The porcelain-forming mechanism and application of ceramic fireproof materials

2023-11-20 14:00:21 admin 305

Composite ceramic fireproof material is an emerging fireproof composite material in recent years. It can maintain the excellent properties of ordinary polymers at room temperature, and at the same time, it can quickly form a compact and hard ceramic body in flames or high temperature environments. It has fireproof properties. , flame retardant, ablation resistance and other characteristics, it has become a material that has attracted widespread attention in the industry and scientific research circles.

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Compared with traditional polymer materials, ceramic polymer materials have higher safety and reliability in fire or high temperature environments. Traditional polymer materials will ablate and fall off under high temperature or fire environment, and the residue cannot support themselves. Ceramic polymer materials can quickly produce a ceramic reaction under high temperature or fire environment, forming a hard and self-supporting material. The ceramic body will not fall off even when sprayed or vibrated, thus effectively preventing the spread of fire and loss of personnel and property.

When preparing ceramic polymer materials, additives such as porcelain fillers, fluxes, and flame retardants are often added to the polymer matrix. Under high temperature or flame ablation, these additives work synergistically with the polymer matrix and its cracking products to transform within the material. Among them, the flux gradually melts to form a "eutectic mixture" at the boundary of the support filler, and forms a bridging effect with the amorphous residue produced by the cracking of the polymer matrix. As time goes by, the temperature further increases, the eutectic mixture penetrates more fully between the supporting filler and the amorphous residue, the filler boundary gradually disappears, and a new inorganic phase is generated, forming a complete ceramic body.

In addition to being widely used in the field of fire protection, ceramic polymer materials have been widely used in many fields. Among them, those requiring fire protection and fire resistance are one of its main application areas.

In fields such as nuclear power plants, airports, high-speed railways, rail transit, bridges and tunnels, fireproof and refractory materials are an important guarantee for ensuring safety. The fireproof, flame retardant, ablation resistance and other characteristics of ceramic polymer materials make them ideal materials in these fields. For example, in nuclear power plants, ceramic polymer materials are widely used in the manufacture of fireproof sealing plates; in airports, high-speed rail, rail transit and other fields, the fireproof performance of ceramic polymer materials can effectively avoid the spread of fire and protect personnel and equipment. safety; in bridges and tunnels, ceramic polymer materials can effectively improve the fire protection level of tunnels and reduce the incidence of fire accidents.

In addition, in the field of new energy vehicles, ceramic polymer materials are also important fireproof materials. With the popularity of new energy vehicles, the safety of their batteries has also become the focus of attention. Ceramic polymer materials can be used to manufacture fireproof and thermal insulation materials for battery protection, effectively improving the safety performance of batteries.

In addition, ceramic polymer materials are also widely used in the manufacture of fire-proof and explosion-proof blankets for medium and high-voltage cable joints, fire-proof potting bus ducts, fire-proof sealing strips and other materials. It can be said that the application prospects of ceramic polymer materials in safety are very broad.