CN103725120B - A kind of High corrosion resistant shop primer and preparation technology thereof - Google Patents
A kind of High corrosion resistant shop primer and preparation technology thereof Download PDFInfo
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- CN103725120B CN103725120B CN201310681913.XA CN201310681913A CN103725120B CN 103725120 B CN103725120 B CN 103725120B CN 201310681913 A CN201310681913 A CN 201310681913A CN 103725120 B CN103725120 B CN 103725120B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims description 33
- 238000005516 engineering process Methods 0.000 title description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 59
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 20
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012153 distilled water Substances 0.000 claims abstract description 10
- 235000019441 ethanol Nutrition 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 8
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000013312 flour Nutrition 0.000 claims abstract description 8
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- 238000007665 sagging Methods 0.000 claims abstract description 7
- 229940125898 compound 5 Drugs 0.000 claims abstract 2
- 238000000227 grinding Methods 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 6
- 230000002421 anti-septic effect Effects 0.000 abstract description 6
- -1 polyethylene butyraldehyde Polymers 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000003973 paint Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 230000037452 priming Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 239000004110 Zinc silicate Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 description 3
- 235000019352 zinc silicate Nutrition 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000413 hydrolysate Substances 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of High corrosion resistant shop primer, being formed by weight 2:1 proportions by coating host and curing agent, meter host the most by weight is made up of following component: acid polyethylene butyraldehyde liquid 20 30 parts, white carbon 0.5 1.0 parts, bentonite GBP 1830.5 1.0 parts, titanium dioxide NTR 60,610 15 parts, compound 5 10 parts of ferrophosphorus powder, 6 10 parts of silica flour 350 mesh, industrial alcohol 15 parts, dimethylbenzene 35 parts, zinc powder 50 60 parts, anti-sagging agent 3300X1.5 2.0 parts；Meter curing agent the most by weight is made up of following component: silester 25 45 parts, distilled water 5 10 parts, 2N hydrochloric acid 0.3 0.8 parts, absolute ethyl alcohol 30 50 parts, heavy aromatics P 41 10 parts, ethylene glycol ethyl ether 2 10 parts, ferric trichloride 0.1 0.8 parts.The shop primer using the inventive method to prepare, has the adhesive strength of excellence, resistance to elevated temperatures after coating film forming, film quality is good, weatherability is strong, and antiseptic property is excellent, and use cost is low.
Description
Technical field
The invention belongs to technical field of coatings, especially relate to the strong shop primer of a kind of corrosion resistance and preparation thereof
Technique.
Background technology
Shop primer is the first paint of brushing after surface of steel plate processes, it is possible to be referred to as pretreatment primer or maintenance
Priming paint, mainly for protecting steel plate less by atmospheric corrosion in the process such as welding, cutting, firer's correction.
Shop primer is one of important kind of marine paint, when China's shipbuilding industry and shipping business develop rapidly, car
Between the market of priming paint the broadest.Additionally other are tied as bridge, ocean engineering etc. are also required to process Large Steel
The steel plate pretreatment of structure, they also have the biggest demand to shop primer.Successive dynasties product has zinc metal conditioner, epoxy
Zinc rich paint, epoxy iron red shop shop primer, inorganic primer for zinc silicate shop.Wherein inorganic zinc silicate primer is main
Application kind, be mostly alcohol-soluble from curable type, typically formulated by coating host and curing agent, in host many with
Zinc powder is main rust resisting pigment, with curing agent hybrid reaction formed zinc silicate, iron composite salt and close attachment in
Steel surface.After the effect of curing agent is oil paint coating, hydrolytic polymerization can be continued and become bonding agent, play bonding
Effect, uses the silicate hydrolyzate liquid Main Ingredients and Appearance as curing agent the most mostly.Silicate hydrolyzate
Liquid, as film forming matter, plays bonding effect, and after selecting suitable degree of hydrolysis, hydrolysate film forming is good, could have
There are adhesive strength and the high-temperature behavior of excellence.Therefore the performance of shop primer is had greatly by the selection of curing agent
Impact.
