Flame-retardant high-strength glass steel grating

Abstract

The invention discloses a flame-retardant high-strength glass steel grating. The flame-retardant high-strength glass steel grating comprises unsaturated resin, expandable graphite, a curing agent and an accelerator, wherein the mass ratio of the unsaturated resin to the expandable graphite is 100:(10-30); the mass ratio of the curing agent to the unsaturated resin is (1-2):100; the mass ratio of the accelerator to the unsaturated resin is 2:100. The glass steel grating with the formula provided by the invention adopts the expandable graphite with excellent flame resistance so as to reduce smoke and harmful gas generated during combustion of the traditional glass steel grating and improve the flame resistance, improves the processing temperature of the flame-retardant material and guarantees the original mechanical properties, and also improves heat-insulating performance, strength, corrosion resistance and weather resistance.

Description

technical field [0001] The invention relates to the technical field of FRP gratings, in particular to a flame-retardant high-strength FRP grating. Background technique [0002] Molded glass fiber reinforced plastic grating (referred to as FRP grating) is a kind of glass fiber reinforced material, unsaturated polyester resin as matrix, which is made by manual winding and resin casting method with many regular spaces. of sheet material. Because of its excellent corrosion resistance, flame retardant, light weight and high strength, impact resistance, insulation, non-slip, non-magnetic, beautiful, maintenance-free, easy installation, aging resistance, fatigue resistance and other characteristics, it is widely used in petrochemical, metallurgy, electric power , food, transportation, environmental protection and many other industrial fields. [0003] With the widespread use of FRP grating, the quality requirements for its products are getting higher and higher, but as a polymer ...

AI Technical Summary

Problems solved by technology

[0003] With the widespread use of FRP grating, the quality requirements for its products are getting higher and higher, but as a polymer material, it is flammable and there are many fire hazards in use.

At present, the main method to improve the flame retardancy of FRP grating products is to add flame retardants, but flame retardants have certain deficiencies, such as halogen-containing flame retardants, which have good flame retardant effects, but are prone to produce a large amount of harmful substances during the flame retardant process. At the same time, when the halogen-containing products are used outdoors under the condition of light, the anti-aging will deteriorate, and they will easily turn yellow, resulting in reduced weather resistance

Generally, as the amount of polymerization inhibitor used increases, the mechanical properties of FRP grating products will become worse and worse, and its mechanical properties are too low, which will seriously affect its normal use.

[0004] To sum up, the flame retardant properties of existing FRP grating components are not high, and FRP gratings using flame retardants tend to emit harmful gases and smoke during combustion, and the greater the amount of flame retardants used, the greater the use of FRP gratings. The worse the mechanical properties of the grid, it needs to be improved urgently