Plastic Recycling TRIZ Cases

A hydrogel shredding device uses orthogonal barrel bodies and a cutter member to pulverize material into uniform particles.

Milling and extruding mixed shoe particles creates high-quality recycled materials, resolving complexity from varying material densities.

A thiol-grafted styrene-butadiene rubber agent breaks crosslinks in waste rubber to produce high-quality reclaimed material.

Solvent dissolution separates heavy metals from halogenated polymers, enabling mechanical recycling that meets REACh regulations.

Elevated temperatures compensate for low secondary hydroxyl reactivity, enabling high glass transition temperatures in recycled PET copolymers.

A bimodal polyethylene composition paired with recycled plastic blends maintains structural integrity for demanding industrial applications.

Perpendicular crumb rubber orientation in rubber sheets improves fatigue life while maintaining sustainable material content.

Solid-state polycondensation raises intrinsic viscosity to resolve insufficient melt strength in extrusion blow molding.

A polyester acrylate resin derived from recycled polyethylene terephthalate via alcoholysis and acrylation serves as a reactive binder in energy curable coatings.

Cutting steel radial tyres before grinding separates clean metal grains from rubber, avoiding energy-intensive burning and contaminated waste.

A bioplastic composition using Rhodophyta material, agar, and weak acid breaks down rapidly in water.

Separating polyolefin waste by carbonyl index prevents mixing degraded and pristine materials, eliminating the need for virgin blending.

A recycling plant uses mobile conveyors on swivel wheels to transport plastic bumper materials between processing stages.

A regenerated polymer alloy material uses waste HIPS and polypropylene combined with specific chemical modifiers to restore mechanical integrity.

Incorporating depolymerized polymer waxes into asphalt formulations raises the softening point and hardness while reducing oxidation time.

A reclaimed rubber formulation combines devulcanized scrap with basic rubber and crosslinking agents to produce durable shoe outsoles.

Surface-treated calcium carbonate acts as a mediator between immiscible polyolefins and thermoplastics, resolving mechanical property loss during recycling.

A cryogenic grinding apparatus uses a wind classifier to separate fine material from the mill output while maintaining a low-temperature atmosphere.

Replacing metal catalysts with biodegradable amines eliminates environmental pollution while maintaining efficient depolymerization rates.

Pyrolysis with basic inorganic oxides decomposes brominated flame retardants, reducing residual bromine content in recovered styrene monomers.

Breaks down recycled PET via hydrolysis or glycolysis, then synthesizes new chains with higher crystallization rates and heat distortion temperatures.

Mono-extrusion lines process co-extrusion waste into single-layer tanks, cutting petroleum plastic consumption and CO2 emissions.

Segmented rotating containers apply centrifugal forces to clean plastic flakes, separating dirt particles while maintaining simple construction.

Spherical cam and reaction seats enable orthogonal force application, reducing frictional wear while allowing real-time adjustment of the crushing gap.

A water-based separation fluid recycles laminated glass by dissolving polyvinyl butyral layers at mild temperatures.

A microwave depolymerization sensitizing compound absorbs electromagnetic energy to facilitate rapid localized heating of thermoplastic compositions.

A polyester blend with trimellitic anhydride extends molecular chains to boost melt strength for extrusion blow molding.

Adding TPU prepolymer to recycled waste ETPU controls particle viscosity, resolving batch variability and physical property deterioration during regeneration.

Phase-transfer catalyst mediates hydroxide ion transfer to cleave carbonate groups in polycarbonates, reducing reaction temperature and byproduct formation.

Alcoholysis of recycled polyester with diol and subsequent transesterification yields waterproof breathable film without harmful THF byproducts.

A radial scraping device attached to the housing guides granulated waste away from the rotor.

A DBU-TPP composition selectively breaks sulfide bonds in sulfur-cured rubber to enable effective devulcanization.

Adding ethylene-alpha-olefin copolymer to polypropylene and polyethylene mixtures restores mechanical properties.

A dissolution apparatus stirrer mixes waste polyolefins with solvent to create a homogeneous solution slurry.

Amine compound captures formaldehyde and acetaldehyde in used resin, preventing the tensile elongation loss caused by traditional metal oxide additives.

Potassium permanganate oxidation modifies plastic surface hydrophobicity to enable selective flotation separation of mixed waste streams.

A detection system sorts recycled plastics by type using optical reflection while dynamically adjusting marker concentrations in the material stream.

Alternating stamp and cutting plates detach thermoformed containers in stages, reducing plastic waste while ensuring smooth peripheral edges.

Mechanical press rollers replace thermal fields to granulate plastics, eliminating energy-intensive heating and cooling processes.

Solvent dissolution removes polymer matrices from composites, and supercritical carbon dioxide eliminates residual material without degrading fiber strength.

Alkyl terephthalamide compatibilizers disperse polyolefin particles in bitumen, reducing environmental costs of conventional modifiers.

Double grind processing achieves uniform crumb rubber dispersion in polyolefin matrices, reducing porosity and PAH emissions in molded shaped articles.

Introducing moisture enables evaporative cooling to prevent thermal damage during high-speed comminution, eliminating expensive cryogenic coolants.

Segmented filter inserts and screw conveyors reduce maintenance downtime while ensuring high purification efficiency.

Segmented separation of composite waste reduces labor intensity while maintaining material recovery quality for flexible foaming members.

A production method for water-based polyester resin using recycled polyethylene terephthalate and specific polycarboxylic acid components.

Pre-buffing tire casings creates recessed profiles that combine with tread grooves to increase final depth and wear volume without adding material.

A packed leaching extraction method reduces plastic contaminants using sub-melting temperatures and controlled solvent ratios.

Solvent preconditioning and rapid heating induce liquid-to-gas phase change to delaminate cured composite laminates while preserving fiber alignment.

Continuous filtration removes insoluble contaminants from dissolved polystyrene, preventing sedimentation and enabling higher recyclate content.