287 results about "Biodegradable plastic" patented technology

The invention discloses a bamboo powder-containing biodegradable plastic for food contact and a preparation method thereof, and relates to the technical field of bio-based materials. The bamboo powder-containing biodegradable plastic for food contact comprises chitosan starch and modified bamboo powder, the chitosan starch is prepared by adding composite chitosan and amino-terminated polyethylene glycol into oxidized corn starch, and the composite chitosan is prepared by grafting chlorogenic acid on the surface of chitosan and then coating succinic anhydride derivatives. The succinic anhydride derivative is prepared from dodecenyl succinic anhydride and 1, 4-butanediamine through a reaction, so that the plastic has the antibacterial property, and meanwhile, the mechanical property is enhanced; the modified bamboo powder is prepared by reacting bamboo powder with a carboxyl-terminated composition, and the carboxyl-terminated composition comprises carboxyl-terminated polylactic acid and carboxyl-terminated polyamide. The toughness of the plastic is enhanced, and the mechanical property of the plastic is further enhanced.

The invention discloses a biodegradable plastic and a preparation method thereof, belongs to the field of bioplastic preparation, and aims to solve the problem that the existing plastic is slow in degradation rate in a marine environment. The biodegradable plastic is prepared from the following components in percentage by weight: 50-80% of a biomass-based high polymer material; 10 to 35% of a degradable toughening agent; 1-5% of a photosensitizer; 2-10% of a microbial inducer; 1-5% of a processing aid; after the biomass degradable plastic is subjected to ultraviolet radiation for 7-15 days in a marine environment, initial cracks with the density being larger than or equal to 20 pieces / cm < 2 > appear on the surface, the initial cracks are broken into degradation units with the particle size being 5-20 mm after being subjected to mechanical impact of sea waves for 30-60 days, and the biological decomposition rate of the degradation units is larger than or equal to 90% within 6-12 months under the action of marine microorganisms; and no micro-plastic particles with the particle size of less than or equal to 1mm exist in the residual product. Through the synergistic effect of the photosensitizer and the microbial inducer, the degradation period in the marine environment is shortened, the degradation efficiency is improved, and the method is remarkably superior to the prior art.

The invention discloses a compound yeast agent for anaerobic degradation of biodegradable plastics. The compound yeast agent comprises the following components in percentage by mass: 0.5-3% of fenpropathrin, 1-6% of nitrite, 1-4% of ammonium molybdate, 5-10% of PLA, 5-10% of nano starch, 3-6% of nano calcium carbonate, 1-5% of carbamide and the balance of a biodegradable resin carrier. The production method comprises the following steps: 1, dispersion treatment; 2, centralization processing; 3, carrying out structured treatment; 4, carrying out carrier implantation treatment; and 5, plasticizing and granulating. The compound yeast agent is added into the plastic, and the addition amount is 1-5%, so that the anaerobic degradation plastic is formed. According to the invention, anaerobic degradation can be regulated and controlled, and more importantly, anaerobic degradation also realizes that the degradable plastic disclosed by the invention is in a normal use condition, the plastic cannot be degraded quickly in light and oxygen environments, the aging property of the plastic is equivalent to that of a resin matrix of the plastic, and the physical and mechanical properties are ensured.

The invention relates to the field of plastic bags, and discloses a biodegradable plastic bag and a preparation method thereof, the biodegradable plastic bag comprises polylactic acid, poly (butylene adipate-co-terephthalate), a functional additive, modified starch, a lubricant and an antioxidant; the functional additive is prepared by grafting hydroxylated modified castor oil and isocyanated montmorillonite loaded titanium dioxide; the hydroxylation modified castor oil is prepared by modifying castor oil with chloroethyl isocyanate, then reacting with N-allylimidazole, and then reacting with 6-mercaptohexyl-1-alcohol; the isocyanated montmorillonite loaded titanium dioxide is prepared by reacting montmorillonite loaded titanium dioxide obtained by a sol-gel method with isophorone diisocyanate; the modified starch is prepared by reacting octadecanoyl chloride and acryloyl chloride with starch, then carrying out graft copolymerization with ethyl acrylate and further introducing glycidyl methacrylate, so that the plastic bag is endowed with excellent mechanical properties, biodegradability and antibacterial property.

A fully recyclable container and a method of manufacturing the same is provided. The container includes a cap, a shoulder, a body, a base, and a liner. The cap, the shoulder, and the base are made of biodegradable plastic by injection molding while the body is made of waterproof paper. The cap, the shoulder, and the base are detachably connected to form a housing of the container. The liner is formed inside the housing by blow molding of biodegradable plastic. The respective components of the container are completely made of biodegradable or bio-decomposable material and able to be disassembled for sorting and recycling. Thereby the fully recyclable container completely meets requirements of environmental protection and recycling.

The invention relates to a preparation method and application of a polyamide surface functionalized polyvinyl alcohol fiber, and belongs to the technical field of biodegradable fibers. According to the method, polyamide is grafted to polyvinyl alcohol fibers through a two-step method. The preparation method comprises the following steps: grafting carboxyl onto the surface of the polyvinyl alcohol fiber through succinic anhydride grafting modification, and further grafting 5-aminoisophthalic acid onto the surface of the polyvinyl alcohol fiber through amidation reaction. The polyamide surface-functionalized polyvinyl alcohol fiber prepared by the method has excellent performance, and the maximum pull-out load and the corresponding pull-out strength of the polyamide surface-functionalized polyvinyl alcohol fiber in a biodegradable plastic film are obviously superior to those of unmodified polyvinyl alcohol fiber or polyvinyl alcohol fiber subjected to surface modification by using succinic anhydride alone; particularly, the maximum pull-out load and the corresponding pull-out strength of the modified fiber in the biodegradable plastic film after the modified fiber reacts at 40 DEG C for 1.5 h reach the maximum value, and the whole biodegradable plastic after fiber reinforcement still keeps the biodegradable performance. As a method for regulating and controlling the interface bonding force between the polyvinyl alcohol fiber and a biodegradable plastic matrix, the method is expected to be applied to preparation of biodegradable efficient reinforced fiber, and the application prospect of the polyvinyl alcohol fiber is improved.

The invention relates to the technical field of organic solid waste resourceful treatment, in particular to a method for enhancing degradation of biodegradable plastic compost based on white-rot fungi and manganese modified charcoal. According to the method, manganese modified charcoal and white-rot fungi are subjected to synergistic treatment, and the efficient method for intensively degrading the biodegradable plastic through aerobic composting is constructed. The method effectively overcomes the technical bottlenecks of slow degradation starting, long degradation period and easy generation of micro-plastic residues of the biodegradable plastic in traditional compost, and realizes rapid and thorough degradation of the biodegradable plastic. Besides, the method also promotes the conversion of humus precursor substances in the compost material and accelerates and stabilizes the synthesis of humus, so that the decomposition degree of the compost product is remarkably improved, and the quality and environmental safety of the final compost product are synchronously improved while the biodegradable plastic is efficiently degraded. And an efficient and reliable solution is provided for recycling of organic solid wastes and degradation of biodegradable plastic compost.

The invention discloses a bamboo powder reinforced and replaced biodegradable plastic and a preparation method thereof, and belongs to the technical field of biodegradable plastics. Comprising the following raw materials in parts by weight: 10-20 parts of modified bamboo powder, 45-55 parts of PBAT resin, 30-40 parts of polylactic acid, 3-5 parts of modified humic acid filler, 5-8 parts of epoxidized soybean oil, 0.3-0.5 part of an antioxidant, 0.3-0.6 part of a light stabilizer, 4-6 parts of a compatilizer and 0.3-0.5 part of an epoxy chain extender. According to the bamboo powder reinforced and replaced biodegradable plastic and the preparation method thereof, the modified bamboo powder and the humic acid filler are compounded with the PBAT, the polylactic acid and other raw materials, so that the cost is reduced and the environmental protection property is improved by utilizing the bamboo powder, the humic acid and other renewable resources, and the compatibility with a matrix is enhanced through modification; the antioxidant, the light stabilizer and the like are matched, so that the mechanical property is improved, and multiple advantages of low cost, high performance and degradability are realized.

An environmentally friendly fresh-keeping can and a method of manufacturing the same are provided. The environmentally friendly fresh-keeping can includes a housing, an inner container, an easy-open lid, and a bottom cover. The housing, the inner container, the easy-open lid, and the bottom cover are respectively made of a spiral paper tube, bio-based polyethylene 2,5-furanoate (PEF), aluminum, and biodegradable plastic. The inner container is mounted into the housing through an inner opening on a top of the inner container. Then the easy-open lid and the bottom cover are respectively used to seal the inner opening of the inner container and a bottom opening of the housing. The respective components are made of biodegradable, recyclable and reusable materials and able to be disassembled for recycling and reuse. Thereby the can meets requirements for environmental protection and recycling.

The present invention relates to a hot-melt adhesive composition comprising a biodegradable plastic, a thermoplastic polymer, a tackifier and a plasticizer, wherein the biodegradable plastic includes polyhydroxyalkanoate (PHA). The hot-melt adhesive composition according to the present invention has lower viscosity and higher adhesiveness compared to a petroleum-based hot-melt composition, and can be used as an eco-friendly hot-melt adhesive composition having physical properties corresponding to an excellent recycling criteria grade under recyclability assessment criteria.

The invention discloses a micro-plastic degrading bacterium P.ataveovii and application thereof, and belongs to the technical field of microorganisms. According to the invention, a strain of Priestia aryabhattai BK12 is separated and screened from plastic wastes, and the plastic degradation capability of the Priestia aryabhattai BK12 is deeply explored. A research result shows that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), and the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), so that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate). The invention provides a new microbial resource for the development of a plastic degradation agent, contributes to promoting the development of a biodegradable plastic technology and solving the problem of environmental pollution caused by PET, and assists in realizing the goal of green and sustainable development.

The invention provides a container capable of being completely recycled and a manufacturing method thereof. The container structurally comprises a bottle cap, a bottle shoulder, a bottle body, a bottle bottom and an inner container. The bottle cap, the bottle shoulder and the bottle bottom are made of biodegradable plastic and are manufactured through an injection molding technology; the bottle body is made of waterproof paper; the bottle cap, the bottle shoulder, the bottle body and the bottle bottom are detachably combined to form a shell structure of the container, and the inner container is formed in the shell structure through biodegradable plastics in a blow molding mode. All parts of the container capable of being completely recycled are made of biodegradable or degradable materials, and all the parts can be disassembled, classified and recycled, so that the requirements of environmental protection and recycling are completely met.

To provide a new microorganism capable of decomposing biodegradable plastic, especially polylactic acid (PLA) or polybutylene adipate terephthalate (PBAT).　The microorganism according to the present disclosure belongs to the family Bacillaceae, and has been deposited under Accession No. NITE BP-04083.

To provide a new microorganism capable of decomposing biodegradable plastic, especially polylactic acid (PLA) or polybutylene adipate terephthalate (PBAT).SOLUTION: The microorganism according to the present disclosure belongs to the family Bacillaceae, and has been deposited under Accession No. NITE BP-04083.SELECTED DRAWING: Figure 3

The invention relates to the technical field of degradable plastics, in particular to a preparation process of a PET polyester degradable plastic sheet. The PET polyester degradable plastic sheet is prepared from the following raw materials in parts by mass: 80 to 140 parts of PET resin, 10 to 30 parts of PBAT resin, 5 to 15 parts of polylactic acid, 5 to 15 parts of degradation aid, 10 to 30 parts of inorganic filler, 1 to 3 parts of graphene oxide, 1 to 2 parts of zinc nitrate, 0.1 to 1 part of 2-methylimidazole, 1 to 3 parts of antioxidant, 10 to 20 parts of flame retardant, 1 to 3 parts of stabilizer and 1 to 2 parts of lubricant. The flame-retardant anti-dripping PET material has the advantages that the flame-retardant anti-dripping effect of the PET material can be obviously improved, the good mechanical property is kept, the biodegradability is obvious, and the market benefit and the social benefit are wide.

The invention discloses a marine land full-natural-domain biodegradable plastic and a method for preparing the biodegradable plastic, and relates to the technical field of biodegradable plastics. Polyhydroxyalkanoate, polylactic acid and poly (butylene succinate) are used as main matrixes of the material, modified alginate gel is innovatively introduced, and the biodegradable plastic is prepared. The gel has photo-thermal and ionic characteristics, and under the condition of land illumination, the photo-thermal effect of the quantum dots triggers the gel to shrink and release lipase to accelerate hydrolysis; in a marine environment, sodium ion replacement promotes gel to be disintegrated and continuously releases enzyme molecules, the gel, matrix resin, natural fibers and a plasticizer are subjected to twin-screw melt blending extrusion, and the biodegradable plastic is prepared. The technical problems of response lag, insufficient enzyme activity protection and low degradation efficiency of traditional biodegradable plastics in a complex natural environment are effectively solved, and self-adaptive efficient degradation in sea and land environments is realized.

