Recycled Material Blending for Packaging

Packaging film with improved gas barrier properties and reduced polymer degradation when recycled. The film has a gas barrier layer, an adhesive layer, and a sealant layer. The gas barrier layer has a soft coating layer between the vapor deposition layer and adhesive. The coating layer's hardness is 1.15 GPa or less. The adhesive layer is made by bonding a polyolefin adhesive composition to the gas barrier layer via melt extrusion. The sealant layer contains polyolefin resin. This film design allows good gas barrier performance without decreasing the polyolefin content in the film. The coating layer softness relaxes deposition layer stresses to prevent cracking. The soft adhesive layer allows shrinkage without transmitting stresses. This preserves barrier integrity during processing. The soft coating and adhesive layers prevent polymer

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Hybrid clamshell container for packaging products that has a base made of a cellulosic material like paperboard and a cover made of a plastic material. The container has a hinged lid that folds over and clips to the sides in the closed position. This allows the strength and recyclability benefits of paperboard for the base while using plastic for the cover to improve durability and stackability. The container can be formed by manipulating a blank with separate paperboard and plastic components that join together.

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Packaging material and method for producing packaging that reduces microplastics and enables recyclability. The packaging uses a paper base layer with a sealing media applied to specific areas. This allows reliable sealing without using multiple non-biodegradable layers. The sealing media is water-soluble and applied selectively to the sealing areas. The paper base is recyclable in paper recycling processes. The packaging can have high barrier properties and is suitable for food like coffee.

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Corrugated cardboard packaging for cooking appliances that provides an environmentally sustainable and space-saving alternative to expanded polystyrene (EPS) foam packaging. The corrugated cardboard packaging aims to reduce environmental impact, improve recyclability, and save storage space compared to EPS foam. The packaging design uses corrugated cardboard with different densities or layers to provide varying levels of durability and impact absorption for shipping protection. The cardboard packaging is fully recyclable, unlike EPS foam, and can be made from biodegradable materials. It also reduces storage space compared to bulky EPS foam.

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A recyclable bottle that looks like a glass bottle but is made of separable and recyclable materials. The bottle has a rigid shell with a flexible pouch inside. The shell is composed of a body and a head. The body is a sleeve with a closed bottom and open upper end. The head can be a skirt attached to the body and a neck with a thread for a capsule. The neck extends into the head and attaches to the mouth of the flexible pouch. The pouch holds the liquid. The separable components allow easy recycling compared to traditional glass bottles.

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Paper-based packaging film with improved light barrier, moisture barrier, and recyclability for food products like butter and margarine. The film has a paper component, a polymeric film, a metallic flake layer printed on the polymeric film, and a white pigment layer between the metallic flake layer and the paper. The metallic flake layer provides light blocking, the white pigment layer enhances paper appearance, and the adhesive between the layers enables clean separation during recycling. The metallic flake grammage is kept low to balance barrier and recyclability.

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A method for manufacturing a recyclable and moisture-proof packaging strip that is easy to recycle, has water repellency, low adhesion, and anti-static properties, and is environmentally friendly and moisture-proof. The method involves forming a double coating layer on the inner surface of the paper fabric constituting the packaging strip. The first coating layer is made with an acrylic resin composition. The second coating layer is made with modified calcium carbonate. This provides water repellency, low adhesion, and anti-static properties. The paper fabric with the double coating layer is overlapped and bonded to create a barrel-shaped packaging strip. This eliminates the need for synthetic resin films that can't be easily recycled.

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Sealant film for packaging applications that enables recycling of mixed resin materials. The film has a layer containing recycled material with two or more resin types, followed by a separate sealant layer. The recycled layer has small, localized regions with lower transmission compared to the surrounding. These regions have maximum area and aspect ratio limits to prevent clumping. This allows recycling mixed resins while maintaining sealant and mechanical properties.

