118 results about "Bioplastic" patented technology

The invention discloses a multi-stage micro-nano structure flexible wearable pressure sensor inspired by skin, and a preparation method and application of the multi-stage micro-nano structure flexible wearable pressure sensor. The sensor is composed of a piezoresistive layer, an electrode layer and a packaging layer. The piezoresistive layer takes polydimethylsiloxane (PDMS) as a flexible substrate, a submillimeter-level cylindrical array main structure and a micron-level skin-like spinous secondary microstructure randomly distributed at the top end of the submillimeter-level cylindrical array main structure are constructed through a composite mold, and a nano-level conductive network is formed by adopting an MXene / MWCNT hybrid material through a dispensing process, so that multi-scale stress synergistic response is realized; the electrode layer takes a degradable lignocellulose biological plastic film prepared from bagasse as a base material, and a silver paste interdigital electrode is loaded through a screen printing process; the packaging layer is fully coated with a medical-grade polyurethane (PU) film so as to ensure signal stability. The sensor shows ultrahigh sensitivity, wide detection range and low detection limit through the synergistic effect of the submillimeter-micron-nano multilevel structure, and can be applied to the fields of human motion monitoring, intelligent electronic skin and the like.

Through sourcing net-primary productivity additive algae-based biomass feedstock, the exclusive use of renewable energy in processing, and the appropriate formulation and processing, a novel algae-derived bio-based plastic is both carbon-negative and provides some performance advantages over existing algae-based film plastics especially with regard to optical clarity. A system may be provided that produces a carbon-negative bioplastic. The production of the bioplastic in a process chamber may be controlled by an electronic controller. The electronic controller may be controlled by a host system, such a server. The electronic controller may be configured to direct production of the bioplastic in the process chamber using hydrocolloid, which is derived from algae.

The invention provides all-bamboo-based thermosetting bioplastic as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out ball milling on bamboo powder and an alkali solution under a mixing condition; diluting the ball-milled slurry, adjusting the pH value to be less than or equal to 7 by using an acid solution, and centrifuging; and adjusting the solid content of the centrifugal slurry, forming a film, and carrying out hot press molding to obtain the all-bamboo-based thermosetting bioplastic. The technical problem to be solved is how to effectively utilize bamboo wood to prepare the all-bamboo-based thermosetting bioplastic, so that all components of the bamboo wood can be utilized, the preparation process is simple, the reaction condition is mild, the efficiency is high, and the prepared all-bamboo-based thermosetting bioplastic is excellent in comprehensive performance, good in flexibility and excellent in solvent resistance, has the tensile strength larger than or equal to 50 MPa and can be widely applied to the field of bioplastics. Therefore, the device is more practical.

The invention discloses a modified starch fiber-based degradable plastic and a preparation method thereof, and belongs to the technical field of bioplastics, citric acid is adopted to improve the interaction between starch and epoxidized soybean oil, borax is used as a cross-linking agent to further improve the compatibility between the starch and citric acid-epoxidized soybean oil oligomer, and the modified starch fiber-based degradable plastic is prepared. The modified starch fiber-based degradable plastic is obtained, finally, the degradable plastic film is prepared through a hot press molding method, the degradable plastic film has good tensile strength, elongation at break and degradation capacity, borax serves as a cross-linking agent and can be complexed with hydroxyl of starch to form a ligand, and a multi-core complex of a net structure is formed. The borax can also form a coordinate bond with hydroxyl or carboxyl of citric acid or generate a polymerization reaction, so that the compatibility of the starch and the citric acid-epoxidized soybean oil oligomer is further improved.

The present invention discloses a primary biomass fiber-pollen blended bioplastic and its preparation method and application, relating to the field of bioplastic technology. The preparation method of the bioplastic is as follows: taking natural fiber, crushing it, adding water and stirring to form a fiber suspension; taking natural pollen to clean and remove impurities and lipids on the surface, using alkali solution for stirring treatment, washing the mixed system to neutrality and filtering to remove excess water to obtain pollen microgel; mixing the fiber suspension and pollen microgel evenly to obtain a mixed slurry; applying the mixed slurry on a mold, drying and peeling it off to obtain primary biomass fiber-pollen blended bioplastic. The primary biomass fiber-pollen blended bioplastic provided by the present invention has high mechanical strength, can be easily water-shaped and water-spliced, and has good recyclability and biodegradability; its preparation method utilizes a large amount of waste or low-value-added biomass resources, has a simple process, low production cost, and less environmental pollution.

