A kind of corrosion-and high-temp-resistant coating
Technical field
The present invention relates to a kind of coating, relate in particular to a kind of corrosion-and high-temp-resistant coating.
Background technology
With the continuous progress of expanding economy and science and technology, the environmental protection of people is illustrated also more and more by force, and country is comprehensively promoted energy-saving and emission-reduction as an important job, and this makes all trades and professions develop towards the direction of green, environmental protection, science and technology.Building coating is the indispensable decoration of building trade and protectiveness material; for being coated on building, decorative architecture thing or protection building; classified using position by building; interior wall coating, exterior coating, floor coating and roof paint can be divided into; but outer wall building coating generally existing problems with of the prior art, 1)Heat-insulating property is poor, in cold winter or during the broiling summer, all can not play good heat insulating effect, and 2)High temperature resistant, poor corrosion resistance, after using for a long time, exterior coating is gradually corroded, the quality of the attractive in appearance and exterior wall of the exterior wall having a strong impact on, and therefore, a kind of new coating of exigence solves above-mentioned technical problem.
Content of the invention
The present invention is exactly directed to technical problem present in prior art, provides a kind of cost relatively low, preparation method simple corrosion-and high-temp-resistant coating.
To achieve these goals, technical scheme is as follows:A kind of corrosion-and high-temp-resistant coating, it is characterized in that, described coating includes following component, as follows by mass, 30 40 parts of epoxy resin, 22 30 parts of kaolin, 13 parts of antiseptic, 15 parts of mould inhibitor, 15 25 parts of sericite, 10 20 parts of water, 10 14 parts of titanium dioxide, 10 13 parts of alumina powder, 12 parts of dispersant, 12 parts of antifreeze, 24 parts of expanded perlite, 12 parts of coalescents, silica flour 5-15 part, melamine 10-20 part, flyash 10-18 part, alumina silicate 20-30 part, silica 8-15 part, barium sulfate 1-3 part, wollastonite in powder 1-1.5 part, 30 35 parts of mixed solvent.This coatings chemistry good stability, has excellent heat-resisting and resistance to acids and bases, has antibacterial, mould proof effect.
As a modification of the present invention, described coating includes following component, as follows by mass, 33 38 parts of epoxy resin, 25 28 parts of kaolin, 1.5 2.5 parts of antiseptic, 24 parts of mould inhibitor, 18 22 parts of sericite, 11 18 parts of water, 12 13 parts of titanium dioxide, 11 12 parts of alumina powder, 1.5 1.8 parts of dispersant, 1.1 1.8 parts of antifreeze, 2.5 3.5 parts of expanded perlite, 1.2 1.8 parts of coalescents, silica flour 8-14 part, melamine 12-18 part, flyash 12-17 part, alumina silicate 22-29 part, silica 9-14 part, barium sulfate 1.5-2.8 part, wollastonite in powder 1.1-1.5 part, 31 34 parts of mixed solvent.
As a modification of the present invention, described mixed solvent is toluene, and butanol, wherein toluene, butanol mass ratio are 2.6 3.6:0.8—1.Described mixed solvent and said mixture react, and improve the settleability of coating, thixotropy further.
As a modification of the present invention, described mixed solvent is repefral, ethanol, and wherein repefral, ethanol mass ratio are 2.1 2.8:0.5—1.Described mixed solvent and said mixture react, and improve the settleability of coating, printing resistance further.
As a modification of the present invention, described coating also includes hollow glass micro mist, and described hollow glass micro mist is 24 parts, a diameter of 58 microns of described hollow glass micro mist.Described hollow glass micro mist, expanded perlite mix under certain proportion, can hinder the light wave of different wave length and the propagation of Thermal Infra-Red, play heat-insulated, insulation effect well.The outward appearance of film can be improved, to coating system, there is extinction with the optical property of adjusting coating.
As a modification of the present invention, described coating also includes catalyst, and described catalyst is 13 parts.Powder is solidified by described catalyst action.
As a modification of the present invention it is characterised in that described sericite is the wet-milling sericite of laminated structure.Add the ability that can improve coating shielding of ultraviolet and moisture penetration in coating, with film forming matter, chemical reaction occurs, be allowed to integral, so that film is had, the ground resistance that disappears is in the light penetrates, improve its resistance to water and weather resisteant, prevent cracking, postpone efflorescence, extend the service life of film;Reduce the consumption of resin, thus reducing production cost.Secondly, laminated structure, can improve the compactness of coating, eliminate pin hole bad phenomenon;The decentralization of coating and the resistance to air of film, resistance to water can also be improved, improve brushing uniformity.
