CN102559029B - Surface treating agent used for metal material - Google Patents
Surface treating agent used for metal material Download PDFInfo
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- CN102559029B CN102559029B CN201210035185.0A CN201210035185A CN102559029B CN 102559029 B CN102559029 B CN 102559029B CN 201210035185 A CN201210035185 A CN 201210035185A CN 102559029 B CN102559029 B CN 102559029B
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Abstract
The invention relates to a surface treating agent used for metal material. The surface treating agent comprises, by weight, polyurethane resin, acrylic resin, polyester resin, a curing agent, anatase titanium dioxide with a particle size of 5-20nm, silica with a particle size of 5-20nm, polyethylene wax and a dispersant. The polyurethane resin is the polyurethane resin with a molecule containing active hydrogen. The curing agent is normal-temperature cross-linking type epoxy resin. The polyurethane resin, the acrylic resin and the polyester resin together account for 55%-85% of the total, the curing agent accounts for 5%-20% of the total, the anatase titanium dioxide and the silica account for 6%-20% of the total, and the polyethylene wax and the dispersant account for 3%-10% of the total.
Description
Technical field
The invention belongs to field of metal surface treatment, be the surface-treating agent for metallic material that forms solidity to corrosion, weather resisteant on metal material surface, uses with the resin coating of pars affecta.
Background technology
In existing metallic substance process field, electroplate corrosion resistant metal sheet material and be widely used in the fields such as electrified product or building materials.These electroplate corrosion resistant metal sheet material in order to keep solidity to corrosion and tack, generally need to adopt the chemical surface treatment such as chromic salt or phosphoric acid salt, and then carry out the form processing such as tunicle or coating.
In existing use, also have and do not carry out tunicle processing, but all need to carry out electroplating processes.But this form processing there will be the vestige that adheres to of similar fingerprint.In order to solve this technical problem, it is generally the processing mode that forms the organic envelope of the resistance to fingerprint that one deck is thin on electrolytic coating.But the organic envelope of the resistance to fingerprint of this class should have solidity to corrosion, weather resisteant, resistance to performances such as scar and tacks.Among the requirement of these performances also improves along with the raising of technology, especially along with the raising that product appearance is required and the change of environment, also more and more stricter to the performance requriements of this class treatment agent.
In order to adapt to the development and progress of product, be necessary to develop a kind of finish materials that can meet above-mentioned technical requirements, applicant works through efforts of many years, has proposed the application.
Summary of the invention
The object of this invention is to provide a kind of metal material surface that is applicable to processes and has solidity to corrosion, weather resisteant, a resistance to surface treatment agent with performances such as scar and tacks.
The present invention realizes by following technology:
A kind of surface treating agent for metallic materials, includes by weight percentage and is: urethane resin, acrylic resin, alkyd resin, solidifying agent, the anatase titanium dioxide that particle diameter is 5-20nm, the silicon-dioxide that particle diameter is 5-20nm, polyethylene wax, dispersion agent; Described urethane resin is the urethane resin that molecule contains active hydrogen, and molecular weight is 6500-10000; The molecular weight of described acrylic resin is 100,000-550,000; Described solidifying agent is cold cross-linking type epoxy resin, and this epoxy resin comprises 5-10 epoxy group(ing); The particle diameter of described polyethylene wax is 0.08-0.15um, and molecular weight is 5400-7700; Described dispersion agent chemical formula is: R
1-A-O-R
2-R, wherein R
1for the alkyl or alkenyl containing 3-15 carbon, A is toluene, ethylbenzene, Ethenylbenzene, propylene benzene, butylene benzene any one, R
2for (MO)
m, wherein M represents vinyl, and m represents the positive integer of 8-12, and described R is hydrogen or SO
3h, described dispersion agent is water-soluble; For all solids thing for the treatment of agent, wherein urethane resin+acrylic resin+alkyd resin accounts for whole 55%-85%, solidifying agent accounts for whole 5%-20%, and anatase titanium dioxide+silicon-dioxide accounts for whole 6%-20%, and polyethylene wax+dispersion agent accounts for whole 3%-10%.
Described urethane resin: acrylic resin: alkyd resin is 2: 2: 1; Described anatase titanium dioxide: silicon-dioxide is 1: 4-1: 9; Described polyethylene wax: dispersion agent is 1.5: 1-7: 1.
