Wax for Package Moisture Protection

Biopolymer blown film with improved processability and reduced blocking for compostability. The film comprises a PHA blend base with higher PHA content than other biopolyesters. This reduces stickiness compared to pure PHA. The film also contains a wax to further reduce friction. The film can further have a slip additive, antiblock additive, and processing aid. The PHA blend base composition and wax help balance friction and blocking properties for processability and compostability.

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Multilayer packaging material for food applications that is biodegradable and compostable. The multilayer has a water-soluble inner layer with oxygen barrier and an outer layer with wax for water vapor barrier. This allows replacing traditional non-biodegradable multilayers used in food packaging. The inner layer prevents oxygen transmission, while the outer layer with wax prevents water vapor transmission. The wax layer minimizes odor migration and can be natural or food-safe wax. The water-soluble inner layer can be made of a crosslinked polymer composition of a water-soluble polymer and PCL.

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Multilayer packaging structure for food applications that is biodegradable and compostable. The multilayer has an inner layer made of water-soluble polymer with oxygen barrier, an intermediate layer with wax for moisture barrier, and an outer layer of water-soluble polymer. The wax layer prevents odor transfer and migration. The multilayer is suitable for food packaging and can be composted after use. The water-soluble inner and outer layers seal the paper base. Crosslinked PVOH/PCL in the outer layer improves oxygen barrier.

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Multilayer packaging structure for food applications that provides improved barrier properties while being bio-degradable and compostable. The multilayer has an inner layer made of a crosslinked mixture of water-soluble polymers like PVOH and PCL, which improves oxygen barrier. An outer layer made of a wax like beeswax provides water vapor barrier. This enables a multilayer with both oxygen and water vapor barrier properties using biodegradable materials.

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Waterproof and oil-proof slurry for cellulose-based biodegradable tableware that is non-toxic and environmentally friendly. The slurry contains paraffin wax, emulsifier, ethyl orthosilicate, polyvinyl alcohol, and water. It is prepared by heating water, adding paraffin, emulsifier, and ethyl orthosilicate to form a solution, then heating more water and adding polyvinyl alcohol to form a second solution, and mixing the two solutions together. The slurry can be applied to cellulose tableware to prevent water and oil seepage without using harmful perfluorinated chemicals.

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Aqueous dispersion composition containing ethylene-carboxylic acid copolymers that reduces blocking during storage while maintaining adhesion properties. The dispersion includes the copolymer, an anti-blocking agent based on wax with a melting point of 80°C or less, and water. The wax content is at least 5% by weight relative to the copolymer. This wax composition helps prevent sticking of the dispersion during storage by reducing blocking forces.

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Biodegradable packaging for honey made from a mixture of sodium alginate and beeswax that provides longer shelf life and antifungal protection compared to traditional packaging. The alginate-beeswax films are used to package honey from bees. The films have improved barrier properties and antifungal activity due to the beeswax component. The alginate-beeswax films prevent moisture loss and contamination better than alginate films alone, preserving the honey quality for longer.

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A hot melt adhesive for high speed packaging of coated substrates like film-coated cardboard. The adhesive formulation has specific proportions of high molecular weight resin, wax, oil, tackifying resin, and antioxidant. The wax is modified polyester wax with shorter chain carboxylic acid groups. This provides improved adhesion and curing speed on coated substrates compared to traditional waxes. The modified wax, along with the other components, enables high speed packaging of coated materials like film-coated cardboard without compromising adhesion.

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Laminate for food packaging that provides excellent barrier properties, aroma confinement, and recyclability. The laminate has a coating layer on at least one surface of a paper substrate. The coating contains a polymer with ethylenically unsaturated monomers, wax, and a silicone antifoaming agent. The wax is paraffin wax and/or polyethylene wax. The coating amount is 0.5-10 g/m2. The coating contains 0.005-1% silicone antifoaming agent based on the coating weight. The coating has 35-80% aromatic ethylenically unsaturated monomers. This coating provides water resistance, oil resistance, seasoning resistance, blocking resistance, microwave resistance, and air shielding for food packaging. The air shielding prevents

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Coated paper for use as packaging that is heat-sealable, sustainable, and environmentally friendly. The coating on one side of the paper is made from a wax and a biodegradable polymer like polyester, polysaccharide, or polysaccharide derivative. The paper is extensible and can be made by applying the coating emulsion to a compressed cellulose layer. The coating provides barrier properties, hydrophobicity, and sealability without using ecologically undesirable components. The coated paper can replace single-use plastic packaging.

