CN109929389A - A kind of crack resistence anti-flaming dope and its coating process - Google Patents
A kind of crack resistence anti-flaming dope and its coating process Download PDFInfo
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- CN109929389A CN109929389A CN201910280825.6A CN201910280825A CN109929389A CN 109929389 A CN109929389 A CN 109929389A CN 201910280825 A CN201910280825 A CN 201910280825A CN 109929389 A CN109929389 A CN 109929389A
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- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 68
- 239000003063 flame retardant Substances 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 25
- 239000000839 emulsion Substances 0.000 claims abstract description 24
- 239000003822 epoxy resin Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- PWZFXELTLAQOKC-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide;tetrahydrate Chemical compound O.O.O.O.[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O PWZFXELTLAQOKC-UHFFFAOYSA-A 0.000 claims abstract description 16
- 229960001545 hydrotalcite Drugs 0.000 claims abstract description 16
- 229910001701 hydrotalcite Inorganic materials 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- 239000000049 pigment Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 229960000935 Dehydrated Alcohol Drugs 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 47
- 239000003973 paint Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- WNROFYMDJYEPJX-UHFFFAOYSA-K Aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 17
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 16
- 210000003491 Skin Anatomy 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000454 talc Substances 0.000 claims description 12
- 229910052623 talc Inorganic materials 0.000 claims description 12
- 235000012222 talc Nutrition 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 229960003563 Calcium Carbonate Drugs 0.000 claims description 10
- 229920000126 Latex Polymers 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 10
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N Bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 7
- 206010011376 Crepitations Diseases 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- 235000010980 cellulose Nutrition 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000011068 load Methods 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000001105 regulatory Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 230000005587 bubbling Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000003110 molding sand Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000003638 reducing agent Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000004593 Epoxy Substances 0.000 description 12
- 125000003700 epoxy group Chemical group 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 229960005467 algeldrate Drugs 0.000 description 8
- 229940001005 aluminium hydroxide Drugs 0.000 description 8
- 239000006184 cosolvent Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 230000003000 nontoxic Effects 0.000 description 6
- 231100000252 nontoxic Toxicity 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- UEZVMMHDMIWARA-UHFFFAOYSA-N meta-phosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
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- 238000002360 preparation method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 241000623906 Lytta vesicatoria Species 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L Magnesium hydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000000607 poisoning Effects 0.000 description 2
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- FAHBNUUHRFUEAI-UHFFFAOYSA-M Aluminium hydroxide oxide Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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Abstract
The invention discloses a kind of crack resistence anti-flaming dope and its coating process, which is prepared by following weight parts raw material: 50-60 parts of fillers, 20-30 parts of pigment, 2-8 parts of auxiliary agents, 30-40 parts of epoxy resin latexes, 5-15 parts of water, 95-98 parts of curing agent emulsions, 2-5 parts of curing agent promote liquid, 20-30 parts of hydrotalcites, 1-5 parts of modified flame-retardant agent；Silane coupling agent KH-560 and the dehydrated alcohol of 5 times of quality are diluted with deionized water, are made into 2% coupling agent solution, stirring is fully hydrolyzed silane coupling agent；Hydrotalcite is added into stirred autoclave, the coupling agent solution of quality such as it is then slowly added into, it is stirring while adding, deionized water is continuously added after adding coupling agent solution until hydrotalcite becomes slurries, the invention, has the function of good crack resistence, fire-retardant and environmentally friendly, and it is more uniform by the kneader material to be mixed, convenient for filtering mixture.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of crack resistence anti-flaming dope and its coating process.
Background technique
Coating is to be coated in the body surface protected or decorated, and can form the continuous of firm attachment with coated article
Film addition or does not add pigment, filler usually based on resin or oil or lotion, adds corresponding additive, with organic molten
The thick liquid that agent or water are formulated.
When in use, coating is easy to produce slight crack when being bent to be caused to crack the coating of the prior art, and coating exists
The effect of fire-retardant aspect is also undesirable, if it were not for flame retardant effect is poor, otherwise is exactly that can generate a large amount of poison gas, harmful to human is strong
Health, the various needs that can no longer meet people, it is therefore desirable to design that a kind of crack resistence is fire-retardant, environmental protection coating material.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of crack resistence anti-flaming dope and its coatings
Method, which has the function of good crack resistence and fire-retardant, and makes material mixing more by the kneader
Uniformly, convenient for mixture is filtered.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of crack resistence anti-flaming dope, the coating are prepared by following weight parts raw material: 50-60 parts of fillers, 20-30 parts
Pigment, 2-8 part auxiliary agent, 30-40 parts of epoxy resin latexes, 5-15 parts of water, 95-98 parts of curing agent emulsions, 2-5 parts of curing agent promote
Liquid, 20-30 part hydrotalcite, 1-5 parts of modified flame-retardant agent；
Wherein, coating is prepared by following step:
Step 1: silane coupling agent KH-560 and the dehydrated alcohol of 5 times of quality are diluted with deionized water, are made into 2%
Coupling agent solution, stirring are fully hydrolyzed silane coupling agent；Hydrotalcite is added into stirred autoclave, the matter such as is then slowly added into
The coupling agent solution of amount, it is stirring while adding, it adds and continuously adds deionized water after coupling agent solution until hydrotalcite becomes slurries,
Continue high-speed stirred 30-60 minutes, is dried 6 hours in 85 DEG C of baking ovens after filtration washing, it is spare；
Step 2: promote liquid to be stirred evenly with sand milling dispersion machine curing agent emulsion and curing agent, it is spare to obtain mixed liquor；
Step 3: by the hydrotalcite prepared in step 1 and filler, pigment, modified flame-retardant agent, auxiliary agent, epoxy resin latex
It is added sequentially in kneader with water, obtained puttylike object is mixed evenly；The mixed liquor being then added in step 2, after
Continuous stirring 20-40 minutes, both can be obtained coating.
As a further solution of the present invention: the chemical component of the filler includes following components according to parts by weight: 10-
20 parts of aluminium hydroxides, 1-2 parts of water-reducing agents, 6-10 parts of calcium carbonate, 10-15 parts of talcum powder, 1-3 parts of celluloses.
As a further solution of the present invention: the epoxy resin latex is by low molecular weight liquid bisphenol A type epoxy resin
E-44, E-51 are mixed to get according to mass ratio for 4:6.
As a further solution of the present invention: the auxiliary agent includes defoaming agent, thickener and dispersing agent.
As a further solution of the present invention: the modified flame-retardant agent is prepared by following step: first by 10-20
Part nano-aluminum hydroxide is beaten from powder, and high speed dispersion is carried out in high-shear emulsion machine, after regulating revolving speed and temperature, revolving speed
It is 800 revs/min, temperature is 150-200 DEG C, is separately added into 1-2 parts of dispersing agents and 1-2 parts of modifying agent, 10-30 minutes modified
Afterwards, it filtered, washed, being dried, being crushed, being ground up, sieved to obtain active aluminium hydroxide powder, it is red that 5-15 parts of claddings are then added
Phosphorus is uniformly mixed, and can must both be modified to fire retardant.
As a further solution of the present invention: kneader includes rotating electric machine, crushes cabinet, air pressure in the step 3
The side upper end of contracting machine, control panel, filter mechanism, stirred box body and driving motor, the stirred box body is fixedly installed with crushing
Cabinet, described top one end for crushing cabinet are equipped with loading hopper, and the crushing cabinet side is fixedly installed with rotating electric machine,
The output shaft and the horizontally disposed threaded rod of crushing box house of the rotating electric machine are rotatablely connected；
Driving motor, the output shaft of the driving motor and stirring are fixedly installed at the top center of the stirred box body
The stirring rod transmission connection that box house is vertically arranged, the two sides of the stirring rod and one end of inclined plate connect, and the inclined plate
Equidistant to be uniformly mounted on stirring rod, the other end of the inclined plate is fixedly connected with riser, the side peace of the stirred box body
Equipped with air compressor, and the air compressor enters stirred box body by solenoid valve control gas, installs in stirred box body
There is observation window；
The bottom center of the stirred box body is equipped with drainage conduit, and control valve is provided in the drainage conduit, described
The bottom of drainage conduit is connected with filter mechanism, and the filter mechanism includes spring, baffle, filter pipe, strainer and sliding rail, described
The inner tip installation of filter pipe is symmetrically installed with two springs, and the bottom of two springs is fixedly connected with baffle, the screen pipe
The inner wall both ends in road are mounted on arc-shaped slide rail, and the strainer is inserted into arc-shaped slide rail, and the side of the filter mechanism is provided with
For extracting the chamber door of strainer out.
As a further solution of the present invention: the side of the air compressor is equipped with control panel, the control panel electricity
Property connection air compressor, driving motor and rotating electric machine.
As a further solution of the present invention: the bottom of the stirred box body is fixedly installed with three pillars, the pillar
Bottom be provided with yielding rubber pad.
As a further solution of the present invention: the diameter of the filter pipe is bigger than discharge pipe diameter.
