CN104119470A - Preparation methods of modified acrylic resin for anticorrosion paints and copper surface anticorrosion paint - Google Patents
Preparation methods of modified acrylic resin for anticorrosion paints and copper surface anticorrosion paint Download PDFInfo
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- CN104119470A CN104119470A CN201410325648.6A CN201410325648A CN104119470A CN 104119470 A CN104119470 A CN 104119470A CN 201410325648 A CN201410325648 A CN 201410325648A CN 104119470 A CN104119470 A CN 104119470A
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Abstract
The invention discloses preparation methods of modified acrylic resin for anticorrosion paints and a copper surface anticorrosion paint, and relates to the preparation field of the anticorrosion paints. The modified acrylic resin for the anticorrosion paints comprises A, B and C three components, wherein the A component comprises 18-22 parts of toluene and 12-18 parts of methyl isobutyl ketone; the B component comprises 0.1-0.5 part of methylacrylic acid, 4-10 parts of butyl acrylate, 3-7 parts of acrylic phosphate, 8-13 parts of ethylene glycol acetoacetate methacrylate (AAEM), 7-10 parts of hexafluorobutyl acrylate, 10-22 parts of methyl methacrylate, 10-15 parts of hydroxyethyl methylacrylate, 0-9 parts of styrene and 0.3-1.5 parts of benzoyl peroxide (BPO); the C component comprises 2-8 parts of toluene, 2-7 parts of butyl acetate and 0.3-0.6 part of benzoyl peroxide (BPO); the modified acrylic resin can be used for surface anticorrosion of copper materials including brass, red copper, mirror copper and other kinds of copper and copper alloys, and is outstanding in the performance of salt fog resistance, weatherability, hardness, corrosion resistance, and the artificial accelerated aging resistance can reach 3000h.
Description
Technical field
The present invention relates to protective system preparation field, specifically relate to preparation method acrylic resin modified, copper surface anticorrosion coating for a kind of protective system.
Background technology
Ancient Times in China just has copper surface carry out anticorrosion and decorate, and during the Warring states to Han dynasty, Yunnan state in ancient times has been set up in the Dianchi Lake area of central Yunnan, just has the corrosion-resistanting decoration method of bronze, brass or copper ware.Have several different methods to carry out copper surface anticorrosion, wherein convenient, economical and practical method is that topcoating is anticorrosion.
But it is open that the patent that is specifically designed to copper surface anticorrosion coating has no; On document, have some researchs, for example " Chinese coating " has reported on the 4th phase in 2006 that " propylene diamine Modified Shell-lac for Cuprous Surface Anticorrosion coating is for the research of copper surface anticorrosive performance " salt spray resistance reaches 96h; Wang Shimin has reported that a kind of acroleic acid polyurethane coating shields at copper alloy surface on " corrosion and protection " (the 5th phase in 1998), and salt spray resistance reaches 1000h; In " research of copper surface transparent used for sealing and corrosion-proof onto agent " that the pure grade of Xu Chun is delivered on " corrosion science and guard technology " the 4th phase in 2004, developed a kind of protective agent, salt spray resistance reaches 750h; Bai Xue etc. were published in " Shanghai coating " the 4th phase in 2013 upper " preparation of protective system for copper alloy pipeline ", had reported a kind of polyurethane-based paints, and salt fog resistance reaches 5000h, but without any the test of resistance to artificial accelerated aging.
Summary of the invention
In order to overcome the shortcoming part existing in above-mentioned prior art, the present invention provides acrylic resin modified and preparation method thereof, copper surface anticorrosion coating use matte varnish and preparation method thereof, copper surface anticorrosion coating and preparation method thereof for the preparation of a kind of protective system successively.
In order to solve technical problem of the present invention, the technical scheme adopting is: a kind of acrylic resin modified, by A, B and tri-kinds of components of C, made, and in weight part, each component raw material is as follows:
Acrylic resin modified preparation method, is first placed in A component reaction vessel and is heated to reflux, and then B component is dropped in reaction vessel, drip off and keep refluxing at least 1h, finally C component is added to reaction vessel, insulation reaction is 1h at least, cooling discharge.
Utilize the matte varnish of acrylic resin modified preparation, by the raw material of following weight part, made:
The preparation method of matte varnish, in whipping appts, first add acrylic resin modified and dimethylbenzene, under stirring, slowly add antisettling agent, be dispersed to homogeneous, add defoamer, stir, add flatting silica, flow agent, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE, stirring, be uniformly dispersed to fineness is less than 25 μ m, filters.
