CN100338159C - High adhesion metal conditioner for coating metal - Google Patents
High adhesion metal conditioner for coating metal Download PDFInfo
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- CN100338159C CN100338159C CNB031329322A CN03132932A CN100338159C CN 100338159 C CN100338159 C CN 100338159C CN B031329322 A CNB031329322 A CN B031329322A CN 03132932 A CN03132932 A CN 03132932A CN 100338159 C CN100338159 C CN 100338159C
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- wash primer
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- polyvinyl butyral
- distilled water
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Abstract
The present invention discloses a metal conditioner with strong adhesive force. The present invention is prepared by uniform stirring component A and component B according to a mass ratio of 5:1, wherein the component A is prepared from 5 to 12% of polyvinyl butyral JDQ-X65, 0.2 to 0.6% of wetting dispersing agent, 0.1 to 0.6% of defoaming agent, 0.2 to 0.7% of thickening agent, 5 to 10% of quad-basic zinc yellow, 0.5 to 2% of micronized talc powder, 40 to 50% of isopropyl alcohol, 1.5 to 2.5% of distilled water, 15 to 25% of alcohol and 10 to 20% of normal butyl alcohol; the component B is prepared from 15 to 25% of phosphoric acid, 10 to 25% of distilled water and 50 to 70% of isopropyl alcohol. The metal conditioner has high performance of resisting salt diluted solutions or other organic solvents, and a coating layer of the present invention has strong adhesive force and high corrosion resistance; therefore, the present invention overcomes the defects of poor adhesive force and poor corrosion resistance of coating layers of a traditional metal conditioner caused by poor performance of resisting salt solutions and poor solubility resistance of the traditional metal conditioner.
Description
Technical field the present invention relates to a kind of wash primer, especially a kind of wash primer that is used for washing.
The background technology wash primer claims wash primer again, itself can not be as unique priming paint, just before being coated with common priming paint, carry out precoating, form one deck film (build 8-15 μ m) as thin as a wafer, go up sticking power and the rustless property of finishing coat to increase, and have the dual function of bonderizing and metal passivation processing metal.
Before metal carries out application, bonderizing is arranged generally one, go up the sticking power of finishing coat, and improve the antiseptic property of metal metal to strengthen.If directly will go up finishing coat is coated on the metallic surface, because the metallic surface is too smooth, and cause sticking power too poor, and because lacked one deck phosphatize phosphate coat, its antiseptic power greatly descend.When workpiece because volume is big or other reasons and can not carry out bonderizing the time, just needs employing wash primer carries out precoating in the metallic surface.Then be coated with common priming paint and finish paint behind the application wash primer.
Because the whole paint film of wash primer is very thin, so wash primer salt tolerant class dilute solution, poor solvent resistance.Though corrosion that can anti-damp atmosphere is permeated by salt dilute solution or other organic solvents easily, after salt dilute solution or the infiltration of other organic solvents, will cause metallic corrosion, the antiseptic property of whole coating is reduced.Traditional wash primer was soaking 1 hour in butylacetate, and its film coated surface is felt like jelly; Diffusion surpasses 2mm to both sides for salt spray resistance experiment 48 hours, its chiasmate line rusty part.
Because conventional phosphatizing priming paint exists defectives such as salt tolerant class solution, anti-dissolubility difference, thereby caused defectives such as primer coating sticking power, preservative property difference, a kind of salt tolerant class solution of therefore present needs, the wash primer that organic solvent resistance is good replace this product.
Summary of the invention the invention discloses a kind of wash primer of high adhesive force, it adopts polyvinyl butyral resin as base-material, four basic zinc chrome yellow are as pigment, with rational defoamer, thickening material and Ricinate collocation, priming paint salt tolerant class dilute solution or other organic solvent properties made are good, and its coating has good sticking power, antiseptic property; Well overcome the defective of conventional phosphatizing priming paint salt tolerant class dilute solution or other organic solvent properties differences.
