Plastic Recycling TRIZ Cases

Recycling fine particles from ground prepolymer eliminates material loss while achieving controlled particle size distribution for reliable coating.

A thermoplastic recycling process converts resin into lower molar mass polymers using localized heating and dissolution in base monomers.

Grinds cross-linked foams to specific particle sizes enabling direct melt mixing with thermoplastics, bypassing costly chemical recycling.

Thermal-mechanical densification reduces EPS volume by 70x, cutting logistics costs.

Zirconocene and hydrogenation catalysts produce ethylene/1-hexene copolymers with controlled molecular weight distributions.

A color masterbatch uses acid dyes and water-swellable components to enable plastic decolorization.

Dried PHBV flax fiber regranulate enables five reprocessing cycles, reducing manufacturing costs while maintaining material integrity.

Optical sorting isolates colored plastics from mixed waste streams, while a bypass stream prevents bleeding during decoloring.

A method degrades recycled superabsorbent polymer into polyacrylic acid for repolymerization into new absorbent materials.

Dissolving cyclic olefin resin in a selective solvent separates it from composite materials, eliminating the need for high-temperature melting equipment.

A heat transport unit transfers thermal energy from heated plastic recyclate to new granulate.

Multi-stage screw extruders process waste rubber powder with softeners to achieve uniform devulcanization through controlled shear and temperature.

A segmented mixing process incorporates crumb rubber into diene elastomers to enhance fatigue and abrasion resistance.

Copolymerized polyester resin sets crystallization temperature between 70 and 130 degrees Celsius to prevent clumping during regeneration.

Melamine polyphosphate additives enable UL94 V-0 ratings at sub-1.5 mm thicknesses without compromising mechanical stiffness.

Replacing divinyl agents with diacylhydrazine allows sodium polyacrylate to decompose via oxidation, reducing waste volume and disposal costs.

A rubber crumb production process uses supercritical fluid suspension and isenthalpic expansion to achieve fine particle fragmentation.

Vaporizing liquid nitrogen expands inside concrete pores to break the structure while avoiding damage to embedded reinforcing bars and pipes.

A styrene-grafted polypropylene compatibilizer blends with recycled materials to enhance tensile modulus and impact strength.

Large recycled polyolefin particles replace SBR rubber, eliminating carcinogenic emissions and microplastic pollution while ensuring biomechanical protection.

Char accelerators adsorb chlorine from pyrolysis oil, preventing equipment corrosion and hydrotreating issues.

A two-step chemical process converts unsorted polyurethane waste into high-quality isocyanate-reactive polyols.