SU1502660A1 - Method of activating steel surface - Google Patents
Method of activating steel surface Download PDFInfo
- Publication number
- SU1502660A1 SU1502660A1 SU864159635A SU4159635A SU1502660A1 SU 1502660 A1 SU1502660 A1 SU 1502660A1 SU 864159635 A SU864159635 A SU 864159635A SU 4159635 A SU4159635 A SU 4159635A SU 1502660 A1 SU1502660 A1 SU 1502660A1
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- USSR - Soviet Union
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- coating
- steel surface
- water
- water resistance
- increase
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Abstract
Изобретение относитс к химической обработке металлов и может быть использовано перед нанесением полиэтиленового покрыти на стальные издели . Целью изобретени вл етс повышение адгезии и водостойкости покрыти . Способ представл ет собой обработку протонированной водой с водородным показателем 3-3,5. 2 табл.The invention relates to the chemical treatment of metals and can be used before applying a polyethylene coating on steel products. The aim of the invention is to increase the adhesion and water resistance of the coating. The method is a treatment with protonated water with a hydrogen index of 3-3.5. 2 tab.
Description
Изобретение относитс к области химической подготовки стальной поверхности и может быть использовано перед нанесением полиэтиленового покрыти .The invention relates to the field of chemical preparation of a steel surface and can be used before applying a polyethylene coating.
Целью изобретени вл етс повышение адгезии и водостойкости покрыти .The aim of the invention is to increase the adhesion and water resistance of the coating.
Пример. В лабораторном электролизере с титановыми электродами получают протонированную воду (электролит из прианодного пространства процесса электролиза воды) с водородным показателем от 2,0 до 4,0, в которой обрабатывают образцы из различных марок стали (Г-17, Ст. 10, Ст.З, 08 КП).Example. In a laboratory electrolytic cell with titanium electrodes, protonated water is obtained (electrolyte from the near-anode space of the water electrolysis process) with a hydrogen index from 2.0 to 4.0, in which samples of various steel grades are processed (G-17, St. 10, St. , 08 KP).
Предварительно образ1и 1 подвергают обработке по схеме, описанной в табл.I.Beforehand, 1 is processed according to the scheme described in Table I.
В табл.2 представлены результаты сравнит€и1ьных испытаний дл предложенного и известного способов.Table 2 presents the results of the comparison tests for the proposed and known methods.
После активации поверхности кислотной обработкой на поверхность образцов последовательно нанос т Лу- полен 2910, а затем полиптилен ПТИ- 321 при режимах, указанных в табл.1. Эффективность активации оценивают по начальной адгезионной прочности и водостойкости покрытий. Адгезионную прочность определ ют методом обрыва покрыти со скоростью 10 мм/мин при по ГОСТу.After the surface was activated by acid treatment, Lupoline 2910 was successively applied to the surface of the samples, and then PTI-321 polystyrene under the conditions listed in Table 1. The activation efficiency is assessed by the initial adhesive strength and water resistance of the coatings. Adhesive strength is determined by the method of breaking the coating at a speed of 10 mm / min with GOST.
Недостатком обработки в кислотах вл етс наличие на поверхности солей - продуктов коррозии, которые ведут к нарушению адгезионной св зи между металлом и покрытием, так как на поверхности всегда присутствуют хлор- и сульфат-ионы. Обработка поверхности протонированной водой исключает попадание активных анионов под покрытие, поскольку они отсутствуют в протонированной BCUIC.The disadvantage of treatment in acids is the presence of salts on the surface, which are corrosion products, which lead to a breakdown of the adhesive bond between the metal and the coating, since chlorine and sulfate ions are always present on the surface. Surface treatment with protonated water prevents active anions from entering the coating, since they are absent in protonated BCUIC.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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SU864159635A SU1502660A1 (en) | 1986-12-11 | 1986-12-11 | Method of activating steel surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864159635A SU1502660A1 (en) | 1986-12-11 | 1986-12-11 | Method of activating steel surface |
Publications (1)
Publication Number | Publication Date |
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SU1502660A1 true SU1502660A1 (en) | 1989-08-23 |
Family
ID=21272208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864159635A SU1502660A1 (en) | 1986-12-11 | 1986-12-11 | Method of activating steel surface |
Country Status (1)
Country | Link |
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SU (1) | SU1502660A1 (en) |
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1986
- 1986-12-11 SU SU864159635A patent/SU1502660A1/en active
Non-Patent Citations (1)
Title |
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Зимой А,Д. Адгези пленок и покрытий. - М.: Хими , 1977, с. 244. Беленький М.А., Иванов А.Ф. Электроосаждение металлических покрытий. Справочник. - М.: Металлурги , 1985, с. 47. * |
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