CN102363881B - General bonderite used before spray coating of steel and aluminum combined shell body, and preparation method of general bonderite - Google Patents
General bonderite used before spray coating of steel and aluminum combined shell body, and preparation method of general bonderite Download PDFInfo
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- CN102363881B CN102363881B CN201110349302.6A CN201110349302A CN102363881B CN 102363881 B CN102363881 B CN 102363881B CN 201110349302 A CN201110349302 A CN 201110349302A CN 102363881 B CN102363881 B CN 102363881B
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Abstract
The invention discloses general bonderite which is used before spray coating of a steel and aluminum combined shell body and by which phosphating films can be generated on the surfaces of steel and aluminum at the same time, and a preparation method of the general bonderite. The general bonderite is prepared by mixing a main agent, an additive No.1 and an additive No.2; the mass ratio of the main agent, the additive No.1 to the additive No.2 is 100:(3-8):(13-19); the main agent is prepared from the following raw materials in percentage by mass: 8 to 20 percent of phosphoric acid, 1 to 3 percent of room-temperature steel surface treatment agent, 0.5 to 2 percent of zinc oxide, 0.1 to 0.3 percent of 35 percent hydrogen peroxide, 0.6 to 2 percent of over 38 percent manganese carbonate, 2 to 4 percent of sodium carbonate, 4 to 7 percent of nickel nitrate of which Ni content is 20 percent, 0.1 to 0.2 percent of ferric nitrate and the balance of water; the additive No.1 is prepared from the following raw materials in percentage by mass: 40 to 70 percent of 40 percent silicofluoric acid, 3 to 5 percent of 50 percent hydrofluoric acid and the balance of water; and the additive No.2 is prepared from the following raw materials in percentage by mass: 30 to 70 percent of sodium nitrate and the balance of water.
Description
Technical field
The present invention relates to general phosphorization agent and preparation method before a kind of metal spraying application, general phosphorization agent and preparation method before especially a kind of steel aluminium that simultaneously can generate the phosphorization membrane of one deck and metallic matrix mortise on steel aluminium two kinds of metallic surfaces combines shell body spray-coating.
Background technology
Metal all must carry out conversion processing to its surface before spray-coating, makes it generate conversion film.Conversion film has porousness, uniform and delicate, and coating penetrates into the sticking power that effectively can increase spray-on coating in hole, thus improves the solidity to corrosion of metal.Conversion film comprises phosphatize phosphate coat, passive film, organic membrane, rare-earth conversion coatings and colloidal sol silane film etc., wherein phosphatize phosphate coat is that it is in the salts solution of main body that metallic element is immersed in containing the specific acid phosphate such as Zn, Ni, Mn, Fe, add various composite additive simultaneously, through chemical treatment, at the Surface Creation of metallic element, there is the phosphate conversion film that certain thickness is insoluble in water.Usually different Phosphating Solutions is needed when phosphatization is carried out for different metal workpiece such as iron and steel, aluminium alloy, zinc alloy, stainless steels.
Shell body is in the past all adopt shell steel 30CrMnSi and 50CrMnMo to make processing, so only need use a kind of steel iron phosphatising liquid during body phosphatization.Existing shell body front end is 362mm length is manufacture with duralumin LY-12, and 588mm length in rear end manufactures with shell steel 30CrMnSi and 50CrMnMo, and steel aluminium two kinds of materials are connected by boning and suppressing.Continue to adopt original steel iron phosphatising agent, just cannot reach the phosphorization membrane of People's Republic of China's weapons industry standard (WJ536-2007) technical requirements at the Surface Creation of duralumin LY-12.
Summary of the invention
The present invention is the above-mentioned technical problem in order to solve existing for prior art, general phosphorization agent and preparation method before providing a kind of steel aluminium that simultaneously can generate the phosphorization membrane of one deck and metallic matrix mortise on steel aluminium two kinds of metallic surfaces to combine shell body spray-coating.
