Application of Various Brands of Silica Fillers in the Formulation of Treads of Car Tires.

Autor: Lyushtyk, A. Yu., Kayushnikov, S. N., Shashok, Zh. S., Uss, E. P., Fedulova, E. V., Grabko, Yu. V., Stoyanov, O. V.
Zdroj: Polymer Science -- Series D; Dec2023, Vol. 16 Issue 4, p965-970, 6p
Abstrakt: The influence of silica fillers with different specific surface areas on the technological and operational properties of protective elastomer compositions has been studied. It has been established that compositions with a more highly dispersed silicic acid filler have a 10% higher Mooney viscosity and a higher dispersing ability in the elastomeric matrix (the complex dynamic modulus characterizing the Payne effect is reduced to 10%) compared to a sample containing a filler with a lower dispersion of equivalent dosage. It was determined that, with equal filling, tread rubber with a filler with greater dispersion is characterized by increased nominal stress at 300% elongation (by 21%), wear resistance, and dry road adherence (mechanical loss tangent values measured at –60 and +20°C, an increase by 21 and 11%, respectively). It was revealed that reducing the dosage of highly dispersed filler leads to the production of vulcanizates with greater elasticity and lower rolling losses while maintaining other car handling parameters. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
Externí odkaz: