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Flame retardant of the flame retardant of silicon flame retardant
2017-9-30 11:50:32
Flame retardant of the flame retardant of silicon flame retardant
The silicon flame retardant has attracted attention due to its harmful effects. Silicon flame retardant is divided into two categories: inorganic silicon and organic silicon flame retardant according to the composition structure.
The former is mainly SiO2, which has both reinforcing and flame-retardant effects. The flame retardant mechanism is: when the plastic is burnt, the SiO2 cover is formed, which ACTS as an adiabatic and shielding double action. SiO2 is rarely used alone, often with halide. The organic silicone flame retardant is a new type of halogen - free flame retardant and is also a carbon - type anti-smoking agent.
It as a kind of macromolecule flame retardant, highly effective, non-toxic, low smoke, dripping, non-polluting etc, especially for itself is a polymer material, so little impact on the performance of the products.
Silicone flame retardant mechanism of flame retardant is: when plastic combustion molecules of the organic silicon Si - Si - C keys O bonds form, the generated white residue combustion and carbide composite inorganic layer, can prevent the combustion of volatiles escape, cut off oxygen in contact with the resin, prevent melt dripping, so as to achieve the purpose of the flame retardant.
Provide organic silicone flame retardants on the market at present basically has the United States GE company's SFR - 100, it is a kind of transparent and viscous silicone polymer, can with a variety of agent (stearic acid salt, amine mixture with pentaerythritol phosphate, aluminum hydroxide, etc.) and, have been used for flame retardant polyolefin, low dosage can meet the requirements of general flame retardant, high dosage can give base material excellent flame retardancy and smoke suppression, cause the flame retardant material can be used in strict fire and flame retardant system cannot apply before, its main for polyolefin has excellent flame retardant effect, at the same time improve the processing performance and mechanical properties of the resin, gives its special excellent flame retardancy and smoke suppression, not suitable for ordinary flame retardant system.
With the increasing demand of environmental protection, the flame retardants of silicon and the compounds based on silicon flame retardants will be one of the main development trends of the future halogen-free flame retardants.
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP)
Appearance: Colorless Viscous Liquid
Melting Point: -64 ℃
Boiling Point: 315 ℃
Density: 1.512
Flash Point: 249 ℃
Refractive Index: N20 / D 1.503
Specific Gravity 1.490-1.510
Chlorine Content Of 49.5% ± 0.5
Color Value Max 100
Water Content 0.10% Max
Viscosity (25 ° C) 1500-1800 CPS
Acidity (Mg KOH / G 0.10 Max
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP) Use:
The Product Has A High Efficiency Flame Retardant, Low Volatility, High Thermal Stability, Water Resistance, Alkali Stable And Soluble In Most Organic Substances, Processing Performance, With Plastic, Moisture, Anti-Static, Anti-Pull, Anti-Compression Performance. Widely Used In Unsaturated Polyester, Polyurethane Foam, Epoxy Resin, Phenolic Resin, Rubber, Soft Polyvinyl Chloride, Synthetic Fibers And Other Plastics And Coatings At High Temperature Pyrolysis, Can Be Used As Emulsifier And Explosion-Proof Agent
The phosphor flame retardant has an important position in halogen-free flame retardants, which can be divided into inorganic phosphorus and organic phosphorus flame retardant according to its composition and structure. The former is mainly red phosphorus and ammonium polyphosphate, which are mainly phosphates and phosphonates.
Red phosphorus is a kind of high performance inorganic phosphorus flame retardant, flame retardant effect of high efficiency, smoke suppression and low toxic, but easy absorption of moisture, oxidation, and emit poisonous gas and dust explosion easily, so that its application is limited by a lot of. Aluminum hydroxide, metal sulfate and synthetic resin were used as the capsule wall materials, and the microencapsulation surface treatment of red phosphorus was used to improve its performance.
The future direction for the red phosphorus surface treatment: one is through the capsule material of cyst were modified, make it at the same time both the thermal stability, plasticizing and flame retardant, and other functions, development of multifunctional microscopic capsule red phosphorus flame retardants; The second is to study the effective complex relationship between various flame retardants and red phosphorus flame retardants, and make microencapsulation, increase the flame retardant effect and improve the mechanical properties of materials. Third, red phosphorus has the effect of anti-smoking, and can be used to find the suitable anti-smoking agent to rematch and promote the development of anti-smoking technology, because it is more important to control the smoke than fire in the fire. Ammonium polyphosphate (APP) is also a good inorganic phosphorus flame retardant, which is an active research field of phosphorus flame retardant.
APP p-n flame retardant, high content of good thermal stability, product close to neutral, and cheap, low toxicity, flame retardant performance persistence, can alone or with other flame retardants composite flame retardant used in plastics.
At high temperature, the APP quickly decomposes into ammonia and polyphosphate, which can dilute the oxygen concentration in the gas phase, thus preventing the combustion. In addition, polyphosphoric acid is a strong dehydrating agent, which can make the polymer dehydrate carbonization to form a carbon layer and isolate the contact between the polymer and oxygen, and prevent the burning from the solid phase. Organic phosphorus flame retardants is one of the most important varieties of flame retardant, flame retardant and plasticizing effect, can make no halogenated flame retardant fully, improve the flow performance of plastic molding, inhibit the residue after burning, the toxic gas and corrosive gas less than halogen flame retardants.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
The silicon flame retardant has attracted attention due to its harmful effects. Silicon flame retardant is divided into two categories: inorganic silicon and organic silicon flame retardant according to the composition structure.
