What are the functions of stabilizers?
Release Time:
2023-03-09
Shandong stabilizer manufacturers tell you that the role of stabilizers is to increase the stability of solutions, colloids, solids and mixtures, slow down reactions, maintain chemical balance, reduce surface tension, prevent photothermal decomposition or oxidative decomposition, etc., generalized chemical stabilizers Wide variety of sources.
Shandong stabilizer manufacturers tell you that the role of stabilizers is to increase the stability of solutions, colloids, solids and mixtures, slow down reactions, maintain chemical balance, reduce surface tension, prevent photothermal decomposition or oxidative decomposition, etc., generalized chemical stabilizers Wide variety of sources.
Stabilizers are additives that ensure the stable performance of plastic products and do not crack during processing and use. In practice, in addition to thermal stability, stabilizers are often required to have excellent processing performance, weather resistance, initial coloring and light stability, and have strict requirements on odor and viscosity.
Stabilizers are generally used in PVC products, including pipes, sheets, blow molding products, injection molding products, foam products, paste resins, etc. A single metal soap compound is rarely used in the PVC industry, but usually a compound of several metal soaps. This compound is not a simple addition of properties, but the synergistic effect of the components.
Composite metal soap stabilizer generally includes stabilizer main body, namely metal soap, solvent organic solvent, plasticizer, liquid non-metallic stabilizer, functional auxiliary stabilizer, transparency improver, light stabilizer, lubricant, etc.
According to the shape, it can be divided into solid compound and liquid compound. According to the main components, it can be divided into calcium/zinc composite stabilizer, calcium/zinc hydrotalcite stabilizer, barium/cadmium composite stabilizer and barium/zinc composite stabilizer.
Calcium/hydrotalcite composite stabilizers play an important role in replacing toxic metals due to their non-toxicity. Organotin stabilizers can be used in bottles, containers, corrugated cardboard, rigid packaging containers of all types, hoses, profiles, films, etc.
Salt stabilizer is especially suitable for high temperature processing, used for various opaque soft and hard products and cable materials, such as various pipes, plates, indoor and outdoor profiles, foam plastics, artificial leather, wires, cables, records, welding rods, etc.
The function of the stabilizer is to make the coal particles suspend stably in the water without hard precipitation. Since coal water slurry is a coarse particle suspension, which belongs to a dynamic unstable system, the main way to make it stable is to make it thixotropic, that is, when the coal slurry is still, it is structured and has a high shear stress. However, when it is applied, the viscosity can be reduced rapidly by external force, and it has good fluidity, and it can restore the original structural state when it is left standing.
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