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Retortable packaging film for food products that can withstand high temperature processing like retort sterilization while meeting recycling guidelines. The film has a laminate with biaxially oriented polypropylene (BOPP) and machine direction oriented polypropylene (MDOPP) layers. The film also has a sealing layer made of a blend of polypropylene terpolymer and long-chain branched polyethylene. The sealing layer has a specific melt flow index range between 5 and 25 g/10 min. The film composition is at least 80% polypropylene. This allows recycling compliance and retort robustness.

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Stretched packaging film with improved quality and reduced environmental impact by using chemically recycled resin instead of material recycled resin. The stretched film contains a chemically recycled resin, which is made by converting discarded resin into monomers and then polymerizing them. This reduces foreign matter and odors compared to material recycled resin. The chemically recycled resin in the film is less likely to have gels, aggregates, or odors after heat treatment. This improves film quality and appearance when stretched.

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Recycle-ready pouches for packaging liquid and viscous food and non-food products that are fully recyclable and can withstand various processing conditions. The pouches are made from multi-layer laminate films containing a compatibilizer component that makes the polymer materials recyclable. The films have separate webs for the exterior and interior surfaces that are joined to make the pouch. The exterior web has a print layer and the interior web has barrier and tie layers. An adhesive joins the webs. A compatibilizer in the barrier layer enables recycling. The pouch structure allows hot fill processing while preserving products.

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Flexible packaging film that provides robustness for bag-in-box and spouted pouches while allowing recyclability. The film has three layers: a biaxially oriented polyamide cap layer, a core layer, and a blown polyethylene seal layer with a compatibilizer. This combination provides strength for packaging rigors while having recyclable components. The polyamide cap and polyethylene seal can be recycled separately.

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Laminate for packaging materials, containers, and articles that can improve hygiene and quality even when the recycled resin content is high. The laminate uses chemically recycled resin instead of material recycled resin. Chemically recycled resin is made by converting discarded resin into a low molecular weight form and then polymerizing it, rather than cleaning and melting used packaging materials. This reduces impurities and thermal degradation compared to material recycling. The laminate has at least 10% vol or mass of chemically recycled resin.

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Multilayer film with excellent gas barrier properties, appearance, and recyclability, particularly for wide width films like 500 mm. The film has an outermost layer made of a specific resin composition containing EVOH with 20-50 mol% ethylene content and 90 mol% saponification, and 350-2000 ppm of polyvalent metal ions like Mg, Ca, Zn, Co, Mn. This improves slipperiness between surfaces during extrusion to reduce defects. The film also has inner layers of adhesive and polyolefin resins. The composition allows wide width films with good appearance, gas barrier, and recyclability.

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Cost-effective, recyclable, foil-free laminated packaging material for long-term aseptic packaging of liquid foods. The packaging material has a barrier coating made from reduced graphene oxide applied to a substrate. The graphene oxide is dispersed in water and coated using aqueous dispersion coating methods. The coated substrate is then laminated with other layers to form the packaging material. The graphene oxide reduces in situ to provide oxygen barrier properties. This allows foil-free, recyclable packaging for long-term aseptic storage of liquids without aluminum.

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Stretch blow-molded articles like toner bottles that prevent degradation of the contained toner powder and prevent wax transfer to the bottle surface when made from recycled PET. The molded articles contain a polyester, wax, and an inorganic layered double hydroxide or zeolite. The wax is adsorbed by the inorganic compound instead of transferring to the bottle surface, preventing chemical attack on the toner particles inside. This prevents deformation of toner particle surfaces when stored in the bottle. By using recycled PET, it reduces environmental impact compared to virgin PET.

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Sheet for press-through packaging, like for medicine blisters, with improved properties for environmental friendliness and manufacturing ease. The sheet contains vinyl chloride resin, biomass resin, and a plasticizer. It has a specific storage modulus range of 1-2.6 GPa at 30°C. The biomass resin is a butylene succinate like polybutylene succinate. The plasticizer is epoxidized vegetable oil like epoxidized soybean oil. The vinyl chloride resin has low chlorine content. This composition allows manufacturing press-through packages with biomass content over 10% and reduced bleeding of plasticizers during production.

