CN103725175A - Thick film modified alkyd paint and preparation method thereof - Google Patents
Thick film modified alkyd paint and preparation method thereof Download PDFInfo
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- CN103725175A CN103725175A CN201410039502.5A CN201410039502A CN103725175A CN 103725175 A CN103725175 A CN 103725175A CN 201410039502 A CN201410039502 A CN 201410039502A CN 103725175 A CN103725175 A CN 103725175A
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Abstract
The invention relates to a thick film modified alkyd paint which comprises the following components in parts by weight: 20-40 parts of alkyd paint, 10-20 parts of modified resin, 0.5-1.0 part of organobentonite, 0.5-1.0 part of organophosphorus ester, 7-20 parts of dimethylbenzene, 10-20 parts of iron oxide red, 8-15 parts of talc powder, 5-20 parts of sericite powder, 0.5-1.0 part of dryer and 0.2-0.5 part of methyl ethyl ketoxime. The preparation method provided by the invention is simple and convenient to operate; the thick film modified alkyd paint has good antiseptic property, the salt spray resistance property of the thick film modified alkyd paint is capable of reaching above 1000h, and the thick film modified alkyd paint has excellent isolation to a corrosive medium of an atmospheric region. Meanwhile, the thick film modified alkyd paint has the characteristics of low viscosity and high film thickness. The thickness of the film formed in a single channel is capable of reaching 100-150mu m, the drying speed is high, the film can be hardly dried at a temperature of 25+/-2 DEG C within 12 hours, and thus a subsequent construction procedure is conveniently performed, the construction period can be shortened, and the construction cost is saved. The requirements of engineering applications such as ships, steel structures and petroleum pipelines are met.
Description
Technical field
The present invention relates to technical field of coatings, especially relate to a kind of thick-film modified alkyd paint and preparation method thereof.
Background technology
Known, alkydpaints is a kind of protective system of being used widely at present.Coating is single component, has easy to usely, can adopt the construction of multiple form of construction work, after construction, reacts with airborne oxygen, and autoxidation is cross-linked film forming, and the coating after film forming has good mechanical property and antiseptic property.It is application property and ornamental easily, makes it in industrial coating field, since being born, just have very large using value.
But alkydpaints also has some shortcomings, as slow in dried coating film, single track film forming thickness is low, and hardness is low, and corrosion-resistant etc. have limited alkydpaints in the more application in high-performance field.Therefore, people promote the performance of alkydpaints by modification technology.Conventional modification mode has: epoxy resin modification, aminoresin modification, Nitrocellulose modification, acrylic resin modification, polyurethane-modified, chlorinated rubber modification, phenylethene modified etc., alkydpaints after modification all has lifting at aspects such as drying property, preservative property, has expanded the purposes of alkydpaints.
Chinese patent CN101747827B, authorize on 07 04th, 2012 day, denomination of invention is < < environment-friendly alkyd coating > >, this patent discloses a kind of environment-friendly alkyd coating, its aromatic free solvent and harmful color stuffing, have environmental protection characteristic and excellent appearance performance.The preparation that it is mainly the synthetic and coating of environment-friendly alkide resin, does not adopt modification technology.
China Patent Publication No. CN101875811B, open day on 09 05th, 2012, denomination of invention is < < alkyd paint for ships and preparation method thereof > >, this patent discloses a kind of alkyd paint for ships and preparation method thereof, having adopted urethane alkyd and Synolac is filmogen, compared with general alkydpaints, improved degree of grinding, erosion resistance and the wear resistance of coating.Wherein utilized urethane alkyd to promote the performance of coating.
Chinese patent CN101245219B, authorize day on October 06th, 2010, denomination of invention is a < < low VOC content alkydpaints and preparation method thereof > >, this patent discloses a kind of alkydpaints of low VOC content, this patent is passed through modified alkyd resin, at dispersion agent, under the existence of interface stablizer, by water to stable dispersion in alkydpaints, thereby prepared the alkydpaints of low VOC, its sticking power, there is not considerable change in the fundamental propertys such as hardness compared with traditional alkydpaints, but antiseptic property is as salt fog resistance etc. not mentioned.
China Patent Publication No. CN102807809A, open day on 08 07th, 2012, denomination of invention is < < alkyd paint and preparation method > >, this application project discloses a kind of low cost alkyd paint and preparation method thereof, adopted the low cost alkyd paint of the compositions such as 1036 Synolac, 582-2 aminoresin, there is good intensity toughness etc., but its antiseptic property and workability etc. not mentioned.
China Patent Publication No. CN102993925A, open day on 03 27th, 2013, denomination of invention is a < < self-drying type high-solid level phthalic resin coating and preparation method thereof > >, this application project discloses a kind of self-drying type high solid phthalic resin coating and preparation method thereof, paint solvent content is low, can thick painting etc. feature, but design parameter is not mentioned, also not adopting modification technology, is still common alkydpaints.
Chinese patent CN1221620C, authorize day on October 5th, 2005, denomination of invention is the fast-dry, high solid content coating > > of < < based on modified alkyd resin, and this patent discloses normal temperature oxidation curing composition of the Synolac based on acrylate functional and preparation method thereof.Adopt acrylate to carry out modification to Synolac, prepared the modified alkyd resin coating of quick-dry type.
China Patent Publication No. CN102993928A open day on 03 27th, 2013, denomination of invention is a < < quick-dry type efficient corrosion resisting alkyd iron oxide red coating and preparation method thereof > >, this application project discloses a kind of quick-dry type efficient corrosion resisting alkyd iron oxide red coating and preparation method thereof, it adopts dry vegetable oil modified alkyd resin, can promote the antiseptic property of common alkydpaints.
Chinese patent CN1957048B is day on October 13rd, 2010 openly, denomination of invention is the coating composition > > of the < < Synolac that contains vinyl modified, this patent adopts vinylated alkyd resin, can make solvent based coating have low organic volatile.
Summary of the invention
Due to self-drying type alkydpaints due to needs solvent evaporates after, Synolac occur oxidation and film-forming, therefore, coating rate of drying is slow, and one film forming can not be too thick.Low for solving one film forming thickness of self-drying type alkydpaints, the problem that rate of drying is slow, the invention discloses a kind of thick-film modified alkyd paint and preparation method thereof, its preparation technology is easy, have good antiseptic property, meanwhile, this coating has low viscosity, the feature of high thickness, single track film forming thickness can reach 100-150 μ m, and rate of drying is fast, thereby is convenient to the carrying out of rear road working procedure, can shorten construction period, save construction cost.Meet the construction requirement of ready coating.
In order to realize described goal of the invention, the present invention adopts following technical scheme:
A kind of thick-film modified alkyd paint, its composition is Synolac 20-40 part by weight, modified resin 10-20 part, organobentonite 0.5-1.0 part, organophosphate 0.5-1.0 part, dimethylbenzene 7-20 part, iron oxide red 10-20 part, talcum powder 8-15 part, sericite in powder 5-20 part, siccative 0.5-1.0 part, methyl ethyl ketoxime 0.2-0.5 part.
The blending ratio of Synolac of the present invention and modified resin is 1:1～2:1.
A preparation method for thick-film modified alkyd paint, its preparation process is:
(1) press recipe ingredient, in material cylinder, add Synolac, dimethylbenzene and organophosphate, be mixed evenly;
(2) slowly add organobentonite, be dispersed to uniform state;
(3) add iron oxide red, talcum powder and sericite in powder, after disperseing, sand milling is to fineness≤60 μ m;
(4) add modified resin, siccative and methyl ethyl ketoxime, stir, with dimethylbenzene adjusting viscosity, at 0.5-1.0Pas, filter, packing, obtains finished product.
The preparation method of thick-film modified alkyd paint of the present invention, the rate of dispersion in step (2) is 700 revs/min, jitter time 10-20 minute.
The preparation method of thick-film modified alkyd paint of the present invention, the rate of dispersion in step (3) is 1000 revs/min, jitter time 30 minutes.
The preparation method of thick-film modified alkyd paint of the present invention, the churning time in step (4) is 10-20 minute.
Owing to having adopted technique scheme, the present invention has following beneficial effect: employing modified alkyd resin is filmogen, and wherein Synolac is selected oleum lini Synolac, and modified resin is selected rosin modified phenolic resin, its softening temperature is high, has good consistency with oleum lini Synolac.After Synolac is mixed with the arbitrary proportion in 1:1～3:1 interval with modified resin, the paint film making, rate of drying is fast, and paint film light is hard high good.
The good ground wettability that utilizes Synolac itself to have, prepared coating has the adhesion strength good with ground, adopted modified resin simultaneously, there is hardness of paint film high, water-tolerant, the feature of good endurance, coating of the present invention has the characteristic of above bi-material concurrently, makes the coating of preparation have good antiseptic property.
Adopt the auxiliary rheological agents that organic bentonite and organophosphate are coating, itself and modified alkyd resin have very strong hydrogen bond action, show as under standing condition, resin liquid presents frozen glue shape, and will apply after certain shearing force, its viscosity declines rapidly, embodies excellent thixotropic property.Wherein, in modified alkyd resin, the ratio of Synolac and modified resin this thixotroping effect in 1:1～2:1 interval is best, thereby makes the alkydpaints of preparation have good thixotroping effect, meets the demand of thick-film application.
Coating of the present invention can adopt conventional coating material production mode, after each component that is about to fill a prescription mixes, adjusting viscosity after being ground to fineness and meeting the requirements, filters and packages and obtains coating products, also can adopt the preparation method of described thick-film modified alkyd paint in summary of the invention.
The present invention be a kind of can thick-film the modified alkyd paint of construction, its preparation technology is easy, has good antiseptic property, more than product salt spray resistance can reach 1000h, the corrosive medium of atmospheric zone is had to excellent isolated property.Meanwhile, this coating has low viscosity, the feature of high thickness, and single track film forming thickness can reach 100～150 μ m, and rate of drying is fast, at 25 ± 2 ℃, in 12h, can reaches and do solid work, thereby be convenient to the carrying out of rear road working procedure, can shorten construction period, save construction cost.Meet the needs of the engineering application such as boats and ships, steel construction, pipelines and petrochemical pipelines.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section after application of the present invention.
In figure: 1, steel ground; 2, thick-film acid modified alcoholic undercoat; 3, alkyd finishing coat.
Embodiment
Explanation the present invention that can be detailed by the following examples, discloses object of the present invention and is intended to protect all technological improvements in the scope of the invention.
First in material cylinder, add 20kg Synolac, 20kg dimethylbenzene and 1.0kg organophosphate, stirring is mixed evenly; Then under the rotating speed of 700 revs/min, slowly add 0.5kg organobentonite, disperse 10～20 minutes, detecting paint vehicle is after uniform state, add 20kg iron oxide red, 10kg talcum powder and 20kg sericite in powder, improve rotating speed to 1000 rev/min, disperse after 30 minutes sand milling to fineness≤60 μ m.Finally add 10kg modified resin, 0.5kg siccative and 0.2kg methyl ethyl ketoxime, stir 10-20 minute, with dimethylbenzene adjusting viscosity, at 0.5-1.0Pas, filter, packing, obtains finished product.
Embodiment 2
First in material cylinder, add 30kg Synolac, 15kg dimethylbenzene and 0.9kg organophosphate, stirring is mixed evenly; Then under the rotating speed of 700 revs/min, slowly add 0.8kg organobentonite, disperse 10～20 minutes, detecting paint vehicle is after uniform state, add 20kg iron oxide red, 8kg talcum powder and 10kg sericite in powder, improve rotating speed to 1000 rev/min, disperse after 30 minutes sand milling to fineness≤60 μ m.Finally add 20kg modified resin, 0.8kg siccative and 0.5kg methyl ethyl ketoxime, stir 10-20 minute, with dimethylbenzene adjusting viscosity, at 0.5-1.0Pas, filter, packing, obtains finished product.
Embodiment 3
First in material cylinder, add 40kg Synolac, 7kg dimethylbenzene and 0.5kg organophosphate, stirring is mixed evenly; Then under the rotating speed of 700 revs/min, slowly add 1kg organobentonite, disperse 10～20 minutes, detecting paint vehicle is after uniform state, add 10kg iron oxide red, 15kg talcum powder and 5kg sericite in powder, improve rotating speed to 1000 rev/min, disperse after 30 minutes sand milling to fineness≤60 μ m.Finally add 20kg modified resin, 1kg siccative and 0.5kg methyl ethyl ketoxime, stir 10-20 minute, with dimethylbenzene adjusting viscosity, at 0.5-1.0Pas, filter, packing, obtains finished product.
Thick-film modified alkyd paint the key technical indexes of the present invention is in Table 1.
Table 4 embodiment performance data
Part not in the detailed description of the invention is prior art.
