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5778results about "Bio-packaging" patented technology
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Large-size green packaging carton and preparation process thereof
The invention discloses a large-size green packaging carton and a preparation process thereof, and relates to the field of packaging box preparation. The environment-friendly composite material comprises the following raw materials in parts by weight: 50-80 parts of plant fiber slurry, 10-25 parts of a modified starch-based adhesive, 5-15 parts of a nanoscale inorganic reinforcing filler, 1-5 parts of a degradable water repellent agent, 0.5-3 parts of a cross-linking agent and 2-8 parts of starch and plant fiber composite buffer microspheres. According to the preparation method, full-environment-friendly raw materials such as plant fiber slurry and a modified starch-based adhesive are selected and matched with starch and plant fiber composite buffer microspheres, and optimized processes such as segmented temperature control pressurization molding, adhesive gelatinization treatment, stirring speed reduction and microsphere structure protection are combined; and through coating of the degradable polymer coating and micron-sized hydrophobic texture imprinting, synergistic improvement of high compressive strength, excellent buffering performance, excellent hydrophobic and damp-proof effects and high degradation rate of the carton is achieved.
Owner:ZHEJIANG DELI PACKAGING CO LTD
Degradable bamboo fiber express packaging bag and preparation method thereof
The invention discloses a degradable bamboo fiber express packaging bag and a preparation method thereof, and belongs to the technical field of express packaging. The packaging bag is prepared from, by mass, 32-42 parts of pretreated bamboo fibers, 22-28 parts of poly (butylene succinate), 9-14 parts of modified nano calcium carbonate, 12-16 parts of polycaprolactone, 6-11 parts of acetylated chitosan and the like, and the key raw materials are all treated through an exclusive pretreatment or modification process. The preparation method comprises the steps of raw material plasma activation, segmented high-speed mixing, vacuum drying, precise-parameter twin-screw extrusion granulation, secondary drying, precise film blowing, high-precision heat-sealing bag making and the like, and the technological parameters of all the steps are clear. The product disclosed by the invention can be efficiently degraded in a natural environment, has excellent tensile resistance, puncture resistance and impact resistance, is stable and controllable in processing process, and is adaptive to actual requirements of express packaging and industrial batch production.
Owner:FUJIAN MANSHANHONG NEW MATERIAL TECH CO LTD
Bio-based barrier coating for fresh keeping of paper-based beverage as well as preparation method and application of bio-based barrier coating
The invention discloses a bio-based barrier coating for fresh-keeping of paper-based beverages as well as a preparation method and application of the bio-based barrier coating, and belongs to the technical field of paper-based packaging materials for foods and beverages. The coating is a water-based emulsion, and the core solid components of the coating comprise polyhydroxyalkanoate, polyethylene furandicarboxylate, aliphatic polyester, a polyisocyanate cross-linking agent, a nanofiller, a surfactant and a plasticizer. An emulsion is prepared through melt crosslinking and high-shear emulsification, and a dry film is formed through curtain coating and orientation. The film has excellent oxygen and water vapor barrier properties, can be heat-sealed and re-pulpified, and can be biodegraded in industrial compost, household compost and marine environments. According to the preferred embodiment, the bio-based content can be higher than 99%, aluminum foil can be replaced to be used for 60-day fresh-keeping beverage packaging, carbon footprint is reduced, and the recovery value is improved.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +2
Environment-friendly high-barrier packaging paper and preparation method thereof
The invention discloses environment-friendly high-barrier packaging paper and a preparation method thereof, and belongs to the technical field of paper product manufacturing. The method comprises the following steps: dispersing bleached sulfate softwood pulp in an aqueous solution of TEMPO and NaBr, adding a NaClO solution, adjusting the pH value, carrying out a reaction, washing the product obtained by the reaction, and carrying out high-pressure homogenization to obtain TEMPO oxidized nanocellulose (TOCNF); mixing the bleached sulfate softwood chemical pulp, hardwood pulp and viscose fibers, pulping, papermaking and the like to obtain original paper; then, TOCNF and waterborne epoxy modified acrylic emulsion are mixed, and a mixed coating is prepared; and finally, coating the surface of original paper with the coating according to a certain mass ratio, and carrying out hot-pressing curing to obtain the environment-friendly high-barrier packaging paper. The packaging paper is excellent in mechanical property, high in barrier property, good in surface uniformity and printing property, environment-friendly and degradable in raw materials, simple to prepare and low in cost.
