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Mixed intumescent flame retardant for Polypropylene
2017-11-25 11:09:25
Mixed intumescent flame retardant for Polypropylene
Because of its high crystallinity and neat structure, polypropylene has excellent mechanical properties. The absolute value of mechanical properties of polypropylene is higher than that of polyethylene, but it still belongs to a low variety in plastic material, and its tensile strength can only reach 30 MPa or slightly higher level. The polypropylene with equal isotactic index has higher tensile strength, but with the increase of the isotactic index, the impact strength of the polypropylene decreases, but it does not change until a certain value.
The mixed intumescent flame retardant for polypropylene is mainly composed of phosphorus and nitrogen, without halogen or antimony oxide. The polymers containing this kind of flame retardant can produce a uniform carbon foam layer on the surface when heated, which has the function of heat insulation, oxygen separation and smoke suppression, and prevents droplet formation.
The mixed intumescent flame retardant for polypropylene meets the requirements of today's flame retardant, which has less smoke and lower toxicity. It is considered as one of the promising ways to realize halogen-free flame retardants. Intumescent flame retardant with mixed expansion and single component expansion.
A mixture of intumescent flame retardants for polypropylene is a mixture of individual acid sources (such as phosphates or phosphates), carbon sources (e.g. polyols) and gas sources (such as nitrogen compounds). The phosphorus and nitrogen as the active component, no halogen and antimony oxide, combustion mainly in the condensed phase, can generate coke layer, protect the underlying matrix does not continue to burn and produce droplets, can also inhibit the generation of smoke, does not produce toxic or corrosive gases, with thermal stability and processing excellent performance. It is suitable for flame retardant PE and PP. When the dosage is 25% ~ 30%, the oxygen index of flame retardant material can reach 30, and the flame retardant grade can reach UL94V0 grade.
Intumescent flame retardant based on ammonium polyphosphate is a hot research topic at present. Liao Kairong will be modified with melamine APP, melamine secondary amine (MPPA) and pentaerythritol was studied flame retardant effect on polypropylene. If PA6 is added into MPPA, the flame retardant effect can be obviously improved. PA6 plays a major role in the formation of carbon agent. In addition, in terms of poly (2, 4 toluene two has two urea) (PHU), poly (2, 4, toluene two B two urea) (PEU) and two benzoyl hexamethylene diamine (DBH), two benzoyl ethylenediamine (DBE) as synergistic agent, respectively, and MPPA compound as intumescent flame retardant (IFR), they all have significant effects on improving flame retardancy of polypropylene, the total effect is PHU>DBE>PEU>DBH.
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP)
Product Name: Tris (1,3-Dichloro-2-Propyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; (1,3-Dichloro-2-Propyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; Tris (1,3-Dichloroisopropyl) Tris (1,3-Dichloro-2-Propyl) Phosphate (TDCPP); TCPP Tris (2-Chloropropyl) Phosphate, Flame Retardant TDCPP
1,3-Dichloro-2-Propanolphosphate (3: 1); 1,3-Dichloro-2-Propanolophosphate (3: 1) 2-Propanol, 1,3-Dichloro, Phosphate (3: 1); 2-Propanol, 1,3-Dichloro-, Phosphate (3: 1) ); Crp (Fireproofingagent); Emulsion 212
CAS No.:13674-87-8
EINECS Number: 237-159-2
Molecular Formula: C9H15Cl6O4P
Molecular Weight: 430.9
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.
At present, there are less commercial varieties of mono component intumescent flame retardants at home and abroad. As a single component intumescent flame retardant, the study of phosphorus oligomer has attracted great interest. It has good stability, low smoke content and high LOI, and plays an important role in aviation, aerospace, shipbuilding, petroleum exploitation and petrochemical industry. One component intumescent flame retardant CN329 containing nitrogen and phosphorus is synthesized from pentaerythritol, three oxychloride and melamine. CN329 is suitable for PP (polypropylene), and has good stability and no migration at PP processing temperature. The flame retardant PP has low density and good electrical properties.
