CN102898913B - Aqueous inorganic zinc rich paint - Google Patents
Aqueous inorganic zinc rich paint Download PDFInfo
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- CN102898913B CN102898913B CN201210409130.1A CN201210409130A CN102898913B CN 102898913 B CN102898913 B CN 102898913B CN 201210409130 A CN201210409130 A CN 201210409130A CN 102898913 B CN102898913 B CN 102898913B
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Abstract
The invention provides an aqueous inorganic zinc rich paint, which is prepared by mixing a component A with a component B according to a weight ratio of 4:1, wherein the component A comprises 30-32% of 500-mesh spherical/flaky zinc powder, 30-32% of 800-mesh spherical/flaky zinc powder, 30-32% of 1250-mesh spherical/flaky zinc powder, 6-8% of nanometer cerium dioxide and 2-4% of 800-mesh talcum powder; and the component B comprises 38-50% of potassium silicate, 10-20% of lithium silicate, 8-10% of potassium titanate whiskers, 5-12% of aqueous self-drying organic silicon modified acrylic resin, 0.2-0.5% of defoaming agent, 0.5-1% of wetting agent and 12-20% of water. The aqueous inorganic zinc rich paint provided by the invention has the characteristics of excellent corrosion resistance, physical and mechanical properties, wet resistance, high temperature resistance and strong construction adaptability.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to aqueous inorganic silicate zinc rich paint.
Background technology
Hardware mostly adopts the materials such as carbon steel, manganese steel, cast steel and is in alternation of wetting and drying, sunlight exposure, high velocity flow, salt fog and the environment such as water medium, microorganic adhesion for a long time, and corrosion in various degree can occur.One of antiseptic and rustproof the most frequently used method of hardware is at its surface-coated antifouling paste, with isolated corrosive medium and metal base.
Traditional anti-corrosive paint is organic solvent type coatings, as epoxy resin, polyurethanes etc., not only poisonous, have taste, inflammable, in storage and transportation, there is potential safety hazard, and easy to environment.Since the eighties in Chinese mid-term; countries in the world legislations of environmental protection to the volatile organic solvent (VOC) in coating containing quantitative limitation increasingly stringent; cause the research boom of water-based anticorrosive paint; wherein, with water glass, potassium, the lithium aqueous solution (base-material) waterborne inorganic einc-rich primer that is film forming matter because its good non-corrosibility, cheap, material are easy to get and Diamond Search discharge and receiving much concern.
The requirement of the aqueous inorganic zinc rich paint produced in the market to construction environment, supporting coating is harsher, as: construction relative humidity requires less than 85%, and coat-thickness is greater than more than 80 μm and needs spraying 3 ~ 4 road, otherwise easily produces be full of cracks; And snappiness, sticking power, thermotolerance (on average high temperature resistant 400 DEG C), impact strength, salt spray resistance, wet-heat resisting, weather resistance etc. need to improve.
Summary of the invention
For the above-mentioned defect that conventional organic solvents type priming paint in prior art and aqueous inorganic zinc rich paint exist, applicant, through Improvement, provides a kind of aqueous inorganic zinc rich paint.The present invention possesses excellent erosion resistance and physical and mechanical properties, and moisture-proof is high temperature resistant, and construction adaptability is strong.
Technical scheme of the present invention is as follows:
A kind of aqueous inorganic zinc rich paint, is mixed by the weight proportion of 4:1 by component A and B component, wherein,
Component A comprises:
500 order ball-type/sheet type zinc powders 30 ~ 32%
800 order ball-type/sheet type zinc powders 30 ~ 32%
1250 order ball-type/sheet type zinc powders 30 ~ 32%
Nano ceric oxide 6 ~ 8%
800 order talcum powder 2 ~ 4%
B component comprises:
Potassium silicate 38 ~ 50%
Lithium silicate 10 ~ 20%
Potassium titanate crystal whisker 8 ~ 10%
Aqueous self-drying organosilicon modified crylic acid resin 5 ~ 12%
Defoamer 0.2 ~ 0.5%
Wetting agent 0.5 ~ 1%
Water 12 ~ 20%
In said components except indicating, remaining purity meets industrial first grade requirement.
Its further technical scheme is:
Described defoamer is selected from mineral oil defoaming agent.
Described wetting agent is selected from polyether siloxane copolymer.
Advantageous Effects of the present invention is:
The present invention creatively selects 1250 orders, 800 orders and 500 orders ball-type/sheet type super-fine zinc dust to carry out composite, overcomes the zinc powder easily easy interstitial shortcoming in paint film of single particle size, ensure that the shielding of paint film, improve the erosion resistance of paint film.
The present invention selects the aqueous self-drying organosilicon modified crylic acid resin of water-and acrylate and organosilane monomer copolymerization as film-forming resin, because acrylate has stronger lipophilic-hydrophobic property and cementability, silicone resin has the netted chemical structure of similar quartz, good permeability, fast drying, makes the priming paint after film forming possess good water tolerance, erosion resistance, snappiness and base material sticking power.
The present invention selects potassium titanate crystal whisker as toughener, its diameter is tiny, atomic arrangement high-sequential, it is a kind of high performance strongthener, there is very excellent mechanical property and physicals---high strength, high-modulus, abrasion performance, high temperature resistant, moisture-proof is heat insulation, therefore, the interpolation of potassium titanate crystal whisker significantly strengthens the high thermal resistance of paint film, humidity resistance, shock resistance and snappiness.
The present invention with the addition of the nano ceric oxide of suitable proportion, the cerium dioxide rare earth of this nanometer can show many characteristics, as small-size effect, high-ratio surface effect, quantum effect, supraconductivity etc., it can participate in the solidification of paint film, and a screen layer can be formed in paint film, effectively isolated corrosive medium, makes paint film possess good erosion resistance; The stress of paint film can be reduced, improve the critical temperature difference of paint film cracking, improve its thermal shock resistance; In addition, the electronic structure of nano ceric oxide is to photoabsorption very responsive (especially UV-light), and paint film is placed in hot environment for a long time and does not produce be full of cracks, improves the weathering resistance of priming paint, extends work-ing life.
The present invention compared with prior art, has the following advantages:
(1) the present invention possesses excellent wet fastness and thermotolerance, and construction relative humidity requires≤95%, can be resistance to
High temperature 1000 DEG C, be better than commercial like product (construction relative humidity requires≤85%, high temperature resistant 400 DEG C), construction adaptability is strong.
(2) the present invention possesses excellent erosion resistance and physical and mechanical properties, time of drying is short, after testing, intact, the base material adhesion 1 grade in paint film salt spray resistance 6000h surface, paint film flexibility 1mm, impact strength 50kgcm, tensile strength 623MPa, Young's modulus 121GPa, extension strength 5%, can disposable thick painting 80 μm and not chapping.
(3) the present invention take water as solvent, and Diamond Search discharges, and nontoxic pollution-free, does not fire not quick-fried, meets environmentally friendly priming paint developing direction.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described.
In embodiment 1 ~ 4, each component of aqueous inorganic zinc rich paint and content thereof are see table 1.
Table 1
In embodiment 1 ~ 4, the preparation technology of aqueous inorganic zinc rich paint is as follows:
According to taking each composition contained by component A shown in table 1, first 500 orders, 800 orders, 1250 order ball-types or sheet type zinc powder, rare earth nano cerium dioxide and 800 order talcum powder stirrers are fully uniformly mixed 20 min, stirrer rotating speed 40 ~ 150 turns/min, obtains component A.
According to taking each composition contained by B component shown in table 1, first potassium silicate and lithium silicate stirrer are fully stirred 20min, stirrer rotating speed 400 ~ 500 turns/min; Again potassium titanate crystal whisker is slowly added in said mixture,
Add aqueous self-drying organosilicon modified crylic acid resin HA8840, polyether siloxane copolymer Wet270 and mineral oil defoaming agent NOPCO while stirring successively, continue to stir 10min; Finally add deionized water, stir 30min with stirrer, rotating speed 600 ~ 1200 turns/min, obtains B component.
During use, above-mentioned component A and B component are mixed according to the weight proportion of 4:1, stirs, obtained aqueous inorganic zinc rich paint finished product.
Test the main performance index of embodiment 1 made aqueous inorganic zinc rich paint finished product, the standard of test result and test institute foundation is see table 2.
Table 2
Effect of the present invention is further illustrated below by controlled trial.
Compared by aqueous inorganic zinc rich paint product existing on made for embodiment 1 aqueous inorganic zinc rich paint finished product and market, contrast project and result are see table 3.
Table 3
Table 2 and table 3 test-results show, compared with commercial like product, aqueous inorganic zinc rich paint of the present invention possesses more excellent erosion resistance and physical and mechanical properties, and moisture-proof is high temperature resistant, and construction adaptability is strong.
Test method described in above-described embodiment is this area ordinary method if no special instructions, and described raw material is commercial goods.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive without departing from the spirit and concept in the present invention or associate, all should think and be included within protection scope of the present invention.