A kind of coating process of crack resistence anti-flaming dope, the following steps are included:
1) pre-process: painted surface should be pre-processed before painting, will affect the burr, greasy dirt, stolen goods of painting quality
The removings such as object are clean；Piece surface through Shot Blasting should be in metal true qualities, must not there is oxide skin, the molding sand, rusty stain of remaining
Deng, it is necessary to dry up surface dirt；The piece surface manually polished, do not answer the floating rust of remaining, oxide skin, welding slag, splashing and residual,
Greasy dirt, booty etc., it is necessary to dry up surface dirt；Precoat 15-20 μm of one layer of antirust paint；
2) prime treatment: coating is uniformly mixed, spray-applied primer in Ying 4 hours, and applying should uniformly, and film must not have
Bubble crackle, sagging, elephant skin, is splashed down, is peeled off, booty etc., and priming paint spontaneously dries the time and is not less than 1 hour；If using drying
Drying time can be shortened according to drying temperature；
3) paint processing in spray: applying intermediate layer paint should be after priming paint parches, and surface to be coated can be applied after cleaning, wiped clean
Work industry；Apply intermediate layer paint should uniformly, must not have sagging, holiday, elephant skin, splash down, peel off, sundries the defects of；Coating spontaneously dries
Time is not less than 1 hour, if can shorten drying according to drying temperature using drying；
4) topcoating is handled: complete machine finishing coat should be sprayed after inspection, installation, adjustment, test run are qualified；After complete machine test run
It should be cleaned, there is oily place to scrub using detergent, reach surface cleaning, no greasy dirt, dust, silt, corrosion；Outside paint film
Sight is answered smooth, and no sag, bubbling, crackle, elephant skin, the defects of peeling off, kind paint must not mutually pollute, and it is clear to have a common boundary；
5) it is dried: using naturally dry and drying two ways.
Beneficial effects of the present invention:
1, hydrotalcite and modified flame-retardant agent be joined in the present invention, modified flame-retardant agent is by nano-aluminum hydroxide and encapsulated red phosphorus
Composition, when aluminium hydroxide reaches certain dosage, water supply effect sufficiently, makes hydrogenated products rapid aquation of the red phosphorus in burning at phosphorus
Acid, phosphoric acid condensation generate the glassy covering of poly-metaphosphoric acid, have given full play to the fire retardation of red phosphorus；The generation of poly-metaphosphoric acid,
In addition the presence of aluminium hydroxide forms charring layer when promoting burning；This charring layer can both stop heat and oxygen to enter, again
The small molecule imflammable gas that pyrolysis can be stopped to generate enters gas phase, and the mixed phosphoric acid that generates of encapsulated red phosphorus and steel surface
Iron rust ingredient generate Chinese blister beetle close object be covered in metal watch and, form protective film, and play the role of band rust derusting anti-corrosive；The resistance of hydrotalcite
Combustion property is substantially better than aluminium hydroxide and magnesium hydroxide, and is a kind of really efficient, nontoxic, low cigarette, height the advantages of both have both
The excellent environmental protection fire retarding agent of cost performance, and act synergistically with modified flame-retardant agent, further increase flame retardant effect, and ring
It protects, nontoxic, good flame resistance；
2, the present invention selects the filler of calcium carbonate, talcum powder as coating；Calcium carbonate is a kind of alkaline filler, can reduce painting
The blistering of layer and cracking phenomena, improve the adhesive force and mildew resistance of coating: talcum powder is a kind of hydroxo complex, existing for water
In the case of ,-OH effect is very strong, and since the adhesive force of coating can be improved in the effect of hydroxyl, and make coating that there is certain thixotropic transformation,
Talcum powder is configured as featheriness simultaneously, facilitates the mechanical strength for enhancing coating；
3, it since solid epoxy prepares epoxy emulsion needs that organic cosolvent is added, to ensure to develop the VOC of coating
Content meets index request, and low molecular weight liquid bisphenol A type epoxy resin E-44, E-51 has been selected to mix in 4:6 ratio, and preparation is not
Aqueous epoxy emulsion containing organic cosolvent.Exclusive use E-44 prepares epoxy emulsion and needs that cosolvent is added, and will cause VOC and contains
Measure exceeded: exclusive use E-51 prepares epoxy emulsion and does not need that cosolvent, but poor in flexibility is added.Waterborne epoxy coatings is with water
Instead of organic solvent, V0C is safe and non-toxic containing minimum, solve the gaseous volatilization bring labour protection of coating application Poisoning and
Problem of environmental pollution has prevented the danger of fire, easy for construction, has unique advantage in the application of inner cabin of ship；
4, various raw materials are added by loading hopper, rotating electric machine drives threaded rod rotation, crushes to raw material, so
Enter in stirred box body afterwards, driving motor drives stirring rod rotation, and stirring rod drives inclined plate and riser rotation, so that material mixes
It is more uniform, solenoid valve is opened simultaneously, air compressor is to air is added in stirred box body, so that mixed material rolls, into one
Step is so that material mixing is more uniform；Then it is discharged by drainage conduit, reaches in filter pipe, matched first by baffle and spring
It closes and uses, buffered, reduce the impact force of material decline, avoid having damaged strainer, strainer after material filtering to can be obtained
Coating；Strainer is inserted into arc-shaped slide rail, and convenient for opening chamber door, strainer is extracted, easy to replace and maintain.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is kneader overall structure diagram of the present invention.
Fig. 2 is filter mechanism structural schematic diagram in kneader of the present invention.
In figure: 1, loading hopper；2, rotating electric machine；3, threaded rod；4, cabinet is crushed；5, air compressor；6, control panel；
7, solenoid valve；8, pillar；9, drainage conduit；10, chamber door；11, filter mechanism；12, stirring rod；13, inclined plate；14, riser；15, it stirs
Mix cabinet；16, driving motor；111, spring；112, baffle；113, filter pipe；114, strainer；115, sliding rail.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1:
A kind of crack resistence anti-flaming dope, the coating are prepared by following weight parts raw material: 50 parts of fillers, 20 parts of pigment, 2
Part auxiliary agent, 30 parts of epoxy resin latexes, 5 parts of water, 95 parts of curing agent emulsions, 2 parts of curing agent promote liquid, 20 parts of hydrotalcites, 1 part change
Sex flame retardant；
Wherein, coating is prepared by following step:
Step 1: silane coupling agent KH-560 and the dehydrated alcohol of 5 times of quality are diluted with deionized water, are made into 2%
Coupling agent solution, stirring are fully hydrolyzed silane coupling agent；Hydrotalcite is added into stirred autoclave, the matter such as is then slowly added into
The coupling agent solution of amount, it is stirring while adding, it adds and continuously adds deionized water after coupling agent solution until hydrotalcite becomes slurries,
Continue high-speed stirred 30-60 minutes, is dried 6 hours in 85 DEG C of baking ovens after filtration washing, it is spare；
Step 2: promote liquid to be stirred evenly with sand milling dispersion machine curing agent emulsion and curing agent, it is spare to obtain mixed liquor；
Step 3: by the hydrotalcite prepared in step 1 and filler, pigment, modified flame-retardant agent, auxiliary agent, epoxy resin latex
It is added sequentially in kneader with water, obtained puttylike object is mixed evenly；The mixed liquor being then added in step 2, after
Continuous stirring 20-40 minutes, both can be obtained coating.
Wherein, the chemical component of the filler includes following components according to parts by weight: 10 parts of aluminium hydroxides, 1 part of diminishing
Agent, 6 parts of calcium carbonate, 10 parts of talcum powder, 1 part of cellulose；The epoxy resin latex is by low molecular weight liquid bisphenol type epoxy tree
Rouge E-44, E-51 are mixed to get according to mass ratio for 4:6；The auxiliary agent includes defoaming agent, thickener and dispersing agent.
The modified flame-retardant agent is prepared by following step: 10 parts of nano-aluminum hydroxides is beaten from powder first,
High speed dispersion is carried out in high-shear emulsion machine, after regulating revolving speed and temperature, revolving speed is 800 revs/min, and temperature is 150 DEG C,
It is separately added into 1 part of dispersing agent and 1 part of modifying agent, is modified after ten minutes, is filtered, washed, dried, crush, is ground up, sieved
To active aluminium hydroxide powder, 5 parts of encapsulated red phosphorus are then added, is uniformly mixed, can must both be modified to fire retardant.
A kind of coating process of crack resistence anti-flaming dope, comprising the following steps:
1) pre-process: painted surface should be pre-processed before painting, will affect the burr, greasy dirt, stolen goods of painting quality
The removings such as object are clean；Piece surface through Shot Blasting should be in metal true qualities, must not there is oxide skin, the molding sand, rusty stain of remaining
Deng, it is necessary to dry up surface dirt；The piece surface manually polished, do not answer the floating rust of remaining, oxide skin, welding slag, splashing and residual,
Greasy dirt, booty etc., it is necessary to dry up surface dirt；Precoat 15-20 μm of one layer of antirust paint；
2) prime treatment: coating is uniformly mixed, spray-applied primer in Ying 4 hours, and applying should uniformly, and film must not have
Bubble crackle, sagging, elephant skin, is splashed down, is peeled off, booty etc., and priming paint spontaneously dries the time and is not less than 1 hour；If using drying
Drying time can be shortened according to drying temperature；
3) paint processing in spray: applying intermediate layer paint should be after priming paint parches, and surface to be coated can be applied after cleaning, wiped clean
Work industry；Apply intermediate layer paint should uniformly, must not have sagging, holiday, elephant skin, splash down, peel off, sundries the defects of；Coating spontaneously dries
Time is not less than 1 hour, if can shorten drying according to drying temperature using drying；
4) topcoating is handled: complete machine finishing coat should be sprayed after inspection, installation, adjustment, test run are qualified；After complete machine test run
It should be cleaned, there is oily place to scrub using detergent, reach surface cleaning, no greasy dirt, dust, silt, corrosion；Outside paint film
Sight is answered smooth, and no sag, bubbling, crackle, elephant skin, the defects of peeling off, kind paint must not mutually pollute, and it is clear to have a common boundary；
5) it is dried: using naturally dry and drying two ways.
