CN104449287A - Modified alkyd resin paint and preparation method thereof - Google Patents
Modified alkyd resin paint and preparation method thereof Download PDFInfo
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- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C08K5/00—Use of organic ingredients
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- C08K5/098—Metal salts of carboxylic acids
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract
The invention discloses modified alkyd resin paint and a preparation method thereof, and belongs to the technical field of paint. The modified alkyd resin paint comprises the following raw materials in parts by weight: 140-160 parts of long oil length alkyd resin, 50-60 parts of No. 200 solvent, 1.5-2.5 parts of EFKA-5054, 0.3-0.7 part of BYK-052, 4-6 parts of isocaprylic acid calcium-4%, 2-3 parts of organic bentonite, 0.2-0.4 part of ultramarine blue 08, 140-160 parts of titanium dioxide R-996, and 80-100 parts of precipitated barium sulphate. The preparation method comprises the steps of material preparation, pretreatment, premixing and sanding. The alkyd resin paint has excellent anticorrosion property, water resistance, weatherability and cold resisting property; the preparation method has the characteristics of being quick in drying, high in adhesive attraction, convenient for construction, favorable in gloss, short in preparation time, low in cost, and suitable for industrialized mass production.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to alkyd varnish of a kind of modification and preparation method thereof.
Background technology
Enamel paint has another name called enamel paint, English enamel, and conventional has phenolic enamel and synthetic enamel two class, take varnish as base-material, add that pigment grind makes, in magneto-optic color, film is hard afterwards in coating drying, is suitable for metal, window screening, grid, wooden, machinery instrument etc.
The utilization of China's enamel paint no matter in metal, all kinds of screen window, grid, essential articles for use and processing, machinery instrument protection etc. is very universal, littlely arrives greatly industry, fine parts etc. to life, ornament.But be applied in metallic anti-rust paint, boats and ships, instrument, the wooden non-corrosibility waiting the enamel coating of material, water tolerance, weathering resistance, package stability, the impact of performance of frost resistance etc. is limited, can not the protection that can imitate of row for a long time, in addition the compounding process spended time of enamel paint is long in the past, Making programme is loaded down with trivial details, complicated operation, and enamel paint is a kind of coating containing a large amount of organic solvent, there is volatile organic compound (VOC) poisonous, inflammable, harmful, contaminate environment, therefore certain limitation is had in use, and along with the progress of society, the environmental consciousness of the mankind improves constantly, advocate with harmonious low-carbon (LC), preserve the ecological environment, reduce contaminative energetically, the coating such as the enamel paint that high-effect high-quality is the theme become inexorable trend.
As Chinese patent CN102827527 discloses a kind of water-base epoxy enamel paint and preparation method thereof, specifically comprise: a kind of water-base epoxy enamel paint, be made up of first component and component B, wherein first component is by aqueous amine polymkeric substance, deionized water, medium chrome yellow medium yellow, titanium dioxide, process white, high molecular weight polypropylene acid esters, a modification compatibility emerging polyacrylic acid, ether modified polyorganosiloxane, silicon-dioxide, lemon yellow forms, component B is by E-51 epoxy resin, 601 epoxy resin, butyl glycol ether, nonionic emulsifier, polymer amine salt composition is through preparation first component, prepare component B and according to first, the construction ratio of component B weight ratio 2:1 has been constructed preparation, though the method has the advantages such as certain chemicals-resistant, sticking power, anti-impact force, owing to using the raw material of multiple types, there is the shortcoming that such as cost is high, process trouble, complicated operation, length consuming time, when making first, component B, all have employed the method for filter component, directly causing the loss of material, utilization ratio need to improve, and too increases the pollution to environment and burden simultaneously.
For another example Chinese patent CN102492355 discloses a kind of two component special medium high bake enamel paint and preparation method thereof, specifically comprises component one and is made up of S50 vibrin, BYK-161, dispersion agent, zinc phosphate, zinc yellow, titanium dioxide, process white, talcum powder, carbon black, flow agent, pimelinketone; Component two is made up of 325 aminoresin, CAB381-0.1 N-BUTYL ACETATE; By grinding, adjust rare, be that 3:1 has packed according to component one, two weight ratio, it also has good ornamental, the advantage such as weathering resistance, water tolerance, oil-proofness, but it use the organic compound such as a large amount of pimelinketone, diethylene glycol ether, hexanodioic acid, its environmental contamination need to improve; The preparation method of component one is loaded down with trivial details, and reaction modulating time is long, limits manufacture and paint process, and suitability for industrialized production etc.; In addition, the S50 vibrin price of use is more expensive, and raw material composition is a lot, and market price is higher, although can meet the basic demand of resistance to special medium, its cost is also self-evident.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of alkyd varnish of modification, this enamel paint has excellent non-corrosibility, water tolerance, weathering resistance, frost resistance;
Another object of the present invention is to the preparation method of the alkyd varnish that a kind of modification is provided, the method have dry fast, good, the easy construction of sticking power, gloss is good, prepare short, feature that cost is low consuming time, suitability for industrialized scale operation.
