CN101805896A - Casting surface treatment agent and preparation method thereof - Google Patents
Casting surface treatment agent and preparation method thereof Download PDFInfo
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- CN101805896A CN101805896A CN 201010147481 CN201010147481A CN101805896A CN 101805896 A CN101805896 A CN 101805896A CN 201010147481 CN201010147481 CN 201010147481 CN 201010147481 A CN201010147481 A CN 201010147481A CN 101805896 A CN101805896 A CN 101805896A
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- surface treatment
- casting surface
- treatment agent
- active agent
- carbon atoms
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- 239000012756 surface treatment agent Substances 0.000 title claims abstract description 71
- 238000005266 casting Methods 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004094 surface-active agent Substances 0.000 claims abstract description 20
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 14
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 239000013543 active substance Substances 0.000 claims description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 239000000344 soap Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 150000002632 lipids Chemical class 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 229910003002 lithium salt Inorganic materials 0.000 claims description 4
- 159000000002 lithium salts Chemical class 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 150000003297 rubidium Chemical class 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 claims description 2
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004381 surface treatment Methods 0.000 abstract description 8
- -1 fatty acid salt Chemical class 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 3
- 238000005238 degreasing Methods 0.000 abstract description 2
- 230000009931 harmful effect Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 1
- 239000000194 fatty acid Substances 0.000 abstract 1
- 229930195729 fatty acid Natural products 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000796 flavoring agent Substances 0.000 abstract 1
- 235000019634 flavors Nutrition 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000013504 Triton X-100 Substances 0.000 description 3
- 229920004890 Triton X-100 Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 231100000053 low toxicity Toxicity 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- FVFJGQJXAWCHIE-UHFFFAOYSA-N [4-(bromomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CBr)C=C1 FVFJGQJXAWCHIE-UHFFFAOYSA-N 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229940096992 potassium oleate Drugs 0.000 description 2
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229960002050 hydrofluoric acid Drugs 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001495 sodium tetrafluoroborate Inorganic materials 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WQEVDHBJGNOKKO-UHFFFAOYSA-K vanadic acid Chemical compound O[V](O)(O)=O WQEVDHBJGNOKKO-UHFFFAOYSA-K 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Abstract
The invention relates to a casting surface treatment agent and a preparation method thereof. The invention is characterized in that the casting surface treatment agent comprises the following components in percent by volume: 5 to 30 percent of phosphoric acid, 0.05 to 5.0 percent of fatty acid salt containing 8 to 30 carbon atoms, 10 to 80 percent of monohydric alcohol containing 1 to 3 carbon atoms, 0.025 to 6.0 percent of surface active agents, 0 to 2 percent of essence or pigment and 0 to 60 percent of water. The surface treatment agent of the invention overcomes the defects of strong flavor, harmful effect to human bodies and environment pollution in the prior art. Particularly, the monohydric alcohol in the surface active agent is harmless to human bodies and the environment, in addition, the degreasing and descaling work procedures of the casting surface treatment technology are omitted, castings can be directly treated by the spray coating or soaking technology, in addition, the drying time of the castings after the treatment is short, the appearance of work pieces after the treatment is good, and the invention is more favorable for the subsequent treatment of the casting surface. The preparation of the casting surface treatment agent of the invention can adopt the existing production equipment, and in addition, the method is simple.
Description
Technical field
The present invention relates to a kind of casting surface treatment agent and preparation method thereof, be particularly suitable for the surface treatment of cast iron materials or other ferrous metals materials, belong to field of metal surface treatment.
