Glass Fiber Technologies for Structural Reinforcement

Natural fiber-based transparent composites for food packaging that provide a sustainable alternative to fossil fuel-based packaging materials. The composites are made by UV polymerization of alkene and thiol-based monomers with natural fibers like jute. The UV radiation initiates crosslinking reactions to form a tightly bonded matrix around the fibers, resulting in high transparency (>90%) for packaging applications where visibility of contents is essential. The composites offer benefits of natural fiber composites with improved mechanical properties compared to neat polymer films.

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Recyclable packaging material for dense item packaging applications like pet food bags that can be processed on conventional packaging equipment. The material is a multi-layer structure with a reinforcing layer made of polyethylene textile sandwiched between other polyethylene layers like film and sealant. This allows recyclability since the layers are all polyethylene. The reinforcing layer provides strength and puncture resistance. The layers are adhered together with tie layers.

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Packaging method using paper strapping that allows bottles to expand without breaking during transportation without needing shrink film. The strapping is made with a high percentage of paper fibers oriented perpendicular to the strapping length. This allows the bottles to expand up to 5% without tearing the strapping. If the fibers were parallel, the strapping would tear at that level of expansion. The perpendicular orientation provides flexibility and strength to accommodate bottle expansion.

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A recyclable pouch that can be suspended and reinforced near the hole to prevent tearing. The pouch is made of fibrous material like paper or cardboard. A strip of fibrous reinforcement is added between the front and rear walls of the pouch near the hole. This concealed reinforcement increases strength near the hole where it is susceptible to tearing. The reinforcement can be joined to the walls using heat activated adhesive for added durability.

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Biodegradable keratin-based bioplastic films for packaging applications that are fully biodegradable, made from upcycled natural wastes, and contribute to circular economy. The films contain keratin proteins extracted from animal hair and cellulose nanofibrils. The keratin and cellulose nanofibrils are homogeneously dispersed in the film matrix. The cellulose nanofibrils reinforce the keratin film to improve mechanical properties. The keratin and cellulose nanofibrils form a biodegradable composite film with potential for biodegradable packaging applications.

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Packaging unit made of molded pulp material for storing and transporting products like eggs. The packaging unit has a hinged cover and bottom connected by a hinge. The cover and bottom sides have ribs for support when stacking. The lock between the cover and bottom has a protruding cam element with a rib that prevents the cover from fully opening during handling. This prevents accidental unlocking and product spillage. The ribs, denesting supports, and microfibrillated cellulose (MFC) in the pulp provide improved strength, stackability, and barrier properties compared to traditional molded pulp.

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Paper packaging for fruit and vegetables that is more ecologically friendly and has better mechanical properties compared to conventional paper packaging. The packaging is made from a paper product with a paper layer containing hemp fibers instead of wood fibers. Hemp fibers provide high tear resistance for the packaging without using recycled paper. The hemp fiber paper layer is sandwiched between coatings to create a multi-layered paper web. This hemp paper web is used to produce flow pack packaging for fruits and vegetables. The hemp paper provides improved strength and durability for the packaging while avoiding recycled paper.

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Packaging base paper that is resistant to tearing even when folded, resistant to tearing even when contacted with sharp objects or protrusions, and has uniform puncture strength. The paper contains 70% or more softwood pulp, has a disintegration freeness of 550 to 690 ml, and a formation index measured by total beta rays of 1 or less. This configuration provides high folding strength, resistance to contact damage, and uniform puncture strength for sealed containers like pouches without excessive plastic usage.

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Filter material for tea bags and other food packaging that uses a biodegradable binder to enhance strength and compostability. The filter contains fibers and a non-fibrous binder like polylactic acid, polyglycolic acid, or copolymers thereof. This binder enhances wet strength properties like tensile and crimp strength compared to traditional synthetic binders. The biodegradable binder also prevents water ingress into the crimped area, making the fold more permanent and reducing dust transfer through the filter. The biobased binder improves compostability and sustainability compared to fossil-based binders.

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Modified atmosphere packaging (MAP) unit made from biodegradable materials for containing and storing food products. The MAP unit is made from molded pulp material and has a biodegradable barrier film/coating inside to maintain the modified atmosphere. The molded pulp body is reinforced with biodegradable materials like microfibrillated cellulose. The unit also has biodegradable seals and lids. The biodegradable materials allow the packaging to break down after use. This provides a sustainable and compostable alternative to plastic MAP units.