Owner:GUANGDONG YINGTONG PAPER CO LTD
Pill dispenser
A pill dispenser includes a dispenser body, a pill dispensing cover, and a pill outlet cover. The dispenser body is hollow. A fixed cylinder is disposed at a center of the dispenser body. Partition plates are connected between the fixed cylinder and the dispenser body to define pill cavities. The partition plates are disposed in a circumferential array. At least one end of each of the partition plates extends out of the dispenser body. Clamping grooves are defined in the pill dispensing cover. A periphery of each of the partition plates is clamped in a corresponding one of the clamping grooves, so the pill dispensing cover is fixed to the dispenser body. The pill dispensing cover includes pill dispensing openings one-to-one corresponding to the pill cavities. When the pill dispensing cover is fixed to the dispenser body, each of the partition plates abuts against the pill dispensing cover.
Owner:XIWING E COMMERCE ZHUHAI CO LTD
Cerium dioxide nano-enzyme modified antibacterial coating and application thereof in food packaging
The invention relates to the technical field of food packaging materials, in particular to a cerium dioxide nano-enzyme modified antibacterial coating and application of the cerium dioxide nano-enzyme modified antibacterial coating in food packaging. The biomimetic mineralization layer comprises the following components in percentage by weight: 35-45% of a green base material, 8-12% of dopamine modified yttrium-doped cerium dioxide nano-enzyme, 4-6% of a composite antibacterial agent, 3-4% of a natural cross-linking agent, 2-3% of a degradable plasticizer, 1-2% of a biomimetic mineralization layer precursor and the balance of deionized water, the green base material is a blend of a chitosan-polyethylene glycol graft and polylactic acid; the doping amount of Y3 in the nano enzyme is 3-4at%. The antibacterial agent is excellent and lasting in antibacterial effect, has no migration risk of the antibacterial agent, and can guarantee food safety; a green base material and a degradable plasticizer are adopted, so that natural degradation is realized, and environmental pollution is avoided; the mechanical property is good, the aging resistance is realized, and the oxygen barrier property is strong; the food packaging box is suitable for various foods, effectively prolongs the shelf life, and meets the requirement of green packaging.
Owner:HUNAN INSTITUTE OF ENGINEERING
Biomass-based oil-resistant coating and preparation method thereof
The invention relates to the field of coatings, and discloses a biomass-based oil-resistant coating and a preparation method thereof, the coating comprises an additive solution, a paraffin solution and gallic acid; the paraffin solution is obtained by dissolving paraffin in absolute ethyl alcohol; a preparation method of the additive solution comprises the following steps: mixing chitosan powder and an acetic acid aqueous solution to prepare a chitosan solution, ultrasonically dispersing functionalized montmorillonite in deionized water to prepare a suspension, then uniformly mixing the chitosan solution and the suspension, adding modified phytic acid prepared by grafting phytic acid and ethylene glycol diglycidyl ether, and stirring to react; the functional montmorillonite is prepared by modifying modified montmorillonite with titanium dioxide and zinc oxide, then activating the modified montmorillonite with 3-aminopropyltriethoxysilane and succinic anhydride, and then carrying out a ring-opening reaction with glycidyl neodecanoate. The coating prepared by the invention has high water resistance, the Kit oil-proof grade is kept at grade 12, and the oil-proof performance of the coating is greatly improved. Meanwhile, the antibacterial performance, the tensile index and the ultraviolet aging resistance are relatively high.
