2 results about "Fire-resistance rating" patented technology

The utility model belongs to bridge engineering technical field discloses a kind of anchorage mass concrete curing device, including anchorage embedded part, heat preservation and moisture retention layer and fixed connection component, water-retaining curing film has sufficient moisture reserve and can slow-release own moisture evaporation, effectively reduce concrete moisture evaporation outward, prevent shrinkage crack caused by water loss, with long-term moisturizing effect;Fireproofing layer is attached to the side of water-retaining curing film away from mass concrete structure, with heat insulation capacity, prevent external high temperature or sudden drop in temperature directly act on concrete surface, buffer temperature difference change, reduce the risk of temperature crack caused by thermal stress;It has fireproof function simultaneously, with good fire resistance rating;Heat preservation and moisture retention layer is detachably fixedly connected with anchorage embedded part by fixed connection component, realize reliable, reusable fixed connection between curing layer and concrete structure, it is convenient to disassemble and reuse, improve service period, reduce construction cost.

This invention discloses a water-based coating with fire-retardant and thermal insulation functions, its preparation method, and its application, relating to the field of water-based coatings. This water-based coating with fire-retardant and thermal insulation functions, through an innovative raw material ratio, combines inorganic and organic flame retardants, along with surface-treated insulating glass microspheres and a specific ratio of inorganic hybrid emulsion, successfully enabling the coating to simultaneously possess excellent fire-retardant and thermal insulation properties. Test results of Examples 1-3 show that the coatings all achieve a 1-hour fire resistance rating, with the lowest thermal conductivity reduced to 0.042 W / (m·K), far exceeding the performance of the control example, which only possesses basic fire-retardant functions and insufficient thermal insulation performance. When this multifunctional coating is applied to building exteriors, industrial equipment surfaces, and vehicle interiors, it can effectively prevent the spread of fire, ensure personnel safety, reduce energy consumption, and improve energy efficiency.