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Packaging unit for storing, transporting, and displaying products like eggs made of molded pulp material. The packaging unit has a bottom part with product compartments and a hinged cover part. The bottom part has a lock with a protruding cam. The cover part has a front edge with side cam edges. This allows the cover to self-align and prevent opening when forces act on the sides. It also provides additional support when stacking. The molded pulp material contains microfibrillated cellulose (MFC) fibers to improve strength and barrier properties.

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A method for manufacturing a packaging sheet with controllable internal structure. The method involves depositing a mixture of natural fiber (first fibers) and coated fiber (second fibers with a thermoplastic coating) onto a mesh belt. The deposited fiber web is heated to melt the coating on the second fibers. The web is then consolidated and cooled under pressure. This causes the coating to solidify and bind the second fibers together at contact points. The natural fiber retains its original shape and provides additional structure. The resulting packaging sheet has a controlled internal fiber arrangement with bound coated fiber regions and unbound natural fiber regions.

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All-polyethylene standing pouch with improved drop impact resistance to prevent bag breaking when dropped. The pouch has a base layer made of high-density polyethylene fiber nonwoven fabric in the bottom film. This provides better tear strength and tensile strength compared to regular polyethylene to prevent cracks and ruptures when dropped. The nonwoven fabric base layer in the bottom film improves impact resistance and reduces the risk of bag breaking.

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Biodegradable food packaging materials made from biopolymers like PLA, nanobacterial cellulose (NBC), and PEG400. The materials can be used for packaging fruits, vegetables, shoots, seeds, etc. The NBC is produced from a specific strain of Bacillus licheniformis. The PLA-NBC composite materials have improved mechanical properties like tensile strength compared to PLA alone. The NBC provides stiffness and PEG400 adds elasticity. The materials are also antimicrobial. The NBC can be coated onto paper or formed into membranes. The PLA-neem extract coating is another biodegradable option.

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A cost-effective and easier-to-manufacture container design for food products that uses stiffened foil sheets instead of complex multi-layer metal foil. The container has a fibrous outer sleeve, an inner fibrous sleeve, an outer metal sleeve, and a middle laminate layer at the bottom. The middle laminate layer has a metal top layer, a fibrous middle layer, and a metal bottom layer. This provides stiffness and strength without needing multiple layers of metal foil.

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Long fiber nonwoven fabric for airbag packaging with high strength, flexibility, and tear resistance. The fabric is made of polyester fibers with an average diameter of 10-20 μm and a cross-sectional porosity of 30-80%. This combination provides a balance of mechanical properties for airbag storage. The fabric is produced by melt spinning, regulating fiber arrangement, preheating, and thermal bonding. A flame retardant layer can be added for added safety. The fabric has low tearing and elongation in both directions and follows the storage device shape.

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A semi-chemical crumb paper with excellent quality and resistance characteristics for use in packaging. The paper is made from a unique fiber blend containing short fibers from eucalyptus trees, along with recycled fibers like declassified, unsorted, and scrap paper. This composition allows producing a robust paper with properties similar to longer fibers from birch trees. The eucalyptus short fibers provide strength, while the recycled fibers fill gaps. The paper has exceptional resistance to impacts, moisture, and crushing, making it suitable for critical packaging applications.

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Sealing method for pouched oral products like snuff that allows using biodegradable materials without needing thermoplastic bonding. The sealing involves joining two layers of the saliva-permeable packaging material by forming inter-ply fibers that connect the layers. The inter-ply fibers are created using an entangling unit like needle-punching or hydro-entangling. This allows sealing the pouches without melting or softening the material.

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Packaging material for oral snuff products that provides better strength and comfort compared to conventional materials. The packaging material has a unique fiber composition that prevents joint failure when exposed to flavoring agents. The material contains a high ratio of wet strength to dry strength fibers. This prevents film formation when wet like conventional materials do. The material also has improved flexural rigidity and tensile strength for better overall strength. The lack of film formation allows better resistance to flavorings compared to conventional materials. The packaging material surrounds portions of smokeless tobacco or non-tobacco compositions in oral snuff products.

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Packaging design with fiber-based materials that allows steep flanks and fixation features for securing packaged goods. The packaging has two elements, one with a cavity and the other with a contour, that fit together to enclose items. The cavity element is formed by deep drawing fiber material to create a recess for the goods. The contour element is also formed by deep drawing to create a feature that extends towards the cavity element to fix the goods inside. This allows fiber-based packaging with steeper flanks and fixation features for securing packaged goods, improving stability and preventing goods from moving or prying open the packaging.

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