Li Qiaoling et al. Synthesized two new amyl glycol phenyl two amine bis phosphonate, is a single component intumescent flame retardant, halogen free atoms exist, good heat resistance, easy hydrolysis, high melting point, low moisture absorption, can be used for flame retardant polymers. Other single component intumescent flame retardants are three (New glycol phosphate P Ya Jiaji) amine (TNGPA), new glycol phosphate ester, melamine salt, etc..
The flame retardancy of 3 kinds of phosphorus containing flame retardant (pentaerythritol phosphate condensate, ammonium salt of pentaerythritol phosphate and diammonium phosphate) on box board was compared. The experiment found that when the three at the same amount of heat resistance and flame retardant effect of the size of the box board is: diammonium hydrogen phosphate, phosphoric acid and pentaerythritol condensates of ammonium phosphate, pentaerythritol condensate water; flame retardant effect size: phosphoric acid and pentaerythritol condensates, phosphoric acid and pentaerythritol condensates of ammonium salt, diammonium hydrogen phosphate.
Temperature and loading rate have a great influence on the toughness of polypropylene. When the temperature is higher than the glass transition temperature, the impact failure is ductile fracture, brittle fracture is lower than the glass transition temperature, and the impact strength value decreases greatly. With the increase of loading rate, the transition temperature of ductile fracture to brittle fracture increases. Polypropylene has excellent flexural fatigue resistance, and its products can be bent 106 times at room temperature without damage.
But at room temperature and low temperature, because of its high molecular structure regularity, the impact strength is poor. The most outstanding performance of polypropylene is bending fatigue resistance, commonly known as folding gum.
The polypropylene has good heat resistance, and the product can be sterilized at 100 or above, without deformation under the condition of external force at 150 degrees centigrade. The brittleness temperature is -35, and brittleness occurs when the temperature is lower than -35. The cold resistance is less than that of polyethylene. For polypropylene glass transition temperature values reported a 18qC, 0qC, 5 DEG C, this is because people with different samples, containing crystalline phase and amorphous phase of different proportion, so that the amorphous part caused by the different chain length of molecular chain. The melting temperature of polypropylene increased by 40 than 50% about approximately 164 polyethylene, 170 C, 100% isotactic polypropylene melting point of 176 DEG C.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
Because of its high crystallinity and neat structure, polypropylene has excellent mechanical properties. The absolute value of mechanical properties of polypropylene is higher than that of polyethylene, but it still belongs to a low variety in plastic material, and its tensile strength can only reach 30 MPa or slightly higher level. The polypropylene with equal isotactic index has higher tensile strength, but with the increase of the isotactic index, the impact strength of the polypropylene decreases, but it does not change until a certain value.
The mixed intumescent flame retardant for polypropylene is mainly composed of phosphorus and nitrogen, without halogen or antimony oxide. The polymers containing this kind of flame retardant can produce a uniform carbon foam layer on the surface when heated, which has the function of heat insulation, oxygen separation and smoke suppression, and prevents droplet formation.
The mixed intumescent flame retardant for polypropylene meets the requirements of today's flame retardant, which has less smoke and lower toxicity. It is considered as one of the promising ways to realize halogen-free flame retardants. Intumescent flame retardant with mixed expansion and single component expansion.
A mixture of intumescent flame retardants for polypropylene is a mixture of individual acid sources (such as phosphates or phosphates), carbon sources (e.g. polyols) and gas sources (such as nitrogen compounds). The phosphorus and nitrogen as the active component, no halogen and antimony oxide, combustion mainly in the condensed phase, can generate coke layer, protect the underlying matrix does not continue to burn and produce droplets, can also inhibit the generation of smoke, does not produce toxic or corrosive gases, with thermal stability and processing excellent performance. It is suitable for flame retardant PE and PP. When the dosage is 25% ~ 30%, the oxygen index of flame retardant material can reach 30, and the flame retardant grade can reach UL94V0 grade.
Intumescent flame retardant based on ammonium polyphosphate is a hot research topic at present. Liao Kairong will be modified with melamine APP, melamine secondary amine (MPPA) and pentaerythritol was studied flame retardant effect on polypropylene. If PA6 is added into MPPA, the flame retardant effect can be obviously improved. PA6 plays a major role in the formation of carbon agent. In addition, in terms of poly (2, 4 toluene two has two urea) (PHU), poly (2, 4, toluene two B two urea) (PEU) and two benzoyl hexamethylene diamine (DBH), two benzoyl ethylenediamine (DBE) as synergistic agent, respectively, and MPPA compound as intumescent flame retardant (IFR), they all have significant effects on improving flame retardancy of polypropylene, the total effect is PHU>DBE>PEU>DBH.