The invention discloses a probiotic agent for anaerobic biodegradable plastics, a preparation method of the probiotic agent and biodegradable plastics, the probiotic agent takes PBAT as a carrier material and nano starch, PLA, nano calcium carbonate, carbamide and nano fumed silica as probiotic materials, and probiotic particles are formed through multiple mixing and plasticizing granulation. According to the invention, anaerobic degradation can be regulated and controlled. More importantly, anaerobic degradation also realizes normal use of the degradable plastic, the plastic cannot accelerate degradation in light and oxygen environments, the aging property of the plastic is equivalent to that of a resin matrix of the plastic, and the physical and mechanical properties are ensured.

The invention discloses a biodegradable sewage treatment filler as well as a preparation method and application thereof, and belongs to the technical field of biological sewage treatment, the novel sewage treatment filler is prepared from biodegradable plastics PCL and TPS, the rapid degradation and denitrification nitrogen removal performance of a biodegradable material in the sewage treatment denitrification process is enhanced, and the biodegradable sewage treatment filler belongs to the technical field of biological sewage treatment. Due to the small contact surface between the filler and the bottom and sufficient disturbance, various pollutant degrading microorganisms, PCL efficient degrading microorganisms and the like can be more effectively gathered in a biological treatment reaction tank of a sewage treatment plant, so that efficient utilization of biodegradable materials and a low-carbon denitrification process of sewage microbiological treatment are realized; meanwhile, the filler is used as a slow-release carbon source, so that the rapid carbon source adding amount of a sewage treatment plant is effectively reduced, the cell yield is relatively low, and the effects of reducing sludge, reducing the operation and maintenance cost and the like can be achieved. In addition, PCL is decomposed faster in a sewage treatment system than in a natural habitat, and the natural degradation process of biodegradable materials can be further accelerated.

The invention discloses a biodegradable plastic tray and a preparation method thereof.The method comprises the steps that S1, appropriate plastic raw materials are selected according to the use requirement of the tray, the plastic raw materials are dried, moisture and volatile matter in the raw materials are removed, the plastic raw materials and an additive are fully stirred and mixed through a stirrer, and a mixture is obtained; and the additive is uniformly dispersed in the plastic raw material. According to the biodegradable plastic tray and the preparation method, different raw materials, equipment and the like are selected according to different tray requirements and design specifications, quality detection is conducted on the tray in the preparation process, and the production quality of the tray is improved; and intelligent monitoring and predictive maintenance of the production equipment are realized through the intelligent monitoring module, so that the failure shutdown time of the equipment is shortened, and the production continuity is improved.

SOLUTION: A fully recoverable container and a manufacturing method thereof are proposed. A structure of the container includes a cap 10, a shoulder 20, a body 30, a bottle bottom 40, and a liner 50. The cap, the shoulder, and the bottle bottom are manufactured using biodegradable plastic through an injection molding technique, and the body is manufactured using waterproof paper. The cap, the shoulder, the body, and the bottle bottom are assembled so that a housing structure of the container can be detachably attached. The liner 50 is molded inside the housing structure using biodegradable plastic by a blow molding method.EFFECT: All members of a fully recoverable container are made of biodegradable materials, and each part can be decomposed and separately recovered, fully satisfying the requirements for environmental protection and recovery.SELECTED DRAWING: Figure 2

The application discloses a kind of lignin modified PBS biodegradable plastics and preparation method thereof, belong to biodegradable technical field.The lignin modified PBS biodegradable plastics includes the following mass parts of components:PBS 100 parts, acetic ether fractionated lignin 5~10 parts.In the application, hydrogen bond is formed between the polar functional group of acetic ether fractionated lignin and PBS, and the low molecular weight reduces the steric hindrance and chain length in the process of stretching, reduces the agglomeration of lignin, improves the compatibility of lignin and PBS, and further improves the mechanical properties of PBS composite material, greatly improves the ductility of PBS.The lignin modified PBS biodegradable plastics provided by the application has good mechanical properties, ultraviolet resistance, antibacterial property, light-heat conversion performance and light-heat antibacterial performance.The preparation method is simple, low energy consumption, low toxicity, and the solvent can be recycled, which saves resources and energy to a certain extent, and responds to the goal of green and sustainable development.