The application discloses a kind of based on cellulose ether eutectic solvent biological plastics and its synthesis method, the synthesis method by cellulose ether hydrogen bond donor and hydrophobic phenolic hydrogen bond acceptor according to predetermined mass ratio under certain temperature condition preparation cellulose ether eutectic solvent;Then homogeneous dynamic boron-oxygen bond chemical modification is carried out to cellulose ether in the eutectic solvent;Finally, add the cellulose ether eutectic solvent mixed solution containing polymerizable monomer, after two kinds of solution are mixed evenly, under certain temperature, stationary for a certain time, biological plastics can be prepared.The preparation process of the application does not need to use any initiator and catalyst, and does not involve organic solvent and VOC, process is simple, green and environmental protection, low in cost;The prepared biological plastics has excellent optical performance, mechanical property, and has the characteristics of recyclability and biodegradability.

The bioplastic additives and antimicrobial plastics include polyphenols and organic polymers. The polyphenol can be a phenol, a polyphenol, a bioflavonoid, a flavonoid, a tannin, a coumarin, a lagman, a quinone, a stilbene, or a qurcuminoidenin. The organic polymer may be chitosan, chitin, cellulose, and keratin. In an advantageous form, the polyphenol is hesperidin, and the organic biopolymer is chitosan.

There is provided a method and apparatus for processing a bioplastic that can be used in multiple industries such as, for example, food / non-food applications, apparel industry applications, retail store packaging and so forth. It is preferable that the present invention is able to enable replacement / reduction of use of conventional non- biodegradable plastic originating from petrochemicals.

To provide a resource collection system for promoting collection of plastic waste which is a resource to be recycled.SOLUTION: A resource collection system includes a processor. The processor displays location of a collecting box for collecting plastic waste, biomass plastic waste, or biodegradable plastic waste made from recyclable materials as resources on a user terminal's map. When the processor confirms that a resource has been correctly inserted into the collecting box by the user holding the user terminal, it executes a process of providing a reward to the user for the insertion of the resource.SELECTED DRAWING: Figure 1

The invention relates to the field of biodegradable high polymer materials, and discloses a bio-based packaging material with an anti-oxidation effect and a preparation method of the bio-based packaging material. 40 to 60 parts of polyhydroxyalkanoate; 10-20 parts of a composite antioxidant filler; the composite antioxidant filler is prepared by the following steps: (a) crushing sodium bentonite until the specific surface area is 45-55 m < 2 > / g and the particle size distribution D90 is less than or equal to 10 microns; (b) mixing bentonite powder and water according to the ratio of 1kg: 5L to form dispersion liquid with the solid content of 18%, and adding 0.3% sodium hexametaphosphate dispersing agent; (c) adding cerium nitrate; and (d) heating the product to 1050 DEG C at a speed of 8 DEG C / min, and calcining for 2 hours. Through the intercalation structure of the bentonite-based composite filler, an inorganic antioxidant component is organically combined with a bio-based polymer matrix, so that a breakthrough in long-acting oxidation resistance is realized in a completely biodegradable polylactic acid / polyhydroxyalkanoate system, and the technical bottleneck that traditional bioplastics are easy to oxidize and degrade is solved; and a sustainable solution is provided for green packaging materials.

[Problem] To provide a metal carbide and a method for producing a metal carbide with which a bioplastic raw material can be relatively inexpensively and stably supplied. [Solution] One aspect of the present invention provides a metal carbide having a biomass degree of 0.01% to 100% as measured by the 14C isotope measurement method defined in ASTM D6866.

