Wrappers TRIZ Cases

Xylylene diisocyanate polyurethane layer enhances gas barrier properties and interlayer adhesion in food packaging laminates.

Segmented cationic polymers decouple retention from drainage, resolving the trade-off between high machine speed and poor sheet formation.

Layered polyvinyl alcohol films resolve residue and migration issues by combining high-strength outer layers with soluble inner cores.

Optimized polyvinyl alcohol films balance complete cold water dissolution with moisture resistance, resolving residue and leakage issues in packaging.

A polyvinyl alcohol polymer blend creates oxygen-tight packaging materials through single-layer extrusion and forming processes.

Packaging unit uses segmented edge zones with microencapsulated and pressure-sensitive adhesives for secure closure.

Liquid coating deposits a binding layer on shaped paper, preventing ink halo and fiber dust.

Welded obstacles inside the spout channel form folds that act as a valve, preventing liquid escape without relying on material elasticity.

Ionizing radiation creates free radicals in EVOH layers, replacing fragile foil barriers and reducing manufacturing costs.

Segmented adhesive patterns prevent tool interference during folding, resolving sealing reliability versus manufacturing precision contradictions.

A beverage cartridge uses a mechanical coupling system to join plant fiber components without adhesives.

Vanadyl naphthalocyanine ink resolves adhesion and visibility trade-offs on aluminum PTP packages via infrared absorption.

A circumferential score line in a composite container tubular body enables rim delamination from the carton substrate.

Hinged end closure panels prevent theft by securing the carton ends without increasing manufacturing complexity.

A powder coating of bittering agent on the exterior surface prevents sticking during storage while providing a taste deterrent.

A composite layer formed by reacting metal oxide fine particles with a phosphorus compound creates a robust moisture barrier.

A conical heat exchange surface rapidly freezes mixtures in disposable cups, eliminating cleaning and storage steps.

A lacquer coating on the tab underside prevents sticking to container rims while maintaining seal integrity.

Custom 3D printed packaging adapts to item geometry and handling forces, reducing damage risks during storage and transportation.

A multilayer composite combines a partly aromatic copolyamide with an olefinic impact modifier and a thermoplastic polyester layer.

Optimized ethylene-propylene random copolymer minimizes oligomer blooming and migration to maintain film transparency.

A resin case uses a continuous fiber sheet with a stepped portion and bonded rib portions to distribute stress laterally.

Integrating plasticizers into the polymeric film or detergent composition reduces the glass transition temperature, preventing cracking under stress.

Preformed pouches with inflatable panels and an outer skin reduce shipping volume by delaying inflation until the point of use.

Multi-layer protective pad uses foamed polymer rear layer to distribute surface pressure, preventing imprinting and breakage during packing.

A multilayer structure combines an aluminum-containing compound with an organic phosphorus compound and a polymer to form a robust gas barrier layer.

A flexible package uses a recyclable closure to secure a three-dimensional shape after product removal.

Longitudinal drawing of a copolymerized polyester film resolves low tensile strength and crack susceptibility in the machine direction.

Propylene and ethylene polymer blend bonds polymethylpentene with polar resins, maintaining adhesion during stretching.

Chemical conversion treated metal foil laminated with carboxyl polyolefin adhesive enhances interlaminar bonding in lithium battery packaging.

A resin composition blends two ethylene-vinyl alcohol copolymers with a saturated carbonyl compound to enhance heat stretching properties.

A composite plasticizer blend of sorbitol and glycerol maintains water solubility in polyvinyl alcohol films.

A multilayer packaging structure uses a phosphorus compound layer to maintain gas barrier properties during extrusion coating lamination.

A carton top retainer uses cut and score lines to fold retention panels that secure beverage containers within the package structure.

Non-white color layer on transparent film yields specific opacity and gloss to improve package aesthetics without printing graphics.

A perforated polymeric barrier layer on a cellulosic substrate manages moisture transfer through controlled capillary action.

Propylene hexene copolymer layers enable lower temperature film orientation, preventing tear instability during processing.

A flexible film package opening feature uses a pull tab and opposing gripping tab to facilitate manual grasping.

Layered propylene resin copolymers maintain structural integrity during sterilization while preventing resin adhesion on sealing bars.

A patterned sealing film combines a non-woven layer with a solid polymer film to provide broad temperature range sterilization.

A thermally activatable laminating material bonds flexible substrates through heat and pressure.

A heat-sealable composite film uses a styrenic linear block copolymer thermoplastic elastomer and ethylene vinyl acetate copolymer coating layer.

Polyolefin resin film composition controls molecular orientation to prevent oblique tearing and contamination in packaging bags.

Hydrophobic sizing on the outer paper ply combined with an uninterrupted plastic film barrier prevents water ingress while maintaining structural integrity.

Segmented liner with varying compressibility absorbs impact energy and reduces rotational acceleration during oblique helmet strikes.

Optimized biaxially oriented nylon film resolves formability versus strength trade-offs, preventing pinholes during severe cold forming processes.

A container lid pleat seal incorporates a steam passing portion to release internal pressure while maintaining hygiene.

A brittle structural layer fractures during freezing, allowing flexible packaging to conform to complex shapes while reducing hardening time and material costs.

A method plastifies high molecular weight viscoelastic polymers and continuously dispenses them into a protective polymer film to create stable, transportable reels.