The copper surface anticorrosion coating that utilizes matte varnish to prepare, by the raw material of following weight part, made:
80～120 parts of matte varnish;
10～20 parts, solidifying agent;
20～40 parts of thinners.
Thinner is comprised of the raw material of following weight part:
45～55 parts of dimethylbenzene;
27～42 parts of N-BUTYL ACETATEs;
10～22 parts of 1-Methoxy-2-propyl acetates.
The preparation method of copper surface anticorrosion coating, mixes matte varnish with solidifying agent, then adds thinner to stir allotment evenly.
The present invention by introducing AAEM (acetoacetoxyethyl methacrylate) monomer, vinylformic acid hexafluoro butyl ester and vinylformic acid phosphoric acid ester in traditional acrylic resin, can significantly improve acrylic resin at the sticking power on copper surface, preservative property, weather resistance and good appearance property, expanded the range of application of acrylic resin.
Protective system prepared by the present invention is specifically designed to copper product and comprises brass, red copper, all kinds of copper of minute surface copper and copper alloy surface anticorrosion, application experimental result shows in aspect performances such as salt spray resistance, weathering resistance, hardness, preservative property outstanding, resistance to artificial accelerated aging reaches 3000h, and it is at present for the best coating of copper product surface anticorrosion performance.
Embodiment
Below by embodiment, the present invention is specifically described; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, person skilled in art can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
Embodiment 1
Protective system is acrylic resin modified formula for preparation, as shown in the table:
Preparation technology: first A group is dropped in the four-hole boiling flask of 500ml with agitator, reflux condensing tube, thermometer and dropping funnel, be heated to while stirring reflux, then evenly drip B component, 5 totally hours; Dripping off insulation refluxes 1 hour; Be incubated and added C component, added altogether twice, each 1 hour; Finally be incubated again cooling in 1 hour, filter, discharging, packing.
Prepared by the present embodiment acrylic resin modified, has technical indicator as shown in the table:
| Project | Index | Remarks |
| Solid part | 58-62.0％ | ? |
| Viscosity | 30-60 second | Form pipe, 25 ℃ |
| Acid number | 6-18 | ? |
| Hydroxy radical content | 2.0-3.3％ | By 100% solid, calculate |
Embodiment 2
Protective system is acrylic resin modified formula for preparation, as shown in the table:
Preparation technology is with embodiment 1.
Embodiment 3
Protective system is acrylic resin modified formula for preparation, as shown in the table:
Preparation technology is with embodiment 1.
Embodiment 4
The formula of matte varnish, as shown in the table:
| Raw material | Weight (g) | Remarks |
| Acrylic resin modified | 70 | Embodiment 1 preparation |
| Flatting silica SYLOID ED50 | 6 | GRACE company produces |
| Antisettling agent DeuRheo211 | 2 | ELEMENTIS produces |
| Defoamer Defom5400 | 0.2 | ELEMENTIS produces |
| Levelling Levaslip466 | 0.2 | ELEMENTIS produces |
| 1-Methoxy-2-propyl acetate | 5 | ? |
| N-BUTYL ACETATE | 9 | ? |
| Dimethylbenzene | 7.6 | Adjust viscosity |
Preparation technology: first add acrylic resin modified and dimethylbenzene by upper table formula ratio, under stirring, slowly add antisettling agent, the about 10min of high speed dispersion is to homogeneous, under agitation add defoamer, stir 20min, more under agitation add flatting silica, flow agent, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE, stir 20min, be uniformly dispersed to fineness and be less than 25 μ m, filter and package and obtain matte varnish.
Embodiment 5
The formula of matte varnish, as shown in the table:
| Raw material | Weight (g) | Remarks |
| Acrylic resin modified | 65 | Embodiment 1 preparation |
| Flatting silica SYLOID ED50 | 6 | GRACE company produces |
| Antisettling agent DeuRheo211 | 3 | ELEMENTIS produces |
| Defoamer Defom5400 | 0.1 | ELEMENTIS produces |
| Levelling Levaslip466 | 0.1 | ELEMENTIS produces |
| 1-Methoxy-2-propyl acetate | 6 | ? |
| N-BUTYL ACETATE | 9 | ? |
| Dimethylbenzene | 10.8 | Adjust viscosity |
Preparation technology is with embodiment 4.
Embodiment 6
The formula of matte varnish, as shown in the table:
| Raw material | Weight (g) | Remarks |
| Acrylic resin modified | 75 | Embodiment 1 preparation |
| Flatting silica SYLOID ED50 | 6 | GRACE company produces |
| Antisettling agent DeuRheo211 | 1 | ELEMENTIS produces |
| Defoamer Defom5400 | 0.3 | ELEMENTIS produces |
| Levelling Levaslip466 | 0.3 | ELEMENTIS produces |
| 1-Methoxy-2-propyl acetate | 3 | ? |
| N-BUTYL ACETATE | 8 | ? |
| Dimethylbenzene | 6.4 | Adjust viscosity |
Preparation technology is with embodiment 4.
Embodiment 7
The formula of copper surface anticorrosion coating, as shown in the table:
Preparation technology: matte varnish, solidifying agent and thinner are assigned to working viscosity according to aforementioned proportion.
Copper surface anticorrosion paint spay-coating prepared by this embodiment, in copper metallic face and tinplate surface, at 80 ℃ of oven for drying 60min, is placed 72 hours in room temperature, detects paint film physics and chemistry and mechanical property, specifically detects performance as shown in the table:
Embodiment 8
The formula of copper surface anticorrosion coating, as shown in the table:
Preparation technology is with embodiment 7.
Embodiment 9
The formula of copper surface anticorrosion coating, as shown in the table:
Preparation technology is with embodiment 7.
The restriction that this invention technical scheme is formed is described and the description of its embodiment be should not be understood as to the above-mentioned generality to the invention relating in the application.Those skilled in the art disclose according to the application's, can be under the prerequisite of the invention integrant without prejudice to related, to above-mentioned general description or/and the public technology feature in embodiment (comprising embodiment) increases, reduces or combines, formation belongs to other technical scheme of described invention.
Claims (7)
- One kind acrylic resin modified, it is characterized in that being made by A, B and tri-kinds of components of C, in weight part, each component raw material is as follows:
- 2. an acrylic resin modified preparation method as claimed in claim 1, it is characterized in that: first A component is placed in to reaction vessel and is heated to reflux, then B component is dropped in reaction vessel, drip off and keep refluxing at least 1h, finally C component is added to reaction vessel, insulation reaction is 1h at least, cooling discharge.
- 3. a utilization matte varnish for acrylic resin modified preparation as claimed in claim 1, is characterized in that being made by the raw material of following weight part:
- 4. the preparation method of matte varnish as claimed in claim 3, it is characterized in that: in whipping appts, first add acrylic resin modified and dimethylbenzene, under stirring, slowly add antisettling agent, be dispersed to homogeneous, add defoamer, stir, add flatting silica, flow agent, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE, stirring, be uniformly dispersed to fineness is less than 25 μ m, filters.
- 5. utilize the copper surface anticorrosion coating that as claimed in claim 3 prepared by matte varnish, it is characterized in that being made by the raw material of following weight part:80～120 parts of matte varnish;10～20 parts, solidifying agent;20～40 parts of thinners.
- 6. copper surface anticorrosion coating as claimed in claim 5, is characterized in that described thinner is comprised of the raw material of following weight part:45～55 parts of dimethylbenzene;27～42 parts of N-BUTYL ACETATEs;10～22 parts of 1-Methoxy-2-propyl acetates.