The invention has the beneficial effects as follows:
By technical scheme of the present invention, realize metallic substance and there is the performances such as solidity to corrosion, weather resisteant, wear resistance and high tack simultaneously, due to the use of anatase titanium dioxide in this technique, increase the anti-microbial property of this treatment agent simultaneously, expanded the use range of this technology.
Embodiment
By specific embodiment, describe technology contents of the present invention in detail below, it is exemplary that described embodiment all belongs to, only for not being interpreted as limitation of the present invention to realizing explanation of the present invention.In description of the invention, cannot limit the present invention all be provided in claimed scope to example, and limited several points only can be provided, be representative.
Primary technical scheme is in the present invention by certain weight percent preparation resin, in order to guarantee solidity to corrosion, the weather resisteant of technical solution of the present invention, the requirement of wear resistance equilibrium,
A kind of surface treating agent for metallic materials, includes by weight percentage and is: urethane resin, acrylic resin, alkyd resin, solidifying agent, the anatase titanium dioxide that particle diameter is 5-20nm, the silicon-dioxide that particle diameter is 5-20nm, polyethylene wax, dispersion agent; Described urethane resin is the urethane resin that molecule contains active hydrogen, and molecular weight is 6500-10000; The molecular weight of described acrylic resin is 100,000-550,000; Described solidifying agent is cold cross-linking type epoxy resin, and this epoxy resin comprises 5-10 epoxy group(ing); The particle diameter of described polyethylene wax is 0.08-0.15um, and molecular weight is 5400-7700; Described dispersion agent chemical formula is: R
1-A-O-R
2-R, wherein R
1for the alkyl or alkenyl containing 3-15 carbon, A is toluene, ethylbenzene, Ethenylbenzene, propylene benzene, butylene benzene any one, R
2for (MO)
m, wherein M represents vinyl, and m represents the positive integer of 8-12, and described R is hydrogen or SO
3h, described dispersion agent is water-soluble; For all solids thing for the treatment of agent, wherein urethane resin+acrylic resin+alkyd resin accounts for whole 55%-85%, solidifying agent accounts for whole 5%-20%, and anatase titanium dioxide+silicon-dioxide accounts for whole 6%-20%, and polyethylene wax+dispersion agent accounts for whole 3%-10%.
Described urethane resin: acrylic resin: alkyd resin is 2: 2: 1; Described anatase titanium dioxide: silicon-dioxide is 1: 4-1: 9; Described polyethylene wax: dispersion agent is 1.5: 1-7: 1.
Molecule used in the present invention contains the urethane resin of active hydrogen, is outsourcing finished product, can certainly be by adopting known method to manufacture voluntarily.When self-control, conventionally adopt by thering is polyhydroxy reactant, polymeric polyisocyanate composition, the raw material manufacture that carboxylic acid composition and the compound that contains more than three active hydrogen form.
As for polyhydroxy reactant, can include oxyethane or propylene oxide synthetics by low-molecular-weight polyvalent alcohols such as ethylene glycol, Diethylene Glycol, triethylene glycol, propylene glycol, butyleneglycol, Hydrogenated Bisphenol A, dihydroxyphenyl propanes, the polyether glycol of polyoxyethylene glycol, polypropylene glycol, macrogol, polypropylene glycol, polyolefin polyhydric alcohol etc., the reaction between the polybase base acid of these polyvalent alcohols and succsinic acid, amido pentanedioic acid, hexanodioic acid xylyl alcohol, m-phthalic acid, terephthalic acid etc. and obtain terminal and have the severe polyester polyol of hydroxyl etc.
As for polymeric polyisocyanate composition, can include: aliphatics, alicyclic and aromatic poly-isocyanate or by four methylene vulcabond, six methylene vulcabond, rely amino acid two isocyanide esters, 1,4 cyclohexyl vulcabond, 4,4-dicyclohexyl methane diisocyanate, 2, aliphatics or the alicyclic polymeric polyisocyanate of 4-dicyclohexyl methane diisocyanate etc.
As for hydroxy acid composition, include: 2,2-dimethylol propionic acid, 2,2-dimethylolpropionic acid, 2,2-dihydroxymethyl valeric acid etc.
The compound with three above active hydrogens includes: trimeric cyanamide, diethylenetriamine, TriMethylolPropane(TMP), the third three acid and above these oxyethane or the synthetics of propylene oxide etc.
