CN109943172A - A kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof - Google Patents
A kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof Download PDFInfo
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- CN109943172A CN109943172A CN201811576640.1A CN201811576640A CN109943172A CN 109943172 A CN109943172 A CN 109943172A CN 201811576640 A CN201811576640 A CN 201811576640A CN 109943172 A CN109943172 A CN 109943172A
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Abstract
The invention discloses a kind of aqueous silicon-acrylic coatings of compound resin base, it is composed of the following raw materials by weight: silicone acrylic emulsion 170-200, epoxy resin E51 16-20, beta-hydroxy alkylamide 6-9, allyl polyglycol 3-4, octylisothiazolinone 1-2, trihydroxy ethylamine oleate soap 1-2, epoxy sol lotion 25-30, the present invention is by promoting epoxy cross-linking, to realize the dispersion stabilization between each raw material, the uniformity and mechanical property of finished product coating are improved.
Description
Technical field
The invention belongs to paint fields, and in particular to a kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof.
Background technique
Organic silicone modified acrylate coating material since the bond energy of sword key is close to fluorine carbon chemical bond energy, weatherability can with contain
Fluorine resin coating is compared to beauty, and price only has the one third of fluororesin, it and fluorine-containing latex paint are weather-proof as building coating
The hot spot of Journal of Sex Research.Organosilicon Polymers have silicone oil, silicone resin and silicon rubber three classes.Wherein, polysiloxanes is that most common have
Machine silicon raw material, it is larger with the chemical structure and polarity spectrum of polyacrylate, poor compatibility, to solve this problem, can benefit
With graft copolymerization, the side-chain structure of pectination type is formed on acrylate polymer macromolecular chain.Foreign patent report benefit
With free radical and cationic polymerization is carried out with acrylic resin under strongly acidic conditions, the organic-silicon-modified of graft copolymerization is synthesized
Acrylic acid ester emulsion.With acrylate copolymer emulsion and organic silicon emulsion combination and Hydroxylated acrylic resin and it can also gather
Siloxanes carries out reaction preparation.In addition, the surface of organic silicon acrylic ester building coating film can be low, it is not easy to it is contaminated, be
Ideal exterior wall decorating coating.
Summary of the invention
The object of the present invention is to provide a kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof.
To achieve the above object, the invention adopts the following technical scheme:
A kind of aqueous silicon-acrylic coatings of compound resin base, it is composed of the following raw materials by weight:
Silicone acrylic emulsion 170-200, epoxy resin E51 16-20, beta-hydroxy alkylamide 6-9, allyl polyglycol 3-4, octyl
Isothiazolinone 1-2, trihydroxy ethylamine oleate soap 1-2, epoxy sol lotion 25-30.
What the epoxy sol lotion was made of the raw material of following weight parts:
Gum dammar 10-15, trimethylolpropane 3-4, ricinoleic acid 2-5, ethyl orthosilicate 30-40, catalyst 0.01-
0.02, propylene oxide 2-3.
The catalyst is p-methyl benzenesulfonic acid.
The preparation method of the epoxy sol lotion, comprising the following steps:
(1) trimethylolpropane is taken, is added in the dehydrated alcohol of 13-20 times of its weight, stirs evenly, gum dammar is added,
Increasing temperature is 60-70 DEG C, and insulated and stirred 1-2 hours, ethyl alcohol is distilled off, obtains pretreatment resin；
(2) ricinoleic acid, ethyl orthosilicate mixing are taken, is added in the deionized water of 40-50 times of mixture weight, stirs 3-5
Hour, obtain sol solution；
(3) above-mentioned pretreatment resin is taken, is added in sol solution, propylene oxide is added, stirs evenly, is sent to reaction kettle
In, it is passed through nitrogen, catalyst is added, insulated and stirred 2-3 hours at 100-110 DEG C, discharging, stirring is to room temperature to get described
Epoxy sol lotion.
