Plastic Recycling TRIZ Cases

Blending physically and chemically regenerated recycled polyester chips adjusts intrinsic viscosity, enabling film extrusion while maximizing recycled content.

Spraying preconditioned concentrated plastic solution above critical point evaporates solvent while maintaining molecular weight and additive recovery.

Cellulose ester compositions incorporate organic substituents derived from recycled plastic syngas to reduce fossil fuel dependence and waste.

A plastic recycling device sequences melt homogenization after filtration to break down agglomerates before degassing.

Shearing action and heat separate PET from PE contamination, achieving high purity flakes for clear product reuse.

Twin-screw extruder processes vulcanized rubber particles with a regeneration reagent to yield devulcanized mixtures that preserve polymer chain length.

Methanol medium with alkali hydroxide breaks down polymer structures under microwave heating, resolving slow reaction times and high energy consumption.

Heat treatment reduces oxygen to 100 ppm, preventing transparency loss in recycled cyclic olefin resin molded bodies.

A dry separation process recovers super-absorbing polymer particles from used sanitary products without water.

Near-infrared spectroscopy enables rapid on-site classification of polyamide types without destructive testing or expensive laboratory equipment.

A movable mold injection station uses a segmented feed member to enable continuous plastic processing across diverse tooling configurations.

Pulsed electric fields generate shock waves in liquid to divide polymeric articles at material interfaces.

Glycol additives increase the melt index and tearability of recycled polyurethane, resolving waste disposal issues while maintaining material reliability.

A thermoplastic elastomer composition blends crosslinked rubber powder to deliver elastic recovery and high elongation at break.

Solid-state shear pulverization disperses colorant additives within polymer resins while maintaining a solid mixture state through active cooling.

A polypropylene recovery process uses cold mechanical compaction to transport and densify plastic flakes without thermal energy.

Airflow injection bonds shredded composite packaging in a multi-part mold, bypassing complex separation processes to enhance recycling efficiency.

Alkali metal salt controls pH to suppress thermal degradation and gel formation in bio-polyethylene resin, maintaining transparency.

Control system maintains mixture ratio within narrow band by adjusting auger speed, preventing equipment damage from inconsistent material composition.

Preliminary treatment with a heating stage ensures adhesion between lignin-free fibers and polymers.

A thermocatalytic process converts mixed plastic waste into high-quality pyrolytic oil using controlled thermal degradation and condensation.

Non-linear rotary blades cut flexible films into unique pouch shapes, resolving the trade-off between design versatility and device complexity.

A modular system separates tire treads into strips and binds them with adhesive to form durable structural components.

Shearing forces detach PE film from A-PET chips, avoiding heat-induced contamination.

Filling integrally bladed rotor recesses with a magnetic plastic dampens vibrations, protecting sensitive areas and extending tool life.

Thermally reversibly crosslinked polyolefins enable melt reprocessing through dynamic covalent bonds formed via reactive extrusion.

Moisture in waste plastic feedstock suppresses hydrogen chloride generation during pyrolysis to produce low-chlorine oil.

Convert waste pressure-sensitive adhesive into reusable polymer through base treatment that solubilizes the cross-linked structure for resource recovery.

Sulfolane-based catalytic solution breaks down thermosetting polymers into recoverable fragments, preserving fiber strength without harsh conditions.

Portioning and weighing fiber material before extrusion maintains fiber length while ensuring consistent mass flow.

Controlled hydrolysis of unused 3D printing powder lowers molecular weight, restoring flow properties for injection molding.

Horizontal sieve plate movement uses inertia to push metal piles into a collection basin, preventing clogging during plastic separation.

Optimizing light source arrays via genetic algorithms reduces instrument complexity while maintaining material identification accuracy.

Targeted amino acid substitutions enhance thermal stability and degradation efficiency of protease variants for polylactic acid recycling.

Melt filters separate plastic types by viscosity, resolving purity and process difficulty trade-offs.

Solid-phase shear milling breaks cross-linked polyethylene networks to enable thermoplastic processing.

Longitudinal apparatuses divide the shipping container into variable volume spaces, reducing storage space requirements for bulky foam insulation.