CN109811335A - A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces - Google Patents
A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces Download PDFInfo
- Publication number
- CN109811335A CN109811335A CN201910284483.5A CN201910284483A CN109811335A CN 109811335 A CN109811335 A CN 109811335A CN 201910284483 A CN201910284483 A CN 201910284483A CN 109811335 A CN109811335 A CN 109811335A
- Authority
- CN
- China
- Prior art keywords
- coloring
- metal parts
- degreasing
- oxide coating
- anodic oxide
- 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.)
- Pending
Links
Landscapes
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a kind of non-anodic oxide coating manufacture crafts applied to five gold surfaces, comprising the following steps: step 1 uses pH value to carry out degreasing degreasing processing to metal parts for the alkaline degreasing liquid of 10-11；Step 2 carries out acid etching using oxidizing acid to degreasing degreasing treated metal parts；Step 3 is activated the metal parts after acid etching using weak caustic solution；Step 4 carries out coloring treatment to the metal parts after activation processing, and the coloring treatment is coloured using the indirect coloring of room temperature or thermal conversion film；Step 5, to coloring, treated that metal parts is filled Seal treatment.The present invention carries out dual sealing curing process to coloring film using potassium bichromate and sodium metasilicate, effectively increases the wear-resisting and corrosion resistance of coating color film.
Description
Technical field
The present invention relates to field of metal surface treatment technology, more particularly to a kind of non-anodic oxygen applied to five gold surfaces
Change layer manufacture craft.
Background technique
Currently, aluminium and its alloy coloring mainly use anodizing, this method is suitable for the production of larger part.And it is big
The small part of batch is difficult to carry out anodic oxidation using the method for hanging electrode, develops a set of energy-efficient, concise in technology, easy to operate
And the chemical treatment method for being suitable for the coloring of batches of metal small part becomes technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of non-anode applied to five gold surfaces is provided
Oxide layer manufacture craft, to solve the problems, such as above-mentioned background technique.
In order to solve the above technical problems, the present invention is solved by following technical proposals:
A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces, comprising the following steps:
Step 1 uses pH value to carry out degreasing degreasing processing to metal parts for the alkaline degreasing liquid of 10-11；
Step 2 carries out acid etching using oxidizing acid to degreasing degreasing treated metal parts；
Step 3 is activated the metal parts after acid etching using weak caustic solution；
Step 4 carries out coloring treatment to the metal parts after activation processing, and the coloring treatment is indirect using room temperature
Coloring or the coloring of thermal conversion film,
Step 5, to coloring, treated that metal parts is filled Seal treatment.
Further, in step 1, the alkaline degreasing liquid is the sodium hydroxide of 15%-20% by mass percent concentration
It is formulated with natrium carbonicum calcinatum that mass percent concentration is 40%-50%, wherein preparing temperature is 60-80 DEG C, when preparation
Between be 1-1.5min.
Further, the material of the metal parts is aluminium or aluminium alloy.
Further, in step 2, the oxidizing acid is the nitric acid that mass percent concentration is 50%-55%.
Further, in step 3, the weak caustic solution is that the sodium hydroxide that mass percent concentration is 3%-5% is molten
Liquid.
Further, in step 4, the coloring liquid of coloring treatment is the molybdic acid of 10%-15% by mass percent concentration
Ammonium, the ammonium chloride of 30%-35%, the boric acid of 8%-10%, the potassium nitrate of 9%-12%, the potassium permanganate of 15-18%, 22-
25% copper nitrate, which is stirred continuously, to be formulated, and preparing temperature is 80-95 DEG C, mixing time 30min.
Further, in coloring treatment, coloration temperature is room temperature, coloration time 10-12H.
Further, in step 5, the filling Seal treatment carries out coloring film using potassium bichromate and sodium metasilicate double
Curing process is closed again.
The present invention have the following advantages that compared with prior art and the utility model has the advantages that
1, the present invention can be removed effectively to oil removing, acid etching and activation processing has successively been carried out before metal parts coloring treatment
Go metal parts surface rust staining and oxide and remaining surface existing for alloying element or impurity on metal parts surface
Sedimentary, the metal parts before making coloring obtains the surface of smooth light, further improves coat colorization effect.
2, the present invention carries out dual sealing curing process to coloring film using potassium bichromate and sodium metasilicate, effectively increases painting
The wear-resisting and corrosion resistance of layer color film.
3, inventive formulation is simple, convenient for production, quick, and production cable architecture is simple, does not need power-supply device, is suitable for big
The low cost production of batch aluminium alloy small part solves traditional anode oxidation method and is difficult to use in the coloring of batch small part
Problem has wide application space and practical study meaning.
