4, Epoxy ester epoxy plasticizer is widely used in recent years, auxiliaries, it can not only absorb the polyvinyl chloride resin in the decomposition of hydrogen chloride, but also compatible with PVC resin, so it is increasing Plasticizers are also stabilizers. It is mainly used as a secondary plasticizer for polyvinyl chloride products with high weatherability. Its main varieties are epoxy soybean oil, epoxy fatty acid octyl ester and so on.
Epoxy soybean oil, soybean oil is a fatty acid compound mixture of glycerol, epoxy soybean oil is a yellow oily liquid, non-toxic, soluble in most organic solvents and hydrocarbons. Epoxy soybean oil is combined with a polyester plasticizer to prevent the latter from migrating out. Epoxy fatty acid butyl ester, due to different fatty acid composition, epoxy fatty acid butyl esters are butyl epoxy stearate, epoxy butyl phthalate, epoxy soybean butyl oleate, epoxy cotton butyl oleate. Epoxylate butyl phthalate, epoxy linoletate, butyl epoxy phthalate, epoxy linoleate and other varieties. Epoxy fatty acid octyl ester (abbreviated as ED3), due to different fatty acids, but has a variety of structural species, such as octyl epoxy stearate, epoxidized soybean octyl oleate, octyl oleate and so on. Epoxytetraoctyl phthalate (EPS) is a colorless to light yellow oily liquid.
5. Polyester and trimellitate polyester plasticizers generally have low plasticization efficiencies, high viscosity, poor processability and low temperature, but low volatility, low migration, oil and soap resistance. The water is drawn out, so it is a very good durable plasticizer. It is usually required to use with a phthalate main plasticizer. Polyesters are mostly used in automobiles, wire and cable, refrigerators and other long-term products. The main varieties are adipic acid, sebacic acid and other aliphatic dibasic acid and a diethylene glycol, propylene glycol, butylene glycol and other glycols from the condensation of low molecular weight polyester.
Trimellitic esters are a class of plasticizers with very good properties that combine the advantages of both monomeric and polymeric plasticizers. Low volatility, low migration, resistance to extraction and durability similar to polyester plasticizers; and compatibility, additivity and low temperature are similar to phthalates.
Polypropylene glycol sebacate, different molecular weight poly propylene glycol sebacate plasticizers are soluble in acetone, dichloroethane, ethyl ether, benzene, toluene, xylene, chloroform, partially soluble in ethanol, butanol and aliphatic hydrocarbons . Trioctyl trimellitate (referred to as TOTM) is a colorless to pale yellow viscous oily liquid. Trimellitic acid tri(n-octyl nonyl) ester (abbreviated as NODTM) is a colorless to light yellow oily liquid.
6, containing plasticizers.
The most widely used chlorine-containing plasticizer is chlorinated paraffin. Chlorinated paraffin wax is low in price, excellent in electrical properties, and flame-retardant, but has poor compatibility and poor thermal stability, and is only used as a secondary plasticizer.
Chlorinated paraffin, a golden or amber viscous liquid that is non-flammable and extremely volatile. Soluble in most organic solvents, insoluble in water and ethanol. Heating above 120°C will decompose spontaneously, releasing hydrogen chloride gas. Iron, zinc and other metal oxides will promote its decomposition. Chlorinated paraffin with a higher chlorine content also has better flame retardancy. Chlorohydrocarbon-50, which is a clear viscous fluid. Odorless, nontoxic, incombustible, insoluble in water, slightly soluble in alcohol, easily soluble in benzene and ether.
7. Alkylsulfonic acid vinegars These plasticizers have good compatibility and can be used as main plasticizers. It works better when used with a phthalate master plasticizer. Its mechanical properties, electrical properties and weather resistance are good, but its cold resistance is poor.
Phenyl petroleum sulfonate (abbreviated as M-50) is a light yellow transparent oily liquid. Chlorinated petroleum ester, a mixture of phenyl alkyl sulfonate and chlorinated paraffin, light yellow transparent oily liquid.
8. Polyol esters Polyol esters mainly consist of dipentaerythritol esters and ethylene glycol esters. Di-pentaerythritol esters have low volatility, good extraction resistance, difficulty in thermal decomposition and oxidation, and good electrical insulation properties. They are excellent heat-resistant plasticizers and are suitable for high-temperature wire insulation formulations, but they are expensive. The ethylene glycol esters, although very good in cold resistance, have a deeper color and greater volatility.
Dipentaerythritol ester (PCB), dipentaerythritol ester can be divided into ether type and ester type, both of which are light yellow viscous oily liquids, soluble in organic solvents and insoluble in water. 59 acid ethylene glycol ester (abbreviated as 0259), it is light yellow transparent liquid.
9, other camphor, crystals with special odors, very volatile, slightly soluble in water, soluble in most paint solvents. It is an excellent plasticizer for nitrocellulose and cellulose esters.
Third, the plasticizer in environmental protection ink Acetyl tri-n-butyl citrate, Chinese alias acetyl tributyl citrate, English name acetyl tributyl citrate, also known as ATBC, English alias tributyl ester; acetyl tri-n-butyl citrate . The CAS number is NO.77-90-7, and the molecular weight is C20H34O8 with a molecular weight of 402.48 (according to IUPAC's 1995 five-digit atomic weight). The properties of ATBC plasticizer are: colorless, odorless, oily liquid, boiling point 343°C (0.101 MPa), flash point (open cup) 204°C, freezing point -80°C, evaporation rate 0.000009g/cm2•h (105°C) , hydrolysis rate 0.1% (100 °C, 6 hours), soluble in most organic solvents, insoluble in water. It is compatible with polyvinyl chloride, polystyrene, vinyl chloride-vinyl acetate copolymer, nitrocellulose, polyvinyl butyral and other resins. It is partially compatible with cellulose acetate and cellulose acetate butyrate. This product is similar in cold resistance and lightfastness to tri-n-butyl citrate, but its water resistance is superior. Non-toxic, LD50=4000mg/kg.
The use of ATBC is: This product is a non-toxic plasticizer and can be used as a plasticizer for polyvinyl chloride, cellulose resin and synthetic rubber. For non-toxic PVC granulation, food packaging containers, children's toy products, medical products, films, plates, cellulose coatings and other products. It can also be used as a stabilizer for polyvinylidene chloride.
Acetyl tri-n-butyl citrate has been widely used in the foreign food packaging industry and is currently licensed in the United Kingdom, United States, Germany, France, the Netherlands, Italy, and Japan for food packaging materials. Acetyl tri-n-butyl citrate is mainly used for plasticizing polyvinyl chloride and vinyl chloride, vinylidene chloride copolymer (Saran resin). In addition to the large amount of PVC films used abroad for packaging of fresh meat and products, it is also used for packaging of sandwiches, cheese, bacon, chickens and ducks, ham, ham products, and fresh vegetables such as mushrooms. Polyvinyl chloride film has a large oxygen permeability, can maintain the red oxygen muscle blood globulin, so that meat preservation. Its surface is shiny and transparent, and the food inside the bag is visible at a glance. The water permeability is moderate, and the carbon dioxide gas permeability is high, which can reduce the dehydration of fresh vegetables and extend the shelf life of vegetables. In addition, it also has a good sealing performance, compared to polyethylene films, which have the disadvantage of being difficult to melt seal after packaging meat. Another main application of acetyl tri-n-butyl citrate is plasticized Saran resin. The biggest advantage of Saran film is good sealing performance, excellent moisture resistance and extremely low air permeability, it is resistant to strong acids, alkalis, oils and organics. Solvents. It is a tough film material between soft PVC and hard PVC in terms of mechanical properties. It has outstanding heat shrinkability, starts to shrink at 50-60°C, shrinks to 20%-50% at 100°C, and exhibits a maximum shrinkage stress of 13-15kg/cm3 at 80°C. It has a strong self-adhesive, high sealing strength at high frequency heat sealing. Therefore, it is an excellent food packaging material. In foreign countries, it has been widely used for packaging fish, sausage, ham, meat products, cheese, smoked products, tofu, cakes and other foods that require long-term preservation or high freshness. The main plasticizer for plastic films is Acetyl tri-n-butyl citrate.