Technical solution of the present invention is: general phosphorization agent before a kind of steel aluminium combination shell body spray-coating, it is characterized in that being made up of host, No. 1 additive and No. 2 additives, the mass ratio of described host and No. 1 additive, No. 2 additives is 100:3 ~ 8:13 ~ 19;
Raw material and the mass percent of described host are as follows:
Phosphoric acid 8 ~ 20%
Normal temperature steel surface processing agent 1 ~ 3%
Zinc oxide 0.5 ~ 2%
Hydrogen peroxide (35%) 0.1 ~ 0.3%
Manganous carbonate (more than 38%) 0.6 ~ 2%
Sodium carbonate 2 ~ 4%
Nickelous nitrate (20%Ni) 4 ~ 7%
Iron nitrate 0.1 ~ 0.2%
Water surplus
Raw material and the mass percent of described No. 1 additive are as follows:
Silicofluoric acid (40%) 40 ~ 70%
Hydrofluoric acid (50%) 3 ~ 5%
Water surplus
Raw material and the mass percent of described No. 2 additives are as follows:
SODIUMNITRATE 30 ~ 70%
Water surplus.
Before above-mentioned steel aluminium combination shell body spray-coating, a preparation method for general phosphorization agent, is characterized in that the host of calculated amount, No. 1 additive and No. 2 additives to mix;
Described host is prepared as follows:
First part water is joined in stainless steel cauldron, start agitator, rotating speed controls at 60 ~ 80 turns/min, then the phosphoric acid of calculated amount and normal temperature steel surface processing agent are joined in reactor, again the zinc oxide thread of calculated amount is joined in reactor slowly, be stirred to transparence, then the hydrogen peroxide of calculated amount, manganous carbonate, sodium carbonate, nickelous nitrate, iron nitrate and remaining water are joined in reactor successively, continue to be stirred in green transparent liquid;
Described No. 1 additive is prepared as follows:
Join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls at 40 ~ 60 turns/min, then the silicofluoric acid of calculated amount, hydrofluoric acid is slowly joined in reactor successively and continues stirring 30 min;
Described No. 2 additives are prepared as follows:
Join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls, at 60 ~ 80 turns/min, then the SODIUMNITRATE of calculated amount slowly to be joined in reactor, be stirred in colourless transparent liquid.
The present invention is the compound introducing SiO in existing steel iron phosphatising agent, have adjusted the concentration of free fluorine simultaneously, with the addition of Fe
+ 3and control the mol ratio of compound fluorine and free fluorine, in addition, to character and the H of the component of acid solution character, salt, pH value, negatively charged ion
+other cationic concentration etc. are all controlled in addition, each component interaction, steel aluminium two kinds of distinct metals of current potential can be met simultaneously the dissolving of akin micro-cell corrosion can occur in the solution, thus ensure that the phosphorization membrane simultaneously generating one deck and metallic matrix mortise on steel aluminium two kinds of metallic surfaces.
Embodiment
Embodiment 1:
Be made up of host, No. 1 additive and No. 2 additives, the mass ratio of described host and No. 1 additive, No. 2 additives is 100:3:19;
Raw material and the mass percent of described host are as follows:
Phosphoric acid 20%
Normal temperature steel surface processing agent 1%
Zinc oxide 0.5%
The hydrogen peroxide 0.1% of concentration 35%
The manganous carbonate 2% of concentration more than 38%
Sodium carbonate 2%
The nickelous nitrate 4% of concentration 20%
Iron nitrate 0.2%
Water surplus.
Raw material and the mass percent of described No. 1 additive are as follows:
The silicofluoric acid 40% of concentration 40%
The hydrofluoric acid 5% of concentration 50%
Water surplus
Raw material and the mass percent of described No. 2 additives are as follows:
SODIUMNITRATE 70%
Water surplus.
