CN102746784B - Energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and preparation method thereof - Google Patents
Energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and preparation method thereof Download PDFInfo
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- CN102746784B CN102746784B CN201210266083.XA CN201210266083A CN102746784B CN 102746784 B CN102746784 B CN 102746784B CN 201210266083 A CN201210266083 A CN 201210266083A CN 102746784 B CN102746784 B CN 102746784B
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- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 239000003063 flame retardant Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
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- 239000000463 material Substances 0.000 claims description 20
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 18
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- 230000008719 thickening Effects 0.000 claims description 17
- 239000000779 smoke Substances 0.000 claims description 14
- 230000009970 fire resistant effect Effects 0.000 claims description 13
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 10
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- 229920000570 polyether Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
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- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 claims description 4
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical group CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 235000005513 chalcones Nutrition 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 229960002725 isoflurane Drugs 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 3
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 claims description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 claims description 2
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- 229940051250 hexylene glycol Drugs 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- HDONYZHVZVCMLR-UHFFFAOYSA-N N=C=O.N=C=O.CC1CCCCC1 Chemical class N=C=O.N=C=O.CC1CCCCC1 HDONYZHVZVCMLR-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 33
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- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
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- 238000005034 decoration Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000006221 furniture coating Substances 0.000 abstract 1
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- 230000000979 retarding effect Effects 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 239000011527 polyurethane coating Substances 0.000 description 5
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- 238000010992 reflux Methods 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
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- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- Y02P20/121—
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses an energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and a preparation method thereof. The functional coating is prepared from the following raw materials: an aqueous polyurethane dispersion, a flame retardant, a flame-retardant antismoke agent, a hollow glass bead, a wetting dispersant, an anti-settling agent, a thickening agent, water, a leveling agent and a de-foaming agent, has the functions of heat preservation, flame retarding, water prevention and corrosion resistance and the like, is unlikely to become yellow when in use, is safe and reliable, is excellent in performance, is good in compatibility with pigment dyestuff, is unlikely to damage the coated surface, is easy to modify, is nontoxic, is safe to use, does not pollute environment and is suitable for the fields of inner and outer wall coating, pipeline coating, wood furniture coating, decoration coating, chemical corrosion-proof coating and the like.
Description
Technical field
The invention belongs to chemical field, be specifically related to corrosion-resistant functional paint of a kind of heat-insulating and fire-proof waterproof and preparation method thereof.
Background technology
Energy-saving and emission-reduction have become the fundamental state policy of China, and building energy conservation is an important component part wherein.In the energy-conservation design of architectural exterior-protecting construction, widespread use along with external thermal insulation system, finishing material has also been proposed to stricter requirement, the heavy material such as conventional ceramic tile, stone material was abandoned in the past, and, water-repellancy good with outer heat preservation system consistency and matching and ventilation property is excellent, contamination resistance and the good functional veneer coating of weather resistance are favored.
But the key property of the relevant veneer coatings such as that existing functional veneer coating does not all relate to is fire-retardant, resistant to chemical media.When therefore, how to improve functional veneer coating heat-insulating property, improving the over-all propertieies such as flame retardant properties, waterproof, resistant to chemical media, reduction pollution is the key issue of heat retaining property paint development.
Summary of the invention
To the object of the invention is the problem such as existing thermal insulation coatings resistant to chemical media is poor, contaminate environment, function singleness in order overcoming, to provide a kind of and there is the advantages such as low cigarette, low toxicity, difficult combustion, waterproof, resistant to chemical media in the corrosion-resistant functional paint of energy saving heat-insulating and fire-proof waterproof of one.
Another object of the present invention is to provide the preparation method of this energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint.
The object of the invention is to realize in the following manner:
The corrosion-resistant functional paint of a kind of energy saving heat-insulating and fire-proof waterproof, this coating is prepared by following component: 100 parts of aqueous polyurethane dispersion, 5-30 part fire retardant, 1-10 part fire-proof smoke suppressor, 40-100 part hollow glass micropearl, 0.1-2 part wetting dispersing agent, 0.1-2 part anti-settling agent, 1-5 part thickening material, 10-50 part water, 0.1-1 part flow agent and 0.1-2 part defoamer.