Embodiment 2:
A kind of crack resistence anti-flaming dope, the coating are prepared by following weight parts raw material: 55 parts of fillers, 25 parts of pigment, 5
Part auxiliary agent, 35 parts of epoxy resin latexes, 10 parts of water, 97 parts of curing agent emulsions, 3 parts of curing agent promote liquid, 25 parts of hydrotalcites, 3 parts
Modified flame-retardant agent；
Wherein, coating is prepared by following step: preparation method is same as Example 1.
Wherein, the chemical component of the filler includes following components according to parts by weight: 15 parts of aluminium hydroxides, 1.5 parts subtract
Aqua, 8 parts of calcium carbonate, 13 parts of talcum powder, 2 parts of celluloses；The epoxy resin latex is by low molecular weight liquid bisphenol type epoxy
Resin E-44, E-51 are mixed to get according to mass ratio for 4:6；The auxiliary agent includes defoaming agent, thickener and dispersing agent.
The modified flame-retardant agent is prepared by following step: 15 parts of nano-aluminum hydroxides is beaten from powder first,
High speed dispersion is carried out in high-shear emulsion machine, after regulating revolving speed and temperature, revolving speed is 800 revs/min, and temperature is 180 DEG C,
1.5 parts of dispersing agents and 1.5 parts of modifying agent are separately added into, is modified after twenty minutes, is filtered, washed, dried, crushed, ground, mistake
Sieve obtains active aluminium hydroxide powder, and 10 parts of encapsulated red phosphorus are then added, is uniformly mixed, can must both be modified to fire retardant.
Embodiment 3:
A kind of crack resistence anti-flaming dope, the coating are prepared by following weight parts raw material: 60 parts of fillers, 30 parts of pigment, 8
Part auxiliary agent, 40 parts of epoxy resin latexes, 15 parts of water, 98 parts of curing agent emulsions, 5 parts of curing agent promote liquid, 30 parts of hydrotalcites, 5 parts
Modified flame-retardant agent；
Wherein, coating is prepared by following step: preparation method is same as Example 1.
Wherein, the chemical component of the filler includes following components according to parts by weight: 20 parts of aluminium hydroxides, 2 parts of diminishings
Agent, 10 parts of calcium carbonate, 15 parts of talcum powder, 3 parts of celluloses；The epoxy resin latex is by low molecular weight liquid bisphenol type epoxy
Resin E-44, E-51 are mixed to get according to mass ratio for 4:6；The auxiliary agent includes defoaming agent, thickener and dispersing agent.
The modified flame-retardant agent is prepared by following step: 20 parts of nano-aluminum hydroxides is beaten from powder first,
High speed dispersion is carried out in high-shear emulsion machine, after regulating revolving speed and temperature, revolving speed is 800 revs/min, and temperature is 200 DEG C,
2 parts of dispersing agents and 2 parts of modifying agent are separately added into be filtered, washed, dried, crush, be ground up, sieved after 30 minutes modified
To active aluminium hydroxide powder, 15 parts of encapsulated red phosphorus are then added, is uniformly mixed, can must both be modified to fire retardant.
Comparative example 1:
A kind of crack resistence anti-flaming dope, the coating are prepared by following weight parts raw material: 60 parts of fillers, 30 parts of pigment, 8
Part auxiliary agent, 40 parts of epoxy resin latexes, 15 parts of water, 98 parts of curing agent emulsions, 5 parts of curing agent promote liquid, 1 part of fire retardant；
Wherein, coating is prepared by following step:
Step 1: promote liquid to be stirred evenly with sand milling dispersion machine curing agent emulsion and curing agent, it is spare to obtain mixed liquor；
Step 2: filler, pigment, fire retardant, auxiliary agent, epoxy resin latex and water are added sequentially in kneader, are mixed
Conjunction stirs evenly obtained puttylike object；The mixed liquor being then added in step 2 continues stirring 20-40 minutes, both can be obtained
Coating.
Wherein, the chemical component of the filler includes following components according to parts by weight: 10 parts of aluminium hydroxides, 1 part of diminishing
Agent, 6 parts of calcium carbonate, 10 parts of talcum powder, 1 part of cellulose；The epoxy resin latex is by low molecular weight liquid bisphenol type epoxy tree
Rouge E-44, E-51 are mixed to get according to mass ratio for 4:6；The auxiliary agent includes defoaming agent, thickener and dispersing agent；Fire retardant is
Aluminium-hydroxide powder.
