96 results about "Renewable materials" patented technology

The invention discloses an antibacterial non-woven fabric and a preparation process thereof, and belongs to the technical field of non-woven fabrics. Comprising the following raw materials in parts by weight: 60-70 parts of polypropylene resin, 10-20 parts of modified bamboo fibers, 5-8 parts of chitosan and 0.5-1.5 parts of an antioxidant. The chitosan and the bamboo fiber have certain antibacterial property, so that the antibacterial property of the non-woven fabric is improved; by modifying the bamboo fibers, the antibacterial performance of the non-woven fabric is remarkably improved, the compatibility of the bamboo fibers and a matrix is improved, meanwhile, micromolecular organic chains are grafted to the bamboo fibers, the migration resistance and seepage resistance of antibacterial components are remarkably improved, and the problems that according to a traditional coating method, falling is prone to occurring, and washing is not durable are solved; the bamboo fiber and the chitosan in the raw materials are natural and renewable materials and are environmentally friendly; in conclusion, the prepared non-woven fabric has stable and efficient antibacterial property, is environmentally friendly and has important application value in the technical field of non-woven fabrics.

The invention relates to the technical field of fabric preparation, in particular to environment-friendly breathable polyester silk fabric and a preparation process thereof. The preparation method comprises the following steps: preparing an epoxy polyurethane emulsion by taking glycidyl as an end-capping reagent; eugenol and phenyl dichlorophosphate are used as raw materials to react, and m-chloroperoxybenzoic acid is used as an oxidizing agent to prepare an epoxy flame retardant; the preparation method comprises the following steps: carrying out reaction on N, N-diethylaminopropyl methyl dimethoxy silane and epoxy chloropropane to obtain epoxy organosilicon quaternary ammonium salt; mixing the epoxy-based polyurethane emulsion, the epoxy-based flame retardant, the epoxy-based organosilicon quaternary ammonium salt and the curing agent, and modifying the polyester silk; preparing bio-based spinning fibers from a mixed solution of a carboxymethyl cellulose solution and a chitosan solution through an electrostatic spinning technology, and then blending the bio-based spinning fibers with the modified polyester to obtain the polyester fabric. The polyester silk fabric prepared by the method has good flame retardant property, antibacterial property and air permeability, and part of materials are renewable materials, so that the polyester silk fabric is economical and environment-friendly and meets the requirement of green development.

The invention relates to a preparation method of a silicon resin modified polyurethane-based intumescent flame-retardant heat-insulating coating, which comprises the following steps: mixing pure polyurethane and N, N-dimethylformamide according to a certain proportion, adding ammonium polyphosphate, pentaerythritol, melamine and expansible graphite, and uniformly stirring to prepare a polyurethane-based coating containing an intumescent flame-retardant system. And then adding silicon resin sol obtained by dissolving powdery methylsiloxane resin in isopropanol according to a ratio and uniformly stirring to modify. The preparation method has the advantages that the preparation process is easy to operate, green and free of pollution, renewable materials are used as raw materials, and the requirements for environmental protection and sustainable development are met; through the modification of the silicon resin, the malignant expansion of the expandable graphite is inhibited; the coating is well bonded with a base material, a carbon layer formed at a high temperature has excellent heat insulation performance and can well protect the base material, and the temperature of the back surface of the base material coated with the coating is only 174 DEG C under butane flame of about 1200 DEG C; the formed carbon layer has better stability under a high-temperature condition, and the burn-through resistance time exceeds 2 hours; according to the present invention, the formed thick, compact and porous carbon layer inhibits the generation of smoke, the heat release rate peak value of the coating is 183 KW / m < 2 >, the smoke release rate peak value is only 0.00147 m < 2 > / s, and the CO generation rate peak value and the CO2 generation rate peak value are respectively 0.00229 g / s and 0.1009 g / s.

The present invention discloses a recyclable bio-based thermosetting polyurethane hot melt adhesive and its preparation method, which includes vegetable oil polyol, poly(propylene carbonate) diol, polyester polyol, macromolecular thermoplastic tackifying resin, isocyanate, furan compound containing active hydrogen, and bifunctional bismaleimide. First, the present invention reacts vegetable oil polyol, poly(propylene carbonate) diol, polyester polyol, and macromolecular thermoplastic tackifying resin with diisocyanate to generate a polyurethane prepolymer. Subsequently, the furan compound containing active hydrogen is reacted with the above prepolymer. Finally, bifunctional bismaleimide is added to form a dynamic covalent polymer therewith. The prepared bio-based thermosetting polyurethane hot melt adhesive has a low melt viscosity, a high ultimate peel strength, and recyclable characteristics. Some raw materials of the present invention are derived from biomass and renewable materials, which improves the green sustainability of the product's entire life cycle.

The invention belongs to the technical field of preparation of environment-friendly flame-retardant high polymer materials, and particularly relates to a preparation method of low-cost bio-based intrinsic flame-retardant polyurethane. The low-cost bio-based polyol is prepared by taking phytic acid and micromolecular polyol as raw materials, and the low-cost bio-based intrinsic flame-retardant polyurethane is prepared by carrying out simple one-pot polymerization on the self-prepared low-cost bio-based polyol and isocyanate. The material has excellent flame retardant property without adding any flame retardant, and the preparation method is simple and convenient and low in cost. The invention belongs to a bio-based flame-retardant high polymer material, and a renewable material with low-cost bio-based intrinsic flame-retardant polyurethane as a bio-based source is prepared. The invention is mainly applicable to the fields of energy storage / power battery thermal management materials, buildings, packaging materials, protective coatings, oil tank sealants, high-safety electronic equipment and the like.

The invention relates to the technical field of image recognition, in particular to an intelligent classification and recognition method and system for renewable materials. And dividing the garbage area into a first material garbage area and a second material garbage area according to an identification result of the material code identifier. The first membership degree can be obtained by comparing the contour similarity between the second material garbage area and the first material garbage area of each material category. And comparing first similarities between the representative garbage area and the second material garbage area under different appearance dimensions, and obtaining a second membership degree by comparing the weight and the first similarities. A random forest decision-making tree model can be constructed based on the first membership degree and the second membership degree, and decision-making conditions in a decision-making tree can be continuously adjusted according to the classification error rate of a training result in the training process. According to the method, image recognition and machine learning are combined, and an accurate material classification result is obtained through the trained random forest decision tree model.

The invention relates to the technical field of bee breeding, in particular to a modular bee breeding beehive based on renewable materials, which comprises a plurality of beehive frames of regular hexagonal hollow structures, detachable honey collecting frames are arranged in the frames, and four sliding grooves are formed in the frames, so that the honey collecting frames can be quickly disassembled and assembled. Sleeving flanges and embedding flanges are arranged at six corners of each beehive frame and used for modular assembly, cover plates are arranged at the two ends of an opening, and bee openings for bees to go in and out are formed in six side edges. The beehive frame and the honey collecting frame are both made of renewable materials, and the advantages of being environmentally friendly and sustainable in development are achieved. According to the design, the portability and the operation convenience of the beehive are improved, rapid assembly and transportation are facilitated, the labor intensity is reduced, the working efficiency is improved, the honey yield is increased, and the beehive is suitable for being applied and popularized in a bee farm. Through the innovative design, the bee breeding flexibility and efficiency are effectively improved, and the environment-friendly requirement is met.

The utility model discloses a renewable material recycling and smashing device which comprises a machine base, a cutting knife set is arranged on the surface of the machine base, a square groove is formed in the surface of the machine base on one side of the cutting knife set, a widened edge is connected to the surface of the square groove, a recycling pipe is connected to the middle of the widened edge, and an outlet groove is formed in the bottom of the recycling pipe. A first conveying belt is arranged on the side, away from the machine base, of the bottom of the outlet groove, a pulverizer is arranged at one end of the first conveying belt, a gear column is arranged on the surface of the pulverizer, and a gear is arranged on the surface of the gear column. The waste paper strips are prevented from being clamped, the waste paper strips can be taken out and cleaned in time, follow-up work is prevented from being affected, the working efficiency of workers is greatly improved, the work task load of the workers is reduced, and the practicability of the device is improved.

A process and a process plant for production of a hydrocarbon product comprising low amounts of HPNA from a hydrocarbonaceous stream derived from a thermochemical decomposition of a solid renewable material.

The invention discloses a preparation method of selective arylated lignin and the arylated lignin. According to the method, natural lignin or lignin extracted by a solvent is taken as a raw material, an arylation reagent and lignin benzyl hydroxyl are subjected to Friedel-Crafts alkylation reaction, and the arylation modified lignin is selectively synthesized. Based on the characteristic that a natural benzyl hydroxyl structure in lignin is easy to react with a nucleophilic reagent, lignin is induced to selectively react with aromatic derivatives such as phenol and phenyl ether, and oriented modification of lignin is realized. The modification process effectively inhibits self-condensation of lignin, avoids invalid breakage of beta-O-4 aryl ether bonds of lignin under mild conditions, and realizes selective alpha-arylation modification. According to the lignin modification method, the solubility of the lignin in an organic solvent is improved, high-value utilization of the lignin is promoted, and an important raw material support is provided for application of preparing renewable chemicals, energy substances, renewable materials and the like.