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Polymer compositions containing biobased polyethylene wax made from renewable resources like plant materials. The compositions can be used in applications like hot melt adhesives, coatings, cosmetics, and packaging. The biobased PE wax can replace traditional petroleum-based waxes. It has lower carbon footprint and enables using renewable resources in polymer applications. The biobased PE wax can be combined with other polymers, fillers, additives, and modifiers to create functional compositions for various applications.

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A manufacturing method for aluminum vacuum packing material with built-in rust prevention and anti-static properties. The method involves mixing rust inhibiting agents like calcium benzoate, potassium sorbate, sodium caprylate, glyceryl monostearate, zinc oxide, and silicon dioxide to make a vaporizable rust preventive agent. This agent is mixed with high MFR polyethylene wax and sprayed between the aluminum foil and sack during packaging. The wax contains the vaporizable rust preventive agent and helps adhesion. The wax also has antistatic properties. This eliminates the need for separate rust prevention coatings or adhesives. The vaporizable rust preventive agents evaporate during vacuum packaging to protect the contents.

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A multilayer water-dispersible article with improved barrier properties against moisture. The article has a water-soluble polymer layer and a separate wax coating layer. The wax layer is sandwiched between the polymer layer and the environment. The wax coating improves moisture barrier compared to just the polymer layer. The wax is present in an amount of 5-30 phr based on the polymer. The article has <20 g/m2/day water vapor transmission rate.

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A method to produce almost gastight and watertight packaging for food applications using natural materials. The method involves coating a cellulose-based substrate with a biodegradable coating to increase gas-tightness. This first coating can be made of microfibrils or nanofibrils of cellulose. A second waterproof coating is then applied, composed mainly of animal and/or vegetable waxes and/or lipids. This second coating provides additional gas-tightness to make the packaging suitable for long-term storage of food items. The combination of the biodegradable cellulose coating and the waterproof wax coating allows for natural, sustainable packaging that can replace some plastic packaging in applications like food packaging.

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Water-based heat sealant for paper containers that replaces plastic films in paper cups and other containers. The sealant is an aqueous dispersion containing an olefin-α, β unsaturated carboxylic acid copolymer, wax, and water. It provides waterproofing, strength, and recyclability without plastic films. The sealant is applied to at least one paper surface, softened by heating, and forms a bond when pressed together. The sealant can be used in paper containers instead of plastic films to create a fully paper container that is recyclable and biodegradable.

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A method to prepare special wax for waterproof packaging that provides better water resistance compared to conventional waxes. The method involves adding resin additive, synthetic wax, polymerization assistant, antioxidant, and polyvinyl chloride to the wax material. The components are repeatedly heated and stirred to fully mix and evenly distribute them in the wax. This improves the waterproof properties of the packaging wax.

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An anti-mildew wax for corrugated cardboard packaging that prevents mold growth without using toxic or corrosive additives. The wax is made by mixing specific proportions of semirefined paraffin wax, polyethylene butyral, stearic acid, and polyvinyl alcohol. The wax is applied to the outer surfaces of corrugated boxes to prevent mold growth during storage and transportation. The wax formulation contains no harmful chemicals, is non-corrosive, and provides long-lasting mold protection without adhesion issues.

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A waterproofing composition made from natural plant-derived waxes that can replace polyethylene coatings on paper products like cups, pods, and straws. The waxes have melting points higher than hot beverage temperatures to prevent melting. The composition adheres well to paper and cardboard to provide waterproofing without separating like PE coatings do. It allows regeneration of disposable items like cups, pods, and straws by using biodegradable materials that can be recycled together.

