Wrappers TRIZ Cases

A cover film uses a metallocene linear low-density polyethylene intermediate layer and an ethylenic copolymer sealant to secure electronic components.

A microwave heating sheet uses a polyelectrolyte dissolved in a polar solvent to generate thermal energy via ionic polarization.

A laminated electrically conductive sheet combines polycarbonate and polyalkylene terephthalate resins with carbon black to provide mechanical strength.

Multi-wax heat-adhesion layers resolve the trade-off between non-adhesive properties and high-temperature seal strength in food containers.

A compostable capsule uses layered biodegradable materials to create an effective oxygen barrier for beverage preservation.

Dibenzoylmethane-based photoinitiators eliminate migratable splitting products and reduce toxicity in ethylenically unsaturated monomer systems.

Embossed and flat heat seal patterns prevent pinholes, maintaining air-tightness and sterility for transdermal drug packages.

Biaxial stretching combined with relaxation processes reduces shrinkage in composite films while maintaining oxygen barrier reliability.

A protective film package uses a tray and photo-curing support structure to ensure precise alignment during attachment.

Biomass-derived polyolefin resin replaces petroleum materials in bag-in-box sealant layers to reduce environmental load while maintaining material reliability.

Composite coatings maintain barrier stability in high humidity by creating tortuous diffusion paths, eliminating separate moisture protection layers.

An edible water-soluble packet eliminates manual opening and spillage risks while maintaining ingredient separation during storage.

A bio-based polyethylene terephthalate production method uses melt polymerization of monoethylene glycol and terephthalic acid.

An inner resveratrol coating protects oxidation-sensitive products from degradation and extends shelf life during storage.

A water-soluble polymer emulsion with controlled molecular weight and glass transition temperature provides stable heat seal adhesion.

A multilayered biaxially stretched polyamide film uses a copolymer adhesive layer to bond without external coatings.

A water-soluble film balances dissolution time with curl area percentage through controlled PVA resin composition.

A packaging container outer part features a foldable closure element that covers the open end.

A multilayer food container combines a foamed core with a copolymer skin to reduce hazardous substance elution.

A multilayer cook-in film uses a low Vicat polypropylene heat sealing layer to achieve reliable thermal contraction and seal stability.

Hem recesses thread tethers to ropes, distributing force evenly and preventing material damage from concentrated stitching.

A stretched laminated film uses a propylene-based and 1-butene-based resin composition to join layers with high hot tack intensity.

Ribbed thermoplastic films create a strainable network that distributes stress concentrations, preventing tears in thin gauge materials.

A biodegradable paper tube applies a permeation barrier coating to resist semi-solid leakage while maintaining visual distinction from traditional plastics.

Oblique second cuts form a V-shaped base portion on the integrity strip, ensuring consistent breaking at the neck portion during opening.

A water-soluble laundry pouch uses interlocking convex and concave chambers arranged around a common rotation axis to ensure high intrinsic stability.

Quaternary ammonium monomers boost paper strength while removing harmful (meth)acrylamide content.

A water-dilutable coating composition combines polyvinyl alcohol with dispersed clay and polycarboxylic acid polymer to form strong adhesive bonds.

A server serializes data objects using first-party cookies to capture user impressions and enable targeted advertising across domains.

Biodegradable packaging dissolves in moisture to eliminate residue cleanup and prevent structural damage from ice dams.

A void-containing heat-shrinkable polyester film minimizes outer layer density differences to prevent curling during high-speed production.

Incorporating ethylene-based plastomer into polypropylene reduces sealing initiation temperature, enabling faster packaging processes.

Segmented single-dose packets eliminate bulk chemical handling hazards while delivering simultaneous nutrient removal and scum digestion.

Multilayer film packaging bag with a steam releasing mechanism maintains internal pressure below 115 kPa during microwave heating.

Segmenting TMCD-modified copolyester and PET layers resolves the trade-off between hot-fill temperature resistance and RIC-1 recyclability compatibility.

Flexible paper springs absorb impact energy within shipping boxes to protect products during transit.

Polyurethane retort ink maintains laminate bond strength via enthalpic relaxation, preventing delamination during high-temperature food sterilization.

A segmented laminate structure uses cyclic olefin resin to create a non-adsorbing outer surface for packaging integrity.

A flexible support coated with natural heat-sealing polymers provides oxygen and grease barriers.

A biodegradable packaging system uses embedded magnets to detachably attach receptacle trays to a support portion.

A multilayer water-dispersible film combines a water-soluble polymer matrix with a wax layer to prevent moisture ingress that compromises content integrity.

A laminated metal sheet uses specific polyester resin layers to maintain mechanical strength during container forming.

Thermo-bonded PLA nonwoven web enables rapid infusion and heat sealability, resolving biodegradability trade-offs.

Block copolymers with polyurethane soft segments resolve plasticizer bleed-out in polylactic acid packaging films while maintaining transparency.

Waterproof vinyl tote bag contains waste leakage and enables safe handling of heavy toilets.

Bimodal ethylene/1-butene/C6-C12-alpha-olefin terpolymer layers balance mechanical properties with processability for heavy-duty shipping sacks.

A polyester resin composition incorporates acid anhydrides with unsaturated alicyclic structures to absorb oxygen without transition metal catalysts.