4, the present invention uses the non-anode oxidation coloration aluminum alloy part of room temperature, has energy conservation, easy to control, low-cost, warp
Ji performance outstanding feature.
It is the friendly process of no pollution to the environment 5. method of the invention is Chrome-free chemical conversion.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Specific implementation process of the invention is as follows:
A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces, comprising the following steps:
Step 1 uses pH value to carry out degreasing degreasing processing to metal parts for the alkaline degreasing liquid of 10-11；
Step 2 carries out acid etching using oxidizing acid to degreasing degreasing treated metal parts；
Step 3 is activated the metal parts after acid etching using weak caustic solution；
Step 4 carries out coloring treatment to the metal parts after activation processing, and the coloring treatment is indirect using room temperature
Coloring or the coloring of thermal conversion film,
Step 5, to coloring, treated that metal parts is filled Seal treatment.
In step 1, sodium hydroxide and quality hundred that the alkaline degreasing liquid is 15%-20% by mass percent concentration
Dividing specific concentration is that the natrium carbonicum calcinatum of 40%-50% is formulated, wherein preparing temperature is 60-80 DEG C, and the preparation time is 1-
1.5min。
The material of the metal parts is aluminium or aluminium alloy.
In step 2, the oxidizing acid is the nitric acid that mass percent concentration is 50%-55%.
In step 3, the weak caustic solution is the sodium hydroxide solution that mass percent concentration is 3%-5%.
In step 4, ammonium molybdate, 30%- that the coloring liquid of coloring treatment is 10%-15% by mass percent concentration
35% ammonium chloride, the boric acid of 8%-10%, the potassium nitrate of 9%-12%, the potassium permanganate of 15-18%, 22-25% nitric acid
Copper, which is stirred continuously, to be formulated, and preparing temperature is 80-95 DEG C, mixing time 30min.
In coloring treatment, coloration temperature is room temperature, coloration time 10-12H.
In step 5, the filling Seal treatment carries out dual sealing solidification to coloring film using potassium bichromate and sodium metasilicate
Processing.
In the present embodiment, metal parts is preferably billon product, and in process, surface can be constituted metal parts
Clc layer, these clc layers are frequently not individualism, but the complicated compound generated under certain conditions, this
The sticking ratio of greasy dirt and metallic matrix is stronger, it is not easy to clean, the present embodiment uses pH value as the alkaline degreasing method of 10-11
Oil removal treatment is carried out to aluminium alloy surface of test piece, good deoiling effect can be reached, acid etching carries out at room temperature, etching time
For 1min.The purpose of acid etching step is black or ash existing for remaining surface after removing rust staining and oxide and oil removing
Color attachment, this attachment are the sedimentary of the alloying element contained in metal parts or impurity on metal parts surface.Acid
Erosion step also has the effect for neutralizing article surface residual lye concurrently simultaneously, pollution coloring liquid is prevented, through acid etching metal parts
Obtain the surface of smooth light.In the present embodiment, using concentration is the nitric acid of 50%-55% as oxidizing acid, can dissolved
While metal parts surface film oxide, also oxidation generates oxidation film, when the two reaches balance, can be obtained bright, smooth
Metal parts surface.Metal parts surface easily generates thicker oxidation film, this layer of dense oxidation film influences metal parts matrix
Binding force between coloring film, the speed that will lead to surface appearance and produced film is inadaptable, and coloring is uneven, generate striped and
Multiple color etc., the activation step of the present embodiment are able to solve this problem, specifically, in activation step, using weak caustic solution
Chemical activation is carried out, the thicker oxidation film in metal parts surface can be removed, improves surface reaction film bond strength, wherein weak
Aqueous slkali uses mass percent concentration for the sodium hydroxide solution of 3%-5%, and activation carries out at room temperature, activation time 2-
5min。
In the tinting steps of the present embodiment, carried out being activated in the articles made of aluminium alloy merging coloring liquid finished at coloring
It manages, in coloring process, the stabilization of temperature need to be kept, be stirred continuously to ensure that article surface reacts full and uniform everywhere, it is preferred that
Coloring liquid by mass percent concentration be the ammonium molybdate of 10%-15%, the ammonium chloride of 30%-35%, 8%-10% boric acid,
The potassium nitrate of 9%-12%, the potassium permanganate of 15-18%, 22-25% copper nitrate be stirred continuously and be formulated, preparing temperature is
80-95 DEG C, mixing time 30min.Coloration temperature is room temperature, coloration time 10-12H.Test proves, using the technique
Color can get thick black color film, and pure color is uniform, no blueing, general red phenomenon, color film favorable reproducibility.In above-mentioned coloring formula,
The ammonium molybdate of 10%-15%, the ammonium chloride of 30%-35% convert color film in acid sites dropping liquid to ammonium molybdate, corrosion resistance
It all has a certain impact, is conducive to the raising of the corrosion resistance of film, the potassium nitrate that mass percent concentration is 9%-12% has
There is closing filling effect, also improves the corrosion resistance of the film.
