| 摘要 |
<p>Process for the manufacture of a refractory material of the nonshaped type, comprising mixing of refractory aggregates and of a binder providing a cohesion by chemical bonding, forming of this mixture and its firing, and characterised in that: … … - a charge comprising refractory particles with a polymodal particle size distribution is mixed with a liquid binder consisting of a mixture, in aqueous medium, of polysilicate-based inorganic polymers and of an inorganic polymer containing sialate groups, … - the paste obtained is formed and, after setting of the mixture at a temperature of between room temperature and 200 DEG C, … - the set mixture is heated to a temperature of between 200 and 1300 DEG C so as to obtain a refractory material of high mechanical characteristics and high resistance to thermal shock and to chemical corrosion. … </p> |