The present disclosure relates to a novel polycarbonate-based polymer capable of controlling the biodegradation rate by various methods including biodegradation OFF-ON, and an application thereof. The polycarbonate-based polymer according to an embodiment of the present disclosure can be applied as a drug carrier, a moisture superabsorbent biodegradable material, an environmentally friendly biodegradable material, and the like. Additionally, the hydrophobic polycarbonate-based polymer according to an embodiment of the present disclosure can block (OFF) the biodegradation of a biodegradable material with a hydrolysis mechanism until a desired time point and trigger (ON) the biodegradation at a desired time point, so that the biodegradable OFF-ON material containing the hydrophobic polycarbonate-based polymer can be applied to drug delivery, biodegradable medical devices for human transplantation, biodegradable devices for environmental monitoring, bioplastics, transient electronics, and the like.

A composite material and method can include a bioplastic film, the bioplastic film including a first surface and a second surface, wherein the first surface denotes an inner facing surface and the second surface denotes an exterior facing surface. The bioplastic film can include a polypeptide-based or polysaccharide-based biopolymer, or a mixture of polypeptide-based and polysaccharide based biopolymer, and a bioplasticiser substance. An inner product-facing surface of the bioplastic film can include a coating that includes alpha-eleostearic acid as a major component. Further provided are products containing the material and their uses in the fields of packaging, coatings and ink-printable substrates.

The present invention pertains to biodegradable materials and their applications in the medical and industrial sectors, particularly for disposable devices made from bioplastics. These devices are designed for use in medical diagnostics, surgical procedures such as Post-operative catheters, drains, catheters, disposable gloves, caps, overshoes, surgical table covers, disposable pipette tips, injection materials, and industrial operations such as condoms, vaginal speculums, specimen containers, measuring cups, urinals, and medical bands and as industrial purpose with garbage bags, disposable straws, refrigerator bags, stretch film, food preservation bags, clothing bags, shopping bags, hamburger sandwich bags, vegetable preservative bags, providing a biodegradable alternative to conventional petrochemical-based plastics. Furthermore, the invention offers methods for the environmentally responsible disposal of these devices via sterilization, shredding, and industrial composting. These bioplastics are formulated with plasticizers and additives to improve mechanical strength, flexibility, and thermal stability. The invention addresses both the production of high-performance bioplastic devices, such as syringes, sharps containers, suction canisters, and packaging materials, and methods for environmentally responsible disposal through sterilization, shredding, and industrial composting. The bioplastics used in this invention degrade within 12 months under composting conditions.

The present invention relates to an efficient process aimed at recycling material from the food industry, preferably from the fish industry, such as, for example, that extracted from fish skin, so as to realise a general, at least partially circular and sustainable process concerning consumer goods comprising a bioplastic film.

The invention relates to a method for rapidly synthesizing polyhydroxyalkanoate based on segmented feeding oxygen-limiting mixed flora, and belongs to the technical field of solid waste resource utilization. According to the method disclosed by the invention, the functional flora is obtained from the activated sludge through a limited oxygen condition and a feeding mode of separately adding the carbon source and the nutrient solution, so that the synthesis rate of the polyhydroxyalkanoate in a traditional sequencing batch reaction device is effectively improved. In addition, the stability of the polyhydroxyalkanoate synthesized by the functional flora is verified by prolonging the culture time, and the result shows that the polyhydroxyalkanoate can be rapidly and stably synthesized by the functional flora screened under the limited oxygen condition in a sectional feeding mode. The method not only improves the synthesis efficiency of polyhydroxyalkanoate and reduces the production cost, but also has important industrial application value. Through further optimization and large-scale application, the method is expected to play a key role in the fields of environmental protection and bioplastic production.

A method and apparatus for generating electricity using an electrochemical dual-pole fuel cell with a coiled aluminum wire disc as the anode, dual air-cathodes, and dual bioplastic electrolyte discs. The invention teaches the use of inexpensive materials and simplified dual-pole fuel cell construction and assembling of fuel cells into modules, and modules into electricity generators.

This invention relates to an efficient process designed to recycle materials from the food industry, preferably fisheries, such as materials extracted from fish skin, thereby enabling a universal, at least partially recyclable and sustainable process for consumer products, including bioplastic films.