Owner:GUANGDONG BOHAI CHEM TECH CO LTD
Water-based PHA (Polyhydroxyalkanoate) coating and PHA extrusion layer compounded paper-based high-barrier material as well as preparation method and application thereof
The invention discloses a water-based PHA (Polyhydroxyalkanoate) coating and PHA extrusion layer compounded paper-based high-barrier material as well as a preparation method and application thereof, and belongs to the technical field of biodegradable high polymer materials and environment-friendly packaging. According to the scheme, a double-component system with a specific melting point difference is innovatively introduced to construct the water-based pre-coating layer, and efficient sealing and strong anchoring of a rough base material can be achieved under the extremely low coating weight by means of the double mechanisms of'microcosmic leveling and interface thermal fusion '. Compared with a traditional thick-layer lamination process, the material achieves more excellent barrier integrity and oil-resistant and moisture-resistant performance through a thinner extrusion surface layer, the moisture-resistant and oxygen-resistant performance is remarkably improved, and meanwhile the requirement for puncture resistance of dry and hard food packaging materials is thoroughly met through the unique double-layer system stress balance design. The material does not contain fluorine additives, is completely biodegradable, and meets the high-standard requirements of food safety and compliance.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +4
Degradable express bag material and preparation method thereof
The invention discloses a degradable express bag material and a preparation method thereof, and relates to the technical field of high polymer materials. The invention discloses a degradable express bag material. The composite material is prepared from the following raw materials in parts by weight: 40 to 50 parts of poly (butylene adipate-co-terephthalate), 20 to 30 parts of polycaprolactone, 5 to 8 parts of modified bamboo fiber, 2 to 4 parts of modified nano montmorillonite, 3 to 6 parts of tributyl citrate, 0.1 to 0.3 part of antioxidant 1076, 1 to 2 parts of iron dithiocarbamate master batch, 2 to 3 parts of maleic anhydride grafted poly (butylene adipate-co-terephthalate) and 0.3 to 0.6 part of zinc stearate. 0.1 to 0.3 part of baicalein; and 1 to 3 parts of chitosan-sorbitol composite coating liquid. According to the degradable express bag material, poly (butylene adipate-co-terephthalate) and polycaprolactone are used as main degradable raw materials, modified bamboo fibers and modified nano-montmorillonite are matched to enhance the mechanical property, an antioxidant 1076, baicalein and the like are added to guarantee the stability and functionality, temperature is accurately controlled in the preparation process, multi-step modification is adopted for optimizing component combination, and the degradable express bag material is prepared. The performance is improved through the composite coating, degradability is achieved, and good usability is achieved.
Owner:GUANGDONG BAISHENG ENVIRONMENTAL PROTECTION MATERIALS CO LTD
Lifting chain type single bamboo chip separating device
The utility model belongs to the technical field of bamboo processing, and particularly relates to a lifting chain type single bamboo chip separating device which structurally comprises a vertical plate for installation and further comprises a chain arranged on the vertical plate for installation and used for conveying bamboo chips upwards and a transverse frame body unit arranged on the chain and used for supporting the bamboo chips. And the protruding plate unit is arranged on the vertical plate for mounting and is used for pushing and dropping an upper-layer bamboo chip of the two stacked bamboo chips and a single conveyed bent bamboo chip with two upwarped ends in a manner of blocking the end positions of the bamboo chips.
