CN105623404A - Preparation method for imidized SMA-modified cationic styrene acrylic sealing primer - Google Patents
Preparation method for imidized SMA-modified cationic styrene acrylic sealing primer Download PDFInfo
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- CN105623404A CN105623404A CN201410712707.5A CN201410712707A CN105623404A CN 105623404 A CN105623404 A CN 105623404A CN 201410712707 A CN201410712707 A CN 201410712707A CN 105623404 A CN105623404 A CN 105623404A
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Abstract
The invention relates to a preparation method for an imidized SMA-modified cationic styrene acrylic sealing primer. The imidized SMA-modified cationic styrene acrylic sealing primer consists of 30 to 50 percent of imidized SMA-modified cationic styrene acrylic emulsion, 4 to 8 percent of titanium dioxide, 10 to 25 percent of an extender pigment, 1 to 5 percent of propylene glycol, 2 to 10 percent of an auxiliary and 20 to 35 percent of deionized water. The imidized SMA-modified cationic styrene acrylic sealing primer prepared by the preparation method has high alkali burnout resistance, salting-out resistance and sealing property; the base material permeability is high; the adhesive force to a base material and a finishing paint is high; the temperature resistance and the water resistance are excellent; because of cationic characteristics, the primer is cross-linked under an alkaline condition, and the alkali resistance and the salting-out resistance are extremely high; the sealing primer does not have a solvent, alkylphenol or a heavy metal, has extremely low VOC (Volatile Organic Compounds), and is environment-friendly; the primer is suitable for coating the surfaces of an inner wall, an outer wall, a cement wall, concrete, a gypsum board, an asbestos board and the like.
Description
Technical field
The preparation method that the present invention relates to a kind of building coating priming paint, particularly relates to a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat suitable in various coating for internal and external wall.
Background technology
The base material of skin mostly is cement mortar or concrete surface, and its feature is that concrete dynamic modulus, alkalescence are strong. Wherein loose structure makes its water absorption strong, causes decorative coveringn surface smooth not, it is easy to cause film wrinkling, and it is too fast and cause finish paint to ftracture to may result in dried coating film; Alkalescence can cause by force the chemical degradation of resin in coating, accelerates ginkgo seeds process, reduces the service life of coating, causes granules of pigments exposed simultaneously, and the protection losing resin causes fading; This feature based on base material, it is desirable to it must use alkali-resistant primer, stops the precipitation of alkali, salinity effectively, and provides at the bottom of a firm adherance for finish paint, could keep decorative coveringn beautiful persistently.
Existing phenylpropyl alcohol seal coat, sealing acrylic priming paint are typically all the modulation of anionic emulsion and form, but there is poor adhesive force, the shortcoming that alkali resistance is weak; The particle diameter of emulsion is relatively big, and surface tension is also very big, is generally difficult to penetrate in the tiny pore within ground, so the density of surface of bottom material film can only be relied on to realize the effect of back cover.
Particularity due to latex paint film forming, chemical reaction of becoming film can not be there is between macromolecule, simply evaporate according to self moisture, macromolecule micelle softens under the effect of coalescents and then mutually extrudes film forming, so paint film is not tight, space is more more, forms the porous coating of similar application on human skin after film forming, and the water vapour in base material can slowly appear; When it is for some cement walls not parched completely, in the slow dry run of body of wall, alkali in cement divides and soluble-salt can ooze out through coating as an aqueous solution from cement capillary tube, run into the CO2 in air and generate the carbonate of indissoluble, this whiteness is extremely difficult to be completely removed, the problems such as it not only can cause coating variable color to grow dim, peeling, and partial white thing can also be formed tear stains by the downward sagging of rain drop erosion, has a strong impact on decoration and the protective value of film; The effect of alkali-resistant primer is exactly that the salt in closed substrate, alkaline matter upwards migrate, to reduce the erosion to finish paint, increase the adhesive force of finish paint, and also finish paint can be stoped too much to penetrate into inside base material, reduce the consumption of finish paint, therefore, in exterior wall coating application, alkali-resistant sealing primer is requisite matched coating.
Summary of the invention
The present invention selects imidizate SMA modified cation styrene-acrylic emulsion, and compared with traditional anionic emulsion seal coat, this seal coat has the feature that alkali burnout resistance, salting-out resistance, closure are strong; Superior ground permeability is good with ground, finish paint adhesive force; The temperature tolerance of excellence, resistance to water; Cationic characteristic: cross-link in the basic conditions, alkali resistance, resistance to salting-out performance are fabulous; Solvent-free, without alkyl phenol, without heavy metal, extremely low VOC, environmental protection.
In order to solve techniques as described above problem, the present invention takes techniques below scheme: the present invention relates to a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat, its basic recipe is: imidizate SMA modified cation styrene-acrylic emulsion 30%��50%, titanium dioxide 4%��8%, extender pigment 10%��25%, propylene glycol 1%��5%, auxiliary agent 2%��10%, deionized water 20%��35%.
Wherein, described extender pigment fineness is 800��1500 orders, the combination selecting ground calcium carbonate, Kaolin, Pulvis Talci, silicon calcium powder, sericite powder more than at least three kinds.
Described auxiliary agent at least includes the combination of dispersant, coalescents, thickening agent, wetting agent, defoamer, pH adjusting agent and anticorrosion and bactericidal agent more than at least three kinds.
The preparation method preparation technology that the present invention proposes a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat is as follows: by formulation weight ratio water, defoamer, dispersant, wetting agent and antibacterial are added in agitator tank, low speed adds titanium dioxide and extender pigment after being uniformly dispersed, then high speed dispersion 15min��30min, after the fineness of slurry is qualified, imidizate SMA modified cation styrene-acrylic emulsion is added under middling speed state, then coalescents is at the uniform velocity added, the good viscosity of stirring and adjusting and pH value, namely a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat is prepared.
The imidizate SMA modified cation phenylpropyl alcohol seal coat that the present invention makes, has the alkali burnout resistance of excellence, salting-out resistance, and closure is strong; Superior ground permeability is good with ground, finish paint adhesive force; The temperature tolerance of excellence, resistance to water; Cationic characteristic, cross-links in the basic conditions, and alkali resistance, resistance to salting-out performance are fabulous; Solvent-free, without alkyl phenol, without heavy metal, extremely low VOC, environmental protection; Application suitable in surfaces such as inner-outer wall, cement wall, concrete, plasterboard, asbestos boards.
Detailed description of the invention
Embodiment 1:
A kind of imidizate SMA modified cation phenylpropyl alcohol seal coat, according to following raw materials according formulation weight ratio, it is prepared from by blender high speed dispersion: formula consists of: 20%��35% deionized water, 1%��5% propylene glycol, 0.1%��0.5% defoamer, 0.5%��2% dispersant, 0.05%��0.3% wetting agent, 0.1%��0.4% antibacterial, 4%��8% titanium dioxide, 5%��12% ground calcium carbonate, 5%��10% Kaolin, 1%��3% Pulvis Talci, 30%��50% imidizate SMA modified cation styrene-acrylic emulsion, 2%��6% coalescents, 0.5%��3% thickener rheology agent, 0.2%��1%pH regulator.
The imidizate SMA modified cation phenylpropyl alcohol seal coat that above-described embodiment is prepared makes film with cation phenylpropyl alcohol seal coat (comparative example 1) on the market, cation acrylic seal coat (comparative example 2), cation silicon the third seal coat (comparative example 3), detect according to relevant national standard, film performance is carried out contrast test, and test result is as shown in table 1.
Table 1: seal coat film performance
Know from upper table, the imidizate SMA modified cation phenylpropyl alcohol seal coat performance that the present invention makes has reached the performance of cation silicon the third seal coat, it is better than cation acrylic seal coat and cation phenylpropyl alcohol seal coat, but imidizate SMA modified cation phenylpropyl alcohol seal coat has cost advantage.
Although the present invention has been explained in detail and has quoted as proof embodiment, but for those of ordinary skill in the art, it is clear that can various schemes, amendment and change that make as specified above, should be construed as being included within scope of the claims.
Claims (4)
1. an imidizate SMA modified cation phenylpropyl alcohol seal coat, it is characterized in that: by weight percentage, it consists of: imidizate SMA modified cation styrene-acrylic emulsion 30%��50%, titanium dioxide 4%��8%, extender pigment 10%��25%, propylene glycol 1%��5%, auxiliary agent 2%��10%, deionized water 20%��35%.