Background technology
The main purpose of metal finishing is to improve the Corrosion Protection of metallic substance.Utilize simple, safe method to carry out metal finishing, be the target that people pursue always.But the used surface treatment agent of existing surface treatment method contains environmentally harmful material mostly, as cerium Se, chromium Cr, copper Cu, sulphur S etc., and the process of surface treatment more complicated.For example: can be used for the surface treatment agent product (trade mark HH902) of foundry goods blackout in the market, its film component is mainly cerium Se, chromium Cr, copper Cu, sulphur S, iron Fe, oxygen O, and present conventional treatment process comprises oil removing and rust cleaning → spray or floods → dry.Have the problems referred to above equally in the disclosed technology of Chinese patent, for example: CN1139706 disclosed " casting anticorrosion treatment technology of casting corrosion resistant treatment soln and application thereof " adopts to contain vanadic acid sodium NaVO
3Or ammonium vanadate NH
4VO
3Or the hydrochloric acid of the mixture of the two or nitric acid carry out surface treatment as treatment agent to foundry goods, its treatment process is at first handled foundry goods polishing and his-and-hers watches emaciated face fat, again foundry goods is placed corrosion-resistance treatment solution, form the adherance counterdie at cast(ing) surface, clean foundry goods then, on the adherance counterdie of cast(ing) surface, apply erosion shield and dry again; CN101386981 disclosed " corrosion inhibitor and be used for the protection against corrosion technology of metallic surface " is at least a fluoric acid or its anionic solution that adopts one or more elements that comprise phosphoric acid and/or selected among zirconium Zr, titanium Ti, hafnium Hf and silicon Si, and the homopolymerization of vinyl pyrrolidone or multipolymer are as treatment agent.Above-mentioned disclosed two kinds of methods all contain heavy metal element, deep-etching material, and treatment process requires high; CN101130863 disclosed " preparation method of nigrescent phosphatizing solution " is the surface treatment agent that contains materials such as nickelous nitrate, citric acid, Sodium tetrafluoroborate, m-nitro, sodium sulfonate, sodium wolframate; CN1139705 disclosed " normal temperature blackening agent for iron and steel surface ", CN1085606 disclosed " rapid ordinary-temp blacking agent for steel ﹠ iron " utilize to contain the selenium system, under the certain acidity condition, carry out complicated redox reaction and the slowly satisfied blackout of successive precipitin reaction requirement, difficult control of operation and complexity in steel surface; And the surface treatment agent of the phosphoric acid that adopts at present usually, its phosphating process comprises goods polishing → washing → oil removing → washing → rust cleaning → washing → phosphatization → wash → dry, operation is too many.Therefore, be badly in need of the casting surface treatment agent that a kind of low toxicity of exploitation, environmental protection and treatment process are simplified at present.
Summary of the invention
First purpose of the present invention is: provide a kind of low toxicity, environmental protection, treatment process to simplify and the tangible casting surface treatment agent of anticorrosion ability.
The technical scheme that realizes first purpose of the present invention is: a kind of casting surface treatment agent, be characterized in: its component and by volume each components contents of percentage ratio meter is as follows: phosphoric acid 5～30%, the soap 0.05～5.0% that contains 8～30 carbon atoms, the monohydroxy-alcohol 10～80% that contains 1～3 carbon atom, tensio-active agent 0.025～6.0%, essence or pigment 0～2%, water 0～60%.
In the above-mentioned casting surface treatment agent, its component and by volume each components contents of percentage ratio meter is as follows: phosphatase 11 9%, contain the lipid acid fat hydrochlorate 0.8% of 8～30 carbon atoms, contain the monohydroxy-alcohol 50% of 1～3 carbon atom, tensio-active agent 0.2%, water 30%.
In the above-mentioned casting surface treatment agent, described tensio-active agent is one or more among nonionic surface active agent, aniorfic surfactant, the amphoterics.
In the above-mentioned casting surface treatment agent, described tensio-active agent is one or more among nonionic surface active agent OP-10,6503, the TX-10.
In the above-mentioned casting surface treatment agent, the described soap that contains 8～30 carbon atoms is one or more among the sylvite that contains the lipid acid of 8～30 carbon atoms, sodium salt, ammonium salt, lithium salts, the rubidium salt.
In the above-mentioned casting surface treatment agent, the described monohydroxy-alcohol that contains 1～3 carbon atom is one or both among ethanol, the Virahol.
In the above-mentioned casting surface treatment agent, described water is tap water or deionized water or distilled water.
Second purpose of the present invention is: a kind of simple method for preparing low toxicity, environmental protection, treatment process simplification and the tangible casting surface treatment agent of anticorrosion ability is provided.
The technical scheme that realizes second purpose of the present invention is: a kind of preparation method of casting surface treatment agent is characterized in:
1. prepare each component by each component of casting surface treatment agent and content
Each component of casting surface treatment agent and by volume each components contents of percentage ratio meter is as follows: phosphoric acid 5～30%, the soap 0.05～5.0% that contains 8～30 carbon atoms, the monohydroxy-alcohol 10～80% that contains 1～3 carbon atom, tensio-active agent 0.025～6.0%, essence or pigment 0～2%, water 0～60%;
2. concrete operations
A) in container, add the water that 1. 40～50% steps are prepared, be warming up to 65～75 ℃, add earlier the soap that contains 8～30 carbon atoms and be stirred to and mix, add the monohydroxy-alcohol that contains 1～3 carbon atom again and be stirred to and mix;
B) temperature of charge in the container is dropped to 20～30 ℃, adds all the other components and remainder water that 1. step is prepared, be stirred to mix after, leave standstill, filter, promptly make casting surface treatment agent;
Perhaps
A) in container, add the monohydroxy-alcohol that contains 1～3 carbon atom that 1. 40～50% steps are prepared, be warming up to 65～75 ℃, add the soap contain 8～30 carbon atoms and be stirred to and mix;
B) temperature of charge in the container is dropped to 20～30 ℃, all the other components that 1. the adding step is prepared and the remaining monohydroxy-alcohol that contains 1～3 carbon atom leave standstill, filter after being stirred to and mixing, and promptly make casting surface treatment agent.
Among the above-mentioned casting surface treatment agent preparation method, described tensio-active agent is one or more among nonionic surface active agent, aniorfic surfactant, the amphoterics; The described soap that contains 8～30 carbon atoms is one or more among the sylvite that contains the lipid acid of 8～30 carbon atoms, sodium salt, ammonium salt, lithium salts, the rubidium salt; The described monohydroxy-alcohol that contains 1～3 carbon atom is one or both among ethanol, the Virahol; Described water is tap water or deionized water or distilled water.
Among the above-mentioned casting surface treatment agent preparation method, described tensio-active agent is one or more among nonionic surface active agent OP-10,6503, the TX-10.
Technique effect of the present invention is: each component of the casting surface treatment agent of technical solution of the present invention has following advantage: 1. the phosphoric acid in the surface treatment agent has the certain dissolubility energy to iron, thereby satisfy certain requirement of derusting, and phosphoric acid can provide anticorrosion ability at processed surface formation phosphate coating; 2. the monohydroxy-alcohol in the surface treatment agent assists in removing surperficial grease on the one hand, and the volatilization by alcohols material forms the better condition that provides for phosphatize phosphate coat, on the other hand can also accelerate process after the rate of drying of cast(ing) surface, shorten the treatment time; 3. the soap that contains 8～30 carbon atoms in the surface treatment agent, has corrosion inhibition preferably on the one hand, because when they and iron-based matrix are done the time spent, can form one deck adsorption layer at fe-based surface, this layer adsorption layer can stop acidic substance to be invaded, and has hydrophobic interaction owing to contain the carbochain of 8～30 carbon atoms, improved Corrosion Protection again, on the other hand, the soap that contains 8～30 carbon atoms can also provide conditions suitable for phosphatize phosphate coat forms, and guarantees treatment effect; 4. the tensio-active agent in the surface treatment agent provides wetting property preferably for it.Simultaneously, the reasonable ratio of each component of casting surface treatment agent of technical solution of the present invention not only makes the effect of each component be given full play to but also each component also has good synergy.Because surface treatment agent of the present invention does not contain heavy metal element and hazardous solvent, it is heavy therefore also to have overcome existing surface treatment agent smell, and the people is had harm, environment is had the shortcoming of pollution in addition.Particularly the monohydroxy-alcohol in the surface treatment agent is not only harmless to human and environment, and makes the process of surface treatment of foundry goods save degreasing, rust cleaning operation, can directly adopt spraying or impregnation technology to handle, and has simplified the process of surface treatment of foundry goods greatly; And the foundry goods after handling is short time of drying, and it is good to handle back workpiece outward appearance, and formed rete application bonding force is good, can be used as the application pre-treatment.The subsequent disposal that helps cast(ing) surface.
In a word, adopt treatment agent of the present invention to handle foundry goods, can satisfy certain requirement of derusting, and can have the anticorrosion ability rete in the formation of processed surface; This rete application bonding force is good, can be used as the application pre-treatment.
The preparation of casting surface treatment agent of the present invention can be adopted existing equipment, and method is simple.
Embodiment
The invention will be further described below in conjunction with embodiment, but do not constitute any limitation of the invention.
The raw materials used industrial goods that are of each embodiment, and can buy by the commercial channel.
(1) preparation casting surface treatment agent
Embodiment 1
1. prescription sees Table 1
Table 1
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??20 |
| The soap that contains 8～30 carbon atoms | Potassium oleate | ??0.5 |
| The monohydroxy-alcohol that contains 1～3 carbon atom | Ethanol | ??61 |
| Tensio-active agent | ?OP-10 | ??0.5 |
| Essence or pigment | ?/ | ??0 |
| Water | Tap water | ??18 |
Annotate: OP-10 is the trade name of nonionic surface active agent Triton X-100
2. concrete preparation process
A) in container, add the water of 40～50% formula ratios, be warming up to 65～75 ℃, add potassium oleate earlier and stir 0.5～1 hour, add ethanol again and be stirred to and mix to mixing;
B) temperature of charge in the container is dropped to 20～30 ℃, adds phosphoric acid, tensio-active agent OP-10 and remainder water, be stirred to mix after, leave standstill, filter, make the uniform liquid of appearance transparent and be casting surface treatment agent A of the present invention.
Embodiment 2
1. prescription sees Table 2
Table 2
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??19 |
| The soap that contains 8～30 carbon atoms | Sodium oleate | ??0.8 |
| The monohydroxy-alcohol that contains 1～3 carbon atom | Ethanol | ??80 |
| Tensio-active agent | ?6503 | ??0.2 |
| Essence or pigment | ?/ | ??0 |
| Water | ?/ | ??0 |
Annotate: the 6503rd, the trade name of nonionic surface active agent Oleum Cocois alkylol amide phosphate ester salt
2. concrete preparation process
A) in container, add the ethanol of 40～50% formula ratios, be warming up to 65～75 ℃, go into sodium oleate and stir 0.5～1 hour to mixing;
B) temperature of charge in the container is dropped to 20～30 ℃, adds phosphoric acid, tensio-active agent 6503 and remaining ethanol, be stirred to mix after, leave standstill, filter, promptly make casting surface treatment agent B of the present invention.
Embodiment 3
1. prescription sees Table 3
Table 3
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??30 |
| The soap that contains 8～30 carbon atoms | Sodium oleate | ??0.8 |
| The monohydroxy-alcohol that contains 1～3 carbon atom | The ethanol Virahol | ??33??20 |
| Tensio-active agent | Sodium dodecylbenzene sulfonate | ??0.2 |
| Component | Material name | Consumption, volume % |
| Pigment | Light blue | ??0.01 |
| Water | Tap water | ??15.99 |
Annotate: Sodium dodecylbenzene sulfonate is an aniorfic surfactant
2. concrete preparation process
A) in container, add the water of 40～50% formula ratios, be warming up to 65～75 ℃, add sodium oleate earlier and stir 0.5～1 hour, add ethanol and Virahol again and be stirred to and mix to mixing;
B) temperature of charge in the container is dropped to 20～30 ℃, add phosphoric acid, tensio-active agent Sodium dodecylbenzene sulfonate, light blue and remainder water, be stirred to mix after, leave standstill, filter, making outward appearance is that blue transparent and uniform liquid is casting surface treatment agent C of the present invention.
Embodiment 4
1. prescription sees Table 4
Table 4
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??28 |
| The soap that contains 8～30 carbon atoms | Ammonium oleate | ??0.8 |
| The monohydroxy-alcohol that contains 1～3 carbon atom | Ethanol | ??71 |
| Tensio-active agent | ?OP-10 | ??0.2 |
| Essence or pigment | ?/ | ??0 |
| Water | ?/ | ??0 |
Annotate: OP-10 is the trade name of nonionic surface active agent Triton X-100
2. concrete preparation process
A) in container, add the ethanol of 40～50% formula ratios, be warming up to 65～75 ℃, go into ammonium oleate and stir 0.5～1 hour to mixing;
B) temperature of charge in the container is dropped to 20～30 ℃, adds phosphoric acid, tensio-active agent OP-10 and remaining ethanol, be stirred to mix after, leave standstill, filter, promptly make casting surface treatment agent D of the present invention.
Embodiment 5
1. prescription sees Table 5
Table 5
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??19 |
| The soap that contains 8～30 carbon atoms | Sodium oleate | ??0.8 |
| The monohydroxy-alcohol that contains 1～3 carbon atom | Ethanol | ??50 |
| Tensio-active agent | ?6503 | ??0.2 |
| Pigment or essence | ?/ | ??0 |
| Water | Tap water | ??30 |
Annotate: the 6503rd, the trade name of nonionic surface active agent Oleum Cocois alkylol amide phosphate ester salt
2. concrete preparation process
Except that the prescription difference, concrete preparation process is identical with embodiment 1, makes the uniform liquid of appearance transparent and is casting surface treatment agent E of the present invention.
Comparative Examples 1
1. prescription sees Table 6
Table 6
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??19 |
| The soap that contains 8～30 carbon atoms | Sodium oleate | ??0.8 |
| Tensio-active agent | ?OP-10 | ??0.2 |
| Water | Tap water | ??80 |
Annotate: OP-10 is the trade name of nonionic surface active agent Triton X-100
2. concrete preparation process
A) in container, add the water of 40～50% formula ratios, be warming up to 65～75 ℃, add sodium oleate earlier and stir 0.5～1 hour to mixing;
B) temperature of charge in the container is dropped to 20～30 ℃, adds phosphoric acid, tensio-active agent OP-10 and remainder water, be stirred to mix after, leave standstill, filter, make the uniform liquid of appearance transparent and be contrast surface treatment agent 1.
Comparative Examples 2
1. prescription sees Table 7
Table 7
| Component | Material name | Consumption, volume % |
| Phosphoric acid | Phosphoric acid (H 3PO 4Content 85%) | ??28 |
| The soap that contains 8～30 carbon atoms | Sodium oleate | ??0.8 |
| Tensio-active agent | ?OP-10 | ??0.2 |
| Water | Tap water | ??71 |
2. concrete preparation process
Except that the prescription difference, concrete preparation process is identical with Comparative Examples 1, makes the uniform liquid of appearance transparent and is contrast surface treatment agent 2.
(2) casting surface treatment agent Performance Detection of the present invention
Adopt cast iron plate to make model, the casting surface treatment agent 1 and 2 that casting surface treatment agent A～E that makes with embodiment 1～5 and Comparative Examples 1 and 2 make sprays, floods model respectively, detect outward appearance, rust cleaning performance, Corrosion Protection, application sticking power, the indoor storage phase of handling the back model by standard GB 11376-97 " the phosphate conversion film of metal " and GB 6807-86 " phosphorization treatment technology condition before the iron and steel parts japanning " then, the results are shown in table 8.
Table 8
| Test item | Surface treatment agent A | Surface treatment agent B | Surface treatment agent C | Surface treatment agent D | Surface treatment agent E | Surface treatment agent 1 | Surface treatment agent 2 |
| Outward appearance | Greyish black | Greyish black | Greyish black | Greyish white | Greyish black | Greyish white, fall ash | Do not do |
| Rust cleaning property | Better | Better | Good | Good | Good | Good | Good |
| The copper sulfate titration | ??45s | ??35s | ??60s | ??33s | ??52s | ??＜10s | ??/ |
| Application sticking power | One-level | Secondary | One-level | Secondary | One-level | Three grades | ??/ |
| The indoor storage phase | ??＞160h | ??＞100h | ??＞240h | ??＞100h | ??＞200h | ??＜6h | ??/ |
After requiring foundry goods to handle according to routine, the copper sulfate titration variable color time, the longer the better, requires copper sulfate titration＞10s usually; Handle the general indoor storage time ≯ 24h of back foundry goods; Application sticking power requires≤2 grades, and 1 grade is best, and table 8 data show, handle foundry goods with casting surface treatment agent of the present invention after, index of correlation all satisfies and surpasses above-mentioned conventional requirement.Prove treatment agent processing foundry goods of the present invention thus, can satisfy certain requirement of derusting, and can have the anticorrosion ability rete in the formation of processed surface; This rete application bonding force is good, can be used as the application pre-treatment.
Claims (10)
1. casting surface treatment agent, it is characterized in that, its component and by volume each components contents of percentage ratio meter is as follows: phosphoric acid 5～30%, the soap 0.05～5.0% that contains 8～30 carbon atoms, the monohydroxy-alcohol 10～80% that contains 1～3 carbon atom, tensio-active agent 0.025～6.0%, essence or pigment 0～2%, water 0～60%.
