21results about How to "Green" patented technology

The invention relates to the field of layered interior ceiling processing, and particularly discloses an environment-friendly automobile interior ceiling and a preparation method thereof.The environment-friendly automobile interior ceiling sequentially comprises base cloth, glue-coated PET fiber felt, base cloth, an adhesive and a surface decoration layer from bottom to top; the base cloth is made of any one of non-woven fabric, film-coated non-woven fabric or film-coated non-woven fabric; the preparation method comprises the following steps: coating polyurethane glue on the upper surface and the lower surface of the PET fiber felt to obtain a glue-coated PET fiber felt; spraying water to the glue-coated PET fiber felt, then attaching the glue-coated PET fiber felt to the base cloth, then carrying out hot press molding for 40-120s at the temperature of 100-140 DEG C, and cooling to obtain a semi-finished product; an adhesive is sprayed on the semi-finished product, a surface decoration layer is laid on the semi-finished product, hot pressing is conducted for 20-100 s at the temperature of 90-120 DEG C, after cooling, cutting, edge covering and aftertreatment are conducted, and a finished product is obtained. The method has the advantages of environmental protection, no pollution in the production process, no influence on human health of a user, facilitation of recovery and long service life.

The invention discloses a treatment method for relieving respiratory climacteric fruit and vegetable oxidation browning, and belongs to the technical field of fruit and vegetable storage and fresh-keeping processing. The method comprises the following steps: soaking treatment equipment and fruits and vegetables with NaClO or 75% ethanol solution, washing with deionized water, draining, and cutting into fresh-cut fruit and vegetable slices; soaking the pretreated fresh-cut fruit and vegetable slices in a 2-50 [mu] mol / L theanine solution, taking out the fresh-cut fruit and vegetable slices after the fresh-cut fruit and vegetable slices are completely soaked, and removing moisture on the surfaces of the fresh-cut fruit and vegetable slices; and storing the fresh-cut fruit and vegetable slices, wherein the sealed storage temperature is 0.5-8 DEG C. The treatment method can effectively slow down browning of the fresh-cut fruits and vegetables, is pollution-free to the environment, safe and sanitary, can improve the edible flavor of the fresh-cut fruits, and has the advantages of being green, environment-friendly, high in quality and low in price; the method not only can be used for relieving oxidation browning of fresh-cut apples, pears and yellow peaches, but also can be applied to browning and preservation of other breath climacteric fruits and vegetables, weight loss is reduced, and the method has good economic value.

The invention discloses an environment-friendly thermosetting powder coating and a preparation method thereof. The preparation method comprises the following steps: mixing epoxy resin with a solvent formed by mixing n-butyl alcohol and ethylene glycol monobutyl ether to prepare a dispersion liquid 1; the preparation method comprises the following steps: reacting nano zirconium oxide particles and a surfactant with tetraethoxysilane to prepare ZrO2 / SiO2 particles; the ZrO2 / SiO2 particles and a modifier are subjected to a reaction, and surface modified ZrO2 / SiO2 particles are obtained; adding the surface-modified ZrO2 / SiO2 particles into a polymeric monomer, then adding an initiator, and uniformly stirring to obtain a dispersion system 2; carrying out condensation polymerization on the dispersion system 1 and the dispersion system 2 to prepare epoxy acrylic copolymer powder containing surface modified ZrO2 / SiO2 particles; the preparation method comprises the following steps: uniformly mixing the epoxy acrylic copolymer powder containing the surface-modified ZrO2 / SiO2 particles with a pigment, an accelerant, a flame retardant, an auxiliary agent and a filler, feeding the mixture into an extruder, carrying out melt extrusion, crushing and sieving. The preparation method of the environment-friendly thermosetting powder coating has the advantages of being simple in process, mild in condition, energy-saving, environment-friendly and the like.