Owner:HARBIN FORESTRY MASCH RES INST STATE FORESTRY & GRASSLAND ADMINISTRATION
Bacteriostatic and antiviral bamboo pulp paper-based sanitary isolation bag as well as preparation method and application thereof
The invention discloses a bacteriostatic and antiviral bamboo pulp paper-based sanitary isolation bag as well as a preparation method and application thereof, and belongs to the field of functional paper-based packaging materials. The isolation bag takes bamboo pulp fiber paper as a base material, and the surface of the isolation bag is coated with a water-based polyhydroxyalkanoate functional coating. According to the preparation method, a special polyphenol derivative-chitosan quaternary ammonium salt-nano zinc oxide organic-inorganic hybrid factor is introduced, and the problem of agglomeration of nano particles is effectively solved by utilizing the special bridging effect of polyphenol, so that high-density cation capture and oxidation inactivation sites are constructed on the surface of the coating. Compared with the prior art, the method has the advantages that the method does not need to depend on organic fluorine compounds, and the excellent waterproof and oil-proof barrier effect and the efficient inactivation of viruses can be achieved only through the extremely low coating amount. In addition, the isolation bag has unique environmental chemical responsiveness, can be efficiently dissociated under the alkaline condition to facilitate repulping recovery, can be completely biodegraded in the natural environment, and perfectly considers the requirements of biological safety protection and green environmental protection.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3
Biodegradable multilayer film comprising outer layer and core layer for wall of disposable bag
The present disclosure relates to a biodegradable multilayer film comprising stacked on each other in the following order: a) a first outer layer comprising a first polymer selected from the group consisting of poly (butylene adipate-co-terephthalate) (PBAT), poly (butylene succinate) (PBS), poly (butylene succinate-co-adipate) (PBSA), and mixtures thereof; b) a core layer comprising a blend of thermoplastic starch (TPS) and polybutylene adipate terephthalate (PBAT); c) a second outer layer comprising a second polymer selected from the group consisting of poly (butylene adipate-co-terephthalate) (PBAT), poly (butylene succinate) (PBS), poly (butylene succinate-co-adipate) (PBSA), and mixtures thereof. The present disclosure also relates to a disposable bag, a bioreactor and a container suitable for mixing, packaging, storing or transporting biopharmaceutical substances, wherein the disposable bag, bioreactor and container comprise the biodegradable multilayer film.
Owner:SARTORIUS STEDIM FMT SAS +2
Closure and drainage for molded fiber packaging
Systems and methods for providing compostable food containers, which preserve the quality of a food product for an extended duration of time, and which optionally, allow for cooking of the food product therein. In some implementations, the food containers are sturdy, stackable, insulating, and require minimal or no manual labor to assemble. In some implementations, the food container includes a base and a cover, which cooperate to form a closed chamber for supporting, protecting, insulating and optionally cooking a food product, such as a pizza. The base and cover may each be formed of a single layer of material including, but not limited to, molded sugarcane fiber (“bagasse”), molded wood fiber, molded bamboo fiber, molded paper or plastic.
Owner:MISO ROBOTICS INC
Multi-layer packaging material with high barrier property and application thereof
The invention relates to a multilayer packaging material with high barrier property and application thereof. The multi-layer packaging material at least comprises three layers, namely a layer A, a layer B and a layer C, wherein the layer B is located between the layer A and the layer C; the layer A is prepared from the following raw materials: first biodegradable polyurethane and a cellulose nanocrystal graft which is obtained by performing grafting treatment on cellulose nanocrystal after hydrophobic modification, and the content of the cellulose nanocrystal graft is 1wt%-10wt% of that of the first biodegradable polyurethane; the raw material of the layer B comprises biodegradable polyester containing a glycollic acid structural unit, and the content of the glycollic acid structural unit is not less than 60% mol; the raw material of the layer C comprises second biodegradable polyurethane. The hydrophobic modified cellulose nanocrystals are uniformly dispersed in the layer A, so that the adsorption of water vapor on the layer A is reduced, the permeation of the water vapor is hindered, and the barrier property of the whole material is improved.