In the curing schedule of the present embodiment, curing solution use mass percent concentration for the potassium bichromate of 10-15% and
3-5% sodium metasilicate configures, and the PH of curing solution is 6.5-7.5, and preparing temperature is 75-80 DEG C, and the preparation time is 5-8min.
After the completion of curing solution is prepared, the metallic article that coloring treatment is completed is according in certain useful load merging processing solution.Envelope
It is rinsed with water after closing processing, is then sufficiently dried immediately.After solidification, wearability test is carried out using rubbing manipulation, is rubbed
Embrocation uses rubber, and test specimen is carried out to the friction of certain number on rubber, and friction cross dimensions is 25-30mm, and friction is certain
After number, observe superficial film polishing the case where and degree, to judge wear-resisting property.
Table is not first is that carrying out closing cured product and carrying out rubbing manipulation test respectively by closing cured product
Comparing result.
| Test specimen | Rubbing number | Polishing effect |
| Through Seal treatment | 500 | Skin covering of the surface is without falling off, by wiping position brightness height |
| Unclosed processing | 200 | Skin covering of the surface is without falling off, by wiping position brightness height |
Interpretation of result: the color film after closing curing process, hence it is evident that wear-resisting property significantly improves, uncured processing
Test specimen, the presentation that 200 subsurfaces of friction just wipe is bright, by the test specimen of curing process, after 500 frictions, test specimen
Light is just presented in surface, illustrates that surface colour film can be effectively improved by the dual sealing curing process of the present embodiment curing solution
Wear-resisting property.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces, which comprises the following steps:
Step 1 uses pH value to carry out degreasing degreasing processing to metal parts for the alkaline degreasing liquid of 10-11；
Step 2 carries out acid etching using oxidizing acid to degreasing degreasing treated metal parts；
Step 3 is activated the metal parts after acid etching using weak caustic solution；
Step 4 carries out coloring treatment to the metal parts after activation processing, and the coloring treatment uses the indirect coloring of room temperature
Or the coloring of thermal conversion film,
Step 5, to coloring, treated that metal parts is filled Seal treatment.
2. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
In step 1, sodium hydroxide and mass percent concentration that the alkaline degreasing liquid is 15%-20% by mass percent concentration
It is formulated for the natrium carbonicum calcinatum of 40%-50%, wherein preparing temperature is 60-80 DEG C, and the preparation time is 1-1.5min.
3. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
The material of the metal parts is aluminium or aluminium alloy.
4. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
In step 2, the oxidizing acid is the nitric acid that mass percent concentration is 50%-55%.
5. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
In step 3, the weak caustic solution is the sodium hydroxide solution that mass percent concentration is 3%-5%.
6. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
In step 4, the coloring liquid of coloring treatment is the chlorination of the ammonium molybdate, 30%-35% of 10%-15% by mass percent concentration
Ammonium, the boric acid of 8%-10%, the potassium nitrate of 9%-12%, the potassium permanganate of 15-18%, 22-25% copper nitrate be stirred continuously
It is formulated, preparing temperature is 80-95 DEG C, mixing time 30min.
7. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 6, which is characterized in that
Coloration temperature is room temperature, coloration time 10-12H.
