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PVC (polyvinyl chloride) flame retardant
2017-11-10 15:34:55
PVC (polyvinyl chloride) flame retardant
PVC flame retardant is mainly adding PVC (polyvinyl chloride) flame retardant. This method has been widely used because of its simple process, many kinds of PVC (PVC) flame retardants, low cost and so on. The synergistic use of flame retardant and smoke suppressant can improve the flame retardancy and smoke suppression.
Halogen containing polymer flame retardant for PVC (polyvinyl chloride) flame retardant. Chlorinated polyethylene (CPE), polyvinyl chloride (CPVC) as the chlorine content is high, but not in the combustion of degradation of unsaturated olefin, therefore do not produce too much harmful fumes, and favored by people. In 1990s, patents were reported to increase the flame retardancy of PVC by replacing it with a small amount of PVC.
In the literature mainly include PVC, CPE or CPVC, stabilizer, molybdenum retardunt and ATH and various kinds of plasticizers (including a brominated aromatic ester plasticizer, lubricant). Using 10~30 copies of CPE or CPVC instead of PVC, the oxygen index increased by 2~5, and the amount of smoke also decreased according to the formula.
In addition, chloroprene rubber can be added, or other inorganic fillers treated with neoprene latex. Wang Qingguo, [22] et al. Reported several new, low-cost flame retardant fillers, and modified flame retardant fillers made of clay treated by nano composite method. The flame retardant effect of PVC filled with halogen free flame retardant filled with clay directly treated with chloroprene rubber emulsion is obviously higher than that of PVC filled with ATH.
Melamine halides of antimony and bismuth in PVC (polyvinyl chloride) flame retardant. The melamine compounds of bismuth or antimony halides, their flame retardancy is more effective than the corresponding metal halide oxidation synergistic system. This is mainly due to the role of metal halides produced in combustion in condensed phase and gas phase. In addition, the melamine, ammonia and ammonium halide produced during the degradation also played a certain role in flame retardancy.
PVC (polyvinyl chloride) flame retardant zinc sulfide (ZnS) flame retardant. Although Sb2O3 is still one of the most effective flame retardants in soft PVC, because of its various defects, people began to find its alternatives. In recent years, ZnS has been considered as a flame retardant for PVC, especially with Sb2O3, instead of partial Sb2O3.
B.Schartel et al. Compared the effects of ZnS and Sb2O3 alone and their synergistic use on PVC. It was found that the residue after combustion of ZnS and Sb2O3 was more than that of the sample added alone. In addition, the THR and PHHR of the sample are also the best for synergistic use.
It can be seen that ZnS and Sb2O3 have good synergistic effect. When adding moderate amount of ZnS alone, the flame retardancy of the sample is very limited due to the dilution effect. It was also found that the synergistic combination had a certain smoke suppression effect, and the total amount of smoke released from the sample was still the lowest when the ZnS and Sb2O3 were used together.
Intumescent flame retardant containing silicate material. The intumescent temperature of most intumescent flame retardant powders is between 120~140 degrees centigrade, which greatly limits the use of this flame retardant in thermoplastic materials. In July 2002, D.T.Nguyen reported a swelling temperature between 195 ~ 220 DEG C new intumescent flame retardant powder can meet the melting temperature of plastic material in 195 degrees Celsius heat use.
Tris(2-chloroethyl)phosphate(TCEP)
Product Name: Trichloroethyl Phosphate Flame Retardant Plasticizer; Tris (β-Chloroethyl) Phosphate; Bis (2-Chloroethyl) Phosphate With 2-Chloroethyl Phosphate; Tris (β-Chloroethyl) Phosphoric Acid Ester; Tris (2-Chloroethyl) Phosphate; TCEP; Trichloroethyl Phosphate
CAS RN: 115-96-8
EINECS Number: 204-118-5
Molecular Formula: C6H12Cl3O4P
Molecular Weight: 285.4898
Tris(2-chloroethyl)phosphate(TCEP)Use:
1. Tris (2-Chloroethyl) Phosphate Has Excellent Flame Retardancy, Excellent Resistance To Low Temperature And UV Resistance, The Steam Can Only Be Used At 225 ℃ Above The Direct Ignition Can Be Fired, But The Fire The Source Is Immediately Self-Extinguishing. This Product Is A Flame Retardant Not Only Can Improve The Material Level Of Flame Retardant Materials, But Also Improve The Flame Resistance Of Water Resistance, Acid Resistance, Cold Resistance And Antistatic Properties. Commonly Used In Flame Retardant Nitrocellulose And Acetate Fiber As The Substrate Of Paint Coatings, Unsaturated Polyester, Polyurethane, Acrylic, Phenolic Resin, Can Also Be Used For Soft PVC Plastic Flame Retardant. This Product Is Used For The Amount Of Unsaturated Polyester 10% To 20%, In The Polyurethane Rigid Foam (Flame Retardant Polyether As Raw Material) Can Be About 10% In The Soft PVC Used As Auxiliary Plastic Flame Retardant When The 5% To 10%. Flame Retardants, Uranium, Thorium, Plutonium, Technetium And Other Rare Metal Separation Solvent Or Extractant.
