Wrappers TRIZ Cases

A bran biocomposite uses a compatibilizing agent to modify fiber surfaces and enhance dispersion within the polymer matrix.

Concentrating alkali metal salts at the EVOH-polypropylene interface prevents delamination without adhesive resin layers.

Low-temperature heat treatment at Tg-20°C converts radiation-induced radicals into oxygen consumption, preventing thermal deformation and odor generation.

A polyolefin substrate with a metal oxide layer maintains gas barrier properties after retort sterilization through controlled silicon alkoxide ratios.

A polyvinyl alcohol film uses a specific surfactant to maintain appearance during storage.

Electron beam radiation lowers melt viscosity of polyester coatings.

A perforated tear line splits a water-soluble film packet into independent compartments for manual portion control.

Co-condensing lactic acid with polyols reduces viscosity and solubility barriers in energy curable lithographic inks.

Ethylenebis fatty acid amide bleeds from a polyolefin resin layer to form a stable polymolecular surface coating.

Tiltable forming units control tube rotation for precise sealing band alignment on slanted top walls.

A multilayer lamination film uses white ink with a crystalline binder resin to create high-visibility printed lines via laser irradiation.

A laminated packaging container uses a paper substrate to achieve self-supporting stability without excessive thickness.

A sealed wrapper uses a pleated cup to hold confectionery products securely.

High-pressure compaction reduces apparel volume while a smooth mold and shrink wrap hide wrinkles from the compressed bundle.

A tray socket integrates inwardly-sloping walls and shelf structures to securely hold beverage cups and bowls.

A thermoplastic resin composition with carbon-carbon double bonds absorbs oxygen using a transition metal salt catalyst.

Coextruded biaxially-oriented film with polar copolyamide layers prevents localized ruptures and excessive thinning during thermoforming.

A single-layer polyamide film coated with PVC or PVDC modulates water vapor transmission to maintain optimal humidity levels.

Silane crosslinking agents form protective layers preventing polyol adhesive interaction with ink resins during high-temperature cooking.

Microfibrillated cellulose reinforces corrugated fiberboard to maintain compression strength during cyclic humidity exposure.

A stretchable polymer film with holes and reinforcement elements ensures even force distribution during pallet wrapping.

A degradable coffee packaging system uses two filter layers to define a reception volume for the infusible substance.

Rectangular bases enable existing equipment processing while rounded tops provide snug container wrapping.

A child resistant lid uses a retaining groove and lip to constrain outer lid movement relative to an inner lid.

An aircraft covering device employs a rib structure on a sealing element to accommodate relative movement while preventing object penetration.

Alternating row expansion patterns in slit sheet paper increase cell density while reducing thickness, lowering the force required for expansion.

Alum-treated linerboard retains strength when wet, resolving the trade-off between moisture resistance and recyclability during repulping.

Segmented adhesive coating strings bond hygiene packaging sheets while leaving a central gripping gap, preventing contamination during disposal.

A multilayer film combines thermoplastic polyester and starch layers to create a biodegradable packaging material.

Segmented crown guard flaps overlap a central panel stop edge to stabilize beverage containers and prevent breakage during transport.

Transparent paper packaging uses sealing and hydrophobic varnishes to create a moisture-resistant, recyclable material for automatic food machines.

A biaxially stretched polyamide resin film uses monomer extraction to lower extracted substances below 0.1 percent by mass.

A single-sided hydrophilic SMS nonwoven fabric uses spatially differentiated layers to absorb condensed water while maintaining structural strength.

A polyvinyl alcohol film blend achieves complete cold water dissolution through optimized polymer ratios.

Pre-formed crease lines guide material flow during forming to produce non-rectangular packaging while preserving seam integrity and liquid tightness.

A gas-permeable film uses a non-penetrating recession structure to control gas permeation.

Segmented tray and disposable barrier sheet prevent cross-contamination while enabling usage tracking.

Foamed thin film reduces resin content while maintaining yield stress and opacity, avoiding tear strength loss in packaging with opening features.

Tetralin polyamide resin absorbs oxygen without metal detector response or odor generation.

Composite outer layer of ionomer resins and polybutylene provides stack sealability without reducing shrinkage or optical properties.

Parallel wrapping stations share feeding and discharge lines to maintain continuous film packaging operations despite individual station failures.

A sealing accessory relocates adhesive from the substrate to prevent tangling with harvesting machinery while maintaining bale protection.

Blending crystalline and amorphous polyamide resins with titanium oxide prevents shade unevenness during retorting while retaining light shielding.

A packaging material combines a locally stretched film with a woven fabric layer to create a reinforced composite structure.

A water soluble pouch features a weakened seam line that dissolves first, separating chambers to resolve slow dissolution times in low-water washing cycles.

A foam package material uses specific urea derivatives and polyhydric alcohols to stabilize cushioning properties.

A coated paper uses a wax and bio-based polymer coating to provide hydrophobicity and heat-sealability for sustainable packaging applications.

Segmented lid film separates barrier and permeable layers via a peelable interface, maintaining evaporation rates above 40% after partial removal.

A heat seal layer uses polyamide to disperse organically modified nanoclay in a polyolefin matrix.

A water-soluble primer layer improves adhesion between substrate and barrier films in food packaging materials.