Tris (1,3-Dichloro-2-Propyl) Phosphate (Flame Retardant TDCPP)
Product Name: Tris (1,3-Dichloro-2-Propyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; (1,3-Dichloro-2-Propyl) Phosphate; Tris (1,3-Dichloroisopropyl) Phosphate; Tris (1,3-Dichloroisopropyl) Tris (1,3-Dichloro-2-Propyl) Phosphate (TDCPP); TCPP Tris (2-Chloropropyl) Phosphate, Flame Retardant TDCPP
1,3-Dichloro-2-Propanolphosphate (3: 1); 1,3-Dichloro-2-Propanolophosphate (3: 1) 2-Propanol, 1,3-Dichloro, Phosphate (3: 1); 2-Propanol, 1,3-Dichloro-, Phosphate (3: 1) ); Crp (Fireproofingagent); Emulsion 212
CAS No.:13674-87-8
EINECS Number: 237-159-2
Molecular Formula: C9H15Cl6O4P
Molecular Weight: 430.9
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.
At present, there are less commercial varieties of mono component intumescent flame retardants at home and abroad. As a single component intumescent flame retardant, the study of phosphorus oligomer has attracted great interest. It has good stability, low smoke content and high LOI, and plays an important role in aviation, aerospace, shipbuilding, petroleum exploitation and petrochemical industry. One component intumescent flame retardant CN329 containing nitrogen and phosphorus is synthesized from pentaerythritol, three oxychloride and melamine. CN329 is suitable for PP (polypropylene), and has good stability and no migration at PP processing temperature. The flame retardant PP has low density and good electrical properties.
Li Qiaoling et al. Synthesized two new amyl glycol phenyl two amine bis phosphonate, is a single component intumescent flame retardant, halogen free atoms exist, good heat resistance, easy hydrolysis, high melting point, low moisture absorption, can be used for flame retardant polymers. Other single component intumescent flame retardants are three (New glycol phosphate P Ya Jiaji) amine (TNGPA), new glycol phosphate ester, melamine salt, etc..
The flame retardancy of 3 kinds of phosphorus containing flame retardant (pentaerythritol phosphate condensate, ammonium salt of pentaerythritol phosphate and diammonium phosphate) on box board was compared. The experiment found that when the three at the same amount of heat resistance and flame retardant effect of the size of the box board is: diammonium hydrogen phosphate, phosphoric acid and pentaerythritol condensates of ammonium phosphate, pentaerythritol condensate water; flame retardant effect size: phosphoric acid and pentaerythritol condensates, phosphoric acid and pentaerythritol condensates of ammonium salt, diammonium hydrogen phosphate.
Temperature and loading rate have a great influence on the toughness of polypropylene. When the temperature is higher than the glass transition temperature, the impact failure is ductile fracture, brittle fracture is lower than the glass transition temperature, and the impact strength value decreases greatly. With the increase of loading rate, the transition temperature of ductile fracture to brittle fracture increases. Polypropylene has excellent flexural fatigue resistance, and its products can be bent 106 times at room temperature without damage.
But at room temperature and low temperature, because of its high molecular structure regularity, the impact strength is poor. The most outstanding performance of polypropylene is bending fatigue resistance, commonly known as folding gum.
The polypropylene has good heat resistance, and the product can be sterilized at 100 or above, without deformation under the condition of external force at 150 degrees centigrade. The brittleness temperature is -35, and brittleness occurs when the temperature is lower than -35. The cold resistance is less than that of polyethylene. For polypropylene glass transition temperature values reported a 18qC, 0qC, 5 DEG C, this is because people with different samples, containing crystalline phase and amorphous phase of different proportion, so that the amorphous part caused by the different chain length of molecular chain. The melting temperature of polypropylene increased by 40 than 50% about approximately 164 polyethylene, 170 C, 100% isotactic polypropylene melting point of 176 DEG C.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
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