The invention relates to the technical field of bioplastics, in particular to a quickly degradable bioplastic and a preparation method thereof, and the raw material formula comprises the following components in parts by weight: 40-70 parts of modified starch, 30-60 parts of biodegradable polymer, 3-8 parts of biodegradation accelerator and 1-8 parts of functional additive. The water-sensitive enzyme microcapsule accelerator is matched with a synergistic degradation structure of the modified starch and the polycaprolactone, so that a coating structure sodium alginate of the water-sensitive microcapsule is kept stable in a dry storage or use environment, and degradation is prevented from being started in advance; and in a wet or compost environment, water molecules rapidly penetrate through the surface layer of the material to trigger the microcapsule to be broken, and the released alpha-amylase and candida antarctica lipase B synchronously start the enzymolysis reaction of starch hydroxyl and polycaprolactone ester bonds from the interior of the material, so that the degradation process is uniform and thorough, and no refractory residues exist.

To provide acetylene utilizable as a raw material for various bioplastics while reducing loads on the environment, to provide a method for producing the acetylene, and to provide an acetylene derivative.SOLUTION: According to an aspect of the present invention, there is provided acetylene, wherein the acetylene contains carbon atoms derived from biomass.SELECTED DRAWING: None

The present invention relates to a process for reusing a polymer composition comprising at least one biodegradable polyester, starch and / or additives, comprising the steps of: (1) contacting said biodegradable polymer composition with a first solvent comprising from 50 to 100% by weight of cyclopentanone, obtaining a liquid fraction comprising at least one biodegradable polyester and a solid fraction comprising insoluble starch and / or additives; (2) separating said liquid fraction comprising at least one polyester from said solid fraction; (3) at least partially removing said first solvent from said liquid fraction; (4) reusing the polyester obtained from said liquid fraction in a polymerisation or thermoplastic transformation process, thereby obtaining a biodegradable polymer composition. Biodegradable polyesters obtained by means of the said reutilisation process, biodegradable polymer compositions comprising them, and biodegradable articles obtained therefrom constitute further objects of the invention.

The application provides a protein biological plastic and a preparation method and application thereof. The protein biological plastic is prepared by using zein, natural silk micro-nano fiber and a small amount of plasticizer as raw materials to configure a composite slurry, and then using a film coating process. The application greatly improves the mechanical property of the zein film by compounding the natural silk micro-nano fiber with the zein film. In addition, the addition of the silk micro-nano fiber improves the film coating property of the zein composite slurry, so that the large-scale film coating preparation of the protein biological plastic is realized. The raw materials used in the application are all biodegradable, non-toxic and harmless materials, and the reaction process does not involve complex chemical reactions. The protein biological plastic has excellent mechanical property and can be used in the fields of packaging, special paper, coating finishing and the like.

The application discloses a seabuckthorn peel residue-based degradable biological plastic film and a method and application thereof, and belongs to the technical field of biodegradable polymer materials. The seabuckthorn peel residue is used as raw material, the seabuckthorn powder is obtained through sugar removal and drying, crushing and screening, high-purity seabuckthorn cellulose is obtained through multistage synergistic purification processes of ethanol ultrasonic extraction, enzymatic hydrolysis, alkali refining and neutralization and water washing, the cellulose is prepared into an aqueous solution, glycerol and a natural gelling enhancer are compounded, uniform film forming slurry is obtained through stirring and ultrasonic homogenization, and finally, the biological plastic film is prepared through casting and drying molding. The cellulose concentration and the type of gelling agent are regulated to adjust the mechanical properties, light transmission and water resistance of the film. The obtained film has good formability, is safe and non-toxic, can be completely biodegraded in soil, is green and environment-friendly, is suitable for various green degradable packaging material fields, and realizes high-value utilization of seabuckthorn peel residue resources.