Quality requirement currently for shop primer is: typically require that about about 20 μ of coating are single on steel plate
Layer paint film, in being in marine atmosphere or industrial atmosphere, its antirust ability at least should have 3 months, has good simultaneously
Good impact resistance and toughness are less in welding, cutting and firer's timing paint film heat-affected zone and have low toxicity
Property, especially paint film should not produced too much harmful poison gas etc. by when thermally decomposing.And at the bottom of workshop the most on the market
Paint the most often occurs that poor heat stability, weatherability are not enough, the phenomenon such as unstable after coating film forming,
The strong influence antiseptic property of coating.Especially to oil carrier, to large-scale iron and steel structure in offshore oil platform
The part pretreatment primary coat used time, more typically, the antiseptic property difference of coating is to the infringement of steel construction piece very for above-mentioned situation
Greatly.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of good weatherability, the workshop of anticorrosion length service life
Priming paint and preparation technology thereof, be particularly suited in the environment such as oil carrier, offshore oil platform large-scale steel component
Use during pretreatment primary coat.
Present invention is particularly as follows: a kind of High corrosion resistant shop primer, by coating host and curing agent by weight
2:1 proportions forms, and meter host the most by weight is made up of following component:
Meter curing agent the most by weight is made up of following component:
Wherein, above-mentioned silester silicon content is 40 ± 2%.
Present invention also offers the preparation technology of above-mentioned shop primer liquid, wherein:
The preparation process of host is:
Grinding steps: by above-mentioned acid polyethylene butyraldehyde liquid, white carbon, bentonite GBP-183, titanium dioxide NTR-606,
Compound ferrophosphorus powder, silica flour 350 mesh, industrial alcohol, dimethylbenzene mixed grinding, obtain grinding product；
Mediation step: be sequentially added into zinc powder, anti-sagging agent 3300X in grinding product, disperses through high speed shear
Uniformly, it is deployed into host；
The preparation process of curing agent is:
Step 1: silester-40, two kinds of reactant liquors of absolute ethyl alcohol are sequentially added in reactor, stirs 5-10min
Obtain mixed liquor；
Step 2: carry out being pre-mixed by distilled water, 2N hydrochloric acid, absolute ethyl alcohol and uniformly obtain mixed solution and insert and drip
In feeder apparatus, mixed solution is slowly added dropwise in the mixed liquor in reactor.
Step 3: reactor in step 2 is sequentially added into heavy aromatics, absolute ethyl alcohol, ethylene glycol ethyl ether,
Ferric trichloride, stirring, obtain curing agent solution.
Mix preparing gained host and curing agent solution in 2:1 ratio, obtain described highly corrosion resistant workshop
Priming paint.
In above-mentioned curing agent preparation process, the mixed solution in step 2 is controlled in 60min-90min at the uniform velocity
It is added dropwise in reactor in mixed liquor.
In above-mentioned curing agent preparation process, the mixing time of step 1 and step 3 controls in 5-10min.
Further, in curing agent preparation process, in step 1, the addition of absolute ethyl alcohol is counted by weight
For 5-10 part；In step 2, the addition of absolute ethyl alcohol is calculated by weight as 10-15 part；Step 3 is anhydrous
The addition of ethanol is calculated by weight as 15-25 part.
When coating host is mainly used for antiseptic and rustproof and high-temperature heating, form firm coating.Preparation in host
In, acid polyethylene butyraldehyde liquid is film forming agent, also makes shaping paint film have preferable toughness；Bentonite GBP-183
It is anti-settling agent with silica flour 350 mesh；White carbon is also called precipitated silica, for welding the toughener of iron and steel；
Compound ferrophosphorus powder is a kind of heat-resisting and preferable rust resisting pigment of electric conductivity, can partly replace high zinc simultaneously
Powder, reduces the use of zinc powder, reduces cost；Titanium dioxide can reduce zinc powder atomization when welding；Industrial alcohol
Be solvent with dimethylbenzene, alcohols solvent be added to change solvent polarity, promote anti-settling agent, pigment,
The opening and disperse of filler；Zinc powder is main anti-corrosion material.
In the preparation of shop primer, silicate hydrolyzate liquid, as film forming matter, plays bonding effect, only selects
Suitably after degree of hydrolysis, hydrolysate film forming is good, just can have adhesive strength and the high-temperature behavior of excellence, namely
In shop primer, the selection of curing agent is huge to the performance impact of shop primer.
Curing agent preparation principle is to allow silester hydrolytic polymerization in advance form macromolecular chain under catalyst action
Product, then form the network structure of big molecule with coating host after mixing, i.e. paint film coating.The present invention solidifies
In the preparation technology of agent, silester is polymeric bonding material, and absolute ethyl alcohol and isopropanol are diluents, trichlorine
Changing iron and 2N hydrochloric acid is catalyst, promote hydrolysis and the polymerization of silester, distilled water is for silester
Hydrolysis and polymerisation；Heavy aromatics p-4 is the solvent as silester, for the city of Tianjin Tong Xuan chemical company
Sell product.
In general curing agent preparation technology, it is first hydrochloric acid, absolute ethyl alcohol, distilled water mixing to be added drop-wise to silicic acid second
In ester, add heavy aromatics, ethylene glycol ethyl ether, absolute ethyl alcohol, ferric trichloride.The reaction of shop primer liquid is
Exothermic reaction, reaction solution rate of addition controls bad, reacted molecular size can be made uneven so that be coated with
Instability after material film forming, affects antiseptic property.
In the present invention in the preparation process of curing agent, absolute ethyl alcohol is first joined in silester by step 1, by
Inside silester, also have absolute ethyl alcohol so that the dropping solution in step 2 can preferably with step 1
Middle reactor mixed liquor merges, and promotes reaction to be smoothed out, and reacted molecular size is more uniform and stable.With
Time, the reaction of curing agent is exothermic reaction, and rate of addition of therefore controlling well is the key point of this technique, is also control
Make the key of this product quality and stability.In the present invention, inventor is groped by test for a long time, and finding will
Rate of addition or time in step 2 control when 60min-90min, can improve molecule after curing agent reacts
The size uniformity；Ferric trichloride, hydrochloric acid, the amount of allocating into of distilled water should be controlled in curing agent preparation process simultaneously,
As incomplete in measured its reaction not, coating can be dried and maybe can not be dried slowly；If excess preparation can make, reaction is too fast to be led
The coating paint film that cause curing agent is self-curing, curing agent sprays after coordinating with base-material produces powder phenomenon-tion, loses painting
Layer anti-corrosion function.
Additionally, accelerate reaction speed, simultaneously through prehydrolysis with being polymerized after the curing agent obtained mixes with coating
Select again the absolute ethyl alcohol that volatility is good as retarder thinner so that coating can complete surface drying after spray coating rapidly.
The shop primer using the inventive method to prepare, has the adhesive strength of excellence, resistance to height after coating film forming
Warm nature energy, film quality is good, weatherability is strong, and antiseptic property is excellent, and use cost is low, be particularly suited for oil carrier,
Use time in the environment such as offshore oil platform to the pretreatment primary coat of large-scale steel component.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but cannot function as the restriction of the present invention.
Embodiment 1:
A kind of High corrosion resistant shop primer, is formed by weight 2:1 proportions by coating host and curing agent,
Wherein host is made up of following component:
Wherein it is made up of following component by curing agent:
Wherein, above-mentioned silester silicon content is 40 ± 2%.
The preparation technology of above-mentioned shop primer liquid, wherein:
The preparation process of host is:
Grinding steps: by above-mentioned acid polyethylene butyraldehyde liquid, white carbon, bentonite GBP-183, titanium dioxide NTR-606,
Compound ferrophosphorus powder, silica flour 350 mesh, industrial alcohol, dimethylbenzene mixed grinding, obtain grinding product；
Mediation step: be sequentially added into zinc powder, anti-sagging agent 3300X in grinding product, disperses through high speed shear
Uniformly, it is deployed into host；
The preparation process of curing agent is:
Step 1: silester-40, two kinds of reactant liquors of absolute ethyl alcohol 50kg are sequentially added in reactor, stirring
5min obtains mixed liquor；
Step 2: carry out being pre-mixed by distilled water, 2N hydrochloric acid, absolute ethyl alcohol 100kg and uniformly obtain mixed solution
Insert in Dropping feeder, mixed solution is slowly at the uniform velocity added dropwise in the mixed liquor in reactor in 60min.
Step 3: be sequentially added into heavy aromatics, residue absolute ethyl alcohol, ethylene glycol ethyl ethers in reactor in step 2
Ether, ferric trichloride, stir 10min, obtain curing agent solution.
Gained host will be prepared and the curing agent solution ratio of 2:1 by weight mixes, obtain described highly corrosion resistant
Shop primer.
