Plastic Recycling TRIZ Cases

A polyimide resin incorporating dynamic covalent bonds enables structural healing and material recycling through temperature control.

Ionic liquid and deep eutectic solvent systems facilitate selective lignin depolymerization into phenolic monomers.

Inorganic filler stabilizes recycled polyamide against thermal decomposition, reducing gas generation while maintaining mechanical integrity.

Process recovers rubber-modified vinyl copolymers via alcohol-based transesterification.

Thermoforming process blends recycled thermoplastics and thermosets near melt points to create structural composites with enhanced integrity.

An oligomeric polyethylene terephthalate substrate forms through reacting recycled bis-hydroxylethyleneterephthalate with an under-esterified purified terephthalic acid oligomer.

Flooded leaching and multi-stage filtration purify reclaimed polymers, removing surface and bulk contaminants to enable demanding applications.

Base catalyzed alcoholysis breaks down furan dicarboxylate polyesters into pure diols and furandicarboxylates, eliminating inefficient by-products.

A white polyester film uses a masterbatch of physically and chemically regenerated chips to enable extrusion.

Precise monomer ratio control suppresses thermal decomposition, maintaining specific double bond levels to preserve polymer quality.

Partial depolymerization with simultaneous distillation recovers cyclic oligomers from polyester waste, eliminating complex purification steps.

Detachable grinding blocks and axial interval adjusting rings enable versatile tire crushing while simplifying maintenance of the multifunctional crusher.

Scavenging agents remove sulfur during extrusion, preventing equipment degradation and enabling recycled EPDM reuse.

Controlled extrusion parameters optimize mechanical properties of recycled rubber, enabling up to 50% usage in technical items.

Continuous extrusion using supercritical solvent decrosslinks thermoset waste, resolving high temperature decomposition and low productivity bottlenecks.

A distillation region in an extruder expels solvents via steam, preventing particle agglomeration during polymer recycling.

Cracking pyrolysis oil yields propylene feedstock that reacts with depolymerized terephthalates to create polyesters with high recycled content.

Gravity and centrifugal force separate shredded tire elastomer from reinforcements, preventing material degradation during recycling.

A thermoplastic filament recycling method uses multi-directional cutting and pneumatic aspiration to separate contaminants from polymer strands.

Segmenting continuous polymerization from batch modification resolves productivity versus adaptability trade-offs in specialty resin production.

Aligns electric field with carbon fiber axis to absorb microwave energy, decomposing polymer matrix without oxidizing fibers or using organic solvents.

Extruding PCR polyolefin flakes into pellets before de-volatilization removes limonene volatiles to meet FDA food contact standards.

Elevated temperature diluents combined with shear mixing reduce polymer molecular entanglement, eliminating holding tanks and lowering energy consumption.

Consolidated resin impregnated fiber elements from composite off-cuts provide targeted reinforcement, reducing material waste and component weight.

A polyethylene composition uses 2,2-bis(hydroxymethyl)-1,2-propanediol to improve oxidation induction time.

Dynamic covalent bonds in the network enable chemical recycling and degradation under moderate conditions while maintaining thermal stability.

Automated near-infrared spectroscopy detects polyolefin proportions in plastic waste bales using multi-sided spectral data.

A depolymerization liquid generation device uses a switching valve to route heat medium through distinct paths for precise temperature regulation.

Fluorescent compounds enable reliable detection and separation of plastic materials, preventing abrasive foreign substances from damaging extrusion equipment.

A separation apparatus immerses composite materials in a hydrocarbon solvent to isolate plastic and silicone components.

Devulcanized waste tire plasticizers replace carcinogenic petroleum derivatives, reducing environmental harm while maintaining rubber flexibility.

Segmenting the resin article into a functional body and a separate test piece allows precise deterioration measurement while preserving external appearance.

Staged heating and vacuum mixing crystallize and dry polylactic acid while preserving molecular chain integrity.

Microwave heating enables reshaping of cured thermosetting resins without hazardous chemicals, reducing waste and processing complexity.

Sequential washing and optical sorting remove surface impurities from polyolefin residues to yield high-purity recyclates.

A supercritical fluid process mixes with melted low density polyethylene to form saturated solutions for particle production.

Concurrent thermal degradation and distillation of recycled polyethylene narrows molecular weight distribution, reducing waste from uncontrolled pyrolysis.

A solid adsorbent captures lead ions directly within a molten polyvinyl chloride melt to yield purified resin.

A segmented retort chamber enables rapid thermal depolymerization of waste tires through controlled partial combustion and distinct temperature zones.

A recycled ABS resin method uses metal carboxylic acid salt to depolymerize polyurethane impurities during extrusion.

Method for producing polyurethane aerogels using recycled polyols obtained via glycolysis of plastic waste.

Expanding circular trajectories eliminate screening grilles, preventing blade damage from coarse elements while enabling easy maintenance access.

Dialkyl polysulfides replace toxic agents to regenerate sulfur-crosslinked rubber without carcinogenic byproducts.

Recover expanded sulfone polymer waste into dense granules for reuse as starting material.

A two-step pyrolysis method decomposes crosslinked rubber to improve monomer yield.

A polyolefin composition blends virgin polypropylene with recycled plastic material and glass fibers to achieve high tensile modulus.

Polycarbonate compositions blend virgin and recycled resins with polysiloxane copolymers to achieve UL-94 V-0 ratings at thin wall thicknesses.

Chemolysis breaks down polyurethane products using alcohol and water, followed by solvent extraction and distillation to recover high-purity polyols and amines.

Supported metal oxides catalyze polyolefin thermal decomposition, reducing residence time and minimizing unwanted branched or aromatic product formation.

A movable compacting element adjusts compression force and ratio to prevent clogs in fluffy recycled plastic processing.