CN103881431A - Silane coupling agent modified lithium silicate base coating and preparation method thereof - Google Patents
Silane coupling agent modified lithium silicate base coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses silane coupling agent modified lithium silicate base coating. The silane coupling agent modified lithium silicate base coating is prepared from the following raw materials in parts by weight: 90 parts of lithium silicate, 3-10 parts of pigment, 3-10 parts of filler, 1-5 parts of silane coupling agent, 1-5 parts of curing agent and 2-5 parts of water. The silane coupling agent modified lithium silicate base coating overcomes the defects of hard and crisp coating, high fracturing rate and undesirable decorative effect, can be solidified at normal temperature automatically, is low in energy consumption, environment-friendly and pollution-free, and does not release VOC (volatile organic compound).
Description
Technical field
The present invention relates to coating material production field, relate in particular to a kind of silane coupler modified lithium silicate base coating, also relate to the preparation method of described silane coupler modified lithium silicate base coating.
Background technology
Lithium silicate base coating is the one in water glass coating (also claiming that water glass is inorganic paint).The component of water glass coating is water glass, solidifying agent, stopping composition and pigment and auxiliary etc.Water glass is the jointing compound in water glass coating, also claims base-material or tackiness agent, and it is the key ingredient of coating, main bonding and the filming function of rising.Water glass is made up of alkalimetal silicate, generally comprises lithium silicate (Li
2onSiO
2), sodium silicate (Na
2onSiO
2), potash water glass (K
2onSiO
2) and potassium-sodium water glass (K
2oNa
2onSiO
2), wherein n refers to modulus.Testing data shows, alkalimetal silicate is with basic metal difference, its water tolerance difference.In general, be that lithium is better than potassium, potassium is better than sodium.Lithium ion is very little, and electric density is high, generates huge hydrated ion in solution, and obstruction silicon-dioxide ion is in contact with one another, polymerization, thereby can make lithium silicate base coating stable, high-module (water-tolerant when modulus is high).
Lithium silicate base coating, have the following advantages: 1) environmental protection, make solvent with water, avoided with an organic solvent producing pollution and murder by poisoning; 2) corrosion-resistant, there is the corrosion of higher organic solvent-resistant; 3) fire-retardant, high temperature resistant, radiation hardness; 4) hardness is high, wear resistance good, resistance to biological degradation.In addition it also has the self cure ability that most of inorganic paints do not have, excellent water tolerance and humid-dry cycling resistance.
The self cure of lithium silicate base coating, also claims from dryness,, after moisture spontaneous evaporation, can generate a kind of water-fast dry film.By contrast, silicic acid sodium-based coating or potassium silicate base coating, often need subsidiary conditions to solidify, and solidify after poor water resistance.This is that water-wetted surface refers to that surface has the material of hydroxyl (as glass, iron and steel, aluminium and fiber etc.) surface because lithium silicate base coating has the characteristic of reacting film forming with water-wetted surface.This film formation reaction can carry out above at 60 DEG C, and temperature is higher, reacts faster.Film forming thickness also increases with temperature of reaction and time.This membrane formation mechanism is hydroxyl reaction, to dehydrate mechanism different.Dehydrate and need high temperature, high humidity as condition of cure.
But also there is following defect in lithium silicate base coating: film is hard and crisp, be prone to be full of cracks, decorative effect is undesirable.Need to carry out modification to lithium silicate base coating for this problem, existing modification lithium silicate base coating mainly contains lithium silicate base coating, curing lithium silicate base coating, the sour modification lithium silicate base coating etc. of employing solidifying agent of thermofixation.The lithium silicate base coating property excellence of thermofixation, but need larger energy consumption, and very difficult for the outside construction of heavy construction.The lithium silicate base coating that external reinforcement agent is curing, its solidifying agent is mainly Sodium Silicofluoride, Sodium Silicofluoride environmental pollution is harmful, should give and abandons.Acid modification lithium silicate base coating easily produces gelling, needs accurately control sour mixed ratio and mix speed, and the excessive concentration of mixing excessive velocities or acid can make the local gel that occurs, and generates grain bulk insolubles, affects appearance of coat effect.
Summary of the invention
Film for lithium silicate base coating is hard and crisp, be prone to be full of cracks, the undesirable problem of decorative effect, the invention provides a kind of silane coupler modified lithium silicate base coating.
A kind of silane coupler modified lithium silicate base coating, the weight part of its raw material consists of:
Described lithium silicate is that mass percent is 20～30% the lithium silicate aqueous solution, and the modulus of lithium silicate is 4～25, and described silane coupling agent is water-soluble and is hydrolyzed into alkalescence.