The preparation method of coating described in a kind of corrosion-and high-temp-resistant coating it is characterised in that the method comprising the steps of,
1)Water is put in mixer, sequentially adds antiseptic, mould inhibitor, antifreeze, coalescents under 180 280 revs/min of rotating speed, stir 10 20 minutes after addition;
2)By titanium dioxide, alumina powder, silica flour, flyash, wollastonite in powder, kaolin stirs in no water receptacle, and in whipping process, temperature rises to 5-8 DEG C, and mixing time is 10 15 minutes, the homogeneous mixture after being stirred;
3)Add the homogeneous mixture of gained in step 2, sequentially add melamine, alumina silicate, silica, epoxy resin, dispersant, / 3rd catalyst, 2/3rds barium sulfate and the mixed solvent of a quarter, afterwards rotating speed be gradually increased to 600 800 revs/min in 5 minutes, keep this rotating speed time be 10 20 minutes;
4)Add remaining 2/3rds catalyst, remaining 1/3rd barium sulfate, 3/4ths intermixture, expanded perlite, hollow glass micro mist, sericite again, rotating speed slowly reduces, it is reduced to 150-200 rev/min in 5 minutes afterwards, this rotating speed time is kept to be 20 30 minutes, you can to obtain described corrosion-and high-temp-resistant coating.The method is simply it is easy to operate, and a whole set of operating process technique does not need to add new equipment, further reduces cost, is easy to large-scale promotion.
With respect to prior art, this invention has the advantage that, 1)Hollow glass micro mist, expanded perlite etc. is with the addition of in this technical scheme, wherein hollow glass micro mist, expanded perlite mix under certain proportion, the light wave of different wave length and the propagation of Thermal Infra-Red can be hindered, play heat-insulated, insulation effect well, can be with the optical property of adjusting coating, improve the outward appearance of film, to coating system, there is extinction;2)In this technical scheme, sericite is the wet-milling sericite of laminated structure.Add the ability that can improve coating shielding of ultraviolet and moisture penetration in coating, with film forming matter, chemical reaction occurs, be allowed to integral, so that film is had, the ground resistance that disappears is in the light penetrates, improve its resistance to water and weather resisteant, prevent cracking, postpone efflorescence, extend the service life of film;Reduce the consumption of resin, thus reducing production cost.Secondly, laminated structure, can improve the compactness of coating, eliminate pin hole bad phenomenon;The decentralization of coating and the resistance to air of film, resistance to water can also be improved, improve brushing uniformity.3)This coating can select two kinds of different mixed solvents, improves settleability, thixotropy and the printing resistance of coating further.4) coating that the method produces, product mix uniformly, and will not produce precipitation, and secondly, the levelability of coating is preferably it is not easy to ftracture.
Specific embodiment
In order to deepen the understanding of the present invention and understanding, with reference to specific embodiment, the present invention is further illustrated.
Embodiment
1
:
A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 30 parts of epoxy resin, 22 parts of kaolin, 1 part of antiseptic, 1 part of mould inhibitor, 15 parts of sericite, 10 parts of water, 10 parts of titanium dioxide, 10 parts of alumina powder, 1 part of dispersant, 1 part of antifreeze, 2 parts of expanded perlite, 1 part of coalescents, 5 parts of silica flour, 10 parts of melamine, 10 parts of flyash, 20 parts of alumina silicate, 8 parts of silica, 1 part of barium sulfate, 1 part of wollastonite in powder, 30 parts of mixed solvent, wherein mixed solvent are toluene, butanol, wherein toluene, butanol mass ratio are 2.6:0.8.This coatings chemistry good stability, has excellent heat-resisting and resistance to acids and bases, has antibacterial, mould proof effect.
Embodiment
2
:
A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 40 parts of epoxy resin, 30 parts of kaolin, 3 parts of antiseptic, 5 parts of mould inhibitor, 25 parts of sericite, 20 parts of water, 14 parts of titanium dioxide, 13 parts of alumina powder, 2 parts of dispersant, 2 parts of antifreeze, 4 parts of expanded perlite, 2 parts of coalescents, 15 parts of silica flour, 20 parts of melamine, 18 parts of flyash, 30 parts of alumina silicate, 15 parts of silica, 3 parts of barium sulfate, 1.5 parts of wollastonite in powder, 35 parts of mixed solvent, wherein mixed solvent are toluene, butanol, wherein toluene, butanol mass ratio are 3.6:1.
Embodiment
3
:
A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 33 parts of epoxy resin, 25 parts of kaolin, 1.5 parts of antiseptic, 2 parts of mould inhibitor, 18 parts of sericite, 11 parts of water, 12 parts of titanium dioxide, 11 parts of alumina powder, 1.5 parts of dispersant, 1.1 parts of antifreeze, 2.5 parts of expanded perlite, 1.2 parts of coalescents, 8 parts of silica flour, 12 parts of melamine, 12 parts of flyash, 22 parts of alumina silicate, 9 parts of silica, 1.5 parts of barium sulfate, 1.1 parts of wollastonite in powder, 31 parts of mixed solvent, described mixed solvent is repefral, ethanol, wherein repefral, ethanol mass ratio is 2.1:0.5.
Embodiment
4
:
A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 38 parts of epoxy resin, 28 parts of kaolin, 2.5 parts of antiseptic, 4 parts of mould inhibitor, 22 parts of sericite, 18 parts of water, 13 parts of titanium dioxide, 12 parts of alumina powder, 1.8 parts of dispersant, 1.8 parts of antifreeze, 3.5 parts of expanded perlite, 1.8 parts of coalescents, 14 parts of silica flour, 18 parts of melamine, 17 parts of flyash, 29 parts of alumina silicate, 14 parts of silica, 2.8 parts of barium sulfate, 1.5 parts of wollastonite in powder, 34 parts of mixed solvent, described mixed solvent is repefral, ethanol, wherein repefral, ethanol mass ratio is 2.8:1.
Embodiment
5
:
A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 35 parts of epoxy resin, 26 parts of kaolin, 2.5 parts of antiseptic, 3.5 parts of mould inhibitor, 20 parts of sericite, 17 parts of water, 13 parts of titanium dioxide, 12 parts of alumina powder, 1.5 parts of dispersant, 1.5 parts of antifreeze, 3 parts of expanded perlite, 1.5 parts of coalescents, 10 parts of silica flour, 15 parts of melamine, 15 parts of flyash, 25 parts of alumina silicate, 12 parts of silica, 2 parts of barium sulfate, 1.3 parts of wollastonite in powder, 32 parts of mixed solvent, described mixed solvent is repefral, ethanol, wherein repefral, ethanol mass ratio is 2.5:0.8.
Embodiment 6 :A kind of corrosion-and high-temp-resistant coating, described coating includes following material and composition, 36 parts of epoxy resin, 27 parts of kaolin, 2.3 parts of antiseptic, 3.8 parts of mould inhibitor, 21 parts of sericite, 16 parts of water, 12.5 parts of titanium dioxide, 11.5 parts of alumina powder, 1.6 parts of dispersant, 1.6 parts of antifreeze, 3.3 parts of expanded perlite, 1.6 parts of coalescents, 11 parts of silica flour, 16 parts of melamine, 16 parts of flyash, 26 parts of alumina silicate, 11 parts of silica, 2.5 parts of barium sulfate, 1.2 parts of wollastonite in powder, 32.5 parts of mixed solvent, wherein mixed solvent is toluene, butanol, wherein toluene, butanol mass ratio is 2.8:0.9.
Embodiment
7
:
As a modification of the present invention it is characterised in that described sericite is the wet-milling sericite of laminated structure.It is set to laminated structure, add the ability that can improve coating shielding of ultraviolet and moisture penetration in coating, there is chemical reaction with film forming matter, it is allowed to integral, so that film is had, the ground resistance that disappears is in the light penetrates, improve its resistance to water and weather resisteant, prevent cracking, postpone efflorescence, extend the service life of film;Reduce the consumption of resin, thus reducing production cost.Secondly, laminated structure, can improve the compactness of coating, eliminate pin hole bad phenomenon;The decentralization of coating and the resistance to air of film, resistance to water can also be improved, improve brushing uniformity.
Embodiment
8
:
Described in a kind of corrosion-and high-temp-resistant coating, the preparation method of coating, the method comprising the steps of, 1)Water is put in mixer, sequentially adds antiseptic, mould inhibitor, antifreeze, coalescents under 180 280 revs/min of rotating speed, stir 10 20 minutes after addition;
2)By titanium dioxide, alumina powder, silica flour, flyash, wollastonite in powder, kaolin stirs in no water receptacle, and in whipping process, temperature rises to 5-8 DEG C, and mixing time is 10 15 minutes, the homogeneous mixture after being stirred;
3)Add the homogeneous mixture of gained in step 2, sequentially add melamine, alumina silicate, silica, epoxy resin, dispersant, / 3rd catalyst, 2/3rds barium sulfate and the mixed solvent of a quarter, afterwards rotating speed be gradually increased to 600 800 revs/min in 5 minutes, keep this rotating speed time be 10 20 minutes;
4)Add remaining 2/3rds catalyst, remaining 1/3rd barium sulfate, 3/4ths intermixture, expanded perlite, hollow glass micro mist, sericite again, rotating speed slowly reduces, it is reduced to 150-200 rev/min in 5 minutes afterwards, this rotating speed time is kept to be 20 30 minutes, you can to obtain described corrosion-and high-temp-resistant coating.The method is simply it is easy to operate, and a whole set of operating process technique does not need to add new equipment, further reduces cost, is easy to large-scale promotion.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention; it is not used for limiting protection scope of the present invention; done equivalent or replacement on the basis of technique scheme; belong to protection scope of the present invention, protection scope of the present invention is defined by claims.