2. This Product Is Widely Used In Chemical Fiber Fabrics, Cellulose Acetate As A Flame Retardant, In Addition To Self-Extinguishing, But Also Improve Water Resistance, Cold Resistance And Antistatic Properties. The General Amount Of 5 To 10 Copies. This Product Is An Excellent Flame Retardant For Synthetic Materials, And Has A Good Role In The Promotion, Widely Used In Cellulose Acetate, Nitrocellulose Varnish, Ethyl Cellulose, Polyvinyl Chloride, Polyvinyl Acetate, Polyurethane, Phenolic Resin , In Addition To Self-Extinguishing Products, But Also Improve The Physical Properties Of Products, Products Feel Soft, Also Known As Oil Additives And Rare Elements Of The Extractant, And Flame Retardant Rubber Conveyor Belt Is The Main Flame Retardant Materials , The General Amount Of Added 5% To 10%.
3. Used As Additive Type Halogenated Phosphate Flame Retardant And Plasticizer. Molecules In Both Phosphorus And Chlorine, Flame Retardant Effect Is Remarkable, Not Volatile And Hydrolysis, Good Stability To Ultraviolet Light. Applicable To Phenolic Resin, Polyvinyl Chloride, Polyvinyl Acetate, Polyurethane And So On. Also Used As Nitrocellulose Coating Flame Retardant, PVC Flame Retardant Plasticizer, Metal Extractant, Gasoline Additives And Polyimide Processing Aids And So On. Can Improve Water Resistance, Weatherability, Cold Resistance, Antistatic Property. Reference Dosage 5% To 20%.
This expansion type powder containing alkaline silicate containing lithium oxide, which is a mixture of alkaline silicate powder containing Li, Na, K, Portland, it is this component makes the intumescent powder can be used in such a high temperature, without advance expansion. When the PVC is heated to the combustion temperature, due to the expansion, it can not fully burn and become carbon, thus improving the flame retardancy of the material.
Low melting point sulfate. Some people use a low melting point glass and ceramic sulfate as flame retardant and smoke suppressant, and achieved good results, but the flame retardant mechanism of the lack of strong evidence. Someone wrote by oxygen index, differential thermal analysis (DTA), thermogravimetric analysis (TG), smoke density and scanning electron microscopy (SEM) methods showed that sulfate glassy material is mainly through the low melting point in the pyrolysis process to protect carbon membrane formation, so as to achieve the purpose of flame retardant and smoke.
Aluminium oxalate (BAO) flame retardant. BAO is a crystalline derivative derived from ATH, with low alkali content. BAO containing polymer combustion, H2O release, CO and CO2, without the formation of corrosive gases, emissions of toxic products are not more than wood burning, BAO can reduce the smoke density and speed of smoke. BAO can be used for flame retardant engineering plastics processing temperature of 330 degrees Celsius, and can give a polyolefin, polyester, nylon, PVC, ABS and PS blend UL94V-0 rigid flame retardant. Because the alkali content of BAO is very low, it can be used as flame retardant wire, cable cladding material and insulating material, and it does not affect the electrical properties of the material.
In twenty-first Century, the performance requirements of flame retardant materials and products are getting higher and higher. Flame retardant, low smoke, low toxicity, positive direction, and the amount is not caused by excessive processing technology of the polymer, is not caused by excessive deterioration of the electrical and mechanical properties of the substrate. Halogen free or low halogen flame retardant system is increasingly favored by users. Therefore, it is necessary to carry out the research of halogen free or halogen free flame retardants with excellent properties.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
PVC flame retardant is mainly adding PVC (polyvinyl chloride) flame retardant. This method has been widely used because of its simple process, many kinds of PVC (PVC) flame retardants, low cost and so on. The synergistic use of flame retardant and smoke suppressant can improve the flame retardancy and smoke suppression.
Halogen containing polymer flame retardant for PVC (polyvinyl chloride) flame retardant. Chlorinated polyethylene (CPE), polyvinyl chloride (CPVC) as the chlorine content is high, but not in the combustion of degradation of unsaturated olefin, therefore do not produce too much harmful fumes, and favored by people. In 1990s, patents were reported to increase the flame retardancy of PVC by replacing it with a small amount of PVC.
In the literature mainly include PVC, CPE or CPVC, stabilizer, molybdenum retardunt and ATH and various kinds of plasticizers (including a brominated aromatic ester plasticizer, lubricant). Using 10~30 copies of CPE or CPVC instead of PVC, the oxygen index increased by 2~5, and the amount of smoke also decreased according to the formula.
In addition, chloroprene rubber can be added, or other inorganic fillers treated with neoprene latex. Wang Qingguo, [22] et al. Reported several new, low-cost flame retardant fillers, and modified flame retardant fillers made of clay treated by nano composite method. The flame retardant effect of PVC filled with halogen free flame retardant filled with clay directly treated with chloroprene rubber emulsion is obviously higher than that of PVC filled with ATH.
Melamine halides of antimony and bismuth in PVC (polyvinyl chloride) flame retardant. The melamine compounds of bismuth or antimony halides, their flame retardancy is more effective than the corresponding metal halide oxidation synergistic system. This is mainly due to the role of metal halides produced in combustion in condensed phase and gas phase. In addition, the melamine, ammonia and ammonium halide produced during the degradation also played a certain role in flame retardancy.
PVC (polyvinyl chloride) flame retardant zinc sulfide (ZnS) flame retardant. Although Sb2O3 is still one of the most effective flame retardants in soft PVC, because of its various defects, people began to find its alternatives. In recent years, ZnS has been considered as a flame retardant for PVC, especially with Sb2O3, instead of partial Sb2O3.
B.Schartel et al. Compared the effects of ZnS and Sb2O3 alone and their synergistic use on PVC. It was found that the residue after combustion of ZnS and Sb2O3 was more than that of the sample added alone. In addition, the THR and PHHR of the sample are also the best for synergistic use.
It can be seen that ZnS and Sb2O3 have good synergistic effect. When adding moderate amount of ZnS alone, the flame retardancy of the sample is very limited due to the dilution effect. It was also found that the synergistic combination had a certain smoke suppression effect, and the total amount of smoke released from the sample was still the lowest when the ZnS and Sb2O3 were used together.
Intumescent flame retardant containing silicate material. The intumescent temperature of most intumescent flame retardant powders is between 120~140 degrees centigrade, which greatly limits the use of this flame retardant in thermoplastic materials. In July 2002, D.T.Nguyen reported a swelling temperature between 195 ~ 220 DEG C new intumescent flame retardant powder can meet the melting temperature of plastic material in 195 degrees Celsius heat use.
Tris(2-chloroethyl)phosphate(TCEP)
Product Name: Trichloroethyl Phosphate Flame Retardant Plasticizer; Tris (β-Chloroethyl) Phosphate; Bis (2-Chloroethyl) Phosphate With 2-Chloroethyl Phosphate; Tris (β-Chloroethyl) Phosphoric Acid Ester; Tris (2-Chloroethyl) Phosphate; TCEP; Trichloroethyl Phosphate
CAS RN: 115-96-8
EINECS Number: 204-118-5
Molecular Formula: C6H12Cl3O4P
Molecular Weight: 285.4898
Tris(2-chloroethyl)phosphate(TCEP)Use:
1. Tris (2-Chloroethyl) Phosphate Has Excellent Flame Retardancy, Excellent Resistance To Low Temperature And UV Resistance, The Steam Can Only Be Used At 225 ℃ Above The Direct Ignition Can Be Fired, But The Fire The Source Is Immediately Self-Extinguishing. This Product Is A Flame Retardant Not Only Can Improve The Material Level Of Flame Retardant Materials, But Also Improve The Flame Resistance Of Water Resistance, Acid Resistance, Cold Resistance And Antistatic Properties. Commonly Used In Flame Retardant Nitrocellulose And Acetate Fiber As The Substrate Of Paint Coatings, Unsaturated Polyester, Polyurethane, Acrylic, Phenolic Resin, Can Also Be Used For Soft PVC Plastic Flame Retardant. This Product Is Used For The Amount Of Unsaturated Polyester 10% To 20%, In The Polyurethane Rigid Foam (Flame Retardant Polyether As Raw Material) Can Be About 10% In The Soft PVC Used As Auxiliary Plastic Flame Retardant When The 5% To 10%. Flame Retardants, Uranium, Thorium, Plutonium, Technetium And Other Rare Metal Separation Solvent Or Extractant.
