Plastic Recycling TRIZ Cases

A monophasic polypropylene blend combines a random copolymer with specific 2,1-regiodefects and a nucleated homopolymer to achieve balanced mechanical and optical properties.

A rejuvenated asphalt binder combines bitumen, block copolymer, and bio-oil to enhance elasticity in reclaimed pavement mixes.

Thermal stabilizers in organic solvents prevent thermo-oxidative damage during high-temperature polymer extraction, preserving mechanical properties.

Hot pressing shredded prepreg waste with backing films creates colored panels, bypassing difficult film removal steps.

Elastomeric tire flakes maintain seal stability under dynamic wellbore loading to reduce non-productive time.

Aqueous zinc salt solutions depolymerize post-consumer PET into renewable oligomers, reducing energy consumption and preserving material quality.

A wet crushing system separates plastic film laminate layers by achieving a surface roughness of 0.7 µm or more.

A catalytic depolymerization process converts mixed polyethylene waste into waxes and grease base stocks.

A Lewis base selectively breaks down the polymer matrix at moderate temperatures, recovering high-value fibers while avoiding thermal degradation.

Temperature-dependent solubility separates polyvinyl alcohol from mixed waste streams, resolving contamination issues during polymer recycling.

Aminolysis decomposes phenolic resin into reusable monomers, reducing energy consumption compared to aggressive thermal methods.

Light irradiation generates reactive species that introduce diverse functional groups to polymers, eliminating toxic heavy metal oxidizing agents.

A waste rubber recycling apparatus uses dynamic mixing and cooling to process material efficiently.

A debeading machine extracts metal cords from heavy duty tires using a movable element to detach the cord from the extraction hook.

A coextruded multilayer polyolefin foam structure combines a recycled core with a virgin surface layer to produce consistent material properties.

Oxidative fluid treatment modifies contaminated polyethylene terephthalate flakes to enable physical separation from polymer matrix.

A waste plastic drying shredder uses a pressing unit to compress film before cutting.

Immersion in heated morpholine breaks crosslinked polyisocyanate bonds, enabling recovery of plastic waste without dissolving resin films.

Swollen crumb rubber in a tyre sealant layer improves pressure retention under static and dynamic conditions.

Rotating drums with protruding shear elements separate face fiber from backing material, resolving low yield and contamination issues in carpet recycling.

Friction mixer heats rubber particles with fatty acids to create a thermoplastic resin mixture, resolving uniformity issues from varied tire regions.

Cement catalyst with high alumina ratio depolymerizes plastic waste, resisting poisoning to maintain conversion rates.

Extrude ground metallized film scraps to recycle material without clogging filters or damaging equipment.

A dual filter plastic melt cleaner uses a segmented screw feeder to manage independent rotation speeds for each filtering surface.

Layer peeling preserves fiber length during thermoplastic composite recycling by melting the matrix instead of shredding.

Acidolysis and glycolysis of polyurethane waste with dicarboxylic anhydrides yield low acid number polyols, eliminating extensive presorting requirements.

Micro-pellet precursors enable direct integration of recycled content into virgin resin manufacturing processes.

Ceria nanorod catalysts reduce gas and coke generation during waste plastic conversion, enabling continuous liquid fuel production.

A solvolysis system separates carbon fibers from polymers using preheated aqueous fluid under pressure.

Depolymerizing dissolved polystyrene waste yields high-purity styrene monomers suitable for food contact applications.

A composite material uses a polyurethane binder to join thermoset particles and fibers.

Beam-shaped portions with varying bending stresses enable plastic deformation evaluation, eliminating complex calorimetry analysis.

Styrene oligomers initiate radical depolymerization of polyolefins, reducing energy consumption and preventing unpredictable branched product formation.

Reversible imine bonds allow selective depolymerization of the resin phase, restoring aged asphalt properties without sacrificing mechanical strength.

A method produces water-based polyester resin using recycled material and controlled acid value.

Shredded carbon fiber prepreg waste cures in a hot press to form non-structural panels, bypassing complex backing film removal.

An aqueous adhesive binds recycled polyolefin foam fragments through water evaporation, eliminating organic solvent hazards.

Screening equation identifies solvents for acrylonitrile butadiene styrene extraction based on molecular weight and atomic composition index.

A recycled HIPS and PP alloy material uses in-situ compatibilization to enhance mechanical properties.

A moulding process layers recycled polymer flakes with a blowing agent to form polymeric foam core sandwich articles.

Sequential density thresholds and metal removal isolate pure polymers, minimizing loss during recycling.

Separates elastomer particles from dissolved thermoplastic using smectite powder and gravity, restoring virgin-like properties.

A polyethylene film recycling method uses shredding, delamination, and surfactant washing to produce near-virgin quality granulated objects.

A single-screw extrusion system combines desulfurization and post-processing into a continuous automated workflow.

Wet shredding prevents polypropylene attachment during granulation, enabling high-purity nylon recovery via clarifier separation.

A disposal system separates synthetic grass turf from infill components for material recovery.

Vacuum degassing in the second screw section removes acetaldehyde and moisture, maintaining viscosity index during direct recycling of molded blanks.

Perforated tubular bodies and piston heads eliminate heating steps while preventing residual material accumulation during cold shredding.