56 results about "Bioplastic" patented technology

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.

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.

[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.

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.

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 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.

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.

This invention relates to a method for reusing a biodegradable polymer composition comprising a polyester mixture in polymerization. The method comprises the following steps: 1) reacting the polymer composition with water at a temperature above the melting temperature of at least one of the polyesters to obtain a depolymerization product comprising a mixture of monomers and / or oligomers of the polyester; 2) separating portions containing impurities and / or fillers from the depolymerization product; and 3) polymerizing the monomers and / or oligomers in an amount from 1% to 100% by weight relative to the polymerized mixture to obtain a biodegradable polymer composition. A further object of the invention is a polymer obtained by the aforementioned reuse method, a biodegradable polymer composition comprising the polymer, and biodegradable articles obtained from the composition.

The present invention introduces an innovative approach for the manipulation of microorganisms to generate colored bioplastics. This is achieved by concurrently expressing genes responsible for pigment production and genes involved in bioplastic synthesis within a microbial host. These genes can be synthesized, obtained from a different host through cloning, or naturally occurring within the host organism. The resultant color compounds become encapsulated within the extended bioplastic polymers within the cells, resulting in the formation of naturally pigmented bioplastics.

The present invention relates to an injection moulded biodegradable component comprising: a) 60 to 99 wt% of a biodegradable film-grade bioplastic; and b) 1 to 40 wt% of filler comprising a biodegrada

The application discloses a kiwi fruit residue-based pectin / cellulose composite slow-release antibacterial fresh-keeping bioplastic and a preparation method and application thereof, and belongs to the technical field of food fresh-keeping packaging materials. Kiwi fruit residue powder is dispersed in a water-ethanol mixed solution, centrifugal separation is carried out, the upper clear liquid is collected as a pectin enrichment liquid, and the lower solid is collected as a crude cellulose residue; hemicellulase is added to the water solution of the crude cellulose residue for enzymolysis, centrifugal separation is carried out, and the solid residue is collected to obtain an activated cellulose skeleton; an antibacterial agent is added to the activated cellulose skeleton and uniformly mixed to obtain a cellulose skeleton rich in the antibacterial agent; the cellulose skeleton rich in the antibacterial agent is uniformly mixed with the pectin enrichment liquid from which water is removed, cooled, ultrasonically treated, flow-cast formed, and dried to obtain a kiwi fruit residue-based pectin / cellulose composite slow-release antibacterial fresh-keeping bioplastic film. The film can solve the problems of petroleum-based plastics, such as difficult degradation, poor mechanical property of ordinary bioplastics, single fresh-keeping function and easy loss of antibacterial components.

A carbon-sequestering algal bioplastic, comprising polyhydroxyalkanoate (PHA), sodium alginate, and biochar.

Described herein are bioplastic polymers or compositions or articles comprising the bioplastic polymers. A bioplastic polymer or composition includes at least one polycaprolactone (PCL) and at least one bioplastic. The bioplastic polymers or compositions described herein have increased / enhanced degradation / biodegradation properties, such as marine degradation / biodegradation properties (e.g., aerobic biodegradation and / or biodegradation in seawater) relative to at least one bioplastic alone. Further described herein are methods of making bioplastic polymers or compositions. The method comprises blending or mixing at least one PCL and at least one bioplastic to prepare a PCL-bioplastic blend or mixture; and blending the PCL-bioplastic blend or mixture to produce a bioplastic polymer or composition.

A method for manufacturing a rice-based thermoplastic bioplastic according to an embodiment of the present invention may comprise: a drying step of drying pre-prepared rice; a pulverizing step of pulverizing the dried rice into powder; a mixing step of mixing the powdered rice, a thermoplastic resin, and a modifier to prepare a rice-modified mixture; an extrusion step of extruding and compounding the rice-modified mixture to prepare rice-based thermoplastic bioplastic pellets; and a molding step of molding the prepared rice-based thermoplastic bioplastic pellets to have a preset product shape.

The present invention relates to an apparatus and a process for producing ethanol from a heterogeneous mixture of bioplastic waste and halogen waste.

