CN106221317A - A kind of method of modifying of fire-resistant anticorrosion paint - Google Patents
A kind of method of modifying of fire-resistant anticorrosion paint Download PDFInfo
- Publication number
- CN106221317A CN106221317A CN201610612382.2A CN201610612382A CN106221317A CN 106221317 A CN106221317 A CN 106221317A CN 201610612382 A CN201610612382 A CN 201610612382A CN 106221317 A CN106221317 A CN 106221317A
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- China
- Prior art keywords
- mass ratio
- modifying
- fire
- temperature
- paint
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to the method for modifying of a kind of fire-resistant anticorrosion paint; it is to utilize the characteristic that Lithium metasilicate solution is nontoxic, high temperature resistant, film forming is good; with the galvanic element protection philosophy of zinc powder, it is mixed and adds certain solvent and high-temperature resistant anti-corrosive zinc-rich functional paint prepared by auxiliary agent.This technique is simple and with low cost, has preferable use value.
Description
Technical field
The present invention relates to a kind of coating, particularly to a kind of high temperature resistant zinc-rich anti-corrosive paint and method of modifying thereof, belong to painting
Material chemical field.
Background technology
The corrosion of metal is modal etch state.During corrosion, the interface of metal there occurs chemistry or electrochemistry
Heterogeneous reaction, makes metal proceed to aoxidize (ion) state, and this can significantly reduce the mechanics such as the intensity of metal material, plasticity, toughness
Performance, destroys the geometry of hardware, increases the abrasion between part, deteriorates the physical properties such as electrical and optical, and shortening sets
In standby service life, even cause the catastrophic failure such as fire, blast.
According to statistics, the iron and steel being directly lost due to corrosion every year, account for 1/4th of iron and steel annual production.People pass through
Various modes delay the corrosion rate of iron and steel, as improved base material, selecting anticorrosive, the increase coat of metal, interpolation inhibition
Agent, employing electrochemical protection.People suppress or stop corrosion of metal by adding other materials in simple metal, obtain
Success in various degree.But the trace substance added in ferrum may accelerate the speed of corrosion, and employing is less likely to occur
The material of corrosion solves the shortcoming of etching problem and is that, compared with original metal, its physical property has lacked, or
Person causes cost to increase due to the cost of alloy.The most the most frequently used anti-corrosion mode is exactly to needing metal to be protected additional
The individual face coat (or coating) having tolerance.The material that this type coating is used is different, but conventional be coating.
Common coating is the simplest covers isolation air, and antisepsis is the strongest.
The present invention, by developing a kind of rich, high temperature spelter coating, is coated in steel surface, thus is greatly prolonged making of steel construction
Use the life-span.This paint uses Lithium metasilicate to be base material, by Lithium metasilicate and zinc powder cross-linking reaction film forming under certain condition, Lithium metasilicate
Aqueous solution is water white transparency or the liquid in opalescent, nontoxic, do not fire.Lithium silicate aqueous solution has and has the glass of water-wetted surface
The characteristic of the surface reaction film forming of glass, iron and steel, aluminum and fiber etc., more than 60 DEG C can be carried out, and temperature is the highest, react the fastest.Make
For paint binder, available water as solvent, the film of formation, there is heat-resisting, radiation hardness, the performance such as nontoxic.The normal potential of zinc is relatively
Iron and steel is low, and when corrosive medium penetrates into, iron and steel forms galvanic element with zinc powder, and zinc powder loses electronics, iron and steel as the negative pole of galvanic element
Obtain electronics as positive pole and obtain protection.It addition, the anion binding in the zinc ion being dissolved out and corrosive medium and shape
Become basic zinc salt and zinc-iron double salt, fill up the crack of film, and reach to isolate etch-proof purpose.This coating property is stable,
Applied at elevated temperature not demoulding, has good resistance to elevated temperatures.
Summary of the invention
It is an object of the invention to provide a kind of high temperature resistant zinc-rich anti-corrosive paint and method of modifying thereof, for realizing this purpose,
This coating includes the raw material of following mass fraction:
Lithium metasilicate 5%-10%;
Ludox 20%-50%;
Dodecylbenzene sodium sulfonate 5%-10%;
Silane coupler 5%-10%;
Silicone acrylic emulsion 20%-30%;
Super-fine zinc dust 20%-30%;
A kind of high temperature resistant zinc-rich antiseptical method of modifying comprises the steps:
(1) pouring a certain amount of Lithium metasilicate solution into vessel in heating, temperature controls at 50-70 DEG C;
(2), under ceaselessly stirring, it is slowly added dropwise the Ludox of metering so that it is be sufficiently mixed;
Certain dodecylbenzene sodium sulfonate measured and silane coupler, high-speed stirred is added the most again in container;
(4) stop heating, when temperature is down to room temperature, add silicone acrylic emulsion;
(5) last add appropriate super-fine zinc dust, continuously stirred 10-15 minute a kind of high temperature resistant zinc-rich anti-corrosive paint.
The present invention has following advantages and a characteristic:
(1) good mechanical property, easy construction;
(2) technique is simple, low cost.
Detailed description of the invention
Embodiment one:
Taking 50g Lithium metasilicate solution and pour vessel in heating into, temperature controls at 50 DEG C, and ceaselessly stirs, then is slowly added dropwise 300g
Ludox so that it is be sufficiently mixed uniformly, the most again toward adding the silane coupled of 25g dodecylbenzene sodium sulfonate and 25g in container
Agent, high-speed stirred, after stirring, stop heating, when temperature is down to room temperature, add 300g silicone acrylic emulsion, finally add
300g zinc powder, continuously stirred 10-15 minute a kind of high temperature resistant zinc-rich anti-corrosive paint.
Embodiment two:
Taking 80g Lithium metasilicate solution and pour vessel in heating into, temperature controls at 60 DEG C, and ceaselessly stirs, then is slowly added dropwise 350g
Ludox so that it is be sufficiently mixed uniformly, the most again toward adding the silane coupled of 35g dodecylbenzene sodium sulfonate and 35g in container
Agent, high-speed stirred, after stirring, stop heating, when temperature is down to room temperature, add 300g silicone acrylic emulsion, finally add
200g zinc powder, continuously stirred 10-15 minute a kind of high temperature resistant zinc-rich anti-corrosive paint.
Embodiment three:
Taking 100g Lithium metasilicate solution and pour vessel in heating into, temperature controls at 70 DEG C, and ceaselessly stirs, then is slowly added dropwise 800g
Ludox so that it is be sufficiently mixed uniformly, adds the silane of 100g dodecylbenzene sodium sulfonate and 100g occasionally the most again in container
Connection agent, high-speed stirred, after stirring, stop heating, when temperature is down to room temperature, add 500g silicone acrylic emulsion, finally add
400g zinc powder, continuously stirred 10-15 minute a kind of high temperature resistant zinc-rich anti-corrosive paint.
Claims (2)
1. the method for modifying of a fire-resistant anticorrosion paint, it is characterised in that the method comprises the following steps:
(1) pouring a certain amount of Lithium metasilicate solution into vessel in heating, temperature controls at 50-70 DEG C;
(2), under ceaselessly stirring, it is slowly added dropwise the Ludox of metering so that it is be sufficiently mixed;
Certain dodecylbenzene sodium sulfonate measured and silane coupler, high-speed stirred is added the most again in container;
(4) stop heating, when temperature is down to room temperature, add silicone acrylic emulsion;
(5) last add appropriate super-fine zinc dust, continuously stirred 10-15 minute a kind of high temperature resistant zinc-rich anti-corrosive paint.
The method of modifying of a kind of fire-resistant anticorrosion paint the most according to claim 1, it is characterised in that the silicon of described interpolation
The mass ratio of acid lithium solution is 5%-10%, and Ludox mass ratio is 20%-50%, and dodecylbenzene sodium sulfonate ratio is 2%-
5%, silane coupler mass ratio is 3%-5%, and silicone acrylic emulsion mass ratio is 20%-30%, and super-fine zinc dust mass ratio is
20%-30%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610612382.2A CN106221317A (en) | 2016-07-31 | 2016-07-31 | A kind of method of modifying of fire-resistant anticorrosion paint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610612382.2A CN106221317A (en) | 2016-07-31 | 2016-07-31 | A kind of method of modifying of fire-resistant anticorrosion paint |
Publications (1)
Publication Number | Publication Date |
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CN106221317A true CN106221317A (en) | 2016-12-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610612382.2A Pending CN106221317A (en) | 2016-07-31 | 2016-07-31 | A kind of method of modifying of fire-resistant anticorrosion paint |
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CN (1) | CN106221317A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104877499A (en) * | 2015-05-24 | 2015-09-02 | 曾文江 | High-temperature-resistant zinc-rich paint and preparation method thereof |
-
2016
- 2016-07-31 CN CN201610612382.2A patent/CN106221317A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104877499A (en) * | 2015-05-24 | 2015-09-02 | 曾文江 | High-temperature-resistant zinc-rich paint and preparation method thereof |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |