CN102732148A - Urushiol silicon high temperature resistant liquid anti-corrosion paint - Google Patents
Urushiol silicon high temperature resistant liquid anti-corrosion paint Download PDFInfo
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- CN102732148A CN102732148A CN2012101975866A CN201210197586A CN102732148A CN 102732148 A CN102732148 A CN 102732148A CN 2012101975866 A CN2012101975866 A CN 2012101975866A CN 201210197586 A CN201210197586 A CN 201210197586A CN 102732148 A CN102732148 A CN 102732148A
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Abstract
The invention discloses a urushiol silicon high temperature resistant liquid anti-corrosion paint, which is formed by mixing a paint vehicle and a urushiol silicon cross-linking agent in a mass ratio of 9:1. The urushiol silicon high temperature resistant liquid anti-corrosion paint can dry naturally at room temperature, has a long storage period and is not easy to deteriorate, and simultaneously has excellent anti-acid and anti-alkali corrosion performance under high temperature.
Description
Technical field
The invention belongs to the antifouling paste technical field, specifically is the high temperature resistant liquid antifouling paste of a kind of laccol silicon.
Background technology
Raw lacquer is claimed lacquer again, is China's special product, is described as " state's lacquer " of China.The raw lacquer of taking from lacquer tree is a kind of natural water and milk shellac varnish, has good weather resistance, wear resistance, moisture resistance, corrosion-resistant and characteristics such as heatproof and higher hardness, before thousands of years, just is used for the protection and the decoration of object plane.But filming of natural raw lacquer is more crisp, and be relatively poor to the sticking power of metal; It is alkaline-resisting, weathering resistance is relatively poor; The viscosity of raw lacquer is big, and construction is inconvenient; Though at room temperature film forming is higher to the temperature and humidity conditional request; In addition, contain in the raw lacquer and be prone to cause allergic material the people.For adapting to the needs of modern industry, at the good characteristic that keeps raw lacquer simultaneously, must improve the shortcoming of raw lacquer, raw lacquer is carried out modification.
The composition of raw lacquer is comparatively complicated, and its composition and content are different with the place of production, mainly comprise following five parts:
1, laccol, the staple of raw lacquer accounts for raw lacquer total amount about 50 ~ 70%;
2, laccase makes laccol form the catalyzer of macromole reticulattion, is only soluble in water;
3, gumminess glue is insoluble to organic solvent and water-soluble a kind of polysaccharose substance in the raw lacquer;
4, moisture, content is about 15 ~ 40%;
5, other compositions are various trace elements and oil content, alkane footpath and oxygenatedchemicals etc.
Laccol is the staple of raw lacquer, also is main film forming substance.Utilize its performance that is soluble in all kinds of SOLVENTS, be easy to it separated from raw lacquer with extraction process.The modification of raw lacquer is exactly in fact the modification of laccol.
Laccol is a verivate that contains the pyrocatechol of R group, and its structural formula is following:
Wherein, R is for containing C
15~ C
17Alkane, alkene, conjugation or non-conjugated dienes and alkatrienes.This structure shows, but laccol contains a plurality of reactive activity points: the Wasserstoffatoms on the phenyl ring on two hydroxyl ortho paras, can carry out addition reaction as phenol; Oxidation and polycondensation can take place in two adjacent hydroxyls each other on the phenyl ring; Exist unsaturated double-bond on the R side chain, particularly conjugated double bond, thereby laccol has the character of aromatic series and fatty compounds concurrently, under certain condition can be miscible, reaction with multiple monomer and resin, form various modified resin products.