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Recyclable packaging material with improved strength, heat resistance, and barrier properties. The packaging material is made by laminating a stretched polyolefin film with a gas barrier layer and a polyolefin layer, and then heat sealing it. The key innovation is using the same polyolefin material for both the substrate and the heat seal layer. This allows recycling the material by separating the polyolefin layers. The stretched polyolefin layer improves strength. The gas barrier layer provides containment. The laminate structure enables recycling by separating the polyolefin layers.

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Stand-up pouch with improved strength, recyclability and sealing properties. The pouch has a unique laminated film composition that allows high heat sealing speeds without shrinkage or damage. The film layers are an outer nylon-containing stretched layer, an intermediate biaxially oriented PE layer, and an inner unstretched PE layer. The pouch also has a high polyethylene content (85% or more) and low nylon and PET contents (10% or less each) to balance strength and recyclability.

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A low-cost, food-safe packaging solution for individual doses of solid or pasty products that allows industrial production in large series. The packaging uses cardboard layers with windows cut out to form reservoirs. The layers are assembled with outer layers on either side and an intermediate layer between. This allows creating a sealed reservoir using the solid outer surfaces. The cardboard layers can be made from recycled material. The windows can have features like gripping shoulders and blades to help remove the product. The cardboard layers are assembled using adhesive. This provides a low-cost, food-safe alternative to paper-based packaging for products like pills or food samples.

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Laminated film and packaging bags made from polyethylene-based resins that can be easily recycled while maintaining properties like stiffness, water vapor barrier, and light blocking. The film structure involves a base film with a high melting point PE and a sealant film with a lower melting point LLDPE. At least one layer of the film contains a colored filler. This allows recycling with mono-material PE bags while still providing desirable properties. The sealant film can have a multi-layer structure with the colored filler in an inner layer. The colored filler can be white, black, or a combination. The filler loading is 10% or less based on film weight.

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Eco-friendly packaging for breakable printed products like ceramic mugs that eliminates fillers and separate inserts. The packaging is made from a single sheet of recyclable and biodegradable corrugated material. It has flaps that fold inward to create a protective container for the product. The bottom flaps have notches to hold the product, and the top flaps have vertical notches to create tabs. The packaging can accommodate different sizes of the same product by adjusting the folding of the top flaps.

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Biodegradable, folding container for batteries that is made from renewable or recycled materials like corrugated paper or cardboard. The container is designed to replace plastic battery packaging that is discarded after each recharge. The folding container allows easy access to the battery terminals for recharging without breaking apart the container. It provides protection and shock absorption during transport. The biodegradable material reduces environmental impact compared to plastic. The folding design reduces waste by eliminating the need for new plastic containers for each recharge. The container can be flattened and reused multiple times.

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Product packaging material with high paper content and transparency to reduce plastic use. The packaging has a pouch formed between a main sheet of unlaminated paper and a transparent front sheet made of either film or cellophane. They are bonded together using water-based adhesive. The paper weight in the packaging exceeds 50% or 60% to increase recyclability. The transparent front allows product visibility while reducing plastic content compared to fully plastic packaging.

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Recyclable, reusable, and visually appealing packaging cushion made from recycled corrugated cardboard that overcomes the limitations of traditional packaging materials like air cushions and styrofoam. The packaging cushion is created by compactly rolling and compressing used corrugated cardboard boxes into a dense, high-density roll. This roll is then cut into thin, flat sheets that are stacked and compressed into a compact cushion shape. The resulting cushion provides excellent shock absorption and filling properties without the issues of leakage, puncture, static electricity, or contamination associated with air cushions and styrofoam. It also has a clean, uniform appearance compared to shredded cardboard. The compact cushion shape allows efficient storage and transportation of the cushion between shippers and recipients. The cushion can then be recycled or reused by compacting it back into a roll.