To provide a renewable material-based furandicarboxylic acid-containing polyurethane controlled release fertilizer coating material, and its application and product.SOLUTION: The present invention relates to a polyurethane controlled release fertilizer coating material produced for the first time by introducing furan ring structure units, and is manufactured via a crosslinking reaction between an isocyanate and a biopolyester polyol product based on furandicarboxylic acid derived from renewable materials (hereinafter, Bio-FDCA). In particular, all of the small-molecule alkyds in the raw materials, including Bio-FDCA, adipic acid, plant-derived oleic acid, acetic acid, glycerol, 1,4-butanediol, and diethylene glycol, are of biological origin. This significantly increases the biomass content, making the material safe and environmentally friendly. Furthermore, by reducing the proportion of furan dicarboxylic acid, the performance of the coating film can be improved, thereby enabling effective cost control and providing high market value.SELECTED DRAWING: Figure 8

The present invention relates to anaerobically curable compositions made from renewable materials. In particular, an alpha-methylene-lactone is used with a (meth)acrylate component and a cure system to form an anaerobically curable composition.

A tire component formed from a rubber composition comprising a predominant weight percentage of renewable materials, wherein the rubber composition, based on 100 parts by weight (ThK) of elastomer, comprises: a mixture of at least two rubber elastomers, selected from a group consisting of: from 30 ThK to 60 ThK polybutadiene; up to 60 ThK of one or more styrene-butadiene copolymers; up to 45 ThK natural rubber; a bio-based resin material, and a bio-based filler comprising silicon dioxide and carbon black filler, wherein said carbon black filler was obtained at least partially from a bio-based starting material prior to its addition to the rubber composition.

This invention discloses a modified grapefruit peel-based carbon aerogel, its preparation method, and its applications, belonging to the field of adsorbent preparation technology. The preparation method involves placing the grapefruit peel-based carbon aerogel in a potassium hydroxide solution and stirring at 75–85°C for 2.5–3.5 hours. After stirring, the mixture is filtered and dried, then calcined at 850–950°C for 1–1.5 hours in a nitrogen atmosphere. This invention solves the problems of low adsorption capacity and poor selectivity in current adsorbent materials. The modified grapefruit peel-based carbon aerogel electrode exhibits preferential selectivity for nitrates and phosphates. The invention utilizes capacitive deionization technology, resulting in low energy consumption and cost savings. The electroadsorption system electrode uses grapefruit peel as a raw material, which is widely available, convenient, and inexpensive. The resulting biomass-based carbon aerogel has the advantages of being renewable, biodegradable, and rich in carbon sources. It also enables the recycling of waste grapefruit peels, making it an environmentally friendly renewable material.

The invention discloses a resource recovery treatment device which comprises a treatment box, a first-stage crushing chamber, a magnetic separation chamber and a second-stage crushing chamber are sequentially arranged in the treatment box from top to bottom, a feeding hopper is arranged at the top of the first-stage crushing chamber, a first-stage crushing mechanism is arranged in the first-stage crushing chamber, and the first-stage crushing mechanism is provided with a heating mechanism; a magnetic separation mechanism is arranged in the magnetic separation chamber, a magnetic separation outlet is formed in the side wall of the magnetic separation chamber, a second-stage smashing mechanism is arranged in the second-stage smashing chamber, and a discharging port is formed in the bottom of the second-stage smashing chamber. The resource recovery treatment device integrates pre-crushing, heating softening, magnetic substance separation and fine crushing, realizes continuous automatic treatment of complex mixed renewable resources through a two-stage differential crushing design in combination with heating softening and high-efficiency magnetic separation technologies, remarkably improves the treatment efficiency of the renewable resources and the quality of regenerated materials, and is suitable for industrial production. And the resource recovery cost is effectively reduced.

The application discloses a humidity-responsive color-changing radiation refrigeration material, which comprises a scattering layer and a rainbow photonic film arranged on the surface of the scattering layer, wherein the rainbow photonic film is a cellulose nanocrystal / polyethylene glycol composite film, and the scattering layer is a polylactic acid-silicon dioxide-aluminum oxide composite nanofiber film. The application realizes the coupling of the color mirror reflection of the CNC / PEG composite color radiation refrigeration functional layer and the broadband diffuse response of the electrospinning film reflection layer through the composite design of the top CNC / PEG rainbow photonic film and the bottom PLA / SiO2 / Al2O3 scattering layer, reduces the negative influence of moisture absorption and color development on reflectivity, and successfully combines color intelligent response and efficient radiation refrigeration. The preparation method is simple, the raw materials used are all degradable and renewable materials, the cost is low, and the application is easy to popularize and apply.

