Special Tyres TRIZ Cases

Dispersing fibrillated fiber in a non-miscible crosslinkable component balances ice friction and wear resistance in studless tire rubber.

A conjugated diene polymer featuring a specific molecular weight distribution and polar functional groups enhances tire processability.

Destructured starch silyl ethers reduce hysteresis and improve dispersion uniformity in elastomers by chemically modifying native starch granules.

Trisubstituted epoxide pendant groups on diene polymers enable selective crosslinking that raises breaking strength while keeping hysteresis low.

Combines silica and specific carbon black grades in diene rubber to resolve wear resistance versus wet grip trade-offs.

A pneumatic tire uses tailored rubber tan delta values to reduce rolling resistance and maintain stable fuel economy across temperature variations.

Amino-functionalized styrene-butadiene copolymers chemically bond with silica fillers, resolving the trade-off between low rolling resistance and wet grip.

A pneumatic tire uses a foamed cap tread and silica-rich rubber to improve fuel economy.

End-functionalized conjugated diene polymer reduces hysteresis loss by improving inorganic filler compatibility, boosting fuel efficiency.

Anionic polymerization functionalizes bifunctionalized elastomer chain ends to enhance filler affinity.

A tire tread uses three radially superposed rubber layers with varying reinforcing filler contents to optimize grip.

Calcium salt facilitates silica and diene elastomer latex coagulation, resolving agglomeration bottlenecks to improve filler dispersion.

End-modified conjugated diene-based polymer solution enhances reinforcing filler dispersibility in rubber compositions.

A tire tread composition uses a diene elastomer with SiOR functions and a low-temperature phosphate plasticizer to enhance traction.

Aerogel particles embedded in polymer foam create a composite material with superior thermal and acoustic insulation properties.

Graphene-functionalized metal cords eliminate cobalt salt usage while providing corrosion resistance and strong adhesion to unsaturated rubber.

Cationic polymerization of piperylene monomers with silane groups increases storage modulus and reduces tan delta to maintain traction at high speeds.

Sequential monomer addition into catalyst solution manages heat of reaction, enabling normal pressure vessels and reducing equipment costs.

N,N′,N″-substituted hexahydro-1,3,5-triazine randomizes styrene units during anionic polymerization to tailor block content.

A pneumatic tire tread uses a dual-layer composite structure to balance stiffness and rolling resistance.

Toroidal roller rows on a rim rotate a tire to create sideways motion, resolving vibration limits that restrict transit speed in prior omnidirectional designs.

A modified conjugated diene polymer uses a silane coupling agent to bond hydrophobic rubber chains with hydrophilic silica fillers.

Metallocene catalysts produce random styrene-butadiene copolymers with controlled glass transition temperatures.

Silane-modified polybutadienes resolve silica-rubber compatibility issues while maintaining abrasion levels comparable to soot-filled tires.

Optimizing bonded styrene and vinyl content balances rolling resistance against heat build-up while maintaining tensile elongation at break.

A rubber composition uses a glycerol fatty acid triester with controlled saturated fatty acids to improve fuel economy while preventing surface bleeding.

Segmenting the tread base into zones with varying hysteresis resolves the conflict between rolling resistance and handling behavior.

Crosslinked elastic microparticles replace silica fillers to increase tire rigidity and wear resistance without raising heat build-up.

Asymmetric protrusion portions create turbulence to lower lift and air resistance while maintaining tire uniformity at the maximum width position.

Silane-modified polymer mediates carbon black dispersion in rubber, resolving the trade-off between mechanical strength and rolling resistance.

Flat equilibrium curve in tire summit reinforcement belts reduces cable tension, eliminating belt droop to enable wider tires with uniform tread wear.

A diene rubber tire tread composition uses silica and silane coupling agents to enhance wear resistance.

Replacing metal plies with thermoplastic elastomer composites prevents external attacks while eliminating anti-ozonant migration staining.

Controlling the mass fractal dimension to inertia radius ratio of silica aggregates balances wet grip performance with rubber hardness.

Amine-functionalized chain ends on a polyether-central triblock diene elastomer reduce hysteresis while maintaining stiffness for tire treads.

Pendant cyclic carbonate groups on the polymer chain react directly with silica fillers without coupling agents.

A radial tire crown sublayer incorporates a thermoplastic styrenic copolymer to enhance structural stiffness.

Unequal axial crown layers decouple shear stresses via a rubber compound interlayer, maintaining endurance and wear resistance under high-speed thermal loads.

Star-branched copolymer composition resolves the contradiction between mechanical strength and dielectric loss in high-frequency circuit substrates.

Embedding tire identification tags within reinforcing belt cords or sidewall cavities prevents damage from curing heat and bending forces.

Air agitation portions diffuse heat generated by tire rotation, preventing adhesive softening and maintaining the sound-absorbing member's attachment.

Segmented tread design isolates conductive rubber to reduce uneven shoulder wear while maintaining static discharge.

A rubber composition uses a functionalized low molecular weight diene elastomer with alkoxysilyl groups to enhance filler incorporation.

Curved tread blocks use high modulus covering on lateral faces to increase stiffness, removing the central circumferential block to improve water drainage.

Reactive polyol functionalizes styrene-butadiene copolymer backbone to enhance silica affinity.

Melt grafting functionalized styrene butadiene rubber introduces polar groups to enhance silica dispersibility, balancing wet braking and rolling resistance.

Optimized crescent-like side reinforcing rubber dimensions balance structural integrity against air resistance to improve fuel efficiency.

Block copolymer sheathing on reinforcing threads bonds directly to rubber, eliminating formaldehyde and metal salt adhesives that cause oxidation sensitivity.

A rubber-steel cord composite uses a sulfeneamide base vulcanization accelerator to enhance adhesive properties.

Kneading silica with diene rubber before adding syndiotactic-1,2-polybutadiene accelerates phase separation to improve wet grip performance.