Heat protective textiles insulation

New materials and designs have been developed for heat protective clothing. For example, improved thermal insulation can be provided by non-wovens made with thin hollowed fibres, and can be made thermo-adaptive with two-way shape memory alloys such as nickel-titanium. Better thermoregulation inside the garment is sought with PCM, either encapsulated ° or incorporated in a matrix. Other solutions use external power, e.g., for liquid coolant circulation or with Peltier cells embedded in the textile. ... 

Finally, conductive heat protection is required for textiles that may come into direct contact with a heat source other than a flame. Major threats here include those met by metal industrial workers, who risk contact with hot metal tool handles and molten metal splashes. For this reason, not only must the thermal insulating characteristics of the textile be paramount, but also surfaces which minimise contact, for instance by resisting wetting by molten metals, must be considered. However, in many thermally hazardous environments, a combination of conduction, convection (or flame) and radiation may be operating in concert, and usually the last two are associated with flame sources in particular. 

RCF is sold in a variety of forms, such as loose fiber, blanket, boards, modules, cloth, cements, putties, paper, coatings, felt, vacuum-formed shapes, rope, braid, tape, and textiles. The products are principally used for industrial appHcations as insulation in furnaces, heaters, kiln linings, furnace doors, metal launders, tank car insulation, and other uses up to 1400°C. RCF-consuming industries include ferrous and nonferrous metals, petrochemical, ceramic, glass, chemical, fertiH2er, transportation, constmction, and power generation/incineration. Some newer uses include commercial fire protection and appHcations in aerospace, eg, heat shields and automotive, eg, catalytic converters, metal reinforcement, heat shields, brake pads, and airbags. 

Organic coated micro bubbles and inorganic silicon networks have been discussed. Another remarkable fmish is similar to these products evacuated micro bubbles from silicon compounds, fixed with an acrylate binder on the fibre surface provide new insulation textiles. The high insulation value of the vacuum and the reflectance of the ceramic bubbles of this so-called liquid ceramic fmish protects very effectively from heat and cold. ... 

In addition, the requirements and properties of 3D textiles are described. 3D textiles must have fashionable and functional properties, while offering adequate protection. The processed 3D textiles used for clothing must be breathable, heat-insulating, robust and secure. 3D textiles also must ensure adequate comfort. 

---