Embodiment 2:
A kind of High corrosion resistant shop primer, is formed by weight 2:1 proportions by coating host and curing agent,
Wherein host is made up of following component:
Wherein curing agent is made up of following component:
Wherein, above-mentioned silester silicon content is 40 ± 2%.
The preparation technology of above-mentioned shop primer liquid, wherein:
The preparation process of host is:
Grinding steps: by above-mentioned acid polyethylene butyraldehyde liquid, white carbon, bentonite GBP-183, titanium dioxide NTR-606,
Compound ferrophosphorus powder, silica flour 350 mesh, industrial alcohol, dimethylbenzene mixed grinding, obtain grinding product；
Mediation step: be sequentially added into zinc powder, anti-sagging agent 3300X in grinding product, disperses through high speed shear
Uniformly, it is deployed into host；
The preparation process of curing agent is:
Step 1: silester-40, two kinds of reactant liquors of absolute ethyl alcohol 100kg are sequentially added in reactor, stir
Mix 10miin and obtain mixed liquor；
Step 2: carry out being pre-mixed by distilled water, 2N hydrochloric acid, absolute ethyl alcohol 150kg and uniformly obtain mixed solution
Insert in Dropping feeder, mixed solution is slowly at the uniform velocity added dropwise in the mixed liquor in reactor in 90min.
Step 3: be sequentially added into heavy aromatics, residue absolute ethyl alcohol, ethylene glycol ethyl ethers in reactor in step 2
Ether, ferric trichloride, stir 10min, obtain curing agent solution.
Mix preparing gained host and curing agent solution in 2:1 ratio, obtain described highly corrosion resistant workshop
Priming paint.
Embodiment 3:
A kind of High corrosion resistant shop primer, is formed by weight 2:1 proportions by coating host and curing agent,
Wherein host is made up of following component:
Wherein curing agent is made up of following component:
Wherein, above-mentioned silester silicon content is 40 ± 2%.
The preparation technology of above-mentioned shop primer liquid, wherein:
The preparation process of host is:
Grinding steps: by above-mentioned acid polyethylene butyraldehyde liquid, white carbon, bentonite GBP-183, titanium dioxide NTR-606,
Compound ferrophosphorus powder, silica flour 350 mesh, industrial alcohol, dimethylbenzene mixed grinding, obtain grinding product；
Mediation step: be sequentially added into zinc powder, anti-sagging agent 3300X in grinding product, disperses through high speed shear
Uniformly, it is deployed into host；
The preparation process of curing agent is:
Step 1: silester-40, two kinds of reactant liquors of absolute ethyl alcohol 60kg are sequentially added in reactor, stirring
5min obtains mixed liquor；
Step 2: carry out being pre-mixed by distilled water, 2N hydrochloric acid, absolute ethyl alcohol 150kg and uniformly obtain mixed solution
Insert in Dropping feeder, mixed solution is slowly at the uniform velocity added dropwise in the mixed liquor in reactor in 90min.
Step 3: be sequentially added into heavy aromatics, residue absolute ethyl alcohol, ethylene glycol ethyl ethers in reactor in step 2
Ether, ferric trichloride, stir 10min, obtain curing agent solution.
Mix preparing gained host and curing agent solution in 2:1 ratio, obtain described highly corrosion resistant workshop
Priming paint.
Being contrasted with commercially available shop primer by above example 1-3 product, actually detected data are as follows:
By above-mentioned test data it can be seen that use the shop primer that the inventive method is prepared, adhesive force is higher, table
The dry time, faster weatherability was high, and in salt fog resistance, the environment such as be exposed to the sun, paint film property is more excellent.
The processing method of the present invention is described by specific embodiment.Those skilled in the art are permissible
Use for reference the links such as the suitable feed change of present disclosure, process conditions and realize other purpose corresponding, its phase
Closing and change all without departing from present disclosure, all similar replacements and change are for a person skilled in the art
It is apparent from, is considered as being included within the scope of the present invention.
