CN102977773B - Modified silane surface pretreating agent containing polyving akohol and preparation method of modified silane surface pretreating agent - Google Patents
Modified silane surface pretreating agent containing polyving akohol and preparation method of modified silane surface pretreating agent Download PDFInfo
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- CN102977773B CN102977773B CN201210510375.3A CN201210510375A CN102977773B CN 102977773 B CN102977773 B CN 102977773B CN 201210510375 A CN201210510375 A CN 201210510375A CN 102977773 B CN102977773 B CN 102977773B
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- 238000002360 preparation method Methods 0.000 title claims description 11
- 150000004756 silanes Chemical class 0.000 title abstract 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 16
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000077 silane Inorganic materials 0.000 claims abstract description 10
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000000839 emulsion Substances 0.000 claims abstract description 8
- JLRJWBUSTKIQQH-UHFFFAOYSA-K lanthanum(3+);triacetate Chemical compound [La+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JLRJWBUSTKIQQH-UHFFFAOYSA-K 0.000 claims abstract description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 30
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 21
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 11
- 238000012986 modification Methods 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 238000004381 surface treatment Methods 0.000 claims description 9
- LWHQXUODFPPQTL-UHFFFAOYSA-M sodium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound [Na+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LWHQXUODFPPQTL-UHFFFAOYSA-M 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- -1 alkenyl imidazoline Chemical compound 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 150000002191 fatty alcohols Chemical class 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- ZQOXGRIKWKXDIJ-UHFFFAOYSA-M sodium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZQOXGRIKWKXDIJ-UHFFFAOYSA-M 0.000 abstract 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002444 silanisation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- LFRJGOFQPHQKKA-UHFFFAOYSA-N [Na].OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F Chemical compound [Na].OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LFRJGOFQPHQKKA-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
- Laminated Bodies (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a modified silane surface pretreating agent containing polyving akohol. The modified silane surface pretreating agent is prepared from the following raw material components in parts by weight: 100 parts of deionized water, 11-14 parts of modified coupling agent, 10-15 parts of methanol, 20-30 parts of silane coupling agent 858, 30-40 parts of silane coupling agent KH-560, 1-2 parts of dicumyl peroxide, 0.002-0.003 part of sodium perfluorooctanesulfonate, 0.3-0.5 part of tree ash, 4-6 parts of styrene-acrylic emulsion, 2-3 parts of polyving akohol, 0.8-1.2 parts of fatty alcohol polyoxyethylene ether, 0.05-0.1 part of lanthanum triacetate and 0.1-0.3 part of acetic acid. The final product is obtained through modifying by using the coupling agent, compounding, adding additives, distributing, mixing and reacting. The modified silane surface pretreating agent provided by the invention has the characteristics of no toxicity, environment friendliness, convenience in use, compact and uniform silane membrane, strong adhesion and high corrosion resistance property.
Description
Technical field
The present invention relates to metal conditioner technology, be specifically related to a kind of modified silanized surface treatment pretreating reagent containing polyvinyl alcohol and preparation method thereof.
Background technology
The corrosion of metallic substance all occurs all the time around us.About there is every year the metallic substance of 10% according to statistics for corrosion and cannot reclaiming, this not only causes the huge waste of metals resources, also serious threat is brought to normal production and personnel safety, carrying out surface treatment to metallic substance is a kind of conventional anti-corrosion method, is parco-lubrizing at present for coated metal pre-treatment main method.But traditional metal surface treating method also exists because having the problems such as pollution containing hazardous and noxious substances to environment, has been not suitable for the environmental requirement that human society is more and more higher.
Metallic substance, after phosphatization, can strengthen the sticking power between metallic matrix and coating, improves corrosion resistance nature.Bonderizing no doubt has plurality of advantages, but also there is the drawback that much himself cannot overcome: in etching solution, all contain the objectionable impurities such as phosphoric acid salt and heavy metal, and in treating processes, all more or less can produce sediment and obnoxious flavour, what impact was produced normally carries out, and the waste water COD of discharge and heavy metal will endanger environment if do not entered environmental protection treatment; In addition, bonderizing major part need be carried out under the condition of heating, and energy consumption is comparatively large, complex process, and operation is also inconvenient.Along with the development and progression of society, people are also more and more high to the requirement of coated metal prefinished products, not only wish that its self performance is excellent, more wish that it can meet growing environmental protection needs, HUMAN HEALTH requires and resources conservation requirement.These drawbacks of conventional phosphatizing process just seriously govern further developing and application of it.So people hope and can develop a kind of brand-new treatment process, while it can keep conventional phosphatizing treatment process advantage, can accomplish that again technique is simple, environmental protection, comprehensive cost is low.
Silanization treatment has following multiple advantage compared with conventional phosphatizing: without harmful heavy metal ions, not phosphorous, without the need to heating.Silane treatment process does not produce sediment, and the treatment time is short, controls easy.Treatment step is few, and can save table and adjust operation, tank liquor is reusable.The sticking power of effective raising paint to base material.Can the multiple base material such as collineation processing iron plate, galvanized sheet, aluminium sheet.But with regard to current domestic technique, not very ripe, in the type selecting of especially silane and auxiliary agent, also have a lot of not enough place.
Metallic surface silanization process has broad application prospects, but silane film formed by prior art exists that corrosion resistance is strong, film forming is uneven, do not possess the defect such as " selfreparing " performance or " selfreparing " poor performance, limits its development.
Summary of the invention
The invention discloses a kind of modified silanized surface treatment pretreating reagent containing polyvinyl alcohol and preparation method thereof.
The technical solution used in the present invention is as follows:
A kind of modified silanized surface treatment pretreating reagent containing polyvinyl alcohol, it is characterized in that, be made up of the feed composition of following weight part: deionized water 100, modification coupling agent 11-14, methyl alcohol 10-15, silane coupling agent 858 20-30, silane coupling agent KH-560 30-40, dicumyl peroxide 1-2, perfluoro octyl sulfonic acid sodium 0.002-0.003, tree ash 0.3-0.5, benzene emulsion 4-6, polyvinyl alcohol 2-3, fatty alcohol-polyoxyethylene ether 0.8-1.2, lanthanum acetate 0.05-0.1, acetic acid 0.1-0.3.
Described a kind of modified silanized surface treatment pretreating reagent containing polyvinyl alcohol, it is characterized in that, be made up of the feed composition of following weight part: deionized water 100, modification coupling agent 13, methyl alcohol 14, silane coupling agent 858 25, silane coupling agent KH-560 35, dicumyl peroxide 1.5, Sodium perfluorooctanoate 0.0025, tree ash 0.4, benzene emulsion 5, polyvinyl alcohol 2, fatty alcohol-polyoxyethylene ether 0.9, lanthanum acetate 0.05, acetic acid 0.25.
The preparation method of the described modified silanized surface treatment pretreating reagent containing polyvinyl alcohol, is characterized in that, comprise the following steps:
(1) modification coupling agent preparation
Water-soluble nanoscale silica sol is added 4-5% nano zinc powder, 3-5% ferric oxide, 4-6%2-aminoethyl 17 alkenyl imidazoline, be mixed and heated to 90-110 DEG C, cool after 20-30 minute;
(2) in stirring tank, silane coupling agent 858 is first added by formula rate amount, then dicumyl peroxide is added, after stirring 3-4 minute with the speed of 200-300rpm, add silane coupling agent KH-560 again, after stirring 3-5 minute with the speed of 300-400rpm, Sodium perfluorooctanoate and tree ash are added wherein, at room temperature with under the condition of protection of inert gas, stir 30-40 minute with the speed of 350-450rpm again, obtain built up silane couple A;
(3) by formula rate, deionized water is injected stirring tank, under whipped state, the modification coupling agent that step (1) is obtained is added in still, stir after 1-2 minute, add methyl alcohol again, continue to stir after 2-3 minute, then add benzene emulsion, stir 5-6 minute, obtain mixing solutions B, stirring velocity is 2000 ~ 2500rpm;
(4) mixed by A and B, then add polyvinyl alcohol, fatty alcohol-polyoxyethylene ether, acetic acid successively, under whipped state, isothermal reaction under 50-60 DEG C of condition, filters and obtains mixed solution C;
(5) finally add lanthanum acetate, stir after 10-15 minute, obtain the finished product.