- 7. a preparation method for copper surface anticorrosion coating as described in claim 5 or 6, is characterized in that: matte varnish is mixed with solidifying agent, then add thinner to stir allotment evenly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410325648.6A CN104119470B (en) | 2014-07-07 | 2014-07-07 | Anticorrosive paint is by acrylic resin modified, the preparation method of copper surface anticorrosion coating |
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| CN201410325648.6A CN104119470B (en) | 2014-07-07 | 2014-07-07 | Anticorrosive paint is by acrylic resin modified, the preparation method of copper surface anticorrosion coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038426A (en) * | 2015-06-16 | 2015-11-11 | 南雄市瑞晟化学工业有限公司 | High-solid low-VOC (volatile organic compound) benzene-free solvent-type acrylic resin |
| CN106634097A (en) * | 2016-12-16 | 2017-05-10 | 钦州市高新技术产业服务中心 | Protective paint and preparation method thereof |
| CN106675132A (en) * | 2016-12-16 | 2017-05-17 | 钦州市高新技术产业服务中心 | Copper surface paint and preparation method thereof |
| CN109320652A (en) * | 2018-09-29 | 2019-02-12 | 佛山市三水协佳化工有限公司 | A kind of synthetic method from delustring water-based acrylic resin |
| CN110511318A (en) * | 2019-09-24 | 2019-11-29 | 泰兴盛嘉树脂有限公司 | A kind of method that methacrylic acid phosphoric acid ester is acrylic resin modified |
| CN111363080A (en) * | 2020-04-23 | 2020-07-03 | 浙江传化涂料有限公司 | Polyacrylate, preparation method thereof and coating |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110117339A (en) * | 2019-06-13 | 2019-08-13 | 深圳市志邦科技有限公司 | A kind of ability cathode electrophoresis coating resins of high salt spray resistance and preparation method thereof |
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| CN101077954A (en) * | 2007-06-26 | 2007-11-28 | 广东雅图化工有限公司 | Automobile metal sparkling paint and preparation method thereof |
| CN101684388A (en) * | 2008-09-26 | 2010-03-31 | 上海富臣化工有限公司 | Polyurethane matt varnish for benzene-free odor-less furniture |
| CN103833888A (en) * | 2013-09-22 | 2014-06-04 | 西安佳龙油漆新技术发展有限公司 | Preparation method of aqueous fluorine-modified phosphorus-containing acrylate emulsion |
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2014
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| CN101077954A (en) * | 2007-06-26 | 2007-11-28 | 广东雅图化工有限公司 | Automobile metal sparkling paint and preparation method thereof |
| CN101684388A (en) * | 2008-09-26 | 2010-03-31 | 上海富臣化工有限公司 | Polyurethane matt varnish for benzene-free odor-less furniture |
| CN103833888A (en) * | 2013-09-22 | 2014-06-04 | 西安佳龙油漆新技术发展有限公司 | Preparation method of aqueous fluorine-modified phosphorus-containing acrylate emulsion |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038426A (en) * | 2015-06-16 | 2015-11-11 | 南雄市瑞晟化学工业有限公司 | High-solid low-VOC (volatile organic compound) benzene-free solvent-type acrylic resin |
| CN106634097A (en) * | 2016-12-16 | 2017-05-10 | 钦州市高新技术产业服务中心 | Protective paint and preparation method thereof |
| CN106675132A (en) * | 2016-12-16 | 2017-05-17 | 钦州市高新技术产业服务中心 | Copper surface paint and preparation method thereof |
| CN109320652A (en) * | 2018-09-29 | 2019-02-12 | 佛山市三水协佳化工有限公司 | A kind of synthetic method from delustring water-based acrylic resin |
| CN110511318A (en) * | 2019-09-24 | 2019-11-29 | 泰兴盛嘉树脂有限公司 | A kind of method that methacrylic acid phosphoric acid ester is acrylic resin modified |
| CN110511318B (en) * | 2019-09-24 | 2021-03-30 | 泰兴盛嘉树脂有限公司 | Method for modifying acrylic resin by methacrylic acid phosphate |
| CN111363080A (en) * | 2020-04-23 | 2020-07-03 | 浙江传化涂料有限公司 | Polyacrylate, preparation method thereof and coating |
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| CN104119470B (en) | 2016-08-24 |
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Denomination of invention: Preparation methods of modified acrylic resin for anticorrosion paints and copper surface anticorrosion paint Effective date of registration: 20180212 Granted publication date: 20160824 Pledgee: Shexian Anhui rural commercial bank Limited by Share Ltd Pledgor: HUANGSHAN JINZHILI SCIENCE & TECHNOLOGY CO., LTD. Registration number: 2018340000056 |
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Date of cancellation: 20190312 Granted publication date: 20160824 Pledgee: Shexian Anhui rural commercial bank Limited by Share Ltd Pledgor: HUANGSHAN JINZHILI SCIENCE & TECHNOLOGY CO., LTD. Registration number: 2018340000056 |
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Denomination of invention: Preparation methods of modified acrylic resin for anticorrosion paints and copper surface anticorrosion paint Effective date of registration: 20190318 Granted publication date: 20160824 Pledgee: Shexian Anhui rural commercial bank Limited by Share Ltd Pledgor: HUANGSHAN JINZHILI SCIENCE & TECHNOLOGY CO., LTD. Registration number: 2019340000143 |