News Details
PVC plasticizer and stabilizer
2017-12-15 11:18:30
PVC plasticizer and stabilizer
In this paper, PVC plasticizer and stabilizer are introduced.
Epoxy fatty acid ester (ED-3) is an excellent PVC plasticizer and stabilizer, thermal stability and excellent weatherability, low temperature resistant performance is getting better, volatile and extraction resistance is better than that of epoxy fatty acid ester. Because of the different fatty acids and a variety of different structure, such as epoxy stearic ester, octyl epoxyfuroic oleic ester etc..
Epoxy four hydrogen phthalate two formic acid and two octyl (EPS) PVC plasticizer and stabilizer, plasticizer and DOP, better compatibility with PVC, can be used as the main plasticizer. No exudation from the products, with excellent light and heat stability, bacteria resistance is strong, non-toxic, mainly used for medical soft PVC products.
The epoxy stearate is a light yellow oily liquid with a specific gravity of 0.899 (25 C), a refractive index of 1.4537, a freezing point, -13.5 C. The flash point is 265 degrees centigrade.
The performance and use of epoxy fatty acid octyl (ED3) is one of the most widely used epoxy plasticizers in China. It is an excellent plasticizer and stabilizer for PVC. It has excellent thermal stability and weatherability and good low temperature performance. Phase solubility and transparency are also good. It is very toxic to warm blooded animals. The volatilization loss and extraction resistance of this product are better than that of epoxy fatty acid butyl ester. Its disadvantage is that the phase solubility is poor, so it is generally not used alone. Widely used with other plasticizers - P two formic acid and two ester and dibutyl phthalate, the general dosage is 5~10. It is especially suitable for agricultural film and other products that require good weather resistance and cold resistance.
Production method of epoxy plasticizer
1. Raw materials
According to the types of epoxy plasticizers, the main materials used are as follows: (1) natural vegetable oil; (2) fatty acid monoester; (3) four hydrogen ortho benzoate. It is also necessary to use oxidants and catalysts, such as hydrogen peroxide (hydrogen peroxide), formic acid, acetic acid, peracetic acid, sulfuric acid, ion exchange resin and so on.
(1) most natural vegetable oils contain double bonds of unsaturated vegetable oil as raw materials for epoxy plasticizers
Natural oil belongs to three fatty acid glyceride, of which fatty acids are mainly eighteen carbon saturated acid and unsaturated acid.
In addition, there are oil, neem oil, fruit from castor oil. The rich oil resources in China provide a convenient condition for the development of epoxy plasticizer.
(2) the TallOil TUL oil is a mixture of oleic acid and linoleic acid recovered from the waste liquid of the pine pulp mill.
(3) four hydrogen o-benzoic acid two carboxylate (tetrahydrophthalate) four hydrogen phthalate two carboxylic acid ester is four hydrogen phthalic anhydride obtained from dibutene addition reaction of butadiene and two butane two anhydride, and then esterified with alcohol. The epoxide four hydrogen phthalate ester was prepared by using four hydrogen o-phthalic acid two ester and four hydrogen phthalic two formic acid two isodecyl ester as raw material.
Two octyl terephthalate (plasticizer DOTP) information:
Shipping port: Shanghai port
Price quotation validity: 15 days
Entry time: 15 days (inspection declaration)
Export authority: the company's right to import and export
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.
2. Production methods
Principle: epoxy bonding is the olefinic bond with the nascent oxygen reaction and molecular structure and.
In the reaction, [O] is derived from acetic acid (or formic acid) and peroxide (a) acid obtained from hydrogen peroxide.
In general, aliphatic compounds with unsaturated double bonds can be oxidized by peroxises.
There are two kinds of epoxidation processes, namely, peroxylic acid prepared by hydrogen peroxide and peracetic acid process by oxidation of acetaldehyde. The former is also divided into the pre preparation method before the epoxidation and the instant preparation in the epoxidation process, namely the so-called instant preparation method.
(1) the epoxidation reaction of preprepared acid method is not used as a catalyst, and the reaction can be carried out directly.
In the process of reaction, there are a large number of CH3COOH production, and the recovery treatment must be considered. In addition, the concentration of peracetic acid must be strictly controlled between 40%~45%, in order to prevent the explosion. Because of many hidden dangers, this method is less used in industry.
(2) immediate preparation of peric acid method
The epoxidized unsaturated vegetable oil and acetic acid and hydrogen peroxide mixture react with the presence of acid catalyst to obtain the epoxidized vegetable oil.
This method has been widely used at present, and it is not necessary to make the other acid equipment, the reaction temperature is low, the reaction time is short, the effect is relatively safe and the effect is better.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
In this paper, PVC plasticizer and stabilizer are introduced.
Epoxy fatty acid ester (ED-3) is an excellent PVC plasticizer and stabilizer, thermal stability and excellent weatherability, low temperature resistant performance is getting better, volatile and extraction resistance is better than that of epoxy fatty acid ester. Because of the different fatty acids and a variety of different structure, such as epoxy stearic ester, octyl epoxyfuroic oleic ester etc..
Epoxy four hydrogen phthalate two formic acid and two octyl (EPS) PVC plasticizer and stabilizer, plasticizer and DOP, better compatibility with PVC, can be used as the main plasticizer. No exudation from the products, with excellent light and heat stability, bacteria resistance is strong, non-toxic, mainly used for medical soft PVC products.
The epoxy stearate is a light yellow oily liquid with a specific gravity of 0.899 (25 C), a refractive index of 1.4537, a freezing point, -13.5 C. The flash point is 265 degrees centigrade.
The performance and use of epoxy fatty acid octyl (ED3) is one of the most widely used epoxy plasticizers in China. It is an excellent plasticizer and stabilizer for PVC. It has excellent thermal stability and weatherability and good low temperature performance. Phase solubility and transparency are also good. It is very toxic to warm blooded animals. The volatilization loss and extraction resistance of this product are better than that of epoxy fatty acid butyl ester. Its disadvantage is that the phase solubility is poor, so it is generally not used alone. Widely used with other plasticizers - P two formic acid and two ester and dibutyl phthalate, the general dosage is 5~10. It is especially suitable for agricultural film and other products that require good weather resistance and cold resistance.
Production method of epoxy plasticizer
1. Raw materials
According to the types of epoxy plasticizers, the main materials used are as follows: (1) natural vegetable oil; (2) fatty acid monoester; (3) four hydrogen ortho benzoate. It is also necessary to use oxidants and catalysts, such as hydrogen peroxide (hydrogen peroxide), formic acid, acetic acid, peracetic acid, sulfuric acid, ion exchange resin and so on.
(1) most natural vegetable oils contain double bonds of unsaturated vegetable oil as raw materials for epoxy plasticizers
Natural oil belongs to three fatty acid glyceride, of which fatty acids are mainly eighteen carbon saturated acid and unsaturated acid.
In addition, there are oil, neem oil, fruit from castor oil. The rich oil resources in China provide a convenient condition for the development of epoxy plasticizer.
(2) the TallOil TUL oil is a mixture of oleic acid and linoleic acid recovered from the waste liquid of the pine pulp mill.
(3) four hydrogen o-benzoic acid two carboxylate (tetrahydrophthalate) four hydrogen phthalate two carboxylic acid ester is four hydrogen phthalic anhydride obtained from dibutene addition reaction of butadiene and two butane two anhydride, and then esterified with alcohol. The epoxide four hydrogen phthalate ester was prepared by using four hydrogen o-phthalic acid two ester and four hydrogen phthalic two formic acid two isodecyl ester as raw material.
Two octyl terephthalate (plasticizer DOTP) information:
Shipping port: Shanghai port
Price quotation validity: 15 days
Entry time: 15 days (inspection declaration)
Export authority: the company's right to import and export
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.
2. Production methods
Principle: epoxy bonding is the olefinic bond with the nascent oxygen reaction and molecular structure and.
In the reaction, [O] is derived from acetic acid (or formic acid) and peroxide (a) acid obtained from hydrogen peroxide.
In general, aliphatic compounds with unsaturated double bonds can be oxidized by peroxises.
There are two kinds of epoxidation processes, namely, peroxylic acid prepared by hydrogen peroxide and peracetic acid process by oxidation of acetaldehyde. The former is also divided into the pre preparation method before the epoxidation and the instant preparation in the epoxidation process, namely the so-called instant preparation method.
(1) the epoxidation reaction of preprepared acid method is not used as a catalyst, and the reaction can be carried out directly.
In the process of reaction, there are a large number of CH3COOH production, and the recovery treatment must be considered. In addition, the concentration of peracetic acid must be strictly controlled between 40%~45%, in order to prevent the explosion. Because of many hidden dangers, this method is less used in industry.
(2) immediate preparation of peric acid method
The epoxidized unsaturated vegetable oil and acetic acid and hydrogen peroxide mixture react with the presence of acid catalyst to obtain the epoxidized vegetable oil.
This method has been widely used at present, and it is not necessary to make the other acid equipment, the reaction temperature is low, the reaction time is short, the effect is relatively safe and the effect is better.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
Spanish
French
Italian
Portuguese
Japanese
Korean
Arabic
Russian