SU142425A1 - The method of polymerization and copolymerization of Acrylonitrile - Google Patents
The method of polymerization and copolymerization of AcrylonitrileInfo
- Publication number
- SU142425A1 SU142425A1 SU689414A SU689414A SU142425A1 SU 142425 A1 SU142425 A1 SU 142425A1 SU 689414 A SU689414 A SU 689414A SU 689414 A SU689414 A SU 689414A SU 142425 A1 SU142425 A1 SU 142425A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acrylonitrile
- copolymerization
- polymerization
- moving
- devices
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 5
- 238000006116 polymerization reaction Methods 0.000 title description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title description 4
- 238000007334 copolymerization reaction Methods 0.000 title description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
Description
Процесс непрерывной полимеризации и сополимеризации акрилонитрила во всех без исключени известных случа х осуществл етс с применением принудите.тьных средств перемещени реакционных растворов и образующих полимеров, что достигаетс при помощи разнообразных движущих устройств (мещалки, насосы, пропеллерные устрорТства и др.), располагающихс или внутри колонн, или в системе св занных между собою отдельных реакторов.The process of continuous polymerization and copolymerization of acrylonitrile in all, without exception, known cases is carried out with the use of force means for moving reaction solutions and forming polymers, which is achieved with the help of various driving devices (meschalki, pumps, propeller devices, etc.) located inside or inside columns, or in a system of interconnected separate reactors.
Необходимость применени мещалок, насосов и других устройств значительно усложн ет аппаратуру дл непрерывной полимеризации акрилонитрила и гювыщает эксплуатационны.е издержки производства.The need to use meshers, pumps, and other devices greatly complicates the apparatus for the continuous polymerization of acrylonitrile and reduces the operational costs of production.
Предложенный новый способ полимеризации и сополимеризацип акрилонитрилов путем смещени мономеров не требует применени механических устройств дл перемещени и перемещивани .реакционной смеси и заключаетс в том, что, с целью увеличени пропускной способности оборудовани и снижени затрат, процесс ведут в вертикальной колонне-реакторе, перемеща реакционную смесь самотеком сверху вниз за счет разности уровней и удельных весов полупродуктов и продуктов . Таким образом, весь процесс полимеризации и сополимеризации акрилонитрила протекает при строго ламинарном режиме.The proposed new method of polymerization and copolymerization of acrylonitriles by displacing monomers does not require the use of mechanical devices for moving and transferring the reaction mixture, and consists in the fact that, in order to increase equipment throughput and reduce costs, the process is carried out in a vertical column-reactor, moving the reaction mixture gravity from top to bottom due to the difference in levels and densities of intermediate products and products. Thus, the whole process of polymerization and copolymerization of acrylonitrile proceeds in a strictly laminar mode.
Пример 1. В верхнюю часть колонны-реактора непрерывно подают приготовленную известным способом гомогенную смесь, состо щую из:Example 1. A homogeneous mixture prepared in a known manner, consisting of:
акрилонитрила-7-8%acrylonitrile-7-8%
гидросульфита- 0,07-0,(hydrosulfite - 0.07-0, (
персульфата- 0,2-1,1%persulphate - 0.2-1.1%
воды (конденсата)-90-91%water (condensate) -90-91%
серной кислотыдо рН 2-2,5sulfuric acid to pH 2-2.5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU689414A SU142425A1 (en) | 1960-12-19 | 1960-12-19 | The method of polymerization and copolymerization of Acrylonitrile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU689414A SU142425A1 (en) | 1960-12-19 | 1960-12-19 | The method of polymerization and copolymerization of Acrylonitrile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU142425A1 true SU142425A1 (en) | 1961-11-30 |
Family
ID=48298284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU689414A SU142425A1 (en) | 1960-12-19 | 1960-12-19 | The method of polymerization and copolymerization of Acrylonitrile |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU142425A1 (en) |
-
1960
- 1960-12-19 SU SU689414A patent/SU142425A1/en active
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