Owner:SHANGHAI ZILING CHEM TECH CO LTD
Bamboo longitudinal and wood transverse composite whole container bottom plate
PendingCN120816579ANon-macromolecular adhesive additivesBio-packagingManufacturing cost reductionPolyurethane adhesive
The invention discloses a bamboo longitudinal and wood transverse composite whole container bottom plate and a preparation method thereof, and belongs to the field of bamboo-wood composite materials. The bottom plate is of a seven-layer alternate paving structure and is formed by compositing transverse wood veneer layers and longitudinal radial bamboo curtain layers, wood veneers are made of lignin modified polyurethane adhesive (reinforced by nano-silicon dioxide), and bamboo curtains are made of bamboo fiber nano-crystal reinforced soybean protein adhesive (cross-linked by genipin). Through continuous paving, fixed-length saw cutting and a'cold-in-cold-out 'hot pressing process (the pressure is 1.5-8.0 MPa, and the temperature is 140-220 DEG C), whole-piece production of any length is achieved. According to the technology, the bamboo-wood interface bonding problem is solved, the bending strength reaches 120 MPa, the interlayer shear strength is 7.8 MPa, the strength retention rate after damp-heat aging resistance is 90%, the formaldehyde emission is smaller than or equal to 0.05 mg / m < 3 >, the bio-based carbon content is 85%, high strength, weather resistance and environment friendliness are achieved, a traditional spliced container bottom plate can be replaced, the material utilization rate is increased by 20% or above, and the manufacturing cost is remarkably reduced.
Owner:RENHUA AODA VENEER BOARD CO LTD +1
Automatic calcium powder weighing and bagging structure
The utility model discloses an automatic calcium powder weighing and bagging structure, and relates to the field of bagging structures. An automatic calcium powder weighing and bagging structure comprises a supporting frame and further comprises a discharging pipe communicated with the lower portion of the supporting frame, a supporting plate is fixedly connected to the discharging pipe, and a supporting rod is fixedly connected to the supporting plate; the supporting rod is rotationally connected with a second rotating rod, and the other end of the second rotating rod is slidably connected with a sliding rod. The second rotating rod is fixedly connected with a hook, and the sliding rod is fixedly connected with a clamping plate. The ton bag is used for receiving the calcium powder falling from the discharging pipe; the hook is used for connecting a sling of the ton bag; when the sliding rod slides to drive the clamping plate to clamp and seal the bag opening of the ton bag, the second rotating rod and the hook rotate, and the hanging belt of the ton bag is tensioned towards the inclined upper part of the outer side by the hook; the material receiving opening of the ton bag can be clamped and sealed, dust is prevented from escaping when calcium powder is added into the ton bag, and meanwhile a user can replace and place a stacking bag conveniently.
Owner:ZHEJIANG HAISEF NEW MATERIALS CO LTD
Antibacterial sanitary towel packaging bag and preparation method thereof
The invention discloses an antibacterial sanitary towel packaging bag and a preparation method thereof. The antibacterial sanitary towel packaging bag comprises a base material layer, an antibacterial layer and a leakage-proof layer. The base material layer is prepared by blending modified polylactic acid, polybutylene adipate and the like and contains a degradation accelerant; the antibacterial layer contains antibacterial peptide-loaded nano montmorillonite, chitosan and the like, and loofah sponge fiber enhances slow release; and the leakage-proof layer is an ethylene-vinyl acetate copolymer and modified silicon dioxide blended film and is provided with breathable micropores. The preparation method comprises the steps of forming the base material layer, coating the antibacterial layer and the like, and process parameters of each layer are accurately controlled. According to the packaging bag, through cooperation of three layers, the bacteriostasis rate of the packaging bag on escherichia coli and staphylococcus aureus in 24 hours is higher than 99%, the degradation rate of the packaging bag in 83 days is higher than 88%, the oxygen permeability is 4.5-5.2 cm < 3 > / (m224h 0.1 MPa), and the packaging bag has the advantages of long-acting antibiosis, air permeability, leakage prevention, environmental protection, degradation and good mechanical properties, and meets the storage and use requirements of sanitary napkins.
Owner:FUJIAN MANSHANHONG NEW MATERIAL TECH CO LTD
Polymerizable raw material comprising recycled bis(2-hydroxyethyl) terephthalate and method for preparing the same
A polymerization raw material obtained by the depolymerization of waste polyester is disclosed. The polymerization raw material contains recycled bis(2-hydroxyethyl) terephthalate in which the contents of acetate-based ester compounds and diethylene glycol ester compounds are adjusted to specific levels. The polymerization raw material is excellent in purity and quality, and free from the problem that thermal resistance characteristics deteriorate in the polymerization of a polymer from the recycled monomer.
Owner:SK CHEMICALS CO LTD
Degradable packaging box outer surface defect detection device
The invention provides a degradable packaging box outer surface defect detection device, and relates to the field of packaging box defect detection.The degradable packaging box outer surface defect detection device comprises a conveying device, a supporting frame is fixedly connected to a rack of the conveying device, four peripheral face detection cameras are installed on the periphery of the inner side of the supporting frame, and an upper surface detection camera is installed at the top of the inner side of the supporting frame; a receding mechanism is arranged at the bottom of a rack of the conveying equipment, and a trapezoidal conveying mechanism is installed on the upper portion of the receding mechanism. Through the design of the trapezoidal conveying mechanism, the lower side face of the degradable packaging box can be separated from the upper surface of the conveying belt of the conveying equipment, manual turnover is not needed in the process, manpower is effectively saved, and the detection efficiency is remarkably improved; the problems that when an existing degradable packaging box is detected, only four side faces, the upper surface and the lower surface of the outer periphery of the packaging box are blocked by a conveying belt, and manual turn-over detection is needed, manpower is consumed, and efficiency is low are solved.
Owner:TAICANG HEFENG ARTS & CRAFTS CO LTD
Wear-resistant environment-friendly PET base material adhesive tape and preparation method thereof
The invention discloses a wear-resistant environment-friendly PET base material adhesive tape and a preparation method thereof, and belongs to the technical field of adhesive tapes, raw materials comprise a PET adhesive tape film and an EB curing modified adhesive, the surface of the modified PET adhesive tape film subjected to corona treatment is coated with the EB curing modified adhesive, then electron beam radiation curing is carried out, the absorbed dose of electron beams is 38-42 kGy, and the EB curing modified adhesive is prepared. And then cooling, rolling and curing to obtain the wear-resistant environment-friendly PET base material adhesive tape. The modified PET adhesive tape film is prepared from the following raw materials: PET resin and modified polyolefin elastomer master batch; the EB curing modified adhesive is prepared from the following raw materials: butyl acrylate, 2-ethylhexyl acrylate, tripropylene glycol diacrylate, acrylate resin, urethane acrylate and starch modified core-shell microsphere powder. According to the mode, a modification process is added in the preparation process of the PET adhesive tape film and the adhesive, and finally the environment-friendly PET base material adhesive tape with excellent comprehensive performance is prepared.
Owner:佛山市奥川顺新材料实业有限公司
High-barrier waterproof and oil-proof meal package paper and preparation method thereof
The invention discloses high-barrier waterproof and oil-proof meal package paper and a preparation method thereof, and relates to the technical field of food packaging materials. The invention discloses a preparation method of high-barrier waterproof and oil-proof meal package paper, which comprises the following steps: coating raw paper with waterproof and oil-proof glue to obtain the high-barrier waterproof and oil-proof meal package paper, the waterproof and oil-proof glue comprises the following raw materials in percentage by weight: 1-2% of modified chitosan, 4-5% of carboxymethyl cellulose, 0.3-0.5% of nano cellulose, 0.15-0.25% of modified nano mesoporous silica, 0.3-0.42% of a bio-based cross-linking agent and the balance of a solvent, and the sum of the weight percentages of the raw materials is 100%. The prepared meal package paper is good in waterproof and oil-proof effects, and the folding strength of the coating is high.
Owner:WELBON SPECIAL MATERIALS CO LTD
Bacteriostatic food packaging bag and preparation method thereof
The invention discloses a bacteriostatic food packaging bag and a preparation method thereof, and relates to the technical field of food packaging, the bacteriostatic food packaging bag comprises the following components by weight: 12-22 parts of bamboo fiber; 55 to 80 parts of TPS (Thermoplastic Polystyrene); 15-20 parts of a modified ethylene composite copolymer; 15 to 20 parts of modified chitosan; wherein the modified ethylene composite copolymer is obtained by polymerizing active group-containing ethylene and one of vinyl acetate, butene, hexene or octylene according to a molar ratio of 10: (3-6); the active group is at least one of amino and sulfonic acid group; the modified chitosan is sulfo-grafted chitosan, and the mass grafting rate is greater than 0.1 wt%. The preparation method has the advantages that the compatibility of a composition formula is improved through the modified ethylene composite copolymer and the modified chitosan, a uniform net structure is formed in a cross-linking reaction to serve as a supporting framework, the overall mechanical structure performance is enhanced through the bamboo fibers which are synergistically and uniformly distributed in the composition formula, and the degradable and non-toxic effects are achieved through the cooperation of the bamboo fibers and the TPS.
Owner:厦门富锦新材料有限公司
Porous chlorine dioxide slow-release preservative paper and preparation method thereof
The invention discloses porous chlorine dioxide slow-release preservative paper and a preparation method thereof.The porous chlorine dioxide slow-release preservative paper comprises a paper base, a porous carrier is fixed to the paper base through oxidized starch glue, and sodium chlorite, an activating agent and a stabilizing agent are loaded on the porous carrier; the porous carrier is one of aluminum oxide, titanium oxide, cobalt oxide, zinc oxide, copper oxide, iron oxide, cerium oxide, zirconium oxide, nickel oxide, manganese oxide, praseodymium oxide and lanthanum oxide with a porous structure. The slow release of chlorine dioxide can be stably and effectively realized, the release period of chlorine dioxide is prolonged, and long-acting stable sterilization and disinfection effects are realized.
Owner:ZHEJIANG OCEAN UNIV
Closure and drainage for molded fiber packaging
Systems and methods for providing compostable food containers, which preserve the quality of a food product for an extended duration of time, and which optionally, allow for cooking of the food product therein. In some implementations, the food containers are sturdy, stackable, insulating, and require minimal or no manual labor to assemble. In some implementations, the food container includes a base and a cover, which cooperate to form a closed chamber for supporting, protecting, insulating and optionally cooking a food product, such as a pizza. The base and cover may each be formed of a single layer of material including, but not limited to, molded sugarcane fiber (“bagasse”), molded wood fiber, molded bamboo fiber, molded paper or plastic.
Owner:CONGRUENS GROUP LLC
Negative pressure conveying, metering and receiving bin
ActiveCN223421856UBio-packagingWeighing apparatus for materials with special property/formButterfly valveMaterial transport
The utility model relates to a negative pressure conveying, metering and receiving bin. Comprising an installation support, a pipeline support arranged on the installation support, a metering bin used for metering materials, an upper barrel arranged at the top end of the metering bin, a filter element used for separating air in the materials, a bin cover installed at the top end of the upper barrel, an air suction device used for conveying the materials and a weighing module used for detecting the weight of the materials. A plurality of groups of weighing modules which are arranged in a circumferential array are arranged at the joint of the metering bin and the mounting bracket; a plurality of groups of filter elements are arranged in the inner cavity of the upper cylinder body; the air suction device is installed on the pipeline support and connected to the stock bin cover and the metering stock bin. And a discharge butterfly valve is arranged at a discharge port at the bottom end of the metering bin. The technical problems that in the prior art, in the vacuum conveying process of materials, time and labor are wasted during material conveying, more devices are needed for accurate metering, and large space is occupied, so that the material conveying cost is increased are solved.
Owner:WUXI HENGRISHENG INTELLIGENT TECHNOLOGY CO LTD
Closed conveying device for powder food
The utility model relates to the technical field of powder conveying, and discloses a powder food closed conveying device, which comprises a powder conveying cylinder and a support frame, and is characterized in that the outer side of the powder conveying cylinder is fixedly connected with a feed port, the top of the feed port is fixedly connected with a corrugated pipe I, the top of the corrugated pipe I is fixedly connected with a feed hopper, and the top of the corrugated pipe I is fixedly connected with a discharge port. A shaking assembly is arranged on the outer side of the feeding hopper, a discharging adjusting assembly is installed on the outer side of the powder conveying barrel, a motor is fixedly connected to the outer side of the powder conveying barrel, a transmission rod is fixedly connected to the output end of the motor, and spiral blades are fixedly connected to the outer side of the transmission rod. According to the powder conveying device, the connecting rod is driven by the driving motor to rotate, then the first bevel gear is driven to rotate, the second bevel gear, the rotating rod and the incomplete gear are made to rotate, the incomplete gear is meshed with the two racks on the inner wall of the moving ring, the feeding hopper is driven to move back and forth, powder caking and blocking are prevented, and the powder conveying efficiency and stability are improved.
Owner:HUANGSHAN TONGXI BIOTECHNOLOGY CO LTD
Potato packaging device
Owner:ZHANGBEI COUNTY SHUOFENG AGRICULTURAL DEVELOPMENT CO LTD
Bag roll cassette and method of use
There is disclosed a bag having a tubular body with a top open end and a bottom closed end. The tubular body has a larger open diameter at the top open end. The tubular body narrows into a narrower open diameter adjacent to a bottom closed end. The tubular body in a flattened two-fold condition has a pair of side edges extending from a top edge to a bottom edge. The top edge delimits the top open end. The bottom edge delimits the bottom closed end. The pair of side edges are generally parallel to one another in a first portion adjacent to the top edge.
Owner:ANGELCARE CANADA INC
Degradable polyester film bag slitting device with magnetic anti-counterfeiting mark
The invention relates to the related technical field of degradable polyester film bag body processing, and discloses a degradable polyester film bag slitting device with a magnetic anti-counterfeiting mark, which comprises a rack, an unwinding frame, a winding roller fixed on one side of the rack, a variable pitch structure arranged at the top end of the rack and a cleaning structure, the cleaning box is arranged in the rack, and the maintenance structure is arranged in the cleaning box. The jacking oil cylinder extends to drive the cleaning box to ascend, the slitting knife enters the cleaning box, cleaning liquid is injected into the cleaning box, meanwhile, the cleaning cotton piece wipes the surface of the slitting knife, and impurities such as membrane material chippings and oil stains are removed, so that the knife cleaning function of the device is achieved, the impurities on the surface of a blade can be efficiently removed, and the cutting efficiency is improved. Pollution to the film bag or scratch to the surface is avoided, product quality is guaranteed, potential safety hazards and downtime of manual cleaning are reduced, production continuity is improved, and cost is reduced to a certain extent.
Owner:GUANGZHOU QIYU PLASTIC PROD CO LTD
High-barrier degradable vegetable and fruit preservative film based on multilayer compounding and preparation method thereof
The invention discloses a high-barrier degradable vegetable and fruit preservative film based on multi-layer compounding and a preparation method thereof, belongs to the technical field of food packaging materials, and aims to solve the technical problem that the barrier property, the mechanical property and the antibacterial property of the degradable vegetable and fruit preservative film in the prior art need to be further improved. The degradable vegetable and fruit preservative film comprises a first layer, a second layer and a third layer which are sequentially laminated, and the first layer is prepared from, by weight, 65-75 parts of polylactic acid, 4-8 parts of maleic anhydride grafted polylactic acid, 2-4 parts of modified carbon nitride, 1-3 parts of alizarin microcapsules, 3-6 parts of modified lignin and 1-2 parts of auxiliary additives; through the synergistic effect of the modified carbon nitride, the alizarin microcapsules and the modified lignin, the barrier property, the mechanical property and the antibacterial property of the degradable vegetable and fruit preservative film are further improved.
Owner:KASHI COUNTY DENING AGRICULTURAL CO LTD