8. a kind of non-anodic oxide coating manufacture craft applied to five gold surfaces according to claim 1, it is characterised in that:
In step 5, the filling Seal treatment carries out dual sealing curing process to coloring film using potassium bichromate and sodium metasilicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284483.5A CN109811335A (en) | 2019-04-10 | 2019-04-10 | A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284483.5A CN109811335A (en) | 2019-04-10 | 2019-04-10 | A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109811335A true CN109811335A (en) | 2019-05-28 |
Family
ID=66611761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284483.5A Pending CN109811335A (en) | 2019-04-10 | 2019-04-10 | A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109811335A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020043168A1 (en) * | 2000-07-17 | 2002-04-18 | Mayers Felton Rudolph | Production of support for lithographic printing plate |
| CN101864565A (en) * | 2009-04-15 | 2010-10-20 | 梁永东 | Aluminium alloy tinting method adopting ammonium molybdate as main staining reagent |
| CN101994109A (en) * | 2009-08-14 | 2011-03-30 | 比亚迪股份有限公司 | Stainless steel coloring liquid, preparation method and coloring method |
| CN102220578A (en) * | 2011-05-06 | 2011-10-19 | 哈尔滨工业大学（威海） | Chemical oxidation liquid for aluminum alloy |
| CN102851718A (en) * | 2012-09-16 | 2013-01-02 | 江麓机电集团有限公司 | High-precision aluminum alloy valve body surface treatment method |
| CN103993341A (en) * | 2014-05-16 | 2014-08-20 | 常州大学 | Sealing method of aluminum alloy anode oxidized film |
| CN107250435A (en) * | 2015-09-16 | 2017-10-13 | 奥野制药工业株式会社 | Aluminum or aluminum alloy chemical synthesis treatment liquid, formation processing method and chemical conversion envelope |
-
2019
- 2019-04-10 CN CN201910284483.5A patent/CN109811335A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020043168A1 (en) * | 2000-07-17 | 2002-04-18 | Mayers Felton Rudolph | Production of support for lithographic printing plate |
| CN101864565A (en) * | 2009-04-15 | 2010-10-20 | 梁永东 | Aluminium alloy tinting method adopting ammonium molybdate as main staining reagent |
| CN101994109A (en) * | 2009-08-14 | 2011-03-30 | 比亚迪股份有限公司 | Stainless steel coloring liquid, preparation method and coloring method |
| CN102220578A (en) * | 2011-05-06 | 2011-10-19 | 哈尔滨工业大学（威海） | Chemical oxidation liquid for aluminum alloy |
| CN102851718A (en) * | 2012-09-16 | 2013-01-02 | 江麓机电集团有限公司 | High-precision aluminum alloy valve body surface treatment method |
| CN103993341A (en) * | 2014-05-16 | 2014-08-20 | 常州大学 | Sealing method of aluminum alloy anode oxidized film |
| CN107250435A (en) * | 2015-09-16 | 2017-10-13 | 奥野制药工业株式会社 | Aluminum or aluminum alloy chemical synthesis treatment liquid, formation processing method and chemical conversion envelope |
Non-Patent Citations (3)
| Title |
|---|
| 吴小源: "《铝合金型材表面处理技术》", 30 April 2009, 冶金工业出版社 * |
| 曾华梁: "《电镀工艺手册》", 30 April 1989, 机械工业出版社 * |
| 黎樵燊: "《表面工程》", 30 November 2001, 中国科学技术出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507076C (en) | Method of treating magnesium alloy work-piece surface | |
| CN102888644B (en) | Anode treatment method of aluminium alloy | |
| CN104593793B (en) | A kind of aluminium and aluminum alloy surface pre-process neutralizer | |
| WO2012119306A1 (en) | Method for Producing White Anodized Aluminum Oxide | |
| WO2016201935A1 (en) | Method for forming golden yellow film layer on surface of aluminum alloy | |
| US2868679A (en) | Process and compositions for producing aluminum surface conversion coatings | |
| CN101892478B (en) | Aluminium alloy chemically blackening treatment technique and chemically blackening solution used in same | |
| US20110303545A1 (en) | Method for treating surface of magnesium-based metal to give metallic texture thereof | |
| CN102031509A (en) | Chemical coloring method for copper and alloys of copper | |
| CN102732870A (en) | Treating solution for preparing Al-Mo-Mn-Re quaternary composite passivation film on aluminum profile surface and its application method | |
| CN103272749B (en) | Surface treatment method of zinc alloy die casting | |
| KR20090007081A (en) | Conductivity anodizing method | |
| CN103938201B (en) | A kind of high corrosion-resistance black phosphating method | |
| CN101831681B (en) | Method for preparing aluminum alloy colored composite film | |
| CN109811335A (en) | A kind of non-anodic oxide coating manufacture craft applied to five gold surfaces | |
| US3437532A (en) | Dark colored stainless steel surfaces | |
| CN101398125A (en) | Vehicle body material for arrangement vehicle | |
| KR101872436B1 (en) | Surface treated method for enhancing acid-resistance and alkali-resistance of aluminum series matter and aluminum series matter by manufacturing the same | |
| CN104593765A (en) | Corrosion-resistant colored film of austenite thin-wall stainless steel pipe and preparation method of corrosion-resistant colored film | |
| CN104611689A (en) | Chemical oxidation liquid for magnesium alloy | |
| CN112210808B (en) | Preparation method of black film | |
| CN1131705A (en) | Oxidation preparation method for aluminum and aluminum alloy colour porcelain texture | |
| KR100796633B1 (en) | Method for surface treating magnesium metal | |
| CN110205618B (en) | Method for preparing high-hardness film layer on surface of magnesium alloy in short process | |
| CN111118487A (en) | Preparation method of chromium-free anticorrosion surface conversion film for building aluminum profile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190528 |