CN103725105A - Fluorocarbon black slurry and preparation method thereof - Google Patents
Fluorocarbon black slurry and preparation method thereof Download PDFInfo
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- CN103725105A CN103725105A CN201310700733.1A CN201310700733A CN103725105A CN 103725105 A CN103725105 A CN 103725105A CN 201310700733 A CN201310700733 A CN 201310700733A CN 103725105 A CN103725105 A CN 103725105A
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- carbon black
- resin
- fluoro
- acrylic resin
- color paste
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Abstract
The invention discloses fluorocarbon black slurry, and a preparation method thereof. The fluorocarbon black slurry can prevent room-temperature cross-link fluorocarbon paint from flooding and floating and allow the color of the fluorocarbon paint to be uniform and consistent, and has excellent dispersity and storage stability, and good compatibility with fluororesin coating. The slurry comprises the following components by weight percentage: 20-30% of fluororesin, 30-45% of acrylic resin, 10-20% of dispersing agent, 0.5-1.0% of anti-settling agent, 20-30% of carbon black and 10-20% of organic solvent. The fineness of the slurry is not changed after stored for one year, and the slurry solves the problem that the color paste base material fluororesin has poor compatibility with other general color paste when the room-temperature cross-link fluorocarbon paint is manufactured, and the problems of difficult dispersion of the fluororesin, and low concentration and the like of the manufactured color paste when the color paste is manufactured. When the slurry is used for color matching of the fluorocarbon paint, no flooding or floating can be produced. For the fluorocarbon paint containing the acrylic resin and having a relatively general black floating phenomenon, the black floating phenomenon can be avoided completely when the slurry is used for the color matching.
Description
Technical field
The present invention relates to a kind of for cold cross-linking type fluorocarbon coating toning mill base and preparation method thereof, particularly a kind of toning mill base prepared by fluoro-resin and acrylic resin and preparation method thereof that adopts.
Background technology
The application of cold cross-linking type Fu Tanqi China has had the history of more than ten years, obtained good development, but in Practical manufacturing process, because the consistency of fluoro-resin is poor, do not have a kind of general color paste can be applied to preferably fluorine carbon paint (even take yet compatibility problem of mill base that aldehyde ketone resin is base-material), with fluoro-resin, as base-material, manufacture mill base, disperse more difficult, jitter time is long, mill base concentration is low, especially with fluoro-resin base-material, manufacture carbon black color paste, also have the bad shortcoming of stability in storage.With the acrylic resin manufacture carbon black color paste good with fluoro-resin consistency, easily there is floating phenomenon in the toning product obtaining, causes film defect or affect colour consistency.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can make cold cross-linking type fluorine carbon paint do not occur floating, solid colour and dispersed and have excellent storage stability and with good fluorine carbon carbon black color paste of fluorine resin coating consistency and preparation method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Fluorine carbon carbon black color paste of the present invention, is comprised of fluoro-resin, acrylic resin, dispersion agent, anti-settling agent, carbon black and organic solvent, and its each composition weight ratio range is:
Fluoro-resin ... 20-30
Acrylic resin ... 30-45
Dispersion agent ... 10-20
Anti-settling agent ... 0.5-1.0
Carbon black ... 20-30
Organic solvent ... 10-20
Wherein, described fluoro-resin is cold cross-linking type FEVE fluoro-resin; Described acrylic resin is the acrylic resin good with the weathering resistance of the close hydroxyl value of fluoro-resin; Described carbon black is the general carbon black of coating; Described dispersion agent is the high molecular weight block copolymer solution containing affine pigment group; Described anti-settling agent is organobentonite.
One of described each composition weight proportioning is:
Fluoro-resin ... 20
Acrylic resin ... 30
Dispersion agent ... 10
Anti-settling agent ... 0.5
Carbon black ... 20
Organic solvent ... 10.
Two of described each composition weight proportioning is:
Fluoro-resin ... 25
Acrylic resin ... 38
Dispersion agent ... 15
Anti-settling agent ... 0.7
Carbon black ... 25
Organic solvent ... 15.