Modification cashew resin product commonly used at present comprises: urushiol varnish, laccol urea formaldehyde, laccol epoxy resin, urushiol-Ti resin, laccol silicone resin etc.Application number is that the Chinese invention patent of 200410013565.X discloses a kind of laccol silicon nano anticorrosive coating and preparation method thereof; This coating comprises that following component and content thereof are following by weight percentage: laccol silicone resin 30 ~ 40%, epoxy resin 1 ~ 3%, nanometer rutile 1 ~ 3%, surplus are YLENE and propyl carbinol.This laccol silicon nano anticorrosive coating has the hydrophobic and oil repellent performance; But in order to improve the bonding force of paint and metal; Add epoxy resin, thereby reduced high temperature resistant, the anti-strong acid of modification cashew resin, highly basic and part mechanical property, satisfied not the high corrosion of part high temperature industry user's demand.Application number is that 200510014375.4 Chinese invention patent discloses a kind of internal wall anticorrosive coating for sea water evaporating installation, in low-temperature multiple-effect distillation sea water desalting technology, and carbon steel material evaporation equipment inner wall anti-corrosive coating; Base-material is one or more of epoxy resin, modified urushiol fire resistant resin, and the modified urushiol fire resistant resin is one or more of the laccol silicone resin that obtained through chemical modification by the laccol that extracts in the raw lacquer, laccol formaldehyde epoxy resin, urushiol-furfural resin, urushiol-Ti resin, and color stuffing is a white titanium pigment; Talcum powder, mica powder, iron mica; Aerosil; Silica flour, porcelain powder, one or more of wilkinite.But, high temperature resistant, the anti-strong acid of modification cashew resin, highly basic and part mechanical property have been reduced because it selects for use epoxy resin or furfuryl resin as base-material.Its corrosion resistance is for being 5%H at massfraction
2SO
4, the 144h that seethes with excitement among 5%HCl or the 5%NaOH, satisfied not part high temperature high corrosion industry such as users' such as petroleum and petrochemical industry basin, pipe laying demand.
Summary of the invention
The objective of the invention is to provide a kind of laccol silicon high temperature resistant liquid antifouling paste, but the high temperature resistant liquid antifouling paste of this laccol silicon room temperature air dry, storage period are long and not perishable, acid-and base-resisting corrosive nature at high temperature is good simultaneously.
For realizing the foregoing invention purpose, the high temperature resistant liquid antifouling paste of laccol silicon of the present invention is mixed by paint vehicle and two kinds of components of laccol silicon linking agent, and said paint vehicle and laccol silicon linking agent mass ratio are 9 ︰ 1, and its special character is:
Said paint vehicle is to prepare according to following steps:
1), takes by weighing 56 ~ 58 parts of 100 parts of laccols, 50 ~ 100 parts of silicone intermediates resins, 5 ~ 8 parts of urotropines, 3.3 ~ 4.0 parts of silane coupling agents, YLENE and butanols mixed solvents by mass parts; Wherein, said YLENE and butanols mixed solvent are that YLENE and butanols mix by mass ratio 1 ︰ 1;
2) above-mentioned material is added reaction kettle, when stirring and being warming up to 70 ~ 80 ℃, insulation 1.5 ~ 2h promotes material dissolution effectively in solvent;
3) continue to be warming up to 125 ~ 130 ℃ to reaction kettle, isothermal reaction and monitoring in real time, when the solids content of laccol silicone resin in the reaction kettle between 35 ~ 45% and be coated with-4 viscosity and stop heating between 35 ~ 45s the time;
4) take out material after being cooled to room temperature, obtain the laccol silicone resin;
5) take by weighing 60 ~ 80 parts of prepared laccol silicone resin, 3 ~ 8 parts of reactive thinners, nanometer SiO by mass parts
20.5 ~ 1.5 parts, 0.3 ~ 0.5 part of dispersion agent, 0.2 ~ 0.4 part of flow agent, 0.2 ~ 0.4 part of skimmer, 5 ~ 10 parts of titanium oxide, 2 ~ 5 parts of mica powders, 4 ~ 8 parts in permanent white;
6) drop into reaction kettle after said laccol silicone resin is dissolved in reactive thinner, add said nanometer SiO again
2And dispersion agent, stir, give reaction kettle heat temperature raising to 70 ~ 90 ℃, the cooling of constant temperature 30 ~ 50min postcooling obtains laccol silicone resin slurry;
7) said laccol silicone resin slurry and said titanium oxide, mica powder, permanent white added in the stainless steel scuffing of cylinder bore mix, add flow agent, skimmer again, stir, laccol silicone resin beforehand research defibrination material;
8) be 40 ~ 60 μ m with said laccol silicone resin beforehand research defibrination abrasive lapping to fineness, promptly make paint vehicle;
Said laccol silicon linking agent is to prepare according to following steps:
In the titanic acid ester linking agent, add wetting dispersing auxiliary, wherein wetting dispersing auxiliary quality is 3 ~ 5% of a said titanic acid ester linking agent quality, stirs and promptly makes laccol silicon linking agent.