Coating prepared by embodiment 1-3 and comparative example 1 is subjected to flame retardant property test, test result is as follows shown in table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | |
| Oxygen index (OI) (%) | 35.6 | 35.8 | 35.4 | 23.5 |
It is because implementing in 1-3 by upper table it is found that coating prepared by embodiment 1-3 has good flame retardant property
It joined hydrotalcite and modified flame-retardant agent, modified flame-retardant agent is made of nano-aluminum hydroxide and encapsulated red phosphorus, and aluminium hydroxide reaches
When certain dosage, water supply effect sufficiently, makes hydrogenated products rapid aquation of the red phosphorus in burning at phosphoric acid, and phosphoric acid condensation generates poly-
The glassy covering of metaphosphoric acid, has given full play to the fire retardation of red phosphorus；The generation of poly-metaphosphoric acid, aluminium hydroxide is deposited in addition
Charring layer is being formed when promoting burning；This charring layer can both stop heat and oxygen to enter, and pyrolysis can be stopped to generate
Small molecule imflammable gas enters gas phase, and the mixed phosphoric acid of encapsulated red phosphorus generation and the iron rust ingredient of steel surface generate Chinese blister beetle and close
Object be covered in metal watch and, form protective film, and play the role of band rust derusting anti-corrosive；The anti-flammability of hydrotalcite is substantially better than hydrogen-oxygen
It is the excellent ring of a kind of really efficient, nontoxic, low cigarette, high performance-price ratio the advantages of both changing aluminium and magnesium hydroxide, and have both
Environment friendly flame-retardant agent, and act synergistically with modified flame-retardant agent, flame retardant effect is further increased, and environmentally friendly, nontoxic；
Select the filler of calcium carbonate, talcum powder as coating.Calcium carbonate is a kind of alkaline filler, can reduce the blistering of coating
And cracking phenomena, improve the adhesive force and mildew resistance of coating: talcum powder is a kind of hydroxo complex, in the presence of water ,-
OH effect is very strong, since the adhesive force of coating can be improved in the effect of hydroxyl, and coating is made to have certain thixotropic transformation, while talcum
Powder is configured as featheriness, facilitates the mechanical strength for enhancing coating.
It since solid epoxy prepares epoxy emulsion needs that organic cosolvent is added, to ensure that the VOC for developing coating contains
Amount meets index request, and low molecular weight liquid bisphenol A type epoxy resin E-44, E-51 has been selected to mix in 4:6 ratio, and preparation is free of
The aqueous epoxy emulsion of organic cosolvent.Exclusive use E-44 prepares epoxy emulsion and needs that cosolvent is added, and will cause VOC content
Exceeded: exclusive use E-51 prepares epoxy emulsion and does not need that cosolvent, but poor in flexibility is added.Waterborne epoxy coatings is with water generation
For organic solvent, V0C is safe and non-toxic containing minimum, solves the gaseous volatilization bring labour protection of coating application Poisoning and ring
Border pollution problem has prevented the danger of fire, easy for construction, has unique advantage in the application of inner cabin of ship.
It please refers to shown in Fig. 1-2, kneader includes rotating electric machine 2, crushes cabinet 4, air compressor 5, control in step 3
The side upper end of making sheet 6, filter mechanism 11, stirred box body 15 and driving motor 16, stirred box body 15 is fixedly installed with crush box
Body 4, the top one end for crushing cabinet 4 are equipped with loading hopper 1, crush 4 side of cabinet and are fixedly installed with rotating electric machine 2, rotate
The output shaft of motor 2 and the threaded rod 3 for crushing the setting of 4 inner horizontal of cabinet are rotatablely connected；
Driving motor 16, the output shaft and agitator tank of driving motor 16 are fixedly installed at the top center of stirred box body 15
The stirring rod 12 of 15 inner vertical of body setting is sequentially connected, and the two sides of stirring rod 12 are connect with one end of inclined plate 13, and inclined plate 13
Equidistant to be uniformly mounted on stirring rod 12, the other end of inclined plate 13 is fixedly connected with riser 14, the side peace of stirred box body 15
Equipped with air compressor 5, and air compressor 5 controls gas by solenoid valve 7 and enters stirred box body 15, pacifies in stirred box body 15
Equipped with observation window；
The bottom center of stirred box body 15 is equipped with drainage conduit 9, and control valve is provided in drainage conduit 9, drainage conduit 9
Bottom is connected with filter mechanism 11, and filter mechanism 11 includes spring 111, baffle 112, filter pipe 113, strainer 114 and sliding rail
115, the inner tip installation of filter pipe 113 is symmetrically installed with two springs 111, and the bottom of two springs 111 is fixedly connected with gear
Plate 112, the inner wall both ends of filter pipe 113 are mounted on arc-shaped slide rail 115, and strainer 114 is inserted into arc-shaped slide rail 115, filtering
The side of mechanism 11 is provided with the chamber door 10 for extracting strainer 114 out.
