375results about How to "Reduce white pollution" patented technology

The invention provides a modified polylactic acid material and a preparation method and application thereof. The modified polylactic acid material comprises the following raw materials in part by weight: 40 to 70 parts of polylactic acid, 10 to 20 parts of thermoplastic polyester elastomer, 10 to 20 parts of plasticizer and 10 to 20 parts of organic or inorganic filler, wherein the thermoplastic polyester elastomer is polyester thermoplastic polyurethane; the plasticizer is one or two of tributyl acetocitrate, epoxidized soybean oil, propylene glycol polyester adipate or dioctyl maleate; and the organic or inorganic filler is one or more of starch, talcum powder, calcium carbonate, mica, montmorillonite, clay or titanium dioxide. The modified polylactic acid material has the advantages of improving the flexibility of a polylactic acid material and reducing the cost of a biodegradable material. A mechanical performance test shows that in the modified polylactic acid material, the tensile strength is 15 to 70 MPa and the fracture tensile rate is 20 to 38 percent.

This invention relates to an envelope control release fertilizer and its production method that using heating fluidized-bed envelope technology. Exhausted thermoplastic resins are used and many filling materials are added, it is used in quick mass industrialized production. Polystyrene cellular resin and polyethylene pellicle resin are mixed as certain proportion set before, and certain proportion flour, corn powder and rubber powder are mixed and dissolved in mixed liquor perchlorethylene and dichloromethane. The liquor is uniformly sprayed to the pre-heated composite fertilizer, carbamide, lemery salt and other fertilizer particles through twin fluid atomization nozzle in heating fluidized-bed in order to form macromolecule polymer envelope that lubricity and densification and with different capabilities of breaking through of water. The liquor is recovered through special made condensation and compaction recovery plant. This production not only has good nutrition control and releasing capability and the nutrition control and releasing term can reach 1 to 12 months, but also the putamina residue in the soil can be degraded in short time, so it belongs to environment good control and releasing fertilizer.

The invention discloses a method for culturing edible fungi, which includes the following steps: culturing the mother culture in larger scale to prepare liquid culture spawn, introducing the liquid culture spawn together with culture medium which needs to be sterilized separately to cultivating material for thick solid ventilated culturing, when the cultivating material is filled with hypha, briquetting and shaping the cultivating material, and sending the briquetted cultivating material to a mushroom house to produce mushroom. The method is environment-friendly, energy-saving, short in production period, low in pollution rate and small in work intensity.

The invention provides a starch-filled PLA/PBAT full-biodegradable composite material and a preparation method thereof, and belongs to the field of high polymer materials. A purpose of the invention is to solve the problems of poor toughness, brittleness and easy breaking of polylactic acid and the technical problems of difficult processing of starch, poor compatibility with PLA/PBAT resins and the like. The starch-filled PLA/PBAT full-biodegradable composite material comprises, by weight, 5-90 parts of polylactic acid, 10-90 parts of polyadipic acid/butylene terephthalate, 10-50 parts of starch, 2-15 parts of a plasticizer, 0.1-5 parts of a coupling agent, 0.1-0.5 part of a dispersing agent, 0.1-1 part of a compatibilizer and 0.1-0.5 part of an antioxidant. According to the invention, thepreparation method can be applied to preparation of starch-filled PLA/PBAT full-biodegradable composite materials.

The invention relates to an antimicrobial biodegradable packaging hose material and a method for preparing a hose using the same. The packaging hose material is characterized by comprising the following raw material components in percentage by mass: 60-98% of biodegradable resin, 0.5-15% of antimicrobial masterbatch, 0.5-1.0% of antioxidant, 0.5-15% of plasticizer and 0.5-10% of other additives. The method for preparing the hose comprises a method for preparing the antimicrobial masterbatch and a method for preparing the hose, wherein the method for preparing the antibacterial masterbatch comprises the step of carrying out double-layer coating on an antimicrobial agent on the surface of the fluidized bed; the method for preparing the hose comprises the steps of firstly mixing raw materials according to the raw material components of the packaging hose material and the mass percent, preparing into by an extrusion blending method in an extruder, molding the hose material, carrying out four-section layered cooling method and double-layer opposed rotation cutter treatment, molding an injection head, casting the shoulder, and then adding a layer of a photocured waterborne pre-printing processing layer on the surface of entire hose body.