Claims (3)
1. an aqueous inorganic zinc rich paint, is characterized in that: be mixed by the weight proportion of 4:1 by component A and B component, wherein,
Component A comprises:
500 order ball-type/sheet type zinc powders 30 ~ 32%
800 order ball-type/sheet type zinc powders 30 ~ 32%
1250 order ball-type/sheet type zinc powders 30 ~ 32%
Nano ceric oxide 6 ~ 8%
800 order talcum powder 2 ~ 4%
B component comprises:
Potassium silicate 38 ~ 50%
Lithium silicate 10 ~ 20%
Potassium titanate crystal whisker 8 ~ 10%
Aqueous self-drying organosilicon modified crylic acid resin 5 ~ 12%
Defoamer 0.2 ~ 0.5%
Wetting agent 0.5 ~ 1%
Water 12 ~ 20%
In said components except indicating, remaining purity meets industrial first grade requirement.
2. aqueous inorganic zinc rich paint according to claim 1, is characterized in that: described defoamer is selected from
Mineral oil defoaming agent.
3. aqueous inorganic zinc rich paint according to claim 1, is characterized in that: described wetting agent is selected from
Polyether siloxane copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210409130.1A CN102898913B (en) | 2012-10-24 | 2012-10-24 | Aqueous inorganic zinc rich paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210409130.1A CN102898913B (en) | 2012-10-24 | 2012-10-24 | Aqueous inorganic zinc rich paint |
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| Publication Number | Publication Date |
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| CN102898913A CN102898913A (en) | 2013-01-30 |
| CN102898913B true CN102898913B (en) | 2015-05-20 |
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| CN201210409130.1A Active CN102898913B (en) | 2012-10-24 | 2012-10-24 | Aqueous inorganic zinc rich paint |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666156B (en) * | 2013-12-07 | 2016-05-04 | 铜陵新九鼎铜文化产业有限公司 | A kind of UV resistant copper sculpture paints with acrylic resin |
| CN104356727A (en) * | 2014-11-14 | 2015-02-18 | 无锡伊佩克科技有限公司 | Water-based inorganic zinc-rich paint and preparation method thereof |
| CN104927569A (en) * | 2015-06-09 | 2015-09-23 | 王俐帧 | High-hardness paint for pneumatic elements |
| CN105713487B (en) * | 2016-05-01 | 2018-12-28 | 深圳市中科宏业科技有限公司 | Water corrosion-resistant epoxy paint and preparation method thereof |
| CN107573769A (en) * | 2017-08-31 | 2018-01-12 | 苏州仲勉装饰有限公司 | A kind of preparation method of organosilicon thermal insulation coatings for building |
| CN108531043B (en) * | 2018-05-09 | 2020-07-14 | 常州华祥碳材料科技有限公司 | Rare earth modified graphene water-based zinc-rich primer |
| CN109749545A (en) * | 2019-02-02 | 2019-05-14 | 萍乡通宇特种涂料有限公司 | Aqueous anticorrosion of steel structure metallic paint and preparation method thereof |
| CN114149715B (en) * | 2021-12-13 | 2022-11-04 | 重庆海联水性涂料有限公司 | Zinc-rich primer and application thereof |
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| CN101100569A (en) * | 2007-07-17 | 2008-01-09 | 华中师范大学 | Cavity corrosion proof zinc-rich paint and preparing method thereof |
| CN101691457A (en) * | 2009-09-25 | 2010-04-07 | 杨晓琳 | Inorganic zinc-rich paint and preparation method thereof |
| CN102146225A (en) * | 2011-03-09 | 2011-08-10 | 华南理工大学 | Waterborne room-temperature self-curing inorganic zinc rich coating |
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| JPS55106271A (en) * | 1979-02-09 | 1980-08-14 | Nippon Oil & Fats Co Ltd | Aqueous inorganic zinc-rich primer |
| JP5467431B2 (en) * | 2008-04-04 | 2014-04-09 | 敏倫 森実 | Water-based inorganic zinc-rich coating composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100569A (en) * | 2007-07-17 | 2008-01-09 | 华中师范大学 | Cavity corrosion proof zinc-rich paint and preparing method thereof |
| CN101691457A (en) * | 2009-09-25 | 2010-04-07 | 杨晓琳 | Inorganic zinc-rich paint and preparation method thereof |
| CN102146225A (en) * | 2011-03-09 | 2011-08-10 | 华南理工大学 | Waterborne room-temperature self-curing inorganic zinc rich coating |
Non-Patent Citations (1)
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| 水性无机富锌底漆的研究及几种富锌底漆的比较;王兆安等;《防腐蚀涂料与涂装专刊》;20070228;第10卷(第2期);第14-16页 * |
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