The side of air compressor 5 is equipped with control panel 6, and control panel 6 is electrically connected air compressor 5, driving motor 16
With rotating electric machine 2, work convenient for control equipment, high degree of automation；The bottom of stirred box body 15 is fixedly installed with three pillars
8, the bottom of pillar 8 is provided with yielding rubber pad, convenient for reducing vibration, guarantees the stability of equipment work；Filter pipe 113
Diameter it is bigger than 9 diameter of drainage conduit, the coating convenient for getting off to drainage conduit 9 buffers, protect strainer 114.
The working principle of the invention: various raw materials are added by loading hopper 1, rotating electric machine 2 drives 3 turns of threaded rod
It is dynamic, raw material is crushed, subsequently into stirred box body 15, driving motor 16 drives stirring rod 12 to rotate, 12 band of stirring rod
Dynamic inclined plate 13 and riser 14 rotate, so that material mixing is more uniform, open simultaneously solenoid valve 7, air compressor 5 is to agitator tank
Air is added in body 15, so that mixed material rolls, further such that material mixing is more uniform；Then pass through 9 row of drainage conduit
Out, it reaches in filter pipe 113, is used cooperatively, is buffered with spring 111 by baffle 112 first, reduce material decline
Impact force, avoids having damaged strainer 114, and strainer 114 is to can be obtained coating after material filtering；Strainer 114 is inserted into arc-shaped slide rail
In 115, convenient for opening chamber door 10, strainer 114 is extracted, it is easy to replace and maintain.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, and without departing from invention or surpasses
More range defined in the claims, is within the scope of protection of the invention.
Claims (10)
1. a kind of crack resistence anti-flaming dope, which is characterized in that the coating is prepared by following weight parts raw material: 50-60 parts are filled out
Material, 20-30 parts of pigment, 2-8 parts of auxiliary agents, 30-40 parts of epoxy resin latexes, 5-15 parts of water, 95-98 parts of curing agent emulsions, 2-5 parts
Curing agent promotes liquid, 20-30 parts of hydrotalcites, 1-5 parts of modified flame-retardant agent；
Wherein, coating is prepared by following step:
Step 1: silane coupling agent KH-560 and the dehydrated alcohol of 5 times of quality are diluted with deionized water, are made into 2% coupling
Agent solution, stirring are fully hydrolyzed silane coupling agent；Hydrotalcite is added into stirred autoclave, the quality such as is then slowly added into
Coupling agent solution, it is stirring while adding, deionized water is continuously added after adding coupling agent solution until hydrotalcite becomes slurries, continuation
It high-speed stirred 30-60 minutes, is dried 6 hours in 85 DEG C of baking ovens after filtration washing, it is spare；
Step 2: promote liquid to be stirred evenly with sand milling dispersion machine curing agent emulsion and curing agent, it is spare to obtain mixed liquor；
Step 3: by the hydrotalcite prepared in step 1 and filler, pigment, modified flame-retardant agent, auxiliary agent, epoxy resin latex and water
It is added sequentially in kneader, obtained puttylike object is mixed evenly；The mixed liquor being then added in step 2 continues to stir
It mixes 20-40 minutes, coating both can be obtained.
2. a kind of crack resistence anti-flaming dope according to claim 1, which is characterized in that the chemical component of the filler is by weight
Measure number meter include following components: 10-20 parts of aluminium hydroxides, 1-2 parts of water-reducing agents, 6-10 parts of calcium carbonate, 10-15 parts of talcum powder,
1-3 parts of celluloses.
3. a kind of crack resistence anti-flaming dope according to claim 1, which is characterized in that the epoxy resin latex is will be low
Molecular fluid bisphenol A type epoxy resin E-44, E-51 is mixed to get according to mass ratio for 4:6.
4. a kind of crack resistence anti-flaming dope according to claim 1, which is characterized in that the auxiliary agent includes defoaming agent, increases
Thick dose and dispersing agent.
5. a kind of crack resistence anti-flaming dope according to claim 1, which is characterized in that the modified flame-retardant agent passes through following
Step is prepared: being first beaten 10-20 parts of nano-aluminum hydroxides from powder, high speed point is carried out in high-shear emulsion machine
Dissipate, after regulating revolving speed and temperature, revolving speed be 800 revs/min, temperature be 150-200 DEG C, be separately added into 1-2 part dispersing agents with
1-2 parts of modifying agent are filtered, are washed, being dried, being crushed, being ground up, sieved to obtain active aluminium hydroxide after 10-30 minutes modified
Then powder is added 5-15 parts of encapsulated red phosphorus, is uniformly mixed, can must both be modified to fire retardant.