Three of described each composition weight proportioning is:
Fluoro-resin ... 30
Acrylic resin ... 45
Dispersion agent ... 20
Anti-settling agent ... 1.0
Carbon black ... 30
Organic solvent ... 20.
Described organic solvent is one or more the mixture in butylacetate, propylene glycol methyl ether acetate, valeric acid dimethyl ester, DBE.
Described organic solvent is the mixture of propylene glycol methyl ether acetate and DBE.
The method of preparation of the present invention fluorine carbon of the present invention carbon black color paste, comprises the following steps:
1) abrasive is pre-dispersed: by formula ratio, take fluoro-resin and acrylic resin, add and disperse, in cylinder, to stir 5 minutes, then add dispersion agent with the speed of 600-800 rev/min, continue to stir 5 minutes;
2) add afterwards anti-settling agent, with the speed dispersed with stirring of 1200-1500 rev/min 5 minutes, and then stir with the speed of 350-450 rev/min, meanwhile, slowly add carbon black;
3) add organic solvent adjusting viscosity, and disperse to stir 15-20 minute with the speed of 1200-1500 rev/min;
4) grind: above-mentioned abrasive is proceeded in ball mill or three-roller and ground, be ground to the fineness that is not more than 20 μ m;
5) discharging: the abrasive that reaches fineness requirement is proceeded in discharging container, stir 5-10 minute with the speed of 400-600 rev/min.
Compared with prior art, fluorine carbon carbon black color paste of the present invention combines fluoro-resin, acrylic resin, dispersion agent, carbon black, its good stability, storing 1 year fineness does not change, it has not only solved when manufacturing cold cross-linking type fluorine carbon paint, the problem that its mill base base-material fluoro-resin and other general color paste consistency are poor, fluoro-resin difficulties in dispersion and the problems such as mill base concentration is low of making while also having solved manufacture mill base.Use the present invention to mix colours to not containing the cold cross-linking type fluorine carbon paint of acrylic resin, the fluorine carbon paint of adjusting can not produce floating phenomenon, for the comparatively general fluorine carbon paint that contains acrylic resin of black flooding phenomenon, use the present invention's toning can avoid occurring black flooding phenomenon completely.
Embodiment
Fluorine carbon carbon black color paste of the present invention, is comprised of fluoro-resin, acrylic resin, dispersion agent, anti-settling agent, carbon black and organic solvent, and wherein, fluoro-resin is cold cross-linking type FEVE fluoro-resin; Described acrylic resin for can with fluoro-resin with arbitrary proportion compatible and there is the acrylic resin good with the weathering resistance of the close hydroxyl value of fluoro-resin; Carbon black is the general carbon black of coating; Dispersion agent is the high molecular weight block copolymer solution containing affine pigment group; Described anti-settling agent is organobentonite; Organic solvent can be selected strong to fluoro-resin solvency power and belong to environmentally friendly solvent, as be one or more the mixture in butylacetate, propylene glycol methyl ether acetate, valeric acid dimethyl ester, DBE, be preferably the mixture of propylene glycol methyl ether acetate (hereinafter to be referred as PMA) and high boiling solvent mixed dibasic acid ester (hereinafter to be referred as DBE).
Each component in the present invention all adopts currently available products.
In fluorine carbon carbon black color paste of the present invention, each composition weight ratio range is:
Fluoro-resin ... 20-30
Acrylic resin ... 30-45
Dispersion agent ... 10-20
Anti-settling agent ... 0.5-1.0
Carbon black ... 20-30
Organic solvent ... 10-20.