Use temperature: normal temperature, the treatment time: 3 ~ 5 minutes (drill traverse) 1 ~ 3 minute (spray)
Working liquid ph: 4.5-5.5, working concentration: 3-5%
Beneficial effect of the present invention:
The present invention is by the modification of coupling agent and composite, overcome silane film in prior art and there is the shortcoming that corrosion resistance is not strong, film forming is uneven, the present invention is by regulating formula materials, improve preparation technology, the modified silanized surface pretreatment agent obtained, has feature that is nontoxic, environmental protection, the silane film corrosion resistance formed in metallic surface is strong, film dense uniform, strong adhesion, produces without dust phenomenon, is widely used in the pre-treatment of the spraying paint that dusts of various metallic surface.
Embodiment
Embodiment 1
Raw material (kg) is taken: deionized water 100, modification coupling agent 13, methyl alcohol 14, silane coupling agent 858 25, silane coupling agent KH-560 35, dicumyl peroxide 1.5, Sodium perfluorooctanoate 0.0025, tree ash 0.4, benzene emulsion 5, polyvinyl alcohol 2, fatty alcohol-polyoxyethylene ether 0.9, lanthanum acetate 0.05, acetic acid 0.25 by following weight
Preparation method:
(1) modification coupling agent preparation
Water-soluble nanoscale silica sol is added 5% nano zinc powder, 4% ferric oxide, 5% 2-aminoethyl 17 alkenyl imidazoline, be mixed and heated to 90-110 DEG C, cool after 20-30 minute;
(2) in stirring tank, silane coupling agent 858 is first added by formula rate amount, then dicumyl peroxide is added, after stirring 3-4 minute with the speed of 200-300rpm, add silane coupling agent KH-560 again, after stirring 3-5 minute with the speed of 300-400rpm, Sodium perfluorooctanoate and tree ash are added wherein, at room temperature with under the condition of protection of inert gas, stir 30-40 minute with the speed of 350-450rpm again, obtain built up silane couple A;
(3) by formula rate, deionized water is injected stirring tank, under whipped state, the modification coupling agent that step (1) is obtained is added in still, stir after 1-2 minute, add methyl alcohol again, continue to stir after 2-3 minute, then add benzene emulsion, stir 5-6 minute, obtain mixing solutions B, stirring velocity is 2000 ~ 2500rpm;
(4) mixed by A and B, then add polyvinyl alcohol, fatty alcohol-polyoxyethylene ether, acetic acid successively, under whipped state, isothermal reaction under 50-60 DEG C of condition, obtains mixed solution C;
(5) finally add lanthanum acetate, stir after 10-15 minute, filter and obtain the finished product.
The property indices of the silanized surface pretreating reagent that modified silanized surface pretreatment agent of the present invention and prior art are produced contrasts as following table:
During Surface silanization protection treatment process metal works of the present invention, there are energy-saving and environmental protection as can be seen from the table, the feature that effect is high, simultaneously silane film dense uniform.