The present invention adopts polyvinyl butyral resin as base-material, and four basic zinc chrome yellow are as pigment.Polyvinyl butyral resin has a lot of polar groups, is the resin of strong adhesion, and it borrows the crosslinked insolubles that becomes solvent of chromium, combines with phosphoric acid again simultaneously, and phosphoric acid combines with metal reaction again.Become paint film to form jointly by resin and chromium, and become chromium hydrocarbon binding film, therefore promoted metal surface passivation to play corrosion-resisting function.Film forming several reaction is as follows:
ZnCrO
4.4Zn(OH)
2+H
3PO
4→Zn
3(PO
4)
2
Basic zinc chromate+H
3PO
4+ butyral resin → chromium-butyral resin chromium complex
The water content of two-pack wash primer and sneak into phosphoric acid after institute's elapsed time all can influence chemical reaction between butyral resin-basic zinc chromate-phosphoric acid, and influence forms the performance of filming.
Seal coat of the present invention is made up of two kinds of components of A, B, and wherein the moiety of A component is as follows:
5-12% polyvinyl butyral acetal JDQ-X 65
O.2-0.6% wetting dispersing agent
O.1-O.6% defoamer
The 0.2-0.7% thickening material
5-10% four basic zinc chrome yellow 309-zinc-chrome yellows
O.5-2% pigment extender micronized talc powder 1500 orders
40-50% Virahol technical grade
1.5-2.5% distilled water
15-25% ethanol industry level
10-20% propyl carbinol technical grade
The preparation process of A component is as follows:
1. in polyvinyl butyral resin, add defoamer and wetting dispersing agent, it is stirred.
2. under the situation of stirring at low speed, to wherein adding four basic zinc chrome yellow and micronized talc powder successively, that it is pre-dispersed evenly.
3. the employing sand milling is below the 10 μ m with various pigment grinds to the scraper plate fineness.Notice that grinding temperature can not be overheated, avoid pigment and resin to react.
4. under low speed dispersive situation,, filter and promptly get high adhesive force wash primer A component to wherein adding solvent and thickening material.
The moiety of B component is as follows:
15-25% phosphoric acid (85%) technical grade
10-25% distilled water
The 50-70% Virahol
The all kinds of SOLVENTS mixing and stirring is promptly got the B component.
During use, A, B two components are pressed mass ratio mix at 5: 1, stir, promptly make this wash primer.Its viscosity is lower, need not dilute, and can directly spray.During spraying its build is controlled at about 7-9 μ m, when thickness is higher,, but can increases the priming paint consumption, raise the cost, and the anti-corrosion function of filming is not improved a lot the sticking power did not influence.Filming can be dry under normal temperature condition, and the color of filming will be deepened in drying process gradually, until becoming Vandyke brown, has only about 7-9 μ m though it is filmed, and enough ground is hidden fully.
After both mixed, the beginning color was faint yellow, and after several minutes, color will become tawny.If tool basic zinc chromate and phosphoric acid react.Must in 8 hours, use after the mixing,, lose its performance characteristics though gelling does not take place mixed paint liquid after 8 hours.
The employed polyvinyl butyral acetal JDQ-X 65 of wash primer of the present invention is the polyvinyl butyral resins that contain butyryl radicals 44-48%, and it has fabulous sticking power to kinds of surface.Thickening material adopts the DSX 3256 of COGNIS company, and it is the limpid liquid of near-white, is a kind of non-ionic polyurethane associative thickener, has good film forming properties and pigment wettability.Defoamer adopts the H1620 of COGNIS company, and it is colourless to weak yellow liquid, is the mixture of the pure and mild polysiloxane of special this property, has good long-term defoaming.Ricinate adopts the H 5040 of COGNIS company, and it is the yellow transparent thick liquid, is poly-hydroxy acid sodium mixture, and water-borne coatings is had fabulous stably dispersing effect with color stuffing, can make the viscosity of coating highly stable.
Compare with conventional art, wash primer of the present invention has following tangible beneficial effect:
1. this wash primer coating has good organic solvent resistance, soaks for a long time in butylacetate, and its film performance does not change.
2. this priming paint can promote metal surface passivation, forms chromium hydrocarbon binding film, has good antiseptic property.
3. metal substrate there is very high sticking power, can carries out application as long as ground deoils through degreasing.Under identical condition, not adopting wash primer sticking power is 1 grade, and adopting wash primer postadhesion power is 0 grade.
4. application property is good, and preparation of construction and method just can obtain coating preferably routinely.Get final product complete drying in 20 minutes at normal temperatures, and do not need baking, save the energy; Time of drying is short, be convenient to application, and reaches about 8 hours time limit engineering time.
5. its solvent major part is an alcohols, and is less to human body harm when production and construction.
6. stability in storage is good, and 50 ℃ of baking ovens store that every index (as fineness, viscosity etc.) does not change substantially after 2 months, does not precipitate, wild effect such as caking.
7. this product both can be used as general cold-rolled steel primer surface, also can be used on other metal material surfaces, as: electro-galvanizing, galvanizing, aluminium etc.
In sum, wash primer salt tolerant class dilute solution of the present invention or other organic solvent properties are good, preservative property and sticking power are compared with traditional priming paint and are enhanced, and application property and stability in storage are good, use more extensive, production technique is identical with the production technique of other solvent based coatings, easily realizes producing in batches.Therefore wash primer of the present invention has well overcome the many disadvantages of conventional phosphatizing priming paint, and higher utility and promotional value are arranged.
Embodiment
Embodiment
The A component for preparing this seal coat in following ratio:
8.0% polyvinyl butyral acetal JDQ-X 65
0.4% wetting dispersing agent, H 5040 COGNIS
0.3% defoamer, H 1620 COGNIS
0.4% thickening material, DSX 3256 COGNIS
7.7% 4 basic zinc chrome yellow 309-zinc-chrome yellow
1.2% pigment extender, micronized talc powder 1500 orders
45% solvent, the Virahol technical grade
2.0% solvent distilled water
19% solvent, the ethanol industry level
16% solvent, propyl carbinol technical grade (all per-cents are all weight percent in this specification sheets)
The B component that recently prepares this priming paint by following percentage:
18.5% phosphoric acid (85%) technical grade
16.5% distilled water solvent
65% isopropanol solvent
A, B two components are pressed mass ratio mix at 5: 1, stir and promptly make this wash primer.Experiment showed, and use this wash primer to spray, its coating salt tolerant class dilute solution or other organic solvent properties improve greatly, soak 100 hours in butylacetate, and its film performance does not change; Antiseptic property improves greatly, salt spray resistance experiment 120 hours, and its chiasmate line rusty part does not spread to both sides; Sticking power reaches 0 grade.In sum, wash primer of the present invention has well overcome the defective of traditional priming paint salt tolerant class dilute solution or other organic solvent properties differences, and its sticking power and antiseptic property improve greatly.
Claims (5)
1. a high adhesive force wash primer is made up of two kinds of components of A, B, and the mass ratio of A, two kinds of components of B is 5: 1, and wherein the weight percent of A component is composed as follows:
5-12% polyvinyl butyral acetal JDQ-X 65
The 0.2-0.6% wetting dispersing agent
The 0.1-0.6% defoamer
The 0.2-0.7% thickening material
5-10% four basic zinc chrome yellow 309-zinc-chrome yellows
0.5-2% pigment extender micronized talc powder 1500 orders
40-50% Virahol technical grade
1.5-2.5% distilled water
15-25% ethanol industry level
10-20% propyl carbinol technical grade
The moiety of B component is as follows:
15-25% concentration 85% phosphoric acid industry level
10-25% distilled water
The 50-70% Virahol.