The present article is a packaging container made of a thermoplastic resin or a mixed material containing a thermoplastic resin, pulp, talc, or bioplastic, for packaging food such as prepared meals or boxed lunches sold at supermarkets or convenience stores, and may include a container body for containing food and be closed with a predetermined lid. For example, the present article may be the container body described above, and the lid is made of a heat-shrinkable film that wraps around the entire container body, and is suitable for packaging in which the heat-shrinkable film wraps the container body into a cylindrical (pillow) shape while the container is moved horizontally (sideways), and the heat-shrinkable film shrinks (shrinks) the container body by blowing hot air onto the container body. Alternatively, the present article may be a container made of an elastic wrap material that wraps the container body while the container is moved horizontally or vertically, and is suitable for packaging in which the wrap material generates tension and the container body wraps the container body (wrap packaging), and includes a bottom, side walls, and a flange. As shown in the plan view, the outer edge of the bottom and the side surfaces of the side walls are curved inward, and the outer edge of the flange is bulged outward. Furthermore, as shown in the end view, the top surface of the flange is rounded. The portion for which the design is sought extends from the outer edge of the flange to a flat area slightly inward from the outer edge of the bottom. The top surface of the flange not only serves the function and purpose of preventing the heat-shrinkable film or wrapping material from tearing, but also includes the most inwardly curved portions of the outer edge of the bottom and the side surfaces of the side walls, and the most outwardly bulged portions of the outer edges of the flange, thereby maintaining the original shape of the article against the inward stresses imposed on it during lateral flow pillow shrink packaging or wrap packaging.

A push-up soap dispenser includes a housing configured to house a bar of soap; a movable bottom panel configured to be movable from the bottom end of the housing towards the top end of the housing; a pressure fit opening proximate to the top end of the housing; a cap configured to attached to the top end of the housing via the pressure fit opening; and a flange connected to a side of the push-up soap dispenser housing. The flange includes a connection hole located in the flange configured to connect to a hanging apparatus. The push-up soap dispenser may be fabricated using plastics, bioplastics, cardboard, or GEX materials.

The application discloses a kind of biological plastic bag inside directional water and fertilizer conservation drought sandy land seedling transplanting and keeping alive method, by preparing thermoplastic biological material and processing formation biological plastic bag, using microorganism, bacteria has sensitivity to biological plastic bag and the characteristics of bag body and insoluble in water, it is placed in tree planting pit, mixed organic matter fertilizer, water retaining agent etc. to plant growth promoting substance, realize directional water and fertilizer conservation, guarantee seedling growth initial period required water and nutrient, after seedling root system can penetrate biological plastic bag and go down to the water layer in pit, biological plastic bag will also degrade naturally, at this time, no need artificial intervention.The application is suitable for haloxylon ammodendron, red willow, date palm tree and other various plants suitable for drought sandy land growth, can effectively solve the technical problems of low survival rate of drought sandy land seedling transplanting, water and nutrient loss fast, realize wind prevention and sand fixation, beautify environment, promote economic growth and the comprehensive benefits of grower income increase.

The present invention provides a method for manufacturing bioplastic using coffee grounds and bioplastic manufactured thereby, the method comprising the steps of: mixing coffee grounds with an inorganic additive and drying same to produce dried coffee ground powder; mixing the dried coffee ground powder with a resin composition to produce a plastic mixed composition; and extruding or injection molding the plastic mixed composition.

A solid lignocellulosic bioplastic can be formed from a biomass comprising an intertwined structure of lignin, hemi-cellulose, and cellulose. The lignin in the biomass can be dissolved such that the cellulose is fibrillated. After the lignin dissolution and cellulose fibrillation, the lignin can be regenerated in situ. The regenerated lignin can be deposited on and can form hydrogen bonds between the fibrillated cellulose, so as to form a slurry of lignin-cellulose solids in solution. The slurry can then be dried to form the bioplastic. In some embodiments, the lignin is dissolved by immersing the biomass in a first chemical. The lignin can then be regenerated in situ by addition of a second chemical to the first chemical.

A method and apparatus for generating electricity using an electrochemical cell with a thin aluminum wire as the anode, oxygen extracted from ambient air as the cathode, and a bioplastic electrolyte. The invention teaches the use of inexpensive materials and simplified fuel cell construction and assembling of cells into modules, and modules into ultra-low-cost electricity generators.

The present invention relates to an additive for a surface for the ground of a sports facility, the additive comprises a bioplastic, wherein the bioplastic comprises a hemp plastic fibre.