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A recyclable paper-based packaging film for hygiene products like diapers and sanitary pads that can be easily recycled along with paper waste. The film has a thin coating layer made of biopolymers and vegetable waxes applied to a paper substrate. The coating provides barrier properties to prevent contact between external agents and internal components. The paper-based film can be formed into different packaging shapes like box pouches and pouches with angled bottoms, unlike conventional polymer-based packaging. The recyclability and versatility of the paper-based film make it an environmentally friendly alternative to polymer films.

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Visible packaging for adhesive products like glue tubes that allows sustainable, recyclable, and easier opening compared to traditional blister packs. The packaging has a cardboard rear wall with a plastic molding over the product. The molding is removably attached to the cardboard using mechanical fasteners like clips or snaps instead of chemical adhesives. This allows the cardboard to be recycled separately from the plastic. The molding can also be designed to detach cleanly from the cardboard when opening, preventing tearing and waste. The molding can also double as a trough to catch spilled adhesive.

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Molded fiber packaging that is suitable for wet products without using excessive plastic. The packaging is made by wet molding a fiber material like recycled paper or cardboard. To make it waterproof, the molded fiber is coated with a thin layer of hydrophobic material. This prevents water absorption and keeps the contents dry. The hydrophobic coating can be applied using techniques like spraying, dipping, or roller coating. The coated molded fiber packaging provides water resistance without adding plastic layers or inserts, reducing waste and simplifying recycling.

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Eco-friendly insulated packaging box that replaces Styrofoam boxes for shipping perishables. The box is made from molded pulp with hollow bottom and walls filled with cellulose powder for insulation. This provides comparable insulation to Styrofoam while being recyclable. The powder-filled voids compress during shipping and expand on return to maintain the box shape. The box can also have a pulp or corrugated upper cover filled with cellulose powder. The powder-filled voids compress during shipping and expand on return to maintain the box shape.

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Packaging laminate material, outer layer adhesive, and a method for producing the same that uses environmentally friendly materials. The packaging laminate has an inner layer film, outer layer film, aluminum foil, inner adhesive, and outer adhesive. The outer adhesive is a polyurethane made from an eco-friendly polyester polyol derived from recycled polyester or biomass raw materials. The polyol has a weight average molecular weight of 25,000 to 75,000, number average molecular weight of 18,000 to 55,000, and glass transition temperature of -30°C to 60°C. The isocyanate component is an adduct of toluene diisocyanate and a C4-C15 polyol.

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Gas barrier film for packaging that reduces environmental impact and improves barrier properties compared to traditional films. The film contains chemically recycled polyester with specific intrinsic viscosity and melting point ranges. It also has a thin inorganic coating. The chemically recycled polyester allows using recycled material with lower environmental impact. The viscosity range prevents excessive stretching forces during film production that can cause breaks. The higher melting point improves heat resistance. The thin inorganic coating further improves barrier properties.

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Biaxially oriented polyester film containing chemically recycled polyester with low melt resistivity to prevent pinner bubbles during production. The film has 20-95% chemically recycled polyester and an alkaline earth metal-phosphorus ratio of 1.0-5.0. It reduces environmental impact by using recycled polyester and allows high film production speed without bubbles. The film can be used in laminates for packaging containers.

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Biaxially oriented polyester film with improved strength and reduced breakage during production, containing chemically recycled polyester with specific properties. The film has an intrinsic viscosity of 0.50-0.70 dl/g and melting point of 251°C or higher. This reduces stress during stretching and prevents film breakage. The chemically recycled polyester content is 20% by mass or more. The film can be used in laminates and packaging containers. The recycled content reduces environmental impact.

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A closed-loop recycling process for bioplastic packaging that enables sustainable and practical recycling of flexible bioplastic packaging. The process involves tracing, distributing, awareness, recovery, control, and reprocessing steps. The tracing step involves adding markers during or after manufacturing to track the packaging. Users are sensitized about recycling through messages. Packaging is recovered, then reprocessed into granules. To prevent degradation, some virgin bioplastic is added. The number of recycling iterations is determined by the manufacturer. This process allows repeated recycling of bioplastic packaging until it can no longer be reprocessed, then final disposal. The iterative process aims to extend the life of bioplastic packaging and prevent waste.