In summary, acetyl tri-n-butyl citrate is a non-toxic plasticizer with excellent properties. It is widely used abroad in the pharmaceutical industry, medical device industry, food packaging and ink industry, in view of phthalates. (2-Ethylhexyl) ester poses a potential carcinogenic risk. It is recommended to promote the application of acetyl tri-n-butyl citrate in medicine, medical equipment, food packaging, and ink manufacturing.
Epoxy soybean oil, soybean oil is a fatty acid compound mixture of glycerol, epoxy soybean oil is a yellow oily liquid, non-toxic, soluble in most organic solvents and hydrocarbons. Epoxy soybean oil is combined with a polyester plasticizer to prevent the latter from migrating out. Epoxy fatty acid butyl ester, due to different fatty acid composition, epoxy fatty acid butyl esters are butyl epoxy stearate, epoxy butyl phthalate, epoxy soybean butyl oleate, epoxy cotton butyl oleate. Epoxylate butyl phthalate, epoxy linoletate, butyl epoxy phthalate, epoxy linoleate and other varieties. Epoxy fatty acid octyl ester (abbreviated as ED3), due to different fatty acids, but has a variety of structural species, such as octyl epoxy stearate, epoxidized soybean octyl oleate, octyl oleate and so on. Epoxytetraoctyl phthalate (EPS) is a colorless to light yellow oily liquid.
5. Polyester and trimellitate polyester plasticizers generally have low plasticization efficiencies, high viscosity, poor processability and low temperature, but low volatility, low migration, oil and soap resistance. The water is drawn out, so it is a very good durable plasticizer. It is usually required to use with a phthalate main plasticizer. Polyesters are mostly used in automobiles, wire and cable, refrigerators and other long-term products. The main varieties are adipic acid, sebacic acid and other aliphatic dibasic acid and a diethylene glycol, propylene glycol, butylene glycol and other glycols from the condensation of low molecular weight polyester.
Trimellitic esters are a class of plasticizers with very good properties that combine the advantages of both monomeric and polymeric plasticizers. Low volatility, low migration, resistance to extraction and durability similar to polyester plasticizers; and compatibility, additivity and low temperature are similar to phthalates.
Polypropylene glycol sebacate, different molecular weight poly propylene glycol sebacate plasticizers are soluble in acetone, dichloroethane, ethyl ether, benzene, toluene, xylene, chloroform, partially soluble in ethanol, butanol and aliphatic hydrocarbons . Trioctyl trimellitate (referred to as TOTM) is a colorless to pale yellow viscous oily liquid. Trimellitic acid tri(n-octyl nonyl) ester (abbreviated as NODTM) is a colorless to light yellow oily liquid.
6, containing plasticizers.
The most widely used chlorine-containing plasticizer is chlorinated paraffin. Chlorinated paraffin wax is low in price, excellent in electrical properties, and flame-retardant, but has poor compatibility and poor thermal stability, and is only used as a secondary plasticizer.
Chlorinated paraffin, a golden or amber viscous liquid that is non-flammable and extremely volatile. Soluble in most organic solvents, insoluble in water and ethanol. Heating above 120°C will decompose spontaneously, releasing hydrogen chloride gas. Iron, zinc and other metal oxides will promote its decomposition. Chlorinated paraffin with a higher chlorine content also has better flame retardancy. Chlorohydrocarbon-50, which is a clear viscous fluid. Odorless, nontoxic, incombustible, insoluble in water, slightly soluble in alcohol, easily soluble in benzene and ether.
7. Alkylsulfonic acid vinegars These plasticizers have good compatibility and can be used as main plasticizers. It works better when used with a phthalate master plasticizer. Its mechanical properties, electrical properties and weather resistance are good, but its cold resistance is poor.
Phenyl petroleum sulfonate (abbreviated as M-50) is a light yellow transparent oily liquid. Chlorinated petroleum ester, a mixture of phenyl alkyl sulfonate and chlorinated paraffin, light yellow transparent oily liquid.
8. Polyol esters Polyol esters mainly consist of dipentaerythritol esters and ethylene glycol esters. Di-pentaerythritol esters have low volatility, good extraction resistance, difficulty in thermal decomposition and oxidation, and good electrical insulation properties. They are excellent heat-resistant plasticizers and are suitable for high-temperature wire insulation formulations, but they are expensive. The ethylene glycol esters, although very good in cold resistance, have a deeper color and greater volatility.
Dipentaerythritol ester (PCB), dipentaerythritol ester can be divided into ether type and ester type, both of which are light yellow viscous oily liquids, soluble in organic solvents and insoluble in water. 59 acid ethylene glycol ester (abbreviated as 0259), it is light yellow transparent liquid.
9, other camphor, crystals with special odors, very volatile, slightly soluble in water, soluble in most paint solvents. It is an excellent plasticizer for nitrocellulose and cellulose esters.
Third, the plasticizer in environmental protection ink Acetyl tri-n-butyl citrate, Chinese alias acetyl tributyl citrate, English name acetyl tributyl citrate, also known as ATBC, English alias tributyl ester; acetyl tri-n-butyl citrate . The CAS number is NO.77-90-7, and the molecular weight is C20H34O8 with a molecular weight of 402.48 (according to IUPAC's 1995 five-digit atomic weight). The properties of ATBC plasticizer are: colorless, odorless, oily liquid, boiling point 343°C (0.101 MPa), flash point (open cup) 204°C, freezing point -80°C, evaporation rate 0.000009g/cm2•h (105°C) , hydrolysis rate 0.1% (100 °C, 6 hours), soluble in most organic solvents, insoluble in water. It is compatible with polyvinyl chloride, polystyrene, vinyl chloride-vinyl acetate copolymer, nitrocellulose, polyvinyl butyral and other resins. It is partially compatible with cellulose acetate and cellulose acetate butyrate. This product is similar in cold resistance and lightfastness to tri-n-butyl citrate, but its water resistance is superior. Non-toxic, LD50=4000mg/kg.
The use of ATBC is: This product is a non-toxic plasticizer and can be used as a plasticizer for polyvinyl chloride, cellulose resin and synthetic rubber. For non-toxic PVC granulation, food packaging containers, children's toy products, medical products, films, plates, cellulose coatings and other products. It can also be used as a stabilizer for polyvinylidene chloride.
Acetyl tri-n-butyl citrate has been widely used in the foreign food packaging industry and is currently licensed in the United Kingdom, United States, Germany, France, the Netherlands, Italy, and Japan for food packaging materials. Acetyl tri-n-butyl citrate is mainly used for plasticizing polyvinyl chloride and vinyl chloride, vinylidene chloride copolymer (Saran resin). In addition to the large amount of PVC films used abroad for packaging of fresh meat and products, it is also used for packaging of sandwiches, cheese, bacon, chickens and ducks, ham, ham products, and fresh vegetables such as mushrooms. Polyvinyl chloride film has a large oxygen permeability, can maintain the red oxygen muscle blood globulin, so that meat preservation. Its surface is shiny and transparent, and the food inside the bag is visible at a glance. The water permeability is moderate, and the carbon dioxide gas permeability is high, which can reduce the dehydration of fresh vegetables and extend the shelf life of vegetables. In addition, it also has a good sealing performance, compared to polyethylene films, which have the disadvantage of being difficult to melt seal after packaging meat. Another main application of acetyl tri-n-butyl citrate is plasticized Saran resin. The biggest advantage of Saran film is good sealing performance, excellent moisture resistance and extremely low air permeability, it is resistant to strong acids, alkalis, oils and organics. Solvents. It is a tough film material between soft PVC and hard PVC in terms of mechanical properties. It has outstanding heat shrinkability, starts to shrink at 50-60°C, shrinks to 20%-50% at 100°C, and exhibits a maximum shrinkage stress of 13-15kg/cm3 at 80°C. It has a strong self-adhesive, high sealing strength at high frequency heat sealing. Therefore, it is an excellent food packaging material. In foreign countries, it has been widely used for packaging fish, sausage, ham, meat products, cheese, smoked products, tofu, cakes and other foods that require long-term preservation or high freshness. The main plasticizer for plastic films is Acetyl tri-n-butyl citrate.
In summary, acetyl tri-n-butyl citrate is a non-toxic plasticizer with excellent properties. It is widely used abroad in the pharmaceutical industry, medical device industry, food packaging and ink industry, in view of phthalates. (2-Ethylhexyl) ester poses a potential carcinogenic risk. It is recommended to promote the application of acetyl tri-n-butyl citrate in medicine, medical equipment, food packaging, and ink manufacturing.