The former is mainly SiO2, which has both reinforcing and flame-retardant effects. The flame retardant mechanism is: when the plastic is burnt, the SiO2 cover is formed, which ACTS as an adiabatic and shielding double action. SiO2 is rarely used alone, often with halide. The organic silicone flame retardant is a new type of halogen - free flame retardant and is also a carbon - type anti-smoking agent.
It as a kind of macromolecule flame retardant, highly effective, non-toxic, low smoke, dripping, non-polluting etc, especially for itself is a polymer material, so little impact on the performance of the products.
Silicone flame retardant mechanism of flame retardant is: when plastic combustion molecules of the organic silicon Si - Si - C keys O bonds form, the generated white residue combustion and carbide composite inorganic layer, can prevent the combustion of volatiles escape, cut off oxygen in contact with the resin, prevent melt dripping, so as to achieve the purpose of the flame retardant.
Provide organic silicone flame retardants on the market at present basically has the United States GE company's SFR - 100, it is a kind of transparent and viscous silicone polymer, can with a variety of agent (stearic acid salt, amine mixture with pentaerythritol phosphate, aluminum hydroxide, etc.) and, have been used for flame retardant polyolefin, low dosage can meet the requirements of general flame retardant, high dosage can give base material excellent flame retardancy and smoke suppression, cause the flame retardant material can be used in strict fire and flame retardant system cannot apply before, its main for polyolefin has excellent flame retardant effect, at the same time improve the processing performance and mechanical properties of the resin, gives its special excellent flame retardancy and smoke suppression, not suitable for ordinary flame retardant system.
With the increasing demand of environmental protection, the flame retardants of silicon and the compounds based on silicon flame retardants will be one of the main development trends of the future halogen-free flame retardants.
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP)
Appearance: Colorless Viscous Liquid
Melting Point: -64 ℃
Boiling Point: 315 ℃
Density: 1.512
Flash Point: 249 ℃
Refractive Index: N20 / D 1.503
Specific Gravity 1.490-1.510
Chlorine Content Of 49.5% ± 0.5
Color Value Max 100
Water Content 0.10% Max
Viscosity (25 ° C) 1500-1800 CPS
Acidity (Mg KOH / G 0.10 Max
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP) Use:
The Product Has A High Efficiency Flame Retardant, Low Volatility, High Thermal Stability, Water Resistance, Alkali Stable And Soluble In Most Organic Substances, Processing Performance, With Plastic, Moisture, Anti-Static, Anti-Pull, Anti-Compression Performance. Widely Used In Unsaturated Polyester, Polyurethane Foam, Epoxy Resin, Phenolic Resin, Rubber, Soft Polyvinyl Chloride, Synthetic Fibers And Other Plastics And Coatings At High Temperature Pyrolysis, Can Be Used As Emulsifier And Explosion-Proof Agent
The phosphor flame retardant has an important position in halogen-free flame retardants, which can be divided into inorganic phosphorus and organic phosphorus flame retardant according to its composition and structure. The former is mainly red phosphorus and ammonium polyphosphate, which are mainly phosphates and phosphonates.
Red phosphorus is a kind of high performance inorganic phosphorus flame retardant, flame retardant effect of high efficiency, smoke suppression and low toxic, but easy absorption of moisture, oxidation, and emit poisonous gas and dust explosion easily, so that its application is limited by a lot of. Aluminum hydroxide, metal sulfate and synthetic resin were used as the capsule wall materials, and the microencapsulation surface treatment of red phosphorus was used to improve its performance.
The future direction for the red phosphorus surface treatment: one is through the capsule material of cyst were modified, make it at the same time both the thermal stability, plasticizing and flame retardant, and other functions, development of multifunctional microscopic capsule red phosphorus flame retardants; The second is to study the effective complex relationship between various flame retardants and red phosphorus flame retardants, and make microencapsulation, increase the flame retardant effect and improve the mechanical properties of materials. Third, red phosphorus has the effect of anti-smoking, and can be used to find the suitable anti-smoking agent to rematch and promote the development of anti-smoking technology, because it is more important to control the smoke than fire in the fire. Ammonium polyphosphate (APP) is also a good inorganic phosphorus flame retardant, which is an active research field of phosphorus flame retardant.
APP p-n flame retardant, high content of good thermal stability, product close to neutral, and cheap, low toxicity, flame retardant performance persistence, can alone or with other flame retardants composite flame retardant used in plastics.
At high temperature, the APP quickly decomposes into ammonia and polyphosphate, which can dilute the oxygen concentration in the gas phase, thus preventing the combustion. In addition, polyphosphoric acid is a strong dehydrating agent, which can make the polymer dehydrate carbonization to form a carbon layer and isolate the contact between the polymer and oxygen, and prevent the burning from the solid phase. Organic phosphorus flame retardants is one of the most important varieties of flame retardant, flame retardant and plasticizing effect, can make no halogenated flame retardant fully, improve the flow performance of plastic molding, inhibit the residue after burning, the toxic gas and corrosive gas less than halogen flame retardants.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
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