2. wash primer as claimed in claim 1, wherein polyvinyl butyral acetal JDQ-X 65 is the polyvinyl butyral resins that contain butyryl radicals 44-48%.
3. wash primer as claimed in claim 1, wherein wetting dispersing agent is the H 5040 of COGNIS company.
4. wash primer as claimed in claim 1, wherein defoamer is the H 1620 of COGNIS company.
5. wash primer as claimed in claim 1, wherein thickening material is the DSX 3256 of COGNIS company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031329322A CN100338159C (en) | 2003-07-21 | 2003-07-21 | High adhesion metal conditioner for coating metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031329322A CN100338159C (en) | 2003-07-21 | 2003-07-21 | High adhesion metal conditioner for coating metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1569986A CN1569986A (en) | 2005-01-26 |
| CN100338159C true CN100338159C (en) | 2007-09-19 |
Family
ID=34469979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031329322A Expired - Fee Related CN100338159C (en) | 2003-07-21 | 2003-07-21 | High adhesion metal conditioner for coating metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100338159C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079917A (en) * | 2010-12-17 | 2011-06-01 | 重庆研镁科技有限公司 | Base paint special for coating magnesium alloy material |
| CN102794257B (en) * | 2012-08-16 | 2014-08-27 | 南车长江车辆有限公司 | Water-based paint coating process for stainless steel rail wagon |
| CN103342930A (en) * | 2013-07-15 | 2013-10-09 | 中国电子科技集团公司第三十九研究所 | Transition paint for easy-lifting paint film surface as well as preparation method and coating method of transition paint |
| CN103436114A (en) * | 2013-07-15 | 2013-12-11 | 中国电子科技集团公司第三十九研究所 | Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof |
| CN103421390A (en) * | 2013-08-22 | 2013-12-04 | 欧美龙（南通）重防腐涂料有限公司 | Radiation-proof anticorrosion coating |
| CN104893453A (en) * | 2015-06-01 | 2015-09-09 | 蚌埠市蚌风风机有限公司 | Primer for blowers and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55152759A (en) * | 1979-05-18 | 1980-11-28 | Dainippon Toryo Co Ltd | Paint composition for pretreating metal |
| JPS5884082A (en) * | 1981-11-16 | 1983-05-20 | Sekisui Jushi Co Ltd | Powder painting method of products plated with fused zinc |
| JPH08302272A (en) * | 1995-05-12 | 1996-11-19 | Sunstar Eng Inc | Primer composition |
-
2003
- 2003-07-21 CN CNB031329322A patent/CN100338159C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55152759A (en) * | 1979-05-18 | 1980-11-28 | Dainippon Toryo Co Ltd | Paint composition for pretreating metal |
| JPS5884082A (en) * | 1981-11-16 | 1983-05-20 | Sekisui Jushi Co Ltd | Powder painting method of products plated with fused zinc |
| JPH08302272A (en) * | 1995-05-12 | 1996-11-19 | Sunstar Eng Inc | Primer composition |
Non-Patent Citations (1)
| Title |
|---|
| 金属表面人工除锈的不足与弥补方法 王巍，石油化工腐蚀与防护，第15卷第1期 1998 * |
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| Publication number | Publication date |
|---|---|
| CN1569986A (en) | 2005-01-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Oceanpower Chemical Technology Co., Ltd. Assignor: Haichuan Industry Co., Ltd., Shenzhen Contract fulfillment period: 2008.8.9 to 2015.1.17 contract change Contract record no.: 2008440000274 Denomination of invention: High adhesion metal conditioner for coating metal Granted publication date: 20070919 License type: Exclusive license Record date: 20081014 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.9 TO 2015.1.17; CHANGE OF CONTRACT Name of requester: SHENZHEN HAICHUAN CHEMICAL TECHNOLOGY CO., LTD. Effective date: 20081014 |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |