74 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 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 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.

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.

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 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.

The utility model discloses a kind of flame-retardant packaging bags, including bag body, bag body is sequentially provided with from outside to inside: outer flame-retardant layer, adopt expansion type flame retardant coating, first substrate layer, for woven polypropylene material, buffer layer, inside honeycomb structure, second substrate layer, for high-temperature-resistant polyethylene film, inner layer heat-resistant lining, surface is equipped with antiskid texture, the opening end of bag body is equipped with main sealing zip fastener and auxiliary self-adhesive strip, the both side edges of bag body integrally formed have reinforcing rib, the bottom of bag body is equipped with puncture-proof cushion layer, the top of bag body is symmetrically provided with adjustable hand strap;The utility model fluorine compound is replaced by food-grade coating, solve biological cumulative toxicity problem, and carbon footprint is reduced by renewable material application;Five-layer design makes it flame-retardant not easy to break, side reinforcing rib makes it more firm, bottom surface is more not easy to break by being equipped with puncture-proof cushion layer and bottom surface contact, and it can be used for more conditions.

The application provides a preparation method of a support plate for sports shoes sole prepared from wood and bamboo wastes. The support plate for sports shoes sole prepared by the application is prepared from wood or bamboo wastes. The wood or bamboo wastes are used to prepare the support plate for sports shoes sole through self-crosslinking between celluloses, addition of coordination bonds or covalent bonds and other ways, and the support plate is prepared through assembly and hot pressing, and has the advantages of green renewable, simple preparation, low cost and the like. The support plate for sports shoes sole prepared by the application avoids the problem of using a large amount of non-renewable materials in traditional support plates, reduces the consumption of petroleum-based resources and the emission of harmful gases in the preparation of carbon fibers, and provides the possibility for the support plate of sports shoes to change from high energy consumption and high pollution to green and low carbon.

The present invention provides a method of reducing the nitrogen content in a renewable material stream derived from a liquid renewable material stream or a fraction thereof, the method comprising the step of treating the renewable material stream or the fraction with an acid. The invention also provides a device for implementing the method.

A three-dimensional (3D) printable material is disclosed, including a silicon-based polymer, and one or more crosslinkers, and where the one or more crosslinkers may include a dynamic crosslinker. The silicon-based polymer may include a preceramic polymer, such as a polycarbosilane. The preceramic polymer may include a polysilazane. The dynamic crosslinker may include a renewable material such as a plant-based material. The dynamic crosslinker may further include a disulfide bond, such as, for example. allyl disulfide or alternatively, an imine bond. The 3D printable material can be crosslinked with exposure of the 3D printable material to elevated temperature or radiation. The 3D printable material can be fabricated using extrusion, molding, three-dimensional printing, or a combination thereof.

The present disclosure provides a hemp-based wall stud comprising a composite material formed from hemp fibers and hemp shives, and a binder material impregnating the composite material. The wall stud has a C-shaped profile and a density sufficient for structural use in wall construction. The hemp-based wall stud offers an environmentally sustainable alternative to conventional steel studs while maintaining structural integrity. A method of manufacturing the hemp-based wall stud involves combining hemp fibers and shives, impregnating with a binder, pressing into a board, and shaping into a C-profile. The resulting wall stud can be integrated into wall assembly systems, providing a bio-based solution for construction that reduces carbon footprint and utilizes renewable materials.

Encourage donors to provide renewable materials. [Solution] The renewable material traceability system acquires information about renewable materials provided by a provider and information about the provider, assigns lots of renewable materials to products during the production process of the products, and notifies the provider of evaluation data, which is data evaluating the provision by the provider, obtained based on data associated with the provider from a group of traceability data that includes material traceability data, which is data containing pairs of information about renewable materials and information about the provider, and production traceability data, which is data that contains information indicating the lot assigned to a product for each of one or more types of renewable materials that are used as materials for the product.

The present application relates to a kind of polishing pad and the manufacturing method of semiconductor device.The polishing pad, by the structure design of subdivision in thickness direction, can provide the physical property in line with various polishing purposes for various polishing objects, and in the aspect of abandonment after use, unlike existing polishing pad, renewable material or recyclable material is applied in at least part of structure, so as to ensure environmental protection.Specifically, the polishing pad includes polishing layer;The polishing layer includes: polishing variable layer, with polishing surface, and polishing invariable layer, is arranged in the opposite side of the polishing surface of the polishing variable layer;The polishing invariable layer includes the solidified product of first composition containing first urethane-based prepolymer, the first urethane-based prepolymer can be the reaction product of first alcohol component and first isocyanate component, and the first alcohol component includes the first polyol with hydroxyl value of 200mgKOH / g to 900mgKOH / g.