Preparation method is by the host of calculated amount, No. 1 additive and No. 2 additives mix, described host is prepared as follows: first join in stainless steel cauldron by part water, start agitator, rotating speed controls at 60 turns/min, then the phosphoric acid of calculated amount and normal temperature steel surface processing agent are joined in reactor, again the zinc oxide thread of calculated amount is joined in reactor slowly, be stirred to transparence, again by the hydrogen peroxide of calculated amount, manganous carbonate, sodium carbonate, nickelous nitrate, iron nitrate and remaining water join in reactor successively, continue to be stirred in green transparent liquid,
Described No. 1 additive is prepared as follows: join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls at 40 turns/min, then the silicofluoric acid of calculated amount, hydrofluoric acid is slowly joined in reactor successively and continues stirring 30 min;
Described No. 2 additives are prepared as follows: join in stainless steel cauldron by the water of calculated amount, and start agitator, rotating speed controls, at 60 turns/min, then the SODIUMNITRATE of calculated amount slowly to be joined in reactor, be stirred in colourless transparent liquid.
Raw materials usedly be commercially available prod, wherein water tap water, normal temperature steel surface processing agent (SP-12) is Dalian Sandaaoke Chemistry Co., Ltd.'s product.
Embodiment 2:
Be made up of host, No. 1 additive and No. 2 additives, the mass ratio of described host and No. 1 additive, No. 2 additives is 100:8:13;
Raw material and the mass percent of described host are as follows:
Phosphoric acid 8%
Normal temperature steel surface processing agent 3%
Zinc oxide 2%
The hydrogen peroxide 0.3% of concentration 35%
The manganous carbonate 0.6% of concentration more than 38%
Sodium carbonate 4%
The nickelous nitrate 7% of concentration 20%
Iron nitrate 0.1%
Water surplus.
Raw material and the mass percent of described No. 1 additive are as follows:
The silicofluoric acid 70% of concentration 40%
The hydrofluoric acid 3% of concentration 50%
Water surplus
Raw material and the mass percent of described No. 2 additives are as follows:
SODIUMNITRATE 30%
Water surplus.
Preparation method is by the host of calculated amount, No. 1 additive and No. 2 additives mix, described host is prepared as follows: first join in stainless steel cauldron by part water, start agitator, rotating speed controls at 80 turns/min, then the phosphoric acid of calculated amount and normal temperature steel surface processing agent are joined in reactor, again the zinc oxide thread of calculated amount is joined in reactor slowly, be stirred to transparence, again by the hydrogen peroxide of calculated amount, manganous carbonate, sodium carbonate, nickelous nitrate, iron nitrate and remaining water join in reactor successively, continue to be stirred in green transparent liquid,
Described No. 1 additive is prepared as follows: join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls at 60 turns/min, then the silicofluoric acid of calculated amount, hydrofluoric acid is slowly joined in reactor successively and continues stirring 30 min;
Described No. 2 additives are prepared as follows: join in stainless steel cauldron by the water of calculated amount, and start agitator, rotating speed controls, at 80 turns/min, then the SODIUMNITRATE of calculated amount slowly to be joined in reactor, be stirred in colourless transparent liquid.
Raw material sources are with embodiment 1.
Embodiment 3:
Be made up of host, No. 1 additive and No. 2 additives, the mass ratio of described host and No. 1 additive, No. 2 additives is 100:10:16;
Raw material and the mass percent of described host are as follows:
Phosphatase 11 5%
Normal temperature steel surface processing agent 2%
Zinc oxide 1%
The hydrogen peroxide 0.2% of concentration 35%
The manganous carbonate 1.3% of concentration more than 38%
Sodium carbonate 3%
The nickelous nitrate 5% of concentration 20%
Iron nitrate 0.15%
Water surplus.
Raw material and the mass percent of described No. 1 additive are as follows:
The silicofluoric acid 50% of concentration 40%
The hydrofluoric acid 4% of concentration 50%
Water surplus
Raw material and the mass percent of described No. 2 additives are as follows:
SODIUMNITRATE 50%
Water surplus.
