Plastic Recycling TRIZ Cases

A method realigns fibers in composite parts by heating the resin above its glass transition temperature and applying force vectors parallel to the desired axis.

Extruding comminuted textile fibers with polyethylene film produces homogeneous composites without meticulous sorting, reducing CO2 emissions.

Internal ultrasonic horns in extruders treat materials within the barrel to prevent broken extrudates and reduce power consumption.

Optimizing antimony catalyst temperature and removing free glycol from molten BHET raises the L* color value of recycled polyethylene terephthalate.

Opposing rotation directions strip material at the outlet, preventing clogging and ensuring consistent filling of the extruder screw.

A resin molded article incorporates a beam-shaped portion with a plastically deformable free end to enable physical deterioration testing.

Shear devulcanization modifies reclaimed elastomer particles to restore mechanical strength.

A polystyrene resin composition utilizes dispersed styrene block copolymer particles to enhance mechanical strength and impact resistance.

Epoxy resin systems incorporate hydrolyzable bonds to enable material recovery through mild chemical treatment.

Intense stirring separates dirt while an endless belt drags clean pieces along a channel, preventing accumulation.

Frictional heating in a dry compactor recycles mixed plastics while preventing polymer degradation caused by screw mixer stress.

An organo-metallic interfacial modifier coats silica and silicate fibers, enabling high fiber loadings without thermal depolymerization or processing damage.

A rotary autoclave uses high-pressure fluid jets to destructurize absorbent sanitary products for material recovery.

Sterically hindered epoxides and capping agents prevent branching during extrusion, offsetting molecular weight reduction in recycled PET.

Sulfonic acid catalysts enable mild depolymerization of polycondensate waste, eliminating costly high-pressure separation steps.

A monolayer film blends recycled ethylene vinyl alcohol copolymer with a polyolefin compatibilizer to enhance mechanical strength.

Hydrolyzing polyurethanes with a phase transfer catalyst recovers high-quality polyether polyols and polyamines.

Thermoplastic processing of devulcanized rubber vulcanizate with acrylic polymer emulsion creates shapeable composite materials.

Alkyl carbonate decomposes cross-linked polymer structures at high temperatures, eliminating nitrogen dioxide toxicity.

Alditols react with polymer damage points to form hemiacetals, masking initiation sites for further degradation in halogen-free thermoplastic recyclates.

Curved cleaning ribs guide shredded plastic through a gap to remove surface impurities without causing folding or snarling.

Grinding agglomerated mixed plastic in a water-filled refiner separates impurities and reduces contamination.

Curved drum surfaces eliminate sharp edges that trigger arcs during thermal cycling, maintaining mixing efficiency in depolymerization reactors.

A laser processing apparatus emits light to a container body while controlling vibration frequency.

Converts waste PET polymers into diamino diamido compounds via catalyst-free aminolysis, eliminating hazardous chemical additives in bituminous concrete.

Depolymerizing recycled PET into purified terephthalic acid removes contaminants that degrade color quality in consumer electronics.

Reversible click bonds allow polymer structures to break into feedstock particles and reform, resolving recycling efficiency versus reconfiguration capability.

A base-catalyzed hydrolysis method decomposes polyether ether ketone into monomers using sodium tert-butoxide and 2-phenylethylthiol.

A subcritical and supercritical water system treats comingled plastic waste to produce high-quality recycled materials.

A persulfate system converts waste plastic into C7H12 and C10H12 fuels through controlled oxidation.

A regenerated styrene resin composition blends recycled and virgin materials to achieve high impact resistance.

A recycling device converts waste polypropylene medical drip bags into granules through heating, kneading, and vibration screening.

Ionic liquid compounds modify thermoplastic polymer compositions to increase melt flow rate, addressing inefficient processing and high defect rates.

A resin mixture blends two polycarbonate particle types with distinct molecular weights to enhance melt flow rates.

A polyolefin composition blends recycled waste with specific propylene and ethylene terpolymers to boost tensile strength.

Surfactant washing recovers clean plastic films and pigments, reducing waste while maintaining production speed.

A preform manufacturing device merges decontamination with injection molding to directly process thermoplastic resin flakes.

A sensor separation apparatus modifies particle affinity to enable selective capture by a separator.

Low-pressure extrusion purifies recycled PET polymer melt to maintain intrinsic viscosity while avoiding chain scission from multiple thermal cycles.

Hydrogenolysis of polyolefins using platinum nanoparticles on strontium titanate nanocuboids to produce lubricant-range hydrocarbon fragments.

Segmented extrusion purifies recycled polymer melt before fiber addition, preventing equipment blockage from unmelted waste contamination.

A copolyester blend with recycled PET yields clear, tough molded articles compatible with standard recycling streams.

Electrodes apply current to slurry, breaking resin bonds and recovering intact fibers without mechanical dust.

Surfactant pretreatment swells cured thermosetting resin, increasing reactive surface area to accelerate decomposition while reducing energy consumption.

A cellulosic superabsorbent polymer converts textile waste into high-capacity liquid absorbents via hydrothermal treatment and crosslinking.

A gas flow through a fixed bed reactor reduces C7-C11 aldehydes in recycled polyolefins, eliminating malodorous contaminants without mechanical stirring.

Segmented cutting modules reduce particle size while preventing kneading that alters physical properties.