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Recyclable stand-up pouch for beverages that is fully recyclable, made from polyethylene, and suitable for hot filling of beverages. The pouch has a monomaterial construction with a thicker sealing layer compared to the outer layer to provide the required sealing properties. The pouch can also be printed on the sides and protects the contents from spoilage. The aim is to create a fully recyclable pouch that meets the requirements of the Plastics Pact 2025 and provides long-lasting, tasty beverage products.

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Manufacturing device for eco-friendly food packaging trays that are easily separable and disposable. The tray frame is made of paper and a stretched synthetic resin film is attached to the inside. This provides waterproofing and allows sealed packaging using thermoplastic film. The paper tray is formed in a molding process and the synthetic resin film is applied using heated molds. The film is stretched and coated on the tray surfaces. This allows easy separation of the tray and film for recycling.

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Polyolefin packaging material that can be recycled and has improved barrier properties compared to conventional aluminum plastic films. The packaging material has a polyolefin adhesive layer made from a maleic anhydride-grafted polyolefin copolymer. This allows bonding the polyolefin films without using a different adhesive. The maleic anhydride grafting provides good adhesion. The polyolefin films are a cast polypropylene film and a biaxially oriented polypropylene film. The biaxially oriented film has vapor deposition for gas barrier properties. The maleic anhydride-grafted copolymer provides both adhesion and barrier properties. The packaging material can be recycled as pure polyolefin without separating the adhesive layer.

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Recyclable stand-up pouch for drinks that uses a mono-material construction of polyethylene layers to eliminate the need for laminates. The pouch has an outer layer for printing, a sealing layer, and an inner functional layer. The outer layer is printed using a series process like gravure or flexo printing. The sealing layer has a greater thickness than the outer layer to ensure tight sealing. The pouch is sealed using heat and has a bottom gusset to stand up. The mono-material construction allows recyclability, hot filling, and print accuracy.

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Microwavable food package with steam vent and easy opening. The package has a base layer made from recycled PET and a heat-sealable layer. It has an opening guide on the back seam to help tear open the package. The opening starts at a designated point. The guide prevents the tear from extending too far. The recycled PET base reduces environmental impact. The guide allows a wide opening and using the package as tableware.

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Packaging film for bags that can be recycled and heat sealed without degradation. The film is made of two or more layers, all made of the same polyolefin resin. The resin has specific melt flow rate (MFR) and density values to enable recycling without contamination and proper heat sealing. The A layer on the outside has MFR 0.5-10 g/10min, density 0.900-0.970 g/m³. The B layer on the inside has MFR 3-30 g/10min, density 0.850-0.930 g/m³. (MFRA < MFRB, ρA > ρB). This prevents contamination when recycling multiple layers made of the same resin. It also allows wide temperature range heat sealing. The layers can have barrier coat

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Food packaging material with improved hiding properties and recyclability compared to transparent packaging. The material uses an opaque adhesive layer sandwiched between transparent films. The opaque adhesive is made by mixing a urethane adhesive with ink pigments. This opaque layer prevents colors from transferring between the films and improves hiding properties. The transparent films can be recycled separately from the opaque adhesive. The adhesive formulation uses specific ink pigment, solvent, and dispersant amounts to optimize adhesion and opacity.

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Packaging film, bags, and products that have excellent gas barrier properties while minimizing decrease in polyolefin content. The film structure is a gas barrier layer, adhesive layer, and sealant layer. The barrier layer has a polyolefin base with a heat-resistant layer containing a high melting point resin. The adhesive bonds the layers using melt extrusion. The sealant is polyolefin. This configuration prevents expansion/contraction of the barrier layer during bonding which preserves barrier properties. It also allows higher melting point resins in the heat-resistant layer to suppress expansion. This suppresses film cracking and maintains barrier. The polyolefin-rich layers enable easier recycling.