Embodiments of a disposable medical device including a medical sharp (e.g., an injection needle or lancet blade) are described herein. These dissolvable sharps can be destroyed by treatment with weak acids, including non-toxic weak acids common in ordinary families, thereby facilitating safe disposal thereof in household garbage. Other components constituting these disposable disposable medical devices include bioplastics and other environmentally friendly materials that can be composted or rapidly degraded.

This application provides a calcium phosphate ion cluster, a composite bioplastic film, its preparation method, and its application. The preparation method of the calcium phosphate ion cluster includes: adding sodium tripolyphosphate solution to a calcium chloride solution, adjusting the pH to 9-11, then adding trisodium phosphate solution, maintaining the pH at 9-11, and stirring for 1-3 hours to obtain the calcium phosphate ion cluster. In the bioplastic preparation process, by modifying the surface of the calcium phosphate ion cluster onto the hydroxyl groups of bacterial cellulose to form a functionalized composite fiber, and then adding sodium alginate to the composite fiber, a composite structure is finally constructed with bacterial cellulose as a rigid skeleton, sodium alginate as a flexible network, and calcium phosphate ion cluster as a buffer bridge. This increases the strength by 75% and the toughness by 300% compared to pure bacterial cellulose, exhibiting excellent fracture strength and fracture toughness.

The present disclosure relates to a DNA-based biodegradable resin composition. The DNA resin composition prepared by combining DNA as a polymer and Bipyridine-based compound as a flocculant has excellent physical properties and biodegradability, so it can be used as a bioplastic material.

The invention belongs to the technical field of agriculture and new materials, and discloses a bioplastic film with agricultural waste as a raw material and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing a solvent system and biomass, heating and stirring, adding distilled water and a biopolymer, and magnetically stirring; homogenizing, filtering in vacuum, and repeatedly washing with distilled water; and pouring the composite slurry on a flat substrate by adopting a tape casting method, putting the substrate into a drying oven to evaporate water until the weight is constant, and naturally cooling to obtain the composite slurry. According to the bioplastic film process, agricultural waste is used as a raw material, lignin is dissolved in a solvent system, cellulose is defibrillated, and a uniform and compact film network is formed in one step through lignin regeneration induction and hydrogen bond, hydrophobic and electrostatic multiple self-crosslinking between biomass molecules; under the optimized temperature-time coupling condition, the obtained film shows certain mechanical strength, flexibility and water stability, and self-assembly film forming between biomass molecules is achieved.

The application discloses a comprehensive utilization method of Solidago decurrens, which comprises the following steps: (1) collecting flowers, leaves, stems and roots of Solidago decurrens respectively; (2) drying the collected stems, and then classifying the stems into thick stems and thin stems according to the outer diameters, taking flocculence in the center of the thick stems and the thin stems respectively, making a straw from the hollow thin stem, and making a pencil from the hollow thick stem and the flocculence; and extracting effective components from the flowers and the leaves, and using residues and unused parts to produce biochar. The application realizes a comprehensive management method of utilizing the whole plant, and obtains various products with practical values through different processing methods, so that each part of the whole plant is fully utilized, resource utilization is maximized, the prepared bio-plastics can be used for preparing a film and also used as a green adhesive, the stems of the herbaceous plant are used as the outer wall of the pencil, the prepared pencil does not consume forest resources, and the economic value of Solidago decurrens is improved.

This invention discloses a Peak racket made of wood fiber reinforced composite material and its preparation method, belonging to the field of sports equipment manufacturing. The racket surface uses softwood fiber, hardwood fiber, or nanocellulose fiber as the reinforcing phase, combined with biodegradable bioplastics, natural resins, and other matrix materials, and is manufactured through hot pressing, winding / layout, or 3D printing processes. This invention uses renewable wood fiber raw materials, resulting in a low carbon footprint and biodegradability, aligning with environmental protection principles. The product combines lightweight, high specific strength, and excellent damping performance, providing good vibration absorption, comfortable and stable use, while retaining the aesthetic appeal of natural wood grain. The manufacturing process is flexible and adaptable to different needs, enabling mass production or personalized design. The raw materials are readily available, and the process is mature, facilitating industrial promotion and effectively solving the problem of balancing environmental friendliness, performance, and aesthetics in existing rackets.