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What are the advantages of PA flame retardant in the application

Release time:

Jun 08,2019

[Summary]PA flame retardant is a common environmentally friendly flame retardant, which has the advantages of halogen-free, low toxicity, low smoke, high thermal stability, and low heat loss at 300 ℃. MCA is especially suitable for nylon 6 and nylon 66 without filler. The flame retardant nylon with MCA can reach UL94V-0 grade (960 ℃;1.6mm).

What are the advantages of PA flame retardant in the application

PA flame retardant is a common environmentally friendly flame retardant, which has the advantages of halogen-free, low toxicity, low smoke, high thermal stability, and low heat loss at 300 ℃. MCA is especially suitable for nylon 6 and nylon 66 without filler. The flame retardant nylon with MCA can reach UL94V-0 grade (960 ℃;1.6mm). The advantages of nylon flame retardant in the application:

1. High whiteness, excellent dispersion, strong compatibility with other flame retardant systems.

2. The initial decomposition temperature is above 350 ℃, high temperature resistance and good thermal stability

3. Do not contain halogen and phosphorus flame retardant itself low toxicity harmless for green environmental protection products

4. The flame retardant performance can reach UL94V-0 grade, and can pass the GWFI test at 960 ℃.

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Several issues that should be noted in the use of halogen-free flame retardants

Generally speaking, with the decrease of the amount of PP and the increase of the amount of halogen-free flame retardant, the flame retardant effect of the material will get better and better. Why is the PP in glass fiber relatively reduced (adding glass fiber), the amount of halogen-free flame retardant unchanged, and the flame retardant will become worse or even unchanged? This is mainly because the addition of glass fiber destroys the flame retardant mechanism of the expansion system, glass fiber is distributed in various parts of the plastic, the carbon layer closed has a great destructive effect, so that it can not be achieved by isolating oxygen.

Several issues that should be noted in the use of halogen-free flame retardants

Do you know the classification of halogen-free flame retardants?

Phosphorus halogen-free flame retardants are gradually favored by more and more people. These flame retardants and their derivatives are used as curing agents for polymers. The properties of epoxy resins cured with them are different from those of brominated epoxy resins, especially their flame retardancy and thermal stability. There are two hydrocarbon groups in the hesitation period, so it can be used as a curing agent for epoxy resin. Compared with the traditional epoxy resin, the cured epoxy resin can be higher than 40 ℃, and it will not produce black smoke and hammering.

Do you know the classification of halogen-free flame retardants?

Do you know these knowledge of halogen-free flame retardants?

With the advancement of science and technology, halogen-free flame retardants have also developed. Because halogen-free flame retardants are based on phosphorus compounds and metal hydroxides, they emit a small amount of smoke when burned, and do not produce non-toxic and corrosive. Non-polluting flame retardants are called non-polluting flame retardants, so they are particularly loved by many industries. Here to introduce the relevant knowledge of halogen-free flame retardants.

Do you know these knowledge of halogen-free flame retardants?

Development of halogen-free flame retardant market

In 2016, the global halogen-free flame retardant market size exceeded US $0.3 billion, and is expected to exceed US $6.9 billion by 2024. The global halogen-free flame retardant market is expected to grow at a compound annual growth rate of more than 8% from 2017 to 2024. In terms of total volume, the demand for halogen-free flame retardants is expected to reach about 300000 tons in 2024, and the compound annual growth rate during the forecast period will exceed 7%. Some key factors to promote market growth include end-user industries for fire safety products. Awareness, increased use of plastics in many industries, and regulations for the use of halogenated flame retardants led by regulatory agencies.

Development of halogen-free flame retardant market

Classification of halogen-free flame retardants

There are many kinds of organic flame retardants, and the development speed is very fast. They can be divided into halogen flame retardants and halogen-free flame retardants. Halogen flame retardants are a kind of flame retardants used very early, but due to the release of toxic gases, their use is greatly restricted. Halogen-free flame retardants do not contain halogen, have good flame retardant effect, and the gas produced by thermal decomposition has low smoke and low toxicity, which is widely welcomed. Halogen-free flame retardants can be divided into phosphorus-containing flame retardants, nitrogen-containing flame retardants and intumescent flame retardants.

Classification of halogen-free flame retardants

Reaction Mechanism of Halogen-free Flame Retardants

The flame retardant effect of inorganic flame retardants is mainly to use the heat storage and thermal conductivity of large specific volume fillers to make it difficult for the material to reach the decomposition temperature, or to alleviate or terminate the heating process of the bulk material through the thermal decomposition of halogen-free flame retardants. The flame retardant mechanism is to release crystal water, evaporate, decompose and release water vapor when heated.

Reaction Mechanism of Halogen-free Flame Retardants