This coating is preferably prepared by following component: 100 parts of aqueous polyurethane dispersion, 15-25 part fire retardant, 5-8 part fire-proof smoke suppressor, 60-90 part hollow glass micropearl, 1-2 part wetting dispersing agent, 0.5-1.5 part anti-settling agent, 2-4 part thickening material, 20-50 part water, 0.4-1 part flow agent and 0.5-1 part defoamer.
The main performance index of described aqueous polyurethane dispersion is: solid content is 20-40%, and viscosity is that 11-20s/(is coated with-4 glasss, 25 ℃).Fire retardant is preferably the mixture of TDE and antimonous oxide, and mass ratio is 1:5-5:1.Described fire-proof smoke suppressor is preferably in magnesium hydroxide, aluminium hydroxide, zinc borate a kind of.Preferably the thermal conductivity of hollow glass micropearl is 0.03-0.08W/mK, particle diameter 1000-5000 order.Described wetting dispersing agent, anti-settling agent, thickening material, flow agent and defoamer are commercially available prod.The wetting dispersing agent BYK-AT204 that the preferred German Bi Ke of wetting dispersing agent chemical company produces, the anti-settling agent BYK-410 that the preferred German Bi Ke of anti-settling agent chemical company produces, the thickening material K-800 that the preferred Guangzhou of thickening material Ke Ming Chemical Industry Science Co., Ltd produces, the flow agent BYK-307 that the preferred German Bi Ke of flow agent chemical company produces, the defoamer CA-2011 that the preferred Guangzhou of defoamer Xuan Ning Chemical Industry Science Co., Ltd produces.
Above-mentioned aqueous polyurethane dispersion can prepare by the following method: polyether glycol is vacuumized at 100-110 ℃ to dehydration 0.5-2 hour, be cooled to below 50 ℃, add by the aliphatics of the mol ratio-NCO/-OH=2-5 of functional group or alicyclic diisocyanate, at 70-80 ℃, react 1-2 hour, then add dimethylol propionic acid, low molecular polylol chainextender, above raw material reacts under catalyzer exists by the mol ratio-NCO/-OH=1.1-1.5 of functional group, temperature of reaction 70-80 ℃, reaction times 2-4 hour, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, make end group and take isocyanate groups as main, carboxyl-content is the base polyurethane prepolymer for use as of 0.7-2.0%, the above-mentioned base polyurethane prepolymer for use as making is cooled to 30-50 ℃, adds triethylamine to make to obtain prepolymer, the preferred 80-110% of degree of neutralization with salify in performed polymer, prepolymer discharging, under agitation adds deionized water to disperse, and heats up and steams the acetone of 70-90%, makes aqueous polyurethane dispersion.
Described polyether glycol molecular weight between 400-5000, preferred 1500-2500; Described aliphatics or alicyclic diisocyanate are one or more mixing in hexamethylene diisocyanate, isoflurane chalcone diisocyanate, xylylene diisocyanate, Methylcyclohexyl diisocyanate, dicyclohexyl methane diisocyanate, tetramethylxylylene diisocyanate.Described low molecular polylol chainextender is TriMethylolPropane(TMP), glycerine, ethylene glycol, BDO, 1, the mixing of one or more in 6-hexylene glycol, 2,3-butanediol, glycol ether; Described catalyzer is a kind of in dibutyl tin laurate, stannous octoate.
The preparation method of the corrosion-resistant functional paint of energy-saving heat preserving fire-resistant waterproof of the present invention comprises the following steps:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water and stir 10-30 minute, preferably stirring velocity is 600-1200 rev/min;
(2) add fire retardant, fire-proof smoke suppressor to stir 30-60 minute; Preferably stirring velocity is 1000-2000 rev/min;
(3) add aqueous polyurethane dispersion, stir 10-30 minute; Preferably stirring velocity is 600-1200 rev/min;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material to stir.
