CN104130659B - A kind of preparation method of water-repellent paint - Google Patents
A kind of preparation method of water-repellent paint Download PDFInfo
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- CN104130659B CN104130659B CN201410341919.7A CN201410341919A CN104130659B CN 104130659 B CN104130659 B CN 104130659B CN 201410341919 A CN201410341919 A CN 201410341919A CN 104130659 B CN104130659 B CN 104130659B
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Abstract
A kind of preparation method of water-repellent paint, including following step: acrylic acid aqueous solution is placed in reactor, heating, add starch, stirring reaction, obtain starch acrylate polymer；Silicon dioxide and sodium thiosulfate are placed in ball mill pulverizing, and the mixture obtained and paraffin, under conditions of temperature is 47 64 DEG C, is thoroughly mixed and obtains additive；The PH of regulation chlorinated polyethylene aqueous solution is 78, adds stearmide, reacts under conditions of temperature is 50 60 DEG C, stop heating, add starch acrylate polymer and additive, be sufficiently stirred for 1 2h, be sufficiently mixed, to be mixed complete after, i.e. can get water-repellent paint finished product；Preparation method of the present invention is simple, easily operates, and the raw material of employing is all readily available, and production cost is relatively low, and the coating water-proof produced is effective.By waterproof experiment, the coating impermeability of the present invention is 0.3MPa, keeps 30 minutes ne-leakages.
Description
Technical field:
The present invention relates to the preparation method of a kind of water-repellent paint, belong to paint field.
Background technology:
Object is exposed among air, by the erosion of oxygen, moisture etc., causes corrosion of metal, foxiness, cement wind
The breakoff phenomenons such as change.It is coated with coating at object surface, forms layer protecting film, it is possible to stop or postpone sending out of these breakoff phenomenons
Life and development, make extend the service life of various material.So, protective effect is a Main Function of coating.
Along with development and the refinement of domestic coating industry, the requirement with special functional coating is the most more come by market
The most prominent, wherein aging resistance, water-fast, acid-alkali-corrosive-resisting, the performance requirement such as fire-retardant are more increased, in order to meet every profession and trade to anti-
The requirement of water paint, produces high-performance, and widely used water-repellent paint is necessary.
Summary of the invention:
The present invention seeks to, for making up the deficiencies in the prior art, and the water-repellent paint of a kind of good water-proof effect is provided
Preparation method.
To achieve these goals, technical scheme is as follows:
A kind of preparation method of water-repellent paint, including following step:
(1) acrylic acid is configured to the acrylic acid aqueous solution that mass concentration is 5-10%, is placed in reactor, is heated to 40-
50 DEG C, add starch, stirring reaction 2-3h, obtain starch acrylate polymer；
(2) silicon dioxide and sodium thiosulfate are placed in ball mill wet ball grinding pulverize, wherein raw material, water and steel ball
Ratio is 1:3:5, and the mixture obtained and paraffin, under conditions of temperature is 47-64 DEG C, is thoroughly mixed and obtains additive,
Mixing time is 40-60min；
(3) chlorinated polyethylene is configured to the chlorinated polyethylene aqueous solution that mass concentration is 2-5%, regulates with sodium hydroxide
The PH of chlorinated polyethylene aqueous solution is 7-8, adds stearmide, reacts 1-2h, stop adding under conditions of temperature is 50-60 DEG C
Heat, adds the additive obtained in the starch acrylate polymer and step (2) obtained in step (1), is sufficiently stirred for 1-2h, fills
Point mixing, to be mixed complete after, i.e. can get water-repellent paint finished product；
Wherein, each raw material is respectively as follows: acrylic acid 50-60 part, starch 15-32 part, silicon dioxide 5-10 in terms of parts by weight
Part, sodium thiosulfate 2-8 part, paraffin 11-16 part, chlorinated polyethylene 21-28 part and stearmide 15-25 part.
The preparation method of described water-repellent paint, in each step, mixing speed is 300-500 rev/min.
The coating that preparation method according to described water-repellent paint prepares.
Preparation method of the present invention is simple, easily operates, and the raw material of employing is all readily available, and production cost is relatively low, produces
Coating water-proof is effective.By waterproof experiment, the coating impermeability of the present invention is 0.3MPa, keeps 30 minutes ne-leakages.
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Close specific embodiment, the present invention is expanded on further.
Embodiment 1:
A kind of preparation method of water-repellent paint, including following step:
(1) acrylic acid is configured to the acrylic acid aqueous solution that mass concentration is 10%, is placed in reactor, is heated to 40 DEG C,
Add starch, stirring reaction 3h, obtain starch acrylate polymer；
(2) silicon dioxide and sodium thiosulfate are placed in ball mill wet ball grinding pulverize, wherein raw material, water and steel ball
Ratio is 1:3:5, and the mixture obtained and paraffin, under conditions of temperature is 47 DEG C, is thoroughly mixed and obtains additive, stir
The time of mixing is 60min；
(3) chlorinated polyethylene is configured to the chlorinated polyethylene aqueous solution that mass concentration is 2%, regulates chlorine with sodium hydroxide
The PH changing polyethylene aqueous solution is 8, adds stearmide, reacts 2h, stops heating, add step under conditions of temperature is 50 DEG C
Suddenly the additive obtained in the starch acrylate polymer obtained in (1) and step (2), is sufficiently stirred for 1h, is sufficiently mixed, wait to mix
After conjunction completes, i.e. can get water-repellent paint finished product；
Wherein, each raw material is respectively as follows: 60 parts of acrylic acid, starch 15 parts, silica 10 part, sulfur for sulfur in terms of parts by weight
2 parts of sodium of acid, 16 parts of paraffin, chlorinated polyethylene 21 parts and stearmide 25 parts.
The preparation method of described water-repellent paint, in each step, mixing speed is 300 revs/min.
Being brushed several times on a glass (glass plate is first waxed) by coating, thickness is 1.5 millimeters, quiet puts 7 days, then puts
In people's baking oven, 50 DEG C ± 2 DEG C are dried 24 hours, place 3 hours, do waterproof experiment after taking-up, and impermeability is 0.3MPa.Keep
30 minutes ne-leakages.
Embodiment 2:
A kind of preparation method of water-repellent paint, including following step:
(1) acrylic acid is configured to the acrylic acid aqueous solution that mass concentration is 5%, is placed in reactor, is heated to 50 DEG C,
Add starch, stirring reaction 2h, obtain starch acrylate polymer；
(2) silicon dioxide and sodium thiosulfate are placed in ball mill wet ball grinding pulverize, wherein raw material, water and steel ball
Ratio is 1:3:5, and the mixture obtained and paraffin, under conditions of temperature is 64 DEG C, is thoroughly mixed and obtains additive, stir
The time of mixing is 40min；
(3) chlorinated polyethylene is configured to the chlorinated polyethylene aqueous solution that mass concentration is 5%, regulates chlorine with sodium hydroxide
The PH changing polyethylene aqueous solution is 7, adds stearmide, reacts 1h, stops heating, add step under conditions of temperature is 60 DEG C
Suddenly the additive obtained in the starch acrylate polymer obtained in (1) and step (2), is sufficiently stirred for 2h, is sufficiently mixed, wait to mix
After conjunction completes, i.e. can get water-repellent paint finished product；
Wherein, each raw material is respectively as follows: 50 parts of acrylic acid, starch 32 parts, silicon dioxide 5 parts, sulfur for sulfur in terms of parts by weight
8 parts of sodium of acid, 11 parts of paraffin, chlorinated polyethylene 28 parts and stearmide 15 parts.
The preparation method of described water-repellent paint, in each step, mixing speed is 500 revs/min.
Embodiment 3
A kind of preparation method of water-repellent paint, including following step:
(1) acrylic acid is configured to the acrylic acid aqueous solution that mass concentration is 7%, is placed in reactor, is heated to 50 DEG C,
Add starch, stirring reaction 2.5h, obtain starch acrylate polymer；
(2) silicon dioxide and sodium thiosulfate are placed in ball mill wet ball grinding pulverize, wherein raw material, water and steel ball
Ratio is 1:3:5, and the mixture obtained and paraffin, under conditions of temperature is 55 DEG C, is thoroughly mixed and obtains additive, stir
The time of mixing is 50min；
(3) chlorinated polyethylene is configured to the chlorinated polyethylene aqueous solution that mass concentration is 3%, regulates chlorine with sodium hydroxide
The PH changing polyethylene aqueous solution is 7, adds stearmide, reacts 2h, stops heating, add step under conditions of temperature is 60 DEG C
Suddenly the additive obtained in the starch acrylate polymer obtained in (1) and step (2), is sufficiently stirred for 1h, is sufficiently mixed, wait to mix
After conjunction completes, i.e. can get water-repellent paint finished product；
Wherein, each raw material is respectively as follows: 56 parts of acrylic acid, starch 26 parts, silicon dioxide 7 parts, sulfur for sulfur in terms of parts by weight
5 parts of sodium of acid, 12 parts of paraffin, chlorinated polyethylene 25 parts and stearmide 18 parts.