The invention provides a nutrient solution for promoting coal rock in-situ biogasification as well as a preparation method and application of the nutrient solution. The nutrient solution comprises an inorganic salt culture medium and a synergistic culture medium; the dosage ratio of the inorganic salt culture medium to the synergistic culture medium is 1L: (2.4-4.3) g. The inorganic salt culture medium comprises an electron acceptor, a nitrogen source, a phosphorus source, a stabilizer, an enzyme cofactor, a buffering agent and trace metal mother liquor. The synergistic culture medium comprises peptone and a yeast extract. The nutrient solution can stimulate growth of microorganisms, promote continuous gas production of a coal seam and improve the gas production rate and the gas production rate; the nutrient solution does not need to consider coal seam temperature change, is low in cost and has the advantages of being green and environmentally friendly.

This solution relates to the coatings field and proposes an aqueous nano-dispersion of far-infrared negative oxygen ion material. By weight, it comprises: 300-350 parts water; 35-45 parts wetting agent; 40-60 parts dispersant; 25-35 parts defoamer; 35-45 parts multifunctional additive; 5-7 parts thickener; 400-600 parts activated far-infrared negative oxygen ion material; 1-3 parts accelerator; and 3-5 parts shielding agent. This solution designs a multi-component synergistically promoting activated far-infrared negative oxygen ion material, which can improve the hemispherical spectral emissivity in the 4-14μm band, even reaching above 0.95 in the key 8-12μm band, effectively promoting formaldehyde decomposition with a long-lasting effect, while also improving antibacterial properties.

The invention provides a preparation method of soymilk, the soymilk, a utilization method of soymilk preparation byproducts and lipase, the preparation method of the soymilk comprises the following steps: mixing soybean powder with water, and then sequentially performing extraction, grinding and sieving to prepare a mixed material liquid; mixing the mixed material liquid with a solvent, and performing extraction separation to prepare soybean milk and lipase; the solvent comprises a hydrogen bond donor and a hydrogen bond acceptor, the hydrogen bond donor comprises proline, and the hydrogen bond acceptor comprises lactic acid; carrying out enzyme deactivation treatment and sieving treatment on the soybean milk in sequence, and adding auxiliary materials into a screen underflow to prepare a semi-finished product; and sequentially carrying out homogenization treatment and sterilization treatment on the semi-finished product to prepare the soymilk. According to the preparation method, the soybean lipase in the soymilk is extracted by using the natural eutectic solvent, so that effective separation of the lipase and the soymilk is realized, continuous fat oxidation reaction and bad flavor caused by long-term contact of the lipase and the soymilk are avoided, meanwhile, the fresh taste and flavor of the soymilk are further effectively improved, and the shelf life is more stable.

The invention discloses a high temperature resistant pigeon-source Salmonella typhimurium phage, a phage composition and an application thereof, wherein the high temperature resistant pigeon-source Salmonella typhimurium phage is named PC204, and its deposit number is CGMCC No. 22368. The phage PC204 belongs to a long-tailed phage, has the characteristics of high temperature resistance, exhibits strong lysis and wide lysis spectrum characteristics to pigeon-source Salmonella typhimurium, can effectively prevent and treat pigeon-source Salmonella typhimurium diseases, has a specific lysis advantage to the pigeon-source Salmonella typhimurium, and can effectively reduce the mortality rate of pigeons and the positive rate of pigeon-source typhoid antibodies. It can be prepared into drugs for preventing and treating pigeon paratyphoid disease, environmental disinfectants, pigeon feed and pigeon water additives, and detection kits for application. The phage is safe and has no toxic side effects, will not produce drug-resistant bacteria, and has a good market application prospect.

The invention provides a surfactant and a preparation method and application thereof.The surfactant has the structure shown in the formula (I), raw materials of the surfactant are derived from phlorenic acid, ferulic acid and hydrogenated ferulic acid, and the surfactant has the advantages of being environmentally friendly and biosafe; a hydrophobic part in the structure contains an ester functional group, and has the characteristic of biodegradability; according to the surfactant disclosed by the invention, the hydrophilic size and the surface activity of the surfactant can be adjusted by controlling the length of polyoxyethylene, and the hydrophobic size and the surface activity of the surfactant can be adjusted by selecting fatty alcohols with different carbon numbers for esterification.

The invention discloses a lightweight water-based aerogel fireproof coating for a steel structure and a preparation method of the lightweight water-based aerogel fireproof coating. The fireproof coating is prepared from the following components in parts by weight: 30-50 parts of water; 15 to 35 parts of amino resin; 0-15 parts of fire-resistant pigment and filler; 10 to 40 parts of phosphate modified silicon dioxide aerogel; the phosphate group modified silicon dioxide aerogel is prepared by taking magnesium aluminum silicate powder, pentaerythritol, an ethylene glycol aqueous solution, ammonium phosphate, water, a foam leading agent and a defoaming agent as raw materials to form a gel state. The paint is prepared through specific stirring and grinding processes. The fireproof coating has the advantages of being excellent in fireproof performance, environmentally friendly, small in construction thickness and the like, is suitable for fireproof treatment of various steel structure buildings, can improve the fire endurance of a steel structure to 70 minutes or above under the standard test condition, can reach the thickness of 2 mm or below, and has wide application prospects.

The present invention belongs to the technical field of hot-dip galvanizing, and specifically relates to a method for preparing a hot-dip galvanized iron component with high adhesion and corrosion resistance. The preparation method comprises the following steps: immersing the iron component after being sequentially treated with alkali washing and degreasing, pickling and rust removal, and clean water rinsing in a plating-assisting solvent, performing the plating-assisting treatment for 30s to 5min at a temperature of 40 to 70°C, drying after taking it out, and then immersing it in a hot-dip galvanizing solution for hot-dip plating, cooling after taking it out, and obtaining a hot-dip galvanized iron component with high adhesion and corrosion resistance; the plating-assisting solvent is an aqueous solution containing the following concentration components: 80 to 150 g / L of zinc chloride, 60 to 120 g / L of zinc acetate, 10 to 30 g / L of acetic acid, and 5 to 20 g / L of cyclodextrin. The plating-assisting solvent of the present invention adopts a combination of zinc chloride, zinc acetate and acetic acid as the main rust removal functional component, and adopts a small amount of cyclodextrin as a crystallization film-forming auxiliary agent, which can significantly reduce the amount of hot-dip galvanizing smoke generated and improve the hot-dip galvanizing effect.

The invention belongs to the technical field of tobacco flavors, and particularly relates to a preparation process and application of a fresh and sweet herb flavor prominent Maillard reaction flavor. The preparation method comprises the following steps: carrying out heating reflux extraction on fragments of tobacco leaves produced in Yunnan and fragments of lysimachia foenum-graecum hance to obtain an extract, mixing the extract, distilled water and compound amino acid, heating to obtain a Maillard reaction spice extract, carrying out supercritical carbon dioxide extraction on the Maillard reaction spice extract, combining extracts of two separation kettles, adding ethanol for dissolving, and carrying out vacuum drying to obtain the Maillard reaction spice. And freezing and separating the upper-layer ethanol solution to obtain the tobacco flavor with prominent fresh and sweet herb fragrance. Compared with independent lysimachia foenum-graecum hance absolute oil, Yunnan tobacco absolute oil and the tobacco flavor prepared by blending the lysimachia foenum-graecum hance absolute oil and the Yunnan tobacco absolute oil, the tobacco flavor prepared by the invention can better improve the harmony, richness, aroma quality and taste of smoke, reduce irritation and reduce offensive odor.

The invention relates to the technical field of safety shoes, in particular to a safety shoe toe cap formula which is composed of an isocyanate component and a polyhydric alcohol component. The modified polyurethane resin comprises a polyurethane component and a polyol component, the polyurethane component comprises 4, 4 '-diisocyanate, 2, 4'-diphenylmethane diisocyanate and carbodiimide-uretonimine modified MDI, the polyol component comprises polyether polyol, polyester polyol, a chain extender, trimethylolpropane, quartz sand and a catalyst, and the modified polyurethane resin provided by the invention is used for manufacturing safety shoe toes and has the advantages of environmental protection, low VOC (volatile organic compounds) and high toughness.

The application provides a high-temperature unstable permafrost pre-melting and vacuum preloading reinforcement system and a reinforcement method, and the system comprises a pre-melting and thawing device, a sealing system and a steam generator, and the sealing system and the steam generator are connected with the pre-melting and thawing device. The pre-melting and thawing device is matched with the steam generator, the high-temperature unstable permafrost is pre-melted by using steam convection and heat conduction, the pre-melting and thawing efficiency is improved, the system has the characteristics of green environmental protection, and has no adverse effect on subsequent engineering construction. The sealing system is matched with the pre-melting and thawing device to realize the drainage consolidation of the high-temperature unstable permafrost foundation, the thawing pipe and the soil body are prevented from being empty, the pre-melting and thawing efficiency is ensured, the uneven subsidence problem caused by repeated freezing and thawing cycles is eliminated, the bad properties of the frozen soil are changed, and the stability of the foundation is effectively improved.

The present application relates to a kind of organic-inorganic hybrid monolithic material containing bipyridine and preparation and CB [5] and CB [7] separation. Specifically, first using tetramethoxysilane and 3-chloropropyl trimethoxysilane as silane reagent, urea and polyethylene glycol-10000 as porogen, after hydrolysis reaction of silane reagent, copolymerization is carried out into the silica gel monolithic material with chlorine atom, then through electrophilic substitution reaction modification 4,4-bipyridine, obtain a kind of organic-inorganic hybrid monolithic material containing bipyridine. Using the difference between CB [5], CB [7] and host-guest interaction of bipyridine, the selective separation of CB [5] and CB [7] is realized. The method used in the present application process is simple, organic solvent is used less, green and environmental protection, can be applied to large-scale preparation high-purity CB [5] and CB [7], with good commercialization prospect.

The invention relates to a novel ceramic toner and a preparation method thereof. The novel ceramic toner comprises a pigment, photosensitive resin and a solvent, the pigment is a zirconium-silver red pigment; the solvent is alcohol; the photosensitive resin is bio-oil phenolic epoxy photosensitive resin, and the mass ratio of the pigment to the photosensitive resin to the solvent is (1-3): (5-11): (19-25). The prepared novel ceramic colorant has good toughness, stable chemical properties and high sintering rate, and a visible red ceramic sample is full in color and high in red saturation.

The invention discloses an oxyhydrogen cutting system, which comprises an oxyhydrogen preparation unit, a water-seal fire-retardant unit, a water-gas separation unit, a safety controllable and fire-cutoff unit and a cutting unit, and oxyhydrogen mixed gas generated by the oxyhydrogen preparation unit can sequentially pass through the water-seal fire-retardant unit, the water-gas separation unit and the safety controllable and fire-cutoff unit to flow to the cutting unit; the water seal fire retardant unit can cooperate with the safety controllable and fire cutoff unit to block backfire flames in a pipeline together, the backfire flames are prevented from flowing in the pipeline to cause the backfire flames to burn components in the system, the safety controllable and fire cutoff unit can also achieve connection and disconnection of hydrogen and oxygen mixed gas, quantitative conveying or timed conveying is achieved, and the service life of the system is prolonged. The cutting unit comprises a flame cutting machine and a cutting trolley, the cutting gun head is assembled on the cutting trolley so that workers can replace and overhaul the cutting gun head conveniently, and a cooler is further arranged on the cutting trolley and suitable for cooling the cutting gun head.

The application provides a kind of adhesive for flexible composite pipe repair and its preparation method.The adhesive includes modified metal oxide particles, dilution monomer, acrylate prepolymer and photoinitiator;The modifier of modified metal oxide particles is selected from one or more than two combinations of stearic acid, sodium stearate and polyoxyethylene stearate.The adhesive can effectively shorten the construction time, reduce energy consumption and be more environmentally friendly in the process of flexible composite pipe repair.

