发表时间:2021-02-24
Flame retardant, also known as flame retardant, fire retardant or fireproof agent: a functional additive that gives flammable polymers flame retardancy; It can be divided into additive flame retardant and reactive flame retardant according to application mode. According to the composition, additive flame retardants mainly include inorganic flame retardants, halogen flame retardants (organic chlorides and bromides), phosphorus flame retardants (red phosphorus, phosphate esters and halogenated phosphate esters, etc.) and nitrogen flame retardants. The reactive flame retardants are mostly organic halogen and organic phosphorus monomers containing reactive functional groups. In addition, molybdenum compounds, tin compounds and iron compounds with smoke suppression function also belong to the category of flame retardants. Mainly suitable for plastics with flame retardant requirements, delaying or preventing the burning of plastics, especially polymer plastics. The ignition time is prolonged, the ignition is self-extinguishing and it is difficult to ignite.