The invention relates to a P-N synergistic chitosan bio-based flame retardant and a preparation method thereof.The preparation method comprises the steps that chitosan is heated and dissolved in an acetic acid solution, nitrogen is introduced, an initiator is added, then a DOPO derivative with double bonds at the tail end, MDO and AA are added for a polymerization reaction, and the flame retardant is prepared. An environment-friendly biological material chitosan is used as a base material, a DOPO derivative with a P-N flame retardant property and a terminal double bond is firstly prepared, then the DOPO derivative, degradable MDO formed through ring opening polymerization and acrylic acid are jointly subjected to graft polymerization on the surface of the chitosan, and a formed macromolecular polymer chain has high flame retardance and can be degraded into a low-molecular structure; the chitosan-based macromolecule containing PCL and PAA chain segments has a biological environmental protection property, and when the chitosan-based macromolecule containing PCL and PAA chain segments is added into degradable plastics such as PLA, the chitosan-based macromolecule can also achieve good compatibility with plastic particles, so that the degradable plastics can be endowed with certain flame retardant property, and meanwhile, the chitosan-based macromolecule has good compatibility with the plastic particles, so that the degradation rate can be kept unaffected.

The utility model discloses a cooling device for full biodegradable plastic film production, which comprises a lower air bellow, support legs are fixedly arranged below the lower air bellow, an air cooler is communicated below the lower air bellow, ventilation pipes are communicated at four corners above the lower air bellow, an upper air bellow is communicated above the ventilation pipes, and a lower air bellow is communicated above the upper air bellow. Clamping and cooling mechanisms used for smoothing plastic films are arranged between the lower air box and the upper air box, a rolling and deviation correcting mechanism used for correcting deviation of the plastic films is arranged between the lower air box and the upper air box, and the two clamping and cooling mechanisms are arranged, so that the plastic films can be clamped, straightened and conveyed, and the situation that the plastic films are folded and overlapped is prevented; and when the plastic film transversely deviates on the clamping and cooling mechanism, the plastic film can be kept in the winding roller all the time through the winding deviation correcting mechanism, the situation that the plastic film runs out of the winding roller and cannot be wound is prevented, and the whole device is convenient to operate, does not need manual operation and is high in working efficiency.

The invention relates to the technical field of polyester degradable plastics, and particularly discloses an automotive trim composite material with antistatic and sound-absorbing functions and a preparation method thereof. The composite material comprises a composite material body and a sound absorbing material compounded on the surface of the composite material body, comprising the following components in parts by weight: 50-70 parts of a compound resin matrix of polylactic acid and poly (adipic acid-butylene terephthalate), 20-35 parts of multifunctional reinforced fibers, 5-10 parts of a structural conductive antistatic agent and 0.05-0.21 part of a microbial degradation triggering agent. The preparation method comprises the steps of fiber pretreatment and modification, conductive master batch preparation, raw material drying, mixing molding, sound-absorbing material compounding and the like. According to the invention, synergism of long-acting antistatic property, high sound absorption, controllable degradation and excellent mechanical property is realized, migration of an antistatic agent is avoided, the sound absorption coefficient is high, degradation is controllable, the process is simple, industrialization is feasible, and the composite material is suitable for automotive interior parts.

The invention belongs to the technical field of biodegradable plastics, and provides a biodegradable film as well as a preparation method and application thereof. The biodegradable film disclosed by the invention is prepared from the following raw materials in 100 parts by weight: 74 to 99.998 parts of biodegradable polyester; 0.001 to 15 parts of gutta-percha; 0-2 parts of a compatilizer; 0.001 to 2 parts of an anti-blocking agent; 0-2 parts of a coupling agent; 0-2 parts of a dispersant; and 0-8 parts of color master batch. The biodegradable polyester is used as a raw material, and the gutta-percha is used as a functional aid, so that the biodegradable film has excellent ultraviolet aging resistance, mechanical property, barrier property and processability; the film mulching safety period of crops can be obviously prolonged, and the method can adapt to different soil conditions and farming operation. The obtained biodegradable film is green and safe in processing and using processes, can be used in the field of agricultural plastic mulching films, and can also be used in the fields of shopping bags, garbage bags, food packaging, vegetable greenhouse films, injection molding plates, injection molding sheets and the like.