The preparation method of described water-repellent paint, in each step, mixing speed is 400 revs/min.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (5)
1. the preparation method of a water-repellent paint, it is characterised in that include following step: acrylic acid is configured to by (1)
Mass concentration is the acrylic acid aqueous solution of 5-10%, is placed in reactor, is heated to 40-50 DEG C, adds starch, stirring reaction
2-3h, obtains starch acrylate polymer；(2) silicon dioxide and sodium thiosulfate are placed in wet ball grinding powder in ball mill
Broken, wherein the ratio of raw material, water and steel ball is 1:3:5, and the mixture obtained and paraffin are the condition of 47-64 DEG C in temperature
Under, it being thoroughly mixed and obtain additive, mixing time is 40-60min；(3) chlorinated polyethylene is configured to mass concentration
For the chlorinated polyethylene aqueous solution of 2-5%, it is 7-8 with the pH of sodium hydroxide regulation chlorinated polyethylene aqueous solution, adds stearoyl
Amine, reacts 1-2h under conditions of temperature is 50-60 DEG C, stops heating, adds the starch acrylate obtained in step (1) and gathers
The additive obtained in compound and step (2), is sufficiently stirred for 1-2h, is sufficiently mixed, to be mixed complete after, i.e. can get waterproof
Coating finished product；Wherein, each raw material is respectively as follows: acrylic acid 50-60 part, starch 15-32 part, silicon dioxide in terms of parts by weight
5-10 part, sodium thiosulfate 2-8 part, paraffin 11-16 part, chlorinated polyethylene 21-28 part and stearmide 15-25
Part.
2. according to the preparation method of the water-repellent paint described in claim 1, it is characterised in that each raw material is scored with parts by weight
It is not: 50 parts of acrylic acid, starch 15 parts, silica 10 part, 8 parts of sodium thiosulfate, 11 parts of paraffin, chlorinated polyethylene 21
Part and stearmide 25 parts.
3. according to the preparation method of the water-repellent paint described in claim 1, it is characterised in that each raw material is scored with parts by weight
It is not: 60 parts of acrylic acid, starch 32 parts, silicon dioxide 5 parts, 2 parts of sodium thiosulfate, 16 parts of paraffin, chlorination
Polyethylene 28 parts and stearmide 15 parts.
4. according to the preparation method of the water-repellent paint described in claim 1, it is characterised in that each raw material is scored with parts by weight
It is not: 56 parts of acrylic acid, starch 22 parts, silicon dioxide 7 parts, 7 parts of sodium thiosulfate, 13 parts of paraffin, chlorination
Polyethylene 24 parts and stearmide 20 parts.
5. according to the preparation method of the water-repellent paint described in claim 1, it is characterised in that mixing speed in each step
For 300-500 rev/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410341919.7A CN104130659B (en) | 2014-07-18 | 2014-07-18 | A kind of preparation method of water-repellent paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341919.7A CN104130659B (en) | 2014-07-18 | 2014-07-18 | A kind of preparation method of water-repellent paint |
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| CN104130659A CN104130659A (en) | 2014-11-05 |
| CN104130659B true CN104130659B (en) | 2016-08-24 |
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| CN201410341919.7A Expired - Fee Related CN104130659B (en) | 2014-07-18 | 2014-07-18 | A kind of preparation method of water-repellent paint |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104911947B (en) * | 2015-05-28 | 2016-10-05 | 铜陵方正塑业科技有限公司 | waterproof paper bag and preparation method thereof |
| CN105017868A (en) * | 2015-07-31 | 2015-11-04 | 广西梧州龙鱼漆业有限公司 | Tea packing box dampproof paint |
| CN106995637A (en) * | 2017-03-29 | 2017-08-01 | 合肥天沃能源科技有限公司 | A kind of water proof anti-seepage material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108817A (en) * | 1984-12-07 | 1986-05-10 | 第一工业制药株式会社 | Permeable tarpaulin paint for fabric |
| WO2009134538A1 (en) * | 2008-04-30 | 2009-11-05 | Meadwestvaco Corporation | Water-based barrier coating compositions |
| CN103555090A (en) * | 2013-09-26 | 2014-02-05 | 芜湖杰诺科技有限公司 | Nano waterproof paint |
| CN103602154A (en) * | 2013-10-24 | 2014-02-26 | 青岛海伴塑胶工贸有限公司 | Waterproof paint difficult to fall off |
-
2014
- 2014-07-18 CN CN201410341919.7A patent/CN104130659B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108817A (en) * | 1984-12-07 | 1986-05-10 | 第一工业制药株式会社 | Permeable tarpaulin paint for fabric |
| JPS61138776A (en) * | 1984-12-07 | 1986-06-26 | 第一工業製薬株式会社 | Production of moisture permeable and water-proof coated cloth |
| WO2009134538A1 (en) * | 2008-04-30 | 2009-11-05 | Meadwestvaco Corporation | Water-based barrier coating compositions |
| CN103555090A (en) * | 2013-09-26 | 2014-02-05 | 芜湖杰诺科技有限公司 | Nano waterproof paint |
| CN103602154A (en) * | 2013-10-24 | 2014-02-26 | 青岛海伴塑胶工贸有限公司 | Waterproof paint difficult to fall off |
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| CN104130659A (en) | 2014-11-05 |
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