Compared with carbon black, silica has finer particles and larger surface area, so vulcanizates have higher tensile strength, tear strength and wear resistance. However, due to the surface polarity and hydrophilicity of white carbon black, the compatibility with hydrocarbon rubber molecules is not as good as that of carbon black. If filled in a large amount in rubber, not only the reinforcing effect is reduced, Stress, compression deformation, wear and processing performance are not as good as carbon black filled rubber.
In the late 1970s, it was found that silica modified with a silane coupling agent not only reduces the Mooney viscosity of the rubber compound, improves the processability, but also reduces heat generation and rolling resistance and improves the wear resistance. The introduction of silane coupling agent makes the application of silica in rubber by leaps and bounds.
In the early 1990s, Michelin created the concept of low rolling resistance by replacing carbon black in tread rubber with highly dispersible white carbon, making fuel-saving a reality, resulting in a "green tire" of silica Application has opened up a new world.
Yihai Trade and Industry for many years engaged in the production of silica, has a wealth of production experience and advanced technology and equipment, it is your trust!