Embodiment 1
By weight fraction shown in embodiment 1 in following table one, get each component, preparation method in accordance with the following steps:
Step 1: abrasive pre-dispersed: take JF-2X fluoro-resin 20kg and AC1150 acrylic resin 30kg, add and disperse in cylinder, with the speed of 600-800 rev/min, stir 5 minutes, two kinds of resins are fully mixed, add again BYK-163 dispersion agent 10kg and stir 5 minutes with the speed of 600-800 rev/min, add again afterwards SD-1 anti-settling agent 0.5kg, with the speed of 1200-1500 rev/min, disperse to stir 5 minutes, under stirring, the speed of 400 revs/min of left and right slowly adds U carbon black 20kg again, and with 2kgDBE and 2kgPMA organic solvent, adjust the viscosity of abrasive, with the speed of 1200-1500 rev/min, disperse to stir 15-20 minute more afterwards, to be ground.
Step 2: grind: the pre-dispersed good abrasive of step 1 is proceeded to vertical ball mill and grind, and clean the wall of container of splendid attire abrasive with 2kgPMA organic solvent, and the clout of cleaning is poured in vertical ball mill in the lump, be ground to the fineness that is not more than 20 μ m.
Step 3: discharging: mesh-of-grind reaches 20 μ m and gets final product below discharging, and with the clout in residue 4kgPMA organic solvent rotating wash bowl grinding machine, add in the lump in discharging container, then with the speed of 400-600 rev/min, stir 5-10 minute, make it to be uniform state, obtain fluorine carbon carbon black color paste of the present invention.
The fluorine carbon carbon black color paste stability in storage of the present embodiment is good, stores 1 year fineness and does not change.By its modulation not containing the cold cross-linking type fluorine carbon paint (hereinafter to be referred as pure fluorine carbon paint) of acrylic resin, do not produce floating phenomenon, especially for the comparatively general fluorine carbon paint that contains acrylic resin (changing fluorine carbon paint hereinafter to be referred as third) of black flooding phenomenon, use its toning can avoid occurring floating phenomenon completely.
The performance test results of the present embodiment is shown in following table two.
Embodiment 2
According to weight shown in the embodiment 2 in following table one, take value, repeat the method in step described in embodiment 1, prepare the fluorine carbon carbon black color paste of the present embodiment.
The present embodiment is identical with embodiment, and stability in storage is good, stores 1 year fineness and does not change, and the toning for described pure fluorine carbon paint, can not produce floating phenomenon, changes fluorine carbon paint to described third, uses the present embodiment toning also not produce floating phenomenon.
The performance test results of the present embodiment is shown in following table two.
Embodiment 3
According to weight shown in the embodiment 3 in following table one, take value, repeat the method in step described in embodiment 1, prepare the fluorine carbon carbon black color paste of the present embodiment.
The present embodiment is identical with embodiment, and stability in storage is good, stores 1 year fineness and does not change, and the toning for described pure fluorine carbon paint, can not produce floating phenomenon, changes fluorine carbon paint to described third, uses the present embodiment toning also not produce floating phenomenon.
The performance test results of the present embodiment is shown in following table two.
When preparation is of the present invention, aforementioned each embodiment first mixes fluoro-resin and acrylic resin, and this step is extremely important, afterwards, then other material program is in accordance with regulations added to stirring, thus, can obtain fluorine carbon carbon black color paste of the present invention.
By our experimental result and practical production experience in the past, if only use acrylic resin to manufacture carbon black color paste, identical even if institute adds the starting material such as dispersion agent, gained mill base is used for fluorine carbon paint toning, still can produce floating phenomenon.And acrylic resin and fluorocarbon resin are combined to making resin, then modulate fluorine carbon paint with the mill base that described dispersant makes, just there will not be floating phenomenon.
Table one is each embodiment component title, producer, model and weight proportion
Table two is each embodiment performance test results
Claims (7)
1. a fluorine carbon carbon black color paste, is characterized in that: it is comprised of fluoro-resin, acrylic resin, dispersion agent, anti-settling agent, carbon black and organic solvent, and its each composition weight ratio range is:
Fluoro-resin ... 20-30
Acrylic resin ... 30-45
Dispersion agent ... 10-20
Anti-settling agent ... 0.5-1.0
Carbon black ... 20-30
Organic solvent ... 10-20
Wherein, described fluoro-resin is cold cross-linking type FEVE fluoro-resin; Described acrylic resin is the acrylic resin good with the weathering resistance of the close hydroxyl value of fluoro-resin; Described carbon black is the general carbon black of coating; Described dispersion agent is the high molecular weight block copolymer solution containing affine pigment group; Described anti-settling agent is organobentonite.
