Rubber Tire additive Silance coupler agent Si-69
Description of silane coupling agent(si-69):
Chemical Name: bis-[3-(triethoxysilyl)-propyl]-tetrasulfide
Similar to: Degussa Si-69
Formula: C18H42O6S4Si2
Typical physical properties of silane coupling agent(si-69):
Properties:
it is Light yellow transparent liquid with slight ethyl alcohol odor, easily soluble in organic solvents such as ethyl alcohol, acetone, benzene, toluene and chlorohydrocarbon, etc.
CAS NO.: 40372-72-3
Molecular Weight: 539.06
S content 22.7±0.8
Content of Cl 0.4
Boiling Point: 85-88 C. Deg /1.07Kpa
Density (ρ20 )g/cm3: 1.080-1.090
Refractive Index (n25D): 1.4800 +/- 0.0200
Potential Applications of silane coupling agent(si-69):
1, It is a kind of silane coupling agent with multiple functional groups successfully used in rubber industry to improve modulus and tensile strength of rubber, to reduce the compound viscosity and save process energy consumption.
2, It is especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers.
The suitable fillers include silica, silicate, clay, etc.
3, The suitable rubber include natural rubber (NR), Butadiene styrene rubber (SBR), Isoprene rubber (IR), Butadiene rubber (BR), Acrylonitrile butadiene rubber (NBR), Ethylene propylene diene rubber (EPDM), etc
Equipment photos:
Lab. photos:
Testing room photos: