CN104059523A - Preparation method of multifunctional ethyl polysilicate paint - Google Patents
Preparation method of multifunctional ethyl polysilicate paint Download PDFInfo
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- CN104059523A CN104059523A CN201410209206.5A CN201410209206A CN104059523A CN 104059523 A CN104059523 A CN 104059523A CN 201410209206 A CN201410209206 A CN 201410209206A CN 104059523 A CN104059523 A CN 104059523A
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Abstract
The invention discloses a preparation method of a multifunctional ethyl polysilicate paint. The paint is composed of ethyl orthosilicate, ethanol, water, hydrochloric acid, coupling agent, polyurethane, pigment and filler, and assistant. The method comprises the following steps: (1) base solution preparation: adding the ethyl orthosilicate and ethanol into a three-neck beaker, sufficiently stirring, adding the water and hydrochloric acid to initiate hydrolysis reaction, heating to 100 DEG C for boiling, distilling out the ethanol micromolecule product, controlling the product reaction degree according to the ethanol distillation amount, and adding the coupling agent to obtain the ethyl polysilicate base solution; and (2) paint preparation: proportionally and uniformly mixing the ethyl polysilicate base solution and polyurethane, and adding certain amounts of pigment and filler, and assistant to prepare the paint. The paint prepared by the method has excellent film-forming property, excellent radiation resistance, excellent water resistance, excellent heat resistance, excellent cold resistance, excellent pollution resistance, excellent electric insulation property, excellent elasticity and other special properties.
Description
Technical field
The present invention relates to chemical field, relate in particular to a kind of preparation method of multi-functional ethyl polysilicate coating.
Background technology
In recent years, along with the fast development of national economy and the sustainable growth of Iron And Steel Industry, the expansion of China's infrastructure construction scale, the protective coating problem of many governments heavy construction, priority project, large-scale steel bridge etc. has become the important topic of antiseptic project circle, especially at the anticorrosive coating of the steel iron facilities such as boats and ships, bridge bolted and welded girder connection portion surface of friction, just need to adopt the coating of the properties such as radiation hardness, water-fast, heat-resisting, cold-resistant, stain resistant, electrical insulating property and elasticity.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of preparation method of multi-functional ethyl polysilicate coating.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of preparation method of multi-functional ethyl polysilicate coating, its moiety comprises tetraethoxy, ethanol, water, hydrochloric acid, coupling agent, urethane, color stuffing and auxiliary agent.
In a preferred embodiment of the present invention, concrete steps comprise:
(1) preparation of base fluid: tetraethoxy and ethanol are added to fully stirring in three mouthfuls of beakers, and add water and hydrochloric acid, make it produce hydrolysis reaction, after completing, hydrolysis reaction is warming up to 100 DEG C of boilings, distill out ethanol small molecules product, control product level of response by the ethanol amount of steaming, add coupling agent to make ethyl polysilicate base fluid;
(2) preparation of coating: after ethyl polysilicate base fluid and urethane are uniformly mixed by proportioning, add a certain amount of color stuffing and auxiliary agent to make coating.
In a preferred embodiment of the present invention, described coupling agent is Silane coupling agent KH550.
In a preferred embodiment of the present invention, described auxiliary agent is cellulose family auxiliary agent.
In a preferred embodiment of the present invention, in described step (1), the ratio of tetraethoxy, ethanol, water, hydrochloric acid, coupling agent is 10:3:1～1.5:0.01:0.002.
In a preferred embodiment of the present invention, the ratio 5:1 of ethyl polysilicate base fluid and urethane in described step (2).
The invention has the beneficial effects as follows: the preparation method of a kind of multi-functional ethyl polysilicate coating of the present invention, coating prepared by the method has the properties such as good film forming properties, radiation hardness, water-fast, heat-resisting, cold-resistant, stain resistant, electrical insulating property and elasticity.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
The embodiment of the present invention comprises: a kind of preparation method of multi-functional ethyl polysilicate coating, its moiety comprises tetraethoxy, ethanol, water, hydrochloric acid, coupling agent, urethane, color stuffing and auxiliary agent.
Concrete steps comprise:
(1) preparation of base fluid: tetraethoxy and ethanol are added to fully stirring in three mouthfuls of beakers, and add water and hydrochloric acid, make it produce hydrolysis reaction, after completing, hydrolysis reaction is warming up to 100 DEG C of boilings, distill out ethanol small molecules product, control product level of response by the ethanol amount of steaming, add coupling agent to make ethyl polysilicate base fluid, described coupling agent is Silane coupling agent KH550, in KH550 molecule, contain two kinds of different active genes---amino and oxygen base, be used for coupling organic polymer and mineral filler, strengthen its cohesiveness, improve the machinery of product, electric, water-fast, the performance such as anti-aging.
In described step (1), the ratio of tetraethoxy, ethanol, water, hydrochloric acid, coupling agent is 10:3:1.25:0.01:0.002 in the present embodiment.
(2) preparation of coating: after ethyl polysilicate base fluid and urethane are uniformly mixed by 5:1 proportioning, add a certain amount of color stuffing and auxiliary agent to make coating.
When described ethyl polysilicate base fluid and described urethane are pressed 5:1 proportioning, the over-all properties of coating is best, along with the increase of polyurethane content, its film forming properties, water tolerance and acid resistance are improved by poor, by good variation, the hardness after blend also declines to some extent, also can judge thus again, film forming properties is better, coating surface is finer and close, and the erosion meeting of water and acid seal paing film significantly declines, thereby has improved water-fast, the acid resistance of paint film.
Color stuffing described in the present embodiment is titanium dioxide, because color stuffing is hydroaropic substance, if the hydrophilic radical in coating base fluid is very little, and coating cracking, peeling dry linting, and also coating can solidify very soon; Color stuffing adds very few, does not reach the object of covering, affects its outward appearance.When color stuffing adds when too much, although hardness of paint film promotes to some extent, film forming properties variation, considers, and color stuffing add-on is comparatively suitable 20% time.If the viscosity of coating is too low or color stuffing adds too much, coating there will be demixing phenomenon, can not be long placed in, if dope viscosity is too low, should add auxiliary agent, and described auxiliary agent is the viscosity that cellulose family auxiliary agent contributes to improve coating.
Compared with prior art, the preparation method of a kind of multi-functional ethyl polysilicate coating of the present invention, coating prepared by the method has the properties such as good film forming properties, radiation hardness, water-fast, heat-resisting, cold-resistant, stain resistant, electrical insulating property and elasticity.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a preparation method for multi-functional ethyl polysilicate coating, is characterized in that, its moiety comprises positive silicon
Acetoacetic ester, ethanol, water, hydrochloric acid, coupling agent, urethane, color stuffing and auxiliary agent.
2. the preparation method of a kind of multi-functional ethyl polysilicate coating according to claim 1, is characterized in that: concrete steps comprise:
(1) preparation of base fluid: tetraethoxy and ethanol are added to fully stirring in three mouthfuls of beakers, and add water and hydrochloric acid, make it produce hydrolysis reaction, after completing, hydrolysis reaction is warming up to 100 DEG C of boilings, distill out ethanol small molecules product, control product level of response by the ethanol amount of steaming, add coupling agent to make ethyl polysilicate base fluid;
(2) preparation of coating: after ethyl polysilicate base fluid and urethane are uniformly mixed by proportioning, add a certain amount of color stuffing and auxiliary agent to make coating.
3. the preparation method of a kind of multi-functional ethyl polysilicate coating according to claim 1, is characterized in that: described coupling agent is Silane coupling agent KH550.
4. the preparation method of a kind of multi-functional ethyl polysilicate coating according to claim 1, is characterized in that: described auxiliary agent is cellulose family auxiliary agent.
5. the preparation method of a kind of multi-functional ethyl polysilicate coating according to claim 2, is characterized in that: in described step (1), the ratio of tetraethoxy, ethanol, water, hydrochloric acid, coupling agent is 10:3:1 ~ 1.5:0.01:0.002.
6. the preparation method of a kind of multi-functional ethyl polysilicate coating according to claim 2, is characterized in that: the ratio 5:1 of ethyl polysilicate base fluid and urethane in described step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410209206.5A CN104059523A (en) | 2014-05-19 | 2014-05-19 | Preparation method of multifunctional ethyl polysilicate paint |
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| CN201410209206.5A CN104059523A (en) | 2014-05-19 | 2014-05-19 | Preparation method of multifunctional ethyl polysilicate paint |
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| CN104059523A true CN104059523A (en) | 2014-09-24 |
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| CN201410209206.5A Pending CN104059523A (en) | 2014-05-19 | 2014-05-19 | Preparation method of multifunctional ethyl polysilicate paint |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532226A (en) * | 2014-12-18 | 2015-04-22 | 青岛乐化科技有限公司 | Environment-friendly organic-inorganic hybrid aluminum alloy primer and preparation method thereof |
| CN105419628A (en) * | 2015-11-24 | 2016-03-23 | 太仓市金锚新材料科技有限公司 | High-temperature-resistant paint based on tetraethyl orthosilicate and preparation method thereof |
| CN107699114A (en) * | 2017-10-24 | 2018-02-16 | 苏州赛伍应用技术股份有限公司 | A kind of solvent-borne type barrier steam coating, coating stoste and preparation method and application |
| CN107699068A (en) * | 2017-10-24 | 2018-02-16 | 苏州赛伍应用技术股份有限公司 | A kind of anti-steam aqueous coating, coating stoste and preparation method and application |
| CN111826073A (en) * | 2020-08-20 | 2020-10-27 | 河南朗迪新材料科技有限公司 | Preparation method of waterproof coating |
-
2014
- 2014-05-19 CN CN201410209206.5A patent/CN104059523A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 何成等: "聚硅酸乙酯涂料应用研究", 《内江科技》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532226A (en) * | 2014-12-18 | 2015-04-22 | 青岛乐化科技有限公司 | Environment-friendly organic-inorganic hybrid aluminum alloy primer and preparation method thereof |
| CN104532226B (en) * | 2014-12-18 | 2017-02-01 | 青岛乐化科技有限公司 | Environment-friendly organic-inorganic hybrid aluminum alloy primer and preparation method thereof |
| CN105419628A (en) * | 2015-11-24 | 2016-03-23 | 太仓市金锚新材料科技有限公司 | High-temperature-resistant paint based on tetraethyl orthosilicate and preparation method thereof |
| CN107699114A (en) * | 2017-10-24 | 2018-02-16 | 苏州赛伍应用技术股份有限公司 | A kind of solvent-borne type barrier steam coating, coating stoste and preparation method and application |
| CN107699068A (en) * | 2017-10-24 | 2018-02-16 | 苏州赛伍应用技术股份有限公司 | A kind of anti-steam aqueous coating, coating stoste and preparation method and application |
| CN111826073A (en) * | 2020-08-20 | 2020-10-27 | 河南朗迪新材料科技有限公司 | Preparation method of waterproof coating |
| CN111826073B (en) * | 2020-08-20 | 2022-02-01 | 上海岩皇环保科技有限公司 | Preparation method of waterproof coating |
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Application publication date: 20140924 |