2. a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat as claimed in claim 1, it is characterised in that: described described extender pigment fineness is 800��1500 orders, the combination selecting ground calcium carbonate, Kaolin, Pulvis Talci, silicon calcium powder, sericite powder more than at least three kinds.
3. a kind of cationic silicone/acrylic emulsion alkali resistant seal primer as claimed in claim 1, it is characterised in that: described auxiliary agent at least includes the combination of dispersant, coalescents, thickening agent, wetting agent, defoamer, pH adjusting agent and anticorrosion and bactericidal agent more than at least three kinds.
4. such as claim 1, 2, the preparation method of a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat described in 3, it is characterized in that: described preparation method includes: by formulation weight ratio, water, defoamer, dispersant, wetting agent and antibacterial are added in agitator tank, low speed adds titanium dioxide and extender pigment after being uniformly dispersed, then high speed dispersion 15min��30min, after the fineness of slurry is qualified, imidizate SMA modified cation styrene-acrylic emulsion is added under middling speed state, then coalescents is at the uniform velocity added, the good viscosity of stirring and adjusting and pH value, namely a kind of imidizate SMA modified cation phenylpropyl alcohol seal coat is prepared.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410712707.5A CN105623404B (en) | 2014-11-28 | 2014-11-28 | A kind of preparation method of imidizate SMA modified cations phenylpropyl alcohol seal coat |
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| CN201410712707.5A CN105623404B (en) | 2014-11-28 | 2014-11-28 | A kind of preparation method of imidizate SMA modified cations phenylpropyl alcohol seal coat |
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| CN105623404A true CN105623404A (en) | 2016-06-01 |
| CN105623404B CN105623404B (en) | 2017-09-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147485A (en) * | 2016-06-22 | 2016-11-23 | 林金溪 | A kind of resistance to salting-out anti-accumulation of salt in the surface soil seal coat and preparation method thereof |
| CN112625527A (en) * | 2020-12-18 | 2021-04-09 | 成都富思特新材料有限公司 | Maintenance-free coating wallboard and preparation method thereof |
| CN112646435A (en) * | 2020-12-18 | 2021-04-13 | 成都富思特新材料有限公司 | Paint layer capable of being pulverized |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006597A (en) * | 1987-10-06 | 1991-04-09 | Metal Coatings International Inc. | Black topcoating composition |
| CN102311686A (en) * | 2011-10-13 | 2012-01-11 | 沈阳顺风新城建筑材料有限公司 | White antialkali sealing priming paint and its preparation method |
-
2014
- 2014-11-28 CN CN201410712707.5A patent/CN105623404B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006597A (en) * | 1987-10-06 | 1991-04-09 | Metal Coatings International Inc. | Black topcoating composition |
| CN102311686A (en) * | 2011-10-13 | 2012-01-11 | 沈阳顺风新城建筑材料有限公司 | White antialkali sealing priming paint and its preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147485A (en) * | 2016-06-22 | 2016-11-23 | 林金溪 | A kind of resistance to salting-out anti-accumulation of salt in the surface soil seal coat and preparation method thereof |
| CN112625527A (en) * | 2020-12-18 | 2021-04-09 | 成都富思特新材料有限公司 | Maintenance-free coating wallboard and preparation method thereof |
| CN112646435A (en) * | 2020-12-18 | 2021-04-13 | 成都富思特新材料有限公司 | Paint layer capable of being pulverized |
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| CN105623404B (en) | 2017-09-08 |
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Effective date of registration: 20201224 Address after: 2149 Xinjiang road, Taizhou City, Jiangsu Province Patentee after: Jingjiang Yizhi CHUANGYOU Information Technology Co.,Ltd. Address before: 528000 fan Lake Economic Development Zone, Sanshui District, Foshan, Guangdong Patentee before: UNION (FOSHAN) CHEMICAL Co.,Ltd. Patentee before: SHAOGUAN UNION CHEMICAL Co.,Ltd. Patentee before: HUANGSHAN VIOLET BIOTECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230419 Address after: 274900 North of Wenzhou Industrial Park, 1200 meters east of the intersection of Yongfeng Ban Youth Road and Qianjin Road, Juye County, Heze City, Shandong Province Patentee after: Heze Ousai Coating Technology Co.,Ltd. Address before: 2149 Xinjiang road, Taizhou City, Jiangsu Province Patentee before: Jingjiang Yizhi CHUANGYOU Information Technology Co.,Ltd. |