Plastic Recycling TRIZ Cases

See how liquid-state polymerization with reflux resolves intrinsic viscosity non-uniformity in

See how hot melting, rotating blades, and silica gel strips resolve incomplete bag separation a

See how composite granules of thermoplastic elastomer and recycled fibre fragments form a secon

See how pre-depolymerization color removal simplifies BHET purification, raises recovery rates

See how aromatic alcohol pre-treatment removes polyurethane and dyes before depolymerization to

See how a gathering mechanism, hot-melt sealing, and rotating silicone strip enable complete pl

See how homogeneous polyester construction—face yarn, backing, and adhesive—enables full carpet

See how a water-acetic acid composite solvent removes dye and water repellent, followed by liqu

See how glycol ether solvents remove dyes from colored polyester fibers below melting point, en

See how biosolvents dissolve spandex from cotton and polyester blends at mild temperatures, rep

See how a moveable-plate compactor extracts and compresses microfibers from washing machine eff

See how a two-stage swelling-agent immersion process removes dyes from polyester fabric without

See how sequential extraction with recycled and fresh solvents reduces solvent consumption and

See how alkaline ozonation pretreatment improves nanocellulose yield and quality from post-cons

See how amine organocatalyst depolymerization selectively breaks down polyester while preservin

See how a glycol ether solvent with a 160°C+ boiling point removes dye from colored polyester b

See how superheated water vapor and decoloring agents remove dyes from polyester waste at low p

See how a multi-layer compactor captures and compresses microfibers from washing machine efflue

See how a 100% polyester tufted carpet construction uses homogeneous material layers to meet co

See how co-injection moulding places non-recycled material at visible surfaces and recycled mat

See how subcritical water treatment at controlled temperature and pressure recycles cotton and

See how amine organocatalyst and alcohol solvent selectively depolymerize polyester from cotton

See how selective dissolution and precipitation remove dyes from polyamide and polyester fibers

See how co-injection molding places non-recycled plastic at the surface and recycled plastic in

See how subcritical water treatment recycles cotton and polyester textiles into high-purity cel

See how thermoplastic polyester adhesive with controlled crystallinity enables direct extrusion

See how angled cutting blades spaced from a top plate pierce and remove beverage pod lids, enab

See how a dual-piston assembly with support rod shortens movement distance and boosts speed for

See how homogeneous polyester construction—face yarn, backing, and adhesive—enables commercial-

See how subcritical water treatment at 105–190°C hydrolyzes cotton and polyester waste into hig

See how recycled polyolefin mixed with fillers like calcium carbonate and talc achieves structu

See how ether-alcohol solvent vapor extraction removes dye from polyester fibers below glass tr

A terpene solvent extracts polymer components from carpet waste, improving fiber recovery while reducing solvent use and recycling loss.

Curved mating plates and a bottle-aligning tail flatten plastic bottles while keeping bar codes readable for automated recycling machines.

A terpene solvent recycling route separates carpet polymers for reuse in new backing materials while cutting solvent use and improving fiber recovery.

Using aldehyde solvents below 300°C, this case shows how crosslinked rubber can yield higher-molecular-weight liquid hydrocarbons at high decomposition.

Pressure-activated antiferromagnetic photon pulses selectively break sulfur bonds in vulcanized rubber, enabling higher-value tire recycling.

A luminescent agent on the tire sealant surface enables fast optical identification of self-sealing tires and simplifies recycling.

Coloring the inward-facing noise absorber surface enables reliable optical detection and faster tire recycling separation.

Segmented pre-stripping and rotating secondary stripping expose the cable's central pipe body without damage or corrosion loss.

Blending fumed-silica reclaimed rubber with diene rubber and a silane coupling agent preserves wear, strength, fatigue resistance, and fuel economy.

An aqueous cavitation process breaks sulfur bridges in ground tire rubber, restoring virgin-like properties for new tires and rubber products.

A recycled polypropylene blend balances filler, crystallinity, and impact modifier content to retain strength, rigidity, and heat resistance in vehicle parts.

Pulverized composite members with glass fiber form labyrinth paths that improve vehicle floor noise absorption across low-to-mid frequencies.

Randomly mixed rubber fragments with different hysteresis are extruded into tread blocks to improve wet grip without raising rolling resistance.

Purified TPA, DMT, and BHET remove IPA impurities from recycled PET, improving crystallization, strength, and durability for tire cords.

Controlled sulfur bridge dissociation and electromagnetic stressing restore crumb rubber to virgin-like structure for new tires and rubber products.

A recycled HDPE HFFR cable jacket balances flame retardancy and mechanical strength by controlling PCR polymer properties and blend composition.

Controlled reclaimed rubber modulus and blend ratios improve tire rubber fracture characteristics and fatigue resistance while enabling waste reuse.

Controlled gel fraction and carbon black surface area improve reclaimed rubber dispersion, fracture behavior, and tire tread fatigue resistance.

