Plastic Recycling TRIZ Cases

Stirring arrangement generates turbulent fluid action to mechanically detach adhering contaminants from plastic pieces.

A polylactic acid-based tacky agent composition combines monofunctional and polyfunctional acrylic monomers to form a cured adhesive structure.

A hydraulic punching mechanism severs steel beads from off-the-road tire sidewalls using a series of overlapping circumferential cuts.

Glycolysis of scrap polyethylene terephthalate with 1,4-butanediol yields copolyetheresters retaining at least 80% of the tensile modulus of virgin materials.

Chemical inactivation of adhesive functional groups prevents irreversible metal surface bonding during heating, enabling reliable recycling.

A stop-injection opening pin anchors waste plastic to separate it from injected material, preventing air entrapment and uneven filling.

Depolymerizing PET waste in glycol at 250°C reduces energy consumption while maintaining soil release properties.

A heat-shrinkable polyester film maintains tensile strength through controlled molecular weight and diol composition.

A post-consumer film recycling system uses shredding, surfactant washing, and mechanical drying to produce near-virgin quality granulated polyethylene.

Degassing polyurethane foam via pressure reduction prevents oxygen-induced oxidation during chemolysis, ensuring high-purity recovered polyols and amines.

Ozone gas treatment decomposes polymer absorbents in used sanitary products to enable efficient pulp fiber recovery.

A segmented mechanical processing system recycles composite wind turbine blades into reusable reinforcement fibers and micro-fibers.

Water-assisted melt kneading separates adhered cellulose from polyethylene, reducing drying energy and improving flexural strength.

Powdered polyurethane co-dried with film-forming polymers creates redispersible polymer powder composites that improve adhesion and density.

Surface treatment and extrusion processing increase intrinsic viscosity of recycled polyester film.

A depolymerization process converts polyethylene terephthalate scrap into modified polybutylene terephthalate random copolymers.

A method removes elastane from textiles using heat and chemical extraction to preserve primary fiber integrity.

Spinning plastic into fibers increases surface area to accelerate depolymerization, resolving slow degradation rates in bulk processing.

Extruded panels incorporate comminuted recycled thermoset plastic composite material into a lignocellulosic fiber and thermoplastic matrix mixture.

Incorporating elastane into cellulose fibers during lyocell processing enhances extensibility and elasticity.

A multi-screw extruder plasticizes shredded film waste into high-quality recycled raw material.

A polyurethane foam method combines a resin composition with hydrofluoroolefin, formic acid, recycled resin, and an isocyanate component to create the reaction mixture.

Brightening agents in copolyester elastomers achieve L* values above 80 despite recycled PET content.

A tapered resin reservoir part reduces shear deformation in thermoplastic resin molding machines.

A thermoplastic composition uses a specific rubber blend to enhance impact resistance in recycled polyamide materials.

Stratifying materials in a liquid with intermediate specific gravity resolves separation quality issues while reducing manual recycling costs.

A biodegradable polymer regeneration process uses an organic acid catalyst to monomerize materials at lower temperatures.

A two-step pyrolysis process decomposes crosslinked rubber into valuable monomers using controlled temperature stages.

A hermetically sealed mobile device processes composite waste through integrated comminution and forming units.

Chemical delamination separates multilayer polymer films into distinct PET and PE sheets using targeted acid and caustic treatments.

A thermoplastic composition blends recycled homopolypropylene with specific olefin copolymers to restore mechanical strength and transparency.

Beating members dislodge abrasive sand and rubber from artificial grass tufts, preventing shredder wear and enabling material reuse.

Deflector wheels separate particles from gases while closable openings maintain an inert atmosphere for safe recycling of reactive materials.

Thermal-mechanical processing breaks crosslinking chains in ethylene-vinyl acetate waste, enabling recyclable material production without harmful chemicals.

Sorting circuit diverts polluted object streams to maintain secondary material purity.

A gas-tight centrifuge separates solids from polymer solutions using a rotary insert within a sealed housing.

A lignin-based filler replaces carbon black in thermoplastics to deliver stable black coloration through hydrothermal carbonization.

A continuous extrusion system recycles polylactic acid waste into pure lactide monomers using synchronized vapor collection and crystallization traps.

A method isolates carbon fibers from waste, compresses them with thermoplastic matrix into sheets, and crushes the cooled material into pourable pellets.

Fatty acid plasticizers reduce cellulose acetate melt viscosity, enabling processing in standard equipment without thermal degradation.

A collapsible beverage container uses a scavenging additive to maintain CO2 levels and prevent oxygen ingress.

Cooling prepreg composites reduces polymer tackiness, enabling film separation through mechanical agitation to eliminate interface delamination.

Segmenting pyrolysis into low and high temperature stages inhibits gasification, boosting monomer yield from diene-based rubber.

Sealed housing merges cooling and grinding zones to reduce cryogenic medium consumption and prevent device damage during rubber-elastic material processing.

A zinc dichloride and polyethylene glycol catalyst system drives ring closing depolymerization of polyesters.

Decomposing crosslinked rubber using mild pressure and temperature reduces energy consumption while maintaining high liquid hydrocarbon yield.

Chemical recycling of mixed waste plastics into propylene-ethylene copolymers bypasses complex segregation requirements.

A thiol-grafted depolymerizer breaks down conjugated diene polymers to restore mechanical strength in recycled rubber.