The invention discloses a high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, which is composed of a composite carrier, a fire-retardant system, a thermal stable system, and a mixed auxiliary agent; wherein the mass ratio of the composite carrier: the fire-retardant system: the thermal stable system: the mixed auxiliary agent is 90-110:1-5:0.1-0.5:0.05-0.3; the composite carrier is composed of regenerated polystyrene XPS particles and high impact-resistant polystyrene particles, and the fire-retardant system is composed of a solid powder fire retardant and a liquid retardant. Recycled regenerated polystyrene resin is adopted as the main raw material to product the high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, then a novel carrier is added, a novel fire retardant is selected, and the thermal stable system and other auxiliary agent system are optimized, so that the product has the advantages of high fire retardant property, high impact resistance, environment-friendliness, good thermal stability, good mechanical property, and easy processing and forming property.

The invention belongs to a vegetable fiber reinforced flame-retardant thermoplastic starch-based composite material and a preparation method thereof. The composite material comprises the following raw materials in part by weight: 100 to 120 parts of starch, 30 to 50 parts of plasticizer, 5 to 30 parts of vegetable fibers and 5 to 40 parts of flame retardant. The banana fiber raw material used by the invention is agricultural waste, namely banana stems, and has low cost; and sisal fibers, jute fibers and the like can be produced industrially and the raw materials are easily obtained. The product can be prepared by simple controllable standard machine-shaping conditions. The finished product has excellent biodegradability, mechanical property and flame retardant property, can be used in the fields of package, automotive trim, household appliances and the like and avoid applying pressure to the environment after being scrapped. Meanwhile, the vegetable fiber reinforced flame-retardant thermoplastic starch-based composite material increases the additional value of the cash crops, increases farmer income and has important significance for reduction of white pollution.

The invention discloses a color glass-reinforced plastic profile material made from a novel reclaimed material. The color glass-reinforced plastic profile material is made from raw materials, such as recycled PVC (polyvinyl chloride), modified nano calcium carbonate, a calcium zinc stabilizer, stearic acid, di-n-octyl phthalate, plasticizer, chlorinated polyethylene, ABS (acrylonitrile-butadiene-styrene) high rubber powder, polyethylene wax, paraffin, acrylate impact modifier ACR, MBS (methyl methacrylate), iron oxide red, carbon black and a pigment. According to the color glass-reinforced plastic profile material, the calcium zinc stabilizer substitutes a lead salt stabilizer, so that the color glass-reinforced plastic profile material is safer and harmless and does not affect the health of human bodies. A waste glass-reinforced plastic profile material or an unqualified glass-reinforced plastic profile material is effectively utilized, so that the reutilization of the glass-reinforced plastic profile material is realized, a large number of raw materials are also saved in a production process, white pollution is reduced, our natural environment is more protected, and the policy requirements of energy conservation and environment friendliness are met. The profile material made from the recycled PVC has all the characteristics of the profile material made from the raw materials as well as the characteristics of smoother surface, better density, better toughness and the like.

The invention relates to a food grade biodegradable polylactic acid-based composite material which is prepared by drying, mixing and performing one-step melt blending modification and extrusion pelleting on four components, namely, 55-85wt% of polylactic acid, 2-10wt% of biodegradable polyester, 3-10wt% of food grade plasticizer and 10-30wt% of inorganic packing, in a double-screw extruder, wherein the inorganic packing is inorganic packing without surface treatment, and the average particle size of the inorganic packing is 2.7-19 micrometers; the weight-average molecular weight of the polylactic acid is 100000-180000, and the molecular weight distribution index is 1.2-2.0. All components of the composite material are non-toxic food grade materials, the content of the inorganic packing is high, the mechanic property and the thermal resistance of the composite material are remarkably improved, and thus the composite material can be used as a resin universal for sucking molding, injection modeling and blowing injection, a one-step mixing process is adopted, tediousness in the conventional inorganic powder pretreatment is avoided, continuous production is achieved, and the production cost is greatly lowered.

The invention relates to a composite fiber automobile interior board and a production method thereof. The automobile interior board comprises a base layer and a non-woven or woven surface layer which is laminated on the at least one surface of the base layer, wherein the base layer consists of the following composite fibers: first fibers, namely polylactic acid fibers, second fibers, namely bastose selected from at least one of jute fibers, sisal fibers, ramie fibers, linen fibers, hemp fibers and kenaf fibers, and third fibers, namely basalt fibers in a weight percentage ratio of (20-70):(10-60):(10-60); and the surface layer consists of polylactic acid fibers. The composite fiber automobile interior board can be made into a three-dimensional deep drawing high-strength automobile interior board, and is safe, firm and environment-friendly when used as the base material of an automobile door inner board and a ceiling.

The invention discloses a mushroom planting picking automatic integrated machine. The machine comprises a planting frame supporting moving device, a planting picking device, a mushroom collecting conveying mechanism, a mushroom collecting device, a mushroom stick recovery device and a planting frame recovery device, the planting picking device is arranged on the planting frame supporting moving device, the mushroom collecting conveying mechanism is arranged on the planting frame supporting moving device, the mushroom collecting device is arranged at the rear end of the mushroom collecting conveying mechanism, the mushroom stick recovery device is arranged on the left side of the planting frame supporting moving device, and the planting frame recovery device is arranged in front of the planting frame supporting moving device; the planting picking device comprises a mushroom stick mechanism and a planting picking frame, and the mushroom stick mechanism is arranged on the planting pickingframe. The machine belongs to the technical field of edible fungus equipment, and particularly provides the mushroom planting picking integrated machine which has the advantages that the practicability is high, the operation is simple, the integrated machine saves energy and is environmental friendly, the efficiency is improved, the labor intensity is reduced, and the mechanical picking and planting of mushrooms is achieved.

The invention relates to a naturally degradative short linter plastic film and a manufacture process thereof, belonging to the field of plastic films. The manufacture process comprises the following steps: dedusting short linters, ramie short fibers and silk leftover bits; uniformly mixing according to a proportion; cutting short; placing in a cooking boiler; adding NaOH, anthraquinone and water; increasing temperature; keeping pressure; boiling; preparing pulp by a sulphate pulping method; filtering pulp liquid; cleanly flushing filtered substances; adding water to prepare the pulp liquid; beating the pulp liquid at a beating degree of 50 DEG SR; adding daiamid epoxy chloropropane resin and cellulose to uniformly scatter in a pulp scattering machine; diluting with water; forming handsheets in a water circulating handsheet former; airing the handsheets at a room temperature; steeping the handsheets in a whiteruss steeping tank; immediately fishing out and smoothening the handsheets with a brush; enabling the prepared handsheets, i.e. paper-based semi-finished products of non-weaving cloth, to keep still at the room temperature; steeping the semi-finished products in a sizing liquid steeping tank; immediately fishing out and smoothening the semi-finished products; placing the semi-finished products in an oven to prebake so that sizing liquid is fully permeated and stuck to the semi-finished products; and raising the temperature and baking for molding treatment to obtain the naturally degradative short linter plastic film.

The invention discloses a method for preparing a water-based fracturing fluid by using a multi-effect thickener, which is characterized in that the fracturing fluid is composed of a base fluid and a cross-linking fluid containing a gel breaker, and is mixed according to the following parts by weight Uniform: 60-99.99 parts of base liquid, 0.01-40.0 parts of cross-linking liquid containing gel breaker; the base liquid is mixed according to the following parts by weight: 99-99.9 parts of water, multi-effect Thickener is 0.1-1.0 parts; the cross-linking liquid containing breaker is mixed according to the following parts by weight: water is 0-99.9 parts, cross-linking agent is 0.1-100.0 parts and breaker is 0.001- 0.1 part. The water-based fracturing fluid formulated with this multi-effect thickener can meet the requirements of use without adding bactericides, clay stabilizers, surfactants, demulsifiers, and foaming agents. Under the condition that the performance indicators of the fracturing fluid are equivalent to those of the traditional fracturing fluid, the operation process is simplified, which is more conducive to improving the quality of the fluid, reducing the conditions required for monitoring, reducing construction procedures and time applications.

A bamboo shoot shell fiber/PE degradable composite material, comprising the following components in parts by weight: 40-80 parts of PE, 20-60 parts of bamboo shoot shell fiber, 10-30 parts of inorganic filler, 1-8 parts of silane coupling agent, 10-20 parts of compatibilizer, 5-10 parts of lubricant, and 1-10 parts of functional additive. According to the above proportions, it is firstly dispersed in a high-speed kneader, and then kneaded by a twin-roll mixer or extruded by a twin-screw extruder to obtain the bamboo shoot shell fiber/PE degradable composite material.

The invention discloses a cement-base light fireproof wall body heat insulation board and a preparation method thereof. The cement-base light fireproof wall body heat insulation board consists of a heat insulation layer and a protection layer. The heat insulation layer comprises the following components in parts by mass: 85-89 parts of Portland cement, 2-5 parts of polyphenyl particles, 5-8 parts of vinyl acetate - ethylene copolymer emulsion and 2.5-3.3 parts of additive; and the protection layer consists of the following components in parts by mass: 84-90 parts of Portland cement, 9-15 parts of sulphoaluminate cement, 0.1-0.2 part of glass fiber and 0.6-0.8 part of super plasticizer. Heat insulation layer slurry is filled into a mold for molding to form the heat insulation layer with thickness being 2-3cm; an alkali-resisting glass fiber grid cloth is tightened, is attached onto the surface layer of the heat insulation layer and is pressed into the surface layer of the heat insulation layer; a protection layer slurry layer with thickness being 1-2mm is coated on the surface layer of the heat insulation layer; and pressure shaping, curing and drying are conducted to obtain the cement-base light fireproof wall body heat insulation board. The cement-base light fireproof wall body heat insulation board has the advantages of light weight, high strength, water and damp prevention, fire prevention, convenience in building construction and the like.

The invention discloses a two-level wood-plastic composite material and process for preparation. An inner core body of the composite material is compounded by coarse wood flour or agricultural straw powder and waste plastics. According to the percentage by weight, the coarse wood flour or the agricultural straw powder is 60-75%, and the waste plastic is 25-40%. When being combined, added coupling agent is additionally weighed and is 1-5% of the gross weight of main body materials, and lubricating agent is 0.5-5%. An outer layer is compounded by pure wood floor and novel plastic. According to the percentage by weight, the pure wood floor is 30-50%, and the novel plastic is 50-70%. When being combined, the added coupling agent is additionally weighed and is 1-5% of the gross weight of the main body materials, functional auxiliary agent is 1-5%, lubricating agent is 0.5-5%, and the thickness of the outer layer is equal or more than 3 millimeters. The process for preparing the composite material has the steps of raw material preparation, mixing granulation, extrusion molding, shaping, cooling, pulling, cutting and the like. The two-level wood-plastic composite material of the invention has the advantages of wood property and plastics property.

