SU1270156A1 - Method of removing aminoformaldehyde resin depositions from devices - Google Patents
Method of removing aminoformaldehyde resin depositions from devices Download PDFInfo
- Publication number
- SU1270156A1 SU1270156A1 SU843764004A SU3764004A SU1270156A1 SU 1270156 A1 SU1270156 A1 SU 1270156A1 SU 843764004 A SU843764004 A SU 843764004A SU 3764004 A SU3764004 A SU 3764004A SU 1270156 A1 SU1270156 A1 SU 1270156A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- formalin
- tank
- reactor
- aps
- technical
- Prior art date
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- Phenolic Resins Or Amino Resins (AREA)
Abstract
Изобретение относитс к области химической промышленности, в частности к области производства аминоформальдегидных смол (АФС). Иэобретег ние позвол ет избавитьс от сточных ВОД- при очистке различных устройств от отложений АФС. В соответствии с изобретением загр зненные отложени ми АФС устройства промываютс при 20-80°С техническим формалином при соотношении 200-800 мае,ч. формалина на 1 мае.ч. смолы. Формалин после очистки устройств используетс дл синтеза аминоформальдегидных смол в смеси с техническим формалином в количествах до 10 мас.%. (Л СThis invention relates to the chemical industry, in particular, to the production of amino formaldehyde resins (APS). The proprietorship allows to get rid of the waste ESCs when cleaning various devices from APS deposits. In accordance with the invention, the APS contaminated with sediments of the device are washed at 20-80 ° C with technical formalin at a ratio of 200-800 May, h. formalin on 1 mac. resin. Formalin, after purification of devices, is used to synthesize amino formaldehyde resins mixed with technical formalin in amounts up to 10 wt.%. (Ls
Description
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU843764004A SU1270156A1 (en) | 1984-07-03 | 1984-07-03 | Method of removing aminoformaldehyde resin depositions from devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU843764004A SU1270156A1 (en) | 1984-07-03 | 1984-07-03 | Method of removing aminoformaldehyde resin depositions from devices |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1270156A1 true SU1270156A1 (en) | 1986-11-15 |
Family
ID=21127998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU843764004A SU1270156A1 (en) | 1984-07-03 | 1984-07-03 | Method of removing aminoformaldehyde resin depositions from devices |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1270156A1 (en) |
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1984
- 1984-07-03 SU SU843764004A patent/SU1270156A1/en active
Non-Patent Citations (1)
Title |
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Патент DD № 155779, кл. С 08 G 35/00, 1982. * |
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