Object of the present invention is achieved through the following technical solutions: a kind of alkyd varnish of modification, and it is made up of the raw material of following weight parts:
The preparation method of above-mentioned alkyd varnish, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 4 ~ 5:1;
S2. pre-treatment: by the long oil alkyd preheating 22 ~ 26h got ready;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 250 ~ 350 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, organobentonite is accurately dropped into successively after stirring 3 ~ 7min, improve dispersing speed to 450 ~ 550 rev/min, stir 8 ~ 12min; Again improve dispersing speed to 850 ~ 950 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 45 ~ 55kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 13 ~ 17min under the rotating speed of 900 ~ 1100 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
Further, the preheating temperature of described resin is 28 ~ 32 DEG C.
The present invention has the following advantages:
1. present invention uses toughener process white, titanium dioxide is played to the effect supplementing and strengthen, decrease the use of titanium dioxide dramatically, reduce cost, improve economic benefit;
2. film forming matter 1107-M-70-5 resin used in the present invention needs preheating 22 ~ 26h in advance before use, facilitates dissolving and the dispersion of film forming matter 1107-M-70-5 resin, is conducive to sand milling, improves efficiency;
3. the present invention lifts dispersion impeller up and down in sand milling feeds intake process, and improves rotating speed and efficiently avoid powder bulk deposition on liquid level, improves the quality of sand milling efficiency and enamel paint;
4. the present invention improves sand milling technique when sand milling, obviously shortens the sand milling time, improves efficiency, is conducive to industrialization scale operation;
5. the alkyd varnish of modification of the present invention has excellent non-corrosibility, water tolerance, weathering resistance, frost resistance; Preparation method have dry fast, good, the easy construction of sticking power, gloss is good, prepare short, feature that cost is low consuming time, suitability for industrialized scale operation.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, and protection scope of the present invention is not limited to the following stated.
Embodiment 1: a kind of alkyd varnish of modification, it is made up of the raw material of following weight parts: soybean long oil type Synolac ETERKYD1107-M-70-5:140; 200# solvent: 50; EFKA-5054:1.5; BYK-052:0.3; Calcium iso-octoate-4%:4; BENTONESD-1:2; Ultramarine blue 08:0.2; Titanium dioxide R-996:140; Process white: 80.
The preparation method of above-mentioned alkyd varnish, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 4:1;
S2. pre-treatment: by the soybean long oil type Synolac ETERKYD 1107-M-70-5 that gets ready at 28 DEG C of preheating 22h;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 250 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, BENTONE SD-1 is accurately dropped into successively after stirring 3min, improve dispersing speed to 450 rev/min, stir 8min; Again improve dispersing speed to 850 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 45kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 13min under the rotating speed of 900 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
Embodiment 2: a kind of alkyd varnish of modification, it is made up of the raw material of following weight parts: soybean long oil type Synolac ETERKYD1107-M-70-5:160; 200# solvent: 60; EFKA-5054:2.5; BYK-052:0.7 calcium iso-octoate-4%:6; BENTONESD-1:3; Ultramarine blue 08:0.4; Titanium dioxide R-996:160; Process white: 100.
The preparation method of above-mentioned alkyd varnish, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 5:1;
S2. pre-treatment: by the soybean long oil type Synolac ETERKYD 1107-M-70-5 that gets ready at 32 DEG C of preheating 26h;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 350 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, BENTONE SD-1 is accurately dropped into successively after stirring 7min, improve dispersing speed to 550 rev/min, stir 12min; Again improve dispersing speed to 950 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 55kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 17min under the rotating speed of 1100 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
Embodiment 3: a kind of alkyd varnish of modification, it is made up of the raw material of following weight parts: soybean long oil type Synolac ETERKYD1107-M-70-5:150; 200# solvent: 54; EFKA-5054:1.8; BYK-052:0.5; Calcium iso-octoate-4%:5; BENTONESD-1:2.3; Ultramarine blue 08:0.3; Titanium dioxide R-996:148; Process white: 86.