The invention provides disposable degradable plant fiber tableware and a preparation method thereof. The disposable tableware is prepared from the following raw materials in parts by weight: 90-100 parts of plant fibers, 20-30 parts of polyvinyl alcohol, 10-15 parts of modified starch, 4-8 parts of modified calcium carbonate powder, 20-40 parts of waterproof glue and 6-10 parts of carboxymethylcellulose. The preparation method comprises the following steps: crushing, grinding, mixing and dissolving, forming, gluing, drying and disinfecting the components to obtain a product. The disposable degradable plant fiber tableware is non-toxic and harmless and clean and sanitary. The preparation process is environment-friendly and pollution-free. The disposable degradable plant fiber tableware is high in degrading speed in a spontaneous combustion environment, and can be recycled if being immersed into soil as a fertilizer for plants. The disposable degradable plant fiber tableware are easily available and cheap in source of raw materials and regenerative, agricultural resources are comprehensively utilized favorably, and meanwhile, the air pollution problem caused by crop straw combustionis also alleviated, and the white pollution problem caused by use of a plastic product in a large range can be also alleviated effectively.

The invention provides a wind, solar and bioenergy storage, supply, charging and gasification intelligence transport system. The system comprises a perovskite power generation film and a wind generating set. A moving vehicle runs on a traffic road, and a vehicle-mounted automatic telescopic intelligent pantograph is fixed to the top of the moving vehicle through an insulating terminal and screws.According to the beneficial effects of the system, photovoltaic ceilings are erected on roads and farmlands at two sides of the road to reasonably utilize the space, and the photovoltaic power generation can be carried out. Rain and snow can be shielded, and normal driving in severe weather can be guaranteed. An electric vehicle adopts a telescopic pantograph to supply power in real time, so thatthe driving time of the vehicle can be prolonged. The cruising ability is improved. The convenience is provided for unmanned aerial vehicle delivery. The long-distance delivery of the electric unmanned aerial vehicle is facilitated. The great development of the unmanned aerial vehicle logistics transportation industry is promoted. Thewaste of non-renewable resources is reduced, and the energy-saving and environment-friendly development is achieved. The photovoltaic power generation, the wind power generation, the hydrogen fuel power generation, the biogas power generation and the biomass powergeneration are combined. The energy can be reasonably utilized, and the energy utilization rate is increased.

The invention relates to the technical field of a degradable agricultural film product and the perpetration of the degradable agricultural film product, and in particular relates to a high-water repellency high-photopermeability biodegradable cotton agricultural mulching film and a preparation method thereof. The main raw materials of the film mainly comprise waste cotton fibers, such as embossed cotton lower pile, cotton noils, waste cotton clothes and the like. The perpetration method comprises the following steps of: adding dispersing agent, softening agent, wet strength agent and the like with proper quantity, preparing semi-finished products by a wet-process papermaking technology, soaking by liquid paraffin, carrying out PVA (polyvinyl alcohol) gluing, tidying rolling liquid by a two-soaking and two-rolling technology, baking, and drying at room temperature to obtain a finished product. The thin film prepared by the technology is quick in biodegradability, high in water repellency and high in photopermeability, the light transmittance of the thin film is more than 68%, and the seedling growth of most of crops and vegetables can be met, so that the film is an ideal material for partially replacing the common plastic thin film and preventing and curing 'the white pollution'.

A special modified material for polyethylene film selecting polyethylene regenerative material as main raw material is prepared by the following charge ratio of raw materials and method: mixing the polyethylene regenerative resin and the dicumyl peroxide, then adding them into bucket of reactive twin-screw set, warming to make molten materials perform chain initiation in charging barrel; adding vinylsilane in the fourth barrel of the charging barrel of the set; adding free radical capture agent and quenching agent to react in the sixth barrel of the charging barrel of the set; after finishing the reaction, the materials going through the shunt board and the screen, squeezed by the die then stayed to stuff; inputting the stuff into dicing cutter to pellet after introduced into bosh to cool. The invention can reduce the cost of the raw materials for film production by 300-500 RMB/ton; can advance the reclamation of waste and old plastics, slow down the while contamination of various plastic products to environment and alleviate the market contradictory problem that the demand for polyvinyl resin exceeds the supply in recent years.