Preparation method is by the host of calculated amount, No. 1 additive and No. 2 additives mix, described host is prepared as follows: first join in stainless steel cauldron by part water, start agitator, rotating speed controls at 70 turns/min, then the phosphoric acid of calculated amount and normal temperature steel surface processing agent are joined in reactor, again the zinc oxide thread of calculated amount is joined in reactor slowly, be stirred to transparence, again by the hydrogen peroxide of calculated amount, manganous carbonate, sodium carbonate, nickelous nitrate, iron nitrate and remaining water join in reactor successively, continue to be stirred in green transparent liquid,
Described No. 1 additive is prepared as follows: join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls at 50 turns/min, then the silicofluoric acid of calculated amount, hydrofluoric acid is slowly joined in reactor successively and continues stirring 30 min;
Described No. 2 additives are prepared as follows: join in stainless steel cauldron by the water of calculated amount, and start agitator, rotating speed controls, at 70 turns/min, then the SODIUMNITRATE of calculated amount slowly to be joined in reactor, be stirred in colourless transparent liquid.
Raw material sources are with embodiment 1.
Effect:
The embodiment of the present invention 1,2,3 technical process be applied on automatic spray production line is:
Spraying pre-degreasing → spray degreasing → spray washing → spray washing → spray table adjusts → sprays phosphatization → spray washing → spray pure water to wash → dry → electrostatic automatic coating application.
Wherein spray phosphatization and adopt phosphatization work tank liquor of the present invention: by adding 100Kg host in work nest, add No. 1 additive and No. 2 additives of calculated amount again, add water 1000L again, its processing parameter is: total acidity: 20 ~ 26Pt, free acidity: 0.4 ~ 1.6 Pt, promoter concentration: 1.5 ~ 4.5 Pt, temperature: 35 ~ 50 DEG C, spray time: 1.5 ~ 3min.
Result: phosphorization membrane outward appearance, the thicknesses of layers of steel aluminium two kinds of materials, film quality, the erosion resistance of mill layer, the dryness bonding force of spray-coating enamelled coating, shock test, drawing test, pliability test, flexibility test, resistance to mould test, weather resisteant test, hot resistance test and salt-fog resistant test are all by technical qualification requirement that WJ536-2007, WJ1536-2007 and GB/T9792-2003 standard specifies.
Claims (2)
1. a general phosphorization agent before steel aluminium combination shell body spray-coating, is characterized in that being made up of host, No. 1 additive and No. 2 additives, and the mass ratio of described host and No. 1 additive, No. 2 additives is 100:3 ~ 8:13 ~ 19;
Raw material and the mass percent of described host are as follows:
Phosphoric acid 8 ~ 20%
Dalian Sandaaoke Chemistry Co., Ltd.
Production model is SP-12's
Normal temperature steel surface processing agent 1 ~ 3%
Zinc oxide 0.5 ~ 2%
The hydrogen peroxide 0.1 ~ 0.3% of concentration 35%
The manganous carbonate 0.6 ~ 2% of concentration more than 38%
Sodium carbonate 2 ~ 4%
The nickelous nitrate 4 ~ 7% of concentration 20%
Iron nitrate 0.1 ~ 0.2%
Water surplus
Raw material and the mass percent of described No. 1 additive are as follows:
The silicofluoric acid 40 ~ 70% of concentration 40%
The hydrofluoric acid 3 ~ 5% of concentration 50%
Water surplus
Raw material and the mass percent of described No. 2 additives are as follows:
SODIUMNITRATE 30 ~ 70%
Water surplus.