The preparation method of above-mentioned alkyd varnish, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 4.4:1;
S2. pre-treatment: by the soybean long oil type Synolac ETERKYD 1107-M-70-5 that gets ready at 30 DEG C of preheating 24h;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 280 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, BENTONE SD-1 is accurately dropped into successively after stirring 4min, improve dispersing speed to 500 rev/min, stir 9min; Again improve dispersing speed to 900 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 48kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 15min under the rotating speed of 1000 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
Embodiment 4: a kind of alkyd varnish of modification, it is made up of the raw material of following weight parts: soybean long oil type Synolac ETERKYD1107-M-70-5:152; 200# solvent: 58; EFKA-5054:2.2; BYK-052:0.6; Calcium iso-octoate-4%:5.2; BENTONE SD-1:2.8; Ultramarine blue 08:0.35; Titanium dioxide R-996:152; Process white: 95.
The preparation method of above-mentioned alkyd varnish, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 4.8:1;
S2. pre-treatment: by the soybean long oil type Synolac ETERKYD 1107-M-70-5 that gets ready at 31 DEG C of preheating 25h;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 320 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, BENTONE SD-1 is accurately dropped into successively after stirring 6min, improve dispersing speed to 530 rev/min, stir 11min; Again improve dispersing speed to 930 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 52kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 14min under the rotating speed of 950 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
The long oil of soybean described in above-described embodiment type Synolac ETERKYD 1107-M-70-5 is provided by Changxing Chemical Industry (china) Co., Ltd..
Below by way of description of test beneficial effect of the present invention:
1. the improvement experiment of sand milling technique
As shown in table 1, the inventive method is improved sand milling technique when sand milling, obviously shortens the sand milling time, improves efficiency.
Table 1: before and after improving, the sand milling process time compares
As known from Table 1: the sand milling improvement opportunity of employing, improve the sand milling flow under CANS, PASS two kinds of mode of operation respectively, before ining contrast to improvement, obviously shorten the sand milling time of 1h.
2. Performance Detection experiment
The alkyd varnish prepared by embodiment 1-4 carries out performance test, and test result all meets the technical requirements index in table 2.
Table 2: project, technical requirements and detection method
Claims (3)
1. an alkyd varnish for modification, is characterized in that, it is made up of the raw material of following weight parts:
Long oil alkyd: 140 ~ 160; 200# solvent: 50 ~ 60;
EFKA-5054： 1.5～2.5； BYK-052： 0.3～0.7
Calcium iso-octoate-4%:4 ~ 6; Organobentonite: 2 ~ 3;
Ultramarine blue 08:0.2 ~ 0.4; Titanium dioxide R-996:140 ~ 160;
Process white: 80 ~ 100.
2. the preparation method of the alkyd varnish of a kind of modification as claimed in claim 1, it is characterized in that, it comprises the following steps:
S1. get the raw materials ready: by each raw material of above-mentioned formula precise, and 200# solvent is divided into A, B two parts, and the weight ratio of A, B two parts is 4 ~ 5:1;
S2. pre-treatment: by the long oil alkyd preheating 22 ~ 26h got ready;
S3. premix: pretreated resin, A part 200# solvent are dropped in dispersion machine, adjustment dispersing speed to 250 ~ 350 rev/min, EFKA-5054, BYK-052, calcium iso-octoate-4%, organobentonite is accurately dropped into successively after stirring 3 ~ 7min, improve dispersing speed to 450 ~ 550 rev/min, stir 8 ~ 12min; Again improve dispersing speed to 850 ~ 950 rev/min, drop into ultramarine blue 08, titanium dioxide R-996, process white successively, control rate of feeding is 45 ~ 55kg/min, and dispersion impeller number of times >=3 time should be lifted up and down in the process of feeding intake, with casing wall and the agitator disk of B part 200# solvent cleaning dispersion machine, high speed dispersion 13 ~ 17min under the rotating speed of 900 ~ 1100 revs/min;
S4. sand milling: the raw material after above-mentioned premix is dropped in sand mill and carries out sand milling, CANS technique unit mode single cylinder circulates 60 minutes, control sand milling flow is CANS is 800kg/h, sand milling is to fineness≤15 μm, change PASS technique into, controlling sand milling flow is 350kg/h, sand milling 2.8h, the alkyd varnish of obtained modification.
3. the preparation method of the alkyd varnish of a kind of modification as claimed in claim 1, is characterized in that, the preheating temperature of described resin is 28 ~ 32 DEG C.
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| CN201410675158.9A CN104449287A (en) | 2014-11-22 | 2014-11-22 | Modified alkyd resin paint and preparation method thereof |
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2014
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