2. fluorine carbon carbon black color paste according to claim 1, is characterized in that: its each composition weight proportioning is:
Fluoro-resin ... 20
Acrylic resin ... 30
Dispersion agent ... 10
Anti-settling agent ... 0.5
Carbon black ... 20
Organic solvent ... 10.
3. fluorine carbon carbon black color paste according to claim 1, is characterized in that: its each composition weight proportioning is:
Fluoro-resin ... 25
Acrylic resin ... 38
Dispersion agent ... 15
Anti-settling agent ... 0.7
Carbon black ... 25
Organic solvent ... 15.
4. fluorine carbon carbon black color paste according to claim 1, is characterized in that: its each composition weight proportioning is:
Fluoro-resin ... 30
Acrylic resin ... 45
Dispersion agent ... 20
Anti-settling agent ... 1.0
Carbon black ... 30
Organic solvent ... 20.
5. according to the fluorine carbon carbon black color paste described in any one in claim 1-4, it is characterized in that: described organic solvent is one or more the mixture in butylacetate, propylene glycol methyl ether acetate, valeric acid dimethyl ester, DBE.
6. according to the fluorine carbon carbon black color paste described in any one in claim 1-4, it is characterized in that: described organic solvent is the mixture of propylene glycol methyl ether acetate and DBE.
7. prepare in claim 1-6 a method for fluorine carbon carbon black color paste described in any one, comprise the following steps:
1) abrasive is pre-dispersed: by formula ratio, take fluoro-resin and acrylic resin, add and disperse, in cylinder, to stir 5 minutes, then add dispersion agent with the speed of 600-800 rev/min, continue to stir 5 minutes;
2) add afterwards anti-settling agent, with the speed dispersed with stirring of 1200-1500 rev/min 5 minutes, and then stir with the speed of 350-450 rev/min, meanwhile, slowly add carbon black;
3) add organic solvent adjusting viscosity, and disperse to stir 15-20 minute with the speed of 1200-1500 rev/min;
4) grind: above-mentioned abrasive is proceeded in ball mill or three-roller and ground, be ground to the fineness that is not more than 20 μ m;
5) discharging: the abrasive that reaches fineness requirement is proceeded in discharging container, stir 5-10 minute with the speed of 400-600 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310700733.1A CN103725105A (en) | 2013-12-19 | 2013-12-19 | Fluorocarbon black slurry and preparation method thereof |
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| CN201310700733.1A CN103725105A (en) | 2013-12-19 | 2013-12-19 | Fluorocarbon black slurry and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928897A (en) * | 2017-04-21 | 2017-07-07 | 佛山市卡乐尔新材料有限公司 | A kind of preparation method of silicone adhesive black wash |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06248225A (en) * | 1993-02-27 | 1994-09-06 | Toagosei Chem Ind Co Ltd | Pigment dispersion for fluororesin coating |
| CN1529740A (en) * | 2001-07-19 | 2004-09-15 | Pigment dispersions based on water and acrylate |
-
2013
- 2013-12-19 CN CN201310700733.1A patent/CN103725105A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06248225A (en) * | 1993-02-27 | 1994-09-06 | Toagosei Chem Ind Co Ltd | Pigment dispersion for fluororesin coating |
| CN1529740A (en) * | 2001-07-19 | 2004-09-15 | Pigment dispersions based on water and acrylate |
Non-Patent Citations (1)
| Title |
|---|
| 刘长亮: "常温交联型氟涂料拼合用丙烯酸树脂的研制", 《涂料工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928897A (en) * | 2017-04-21 | 2017-07-07 | 佛山市卡乐尔新材料有限公司 | A kind of preparation method of silicone adhesive black wash |
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Application publication date: 20140416 |