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Laminate for packaging materials with high recyclability and low environmental impact. The laminate has a protective layer sandwiched between a base layer and a sealant layer, all made of polyethylene. The protective layer contains an acrylic polyol, an isocyanate compound, and a metal. The laminate is heat cured using silane coupling agents and metal alkoxides. The metal in the protective layer provides barrier properties. The laminate has 90% or more polyethylene content for recyclability. The protective layer thickness is 0.4-2.0% of the laminate total. This laminate has good heat sealability, maintains appearance after hot water treatment, and high recyclability.

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Uni-material packaging film with barrier properties and uni-material packaging made from it. The film has a thin coating sandwiched between a film layer and a sealant layer, both made from a single material like polyethylene. The coating provides barrier properties like oxygen and moisture resistance. The coating thickness is 1-2 microns and less than 1% of the film weight. The film is uniaxially stretched and the sealant layer is a different polyethylene. This allows a recycled uni-material packaging with printability and barrier properties.

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Oil and grease resistant, recyclable, and fluorochemical-free multiwall paper packaging for food and consumer products. The packaging structure has three layers: an outer paper ply, an intermediate paper ply, and an inner polymer film ply. Adhesive spots on the inner polymer film and intermediate paper ply are aligned and spaced apart to prevent overlap. This allows separate adhesive layers between each ply to secure them without creating a continuous barrier that would prevent recycling. The paper layers provide strength and barrier properties, while the polymer layer prevents oil/grease leakage. The structure is recyclable, repulpable, and grease resistant without using fluorochemicals.

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Packaging material made from recyclable materials like paper and pulp that provides good cushioning properties for shipping fragile items. The packaging material uses a specific binder containing polysaccharides and proteins, a softening agent like a urea derivative, and a foaming agent like sodium bicarbonate. This allows manufacturing foam packaging with low specific gravity and good cushioning ability. The foam material can be molded into embossed sheets or bonded to a base layer. The softening agent reduces migration of color from the foam to contact objects. The foaming process uses sodium bicarbonate to lower the foam density. The foam material can be used in composite products like cushioning layers, multilayer structures, and composite recycled materials.

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Collapsible tubes for packaging products like toothpaste that are made from a laminate structure with specific layers to enable recyclability. The laminate has a top printable layer without medium density polyethylene (MDPE), a sealant layer with high density polyethylene (HDPE), and an intermediate layer with a barrier coating. This allows recycling the tubes in HDPE streams without separation steps.

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Recyclable polyethylene film for packaging with improved printability, durability, and processability. The film has a multilayer structure with separate printing and sealing layers. The printing layer contains a mixture of LLDPE, LDPE, and HDPE resins. The sealing layer contains LLDPE, MDPE, and HDPE resins. The melting points of the outermost printing layer and sealing adhesive layer are matched. This allows high-speed bundling and heat sealing at low temperatures without damaging the film. The film also has properties like puncture resistance, tensile strength, elongation, haze, and hot tack balance. The layered structure improves print quality, reduces defects, and enables recyclability compared to heterogeneous composite films.

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Method for manufacturing sanitary product packages that enables recycling of the packaging materials and reduces environmental impact. The method involves collecting leftover resin film scraps from cutting and joining steps during sanitary product packaging. These scraps are then used to recycle the resin film for subsequent product packages. This allows making the recycled resin film color similar to virgin film by avoiding printing on the scraps. This enables printing the recycled film in desired colors for sanitary product packages. The scrap collection and recycling promotes using recycled materials and reduces waste compared to using all new resin film.

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Eco-friendly ice pack pouch and manufacturing method for making ice packs with reduced environmental impact compared to traditional ice packs. The pouch is made of a composite material containing both recycled and non-recycled resins in a specific weight ratio. The pouch is folded, sealed, and cooled in multiple steps to fill it with water and freeze. This allows reusing the pouch and reducing waste compared to disposable ice packs.

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