Detaching the inorganic coating from waste battery separators improves recycled polyolefin resin quality for new batteries, films, and cases.

A wafer edge removal case that uses modification layers and wedge separation to avoid chipping, cut water use, and improve trim accuracy.

Two-stage shredding moves battery plastics from immersion to dry comminution, cutting liquid and metal carryover for cleaner recovery.

Blending separator-recovered HDPE with a second HDPE improves melt processability, strength, elongation, and crack resistance for containers.

Two-stage comminution, washing, and agitator-assisted separation recover battery plastics with less metal and black mass contamination.

Detaching inorganic separator coatings before blending recycled and new polyolefin resin improves strength, processability, and reuse.

A degradable tire foam turns into a pourable liquid under fluoride or acidic treatment, easing carcass separation for recycling.

Aliphatic urethane resin keeps wafer support members clear and flexible, improving division monitoring while resisting discoloration over time.

An interlinked substitution process rebuilds crumb rubber into a monolithic elastomer network, enabling virgin-like reuse in tires and rubber products.

Metal-coordination crosslinks replace sulfur curing so rubber can be recycled under milder conditions while retaining durability and new-like properties.

Blending recycled and virgin polyethylene with controlled molecular weight distribution improves stress-cracking resistance for durable wire and cable layers.

Laser-etched matrix barcodes on plastic articles preserve ingredient tracing data without added labels, improving material transparency.

Ethernet links drying, conveying, and blending controls to automate recipe changes, cut manual errors, and reduce energy use.

A mixed filler of recycled carbon black and functionalized lignin raises sustainable content while preserving hose mechanical properties, resistivity, and aging performance.

Mixed recycled carbon black and functionalized lignin increase sustainable content while preserving hose processing and thermo-oxidative aging strength.

A polyester-polycarbonate blend uses controlled aluminum content to enable laser marking and welding while supporting recycled resin use.

Laser ablation strips thermosetting resin from FRP in targeted patterns, exposing carbon fibers for lower-facility recycling and repair.

Rotating the gas nozzle to the machined product side helps blow away hot decomposition products and preserve composite laser cutting quality.

Programmable mandrel positioning and shear cutting automate tire downsizing, improving cut uniformity across different tire sizes with less labor.

Finely ground cross-linked polyethylene is blended into thermoplastics to enable melt processing, stronger products, and lower ash residues.

A movable mandrel table and programmable shear cutting downsize large tires with uniform cuts, less labor, and flexibility across tire types.

Blending recycled PP/PE with a heterophasic propylene copolymer raises melt flow and stiffness while lowering VOC and fogging for thin-wall packaging.

Fused-ring cycloalkenes lower ring strain to enable ROMP polymers that stay thermally stable yet depolymerize back to monomers.

Alcoholysis plus solvent extraction and aqueous washing separates polyurethane into high-purity polyols and amines for reuse.

Selective solvent dissolution and centrifugal separation recover thermoplastic and elastomer phases for recycled plastics with more consistent virgin-like properties.

Chemical recycling uses solvolysis and staged conversion to recover PET and other plastics from solidified purge waste otherwise sent to landfill.

Reactive inorganic surface treatment helps reassemble superabsorbent polymer fines into uniform particles with stronger crush resistance and absorbency.

Shredded polyurethane foam is blended with TPU at high temperature to avoid catalysts and solvents while preserving usable mechanical properties.

Washing, shredding, and density-cut separation handle mixed contaminated plastic streams, then split 2D and 3D fractions to raise recyclate quality.

Density separation enriches PET from colored plastic mixtures before methanolysis, turning low-value waste into reusable chemical intermediates.

Feeds r-DMT into TPA-based polyester reaction zones at standard high-temperature conditions to add recycled content without losing product uniformity.

Methanolysis and density separation turn PVC-containing PET reclaimer flake reject into usable chemical feedstocks instead of landfill waste.

Oxidative water-soluble salts convert crosslinked SAP into soluble polyacrylic acid under mild heating, cutting energy use and enabling recycling.

Solvolysis and pyrolysis turn PET wet fines and mixed plastic waste into reusable monomers and intermediates, reducing landfill disposal.

Mechanical ceramic removal and anti-crystallization additives let recycled PET film be pelletized and injection blow molded into resin articles.

A batch tank followed by continuous washing improves removal of foreign matter from heavily contaminated PET bottle flakes.

A PP/PE recyclate blend with glass fibers and a coupling agent cuts fogging and emissions while preserving thermomechanical strength for automotive parts.

Selective dissolution and precipitation recover pure polymers from multilayer plastic films while avoiding harsh recycling conditions.

Blending recycled copolymer and recycled polycarbonate preserves heat, mechanical, and chemical resistance in molded parts exposed to solvents.

Maintaining recycled polyester monomers as a liquid slurry cuts evaporation energy, reduces byproducts, and helps prevent reactor blockage.