The invention relates to a bacteriophage combination agent for synchronously improving salt resistance and nutrient capacity expansion of saline-alkali soil and application of the bacteriophage combination agent, the bacteriophage combination agent comprises two bacteriophages which are respectively pseudomonas aeruginosa bacteriophage phi YSZPA, the preservation number is CCTCC NO: M 2018515, and the preservation number is CCTCC NO: M 2018515. The invention discloses a multivalent phage phi YSZPK for attacking klebsiella pneumoniae and pseudomonas aeruginosa, and the preservation number of the multivalent phage phi YSZPK is CCTCC (China Center For Type Culture Collection) NO: M 2018516. The method is remarkable in effect, low in cost, environmentally friendly, easy and convenient to operate and easy to popularize and apply on a large scale, a new thought and a new technology are provided for improvement of the saline-alkali soil, and the technology has wide application prospects in coastal salinized areas, plain salinized areas, deserts and desert steppe salinized areas.

The invention belongs to the technical field of nylon materials, and particularly relates to a nylon composite material as well as a preparation method and application thereof. The nylon composite material is prepared from the following raw materials: nylon resin, a nano-branched carbon fiber material and spheroidal graphite. The nano-branched carbon fiber material comprises carbon fibers and carbon nanotubes, and the carbon nanotubes are grafted on the surfaces of the carbon fibers through amido bonds. According to the invention, CNTs are grafted on the surface of CF through amido bonds to form a branched structure. The grafting method is different from traditional physical mixing and can realize tight combination of the CF / CNTs and the nylon matrix on the molecular level, so that the interface bonding strength of the fiber and the matrix is remarkably improved. Meanwhile, a three-dimensional foam network structure is constructed in a nylon matrix through the spherical graphite and the nano-branched carbon fiber material with the branched structure, complex electric conduction and heat conduction paths can be formed in the material through the structural design, and the electromagnetic shielding effect of the composite material is effectively improved.

The utility model relates to the technical field of solar lighting, and discloses a portable solar lighting system which comprises a storage and charging device, and a solar panel, a charging wire and a plurality of lighting lamps which are connected to the storage and charging device, the storage and charging device is used for storing electric energy converted by the solar panel and supplying power to the illuminating lamp and an external electronic product connected to the charging line, magnetic rings are arranged on the outer ring of a connecting line of the illuminating lamp at equal intervals in a sleeving mode, and in the storage state, the connecting line of the illuminating lamp is folded in a spiral mode. And the vertically adjacent magnetic rings are attracted together to form a space for accommodating an illuminating lamp in the middle of the coil. The utility model aims to provide the portable solar lighting system which can convert light energy into electric energy, store the electric energy and supply power to the lighting lamp and the electronic equipment, so that the requirements of lighting and charging the electronic equipment in an environment without power supply or with difficulty in power supply are met, and the portable solar lighting system is convenient to store, transport and carry.

The invention discloses a method for preparing a p-phenylenediamine anti-aging agent without hydrogenation, and the specific implementation process is as follows: a compound A and a compound B are subjected to hydrogen borrowing and hydrogen reduction in a nitrogen atmosphere under the action of a metal supported catalyst to obtain a compound as shown in a formula I. The reaction process is as follows: in a # imgabs0 # formula, the compound A and the compound B are subjected to hydrogen borrowing and hydrogen reduction to obtain the p-phenylenediamine anti-aging agent. Each substituent R1 is independently selected from H, C1-C18 chain alkyl or C3-C18 alicyclic hydrocarbon, and a is an integer of # imgabs 1 #; r < 2 >, R < 3 >, R < 4 > and R < 5 > are respectively and independently selected from H, C1-C18 chain alkyl or C3-C18 alicyclic alkyl; r6 and R7 are respectively and independently selected from C1-C18 chain alkyl or C3-C18 alicyclic alkyl, or R6 and R7 form a C3-C18 alicyclic ring. According to the present invention, the active dehydrogenation and hydrogenation characteristics of the active component of the supported catalyst are utilized, the hydrogen borrowing and hydrogen returning reaction process is adopted, the external hydrogen source does not need to be additionally provided, the dangerous hydrogenation process is avoided, and the advantages of environmental protection and no three-waste emission are provided.