2. the preparation method of general phosphorization agent before steel aluminium combination shell body spray-coating as claimed in claim 1, is characterized in that the host of calculated amount, No. 1 additive and No. 2 additives to mix;
Described host is prepared as follows:
First part water is joined in stainless steel cauldron, start agitator, rotating speed controls at 60 ~ 80 turns/min, then the phosphoric acid of calculated amount and normal temperature steel surface processing agent are joined in reactor, again the zinc oxide thread of calculated amount is joined in reactor slowly, be stirred to transparence, then the hydrogen peroxide of calculated amount, manganous carbonate, sodium carbonate, nickelous nitrate, iron nitrate and remaining water are joined in reactor successively, continue to be stirred in green transparent liquid;
Described No. 1 additive is prepared as follows:
Join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls at 40 ~ 60 turns/min, then the silicofluoric acid of calculated amount, hydrofluoric acid is slowly joined in reactor successively and continues stirring 30 min;
Described No. 2 additives are prepared as follows:
Join in stainless steel cauldron by the water of calculated amount, start agitator, rotating speed controls, at 60 ~ 80 turns/min, then the SODIUMNITRATE of calculated amount slowly to be joined in reactor, be stirred in colourless transparent liquid.
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| CN201110349302.6A CN102363881B (en) | 2011-11-08 | 2011-11-08 | General bonderite used before spray coating of steel and aluminum combined shell body, and preparation method of general bonderite |
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| CN201110349302.6A CN102363881B (en) | 2011-11-08 | 2011-11-08 | General bonderite used before spray coating of steel and aluminum combined shell body, and preparation method of general bonderite |
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| CN102363881B true CN102363881B (en) | 2015-02-04 |
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| CN103276386B (en) * | 2013-05-06 | 2015-11-11 | 大庆宝丰科技有限公司 | Brass artillery shell chromium-free environment-friendly type passivator and preparation method |
| CN103276384B (en) * | 2013-05-06 | 2015-12-09 | 大庆宝丰科技有限公司 | Universal metal vitrification epithelium treatment agent and preparation method |
| CN106222640B (en) * | 2016-08-31 | 2018-09-11 | 立邦涂料（重庆）化工有限公司 | Low slag bonderite of a kind of low temperature and preparation method thereof |
| CN115961274A (en) * | 2022-12-27 | 2023-04-14 | 沈阳帕卡濑精有限总公司 | Based on Zn 2+ /PO4 3- Balanced aluminum-containing material phosphating process |
Citations (4)
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|---|---|---|---|---|
| US5238506A (en) * | 1986-09-26 | 1993-08-24 | Chemfil Corporation | Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating |
| CN101063199A (en) * | 2006-04-24 | 2007-10-31 | 宋晨玮 | Phosphating liquor of manganses series |
| CN101665936A (en) * | 2009-09-27 | 2010-03-10 | 大连三达奥克化学股份有限公司 | Normal-temperature phosphating agent for pre-processing before spray-coating of steel plate workpiece and preparation method thereof |
| CN101671823A (en) * | 2009-09-27 | 2010-03-17 | 大连三达奥克化学股份有限公司 | Barrel plating phosphating agent before coating electrophoresis of cartridge case and preparation method thereof |
-
2011
- 2011-11-08 CN CN201110349302.6A patent/CN102363881B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| US5238506A (en) * | 1986-09-26 | 1993-08-24 | Chemfil Corporation | Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating |
| CN101063199A (en) * | 2006-04-24 | 2007-10-31 | 宋晨玮 | Phosphating liquor of manganses series |
| CN101665936A (en) * | 2009-09-27 | 2010-03-10 | 大连三达奥克化学股份有限公司 | Normal-temperature phosphating agent for pre-processing before spray-coating of steel plate workpiece and preparation method thereof |
| CN101671823A (en) * | 2009-09-27 | 2010-03-17 | 大连三达奥克化学股份有限公司 | Barrel plating phosphating agent before coating electrophoresis of cartridge case and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 钢铝复合构件的磷化;庞留洋;《腐蚀与防护》;20091130;第30卷(第11期);第830－832页 * |
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Address after: 116000 No.51 Qinglong Street, Longtou branch, high tech Industrial Park, Shahekou District, Dalian City, Liaoning Province Patentee after: Dalian Sandaoke Chemistry Co., Ltd. Address before: 116000 No. 99 students Road, hi tech park, Liaoning, Dalian Patentee before: Dalian Sanda Oak Chemical Co., Ltd. |
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