A kind of preparation method of the aqueous silicon-acrylic coatings of compound resin base, comprising the following steps:
(1) extracting epoxy resin E51, allyl polyglycol mixing, are added in the deionized water of 30-40 times of mixture weight,
It stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 55-60 DEG C, insulated and stirred 100-120 minutes,
Discharging cooling, obtains epoxy aqueous solution；
(2) beta-hydroxy alkylamide is taken, is added in silicone acrylic emulsion, is stirred evenly, the third dispersion liquid of silicon is obtained；
(3) above-mentioned epoxy aqueous solution is taken, mixes, stirs evenly with epoxy sol lotion, above-mentioned the third dispersion liquid of silicon is added, is risen
High-temperature is 150-160 DEG C, insulated and stirred 1-2 hours, octylisothiazolinone is added, stirring to room temperature obtains compound resin cream
Liquid；
(3) take trihydroxy ethylamine oleate soap, be added in above-mentioned compound resin emulsion, 800-1000 revs/min stirring 1-2 hours, i.e.,
Obtain the aqueous silicon-acrylic coatings of compound resin base.
Advantages of the present invention:
The present invention uses trimethylolpropane to handle gum dammar first, and dispersion then is blended in ricinoleic acid, ethyl orthosilicate
Into aqueous solution, by ricinoleic acid to the facilitation of teos hydrolysis, silica solution is promoted to be formed, then with trihydroxy methyl
The gum dammar of propane processing is blended, and promotes esterification under the action of catalyst, introduces propylene oxide in the reaction, to esterification
Material progress is epoxy-modified, obtains epoxy sol lotion；Later using epoxy resin as raw material, it is blended with beta-hydroxy alkylamide,
It is distributed in silicone acrylic emulsion, then is reacted with epoxy sol emulsion blending, promote epoxy cross-linking, thus between realizing each raw material
Dispersion stabilization, improve the uniformity and mechanical property of finished product coating.
Specific embodiment
Embodiment 1
A kind of aqueous silicon-acrylic coatings of compound resin base, it is composed of the following raw materials by weight:
Silicone acrylic emulsion 170, epoxy resin E51 16, beta-hydroxy alkylamide 6, allyl polyglycol 3, octylisothiazolinone 1,
Trihydroxy ethylamine oleate soap 1, epoxy sol lotion 25.
What the epoxy sol lotion was made of the raw material of following weight parts:
Gum dammar 10, trimethylolpropane 3, ricinoleic acid 2, ethyl orthosilicate 30, catalyst 0.01, propylene oxide 2.
The catalyst is p-methyl benzenesulfonic acid.
The preparation method of the epoxy sol lotion, comprising the following steps:
(1) trimethylolpropane is taken, is added in the dehydrated alcohol of 13 times of its weight, stirs evenly, gum dammar is added, is increased
Temperature is 60 DEG C, and insulated and stirred 2 hours, ethyl alcohol is distilled off, obtains pretreatment resin；
(2) ricinoleic acid, ethyl orthosilicate mixing are taken, is added in 40 times of mixture weight of deionized water, stirs 3 hours,
Obtain sol solution；
(3) above-mentioned pretreatment resin is taken, is added in sol solution, propylene oxide is added, stirs evenly, is sent to reaction kettle
In, it is passed through nitrogen, catalyst is added, insulated and stirred 2 hours at 100 DEG C, discharging, stirring is to room temperature to get the asphalt mixtures modified by epoxy resin
Liposoluble latex solution.
A kind of preparation method of the aqueous silicon-acrylic coatings of compound resin base, comprising the following steps:
(1) extracting epoxy resin E51, allyl polyglycol mixing, are added in 30 times of mixture weight of deionized water, stir
Uniformly, it is sent in reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 55 DEG C, and insulated and stirred 100 minutes, discharging cooling obtained
Epoxy aqueous solution；
(2) beta-hydroxy alkylamide is taken, is added in silicone acrylic emulsion, is stirred evenly, the third dispersion liquid of silicon is obtained；
(3) above-mentioned epoxy aqueous solution is taken, mixes, stirs evenly with epoxy sol lotion, above-mentioned the third dispersion liquid of silicon is added, is risen
High-temperature is 150 DEG C, and insulated and stirred 1 hour, octylisothiazolinone is added, stirs to room temperature, obtains compound resin emulsion；
(3) trihydroxy ethylamine oleate soap is taken, is added in above-mentioned compound resin emulsion, 800- revs/min is stirred 1 hour to get described
The aqueous silicon-acrylic coatings of compound resin base.
Embodiment 2
A kind of aqueous silicon-acrylic coatings of compound resin base, it is composed of the following raw materials by weight:
Silicone acrylic emulsion 200, epoxy resin E51 20, beta-hydroxy alkylamide 9, allyl polyglycol 4, octylisothiazolinone 2,
Trihydroxy ethylamine oleate soap 2, epoxy sol lotion 30.
What the epoxy sol lotion was made of the raw material of following weight parts:
Gum dammar 15, trimethylolpropane 4, ricinoleic acid 5, ethyl orthosilicate 40, catalyst 0.02, propylene oxide 3.
The catalyst is p-methyl benzenesulfonic acid.
The preparation method of the epoxy sol lotion, comprising the following steps:
(1) trimethylolpropane is taken, is added in the dehydrated alcohol of 20 times of its weight, stirs evenly, gum dammar is added, is increased
Temperature is 70 DEG C, and insulated and stirred 2 hours, ethyl alcohol is distilled off, obtains pretreatment resin；
(2) ricinoleic acid, ethyl orthosilicate mixing are taken, is added in 50 times of mixture weight of deionized water, stirs 5 hours,
Obtain sol solution；
(3) above-mentioned pretreatment resin is taken, is added in sol solution, propylene oxide is added, stirs evenly, is sent to reaction kettle
In, it is passed through nitrogen, catalyst is added, insulated and stirred 3 hours at 110 DEG C, discharging, stirring is to room temperature to get the asphalt mixtures modified by epoxy resin
Liposoluble latex solution.
A kind of preparation method of the aqueous silicon-acrylic coatings of compound resin base, comprising the following steps:
(1) extracting epoxy resin E51, allyl polyglycol mixing, are added in 40 times of mixture weight of deionized water, stir
Uniformly, it is sent in reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, and insulated and stirred 120 minutes, discharging cooling obtained
Epoxy aqueous solution；
(2) beta-hydroxy alkylamide is taken, is added in silicone acrylic emulsion, is stirred evenly, the third dispersion liquid of silicon is obtained；
(3) above-mentioned epoxy aqueous solution is taken, mixes, stirs evenly with epoxy sol lotion, above-mentioned the third dispersion liquid of silicon is added, is risen
High-temperature is 160 DEG C, and insulated and stirred 2 hours, octylisothiazolinone is added, stirs to room temperature, obtains compound resin emulsion；
(3) trihydroxy ethylamine oleate soap is taken, is added in above-mentioned compound resin emulsion, 1000 revs/min are stirred 2 hours to get described
The aqueous silicon-acrylic coatings of compound resin base.
Performance test:
Abrasion resistance: > 5000 times；
Water resistance (30d): without blistering；
Degradation (40d): loss of gloss 7-9%.
Claims (5)
1. a kind of aqueous silicon-acrylic coatings of compound resin base, which is characterized in that it is composed of the following raw materials by weight:
Silicone acrylic emulsion 170-200, epoxy resin E51 16-20, beta-hydroxy alkylamide 6-9, allyl polyglycol 3-4, octyl
Isothiazolinone 1-2, trihydroxy ethylamine oleate soap 1-2, epoxy sol lotion 25-30.
2. a kind of aqueous silicon-acrylic coatings of compound resin base according to claim 1, which is characterized in that the asphalt mixtures modified by epoxy resin liposoluble
Latex solution is made of the raw material of following weight parts:
Gum dammar 10-15, trimethylolpropane 3-4, ricinoleic acid 2-5, ethyl orthosilicate 30-40, catalyst 0.01-
0.02, propylene oxide 2-3.
3. a kind of aqueous silicon-acrylic coatings of compound resin base according to claim 2, which is characterized in that the catalyst is
P-methyl benzenesulfonic acid.
4. a kind of aqueous silicon-acrylic coatings of compound resin base according to claim 2, which is characterized in that the asphalt mixtures modified by epoxy resin liposoluble
The preparation method of latex solution, comprising the following steps:
(1) trimethylolpropane is taken, is added in the dehydrated alcohol of 13-20 times of its weight, stirs evenly, gum dammar is added,
Increasing temperature is 60-70 DEG C, and insulated and stirred 1-2 hours, ethyl alcohol is distilled off, obtains pretreatment resin；
(2) ricinoleic acid, ethyl orthosilicate mixing are taken, is added in the deionized water of 40-50 times of mixture weight, stirs 3-5
Hour, obtain sol solution；
(3) above-mentioned pretreatment resin is taken, is added in sol solution, propylene oxide is added, stirs evenly, is sent to reaction kettle
In, it is passed through nitrogen, catalyst is added, insulated and stirred 2-3 hours at 100-110 DEG C, discharging, stirring is to room temperature to get described
Epoxy sol lotion.
5. a kind of preparation method of the aqueous silicon-acrylic coatings of compound resin base as described in claim 1, which is characterized in that including following
Step:
(1) extracting epoxy resin E51, allyl polyglycol mixing, are added in the deionized water of 30-40 times of mixture weight,
It stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 55-60 DEG C, insulated and stirred 100-120 minutes,
Discharging cooling, obtains epoxy aqueous solution；
(2) beta-hydroxy alkylamide is taken, is added in silicone acrylic emulsion, is stirred evenly, the third dispersion liquid of silicon is obtained；
(3) above-mentioned epoxy aqueous solution is taken, mixes, stirs evenly with epoxy sol lotion, above-mentioned the third dispersion liquid of silicon is added, is risen
High-temperature is 150-160 DEG C, insulated and stirred 1-2 hours, octylisothiazolinone is added, stirring to room temperature obtains compound resin cream
Liquid；
(3) take trihydroxy ethylamine oleate soap, be added in above-mentioned compound resin emulsion, 800-1000 revs/min stirring 1-2 hours, i.e.,
Obtain the aqueous silicon-acrylic coatings of compound resin base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811576640.1A CN109943172A (en) | 2018-12-23 | 2018-12-23 | A kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof |
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| CN201811576640.1A CN109943172A (en) | 2018-12-23 | 2018-12-23 | A kind of aqueous silicon-acrylic coatings of compound resin base and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011122602A1 (en) * | 2010-03-30 | 2011-10-06 | Hoya株式会社 | Dichroic dye-containing liquid, and polarizer |
| KR20160123188A (en) * | 2015-04-15 | 2016-10-25 | 정지희 | Visible-light responsive photocatalytic coating composition and preparation methods thereof |
| CN107118648A (en) * | 2017-07-04 | 2017-09-01 | 合肥市大卓电力有限责任公司 | A kind of new type environment friendly coating and preparation method thereof |
| CN107434946A (en) * | 2017-09-08 | 2017-12-05 | 苏州聚慧邦新材料科技有限公司 | A kind of preparation method of antibacterial organosol paint |
-
2018
- 2018-12-23 CN CN201811576640.1A patent/CN109943172A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011122602A1 (en) * | 2010-03-30 | 2011-10-06 | Hoya株式会社 | Dichroic dye-containing liquid, and polarizer |
| KR20160123188A (en) * | 2015-04-15 | 2016-10-25 | 정지희 | Visible-light responsive photocatalytic coating composition and preparation methods thereof |
| CN107118648A (en) * | 2017-07-04 | 2017-09-01 | 合肥市大卓电力有限责任公司 | A kind of new type environment friendly coating and preparation method thereof |
| CN107434946A (en) * | 2017-09-08 | 2017-12-05 | 苏州聚慧邦新材料科技有限公司 | A kind of preparation method of antibacterial organosol paint |
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