The invention provides a microbial sand brick preparation device based on recycled materials, and belongs to the technical field of microbial sand brick preparation and a grouting mold, the grouting mold comprises a detachable shell, a top cover, a bottom cover, a cushion plate and a gasket, the two ends of the detachable shell are in threaded connection with the top cover and the bottom cover correspondingly, and the bottom cover is in threaded connection with the cushion plate. A gasket is movably installed on the inner wall of the grouting mold and tightly attached to the inner wall of the grouting mold, a base plate is installed on the bottom cover, and filtering pieces are installed on the base plate and below the top cover. One end of the peristaltic pump is connected with the bacterial liquid container and the cementing liquid container through pipelines, and the other end of the peristaltic pump is communicated with one end of the sand brick grouting mold through a pipeline; the waste liquid collector is communicated with the other end of the sand brick grouting mold through a pipeline; the steel slag is used as a base material of the sand column and replaces a common sintered brick and a microbial sand brick taking silica sand as a base material, so that the cost is saved, the environment is protected, and the purpose of solid waste resource utilization is achieved.

An automatic dispensing device for volatile fluid operable to apply one or more agent to a local environment for more than 14 days. A dispensing device may nonexclusively operate by evaporation of volatile fluid from a carrier material that is somehow infused with the volatile fluid; gravity-induced drip from a bulk supply of volatile fluid through a small orifice onto an emanator; osmotic transfer of volatile fluid through the emanator from a bulk supply; gas-pump drive of volatile fluid to the emanator at controlled pressure or volume; or diffusion of volatile fluid through a wall of a container of bulk volatile fluid; and combinations thereof. An emanator of the volatile fluid is desirably biodegradable and formed from renewable materials.

A process and a process plant for production of a hydrocarbon product comprising low amounts of HPNA from a hydrocarbonaceous stream derived from a thermochemical decomposition of a solid renewable material.

Tree guard (1) comprising an elastically deformable grid mat (10) and at least one connecting element (20) for the detachable connection of two grid struts (21) such that the grid mat (10) assumes a substantially tubular, inherently stable design, wherein the grid mat (10) and the at least one connecting element (20) are made of renewable materials and are completely biodegradable.

A tire component formed from a rubber composition comprises a majority weight percent of renewable materials. The rubber composition comprises, based on 100 parts per weight (phr) of elastomer:a blend of at least two rubber elastomers selected from a group consisting of:from about 40 phr to about 50 phr polybutadiene;up to about 35 phr of styrene-butadiene copolymer;up to about 45 phr of natural rubber;a bio-derived resin material; anda bio-derived filler comprising silica and carbon black filler. The carbon black filler is at least partially derived from a bio-based feedstock prior to its addition to the rubber composition. The resin and the silica are also derived from renewable materials.

The invention relates to a biodegradable bio-foam and a method of manufacturing a biodegradable bio-foam, such as the claimed bio-foam. The foam provides a product comprising organic material that can be broken down naturally in compost or soil, or it can be used for bioenergy. The invention eliminates or reduces any reliance on fossil fuels and provides a bio-foam completely free of petrochemicals. The bio-foam may almost entirely be made of plant-based and / or renewable materials. The bio-foam may include green fillers, additives and structural components to replace petrochemical compounds.

The invention discloses a curing agent, resin, a preparation method of the curing agent, a resin composition containing the resin and a copper-clad plate. The curing agent comprises a curing agent I and a curing agent II, the curing agent II can be prepared through the curing agent I, the resin comprises resin I and resin II, the curing agent I is one of raw materials of the resin I, and the curing agent II is one of raw materials of the resin II; the resin composition comprises a resin composition I and a resin composition II, the resin composition I comprises a curing agent 1 and / or a curing agent II, the resin composition II comprises a resin I and / or a resin II, the copper-clad plates comprise a copper-clad plate I and a copper-clad plate II, the copper-clad plate I is prepared from prepregs taking the resin composition I as a raw material, and the copper-clad plate II is prepared from prepregs taking the resin composition II as a raw material. And the copper-clad plate II is prepared from a prepreg which takes the resin composition II as a raw material. The curing agent and the resin disclosed by the invention have a spiral condensation polymerization structure and can be degraded under an acidic condition, so that the resin composition and the copper-clad plate can be degraded, are convenient to recycle and are environment-friendly; in addition, the raw materials of the curing agent are from renewable plants, so that the use of non-renewable materials is reduced, and the energy crisis can be relieved.