The utility model discloses a raw material screening device for degradable plastic film bag processing, and relates to the technical field of degradable plastic film bag processing, the raw material screening device comprises a box body, a first fixing ring, a second fixing ring and a third fixing ring are uniformly and fixedly installed in the middle of the box body, and screening nets are fixedly installed in the middle of the first fixing ring, the middle of the second fixing ring and the middle of the third fixing ring. According to the multi-layer screening device, during screening, raw materials can be guided into the box body through the material guiding pipe, firstly fall into the screening net in the middle of the first fixing ring and are sequentially screened downwards, meshes of each layer of screening net are gradually reduced so that the raw materials can be subjected to multi-layer screening, air can be blown into the corresponding cavity through the ventilation pipe in the mode of externally connecting a pipeline in the process, and the screening efficiency is improved. And the frequency is controlled through the air valve, and the motor capable of driving the rotating shaft and the scraping plate on the side face to rotate is matched, so that large particles blocked in meshes and plastic particles stacked together can be scattered and stirred to be always kept in a motion state, the screening efficiency can be greatly improved, and the screening net is prevented from being blocked.

The invention discloses a thermoplastic starch-based biomass composite material, a product and a preparation method. The thermoplastic starch-based biomass composite material or product comprises 70%-84% of a biomass material, 16%-24% of N-methylmorpholine-N-oxide and 0%-8% of urea. The biodegradable plastic also can contain one or more of an inorganic filler, a biomass derived material and a biodegradable synthetic polymer. The biomass material can be one or more of a starch material, a cellulose material, a protein material and a chitin material. The mass ratio of the N-methylmorpholine-N-oxide to the urea is preferably (3: 1)-(1: 1). The thermoplastic starch-based biomass composite material is prepared by thermoplastic melting, mixing and extruding, and a product is prepared by thermoplastic extrusion or thermoplastic injection molding. The thermoplastic starch-based biomass composite material and the product are completely biodegradable, excellent in mechanical property and low in cost, and the preparation method is simple, convenient and feasible.

The invention relates to a combined slow-release carbon source of sulfate reducing bacteria and application of the combined slow-release carbon source in in-situ prevention and treatment of acid mine water, and belongs to the technical field of resources and environment. The invention relates to a combined slow-release carbon source of sulfate reducing bacteria. The combined slow-release carbon source is prepared from a carbonate material, a liquid carbon source material and biodegradable plastic. The combined slow-release carbon source provided by the invention solves the problems of large carbon source loss amount, poor sustainability, difficult supplementation and poor dynamic adjustability when sulfate reducing bacteria are applied to a mine acidic water in-situ control technology, so that sustainable dynamic proliferation of the sulfate reducing bacteria is realized, and the stability of a sulfate reducing bacteria control system is improved; the purposes of mine acid water source reduction and in-situ prevention and control are achieved.

The invention relates to a seawater degradable seedling raising frame and a preparation method and application thereof.The preparation method of the seawater degradable seedling raising frame comprises the following steps that (1) modified biodegradable plastic is prepared, specifically, a non-enzymatic seawater degradation accelerator, an enzymatic seawater degradation accelerator, a surface hydrolysis inhibitor and a small amount of biodegradable resin are mixed and subjected to melt extrusion, and the modified biodegradable plastic is obtained; the extrusion temperature is 140-180 DEG C, high-concentration master batches are prepared, the master batches and the remaining biodegradable resin are mixed, melt extrusion is conducted again, the extrusion temperature is 160-190 DEG C, cooling and granulation are conducted, and the modified biodegradable plastic is obtained. (2) modified biodegradable plastic is placed in an injection molding machine, heated to a molten state and then injected into a seedling raising frame mold, demolding operation is conducted after injection molding is completed, and the seawater degradable seedling raising frame is formed and can be controllably degraded to meet the requirement for the growth cycle of sea grass, is harmless to the environment and promotes recovery of a sea grass bed ecological system; sustainable marine ecological restoration is realized.

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.