2. according to the described casting surface treatment agent of claim 1, it is characterized in that, its component and by volume each components contents of percentage ratio meter is as follows: phosphatase 11 9%, the lipid acid fat hydrochlorate 0.8% that contains 8～30 carbon atoms, the monohydroxy-alcohol 50% that contains 1～3 carbon atom, tensio-active agent 0.2%, water 30%.
3. according to claim 1 or 2 described casting surface treatment agents, it is characterized in that described tensio-active agent is one or more among nonionic surface active agent, aniorfic surfactant, the amphoterics.
4. according to the described casting surface treatment agent of claim 3, it is characterized in that described tensio-active agent is one or more among nonionic surface active agent OP-10,6503, the TX-10.
5. according to claim 1 or 2 described casting surface treatment agents, it is characterized in that the described soap that contains 8～30 carbon atoms is one or more among the sylvite that contains the lipid acid of 8～30 carbon atoms, sodium salt, ammonium salt, lithium salts, the rubidium salt.
6. according to claim 1 or 2 described casting surface treatment agents, it is characterized in that the described monohydroxy-alcohol that contains 1～3 carbon atom is one or both among ethanol, the Virahol.
7. according to claim 1 or 2 described casting surface treatment agents, it is characterized in that described water is tap water or deionized water or distilled water.
8. the preparation method of a casting surface treatment agent is characterized in that,
1. prepare each component by each component concentration of casting surface treatment agent
Each component of casting surface treatment agent and by volume each components contents of percentage ratio meter is as follows: phosphoric acid 5～30%, the soap 0.05～5.0% that contains 8～30 carbon atoms, the monohydroxy-alcohol 10～80% that contains 1～3 carbon atom, tensio-active agent 0.025～6.0%, essence or pigment 0～2%, water 0～60%;
2. concrete operations
A) in container, add the water that 1. 40～50% steps are prepared, be warming up to 65～75 ℃, add earlier the soap that contains 8～30 carbon atoms and be stirred to and mix, add the monohydroxy-alcohol that contains 1～3 carbon atom again and be stirred to and mix;
B) temperature of charge in the container is dropped to 20～30 ℃, all the other components that 1. the adding step is prepared and remainder water leave standstill, filter after being stirred to and mixing, and promptly make casting surface treatment agent;
Perhaps
A) in container, add the monohydroxy-alcohol that contains 1～3 carbon atom that 1. 40～50% steps are prepared, be warming up to 65～75 ℃, add the soap contain 8～30 carbon atoms and be stirred to and mix;
B) temperature of charge in the container is dropped to 20～30 ℃, all the other components that 1. the adding step is prepared and the remaining monohydroxy-alcohol that contains 1～3 carbon atom leave standstill, filter after being stirred to and mixing, and promptly make casting surface treatment agent of the present invention.
9. casting surface treatment agent preparation method according to claim 8 is characterized in that, described tensio-active agent is one or more among nonionic surface active agent, aniorfic surfactant, the amphoterics; The described soap that contains 8～30 carbon atoms is one or more among the sylvite that contains the lipid acid of 8～30 carbon atoms, sodium salt, ammonium salt, lithium salts, the rubidium salt; The described monohydroxy-alcohol that contains 1～3 carbon atom is one or both among ethanol, the Virahol; Described water is tap water or deionized water or distilled water.
10. according to the described casting surface treatment agent preparation method of claim 9, it is characterized in that described tensio-active agent is one or more among nonionic surface active agent OP-10,6503, the TX-10.
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| CN103046038A (en) * | 2012-12-06 | 2013-04-17 | 安徽未来表面技术有限公司 | Room temperature blackening agent suitable for iron casting and method for preparing room temperature blackening agent suitable for iron casting |
| CN103295685A (en) * | 2013-05-30 | 2013-09-11 | 浙江盛洋科技股份有限公司 | Anticorrosion coaxial cable, production method of anticorrosion coaxial cable, special equipment for anticorrosion coaxial cable, and anticorrosion composition for anticorrosion coaxial cable |
| CN105414471A (en) * | 2015-11-30 | 2016-03-23 | 吴江市液铸液压件铸造有限公司 | Surface treating agent for metal die castings |
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