biomass materials, exhibiting contrasting hydrophilic and hydrophobic properties and strong salt resistance.

The application belongs to the technical field of battery materials, and particularly relates to a high-performance ceramic composite diaphragm as well as a preparation method and application thereof. The preparation method of the high-performance ceramic composite diaphragm comprises the following steps: mixing alumina powder with water, stirring and dispersing for 0.5-1 h, then adding carboxymethyl cellulose solution and a dispersing agent, stirring for 1-2 h, further adding acrylic acidified epoxy soybean oil polyol and a photoinitiator, and stirring for 0.5-1.5 h, so as to obtain ceramic slurry; uniformly coating the prepared ceramic slurry on a polyolefin diaphragm, and placing the coated diaphragm in an oven, and irradiating with a UV light for 2-5 min. The ceramic composite diaphragm prepared by using acrylic acidified epoxy soybean oil polyol as a binder not only can effectively improve the safety of a lithium ion battery by preventing short circuit under high temperature, but also has good infiltration and liquid absorption and retention capacity for electrolyte, so that the performance and service life of the battery can be greatly improved.