Claims (1)
1. the modified silanized surface treatment pretreating reagent containing polyvinyl alcohol, it is characterized in that, be made up of the feed composition of following weight part: deionized water 100, modification coupling agent 13, methyl alcohol 14, silane coupling agent 858 25, silane coupling agent KH-560 35, dicumyl peroxide 1.5, Sodium perfluorooctanoate 0.0025, tree ash 0.4, benzene emulsion 5, polyvinyl alcohol 2, fatty alcohol-polyoxyethylene ether 0.9, lanthanum acetate 0.05, acetic acid 0.25;
The preparation method of the described modified silanized surface treatment pretreating reagent containing polyvinyl alcohol, comprises the following steps:
(1) modification coupling agent preparation
Water-soluble nanoscale silica sol is added 4-5% nano zinc powder, 3-5% ferric oxide, 4-6%2-aminoethyl 17 alkenyl imidazoline, be mixed and heated to 90-110 DEG C, cool after 20-30 minute;
(2) in stirring tank, silane coupling agent 858 is first added by formula rate amount, then dicumyl peroxide is added, after stirring 3-4 minute with the speed of 200-300rpm, add silane coupling agent KH-560 again, after stirring 3-5 minute with the speed of 300-400rpm, Sodium perfluorooctanoate and tree ash are added wherein, at room temperature with under the condition of protection of inert gas, stir 30-40 minute with the speed of 350-450rpm again, obtain built up silane couple A;
(3) by formula rate, deionized water is injected stirring tank, under whipped state, the modification coupling agent that step (1) is obtained is added in still, stir after 1-2 minute, add methyl alcohol again, continue to stir after 2-3 minute, then add benzene emulsion, stir 5-6 minute, obtain mixing solutions B, stirring velocity is 2000 ~ 2500rpm;
(4) mixed by A and B, then add polyvinyl alcohol, fatty alcohol-polyoxyethylene ether, acetic acid successively, under whipped state, isothermal reaction under 50-60 DEG C of condition, obtains mixed solution C;
(5) finally add lanthanum acetate, stir after 10-15 minute, filter and obtain the finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510375.3A CN102977773B (en) | 2012-12-04 | 2012-12-04 | Modified silane surface pretreating agent containing polyving akohol and preparation method of modified silane surface pretreating agent |
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| CN201210510375.3A CN102977773B (en) | 2012-12-04 | 2012-12-04 | Modified silane surface pretreating agent containing polyving akohol and preparation method of modified silane surface pretreating agent |
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| CN102977773A CN102977773A (en) | 2013-03-20 |
| CN102977773B true CN102977773B (en) | 2014-12-31 |
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| CN103468129A (en) * | 2013-08-29 | 2013-12-25 | 安徽省宿州市龙华机械制造有限公司 | Urea-containing modified silanization surface treatment and pretreatment agent and preparation method thereof |
| CN103451642A (en) * | 2013-08-29 | 2013-12-18 | 安徽省宿州市龙华机械制造有限公司 | Modified silanized metal surface pretreatment agent containing fatty alcohol-polyoxyethylene ether and preparation method thereof |
| JP6571666B2 (en) * | 2013-09-17 | 2019-09-04 | ビオメリューＢｉｏｍｅｒｉｅｕｘ | Solution for dissociating vitamin D from vitamin D binding protein, its associated detection method and use |
| CN107815084A (en) * | 2017-11-02 | 2018-03-20 | 安徽迈高化工科技有限公司 | A kind of preparation method of resin extender interfacial agent |
| CN109371358A (en) * | 2018-12-21 | 2019-02-22 | 宁波英科特精工机械股份有限公司 | A kind of metal product surface treatment process |
| CN114806051B (en) * | 2022-05-26 | 2023-06-06 | 佛山清粤新材料科技有限公司 | Preparation method of modified polyvinyl alcohol/thermoplastic resin composite material |
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| CN100572603C (en) * | 2008-02-25 | 2009-12-23 | 合肥华清金属表面处理有限责任公司 | Being used for the metallic surface pretreated is the metal conditioner of main component with the silane coupling agent |
| CN102146560B (en) * | 2011-03-18 | 2012-09-26 | 蚌埠市钰诚五金工贸有限公司 | Rare earth-silanization treatment agent used before metal cathode electrophoresis and preparation method of rare earth-silanization treatment agent |
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Effective date of registration: 20191025 Address after: 314000 No. 308, Hangfu Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG JIETEYOU POWER MACHINERY Co.,Ltd. Address before: 234000 Suzhou circular economy demonstration garden, Longhua Road, Anhui City, Anhui province Suzhou Longhua Machinery Manufacturing Co., Ltd. Patentee before: ANHUI PROVINCE SUZHOU CITY LONGHUA MACHINERY MANUFACTURING Co.,Ltd. |
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