Claims (6)
1. a thick-film modified alkyd paint, it is characterized in that: its composition is Synolac 20-40 part by weight, modified resin 10-20 part, organobentonite 0.5-1.0 part, organophosphate 0.5-1.0 part, dimethylbenzene 7-20 part, iron oxide red 10-20 part, talcum powder 8-15 part, sericite in powder 5-20 part, siccative 0.5-1.0 part, methyl ethyl ketoxime 0.2-0.5 part.
2. thick-film modified alkyd paint as claimed in claim 1, is characterized in that: the blending ratio of described Synolac and modified resin is 1:1～2:1.
3. a preparation method for thick-film modified alkyd paint as claimed in claim 1, is characterized in that: its preparation process is:
(1) press recipe ingredient, in material cylinder, add Synolac, dimethylbenzene and organophosphate, be mixed evenly;
(2) slowly add organobentonite, be dispersed to uniform state;
(3) add iron oxide red, talcum powder and sericite in powder, after disperseing, sand milling is to fineness≤60 μ m;
(4) add modified resin, siccative and methyl ethyl ketoxime, stir, with dimethylbenzene adjusting viscosity, at 0.5-1.0 Pas, filter, packing, obtains finished product.
4. the preparation method of thick-film modified alkyd paint as claimed in claim 3, is characterized in that: the rate of dispersion in step (2) is 700 revs/min, jitter time 10-20 minute.
5. the preparation method of thick-film modified alkyd paint as claimed in claim 3, is characterized in that: the rate of dispersion in step (3) is 1000 revs/min, jitter time 30 minutes.
6. the preparation method of thick-film modified alkyd paint as claimed in claim 3, is characterized in that: the churning time in step (4) is 10-20 minute.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925156A (en) * | 2016-06-20 | 2016-09-07 | 无锡市虎皇漆业有限公司 | One-step forming solvent type single-component quick drying hammer finish and preparation method |
| CN113881326A (en) * | 2021-10-28 | 2022-01-04 | 陕西宝塔山油漆股份有限公司 | Thick-coatable modified alkyd finish paint and preparation method thereof |
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| WO2000066669A1 (en) * | 1999-05-04 | 2000-11-09 | Flint Ink Corporation | Polyester based varnish for uv curable inks |
| CN101265325A (en) * | 2008-05-08 | 2008-09-17 | 上海交通大学 | Modified dry alkyd resin and mirror back curtain drenching paint |
| CN101386770A (en) * | 2007-09-14 | 2009-03-18 | 中涂化工（上海）有限公司 | High weather resistant leadless catalyst alkyde resin top-coat |
| CN102174291A (en) * | 2011-02-11 | 2011-09-07 | 中国电力科学研究院 | Organosilicon-modified alkyd resin paint composite and preparation method thereof |
| CN102993928A (en) * | 2012-11-30 | 2013-03-27 | 无锡市虎皇漆业有限公司 | Quick-drying type efficient anticorrosion alkyd iron red coating and preparation method thereof |
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2014
- 2014-01-27 CN CN201410039502.5A patent/CN103725175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000066669A1 (en) * | 1999-05-04 | 2000-11-09 | Flint Ink Corporation | Polyester based varnish for uv curable inks |
| CN101386770A (en) * | 2007-09-14 | 2009-03-18 | 中涂化工（上海）有限公司 | High weather resistant leadless catalyst alkyde resin top-coat |
| CN101265325A (en) * | 2008-05-08 | 2008-09-17 | 上海交通大学 | Modified dry alkyd resin and mirror back curtain drenching paint |
| CN102174291A (en) * | 2011-02-11 | 2011-09-07 | 中国电力科学研究院 | Organosilicon-modified alkyd resin paint composite and preparation method thereof |
| CN102993928A (en) * | 2012-11-30 | 2013-03-27 | 无锡市虎皇漆业有限公司 | Quick-drying type efficient anticorrosion alkyd iron red coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925156A (en) * | 2016-06-20 | 2016-09-07 | 无锡市虎皇漆业有限公司 | One-step forming solvent type single-component quick drying hammer finish and preparation method |
| CN113881326A (en) * | 2021-10-28 | 2022-01-04 | 陕西宝塔山油漆股份有限公司 | Thick-coatable modified alkyd finish paint and preparation method thereof |
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| CN103725175B (en) | 2016-08-17 |
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