JPS5629694A - Conditioning method of electrodeposition paint liquid - Google Patents
Conditioning method of electrodeposition paint liquidInfo
- Publication number
- JPS5629694A JPS5629694A JP10421479A JP10421479A JPS5629694A JP S5629694 A JPS5629694 A JP S5629694A JP 10421479 A JP10421479 A JP 10421479A JP 10421479 A JP10421479 A JP 10421479A JP S5629694 A JPS5629694 A JP S5629694A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- permeated
- sent
- concentrated solution
- washing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Paints Or Removers (AREA)
Abstract
PURPOSE: To prevent the lowering of quality due to foreign ions in an electrodeposition paint by a method wherein an electrodeposition bath liquid containing a synthetic resin ionically dissolved therein is subjected to the ultrafiltration treatment to be separated into a concentrated solution and a permeated solution and the second concentrated solution obtained by subjecting said permeated solution to the reverse osmosis treatment is treated by an ion exchange.
CONSTITUTION: An electrodeposition paint bath liquid, for example, a solution comprising a thermosetting acrylic resin, an amino compound, amines and an org. solvent is sent to a subtank 3 from a storage tank 1 and at least a portion thereof is sent to an ultrafiltration apparatus 4. Herein, said solution is separated into a concentrated solution and a permeated solution and the concentrated solution containing a high molecular resin and a pigment is returned to the subtank. The permeated solution is sent to a reverse osmosis apparatus 5 to be separated into the second permeated solution and the second concentrated solution the permeated solution is sent to a washing tank 2 to be utilized as a washing water. The second concentrated solution is sent to an ion exchange apparatus 6 and, after foreign ions are removed therefrom, entered the washing tank. The washing water is flooded to the storage tank 1 from the washing tank and a paint liquid is replenished from the subtank. The permeated solution may be occationally used in washing a vertically hung article to be treated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421479A JPS5839239B2 (en) | 1979-08-16 | 1979-08-16 | How to prepare electrodeposition paint liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421479A JPS5839239B2 (en) | 1979-08-16 | 1979-08-16 | How to prepare electrodeposition paint liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5629694A true JPS5629694A (en) | 1981-03-25 |
| JPS5839239B2 JPS5839239B2 (en) | 1983-08-29 |
Family
ID=14374701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10421479A Expired JPS5839239B2 (en) | 1979-08-16 | 1979-08-16 | How to prepare electrodeposition paint liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5839239B2 (en) |
-
1979
- 1979-08-16 JP JP10421479A patent/JPS5839239B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5839239B2 (en) | 1983-08-29 |
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