Flame retardant manufacturers: analysis of types of flame retardants!

Release time:

2024-03-13 10:48

Flame retardant, a functional additive that gives flammable polymers flame retardant, is mainly designed for the flame retardant of polymer materials; there are many types of flame retardants, which are divided into additive flame retardants and reactive flame retardants according to the method of use.

阻燃剂

Flame retardant science and technology is a science developed to meet the needs of social production and life, prevent fires and protect people's lives and property. Flame retardant is the application of flame retardant technology in real life. It is a special chemical additive used to improve the combustion performance of combustible and flammable materials, and is widely used in the flame retardant processing of various decoration materials. After the flame retardant processing of the material, in the external fire attack, can effectively prevent, delay or terminate the spread of the flame, so as to achieve the role of flame retardant.

Flame retardants are divided into two categories: physically mixed additive flame retardants and chemically bonded reactive flame retardants. The basic requirements for the physical properties of flame retardants are: ①Good compatibility with plastics and synthetic fibers; ②Do not change the inherent excellent properties of the original material; ③Small dosage and large effect; ④No decomposition at processing temperature; ⑤Small, no toxic gas is produced during combustion; ⑥ low cost.

Like this kind of composite flame retardant has two categories, one is two kinds of flame retardant mechanical mixing compound flame retardant; the second is also containing nitrogen and phosphorus compounds. The former is a flame retardant composed of melamine and polyphosphate, and a flame retardant composed of urea, dicyandiamide and phosphate; the latter is a melamine salt of tetraol phosphate, cyclophosphamide polymer, etc.

Flame retardant manufacturers

Flame retardant manufacturers: the use and characteristics of flame retardants!

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Flame retardant manufacturers: the use and characteristics of flame retardants!

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Antimony trioxide (also referred to as antimony oxide, commonly known as antimony white) molecular formula: Sb2O3 molecular weight: 291.5 Antimony trioxide is one of the inorganic flame retardants that have been used for a long time. It is mainly used as a flame retardant synergist to cooperate with halogen-containing compounds. It plays a flame retardant role in their thermal decomposition process and can replace some halogen compounds. It can be applied to plastics, rubber, chemical fiber, enamel, pigment, paint, glass, glass, electronics and other industries.

Antimony trioxide

3.5 zinc borate water molecular formula: 2ZnO • 3B2O3 • 3.5H2O molecular weight: 434.51. Zinc borate is an inorganic additive flame retardant, which is characterized by good thermal stability, I .e. flame retardant and smoke elimination. It can replace antimony trioxide in some products and can also be used in conjunction with other inorganic flame retardants with better effect. Anhydrous zinc borate molecular structure formula is 2ZnO · 3B2O3, white powder, excellent fluidity, temperature resistance to 600 ℃, low heat release rate. Very low water solubility, no migration, and excellent charring performance, can be compounded with other additives into halogen-free expansion flame retardant, can be used as a high processing temperature polymer (polyether ketone, polyalum, polyester, nylon, fluorine-containing polymer, etc.) excellent flame retardant and smoke suppression agent.

Zinc Borate

Tris (2-chloroethyl) phosphate abbreviation: TCEP molecular formula: C 6 H 12O 4 CL 3 P molecular weight: 285.5 Tris (2-chloropropyl) phosphate abbreviation: TCPP molecular formula: C 9H 18C l3P O 4 molecular weight: 327.56

TCEP TCPP