2. This Product Is Widely Used In Chemical Fiber Fabrics, Cellulose Acetate As A Flame Retardant, In Addition To Self-Extinguishing, But Also Improve Water Resistance, Cold Resistance And Antistatic Properties. The General Amount Of 5 To 10 Copies. This Product Is An Excellent Flame Retardant For Synthetic Materials, And Has A Good Role In The Promotion, Widely Used In Cellulose Acetate, Nitrocellulose Varnish, Ethyl Cellulose, Polyvinyl Chloride, Polyvinyl Acetate, Polyurethane, Phenolic Resin , In Addition To Self-Extinguishing Products, But Also Improve The Physical Properties Of Products, Products Feel Soft, Also Known As Oil Additives And Rare Elements Of The Extractant, And Flame Retardant Rubber Conveyor Belt Is The Main Flame Retardant Materials , The General Amount Of Added 5% To 10%.
3. Used As Additive Type Halogenated Phosphate Flame Retardant And Plasticizer. Molecules In Both Phosphorus And Chlorine, Flame Retardant Effect Is Remarkable, Not Volatile And Hydrolysis, Good Stability To Ultraviolet Light. Applicable To Phenolic Resin, Polyvinyl Chloride, Polyvinyl Acetate, Polyurethane And So On. Also Used As Nitrocellulose Coating Flame Retardant, PVC Flame Retardant Plasticizer, Metal Extractant, Gasoline Additives And Polyimide Processing Aids And So On. Can Improve Water Resistance, Weatherability, Cold Resistance, Antistatic Property. Reference Dosage 5% To 20%.
This expansion type powder containing alkaline silicate containing lithium oxide, which is a mixture of alkaline silicate powder containing Li, Na, K, Portland, it is this component makes the intumescent powder can be used in such a high temperature, without advance expansion. When the PVC is heated to the combustion temperature, due to the expansion, it can not fully burn and become carbon, thus improving the flame retardancy of the material.
Low melting point sulfate. Some people use a low melting point glass and ceramic sulfate as flame retardant and smoke suppressant, and achieved good results, but the flame retardant mechanism of the lack of strong evidence. Someone wrote by oxygen index, differential thermal analysis (DTA), thermogravimetric analysis (TG), smoke density and scanning electron microscopy (SEM) methods showed that sulfate glassy material is mainly through the low melting point in the pyrolysis process to protect carbon membrane formation, so as to achieve the purpose of flame retardant and smoke.
Aluminium oxalate (BAO) flame retardant. BAO is a crystalline derivative derived from ATH, with low alkali content. BAO containing polymer combustion, H2O release, CO and CO2, without the formation of corrosive gases, emissions of toxic products are not more than wood burning, BAO can reduce the smoke density and speed of smoke. BAO can be used for flame retardant engineering plastics processing temperature of 330 degrees Celsius, and can give a polyolefin, polyester, nylon, PVC, ABS and PS blend UL94V-0 rigid flame retardant. Because the alkali content of BAO is very low, it can be used as flame retardant wire, cable cladding material and insulating material, and it does not affect the electrical properties of the material.
In twenty-first Century, the performance requirements of flame retardant materials and products are getting higher and higher. Flame retardant, low smoke, low toxicity, positive direction, and the amount is not caused by excessive processing technology of the polymer, is not caused by excessive deterioration of the electrical and mechanical properties of the substrate. Halogen free or low halogen flame retardant system is increasingly favored by users. Therefore, it is necessary to carry out the research of halogen free or halogen free flame retardants with excellent properties.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
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