Preferably, in the said step 3, when the solids content of laccol silicone resin in the reaction kettle between 38 ~ 42% and be coated with and stop heating when-4 viscosity are 38 ~ 42s;
Further; In the said step 3), when isothermal reaction and monitoring in real time, laccol silicone resin solids content rises between 56 ~ 58% in the control reaction kettle earlier; YLENE and butanols mixed solvent when being lower than this content range in the abstraction reaction still; In reaction kettle, add YLENE and butanols mixed solvent when being higher than this content range, when the laccol silicone resin is coated with-4 viscosity and increases to 100s, stop heating; And in reaction kettle, adding YLENE and butanols mixed solvent, resin solid content is between 35 ~ 45% and be coated with-4 viscosity between 35 ~ 45s in reaction kettle.
Also further, when stirring in the said step 6), the rotating speed stirring with 2800 ~ 3200 fmin is warming up to 80 ℃ to reaction kettle, constant temperature 40min.
Also further, the reactive thinner in the said step 5) is a cresylglycidylether.
Further, said titanic acid ester linking agent is titanic acid ester linking agent TA-9-2, and said wetting dispersing auxiliary is the wetting dispersing auxiliary of BYK-161.
Again further, nanometer SiO in the said step 5)
2Particle size be 1 ~ 100nm.
The principle of the preparing method's of each component of the high temperature resistant liquid antifouling paste of laccol silicon of the present invention processing parameter control is following:
Select for use the silicone intermediates resin that laccol is carried out modification when laccol silicone resin of the present invention prepares, can make laccol thermostability, weathering resistance, fragility etc. be improved significantly, the waterproof of laccol, oil preventing performance are improved.Urotropine as catalyzer, with silane coupling agent respectively or combine, can shorten the process that laccol and silicone intermediates resin reaction synthesize the laccol silicone resin.In said step 3), when heating up, when temperature reaches 95 ~ 100 ℃ to reaction kettle; Condensing surface begins out moisture content, flows in the water trap, gets into the water lift process; When water stratification increases to the return line interface, water is emitted, continue temperature is risen to 125 ~ 130 ℃; Isothermal reaction and monitoring in real time, laccol silicone resin solids content in the adjustment reaction kettle should be controlled between 35 ~ 45%; The solids content here is an index of resin, is meant that resin solid matter accounts for the per-cent of total quality of material in the reaction kettle, adopts the method for the baking of heating to measure usually.Abstraction reaction still internal solvent when being lower than this numerical value adds solvent in reaction kettle when being higher than this numerical value, when being coated with of resin stops heating when-4 viscosity are 35 ~ 45s.Can pack in the oil drum this moment with synthesizing the laccol silicone resin that finishes, be transported in the cooling groove, to the resin processing of lowering the temperature, treat that resin is reduced to room temperature after, promptly make the laccol silicone resin.The laccol silicone resin after grinding, anti-corrosion color stuffing and various auxiliary agent is obtained paint vehicle through adding again.Said reactive thinner is preferably selected cresylglycidylether for use, because this thinner viscosity is low, and viscosity that can profitable reduction paint vehicle and can further improve the snappiness of laccol silicone resin, its volatile quantity is low simultaneously, and toxicity is little, odorlessness almost, price is low.Add nanometer SiO in the paint vehicle
2Be used to improve the antiseptic property of the high temperature resistant liquid antifouling paste of laccol silicon, nanometer SiO
2Particulate is preferably dimensioned to be the scope at 1 ~ 100nm; This size range has just in time been filled conventional organic coating unavoidable " structure hole "; Thereby can form the almost dense coating of atresia; Prevent the infiltration of the various corrosive mediums in the environment, promptly can realize " zero infiltration " of corrosive medium in coating in the environment.Simultaneously, nanometer SiO
2Grain size when nano level not only the atomicity of particle surface increase fast; And the specific surface area of particle and surface energy also can increase sharply; Huge surface-area and surface energy; To the most direct effect of coating is exactly the bonding strength that has improved greatly by between the unsaturated link(age) between protection metal and the coating; Make become the Van der Waals force that the bonding force between paint film and the coated article matrix metal produces by the molecular adsorption between the coating-substrate metal (about 0.4 ~ 4kJ/mol) with the formed hydrogen bond force of chemisorption (about 4.18 ~ 8kJ/mol) are transformed into by formed combining forms of multiple effect such as molecular adsorption-chemisorption-diffusion-bonded-chemical bond combine; Promptly at the coating-substrate metal interface a series of chemical actions take place by the surfactivity of nanoparticle and form coating and base metal surface does not have tangible interface, so the bonding force between the coating of making and the metallic surface increases greatly.In nano coating; Formed coating-substrate metallic surface bonded " bonding force "; Be far longer than the expansion stresses of corrosion electrochemistry reactant to coating and metallic surface; Make institute become between paint film and the coated article matrix metal, lost to the space of extension all around, can not proceed down and reach inhibition corrosive purpose because the corrosion electrochemistry that the existence of electrolytic solution and oxygen forms reacts.In addition, add dispersion agent and help lend some impetus to nanometer SiO
2Dispersion, dispersion effect is best in the time of 70 ~ 90 degrees centigrade.When selecting other filler, permanent white can improve the solidity to corrosion of the high temperature resistant liquid antifouling paste of laccol silicon, and rutile titanium dioxide plays colouring function to the high temperature resistant liquid antifouling paste of high laccol silicon; The bubble that skimmer is produced in the time of effectively suppressing coating because of stirring, pumping, application also can assist bubble ease in filming to leave; Flow agent is effectively promoted film coated surface resistance to marring, levelling and smoothness and is promoted the coating film gloss degree.
During preparation laccol silicon linking agent, in the titanic acid ester linking agent, add wetting dispersing auxiliary, stir; Promptly make laccol silicon linking agent, because, when the paint vehicle with the high temperature resistant liquid antifouling paste of laccol silicon mixes use; The titanic acid ester dosage of crosslinking agent is few, brings into play due effect for making it, add a certain amount of wetting dispersing auxiliary in advance; Help to make it in paint vehicle, to disperse equably, otherwise do not reach cross-linking effect.
The high temperature resistant liquid antifouling paste of laccol silicon of the present invention, the laccol silicone resin of processing with the laccol that extracts in the raw lacquer and silicone intermediates resin reaction is a filmogen, has selected the nanometer SiO with special role for use
2Compounded mix is filled, and has selected multiple auxiliary agent for use, adopts chemical method to disperse the special producing prepared that combines with mechanical dispersion; The high temperature resistant liquid antifouling paste of the laccol silicon of gained has kept the weather resistance of natural raw lacquer and good corrosion resistance characteristic, and construction is simple, and is good from dryness; Human body there is not anaphylaxis; Corrosive medium performance such as oil resistant water-acid resistance is good in hot environment, have good resistance to boiling water can, can be 220 ℃ of medium-term and long-term uses of left and right sides environment.Be widely used in the normal temperature and the high-temperature anticorrosion protection of oil refinery, chemical industry, fertilizer industry basin, condensing equipment, sewage disposal device, Steel Stack, oil pipe water pipe and industry equipment such as metallurgy, mine, generating and light industry.
Embodiment
Below in conjunction with specific embodiment high temperature resistant liquid antifouling paste of laccol silicon of the present invention and preparation method thereof is done further explain:
Embodiment 1
The high temperature resistant liquid antifouling paste of a kind of laccol silicon is mixed by paint vehicle and linking agent;
Paint vehicle wherein is to prepare according to following steps:
1), takes by weighing: 56 parts of 100 parts of laccols, 50 parts of DOW CORNING Z-6018 silicone intermediates resins, 5 parts of urotropines, 3.3 parts of KH550 silane coupling agents, YLENE and butanols mixed solvents by mass parts; Wherein, YLENE and butanols mixed solvent are that YLENE and butanols mix by mass ratio 1 ︰ 1;
2) above-mentioned material is added reaction kettle, when stirring and being warming up to 70 ~ 80 ℃, insulation 1.5 ~ 2h, material promptly is dissolved in the solvent rapidly;
3) continue to be warming up to 125 ~ 130 ℃ to reaction kettle, isothermal reaction and monitoring in real time, when the solids content of laccol silicone resin in the reaction kettle 35 ~ 40% and be coated with-4 viscosity and stop heating between 35 ~ 40s the time;
4) take out material after being cooled to room temperature, obtain the laccol silicone resin;
5) taking by weighing 60 parts of laccol silicone resin, 3 parts of cresylglycidylether reactive thinners, particle size by mass parts is the nanometer SiO of 1 ~ 50nm
20.5 part, 0.3 part of BYK163 dispersion agent, 0.2 part of BYK320 flow agent, 0.2 part of modest 5400 skimmer of moral, 5 parts of titanium oxide, 2 parts of mica powders, 4 parts in permanent white;
6) drop into reaction kettle after the laccol silicone resin is dissolved in reactive thinner, add nanometer SiO again
2And dispersion agent, stir with the rotating speed of 2800fmin, give reaction kettle heat temperature raising to 70 ℃, the cooling of constant temperature 30min postcooling obtains laccol silicone resin slurry;
7) this laccol silicone resin slurry and titanium oxide, mica powder, permanent white added in the stainless steel scuffing of cylinder bore mix, add flow agent, skimmer again, stir, laccol silicone resin beforehand research defibrination material;
8) be 40 ~ 60 μ m with above-mentioned beforehand research defibrination material through being ground to fineness, promptly make paint vehicle;
Laccol silicon linking agent is to prepare according to following steps:
Get 100 parts of the titanic acid ester linking agent TA-9-2 mass parts that Anhui Tai Chang chemical industry ltd produces, add 4 parts of the wetting dispersing auxiliary mass parts of BYK-161, stir, promptly make component B.
During use, first and second components are pressed after the mass ratio 9:1 mixing and stirring and can application be used.
Each item performance to the high temperature resistant liquid antifouling paste of laccol silicon of embodiment 1 detects, and the gained result data is as shown in table 1.
Table 1
Embodiment 2
Said paint vehicle is to prepare according to following steps:
1), takes by weighing 57 parts of 100 parts of laccols, 80 parts of DOW CORNING Z-6018 silicone intermediates resins, 7 parts of urotropines, 3.5 parts of KH550 silane coupling agents, YLENE and butanols mixed solvents by mass parts; Wherein, YLENE and butanols mixed solvent are that YLENE and butanols mix by mass ratio 1 ︰ 1;
2) above-mentioned material is added reaction kettle, when stirring and being warming up to 70 ~ 80 ℃, insulation 1.5 ~ 2h, material promptly is dissolved in the solvent rapidly;
3) continue to be warming up to 125 ~ 130 ℃ to reaction kettle; When isothermal reaction and monitoring in real time; Laccol silicone resin solids content rises between 56 ~ 58% in the control reaction kettle earlier, and YLENE and butanols mixed solvent when being lower than this content range in the abstraction reaction still add YLENE and butanols mixed solvent in reaction kettle when being higher than this content range; When the laccol silicone resin is coated with-4 viscosity and increases to 100s; Stop heating, and in reaction kettle, add YLENE and butanols mixed solvent, resin solid content is 38 ~ 42% and be coated with-4 viscosity between 38 ~ 42s in reaction kettle;
4) take out material after being cooled to room temperature, obtain the laccol silicone resin;
5) taking by weighing 70 parts of laccol silicone resin, 6 parts of cresylglycidylether reactive thinners, particle size by mass parts is the nanometer SiO of 1 ~ 100nm
21 part, 0.4 part of BYK163 dispersion agent, 0.3 part of modest 466 flow agent of moral, 0.3 part of BYK052 skimmer, 8 parts of rutile titanium dioxides, 4 parts of mica powders, 6 parts in permanent white;
6) drop into reaction kettle after the laccol silicone resin is dissolved in the cresylglycidylether reactive thinner, add nanometer SiO again
2And dispersion agent, stir with the rotating speed of 3200 fmin, give reaction kettle heat temperature raising to 90 ℃, the cooling of constant temperature 50min postcooling obtains laccol silicone resin slurry;
7) gained laccol silicone resin slurry and rutile titanium dioxide, mica powder, permanent white added in the stainless steel scuffing of cylinder bore mix, add flow agent, skimmer again, stir, laccol silicone resin beforehand research defibrination material;
8) above-mentioned beforehand research defibrination material is 40 ~ 60 μ m through being ground to fineness, promptly makes paint vehicle;
Laccol silicon linking agent is to prepare according to following steps:
Get 100 parts of the titanic acid ester linking agent TA-9-2 mass parts that Anhui Tai Chang chemical industry ltd produces, add 4 parts of the wetting dispersing auxiliary mass parts of BYK-161, stir, promptly make component B.
During use, first and second components are pressed after the mass ratio 9:1 mixing and stirring and can application be used.
Each item performance to the high temperature resistant liquid antifouling paste of laccol silicon of embodiment 2 detects, and the gained result data is as shown in table 2.
Table 2
Embodiment 3
Said paint vehicle is to prepare according to following steps:
1), takes by weighing 58 parts of 100 parts of laccols, 100 parts of DOW CORNING Z-6018 silicone intermediates resins, 8 parts of urotropines, 4.0 parts of KH550 silane coupling agents, YLENE and butanols mixed solvents by mass parts; Wherein, YLENE and butanols mixed solvent are that YLENE and butanols mix by mass ratio 1 ︰ 1;
2) above-mentioned material is added reaction kettle, when stirring and being warming up to 70 ~ 80 ℃, insulation 1.5 ~ 2h, material promptly is dissolved in the solvent rapidly;
3) continue to be warming up to 125 ~ 130 ℃ to reaction kettle, isothermal reaction and monitoring in real time, when the solids content of laccol silicone resin in the reaction kettle between 35 ~ 45% and be coated with-4 viscosity between 35 ~ 45s, stop heating;
4) take out material after being cooled to room temperature, obtain the laccol silicone resin;
5) take by weighing 80 parts of laccol silicone resin, 8 parts of cresylglycidylether reactive thinners, be of a size of the nanometer SiO of 1 ~ 100nm by mass parts
21.5 part, 0.5 part of BYK163 dispersion agent, 0.4 part of modest 466 flow agent of moral, 0.4 part of BYK052 skimmer, 10 parts of titanium oxide, 5 parts of mica powders, 8 parts in permanent white;
6) drop into reaction kettle after the laccol silicone resin is dissolved in the cresylglycidylether reactive thinner, add nanometer SiO again
2And dispersion agent, stir with the rotating speed of 2800 ~ 3200 fmin, give reaction kettle heat temperature raising to 80 ℃, the cooling of constant temperature 40min postcooling obtains laccol silicone resin slurry;
7) laccol silicone resin slurry and said titanium oxide, mica powder, permanent white added in the stainless steel scuffing of cylinder bore mix, add flow agent, skimmer again, stir, laccol silicone resin beforehand research defibrination material;
8) above-mentioned beforehand research defibrination material is 40 ~ 60 μ m through being ground to fineness, promptly makes paint vehicle;
Laccol silicon linking agent is to prepare according to following steps:
Get 100 parts of the titanic acid ester linking agent TA-9-2 mass parts that Anhui Tai Chang chemical industry ltd produces, add 5 parts of the wetting dispersing auxiliary mass parts of BYK-161, stir, promptly make component B.
During use, first and second components are pressed after the mass ratio 9:1 mixing and stirring and can application be used.
Each item performance to the high temperature resistant liquid antifouling paste of laccol silicon of embodiment 3 detects, and the gained result data is as shown in table 3:
Table 3:
Can find out by above three embodiment; The paint film of the high temperature resistant liquid antifouling paste of laccol silicon of the present invention is good from dryness, and shock resistance is strong, and corrosive medium performance such as oil resistant water-acid resistance is good in the hot environment of paint film; Have good resistance to boiling water ability, can be in the medium-term and long-term use of 220 ℃ of environment.