Claims (4)
1. a High corrosion resistant shop primer, is formed by coating host and the curing agent proportions of 2:1 in mass ratio, and meter host the most by weight is made up of following component:
Polyvinyl butyral resin 20 30 parts
White carbon 0.5 1.0 parts
Bentonite GBP 183 0.5 1.0 parts
Titanium dioxide NTR 606 10 15 parts
Compound 5 10 parts of ferrophosphorus powder
6 10 parts of silica flour 350 mesh
Industrial alcohol 15 parts
Dimethylbenzene 35 parts
Zinc powder 50 60 parts
Anti-sagging agent 3300X1.5 2.0 parts；
Meter curing agent the most by weight is made up of following component:
Silester 25 45 parts
Distilled water 5 10 parts
2N hydrochloric acid 0.3 0.8 parts
Absolute ethyl alcohol 30 50 parts
Heavy aromatics P 41 10 parts
Ethylene glycol ethyl ether 2 10 parts
Ferric trichloride 0.1 0.8 parts；
Described silester silicon amount is 40 ± 2%；
The preparation method of described High corrosion resistant shop primer is as follows,
The preparation process of host is:
Grinding steps: by polyvinyl butyral resin, white carbon, bentonite GBP 183, titanium dioxide NTR 606, compound ferrophosphorus powder, silica flour 350 mesh, industrial alcohol, dimethylbenzene mixed grinding, obtain grinding product；
Mediation step: be sequentially added into zinc powder, anti-sagging agent 3300X in grinding product, be uniformly dispersed through high speed shear, be deployed into host；
The preparation process of curing agent is:
Step 1: ethyl silicate 40, two kinds of reactant liquors of absolute ethyl alcohol are sequentially added in reactor, stir 5 10min and obtain mixed liquor；
Step 2: carry out being pre-mixed by distilled water, 2N hydrochloric acid, absolute ethyl alcohol and uniformly obtain mixed solution and insert in Dropping feeder, is slowly added dropwise mixed solution in the mixed liquor in reactor；
Step 3: be sequentially added into heavy aromatics, absolute ethyl alcohol, ethylene glycol ethyl ether, ferric trichloride in reactor in step 2, stirring, obtain curing agent solution；
Mix preparing gained host and curing agent solution in 2:1 ratio, obtain described High corrosion resistant shop primer.
Shop primer the most according to claim 1, wherein in curing agent preparation process, is added dropwise to the mixed solution in step 2 in 60min 90min in reactor in mixed liquor.
Shop primer the most according to claim 1, wherein in curing agent preparation process, the mixing time of step 1 and step 3 controls in 5 10min.
4., according to the shop primer described in any one of claim 13, wherein in curing agent preparation process, in step 1, the addition of absolute ethyl alcohol is calculated by weight as 5 10 parts；In step 2, the addition of absolute ethyl alcohol is calculated by weight as 10 15 parts；The addition of step 3 absolute ethyl alcohol is calculated by weight as 15 25 parts.
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| CN201310681913.XA CN103725120B (en) | 2013-12-11 | 2013-12-11 | A kind of High corrosion resistant shop primer and preparation technology thereof |
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| CN107201064B (en) * | 2017-06-07 | 2019-08-23 | 河北晨阳工贸集团有限公司 | A kind of shop primer and preparation method thereof |
| CN110894066A (en) * | 2019-12-31 | 2020-03-20 | 瓮福（集团）有限责任公司 | Method for preparing sheet iron phosphate from titanium dioxide slag |
| CN113897091B (en) * | 2021-11-29 | 2022-12-20 | 厦门双瑞船舶涂料有限公司 | Compound anti-settling agent of alcohol-soluble inorganic zinc silicate paint and preparation method thereof, and inorganic zinc silicate paint zinc powder component and preparation method thereof |
| CN115058134B (en) * | 2022-08-17 | 2022-10-28 | 潍坊学院 | Water-based inorganic zinc-rich primer and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702884A (en) * | 2012-06-29 | 2012-10-03 | 太仓市兰燕甲板敷料涂料有限公司 | Multi-purpose quick-drying type inorganic zinc shop primer and preparation method thereof |
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- 2013-12-11 CN CN201310681913.XA patent/CN103725120B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702884A (en) * | 2012-06-29 | 2012-10-03 | 太仓市兰燕甲板敷料涂料有限公司 | Multi-purpose quick-drying type inorganic zinc shop primer and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| "无机硅酸锌预涂底漆的研制";黄淑艳等;《煤炭与化工》;20130731(第3期);第36-39页 * |
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| CN103725120A (en) | 2014-04-16 |
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