The selected acrylic resin of the present invention is direct outsourcing finished product, but when selecting, only requires that at molecular weight be the realization that all can meet the technical program between 100,000-550,000.
The selected vibrin of the present invention is not particularly limited, but can better realize technical scheme of the present invention with the band aliphatic vibrin of side chain or aromatic polyester resins.
The selected epoxy resin of the present invention preferably can be dissolved in water; Described epoxy resin is take the 5%-8% that accounts for whole treatment agent weight percents as optimal selection.Because in the application's technical scheme, only at the weight percent of epoxy resin during at 5%-8%, can with the application in carboxyl realize the crosslinked of optimum proportion, to realize object of the present invention.
Embodiment mono-
Described urethane resin: acrylic resin: alkyd resin is 2: 2: 1; Urethane resin+acrylic resin+alkyd resin accounts for whole 55%; Described solidifying agent is cold cross-linking type epoxy resin, and this epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 20%; The particle diameter of described polyethylene wax is 0.08-0.15um, and molecular weight is 5400-7700; Described dispersion agent chemical formula is: R
1-A-O-R
2-R, wherein R
1for the alkyl or alkenyl containing 3-15 carbon, A is toluene, ethylbenzene, Ethenylbenzene, propylene benzene, butylene benzene any one, R
2for (MO)
m, wherein M represents vinyl, and m represents the positive integer of 8-12, and described R is hydrogen or SO
3h, described dispersion agent is water-soluble;
Described anatase titanium dioxide: silicon-dioxide is 1: 4-1: 9; Described polyethylene wax: dispersion agent is 1.5: 1-7: 1.It is whole 20% that anatase titanium dioxide+silicon-dioxide accounts for, and polyethylene wax+dispersion agent accounts for whole 10%.
About the production method of the surface treatment agent arriving involved in the present invention, aforementioned each thing is determined to weight by described weight percent, then water-soluble and proceed to the reactor preparation that bath temperature is 130-150 ℃ of belt stirrer.In technical scheme of the present invention, the 30%-40% of the surface treatment agent after the total amount of aforementioned each material accounts for and makes is optimal selection, and such selection mode is to guarantee that the dry time also can guarantee the operation of coating.
The coating temperature of surface treatment agent of the present invention is chosen as 10-50 ℃, and drying temperature is 100-180 ℃, then proceeds to Air drying 20-35 minute time of drying.Be coated with dry after, the amount of dry resin is 2-2.5mg/m
2.
In following examples of the present invention, what distinguish is the difference that urethane resin+acrylic resin+alkyd resin, anatase titanium dioxide+silicon-dioxide, polyethylene wax+dispersion agent, epoxy resin account for the whole weight percent of the present invention, other side is all identical, therefore in following examples of the present invention, no longer repeats.
Embodiment bis-
Urethane resin+acrylic resin+alkyd resin accounts for whole 60%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 20%; Anatase titanium dioxide+silicon-dioxide accounts for whole 15%; Polyethylene wax+dispersion agent accounts for whole 5%.Other condition of the present embodiment is identical with embodiment mono-.
Embodiment tri-
Urethane resin+acrylic resin+alkyd resin accounts for whole 65%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 20%; Anatase titanium dioxide+silicon-dioxide accounts for whole 10%; Polyethylene wax+dispersion agent accounts for whole 5%.Other condition of the present embodiment is identical with embodiment mono-.
Embodiment tetra-
Urethane resin+acrylic resin+alkyd resin accounts for whole 70%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 20%; Anatase titanium dioxide+silicon-dioxide accounts for whole 7%; Polyethylene wax+dispersion agent accounts for whole 3%.Other condition of the present embodiment is identical with embodiment mono-.
Embodiment five
Urethane resin+acrylic resin+alkyd resin accounts for whole 75%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 8%; Anatase titanium dioxide+silicon-dioxide accounts for whole 12%; Polyethylene wax+dispersion agent accounts for whole 5%.Other condition of the present embodiment is identical with embodiment mono-.
Embodiment six
Urethane resin+acrylic resin+alkyd resin accounts for whole 80%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 5%; Anatase titanium dioxide+silicon-dioxide accounts for whole 10%; Polyethylene wax+dispersion agent accounts for whole 5%.Other condition of the present embodiment is identical with embodiment mono-.
