SU122817A1 - Method of anaphoretic coating of cathode heaters of radio tubes - Google Patents
Method of anaphoretic coating of cathode heaters of radio tubesInfo
- Publication number
- SU122817A1 SU122817A1 SU603656A SU603656A SU122817A1 SU 122817 A1 SU122817 A1 SU 122817A1 SU 603656 A SU603656 A SU 603656A SU 603656 A SU603656 A SU 603656A SU 122817 A1 SU122817 A1 SU 122817A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coating
- radio tubes
- cathode heaters
- anaphoretic
- heaters
- Prior art date
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
Известен способ анафорезного покрыти подогревателей катодов радиоламп, при котором в алундовую суспензию ввод т различные органические добавки, например анилин, ализарин и др., дающие возможность увеличить толщину и плотность получаемых покрытий.A known method of anaphoresis coating of cathode heaters of radio tubes, in which various organic additives, such as aniline, alizarin, etc., are introduced into the alundum suspension, making it possible to increase the thickness and density of the coatings produced.
Недостатки подобного способа заключаютс в том, что при его использовании рассеивающа способность органосуспензии получаетс сравнительно низкой, и не удаетс получить достаточно равномерного покрыти подогревател .The disadvantages of this method are that when it is used, the dispersing ability of organosuspension is relatively low, and it is not possible to obtain a sufficiently uniform coating of the preheater.
В описываемом способе эти недостатки устранены введением в алундовую органосуспензию ионогенной добавки в виде трехпроцентного раствора алмакона ОС-2 в ацетоне. Количество введенного в органосуспензию алмакона колеблетс от 0,1 до 2 мл на 100 мл суспензии. Введение ионогенной добавки увеличивает в З-г-5 раз рассеивающую способность органосуспензии и улучшает равномерность покрыти rioдогревателей .In the described method, these disadvantages are eliminated by introducing into the alundum organosuspension an ionic additive in the form of a three percent solution of Almacon OS-2 in acetone. The amount of Almacon added to the organosuspension ranges from 0.1 to 2 ml per 100 ml of suspension. The introduction of an ionic additive increases W-5 times the dispersing ability of organosuspension and improves the uniformity of the coating of rio-heaters.
Алмакон ОС-2 представл ет собой четвертичную соль амино-метилированного дигликолевого эфира смеси высщих жирных спиртов и сульфокислоты бензола.Almacon OS-2 is a quaternary salt of the amino-methylated diglycol ether in a mixture of higher fatty alcohols and benzene sulfonic acid.
Структурна .формула алмаконаStructural. Almacon Formula
НОСНоСНоОСНгСНгОСНгМ (СзНвГсбНаЗо гдеNOSNOOSNOOSNgSNgOSNgM (SzNvGsbNaZo where
Наблюдаемое иногда некоторое снижение привеса покрыти , вызываемое введением добавки, устран ют добавлением в суспензию аммиака дл нейтрализации кислой реакции алмакона.A sometimes observed decrease in the weight gain of the coating caused by the addition of the additive is eliminated by adding ammonia to the slurry to neutralize the acidic reaction.
К 14-is iia-з:K 14-is iia-z:
№ 122817№ 122817
Предмет изобретени Subject invention
Способ анафорезного покрыти подогревателей катодов радиоламп, отличающийс тем, что, с целью повышени рассеивающей способности органосуспензии и, следовательно, улучшени равномерпости покрыти , в алупдовую органосуспепзию ввод т ионогенную добавку в виде трех процентного раствора алмакона ОС-2 в ацетоне в количестве от 0,1 до 2 мл на 100 мл суспензии.The method of anaphoretic coating of cathode heaters of radio tubes, characterized in that, in order to increase the scattering ability of organosuspension and, consequently, improve the uniformity of the coating, an ionogenic additive in the form of a three percent solution of Alma-OC-2 in acetone in an amount of 0.1 up to 2 ml per 100 ml of suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU603656A SU122817A1 (en) | 1958-07-08 | 1958-07-08 | Method of anaphoretic coating of cathode heaters of radio tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU603656A SU122817A1 (en) | 1958-07-08 | 1958-07-08 | Method of anaphoretic coating of cathode heaters of radio tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU122817A1 true SU122817A1 (en) | 1958-11-30 |
Family
ID=48394449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU603656A SU122817A1 (en) | 1958-07-08 | 1958-07-08 | Method of anaphoretic coating of cathode heaters of radio tubes |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU122817A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0364018A1 (en) * | 1988-09-29 | 1990-04-18 | Koninklijke Philips Electronics N.V. | Method of applying a thermally black layer to a heating member for an indirectly heated cathode |
-
1958
- 1958-07-08 SU SU603656A patent/SU122817A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0364018A1 (en) * | 1988-09-29 | 1990-04-18 | Koninklijke Philips Electronics N.V. | Method of applying a thermally black layer to a heating member for an indirectly heated cathode |
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