Wrappers TRIZ Cases

Catalyst-free transesterification yields pure ester plasticizers, eliminating wastewater from acid catalysts.

A gradient composite film layers hydrophobic and hydrophilic protein substrates to encapsulate active agents.

A polyolefin-based hot-melt adhesive composition bonds films using a specific polymer blend.

A three-layer polypropylene laminate film with a low-melting heat seal layer and intermediate adhesive bridge.

A hanger assembly uses a shrink wrap sleeve to secure products vertically on retail rods.

Compounding polybutylene succinate with sunflower shell fibers reduces production costs while improving mechanical strength and heat resistance.

A three-layer packaging film uses an intermediate tear layer to enable controlled opening along a predefined aperture track.

Raised printed patterns with metallic luster enhance three-dimensional design while maintaining packaging material strength and barrier properties.

Tear-initiating cuts in polyolefin films guide straight parallel tears via a pull tab, eliminating noisy perforations and reducing removal effort.

Packaged barrier film maintains low water permeability by adsorbing moisture via an integrated desiccant sheet, preventing degradation of the inorganic layer.

Acute angled parallelogram corners balance the center of gravity to reduce tilting and wrinkling in collapsible containers.

A reclosable bag uses a sacrificial cut tape between fastener parts to initiate opening.

Ethylene-vinyl ester copolymer and tackifier resin blend creates a heat sealable layer that maintains transparency while improving peeling strength to APET.

Segmented accordion-folded panels and a unified band structure resolve tampering risks while maintaining a compact retail display profile.

Segmented material zones resolve crystallinity haze trade-offs while enhancing barrier efficiency through tortuous gas paths.

A nonwoven fabric uses densely compacted multi-component fibers with a compatibilizer to enhance adhesion, reducing debris generation during sterilization.

Un-slit reinforcement ties prevent tearing of slit-sheet stock material during winding and expansion, enabling efficient dunnage conversion.

Segmented polypropylene packaging enables faster melting of sealant blocks, resolving slow heating times associated with large single-block systems.

Siloxane networks with crystalline polymers prevent phase separation, maintaining gas barrier properties after retort sterilization.

A stretched laminated film structure uses controlled melting temperature differences between surface layers to enable effective layered sealing.

An incompatible polymer blend in a multilayer film reduces stretching force and prevents delamination during opening of cook-in meat packages.

Specific molecular weight and crystallinity in the resin layer prevent coloring and flavoring from fat-containing foods.

A biaxially oriented multilayer polypropylene film with a soft intermediate layer and metallized outer surface.

A recyclable film structure uses a polar polymer compatibilizer between the outer polyamide and inner sealant layers.

A water-soluble film coated with a powdered lubricant mixture prevents humidity-induced sticking while enabling controlled active agent release.

Curvilinear tilde-slits enable bi-directional expansion of expandable web material.

Specified bending resistance and strain at break prevent bag rupture and corner hole formation during vertical form fill sealing.

Coextruded biaxially oriented film uses an ethylene vinyl alcohol copolymer blend layer to ensure a straight machine direction tear path.

Adhesive copolymers with carboxylic acid groups bond paperboard and aluminum layers, eliminating ozone treatment needs and reducing energy consumption.

Segmenting the storage system into a rigid outer shell and a compliant inner insert prevents streaking and damage during removal of tightly fitted layered food.

Cellulose containers combine dry and wet strength chemical treatments to maintain compression resistance in humid environments.

A durable consumable olefin wrap contains hot melt asphalt without outer containers, eliminating packaging waste and breach risks during transport.

A packaging material structure uses a specialized primer layer to bond base films with printed layers.

An MPMDT/XT copolyamide barrier resolves biofuel permeability issues by maintaining mechanical integrity without reinforcing fibers.

Homogeneous coextruded polyester sheets maintain oxygen and water vapor barrier properties while enabling recycling in polyethylene terephthalate streams.

A gas barrier laminated film structure minimizes optical thin-film interference through precise layer spacing and refractive index matching.

Sheet-shaped web buffering material aligns fibers to absorb impact energy through mechanical deformation.

A sealant film with a phase-separated resin layer suppresses antifogging agent migration and adhesive component elution for reliable food packaging.

A gas barrier film combines polyurethane resin with inorganic layered minerals to create a robust protective coating.

Styrenic-acrylic copolymer heat seal layer stabilizes peel strength across high-speed peeling cycles.

A water-soluble detergent film bag incorporates flow-through openings to enable thorough washing water penetration through the film layers.

A starch-based edible packaging composition uses natural fibers and wax emulsions to create rigid containers.

Nanoscale polyvinyl alcohol particles dispersed in modified starch improve breaking strength and gas barrier properties at low temperatures.

Independent film flaps cover adjacent side faces to maintain constant thickness, avoiding thermoforming stress that causes premature aging.

Alkenyl succinic anhydride compounds derived from symmetrical C20-C28 olefins provide enhanced liquid sizing effectiveness.

A multilayer sealant film with a cyclic polyolefin core layer enhances tearability while maintaining heat seal strength.

A filter material uses a non-fibrous biobased binder to enhance wet tensile strength and structural integrity.

A multi-layer film uses non-continuous bonding between an un-pigmented outer layer and a pigmented inner layer to create visually distinct regions.

A flexible tube container uses an aluminum oxide barrier on a polyolefin carrier to enable material recycling.

A polyepoxy resin adhesive bonds gas barrier layers in packaging laminates.