6. a kind of crack resistence anti-flaming dope according to claim 1, which is characterized in that kneader includes in the step 3
Rotating electric machine (2) crushes cabinet (4), air compressor (5), control panel (6), filter mechanism (11), stirred box body (15) and drives
Dynamic motor (16), the side upper end of the stirred box body (15), which is fixedly installed with, crushes cabinet (4), crushing cabinet (4)
Top one end is equipped with loading hopper (1), and crushing cabinet (4) side is fixedly installed with rotating electric machine (2), the electric rotating
The output shaft of machine (2) and the threaded rod (3) for crushing the setting of cabinet (4) inner horizontal are rotatablely connected；
It is fixedly installed with driving motor (16) at the top center of the stirred box body (15), the output of the driving motor (16)
Axis and the stirring rod (12) of stirred box body (15) inner vertical setting are sequentially connected, the two sides of the stirring rod (12) and inclined plate
(13) one end connection, and the inclined plate (13) is equidistant is uniformly mounted on stirring rod (12), the inclined plate (13) it is another
End is fixedly connected with riser (14), and the side of the stirred box body (15) is equipped with air compressor (5), and the air compresses
Machine (5) controls gas by solenoid valve (7) and enters stirred box body (15), and stirred box body is equipped with observation window on (15)；
The bottom center of the stirred box body (15) is equipped with drainage conduit (9), is provided with control valve on the drainage conduit (9)
Door, the bottom of the drainage conduit (9) are connected with filter mechanism (11), and the filter mechanism (11) includes spring (111), baffle
(112), the inner tip installation of filter pipe (113), strainer (114) and sliding rail (115), the filter pipe (113) is symmetrical
Be equipped with two springs (111), the bottom of two springs (111) is fixedly connected with baffle (112), the filter pipe (113) it is interior
Wall both ends are mounted on arc-shaped slide rail (115), in strainer (114) insertion arc-shaped slide rail (115), the filter mechanism (11)
Side be provided with the chamber door (10) for extracting strainer (114) out.
7. a kind of crack resistence anti-flaming dope according to claim 6, which is characterized in that the one of the air compressor (5)
Side is equipped with control panel (6), and the control panel (6) is electrically connected air compressor (5), driving motor (16) and rotating electric machine
(2)。
8. a kind of crack resistence anti-flaming dope according to claim 6, which is characterized in that the bottom of the stirred box body (15)
Three pillars (8) are fixedly installed with, the bottom of the pillar (8) is provided with yielding rubber pad.
9. a kind of crack resistence anti-flaming dope according to claim 6, which is characterized in that the filter pipe (113) it is straight
Diameter is bigger than drainage conduit (9) diameter.
10. a kind of coating process of crack resistence anti-flaming dope, which comprises the following steps:
1) pre-process: painted surface should be pre-processed before painting, will affect burr, greasy dirt, booty of painting quality etc.
It removes clean；Piece surface through Shot Blasting should be in metal true qualities, must not there is oxide skin, molding sand, the rusty stain etc. of remaining, must
It must drying surface dirt；The piece surface manually polished, do not answer the floating rust of remaining, oxide skin, welding slag, splashing and residual, greasy dirt,
Booty etc., it is necessary to dry up surface dirt；Precoat 15-20 μm of one layer of antirust paint；
2) prime treatment: coating is uniformly mixed, spray-applied primer in Ying 4 hours, and applying should uniformly, and film must not have gas
Bubble crackle, sagging, elephant skin, is splashed down, is peeled off, booty etc., and priming paint spontaneously dries the time and is not less than 1 hour；If can using drying
Shorten drying time according to drying temperature；
3) paint processing in spray: applying intermediate layer paint should be after priming paint parches, and surface to be coated can carry out construction work after cleaning, wiped clean
Industry；Apply intermediate layer paint should uniformly, must not have sagging, holiday, elephant skin, splash down, peel off, sundries the defects of；Coating spontaneously dries the time
Not less than 1 hour, if using drying drying can be shortened according to drying temperature；
4) topcoating is handled: complete machine finishing coat should be sprayed after inspection, installation, adjustment, test run are qualified；It should be into after complete machine test run
Row cleaning, has oily place to scrub using detergent, reaches surface cleaning, no greasy dirt, dust, silt, corrosion；Paint film appearance is answered
Smooth, no sag, bubbling, crackle, elephant skin, the defects of peeling off, kind paint must not mutually pollute, and it is clear to have a common boundary；
5) it is dried: using naturally dry and drying two ways.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527345A (en) * | 2019-09-18 | 2019-12-03 | 重庆兴渝涂料股份有限公司 | Colorful flame-retardant inner wall of building powder of lacquer putty for use on and preparation method thereof |
| CN111423788A (en) * | 2020-05-11 | 2020-07-17 | 龙海市大华涂料有限公司 | Preparation method of epoxy resin aqueous paint |
-
2019
- 2019-04-09 CN CN201910280825.6A patent/CN109929389A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527345A (en) * | 2019-09-18 | 2019-12-03 | 重庆兴渝涂料股份有限公司 | Colorful flame-retardant inner wall of building powder of lacquer putty for use on and preparation method thereof |
| CN111423788A (en) * | 2020-05-11 | 2020-07-17 | 龙海市大华涂料有限公司 | Preparation method of epoxy resin aqueous paint |
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