The utility model relates to the field of water conservancy project river channel treatment, and discloses a pine pile, bamboo chip and geotextile combined river channel bank protection structure which comprises pine pile bodies, the pine pile bodies are installed at the river bank position located on one side of river water, a stratum is arranged on one side of the river bank, and the multiple pine pile bodies are linearly distributed and arranged in the stratum. A plurality of bamboo chip grids and geotechnical cloth bodies are sequentially distributed on one side of the pine pile body, and the outer walls of the pine pile body, the bamboo chip grids and the geotechnical cloth bodies are all provided with through cross rods and binding iron wires for binding and fixing, so that a vertical soil retaining structure is formed; the bamboo chip grating comprises a plurality of transverse bamboo chips, and a plurality of vertical bamboo chips are arranged on the outer walls of the transverse bamboo chips to form a framework. The revetment is simple and practical in structure, convenient to construct and low in engineering cost. And renewable materials are used, so that environmental protection is facilitated, and the ecological effect of planting grass on the levee slope is good.

A tire component formed from a rubber composition comprises a majority weight percent of renewable materials. The rubber composition comprises, based on 100 parts per weight (phr) of elastomer: a blend of at least two rubber elastomers selected from a group consisting of: from about 15 phr to about 50 phr polybutadiene; up to about 20 phr of styrene-butadiene copolymer; up to about 90 phr of natural rubber; a bio-derived resin material; a vegetable triglyceride oil; and a bio-derived filler comprising silica and carbon black filler. The carbon black filler is at least partially derived from a bio-based feedstock prior to its addition to the rubber composition. The resin and the silica are also derived from renewable materials. In some embodiments, the contemplated polybutadiene may be from mass balanced feedstocks.

A renewable material traceability system acquires information on a renewable material provided by a provider and information on the provider, allocates a lot of the renewable material to a product in a production process of the product, and notifies the provider of evaluation data obtained based on data associated with the provider from among a traceability data group, the evaluation data being data as an evaluation related to the provision by the provider, the traceability data group including material traceability data, which is data including a set of information on the renewable material and information on the provider, and production traceability data, which is data including information indicating a lot allocated to each product for each of one or more types of renewable materials used as materials for the product.

The invention relates to a preparation method of mullite whisker precursor pressureless forming one-time sintering light heat insulation ceramic, which comprises the following steps: mixing nano aluminum sol, nano silicon sol and water according to a certain proportion, adding ammonium molybdate tetrahydrate, and uniformly stirring to prepare a whisker growth precursor; and drying in a drying oven, grinding into a solid powdery product in a mortar, filling an aluminum oxide mold with the solid powdery product, carrying out non-pressure compaction, carrying out high-temperature calcination in a furnace, cooling, taking out, and demolding to obtain the lightweight porous ceramic block prepared by in-situ growth of the mullite whiskers. The preparation method has the advantages that the preparation process is easy to operate, green and free of pollution, renewable materials are used as raw materials, and the requirements for environmental protection and sustainable development are met; the morphology and components of the porous light heat-insulating block can be accurately controlled, and the porous light heat-insulating block has better stability under a high-temperature condition; the prepared porous light heat-insulating ceramic block has high compressive strength which is concentrated at 4.15-4.57 MPa, and is light, the density is concentrated at 0.65-0.75 g / cm < 3 >, the porosity can reach 76.3-79.4%, and the load of the whole structure can be reduced. After the ceramic block is exposed for 1800-2000 seconds at 1250-1350 DEG C, the back temperature of the ceramic block is 290-300 DEG C, and the ceramic block has excellent heat insulation performance.

The present invention relates to novel sulfoperoxycarboxylic acid compounds, and methods for making and using them. The sulfoperoxycarboxylic compounds of the invention are storage stable, water soluble and have low to no odor. Further, the compounds of the present invention can be formed from non-petroleum based renewable materials. The compounds of the present invention can be used as antimicrobials, and bleaching agents. The compounds of the present invention are also suitable for use as coupling agents.

The present disclosure relates to a process for producing rosinol from renewable materials comprising abietic acid, such as raw materials comprising crude tall oil. According to the method, abietic acid present in the renewable material is separated (101) and a stream comprising at least partially separated abietic acid is subjected to a thermal decarboxylation reaction (102) to produce a stream comprising formed rosin oil and rosin oil is recovered (103) from the stream. The present disclosure also relates to a system for carrying out the method, and the use of rosinol obtainable by the method as a renewable feedstock co-processed with fossil feedstock to increase the renewable content of fossil transport fuels and / or chemicals, and the use of co-processing with other renewable feedstocks to produce renewable fuels and / or chemicals or components thereof. The present disclosure also relates to a rosin oil product obtainable by the process.