CN102363881A - 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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- CN102363881A CN102363881A CN2011103493026A CN201110349302A CN102363881A CN 102363881 A CN102363881 A CN 102363881A CN 2011103493026 A CN2011103493026 A CN 2011103493026A CN 201110349302 A CN201110349302 A CN 201110349302A CN 102363881 A CN102363881 A CN 102363881A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000000996 additive Effects 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 22
- VWDWKYIASSYTQR-UHFFFAOYSA-N Sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 22
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 22
- KBJMLQFLOWQJNF-UHFFFAOYSA-N Nickel(II) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 21
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 20
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims abstract description 12
- OHORFAFFMDIQRR-UHFFFAOYSA-P Hexafluorosilicic acid Chemical compound [H+].[H+].F[Si-2](F)(F)(F)(F)F OHORFAFFMDIQRR-UHFFFAOYSA-P 0.000 claims abstract description 11
- XMWCXZJXESXBBY-UHFFFAOYSA-L Manganese(II) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 11
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 11
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 11
- 239000011787 zinc oxide Substances 0.000 claims abstract description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 15
- 239000004411 aluminium Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 10
- 235000017550 sodium carbonate Nutrition 0.000 claims description 10
- 229940001516 sodium nitrate Drugs 0.000 claims description 10
- 239000012467 final product Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 101700066261 ash-2 Proteins 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- 239000011656 manganese carbonate Substances 0.000 abstract 1
- 229940093474 manganese carbonate Drugs 0.000 abstract 1
- 235000006748 manganese carbonate Nutrition 0.000 abstract 1
- 239000001187 sodium carbonate Substances 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000007921 spray Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910000989 Alclad Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N Calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000001046 anti-mould Effects 0.000 description 1
- 239000002546 antimould Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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 combination shell body spray-coating of the phosphorization membrane that can on two kinds of metallic surfaces of steel aluminium, generate one deck and metallic matrix mortise simultaneously.
Background technology
Metal all must carry out conversion processing to its surface before spray-coating, make it generate conversion film.Conversion film has porousness, uniform and delicate, and coating penetrates into the sticking power that can effectively increase spray-on coating in the hole, thereby 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 to be immersed in specific acid phosphates such as containing Zn, Ni, Mn, Fe to metallic element be in the salts solution of main body; Add various composite additives simultaneously; Through chemical treatment, has the phosphate conversion film that certain thickness is insoluble in water in the generation of the surface of metallic element.Usually need different phosphatization liquid when carrying out phosphatization for different metal workpiece such as iron and steel, duraluminum, zinc alloy, stainless steels.
Shell body in the past is to adopt shell steel 30CrMnSi and 50CrMnMo fabrication and processing all, so only need use a kind of steel iron phosphatising liquid to get final product during the body phosphatization.Existing shell body front end is that 362mm length is to make with alclad LY-12, and rear end 588mm is long to be to make with shell steel 30CrMnSi and 50CrMnMo, and two kinds of materials of steel aluminium fuse through bonding and compacting.Continue to adopt original steel iron phosphatising agent, just can't generate the phosphorization membrane that reaches the People's Republic of China's weapons industry standard (WJ536-2007) technical requirements on the surface of alclad LY-12.
Summary of the invention
The present invention is in order to solve the above-mentioned technical problem of existing in prior technology, and general phosphorization agent and preparation method before a kind of steel aluminium combination shell body spray-coating of the phosphorization membrane that can on two kinds of metallic surfaces of steel aluminium, generate one deck and metallic matrix mortise simultaneously are provided.
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 said host and No. 1 additive, No. 2 additives is 100:3 ~ 8:13 ~ 19;
The raw material and the mass percent of said host are following:
Phosphoric acid 8 ~ 20%
Normal temperature steel surface processing agent 1 ~ 3%
Zinc oxide 0.5 ~ 2%
Ydrogen peroxide 50 (35%) 0.1 ~ 0.3%
Manganous carbonate (more than 38%) 0.6 ~ 2%
Yellow soda ash 2 ~ 4%
Nickelous nitrate (20%Ni) 4 ~ 7%
Iron nitrate 0.1 ~ 0.2%
Water surplus
The raw material and the mass percent of said No. 1 additive are following:
Silicofluoric acid (40%) 40 ~ 70%
Hydrofluoric acid (50%) 3 ~ 5%
Water surplus
The raw material and the mass percent of said No. 2 additives are following:
SODIUMNITRATE 30 ~ 70%
Water surplus.
The preparation method of general phosphorization agent is characterized in that the host of calculated amount, No. 1 additive and No. 2 additives are mixed before a kind of above-mentioned steel aluminium combination shell body spray-coating;
Said host prepares as follows:
Earlier portion water is joined in the stainless steel cauldron; Start whisking appliance, rotating speed is controlled at 60 ~ 80 commentaries on classics/min, and phosphoric acid and the normal temperature steel surface processing agent with calculated amount joins in the reaction kettle then; Slowly join the zinc oxide thread of calculated amount in the reaction kettle again; Be stirred to transparence, ydrogen peroxide 50, manganous carbonate, yellow soda ash, nickelous nitrate, iron nitrate and the remainder water with calculated amount joins in the reaction kettle successively again, continues to be stirred to be green transparent liquid;
Said No. 1 additive prepares as follows:
The water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 40 ~ 60 commentariess on classics/min, then silicofluoric acid, the hydrofluoric acid of calculated amount is joined successively slowly and continues stirring 30 min in the reaction kettle and get final product;
Said No. 2 additives prepare as follows:
The water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 60 ~ 80 commentaries on classics/min, and the SODIUMNITRATE with calculated amount joins in the reaction kettle slowly then, is stirred to be colourless transparent liquid.
The present invention is a compound of in existing steel iron phosphatising agent, having introduced SiO, has adjusted the concentration of free fluorine simultaneously, has added Fe
+ 3And controlled the mol ratio of compound fluorine and free fluorine, in addition, to component, pH value, anionic character and the H of acid solution character, salt
+Other cationic concentration etc. are all controlled in addition; Each component interaction; Can satisfy two kinds of distinct metals of current potential of steel aluminium simultaneously akin micro-cell corrosion dissolving can take place in solution, thereby guarantee on two kinds of metallic surfaces of steel aluminium, to generate simultaneously the phosphorization membrane of one deck and metallic matrix mortise.
Embodiment
Embodiment 1:
Be made up of host, No. 1 additive and No. 2 additives, the mass ratio of said host and No. 1 additive, No. 2 additives is 100:3:19;
The raw material and the mass percent of said host are following:
Phosphoric acid 20%
Normal temperature steel surface processing agent 1%
Zinc oxide 0.5%
The ydrogen peroxide 50 0.1% of concentration 35%
The manganous carbonate 2% of concentration more than 38%
Yellow soda ash 2%
The nickelous nitrate 4% of concentration 20%
Iron nitrate 0.2%
Water surplus.
The raw material and the mass percent of said No. 1 additive are following:
The silicofluoric acid 40% of concentration 40%
The hydrofluoric acid 5% of concentration 50%
Water surplus
The raw material and the mass percent of said No. 2 additives are following:
SODIUMNITRATE 70%
Water surplus.
The preparation method mixes the host of calculated amount, No. 1 additive and No. 2 additives; Said host prepares as follows: earlier portion water is joined in the stainless steel cauldron; Start whisking appliance, rotating speed is controlled at 60 commentaries on classics/min, and phosphoric acid and the normal temperature steel surface processing agent with calculated amount joins in the reaction kettle then; Slowly join the zinc oxide thread of calculated amount in the reaction kettle again; Be stirred to transparence, ydrogen peroxide 50, manganous carbonate, yellow soda ash, nickelous nitrate, iron nitrate and the remainder water with calculated amount joins in the reaction kettle successively again, continues to be stirred to be green transparent liquid;
Said No. 1 additive prepares as follows: the water of calculated amount is joined in the stainless steel cauldron; Start whisking appliance; Rotating speed is controlled at 40 commentaries on classics/min, then silicofluoric acid, the hydrofluoric acid of calculated amount is joined successively slowly and continues to stir 30 min in the reaction kettle and get final product;
Said No. 2 additives prepare as follows: the water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 60 commentaries on classics/min, and the SODIUMNITRATE with calculated amount joins in the reaction kettle slowly then, is stirred to be colourless transparent liquid.
The raw materials used commercially available prod that is, wherein water gets final product with tap water, and 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 said host and No. 1 additive, No. 2 additives is 100:8:13;
The raw material and the mass percent of said host are following:
Phosphoric acid 8%
Normal temperature steel surface processing agent 3%
Zinc oxide 2%
The ydrogen peroxide 50 0.3% of concentration 35%
The manganous carbonate 0.6% of concentration more than 38%
Yellow soda ash 4%
The nickelous nitrate 7% of concentration 20%
Iron nitrate 0.1%
Water surplus.
The raw material and the mass percent of said No. 1 additive are following:
The silicofluoric acid 70% of concentration 40%
The hydrofluoric acid 3% of concentration 50%
Water surplus
The raw material and the mass percent of said No. 2 additives are following:
SODIUMNITRATE 30%
Water surplus.
The preparation method mixes the host of calculated amount, No. 1 additive and No. 2 additives; Said host prepares as follows: earlier portion water is joined in the stainless steel cauldron; Start whisking appliance, rotating speed is controlled at 80 commentaries on classics/min, and phosphoric acid and the normal temperature steel surface processing agent with calculated amount joins in the reaction kettle then; Slowly join the zinc oxide thread of calculated amount in the reaction kettle again; Be stirred to transparence, ydrogen peroxide 50, manganous carbonate, yellow soda ash, nickelous nitrate, iron nitrate and the remainder water with calculated amount joins in the reaction kettle successively again, continues to be stirred to be green transparent liquid;
Said No. 1 additive prepares as follows: the water of calculated amount is joined in the stainless steel cauldron; Start whisking appliance; Rotating speed is controlled at 60 commentaries on classics/min, then silicofluoric acid, the hydrofluoric acid of calculated amount is joined successively slowly and continues to stir 30 min in the reaction kettle and get final product;
Said No. 2 additives prepare as follows: the water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 80 commentaries on classics/min, and the SODIUMNITRATE with calculated amount joins in the reaction kettle slowly then, is stirred to be 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 said host and No. 1 additive, No. 2 additives is 100:10:16;
The raw material and the mass percent of said host are following:
Phosphatase 11 5%
Normal temperature steel surface processing agent 2%
Zinc oxide 1%
The ydrogen peroxide 50 0.2% of concentration 35%
The manganous carbonate 1.3% of concentration more than 38%
Yellow soda ash 3%
The nickelous nitrate 5% of concentration 20%
Iron nitrate 0.15%
Water surplus.
The raw material and the mass percent of said No. 1 additive are following:
The silicofluoric acid 50% of concentration 40%
The hydrofluoric acid 4% of concentration 50%
Water surplus
The raw material and the mass percent of said No. 2 additives are following:
SODIUMNITRATE 50%
Water surplus.
The preparation method mixes the host of calculated amount, No. 1 additive and No. 2 additives; Said host prepares as follows: earlier portion water is joined in the stainless steel cauldron; Start whisking appliance, rotating speed is controlled at 70 commentaries on classics/min, and phosphoric acid and the normal temperature steel surface processing agent with calculated amount joins in the reaction kettle then; Slowly join the zinc oxide thread of calculated amount in the reaction kettle again; Be stirred to transparence, ydrogen peroxide 50, manganous carbonate, yellow soda ash, nickelous nitrate, iron nitrate and the remainder water with calculated amount joins in the reaction kettle successively again, continues to be stirred to be green transparent liquid;
Said No. 1 additive prepares as follows: the water of calculated amount is joined in the stainless steel cauldron; Start whisking appliance; Rotating speed is controlled at 50 commentaries on classics/min, then silicofluoric acid, the hydrofluoric acid of calculated amount is joined successively slowly and continues to stir 30 min in the reaction kettle and get final product;
Said No. 2 additives prepare as follows: the water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 70 commentaries on classics/min, and the SODIUMNITRATE with calculated amount joins in the reaction kettle slowly then, is stirred to be colourless transparent liquid.
Raw material sources are with embodiment 1.