Embodiment seven
Urethane resin+acrylic resin+alkyd resin accounts for whole 85%; Epoxy resin comprises 5-10 epoxy group(ing), accounts for whole 5%; Anatase titanium dioxide+silicon-dioxide accounts for whole 7%; Polyethylene wax+dispersion agent accounts for whole 3%.Other condition of the present embodiment is identical with embodiment mono-.
Can also add tensio-active agent and pigment etc. for some performance that improves surface treatment agent in the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the application's principle; can also make some improvements and modifications, improvements and modifications also should be considered as the application's protection domain like this.
Claims (2)
1. surface treating agent for metallic materials, is characterized in that, includes to be by weight percentage: urethane resin, acrylic resin, vibrin, solidifying agent, the anatase titanium dioxide that particle diameter is 5-20nm, particle diameter is the silicon-dioxide of 5-20nm, polyethylene wax, dispersion agent; Described urethane resin is the urethane resin that molecule contains active hydrogen, and molecular weight is 6500-10000; The molecular weight of described acrylic resin is 100,000-550,000; Described solidifying agent is cold cross-linking type epoxy resin, and this epoxy resin comprises 5-10 epoxy group(ing); The particle diameter of described polyethylene wax is 0.08-0.15 μ m, and molecular weight is 5400-7700; Described dispersion agent chemical formula is: R
1-A-O-R
2-R, wherein R
1for the alkyl or alkenyl containing 3-15 carbon, A is toluene, ethylbenzene, Ethenylbenzene, propylene benzene, butylene benzene any one, R
2for (MO)
m, wherein M represents vinyl, and m represents the positive integer of 8-12, and described R is hydrogen or SO
3h, described dispersion agent is water-soluble; For all solids thing for the treatment of agent, wherein urethane resin+acrylic resin+vibrin accounts for whole 55%-85%, solidifying agent accounts for whole 5%-20%, and anatase titanium dioxide+silicon-dioxide accounts for whole 6%-20%, and polyethylene wax+dispersion agent accounts for whole 3%-10%;
Described urethane resin: acrylic resin: vibrin is 2:2:1; Described anatase titanium dioxide: silicon-dioxide is 1:4-1:9; Described polyethylene wax: dispersion agent is 1.5:1-7:1.
2. surface treating agent for metallic materials according to claim 1, is characterized in that, described epoxy resin is to account for the 5%-8% of whole treatment agent weight percents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035185.0A CN102559029B (en) | 2012-02-16 | 2012-02-16 | Surface treating agent used for metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035185.0A CN102559029B (en) | 2012-02-16 | 2012-02-16 | Surface treating agent used for metal material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102559029A CN102559029A (en) | 2012-07-11 |
| CN102559029B true CN102559029B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210035185.0A Expired - Fee Related CN102559029B (en) | 2012-02-16 | 2012-02-16 | Surface treating agent used for metal material |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740255B (en) * | 2013-12-27 | 2016-01-20 | 上海涂料有限公司技术中心 | A kind of hydrate colour chromium-free fingerprint-resistant coating for metallizing material surface and constructional method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312214C (en) * | 2003-02-24 | 2007-04-25 | 巴斯福股份公司 | Polymers containing carboxylate for the treatment of metallic surfaces |
| WO2008078956A1 (en) * | 2006-12-27 | 2008-07-03 | Posco | Excellent heat-dissipating black resin composition, method for treating a zinc coated steel sheet using the same and steel sheet treated thereby |
| CN101519546A (en) * | 2009-03-25 | 2009-09-02 | 杜邦华佳化工有限公司 | Powder coating capable of being thin coated and preparation process thereof |
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2012
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| CN102559029A (en) | 2012-07-11 |
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| CB02 | Change of applicant information |
Address after: 315000 Zhejiang city of Ningbo province Yinzhou District five Township Wuxiang Industrial Park Road No. 28 Applicant after: Ningbo Inctel Precision Work Machinery Co., Ltd. Address before: 315000 Zhejiang city of Ningbo province Yinzhou District five Township Wuxiang Industrial Park Road No. 28 Applicant before: Incote (Ningbo) Mechancial & Electronic Equipment Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: INCOTE (NINGBO) MECHANCIAL + ELECTRONIC EQUIPMENT CO.,LTD. TO: NINGBO INCTEL PRECISION WORK MACHINERY CO., LTD. |
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Granted publication date: 20140416 Termination date: 20170216 |