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Acrylonitrile plasticizer
2017-12-9 16:44:23
Acrylonitrile plasticizer
In this paper, acrylonitrile and acrylonitrile plasticizer are introduced. The commonly used acrylonitrile plasticizer is two octyl terephthalate.
Acrylonitrile has C=C double bond and -CN bond because of its molecular structure. Therefore, its chemical properties are very active, which can occur addition, polymerization, nitrile group and hydrogen ethyl reaction. Acrylonitrile plasticizer can effectively improve the performance.
Polymerization reaction and addition reaction occurred in acrylonitrile C=C bond, pure self polymerization of acrylonitrile in the light of the role, so in acrylonitrile products and acrylonitrile production process, usually to add a small amount of inhibitor, such as phenol methyl ether (MEHQ inhibitor), hydroquinone, cuprous chloride and amine. In addition to self polymerization, acrylonitrile can also react with styrene, butadiene, vinyl acetate, acrylamide and so on, so that synthetic fibers, plastics, coatings and adhesives can be prepared.
The two nitrile can be obtained by the coupling reaction between the electrolysis and the hydrogenation of acrylonitrile. Cyano reactions including hydration, hydrolysis, alcoholysis, acrylonitrile and water in the presence of a copper catalyst, preparation of acrylamide can hydrate.
The Cyanoethylation reaction is acrylonitrile and alcohol, thiol, amine, amide, aldehyde, ketone and alcohol reaction; acrylonitrile reaction for preparing alkoxy propylamine, alkoxy amine is liquid dye dispersant, antistatic agent, fiber treating agent, surfactant, medicine and other raw materials. The reaction of acrylonitrile to ammonia can produce 1, 3 C two amine, which can be used as a textile solvent, a polyurethane solvent and a catalyst.
Acrylonitrile is mainly used in the production of acrylic fiber. The proportion of acrylonitrile fiber in the world is about 55%. The acrylonitrile used in the production of acrylic fiber in China accounts for more than 80%. Acrylic fiber is widely used, and it is the third large tonnage synthetic fiber after polyester and nylon. Second, it is used for ABS/AS plastics. ABS plastics, synthesized from acrylonitrile, styrene and butadiene, and AS plastics synthesized from acrylonitrile and styrene are important engineering plastics. Because the product has the characteristics of high strength, heat resistance, light resistance and good solubility, the demand will increase in the next 10 years.
The copolymerization of butadiene with NBR is also one of the main uses of acrylonitrile. The application proportion of NBR is about 4% and the annual increase is over 1%. It is mainly used in automobile industry.
Acrylonitrile is also an important organic synthetic material. Acrylonitrile by catalytic hydration can be prepared by electrolysis of acrylamide, hydrogenation coupling can be prepared for adiponitrile, acrylamide mainly paper, wastewater treatment, ore processing, three oil recovery, oil chemicals, the demand increased by 2% annually. Only for the production of adiponitrile Ukraine in dire straits, the annual growth rate of 4%.
The catalyst is always the core of the production of acrylonitrile.
The major developers of acrylonitrile technology have focused on the development of high performance catalysts. In 80s, SRIPT makes full use of modern catalysis theory and basic research, in-depth study of the catalyst charge balance, lattice defects and lattice oxygen transfer effect on the catalyst performance and stability, and the development of the preparation technology of acrylonitrile catalyst on the optimization of key phase method, and the surface acidity of the catalyst modified by oxidation reduction, improve the reaction performance of catalyst in the high pressure and load.
Wu Hua Hua. Progress in the production technology of acrylonitrile. Progress in chemical industry.2007,26 (10): 1369-137, acrylonitrile is prepared mainly through ammoxidation of propylene, and Fe-Bi-Mo-O or Fe-Sb-O promoted by action. In recent years, the Sn / sb / O catalytic system has been widely studied as a catalyst in allyl oxidation and ammoxidation. However, in recent years, some companies have begun to study the propane ammonia oxidation process for the preparation of acrylonitrile. One of the catalyst systems for the direct ammonia oxidation of alkanes is antimony / vanadium / oxygen.
Two octyl terephthalate (plasticizer DOTP) raw materials are generally synthesized from the process route of terephthalic acid or two methyl terephthalate as raw material.
Safety data for export goods of two octyl terephthalate (plasticizer DOTP)
CAS No.:6422-86-2
State of the goods: export by general goods.
Use of two octyl terephthalate (plasticizer DOTP)
1.DOTP has good electrical and thermal properties. It can be used to replace DOP in the sheath of PVC plastic wire and can also be used in the production of artificial leather membrane. In addition, with excellent compatibility, terephthalic acid ester is two PVC acrylonitrile derivatives plastic plasticizer, plasticizer, plasticizer, polyvinyl butyral nitrile rubber plasticizer, plasticizer for cellulose nitrate. The improvement of the product and plays the role of hardness and deformation, can be used as softener in NBR, chloroprene rubber, EPDM rubber and other products three. Especially for cable material, it has good plasticizing effect and low volatility. It is widely used in various products that require heat resistance and high insulation. It is an ideal plasticizer for producing 70 PVC cable material and other volatile resistant products.
2.DOTP is used for the PVC products in the car, which can solve the fog problem of the glass window. DOTP is also used for high quality lubricants or lubricant additives furniture and interior decoration paint, and precision instruments, nitro varnish additives, paper softener, biaxially oriented polyester amide membrane film, plastic bags and other crafts, plasma storage.
3. because the linear molecular structure of DOTP is similar to DOS and DOA, its cold resistance is also better.
The volume resistivity of 4.DOTP is 10-20 times higher than that of DOP, and its mobility is excellent.
5., because DOTP does not contain o-phthalate two formate, it is not an environmental friendly plasticizer in the range of 16 16 kinds of plasticizers containing o-phthalic acid in the European Union and other countries.
The molecular chain of polymer with spatial structure is able to crystallize under proper conditions, that is, chain molecules form a regular state from tight coil to chaotic state. Under general conditions, the polymers produced in industrial production can not be completely crystallized, but are often made up of amorphous regions by the crystalline regions.
Obviously, the insertion area of the plasticizer is much more difficult than the insertion of the amorphous region, because the free space between the crystalline region and the polymer and the chain is the smallest.
If the plasticizer molecules can only insert into the amorphous region of partially crystallized polymers, the plasticizer is a non solvent plasticizer, the so-called auxiliary plasticizer. If the molecules of plasticizer can be inserted into the amorphous region of polymer and can be inserted into the crystalline region, the plasticizer is solvent plasticizer, the so-called main plasticizer.
The plasticizer is extremely important in the rubber and plastic products processing additives, adding plasticizer in rubber and plastic products, can weaken the attraction between polymer molecules is Fan Dehua force, thereby increasing the polymer chain mobility, reduce the crystallinity of the polymer chains, which increased the plastic polymer. It shows that the melt viscosity and the fluidity increase, and the hardness, modulus, softening temperature and embrittlement temperature decrease, while elongation, flexibility and flexibility increase.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
In this paper, acrylonitrile and acrylonitrile plasticizer are introduced. The commonly used acrylonitrile plasticizer is two octyl terephthalate.
Acrylonitrile has C=C double bond and -CN bond because of its molecular structure. Therefore, its chemical properties are very active, which can occur addition, polymerization, nitrile group and hydrogen ethyl reaction. Acrylonitrile plasticizer can effectively improve the performance.
Polymerization reaction and addition reaction occurred in acrylonitrile C=C bond, pure self polymerization of acrylonitrile in the light of the role, so in acrylonitrile products and acrylonitrile production process, usually to add a small amount of inhibitor, such as phenol methyl ether (MEHQ inhibitor), hydroquinone, cuprous chloride and amine. In addition to self polymerization, acrylonitrile can also react with styrene, butadiene, vinyl acetate, acrylamide and so on, so that synthetic fibers, plastics, coatings and adhesives can be prepared.
The two nitrile can be obtained by the coupling reaction between the electrolysis and the hydrogenation of acrylonitrile. Cyano reactions including hydration, hydrolysis, alcoholysis, acrylonitrile and water in the presence of a copper catalyst, preparation of acrylamide can hydrate.
The Cyanoethylation reaction is acrylonitrile and alcohol, thiol, amine, amide, aldehyde, ketone and alcohol reaction; acrylonitrile reaction for preparing alkoxy propylamine, alkoxy amine is liquid dye dispersant, antistatic agent, fiber treating agent, surfactant, medicine and other raw materials. The reaction of acrylonitrile to ammonia can produce 1, 3 C two amine, which can be used as a textile solvent, a polyurethane solvent and a catalyst.
Acrylonitrile is mainly used in the production of acrylic fiber. The proportion of acrylonitrile fiber in the world is about 55%. The acrylonitrile used in the production of acrylic fiber in China accounts for more than 80%. Acrylic fiber is widely used, and it is the third large tonnage synthetic fiber after polyester and nylon. Second, it is used for ABS/AS plastics. ABS plastics, synthesized from acrylonitrile, styrene and butadiene, and AS plastics synthesized from acrylonitrile and styrene are important engineering plastics. Because the product has the characteristics of high strength, heat resistance, light resistance and good solubility, the demand will increase in the next 10 years.
The copolymerization of butadiene with NBR is also one of the main uses of acrylonitrile. The application proportion of NBR is about 4% and the annual increase is over 1%. It is mainly used in automobile industry.
Acrylonitrile is also an important organic synthetic material. Acrylonitrile by catalytic hydration can be prepared by electrolysis of acrylamide, hydrogenation coupling can be prepared for adiponitrile, acrylamide mainly paper, wastewater treatment, ore processing, three oil recovery, oil chemicals, the demand increased by 2% annually. Only for the production of adiponitrile Ukraine in dire straits, the annual growth rate of 4%.
The catalyst is always the core of the production of acrylonitrile.
The major developers of acrylonitrile technology have focused on the development of high performance catalysts. In 80s, SRIPT makes full use of modern catalysis theory and basic research, in-depth study of the catalyst charge balance, lattice defects and lattice oxygen transfer effect on the catalyst performance and stability, and the development of the preparation technology of acrylonitrile catalyst on the optimization of key phase method, and the surface acidity of the catalyst modified by oxidation reduction, improve the reaction performance of catalyst in the high pressure and load.
Wu Hua Hua. Progress in the production technology of acrylonitrile. Progress in chemical industry.2007,26 (10): 1369-137, acrylonitrile is prepared mainly through ammoxidation of propylene, and Fe-Bi-Mo-O or Fe-Sb-O promoted by action. In recent years, the Sn / sb / O catalytic system has been widely studied as a catalyst in allyl oxidation and ammoxidation. However, in recent years, some companies have begun to study the propane ammonia oxidation process for the preparation of acrylonitrile. One of the catalyst systems for the direct ammonia oxidation of alkanes is antimony / vanadium / oxygen.
Two octyl terephthalate (plasticizer DOTP) raw materials are generally synthesized from the process route of terephthalic acid or two methyl terephthalate as raw material.
Safety data for export goods of two octyl terephthalate (plasticizer DOTP)
CAS No.:6422-86-2
State of the goods: export by general goods.
Use of two octyl terephthalate (plasticizer DOTP)
1.DOTP has good electrical and thermal properties. It can be used to replace DOP in the sheath of PVC plastic wire and can also be used in the production of artificial leather membrane. In addition, with excellent compatibility, terephthalic acid ester is two PVC acrylonitrile derivatives plastic plasticizer, plasticizer, plasticizer, polyvinyl butyral nitrile rubber plasticizer, plasticizer for cellulose nitrate. The improvement of the product and plays the role of hardness and deformation, can be used as softener in NBR, chloroprene rubber, EPDM rubber and other products three. Especially for cable material, it has good plasticizing effect and low volatility. It is widely used in various products that require heat resistance and high insulation. It is an ideal plasticizer for producing 70 PVC cable material and other volatile resistant products.
2.DOTP is used for the PVC products in the car, which can solve the fog problem of the glass window. DOTP is also used for high quality lubricants or lubricant additives furniture and interior decoration paint, and precision instruments, nitro varnish additives, paper softener, biaxially oriented polyester amide membrane film, plastic bags and other crafts, plasma storage.
3. because the linear molecular structure of DOTP is similar to DOS and DOA, its cold resistance is also better.
The volume resistivity of 4.DOTP is 10-20 times higher than that of DOP, and its mobility is excellent.
5., because DOTP does not contain o-phthalate two formate, it is not an environmental friendly plasticizer in the range of 16 16 kinds of plasticizers containing o-phthalic acid in the European Union and other countries.
The molecular chain of polymer with spatial structure is able to crystallize under proper conditions, that is, chain molecules form a regular state from tight coil to chaotic state. Under general conditions, the polymers produced in industrial production can not be completely crystallized, but are often made up of amorphous regions by the crystalline regions.
Obviously, the insertion area of the plasticizer is much more difficult than the insertion of the amorphous region, because the free space between the crystalline region and the polymer and the chain is the smallest.
If the plasticizer molecules can only insert into the amorphous region of partially crystallized polymers, the plasticizer is a non solvent plasticizer, the so-called auxiliary plasticizer. If the molecules of plasticizer can be inserted into the amorphous region of polymer and can be inserted into the crystalline region, the plasticizer is solvent plasticizer, the so-called main plasticizer.
The plasticizer is extremely important in the rubber and plastic products processing additives, adding plasticizer in rubber and plastic products, can weaken the attraction between polymer molecules is Fan Dehua force, thereby increasing the polymer chain mobility, reduce the crystallinity of the polymer chains, which increased the plastic polymer. It shows that the melt viscosity and the fluidity increase, and the hardness, modulus, softening temperature and embrittlement temperature decrease, while elongation, flexibility and flexibility increase.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
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