Effect:
The technical process that the embodiment of the invention 1,2,3 is applied on the automatic spray production line is:
Spraying preparatory degreasing → spray degreasing → spray washing → spray washing → spray table accent → spray phosphatization → spray washing → spray pure water washes → dries → the automatic spray-coating of static.
Wherein spray phosphatization and adopt phosphatization work tank liquor of the present invention: press adding 100Kg host in the work nest; Add No. 1 additive and No. 2 additives of calculated amount again, add water again to 1000L, 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 ℃, spray time: 1.5 ~ 3min.
Result: phosphorization membrane outward appearance, the thicknesses of layers of two kinds of materials of steel aluminium; 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, anti-mould test, weather resisteant test, hot resistance test and salt-fog resistant test be the technical qualification requirement through WJ536-2007, WJ1536-2007 and GB/T9792-2003 standard code all.
Claims (2)
1. general phosphorization agent before the 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 said host and No. 1 additive, No. 2 additives is 100:3 ~ 8:13 ~ 19;
The raw material and the mass percent of said host are following:
Phosphoric acid 8 ~ 20%
Normal temperature steel surface processing agent 1 ~ 3%
Zinc oxide 0.5 ~ 2%
Ydrogen peroxide 50 (35%) 0.1 ~ 0.3%
Manganous carbonate (more than 38%) 0.6 ~ 2%
Yellow soda ash 2 ~ 4%
Nickelous nitrate (20%Ni) 4 ~ 7%
Iron nitrate 0.1 ~ 0.2%
Water surplus
The raw material and the mass percent of said No. 1 additive are following:
Silicofluoric acid (40%) 40 ~ 70%
Hydrofluoric acid (50%) 3 ~ 5%
Water surplus
The raw material and the mass percent of said No. 2 additives are following:
SODIUMNITRATE 30 ~ 70%
Water surplus.
2. the preparation method of general phosphorization agent before the steel aluminium combination shell body spray-coating according to claim 1 is characterized in that the host of calculated amount, No. 1 additive and No. 2 additives are mixed;
Said host prepares as follows:
Earlier portion water is joined in the stainless steel cauldron; Start whisking appliance, rotating speed is controlled at 60 ~ 80 commentaries on classics/min, and phosphoric acid and the normal temperature steel surface processing agent with calculated amount joins in the reaction kettle then; Slowly join the zinc oxide thread of calculated amount in the reaction kettle again; Be stirred to transparence, ydrogen peroxide 50, manganous carbonate, yellow soda ash, nickelous nitrate, iron nitrate and the remainder water with calculated amount joins in the reaction kettle successively again, continues to be stirred to be green transparent liquid;
Said No. 1 additive prepares as follows:
The water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 40 ~ 60 commentariess on classics/min, then silicofluoric acid, the hydrofluoric acid of calculated amount is joined successively slowly and continues stirring 30 min in the reaction kettle and get final product;
Said No. 2 additives prepare as follows:
The water of calculated amount is joined in the stainless steel cauldron, start whisking appliance, rotating speed is controlled at 60 ~ 80 commentaries on classics/min, and the SODIUMNITRATE with calculated amount joins in the reaction kettle slowly then, is stirred to be colourless transparent liquid.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276386A (en) * | 2013-05-06 | 2013-09-04 | 大庆宝丰科技有限公司 | Chromium-free environment-friendly passivator for brass cartridge case of cartridge and preparation method |
| CN103276384A (en) * | 2013-05-06 | 2013-09-04 | 大庆宝丰科技有限公司 | General type metal ceramic coating treating agent and preparation method thereof |
| CN106222640A (en) * | 2016-08-31 | 2016-12-14 | 立邦涂料（重庆）化工有限公司 | A kind of low temperature low slag bonderite and preparation method thereof |
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| Title |
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| 庞留洋: "钢铝复合构件的磷化", 《腐蚀与防护》 * |
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| CN103276384A (en) * | 2013-05-06 | 2013-09-04 | 大庆宝丰科技有限公司 | General type metal ceramic coating treating agent and preparation method thereof |
| 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 |
| CN106222640A (en) * | 2016-08-31 | 2016-12-14 | 立邦涂料（重庆）化工有限公司 | A kind of low temperature low slag bonderite and preparation method thereof |
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| CN102363881B (en) | 2015-02-04 |
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