Refractory material increase agent is what? Plasticizer is a kind of viscous material, is also a kind of surfactant. Plasticizer plasticizer mechanism is very complex, with the chemical
properties of the different plasticizers, the plasticizing mechanism or plasticization is different, such as the use of plastic clay plasticizer, and its mechanism is: plastic clay water, clay particles will dissolve in water and the formation of clay particles. Adsorbed water layer
of clay particle surface, the water film can reduce the friction between the particles under the action of external force, the easy displacement between the particles and the external force is removed, can still maintain the deformed shape, which is plastic clay has the reason of plasticizer, and use organic plasticizer.
properties of the different plasticizers, the plasticizing mechanism or plasticization is different, such as the use of plastic clay plasticizer, and its mechanism is: plastic clay water, clay particles will dissolve in water and the formation of clay particles. Adsorbed water layer
of clay particle surface, the water film can reduce the friction between the particles under the action of external force, the easy displacement between the particles and the external force is removed, can still maintain the deformed shape, which is plastic clay has the reason of plasticizer, and use organic plasticizer.
Such as methyl or carboxymethyl cellulose plasticizer the plasticization mechanism is: they are soluble in water swelling into a viscous colloidal solution, and strongly adhered to the refractory material particles, plays a role in flexible Federation between particles, this coupling will not fracture by particles occurs between displacement and force, which easy to deform, and the external force is removed after still can keep the deformed shape.
In the refractory industry, commonly used plasticizer inorganic plastic clay (bentonite clay) various oxide powders; a methyl cellulose organic, lignite sulfonate, alkyl benzene sulfur compounds etc… But the general use of inorganic and organic composite plasticizer effect is good.
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