Claims (7)
1. the high temperature resistant liquid antifouling paste of laccol silicon is mixed by paint vehicle and two kinds of components of laccol silicon linking agent, and said paint vehicle and laccol silicon linking agent mass ratio are 9 ︰ 1, it is characterized in that:
Said paint vehicle is to prepare according to following steps:
1), takes by weighing 56 ~ 58 parts of 100 parts of laccols, 50 ~ 100 parts of silicone intermediates resins, 5 ~ 8 parts of urotropines, 3.3 ~ 4.0 parts of silane coupling agents, YLENE and butanols mixed solvents by mass parts; Wherein, said YLENE and butanols mixed solvent are that YLENE and butanols mix by mass ratio 1 ︰ 1;
2) above-mentioned material is added reaction kettle, when stirring and being warming up to 70 ~ 80 ℃, insulation 1.5 ~ 2h;
3) continue to be warming up to 125 ~ 130 ℃ to reaction kettle, isothermal reaction and monitoring in real time, the solids content of laccol silicone resin is 35 ~ 45% in reaction kettle, and is coated with and stops heating when-4 viscosity are 35 ~ 45s;
4) take out material after being cooled to room temperature, obtain the laccol silicone resin;
5) take by weighing 60 ~ 80 parts of said laccol silicone resin, 3 ~ 8 parts of reactive thinners, nanometer SiO by mass parts
20.5 ~ 1.5 parts, 0.3 ~ 0.5 part of dispersion agent, 0.2 ~ 0.4 part of flow agent, 0.2 ~ 0.4 part of skimmer, 5 ~ 10 parts of titanium oxide, 2 ~ 5 parts of mica powders, 4 ~ 8 parts in permanent white;
6) drop into reaction kettle after said laccol silicone resin is dissolved in said reactive thinner, add said nanometer SiO again
2And dispersion agent, stir, give reaction kettle heat temperature raising to 70 ~ 90 ℃, constant temperature 30 ~ 50min postcooling obtains laccol silicone resin slurry to room temperature;
7) said laccol silicone resin slurry and said titanium oxide, mica powder, permanent white added in the stainless steel scuffing of cylinder bore mix, add flow agent, skimmer again, stir, laccol silicone resin beforehand research defibrination material;
8) be 40 ~ 60 μ m with said laccol silicone resin beforehand research defibrination abrasive lapping to fineness, promptly make paint vehicle;
Said laccol silicon linking agent is according to following method preparation:
In the titanic acid ester linking agent, add wetting dispersing auxiliary, wherein wetting dispersing auxiliary quality is 3 ~ 5% of a said titanic acid ester linking agent quality, stirs and promptly makes laccol silicon linking agent.
2. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 1 is characterized in that: in the said step 3, when the solids content of laccol silicone resin in the reaction kettle is 38 ~ 42% and is coated with and stops heating when-4 viscosity are 38 ~ 42s.
3. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 2; It is characterized in that: when isothermal reaction is also monitored in real time in the said step 3); Laccol silicone resin solids content rises between 56 ~ 58% in the control reaction kettle earlier, and YLENE and butanols mixed solvent when being lower than this content range in the abstraction reaction still add YLENE and butanols mixed solvent in reaction kettle when being higher than this content range; When the laccol silicone resin is coated with-4 viscosity and increases to 100s; Stop heating, and in reaction kettle, add YLENE and butanols mixed solvent, the solids content of laccol silicone resin is 38 ~ 42% and to be coated with-4 viscosity be 38 ~ 42s in reaction kettle.
4. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 1 is characterized in that: when stirring in the said step 6), the rotating speed stirring with 2800 ~ 3200 fmin is warming up to 80 ℃ to reaction kettle, constant temperature 40min.
5. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 1 is characterized in that: the reactive thinner in the step 5) is a cresylglycidylether.
6. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 1 is characterized in that: said titanic acid ester linking agent is titanic acid ester linking agent TA-9-2, and said wetting dispersing auxiliary is the wetting dispersing auxiliary of BYK-161.
7. the high temperature resistant liquid antifouling paste of laccol silicon according to claim 1 is characterized in that: the nanometer SiO in the step 5)
2Particle size be 1 ~ 100nm.
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| CN103694891A (en) * | 2013-12-23 | 2014-04-02 | 福建师范大学 | Preparation method of alkene organic silicon-modified urushiol photo-curing film |
| CN106634578A (en) * | 2016-12-19 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Transparent coating and preparation method thereof |
| CN108032271A (en) * | 2017-11-22 | 2018-05-15 | 安徽德全新型建材科技有限公司 | A kind of place apparatus of the mould of graphite polystyrene board |
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| CN103421363A (en) * | 2013-08-22 | 2013-12-04 | 欧美龙（南通）重防腐涂料有限公司 | Waterproof high-temperature-resistant coating |
| CN103694891A (en) * | 2013-12-23 | 2014-04-02 | 福建师范大学 | Preparation method of alkene organic silicon-modified urushiol photo-curing film |
| CN103694891B (en) * | 2013-12-23 | 2016-03-23 | 福建师范大学 | A kind of preparation method through alkene class organic-silicon-modified laccol photocuring film |
| CN106634578A (en) * | 2016-12-19 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Transparent coating and preparation method thereof |
| CN108032271A (en) * | 2017-11-22 | 2018-05-15 | 安徽德全新型建材科技有限公司 | A kind of place apparatus of the mould of graphite polystyrene board |
| CN108188993A (en) * | 2017-11-22 | 2018-06-22 | 安徽德全新型建材科技有限公司 | A kind of fixed equipment of white molding styrofoam |
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