Wrappers TRIZ Cases

Electrostatic intaglio printing transfers charged ink from recessed components to laminate surfaces for precise multicolored decoration.

Segmented hollow tubes bonded to plies balance rigidity and moisture resistance while enabling easy folding.

Stress-relieving score lines in beverage carton blanks distribute lifting forces to prevent material tearing.

A microlayer film uses submicron pigment particles to achieve high opacity and tear strength in heat-shrinkable packaging.

Blending polypropylene with polyethylene maintains tensile strength at 6-20 μm, resolving the trade-off between material consumption and mechanical integrity.

A multilayer sealant film uses a polycycloolefin outer layer to achieve sufficient low-temperature sealing strength.

Printing pigments on the inner surface of water-soluble packaging protects images from mechanical damage and smudging during handling.

Composite paperboard walls coated with biodegradable polymers prevent moisture transmission, resolving leakage risks in sustainable packaging.

A food package uses a mid-package separable seal to resize the container for remaining contents.

Long-chain fatty acid esters resist food adhesion without migrating into contents, solving storage stickiness.

Combining chemically different water-soluble films reduces stickiness and prevents residue while maintaining structural integrity during wash cycles.

Optimized acid mole percentages prevent haze formation during storage, preserving coating transparency and shelf-life stability.

Functionalized polyolefin lamination film adhesive composition with polar-reactive groups.

A polyethylene film with controlled stiffness and fracture energy resists penetration by sharp-edged polysilicon chunks, preventing transport damage.

Acid-modified styrene copolymer blends with ethylene copolymers to form a sealable resin composition.

Biopolymer injection molded part uses surface structure to increase area, accelerating mechanical disintegration and composting of packaging components.

Segmented foam packaging with annular projections creates vertical barriers that prevent polarizer shrinkage during humid transport.

This EVOH-based laminate design controls interlayer shear viscosity ratios to prevent boundary disturbances and streak formation during vacuum forming processes.

A multilayer propylene resin sheet combines specific inner and outer layers to deliver flexibility and impact resistance.

Hydrophobized paper achieves dimensional stability for contour-forming, avoiding metal foil energy costs and heat damage.

Applying color pigments to container surfaces enables variable paint colors without adjusting fixed pellet formulations.

A vapor-deposited barrier film uses a metal oxide layer with controlled oxygen-to-metal ratios to ensure uniform density and high initial barrier performance.

Esterifying cellulose surfaces with alkanoic acid derivatives creates a hydrophobic barrier.

Pre-formed openings in a compostable cartridge bottom eliminate tip perforation, enabling filter coffee extraction while maintaining structural integrity.

Excess terminal amino groups in the polyamide resin improve film shrinkability and piercing strength after heat-moisture treatment.

A heat-shrinkable multilayer film combines ethylene-vinyl acetate, acid-modified copolymers, and polyamide to achieve high seal strength.

Clupak creping creates micropores in sack paper to improve air venting without reducing tensile strength.

Segmenting the pouch into strong barrier and tear-initiation zones resolves the contradiction between containment strength and tool-free opening.

Cyclic olefin intermediate layer prevents adhesive component migration in packaging materials without compromising seal integrity.

Dynamic air columns minimize volume during transport while maintaining insulation through segmented compartments.

An intermediate layer fills substrate pores to enable effective non-polymer barrier deposition, improving recyclability and reducing material thickness.

Optimizing phosphorus content in the polyamide resin balances oxygen absorption performance and visibility of contents.

A multi-layer film integrates an embedded tacky layer between outer and inner portions to enable reclosable packaging functionality.

A separating layer enables residue-free peeling of carrier and cover films, eliminating thermal disposal costs.

Multilayer coextruded film enables ultrasonic sealing of wet vegetable slurries on high-speed packaging lines.

Vacuum-sealed elastomer packaging with antidegradants prevents ozone-induced cracking during gamma sterilization.

Inclined intermediate portion of capsule closing element facilitates piercing blade engagement.

A sealant antifog composition integrates surfactants into polyester films to prevent moisture condensation.

A dual-layer acrylic and cyclic olefin polymer coating adheres to recycled cellulose fibers.

Cellulose fiber and starch ratios enable biodegradable packaging that resolves the contradiction between structural durability and environmental pollution.

A sulfopolyester primer resolves adhesion delamination between polymeric liner films and fibrous substrates, enabling clean separation for recycling.

Multi-layer packaging material combines paper and plastic layers for thermoforming applications.

Embedding printed pigment between rigid components reduces distortion during deep draw thermoforming.

A dunnage conversion machine crumples sheet stock material into a flexible protective wrap using differential feed rates.

A polyvinyl alcohol coating composition with a water-soluble non-ionic ethoxylated alcohol surfactant forms a stable curtain.

Segmented flat sides and ribbed regions in biopolymer bottles reduce paneling deformation while maintaining full recyclability.

A gas barrier coating composition uses high surface area colloidal silica dispersed in polyvinyl alcohol to enhance oxygen blocking and adhesion.

A multilayer matte-coating resin combines phenoxy and urethane resins with fluorine-containing top layers to enhance surface finish.