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Water-based heat-sealable coating for paper food packaging that is oil-resistant and can replace plastic coatings. The coating composition contains 20-31% acrylic styrene copolymer emulsion, 31-41% modified pure acrylic emulsion, 4-6% palm wax emulsion, 30-40% diluent, and 0.62-1.65% auxiliary agent. The coating is applied to paper food packaging materials to create a net-like oil-resistant film that reduces oil penetration. It provides oil resistance, heat sealability, drop recovery, and meets food contact standards. The coating can be used on paper cups and bags as an alternative to plastic coatings.

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Aluminum foil paper coating bonding wax that can be used in all seasons for packaging applications. The wax formula balances initial tack, holding tack, cohesiveness, releasability, low temperature resistance, and high temperature resistance. It uses specific combinations of waxes, polymers, oils, tackifiers, and antioxidants to achieve these properties. The waxes include paraffin wax, polyethylene wax, Fischer-Tropsch wax, and microcrystalline wax. The polymers are polyolefins and random olefin copolymers. The oils are mineral oil and white oil. The tackifier is petroleum resin. The antioxidant is hindered phenolic antioxidant.

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Lid packaging material for food containers that provides high water repellency to prevent food adhesion and has excellent thermal adhesion strength. The material has a thermal adhesive layer on a substrate that contains two or more waxes with different melting points, including carnauba wax. This wax composition increases the melting point of the adhesive layer to maintain water repellency at higher temperatures.

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Coating agent for food packaging boxes that provides waterproofing and gas exhaustion while avoiding issues like residual substances or instability. The coating agent is a composite of specific waxes, polymers, and copolymers. It adheres well to the packaging material, forms a smooth and flat surface, and prevents moisture ingress while allowing gas escape. The coating is applied to the packaging boxes using a method involving CO2 infusion and wax flow filling to achieve stable gas permeability. The coating agent composition is: 55-60% paraffin wax, 15-20% microcrystalline wax, 15% ethylene-vinyl acetate copolymer, 7% polyethylene, and 7% styrene-isoprene-styrene block copolymer.

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Packaging wax with moderate adhesion and good low temperature resistance for use in candy packaging. The wax contains paraffin wax, microcrystalline wax, carbamate wax, beeswax, tackifier, plasticizer, leveling agent, and stabilizer in specific proportions. This composition provides a packaging wax with moderate adhesion strength that does not become brittle at low temperatures. The wax can be directly melted and used in candy packaging machines without additional steps.

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Packaging blanks and containers made from corrugated paper with a wax coating that improves moisture resistance and strength compared to untreated paper. The wax coating contains wax, like paraffin, and untreated calcium carbonate. Applying the wax coating with calcium carbonate instead of treated calcium carbonate like stearate-coated calcium carbonate reduces the amount of wax needed while maintaining or improving the moisture resistance and strength properties. This minimizes the cost of the wax component while still providing effective packaging for moisture-prone products like produce, meat, and plants.

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Blended wax for coating aquatic product packaging boxes that provides excellent waterproofing, tear resistance, adhesion, and toughness. The wax composition contains a specific blend of paraffin wax, microcrystalline wax, polyethylene wax, poly-α-olefin, hydrogenated C5 petroleum resin, and antioxidant. The synergistic effect of these components when coated on the packaging boxes enables them to have superior performance in all required areas simultaneously.

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Heat-sealable water-based coating composition for paper and paperboard substrates that provides barrier properties against water, oil, and fat. The coating composition contains molten waxes that penetrate the paper fibers during heating and sealing, providing effective protection against liquids. The wax seeps into the fibers and wicks to edges to seal them. The coating also contains acrylic polymer emulsions and water. The composition is heat-sealable, compostable, and eliminates additional steps compared to polyethylene coatings. The coated paper can be heat sealed without additional materials or steps to achieve barrier properties.

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Food packaging made from cotton cloth impregnated with a mixture of beeswax, resin, and jojoba oil. The specific composition of the mixture is 85-95% beeswax, 5-15% tree resin, and 5-15% jojoba oil. This improves the antibacterial properties of the food packaging compared to traditional wax-resin-oil compositions.

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Adhesive wax for packaging that provides non-destructive peelability and long-term aging resistance. The wax contains a specific blend of components, including wax, polyalkene, antioxidant, and phosphite auxiliary antioxidant. The phosphite auxiliary antioxidant helps improve aging resistance without affecting bonding performance. The wax formulation allows the adhesive to bond well while also preventing damage during peeling, even after long-term storage.

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Packaging material that can effectively protect food products from spoilage without affecting their quality. The packaging material is made by impregnating a base component with a specific composition containing wax, conifer resin, and vegetable oils. This modifies the base material to have reduced air and moisture permeability, inhibiting microbial growth and preventing spoilage. The wax allows impregnation of the base component while still allowing reuse. The resin and oils provide antimicrobial properties. The packaging material protects food from spoilage while preventing oxidation, moisture, and odor transfer.

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A paper product packaging protective wax that improves moisture resistance and reduces adverse effects compared to existing waxes. The wax is made with specific components like composite wax, waterborne alkyd resin, wetting/dispersing agent, emulsifier, antifungal agent, and deionized water. The wax is applied to paper packaging to enhance moisture barrier properties without discoloration or other negative impacts on the paper.

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A structure for rustproof packaging of metal products that prevents absorption of rust-preventive oil by the packaging material. The packaging material has an oil-resistant layer on one or both sides of the rustproof layer. This prevents the rust-preventive oil from being absorbed by the rustproof layer itself, reducing the risk of corrosion. The oil-resistant layer is formed by coating paraffin wax or a wax mixture onto the rustproof layer using a coater.

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Coating solution for producing a barrier layer on packaging materials like paper that improves their water, oxygen, and carbon dioxide barrier properties. The coating solution contains wax, whey, and glycerol/sorbitol. The wax provides the barrier, whey enhances it, and the glycerol/sorbitol improves adhesion. The coating process involves applying the solution to one or both sides of the packaging material.

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Sanitary napkin packaging film sealing adhesive for individually packaged disposable sanitary products that provides easy tearability and prevents sticking to the packaging film. The adhesive formulation contains a modified polymer, paraffin wax, pentaerythritol resin, antioxidant, and solvent. The paraffin wax reduces the adhesive's softening point and viscosity, enabling easier tearability while still bonding well. The modified polymer improves adhesion to the packaging film. The pentaerythritol resin provides flexibility. The antioxidant prevents degradation. The solvent aids processing.

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Coating composition and agricultural product box to prevent moisture penetration and maintain freshness of perishable items. The coating composition contains paraffin wax, potassium oleate, polyethylene wax, petroleum resin, water, polytetrafluoroethylene, polyvinyl alcohol, silicone resin, and methyl fructoside oleate ester. This coating when applied to corrugated cardboard boxes significantly reduces moisture permeation compared to uncoated boxes, preserving the quality of stored produce like fruits and vegetables.

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A natural wax derived from hydrogenated plant oils like palm and soybean that can be used to coat cellulosic materials like paper to make them water resistant, while allowing them to be recycled using conventional methods. The wax has a low iodine value (2-5) and melting point between 120-165°F. It is dispersible in warm alkaline water. The wax is made from high triglyceride hydrogenated oils with predominantly stearic acid fatty acids. The wax can replace petroleum-derived or synthetic waxes for coating paper and adhesives, enabling recycling of treated materials.

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Hot melt adhesive formulation with improved speed and heat resistance for packaging applications using plant-derived waxes like soy wax. The adhesive contains a polymer, pressure-sensitive adhesive, and a blend of paraffin wax, synthetic wax, and soy wax. This formulation allows faster fixation in 5 seconds or less at temperatures as low as 130°F and better heat resistance compared to conventional paraffin waxes. It's useful for packaging sealing applications like cardboard cases and cartons.

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Packaging wax using thermoplastic polymers to improve handling and prevent lumping. The method involves mixing paraffin wax into molten thermoplastic film before solidification. This allows the wax to disperse evenly instead of forming lumps. The wax-infused film is then used to package products like bitumen. This prevents solidification issues during transport.

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