SU350376A1 - METHOD OF COATING - Google Patents
METHOD OF COATINGInfo
- Publication number
- SU350376A1 SU350376A1 SU1480936A SU1480936A SU350376A1 SU 350376 A1 SU350376 A1 SU 350376A1 SU 1480936 A SU1480936 A SU 1480936A SU 1480936 A SU1480936 A SU 1480936A SU 350376 A1 SU350376 A1 SU 350376A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coating
- solution
- resin
- formaldehyde resin
- lead
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title description 10
- 238000000576 coating method Methods 0.000 title description 10
- 238000000034 method Methods 0.000 title description 5
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical compound O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 235000009529 zinc sulphate Nutrition 0.000 description 2
- 239000011686 zinc sulphate Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- ZHNUHDYFZUAESO-OUBTZVSYSA-N aminoformaldehyde Chemical compound N[13CH]=O ZHNUHDYFZUAESO-OUBTZVSYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Phenolic Resins Or Amino Resins (AREA)
- Paints Or Removers (AREA)
Description
Известен способ получени покрыти путем электрофоретического осаждени из водноспиртового раствора бутанолизированной меламиноформальдегидной смолы.A known method for producing a coating by electrophoretic precipitation from a water-alcohol solution of a butanolized melamine formaldehyde resin.
Цель изобретени - повышение коррозионной стойкости полученного металлополимерного покрыти . Дл этого в состав наносимого раствора ввод т соединение, выбранное из группы, состо щей из сульфата цинка или сульфамата свинца в количестве 50 г/л.The purpose of the invention is to increase the corrosion resistance of the obtained metal-polymer coating. For this, a compound selected from the group consisting of zinc sulphate or lead sulphamate in an amount of 50 g / l is introduced into the applied solution.
Выведение в состав покрыти металла существенно улучшает антикоррозионные свойства этих смол, как это видно из приведенной ниже таблицы. Существенным преимуществом способа вл етс также и то, что вместо суспензий смолы в растворителе используютс нк истинные растворы, что значительно упрощает процедуру подготовки и проведени процесса . Другим следствием замены суспензии истинным раствором вл етс выделение на электроде индивидуальных молекул смолы, в результате чего образуетс более плотное покрытие и обеспечиваетс более полное взаимодействие смолы с поверхностью металлических частиц.Removal of the metal into the coating significantly improves the anti-corrosion properties of these resins, as can be seen from the table below. A significant advantage of the method is that instead of suspensions of the resin in the solvent, nc true solutions are used, which greatly simplifies the process of preparing and carrying out the process. Another consequence of replacing the suspension with a true solution is the separation of individual resin molecules on the electrode, resulting in a tighter coating and more complete interaction of the resin with the surface of the metal particles.
Дл1Я осуществлени процесса электроосаждени аминоформальдегидную смолу раствор ют в дистиллированной воде при подкислении или в спирте в количестве 20 г в 1000 мл растворител . К раствору смолы добавл ютTo carry out the electroplating process, the amino formaldehyde resin is dissolved in distilled water by acidification or in alcohol in an amount of 20 g per 1000 ml of solvent. To the resin solution is added
раствор сульфата цинка (300 г/л) или сульфамата свинца (250 г/л) с таким расчетом, чтобы концентраци соли металла в ванне составл ла не менее 50 г/л. рН полученной смсси устанавливают равным 1-6, предпочтительно 1-3. Плотность тока составл ет не менее 0,5 а/дм, врем осаждени - не менее 2 мин.a solution of zinc sulphate (300 g / l) or lead sulphamate (250 g / l) so that the concentration of the metal salt in the bath is at least 50 g / l. The pH of the resulting CMS is set to 1-6, preferably 1-3. The current density is at least 0.5 A / dm, the deposition time is at least 2 minutes.
Получаетс гладкое беспористое покрытиеA smooth, non-porous coating is obtained.
толщиной от нескольких микрон до нескольких дес тков микрон в зависимости от условий осаждени .thickness from several microns to several tens of microns, depending on the deposition conditions.
Пример 1. К раствору анилиноформальдегидной смолъ в дистиллированной воде концентрации 200 г/л при подкисленин сульфаминовой кислотой 1прибавл ют раствор сульфамата свинца в воде концентрации 240 г/л в соотнощении 3 : .1 (по объему). Полученна смесь содержит 150 г/л анилиноформальдегидной смолы и 60 г/л сульфамата свинца. рН этой смеси устанавливают равным 1,5.Example 1. To a solution of aniline-formaldehyde resin in distilled water at a concentration of 200 g / l with acidification with sulfamic acid 1, add a solution of lead sulphamate in water at a concentration of 240 g / l in a 3: 1 ratio (by volume). The resulting mixture contains 150 g / l of aniline-formaldehyde resin and 60 g / l of lead sulfamate. The pH of this mixture is set to 1.5.
Поверхность катода, на которой происходит образование покрыти , предварительно обезжиривают и фосфатируют. Плотность тока 2 а/дм, продолжительность осаждени - 5 мин. Покрытие высушиваетс в сушильном шкафу при 150°С. Получаетс беспористое покрытие коричневого цвета. Покрытие гладкое,The surface of the cathode, on which the formation of the coating occurs, is pre-degreased and phosphated. The current density is 2 a / dm, the duration of the deposition is 5 min. The coating is dried in a drying oven at 150 ° C. A non-porous brown coating is obtained. Smooth coating
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1480936A SU350376A1 (en) | 1970-10-05 | 1970-10-05 | METHOD OF COATING |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1480936A SU350376A1 (en) | 1970-10-05 | 1970-10-05 | METHOD OF COATING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU350376A1 true SU350376A1 (en) | 1973-08-28 |
Family
ID=20458085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1480936A SU350376A1 (en) | 1970-10-05 | 1970-10-05 | METHOD OF COATING |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU350376A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933056A (en) * | 1988-09-26 | 1990-06-12 | Ppg Industries, Inc. | Cationic electrodepositable compositions through the use of sulfamic acid and derivatives thereof |
| US6017431A (en) * | 1997-07-17 | 2000-01-25 | Ppg Industries Ohio, Inc. | Cationic electrodepositable coating composition and bath thereof and process for retarding the growth of bacteria for such a bath |
-
1970
- 1970-10-05 SU SU1480936A patent/SU350376A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933056A (en) * | 1988-09-26 | 1990-06-12 | Ppg Industries, Inc. | Cationic electrodepositable compositions through the use of sulfamic acid and derivatives thereof |
| US6017431A (en) * | 1997-07-17 | 2000-01-25 | Ppg Industries Ohio, Inc. | Cationic electrodepositable coating composition and bath thereof and process for retarding the growth of bacteria for such a bath |
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