Lithium silicate is dehydrating and curing very easily, therefore lithium silicate generally exists with the lithium silicate aqueous solution, and the water of 2～5 weight parts that add in raw material is for tentatively wetting to pigment and filler.
When silane coupling agent consumption is more, snappiness compares poor, and pigment and amount of filler are many also can have certain influence to coating snappiness.
As preferably, the weight part of described raw material consists of:
When the modulus of lithium silicate is too small, its water tolerance and cohesiveness can be poor, and modulus crosses that too large fluidity is poor, unstable easy cohesion when storage, and preferably, the modulus of described lithium silicate is 4～10.
Further preferably, the modulus of described lithium silicate is 4～8.
Contriver, through repetition test discovery, adds a small amount of tensio-active agent in silane coupler modified lithium silicate base coating and can increase the dispersiveness of color stuffing, and preferably, described tensio-active agent is 0.1～1 weight part.
Select suitable filler, contribute to strengthen lithium silicate base coating cohesive strength, improve use temperature, reduce costs and reduce cure shrinkage, but lithium silicate base paint viscosity is too high when filling adding amount is too much, be both unfavorable for coating construction, also easily cause the defect such as bubble, pore.Therefore, filler type and content are very large on lithium silicate base coating mechanical property and heat resistance impact.The selection principle of filler is:
(1) linear expansivity of filler and lithium silicate are basically identical, ensure can not cause because thermal stresses is too high coating to lose efficacy in hot environment;
(2) filler itself also should have good mechanical strength, thermotolerance and water tolerance.
As preferably, described filler is one or more in silica powder, glass-cermic powder, mica powder, kaolin, coal clay.
According to the selection principle of above-mentioned filler, above 5 kinds of fillers all have linear expansivity close to lithium silicate, temperature tolerance good and mechanical strength high, and raw material be easy to get, with low cost.Because the main chemical compositions of above 5 kinds of fillers is silico-aluminate (siliceous oxide compound and the oxide compound of aluminium), be that it is all similar to the matrix composition of lithium silicate, therefore and consistency and Combination excellence between lithium silicate, be in particular in that mixed coating there will not be space or crackle, thereby effectively improved snappiness and the thermotolerance of coating.On the other hand,, all with a small amount of hydroxyl, can continue to react with lithium silicate in the surface of silica powder, glass-cermic powder, mica powder, kaolin, coal clay, makes after paint solidification more firm.
Be not only the color of wanting in order to mix us toward adding pigment in coating, also considered gloss, opacifying power, mobility, levelling property, weather resistance, film stability, ventilation property of pigment etc.
As preferably, described pigment is selected from carbon black, titanium oxide, ferric oxide, chromic oxide and cobalt oxide.
Titanium oxide claims again titanium dioxide, and because specific refractory power is high, other white pigment of energy force rate of scattering of light is all strong, has fabulous opacifying power in pigmented coating.The main component of carbon black is carbon, the fine size of carbon black, and it is the best a kind of black pigment of opacifying power and tinting strength, the heat-resisting and resistance to chemical attack of energy, can absorb spectrum of all kinds, so there is the black of height.The color of ferric oxide is by orange red to purplish red, and resistance to opticity is good, can be high temperature resistant, resistant foul smell body, alkaline-resisting, tinting strength good, strong covering power, is only second to carbon black.Chromic oxide claims again chrome green, has fast light and corrosion resistant characteristic.Cobalt oxide is except having the characteristic of common pigments, can also in coating, play a part to urge dry, helps coating rapid airing.
Silane coupling agent is the key of lithium silicate base modified paint, first must be able to be dissolved in water, after next is water-soluble, can not be acid, if acid, can make coating condense and affect coating final effect, thereby the silane coupling agent adopting is neutral meta-alkalescence, be preferably alkalescence, this type of silane coupling agent is the group that contains adsorbable H+, for example amino, as preferably, described silane coupling agent contains amino.
In silane coupled agent molecule, have simultaneously can and inanimate matter material (as glass, silica sand, metal etc.) chemically combined reactive group and with the chemically combined reactive group of organic material (synthetic resins etc.).Contain amino silane coupling agent and be alkalescence after water-soluble, can avoid lithium silicate to produce gel.On the other hand, contain amino silane coupling agent more easily and inanimate matter material effect, good bonding strength.Contain effect in amino silane coupling agent best be γ-aminopropyl triethoxysilane (KH550).
Described solidifying agent is inorganic solidification agent.Preferably, described solidifying agent is one or more the mixing in aluminum phosphate, silicon phosphate, zinc oxide.Aluminum phosphate, silicon phosphate, zinc oxide all nontoxic, do not fire, seepage force is strong, can form a network structure at three-dimensional space with other compositions of coating, produces hardness of matter, makes the structure of coating finer and close, firm, pore is by efficient sealed.
As preferably, described tensio-active agent is one or more in cellulose acetate, polyvinyl alcohol, methylcellulose gum.Tensio-active agent, as stabilization aid, can improve the dispersiveness of pigment and filler, and wherein cellulose acetate, polyvinyl alcohol, methylcellulose gum can further generate composite membrane-forming thing with lithium silicate, increases paint adhesion.
The preparation method who the invention also discloses a kind of silane coupler modified lithium silicate base coating, comprises the following steps:
(1) pigment and filler are mixed to get to mixture;
(2) mixture step (1) being obtained mixes with water and lithium silicate, makes lithium silicate;
(3) in described lithium silicate, add silane coupling agent, tensio-active agent and solidifying agent, after mixing, make silane coupler modified lithium silicate base coating.
For the coating that makes preparation reaches good fluidity and planeness, further improve decorative effect, need to control the granularity of pigment and filler, granularity is unsuitable excessive, preferably, the granularity≤10um of pigment and filler.
Compared with prior art, tool of the present invention has the following advantages:
Silane coupler modified lithium silicate base coating provided by the invention relatively with the lithium silicate base coating of existing other modifications, not only overcome film hard and crisp, be prone to be full of cracks, the undesirable problem of decorative effect, self cure at normal temperatures, energy consumption is little, VOC material (referring to the general name of holding at normal temperatures volatile organic substance) burst size is zero, and environmental protection is pollution-free.
Embodiment
Below in conjunction with example, to further detailed description of the present invention, but embodiments of the present invention are not limited to this.
Embodiment 1
Coating preparation
Silica powder and chromic oxide are ground respectively in ball mill, and filter out silica powder and the chromic oxide of granularity≤10um, the chromic oxide of getting 5 parts of granularity≤10um silica powders and 5 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 3 parts of γ-aminopropyl triethoxysilanes (KH550), 3 parts of aluminum phosphates and 1 part of zinc oxide, stir, obtain silane coupler modified lithium silicate coating.
The flexility of coating
The impact strength of coating is 30kgcm, and snappiness and the shock-resistance of coating are associated, and the shock-resistance intensity height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in time 2 h in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Embodiment 2
Mica and titanium oxide are ground respectively in ball mill, and filter out two micas and the titanium oxide of granularity≤10um, the titanium oxide of getting 5 parts of granularity≤10um micas and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 1 part of γ-aminopropyl triethoxysilane (kh550), 3 parts of aluminum phosphates and 0.5 part of zinc oxide, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 40kgcm, and snappiness and the shock-resistance of coating are associated, and the shock-resistance intensity height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour at normal temperature (10～40 DEG C) surface drying time, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Embodiment 3
Coating preparation
Silica powder and ferric oxide are ground respectively in ball mill, and filter out silica powder and the chromic oxide of granularity≤10um, the ferric oxide of getting 5 parts of granularity≤10um silica powders and 5 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 1 part of γ-aminopropyl triethoxysilane (KH550) and 1 part of aluminum phosphate, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 45kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour at normal temperature (10～40 DEG C) surface drying time, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Embodiment 4
Coating preparation
Mica and cobalt oxide are ground respectively in ball mill, and filter out mica and the cobalt oxide of granularity≤10um, the cobalt oxide of getting 10 parts of granularity≤10um micas and 5 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 1 part of γ-aminopropyl triethoxysilane (kh550) and 2 parts of aluminum phosphates, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 40kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour at normal temperature (10～40 DEG C) surface drying time, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 5
Coating preparation
Silica powder and titanium oxide are ground respectively in ball mill, and filter out silica powder and the titanium oxide of granularity≤10um, the titanium oxide of getting 10 parts of granularity≤10um silica powders and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 1 part of γ-aminopropyl triethoxysilane (kh550) and 3 parts of aluminum phosphates, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 40kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour at normal temperature (10～40 DEG C) surface drying time, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 6
Coating preparation
Silica powder and titanium oxide are ground respectively in ball mill, and filter out silica powder and the titanium oxide of granularity≤10um, the titanium oxide of getting 3 parts of granularity≤10um silica powders and 3 parts of granularity≤10um mixes, adding 2 parts of water and 90 parts of mass percents is that 30% modulus is that 4 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 2 parts of γ-aminopropyl triethoxysilanes (kh550) and 1 part of aluminum phosphate, stir, obtain required coating.
The flexility of coating
The shock-resistance of coating is 40kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour time in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 7
Coating preparation
Silica powder and titanium oxide are ground respectively in ball mill, and filter out silica powder and the titanium oxide of granularity≤10um, the titanium oxide of getting 10 parts of granularity≤10um silica powders and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 25% modulus is that 8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 5 parts of γ-aminopropyl triethoxysilanes (KH550) and 5 parts of aluminum phosphates, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 30kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour time in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 8
Coating preparation
Glass-cermic powder and titanium oxide are ground respectively in ball mill, and filter out glass-cermic powder and the titanium oxide of granularity≤10um, the titanium oxide of getting 10 parts of granularity≤10um glass-cermic powders and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 20% modulus is that 10 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 3 parts of γ-aminopropyl triethoxysilanes (kh550), 3 parts of aluminum phosphates and 1 part of cellulose acetate, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 30kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour time in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 9
Coating preparation
Coal clay and titanium oxide are ground respectively in ball mill, and filter out coal clay and the titanium oxide of granularity≤10um, the titanium oxide of getting 10 parts of granularity≤10um coal clay and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 1 part of γ-aminopropyl triethoxysilane (KH550), 3 parts of silicon phosphates and 0.5 part of polyvinyl alcohol, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 40kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in time 2 h in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Experimental example 10
Coating preparation
Kaolin and titanium oxide are ground respectively in ball mill, and filter out kaolin and the titanium oxide of granularity≤10um, the titanium oxide of getting 10 parts of granularity≤10um kaolin and 10 parts of granularity≤10um mixes, adding 5 parts of water and 90 parts of mass percents is that 22.5% modulus is that 4.8 the lithium silicate aqueous solution carries out mix and blend again, measure with diameter measurement instrument, degree of scatter in mixture reaches below 10um, elimination insolubles.In whipping process, slowly add 3 parts of γ-aminopropyl triethoxysilanes (kh550), 3 parts of zinc oxide and 0.1 part of methylcellulose gum, stir, obtain required coating.
The flexility of coating
The impact strength of coating is 35kgcm, and snappiness and the shock-resistance of coating are associated, and the impact strength height of coating can reflect that the snappiness of coating is good.
Other performances of coating
Coating is in 1 hour time in normal temperature (10～40 DEG C) surface drying, and be in one week set time completely; Paint solidification postadhesion power reaches 1 grade, and water-fast, organic solvent-resistant; Can resisting salt fog corrosion in coating 24h; Pencil hardness test reaches 5H.
Coating snappiness detection method
Because contriver's condition is limited, replace snappiness test with the shock-resistance of coating, in above embodiment, shock-resistance test is all to test in accordance with the following methods:
Paint paint film shock-resistance detects and is applicable to paint paint film shock strength and measures, and the quality of weight falls within it on model and do not cause that paint paint film destroys the product representation of the height that dispersion is large, units/kg cm.
One, paint paint film shock-resistance test material and equipment:
Tinplate (about 50 × 120 × 0.2～0.3mm), 4 times of magnifying glasses and paint film impact test device.
Two, measuring method and step:
1. test condition: should carry out under the condition of 23 ± 2 DEG C and relative humidity (50 ± 5) %.
2. paint film test piece is lain on the brill anvil of shock-testing machine, the test piece position that is hit is no less than 15mm far from edge, and each impact edge must not be less than 15mm.
3. weight is fixed on (height is specified or decided through consultation by product standard) on a certain height of slide cartridge, presses control knob, weight is freely fallen on drift, impact test piece.
4. mention weight and take out test piece, 4 times of magnifying glasses are observed paint film has flawless, peeling phenomenon.
If 5. paint film has and breaks, reduce weight height 5cm, revision test, until paint film crack-free or peel off.
6. record weight and the height of weight.
7. same test plate (panel) carries out three tests.
Three, the judgment method of paint paint film shock-resistance:
Observe paint film flawlesses, wrinkle, the phenomenon such as peel off with 4 times of magnifying glasses, be judged to the shock resistance of this sample paint at a certain height.
Other performance test methods of coating
Coating surface drying time is surface drying time, adopts and blows cotton pellet method; Paint adhesion test adopts cross-hatching adhesion-force tester; Salt fog resistance, adopts the test of salt fog anti-corrosion test case; Hardness test adopts QHQ measuring pencil durometer.
Claims (10)
1. a silane coupler modified lithium silicate base coating, is characterized in that, the weight part of its raw material consists of:
Described lithium silicate is that mass percent is 20～30% the lithium silicate aqueous solution, and the modulus of lithium silicate is 4～25, and described silane coupling agent is water-soluble and is hydrolyzed into alkalescence.
2. silane coupler modified lithium silicate base coating as claimed in claim 1, is characterized in that: the weight part of described raw material consists of:
3. silane coupler modified lithium silicate base coating as claimed in claim 1 or 2, is characterized in that: described tensio-active agent is 0.1～1 weight part.
4. silane coupler modified lithium silicate base coating as claimed in claim 1 or 2, is characterized in that: the modulus of described lithium silicate is 4～10.
5. silane coupler modified lithium silicate base coating as claimed in claim 1 or 2, is characterized in that: described silane coupling agent contains amino.
6. silane coupler modified lithium silicate base coating as claimed in claim 1 or 2, is characterized in that: described filler is one or more in silica powder, glass-cermic powder, mica powder, kaolin, coal clay.
7. silane coupler modified lithium silicate base coating as claimed in claim 1 or 2, is characterized in that: described solidifying agent is one or more the mixing in aluminum phosphate, silicon phosphate, zinc oxide.
8. the silane coupler modified lithium silicate base coating as described in claim 1 or 2 or 3, is characterized in that: described tensio-active agent is one or more in cellulose acetate, polyvinyl alcohol, methylcellulose gum.
9. the preparation method of the silane coupler modified lithium silicate base coating as described in claim as arbitrary in claim 1～8, is characterized in that, comprises the following steps:
(1) pigment and filler are mixed to get to mixture;
(2) mixture step (1) being obtained mixes with water and lithium silicate, makes lithium silicate;
(3) in described lithium silicate, add silane coupling agent, tensio-active agent and solidifying agent, after mixing, make silane coupler modified lithium silicate base coating.
10. the preparation method of silane coupler modified lithium silicate base coating as claimed in claim 9, is characterized in that: the granularity≤10um of pigment and filler.
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| CN107523107A (en) * | 2016-06-21 | 2017-12-29 | 中国科学院金属研究所 | A kind of aqueous environment protection inorganic metal heat treatment protective coating and its preparation and application |
| CN107033642A (en) * | 2017-05-04 | 2017-08-11 | 广州希森美克新材料科技有限公司 | Antifouling wear-resistant paint for metal surface and preparation method thereof |
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| CN107203164A (en) * | 2017-07-07 | 2017-09-26 | 苏州特瑞捷智能工程有限公司 | For the central controlled central control box of exhibition room equipment |
| CN107903675A (en) * | 2017-12-21 | 2018-04-13 | 金华联创塑粉科技有限公司 | A kind of low VOC environment-friendly type coatings and preparation method thereof |
| CN108329053A (en) * | 2017-12-31 | 2018-07-27 | 云南巧消渣科技有限公司 | The preparation method of environment protection colour terrace hardening agent |
| CN109107858A (en) * | 2018-08-31 | 2019-01-01 | 广东工业大学 | A kind of curing method of coating |
| CN109107858B (en) * | 2018-08-31 | 2021-11-26 | 广东工业大学 | Coating curing method |
| CN108997604A (en) * | 2018-09-08 | 2018-12-14 | 佛山市禅城区诺高环保科技有限公司 | The preparation method of iron film is covered in a kind of anticorrosion |
| CN112226163A (en) * | 2020-09-09 | 2021-01-15 | 四川共拓岩土科技股份有限公司 | Water glass temporary reinforcing material and preparation method thereof |
| CN112251058A (en) * | 2020-10-20 | 2021-01-22 | 深圳广田高科新材料有限公司 | Urban green road inorganic silicate coating and preparation method thereof |
| CN112724720A (en) * | 2020-12-23 | 2021-04-30 | 江苏永阳新材料科技有限公司 | Water-based environment-friendly inorganic paint for interior walls and preparation method thereof |
| CN112724720B (en) * | 2020-12-23 | 2022-04-22 | 江苏永阳新材料科技有限公司 | Water-based environment-friendly inorganic paint for interior walls and preparation method thereof |
| CN114133774A (en) * | 2021-12-30 | 2022-03-04 | 北京大学 | Inorganic silicone resin/basalt fiber composite high-temperature-resistant coating and preparation method thereof |
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