Beneficial effect of the present invention compared with the prior art:
1, compare with widely used solvent borne polyurethane coating in the market, the present invention fill a prescription while adopting a certain amount of aqueous polyurethane dispersion that aqueous polyurethane coating is used, have be difficult for xanthochromia, safe and reliable, excellent property, good with the consistency of pigment dye, not easy damaged by coating surface, be easy to modification, nontoxic, use the advantages such as safe, free from environmental pollution.
2, adopt reactive flame retardant to combine with fire-proof smoke suppressor, make it to play fire-retardant synergy, make coating of the present invention there is the features such as low cigarette, low toxicity, difficult combustion.
3, in polyurethane coating formula of the present invention by adding a certain amount of hollow glass micropearl to increase the heat-blocking action of coating, reduce density, simultaneously in conjunction with fire retardant and fire-proof smoke suppressor, make aqueous polyurethane coating there is insulation, fire-retardant, waterproof, anticorrosion etc. multi-functional in one, the fields such as exterior wall application in being applicable to, wood furniture application, finishing application, Chemical Preservation application.
Embodiment
Below just the present invention illustrate, but be not limitation of the present invention.The preparation that wherein routine 1-4 is aqueous polyurethane dispersion, the preparation that routine 5-8 is functional paint.
Embodiment 1
Agitator is being housed, thermometer, in the reactor of reflux exchanger, add polyether glycol (molecular weight is 2300) 40g, at 110 ℃, vacuumize dehydration 1 hour, be cooled to 50 ℃ and add below isoflurane chalcone diisocyanate 18g, be warming up to 80 ℃, react 2 hours, add dimethylol propionic acid 3g, 1, 4-butyleneglycol 1.2g, TriMethylolPropane(TMP) 0.3g, stannous octoate 0.12g, under agitation continue reaction 2 hours, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, obtain performed polymer, then be cooled to 40 ℃ of left and right, add 2g triethylamine to make to obtain prepolymer with salify in performed polymer, prepolymer discharging, to decollator, adds deionized water 117g under high speed shear, and the acetone that steams 90% volume obtains aqueous polyurethane dispersion.Its performance is as follows: solid content: 33.2%; PH value: 6.7; Viscosity (being coated with-4 glasss/25 ℃): 15 seconds.
Embodiment 2
Agitator is being housed, thermometer, in the reactor of reflux exchanger, add polyether glycol (molecular weight is 2100) 40g, at 105 ℃, vacuumize dehydration 1 hour, be cooled to 50 ℃ and add below isoflurane chalcone diisocyanate 12.5g, 1, hexamethylene-diisocyanate 6.2g, be warming up to 80 ℃, react 1 hour, add dimethylol propionic acid 2.3g, 1, 4-butyleneglycol 2.3g, glycerine 0.3g, dibutyl tin laurate 0.13g, under agitation continue reaction 3 hours, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, obtain performed polymer, then be cooled to 35 ℃ of left and right, add 1.5g triethylamine to make to obtain prepolymer with salify in performed polymer, prepolymer discharging, to decollator, adds deionized water 125g under high speed shear, and the acetone that steams 90% volume obtains aqueous polyurethane dispersion.Its performance is as follows: solid content: 32.3%; PH value: 7.1; Viscosity (being coated with-4 glasss/25 ℃): 17 seconds.
Embodiment 3
Agitator is being housed, thermometer, in the reactor of reflux exchanger, add polyether glycol (molecular weight is 1800) 40g, at 105 ℃, vacuumize dehydration 1 hour, be cooled to 50 ℃ and add below dicyclohexyl methane diisocyanate 18g, be warming up to 75 ℃, react 1 hour, add dimethylol propionic acid 3.5g, 1, 4-butyleneglycol 1.7g, stannous octoate 0.2g, under agitation continue reaction 3 hours, obtain performed polymer, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, then be cooled to 35 ℃ of left and right, add 3.2g triethylamine to make in performed polymer and salify, discharging, to decollator, adds deionized water 101g under high speed shear, and the acetone that steams 90% volume obtains aqueous polyurethane dispersion.Its performance is as follows: solid content: 37.3%; PH value: 7.2; Viscosity (being coated with-4 glasss/25 ℃): 18 seconds.
Embodiment 4
Agitator is being housed, thermometer, in the reactor of reflux exchanger, add polyether glycol (molecular weight is 2200) 40g, at 105 ℃, vacuumize dehydration 1 hour, be cooled to 50 ℃ and add below Methylcyclohexyl diisocyanate 20g, be warming up to 75 ℃, react 1 hour, add dimethylol propionic acid 3.2g, 1, 4-butyleneglycol 1.2g, TriMethylolPropane(TMP) 0.3g, dibutyl tin laurate 0.12g, under agitation continue reaction 4 hours, obtain performed polymer, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, then be cooled to 35 ℃ of left and right, add 2.3g triethylamine to make in performed polymer and salify, discharging, to decollator, adds deionized water 213g under high speed shear, and the acetone that steams 80% volume obtains aqueous polyurethane dispersion.Its performance is as follows: solid content: 22.1%; PH value: 6.5; Viscosity (being coated with-4 glasss/25 ℃): 14 seconds.
Embodiment 5
The formula of functional paint: the aqueous polyurethane dispersion that 100g embodiment 1 is prepared, 10g TDE, 10g antimonous oxide, 5g zinc borate, (thermal conductivity is 0.03-0.08W/mK to 70g hollow glass micropearl, particle diameter 1000-5000 order), 1g wetting dispersing agent (German Bi Ke chemical company, BYK-AT204), 1g anti-settling agent (German Bi Ke chemical company, BYK-410), 2g thickening material (Guangzhou Ke Ming Chemical Industry Science Co., Ltd, K-800), 30g water, 0.5g flow agent (German Bi Ke chemical company, BYK-307) and 1g defoamer (Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, CA-2011).Its concrete preparation process is as follows:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water, stirring velocity 600-1200 rev/min, stirs 10-30 minute;
(2) add fire retardant, fire-proof smoke suppressor, stirring velocity 1000-2000 rev/min, stirs 30-60 minute;
(3) reduce stirring velocity to 600-1200 rev/min, add aqueous polyurethane dispersion, stir 10-30 minute;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material, last adjusting coating color.
The physicals of resulting functional paint coating is as shown in the table:
| Project | Index |
| Dry film density, g/cm 3 | 0.17 |
| Oxygen index | 30 |
| Dry film water-intake rate, % | 4% |
| Heat-conduction value, W/ (m 2.K) | 0.03 |
| Resistance to 10% sodium chloride solution erosion time, h | 75 |
Embodiment 6
The formula of functional paint: the aqueous polyurethane dispersion that 100g embodiment 2 is prepared, 8g TDE, 7g antimonous oxide, 6g magnesium hydroxide, (thermal conductivity is 0.03-0.08W/mK to 60g hollow glass micropearl, particle diameter 1000-5000 order), 1.2g wetting dispersing agent (German Bi Ke chemical company, BYK-AT203), 0.8g anti-settling agent (German Bi Ke chemical company, BYK-410), 2g thickening material (Guangzhou Ke Ming Chemical Industry Science Co., Ltd, K-800), 25g water, 0.8 part of flow agent (German Bi Ke chemical company, BYK-333) and 1g defoamer (Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, CA-2031).Its concrete preparation process is as follows:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water, stirring velocity 600-1200 rev/min, stirs 10-30 minute;
(2) add fire retardant, fire-proof smoke suppressor, stirring velocity 1000-2000 rev/min, stirs 30-60 minute;
(3) reduce stirring velocity to 600-1200 rev/min, add aqueous polyurethane dispersion, stir 10-30 minute;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material, last adjusting coating color.
The physicals of resulting functional paint coating is as shown in the table:
| Project | Index |
| Dry film density, g/cm 3 | 0.21 |
| Oxygen index | 29 |
| Dry film water-intake rate, % | 4.5% |
| Heat-conduction value, W/ (m 2.K) | 0.028 |
| Resistance to 10% sodium chloride solution erosion time, h | 78 |
Embodiment 7
The formula of functional paint: the aqueous polyurethane dispersion that 100g embodiment 3 is prepared, 12g TDE, 6g antimonous oxide, 5g magnesium hydroxide, (thermal conductivity is 0.03-0.08W/mK to 90g hollow glass micropearl, particle diameter 1000-5000 order), 1g wetting dispersing agent (German Bi Ke chemical company, BYK-AT204), 1g anti-settling agent (German Bi Ke chemical company, BYK-410), 2.5g thickening material ((Guangzhou Zhuo Hou Chemical Industry Science Co., Ltd, CP-802)), 42g water, 0.4g flow agent (German Bi Ke chemical company, BYK-354) and 0.8g defoamer (Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, CA-2032).Its concrete preparation process is as follows:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water, stirring velocity 600-1200 rev/min, stirs 10-30 minute;
(2) add fire retardant, fire-proof smoke suppressor, stirring velocity 1000-2000 rev/min, stirs 30-60 minute;
(3) reduce stirring velocity to 600-1200 rev/min, add aqueous polyurethane dispersion, stir 10-30 minute;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material, last adjusting coating color.
The physicals of resulting functional paint coating is as shown in the table:
| Project | Index |
| Dry film density, g/cm 3 | 0.15 |
| Oxygen index | 31 |
| Dry film water-intake rate, % | 3.7% |
| Heat-conduction value, W/ (m 2.K) | 0.035 |
| Resistance to 10% sodium chloride solution erosion time, h | 81 |
Embodiment 8
The formula of functional paint: the aqueous polyurethane dispersion that 100g embodiment 4 is prepared, 10g TDE, 15g antimonous oxide, 6g aluminium hydroxide, (thermal conductivity is 0.03-0.08W/mK to 75g hollow glass micropearl, particle diameter 1000-5000 order), 1g wetting dispersing agent (German Bi Ke chemical company, BYK-AT204), 1g anti-settling agent (German Bi Ke chemical company, BYK-410), 2.8g part thickening material (Guangzhou Zhuo Hou Chemical Industry Science Co., Ltd, CP-803), 20g water, 0.7g flow agent (German Bi Ke chemical company, BYK-356) and 1g defoamer (Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, CA-2011).Its concrete preparation process is as follows:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water, stirring velocity 600-1200 rev/min, stirs 10-30 minute;
(2) add fire retardant, fire-proof smoke suppressor, stirring velocity 1000-2000 rev/min, stirs 30-60 minute;
(3) reduce stirring velocity to 600-1200 rev/min, add aqueous polyurethane dispersion, stir 10-30 minute;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material, last adjusting coating color.
The physicals of resulting functional paint coating is as shown in the table:
| Project | Index |
| Dry film density, g/cm 3 | 0.20 |
| Oxygen index | 30 |
| Dry film water-intake rate, % | 4.1% |
| Heat-conduction value, W/ (m 2.K) | 0.029 |
| Resistance to 10% sodium chloride solution erosion time, h | 82 |
In above-described embodiment, dry film density is according to the measuring method of GB/T 533-2008 vulcanized rubber or thermoplastic elastomer density.
Oxygen index is measured burning behavior part 2 according to GB/T 2406.2-2009 plastics with oxygen index method: room temperature test.
Dry film water-intake rate is according to GB 1738-1979 insullac paint film water-intake rate assay method.
Heat-conduction value is according to GB/T 10297-1998, the mensuration heat-pole method of non-metallic solid material heat-conducting coefficient.
Resistance to 10% sodium chloride solution erosion time method is measured concrete steps: it is in 10% sodium chloride solution that coating is immersed to concentration, if find the havoc phenomenons such as coating generation layering, foaming, stops testing and recording erosion time.
Therefore, above-mentioned aqueous polyurethane coating is except having insulation, fire-retardant, waterproof, anticorrosion etc. multi-functional in one, during use, be difficult for xanthochromia, safe and reliable, excellent property, good with the consistency of pigment dye, not easy damaged by coating surface, be easy to modification, nontoxic, use the fields such as safe, free from environmental pollution, exterior wall application in being applicable to, pipeline application, wood furniture application, finishing application, Chemical Preservation application.
Claims (10)
1. an energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint, it is characterized in that this coating is prepared by following component: 100 parts of aqueous polyurethane dispersion, 5-30 part fire retardant, 1-10 part fire-proof smoke suppressor, 40-100 part hollow glass micropearl, 0.1-2 part wetting dispersing agent, 0.1-2 part anti-settling agent, 1-5 part thickening material, 10-50 part water, 0.1-1 part flow agent and 0.1-2 part defoamer, wherein, described aqueous polyurethane dispersion prepares by the following method: polyether glycol is vacuumized at 100-110 ℃ to dehydration 0.5-2 hour, be cooled to below 50 ℃, add by the aliphatics of the mol ratio-NCO/-OH=2-5 of functional group or alicyclic diisocyanate, at 70-80 ℃, react 1-2 hour, then add dimethylol propionic acid, low molecular polylol chainextender, above raw material reacts under catalyzer exists by the mol ratio-NCO/-OH=1.1-1.5 of functional group, temperature of reaction 70-80 ℃, reaction times 2-4 hour, in reaction process by adding acetone to control reactant viscosity below 4000mPa.s, make base polyurethane prepolymer for use as, the above-mentioned base polyurethane prepolymer for use as making is cooled to 30-50 ℃, adds triethylamine to make to obtain prepolymer with salify in performed polymer, prepolymer discharging, under agitation adds deionized water to disperse, and heats up and steams the acetone of 70-90%, makes aqueous polyurethane dispersion.
2. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 1, it is characterized in that this coating is prepared by following component: 100 parts of aqueous polyurethane dispersion, 15-25 part fire retardant, 5-8 part fire-proof smoke suppressor, 60-90 part hollow glass micropearl, 1-2 part wetting dispersing agent, 0.5-1.5 part anti-settling agent, 2-4 part thickening material, 20-50 part water, 0.4-1 part flow agent and 0.5-1 part defoamer.
3. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint claimed in claim 1, is characterized in that the main performance index of described aqueous polyurethane dispersion is: solid content is 20-40%, and viscosity is 11-20s.
4. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint claimed in claim 1, is characterized in that described fire retardant is the mixture of TDE and antimonous oxide, and mass ratio is 1:5-5:1.
5. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 1, is characterized in that described fire-proof smoke suppressor is a kind of in magnesium hydroxide, aluminium hydroxide, zinc borate.
6. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 1, is characterized in that the thermal conductivity of described hollow glass micropearl is 0.03-0.08W/mK, particle diameter 1000-5000 order.
7. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 1, is characterized in that: described polyether glycol molecular weight is between 400-5000; Described aliphatics or alicyclic diisocyanate are one or more mixing in hexamethylene diisocyanate, isoflurane chalcone diisocyanate, xylylene diisocyanate, Methylcyclohexyl diisocyanate, two cyclohexyl methane diisocyanates, tetramethylxylylene diisocyanate.
8. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 7, is characterized in that: described polyether glycol molecular weight is between 1500-2500.
9. energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint according to claim 1, it is characterized in that: described low molecular polylol chainextender is TriMethylolPropane(TMP), glycerine, ethylene glycol, 1,4-butyleneglycol, 1, the mixing of one or more in 6-hexylene glycol, 2,3-butanediol, glycol ether; Described catalyzer is a kind of in dibutyl tin laurate, stannous octoate.
10. a preparation method for energy-saving heat preserving fire-resistant waterproof corrosion resistant functional paint claimed in claim 1, is characterized in that the method comprises the following steps:
(1) wetting dispersing agent, anti-settling agent, flow agent, defoamer are added to the water and stir 10-30 minute;
(2) add fire retardant, fire-proof smoke suppressor to stir 30-60 minute;
(3) add aqueous polyurethane dispersion to stir 10-30 minute;
(4) keep rotating speed constant, add hollow glass micropearl, thickening material to stir.
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