Flame Retardant

Triphenyl phosphate (115-86-6)

  • CAS Number: 115-86-6
  • Molecular Weight: 326.28
  • Molecular Formula: C18H15O4P

Decabromodiphenyl ether (1163-19-5)

  • CAS Number: 1163-19-5
  • Molecular Weight: 959
  • Molecular Formula: C12Br10O

1,2,3,4,5,6-Hexabromocyclohexane (1837-91-8)

  • CAS Number: 1837-91-8
  • Molecular Weight: 557.54
  • Molecular Formula: C6H6Br6

TetraBromoBisphenol A (2,3-Dibromopropyl)ether (21850-44-2)

  • CAS Number: 21850-44-2
  • Molecular Weight: 943.62
  • Molecular Formula: C21H20Br8O2

2,3,5,6-Tetrabromo-p-xylene (23488-38-2)

  • CAS Number: 23488-38-2
  • Molecular Weight: 421.75
  • Molecular Formula: C8H6Br4

Tetrabromobisphenol A diallyl ether (25327-89-3)

  • CAS Number: 25327-89-3
  • Molecular Weight: 624
  • Molecular Formula: C21H20Br4O2

2,4,6-Tris(2,4,6-Tribromophenoxy)-1,3,5-triazine (25713-60-4)

  • CAS Number: 25713-60-4
  • Molecular Weight: 1067.43000
  • Molecular Formula: C21H6Br9N3O3

Cresyl Diphenyl Phosphate (26444-49-5)

  • CAS Number: 26444-49-5
  • Molecular Weight: 340.31
  • Molecular Formula: C19H17O4P

meso-1,2,3,4-Tetrabromobutane (2657-67-2)

  • CAS Number: 2657-67-2
  • Molecular Weight: 373.71
  • Molecular Formula: C4H6Br4

Diphenyl phenylphosphonate (3049-24-9)

  • CAS Number: 3049-24-9
  • Molecular Weight: 310.283662
  • Molecular Formula: C18H15O3P

4-methyl-2,3,5,6-tetrabromophenol (37721-75-8)

  • CAS Number: 37721-75-8
  • Molecular Weight: 423.72
  • Molecular Formula: C7H4Br4O

4,4'-Isopropylidenebis[2-(2,6-dibromophenoxy)ethanol] (4162-45-2)

  • CAS Number: 4162-45-2
  • Molecular Weight: 631.98
  • Molecular Formula: C19H20Br4O4

Tris(2,3-dibromopropyl) isocyanurate (52434-90-9)

  • CAS Number: 52434-90-9
  • Molecular Weight: 728.69
  • Molecular Formula: C12H15Br6N3O3

Tris(2-ethylhexyl) phosphate (78-42-2)

  • CAS Number: 78-42-2
  • Molecular Weight: 434.63
  • Molecular Formula: C24H51O4P

2,3,4,5,6-Pentabromobenzyl alcohol (79415-41-1)

  • CAS Number: 79415-41-1
  • Molecular Weight: 502.62
  • Molecular Formula: C7H3Br5O

1,2-Bis(pentabromophenyl) ethane (84852-53-9)

  • CAS Number: 84852-53-9
  • Molecular Weight: 971.22
  • Molecular Formula: C14H4Br10

Hexabromobenzene (87-82-1)

  • CAS Number: 87-82-1
  • Molecular Weight: 551.49
  • Molecular Formula: C6Br6

Diisodecyl 4-Cyclohexene-1,2-dicarboxylate (87826-26-4)

  • CAS Number: 87826-26-4
  • Molecular Weight: 450.7
  • Molecular Formula: C28H50O4

pentabromotoluene (87-83-2)

  • CAS Number: 87-83-2
  • Molecular Weight: 486.6207
  • Molecular Formula: C7H3Br5


Polymer materials have attracted much attention in many fields due to their excellent properties. However, most polymer materials are flammable and flammable, which limits their applications. In order to reduce the flammability of polymer materials and meet the safety needs of people's daily life, flame retardants have been widely studied and applied.

Flame Retardant

Flame retardants are additives used to improve the fire resistance of materials, prevent them from igniting and inhibit the spread of flames. After the flame retardant material is processed, when it is attacked by an external fire source, it can effectively prevent and delay the spread of the flame, thereby achieving a protective effect. However, traditional small molecule flame retardants have disadvantages such as poor durability and easy surface migration.[1] Polymer flame retardants have the characteristics of large molecular weight, high melting point, can contain a variety of flame retardant functional groups, low solubility, water resistance, and surface migration resistance, which have been deeply studied.


  • Block Copolymer Flame Retardants

Block copolymer flame retardants contain active monomers such as acrylate, allyl alcohol, methacrylate, acrylamide, and propargyl alcohol. These active group monomers and flame retardant monomers containing olefin active groups can be prepared by free radical copolymerization of flame retardant elements in branched polymer flame retardants. Multifunctional polymer flame retardants prepared by olefin block copolymerization generally have good flexibility and can be applied to fabric flame retardancy.

  • Phosphopolysiloxane Multifunctional Flame Retardant

Polysiloxane materials have functions such as high temperature resistance, flame retardancy, and waterproof. Introducing polysiloxanes into molecules can endow materials with multiple functions. Chen et al. synthesized iodobutyl-co-n-methoxy-3-propionamide polysiloxane (IBNMPDMS) by introducing phosphorus and nitrogen-containing flame retardant groups on polysiloxane, and used it for cotton fabric finishing.[2] The flame-retardant cotton fabric has good water repellency, and the limiting oxygen index (LOI) value is increased to 28.5%.


Currenlty, polymer flame retardants have been widely used in textile industry, transportation, furniture, building materials and other fields. Among them, the flame retardancy of polyamide is relatively difficult, so it has been studied by many scholars. Zhou et al. synthesized prepolymer (PA66) with adipic acid and hexamethylenediamine, and synthesized flame retardant monomer (PNS) with phosphorus pentoxide and thiourea (TU).[3] PNS is condensed with prepolymer PA66 to form flame-retardant PA66-PNs containing amide segments, which can form eutectics with nylon fibers and improve the flame-retardant and washable properties of fabrics. In addition, phosphazene flame retardants have excellent flame retardant properties, and the introduction of active groups can combine with fibers to improve flame retardant durability, which is very in line with the current development trend of textile flame retardants.


  1. Liu, J. et al. Multifunctional flame-retarded and hydrophobic cotton fabrics modified with a cyclic phosphorus/polysiloxane copolymer. Cellulose. 2020, 27(6): 3531-49.
  2. Chen, C. et al. Preparation and Application Properties of Cyclic Polysiloxane Flame Retardant Containing Phosphorus and Nitrogen for Cotton Fabrics. Aatcc Journal Of Research. 2021, 8(3): 33-9.
  3. Zhou, X. et al. Synthesis and. Application of a Polyamide-containing Phosphorous and Sulfur Flame-retardant for Nylon Fabric. Polymer-Korea. 2018, 42(2): 157-66.

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