CN102093789A - Modified nano aluminium hydroxide water expansion type overcoating fire retardant paint and preparation method thereof - Google Patents
Modified nano aluminium hydroxide water expansion type overcoating fire retardant paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a modified nano aluminium hydroxide water expansion type overcoating fire retardant paint and a preparation method thereof. The paint is prepared from the following raw materials in percentage by weight: 22%-28% of organic silicon modified styrene-acrylate emulsion, 13%-17% of mixture of anatase type titanium dioxide and modified nano aluminium hydroxide powder, 16%-19% of ammonium polyphosphate, 8%-13% of tripolycyanamide, 5%-9% of pentaerythritol, 3%-7% of auxiliary and 21%-27% of water; and the modified nano aluminium hydroxide is prepared from the raw materials in parts by weight: 60-85 parts of nano aluminium hydroxide powder, 0.8-2.5 parts of sodium hexametaphosphate powder and 18-24 parts of water. The paint is a water system having obvious inflaming retarding effect, high fireproof performance, good brushing resistance, weather resistance and smearing hardness and low fuming amount, and has the beneficial effects of simple production process, good dispersing effect, low cost, stable quality and long service life, and is energy-saving and environment-friendly.
Description
Technical field
The present invention relates to a kind of frie retardant coating, especially relate to a kind of modified Nano aluminium hydroxide water expansion facing fire retardant coating and preparation method thereof.
Background technology
The problem of fire causes the great attention of the Party Central Committee, State Council always, and comrade Jiang Zemin once indicated: " hidden danger danger in naked light, strick precaution is better than the disaster relief, responsibility is weightier than Mount Tai." relevant departments have also formulated the fp Legal Norm, help to reduce the threat of fire to people's life and property, frie retardant coating can effectively reduce the loss of fire.The frie retardant coating of development is to make frie retardant coating by adding the high nano-inorganic substance of thermostability mostly at present, for example publication number is: the patent of invention of CN200810229685.1 " environment-friendly nano fire-retardant coating " provides, by ratio of weight and the number of copies acrylic resin: polyphosphoric acid amine: nanometer SiO2: tetramethylolmethane: butanols: titanium dioxide=200-400: 140-280: 30-70: 110-218: 86-135: 20-60.And publication number be the patent of invention " nano combined fire resistant coating " of CN01136262.6 provide by nanometer silicon carbide, add the organic polymer material of nanometer in the nanoparticles such as nano silicate clay etc. and phosphoric acid salt, oxide compound and nanometer pure aluminium silicate, form by inhomogeneous, out of phase structure, the frie retardant coating of different content and different modes and intercalation compounding preparation.Though they have the effect of certain fire protection flame retarding and heat insulation fire retardant.But their common weak points are that nano-inorganic substance does not decompose thermo-negative reaction under high temperature action, have the low defective of flame retarding efficiency, so utilization ratio of raw materials are lower, and the flameproof protection effect is relatively poor.
Summary of the invention
The present invention is directed to the problems referred to above provides a kind of and issues the reaction of separating estranged at high temperature action, absorb heat, significantly improve flame retardant properties, improve the fire prevention time, and the modified Nano aluminium hydroxide water expansion facing fire retardant coating of the low environmental protection and energy saving of the amount of being fuming and preparation method thereof.
The objective of the invention is to be achieved through the following technical solutions:
Modified Nano aluminium hydroxide water expansion facing fire retardant coating, so it is being prepared from by following raw materials by weight: organic-silicon-modified benzene emulsion 20%～30%, the mixture 10%～19% of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis, ammonium polyphosphate 15%～21%, trimeric cyanamide 6%～16%, tetramethylolmethane 3%～10%, auxiliary agent 2%～8%, water 20%～30%; Described modified Nano aluminium hydroxide by following raw materials by weight portion through being prepared from: 50～100 parts in nano-aluminum hydroxide pulvis, 0.5～3 part in Sodium hexametaphosphate 99 pulvis, 15～25 parts in water.
Described modified Nano aluminium hydroxide water expansion facing fire retardant coating, so it is being prepared from by following raw materials by weight: organic-silicon-modified benzene emulsion 22%～28%, the mixture 13%～17% of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis, ammonium polyphosphate 16%～19%, trimeric cyanamide 8%～13%, tetramethylolmethane 5%～9%, auxiliary agent 3%～7%, water 21%～27%; Described modified Nano aluminium hydroxide by following raw materials by weight portion through being prepared from: 60～85 parts in nano-aluminum hydroxide pulvis, 0.8～2.5 part in Sodium hexametaphosphate 99 pulvis, 18～24 parts in water.
Described modified Nano aluminium hydroxide is by 5%～10% mixing with it of accounting for anatase titanium dioxide weight.
Described auxiliary agent comprises dispersion agent, wetting agent, defoamer and film coalescence aid.
Described dispersion agent, wetting agent, defoamer and film coalescence aid are prepared in the 1:1:1:0.5 ratio.
Described dispersion agent is an acrylic copolymer solution.
Described wetting agent is the polyethoxye compound.
Described defoamer is polysiloxane-based.
Described film coalescence aid is an ethylene glycol.
Prepare the processing method of described modified Nano aluminium hydroxide water expansion facing fire retardant coating, may further comprise the steps:
(a), preparation modified Nano aluminium hydroxide pulvis: get the nano-aluminum hydroxide pulvis by described formulation ratio and place beaker, add water and be made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 then, fully stir 20-30min, make nano-aluminum hydroxide suspension; With nano-aluminum hydroxide suspension filtered, drying, grinding, promptly get pretreated modified Nano aluminium hydroxide pulvis again;
(b), formulation aid solution: by described formulation ratio dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are added in the entry, stir standby with the speed of 800-1700r/min;
(c), mixed finished product: get above-mentioned standby compounding agent solution, by the mixture of described formulation ratio adding anatase titanium dioxide and modified Nano aluminium hydroxide pulvis, the speed with 2000-3500r/min stirs 15-20min simultaneously; After adding ammonium polyphosphate, trimeric cyanamide and tetramethylolmethane then respectively and stirring 10-15min, enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with the speed of 800-1700r/min
Get final product when m is following, add organic-silicon-modified benzene emulsion at last, add film coalescence aid (ethylene glycol), behind the speed restir 15-20min with 800-1700r/min, leave standstill and be finished product, packing.
The present invention compared with prior art has following advantageous effect: the present invention is owing to add pretreated modified Nano aluminium hydroxide; compare with the ordinary hydrogen aluminum oxide; its volume is low; good flame retardation effect and good dispersity; particularly, high temperature action generates aluminum oxide when issuing heat of desorption reaction estranged; cover the carbonaceous layer surface and form inorganic protective layer; absorb heat; can significantly improve flame retardant properties, improve the fire prevention time, the present invention records frie retardant coating duration of fire resistance of the present invention through the big panel method test can improve 20%-35%.Be base-material owing to the present invention has adopted the higher organic-silicon-modified benzene emulsion of thermostability again, fire-resistant composition is ammonium polyphosphate, trimeric cyanamide and tetramethylolmethane, make pretreated modified Nano aluminium hydroxide addition low fire-retardant effective, form organic and the inorganic composite type frie retardant coating with fire-resistant composition, hardness of film, water tolerance and wash-resistant property are better, and getting hardness value of the present invention through the hardness of film test at BY type paint film pencil hardness instrumentation is 2H-2B.In addition, the present invention not only flame retardant effect is obvious, fire resistance height, washability, weathering resistance and to smear hardness good, and the amount of being fuming is low and be water-based system, has environmental protection and energy saving, and production technique is simple, and dispersion effect is good, cost is lower, stable performance, the beneficial effect of long service life.Having the good social benefit of favorable economic benefit, is a kind of comparatively ideal frie retardant coating.
Using method of the present invention: should be at first before using exterior wall surface is repaired, cleaning, filling chink, local Puttying, polished, this coating be fit to brushing technique, unpacks, and manpower stirs and brushes 2 times, and brushing 2 minor ticks must not be less than 4 hour.Use also will be according to factor differences such as environment for use, brushing techniques, according to practical situation adjustment brushing amount and brushing method, in the hope of best result of use in addition.
Embodiment
Below in conjunction with specific embodiment the present invention is further elaborated, but protection scope of the present invention is not limited by specific embodiment, is as the criterion with claims.In addition, with under the prerequisite of technical solution of the present invention, any change or change that those of ordinary skills that the present invention did are realized easily all will fall within the claim scope of the present invention.
Embodiment 1
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 50 Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 2 Kg, water 16 Kg place beaker with the nano-aluminum hydroxide pulvis earlier, add water and are made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 3 Kg by 1:1:1 by formulation ratio, add in the 23 Kg water, with speed be stir in the 800-1700r/min stirrer standby; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 5% mixing with it of accounting for anatase titanium dioxide weight) 15 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 19 Kg, trimeric cyanamide 13 Kg and tetramethylolmethane 5 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 22 Kg at last, add film coalescence aid (ethylene glycol) 0.5 Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 2
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 100 Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 0.5 Kg, water 25 Kg place beaker with the nano-aluminum hydroxide pulvis earlier, add water and are made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 7 Kg by 1:1:1 by formulation ratio, add in the 30Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 8% mixing with it of accounting for anatase titanium dioxide weight) 10 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, 2000-3500r/min stirs 15-20min; Add ammonium polyphosphate 21 Kg, trimeric cyanamide 16Kg and tetramethylolmethane 3 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Get final product when m is following, add organic-silicon-modified benzene emulsion 20 Kg at last, add film coalescence aid (ethylene glycol) 1.17 Kg, stir 15-20min with speed 800-1700r/min after, leave standstill and be finished product, packing.
Embodiment 3
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 75 Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 1.6 Kg, water 20Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 3.5 Kg by 1:1:1 by formulation ratio, add in the 25 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 10% mixing with it of accounting for anatase titanium dioxide weight) 14 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 18 Kg, trimeric cyanamide 11 Kg and tetramethylolmethane 7 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 25 Kg at last, add film coalescence aid (ethylene glycol) 0.58Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 4
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 90Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 3 Kg, water 15Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 6 Kg by 1:1:1 by formulation ratio, add in the 20 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 7% mixing with it of accounting for anatase titanium dioxide weight) 19 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 15Kg, trimeric cyanamide 6 Kg and tetramethylolmethane 10 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 30 Kg at last, add film coalescence aid (ethylene glycol) 1 Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 5
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 60Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 0.8 Kg, water 24Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 2.1 Kg by 1:1:1 by formulation ratio, add in the 27 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 9% mixing with it of accounting for anatase titanium dioxide weight) 13 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 16Kg, trimeric cyanamide 8Kg and tetramethylolmethane 9 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 30 Kg at last, add film coalescence aid (ethylene glycol) 0.35 Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 6
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 85Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 2.5 Kg, water 18Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 4.5Kg by 1:1:1 by formulation ratio, add in the 21 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 6% mixing with it of accounting for anatase titanium dioxide weight) 17 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 17Kg, trimeric cyanamide 14Kg and tetramethylolmethane 6 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 21Kg at last, add film coalescence aid (ethylene glycol) 0.75 Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 7
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 55Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 1 Kg, water 23Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 5.4Kg by 1:1:1 by formulation ratio, add in the 29 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 7% mixing with it of accounting for anatase titanium dioxide weight) 11 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 20Kg, trimeric cyanamide 9Kg and tetramethylolmethane 4 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 26Kg at last, add film coalescence aid (ethylene glycol) 0.9Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Embodiment 8
(a), preparation modified Nano aluminium hydroxide pulvis: get nano-aluminum hydroxide pulvis 70Kg by formulation ratio, Sodium hexametaphosphate 99 pulvis 1.5 Kg, water 19Kg places beaker with the nano-aluminum hydroxide pulvis earlier, adds water and is made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 again, fully stir 20-30min, make nano-aluminum hydroxide suspension; (b), formulation aid: earlier dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are got 6Kg by 1:1:1 by formulation ratio, add in the 25 Kg water, it is standby with speed to be that 800-1700r/min stirs; (c), mixed finished product: get above-mentioned standby compounding agent solution, add mixture (modified Nano aluminium hydroxide is by 10% mixing with it of accounting for anatase titanium dioxide weight) 12 Kg of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis by formulation ratio, the while is stirred 15-20min with 2000-3500r/min; Add ammonium polyphosphate 18Kg, trimeric cyanamide 10Kg and tetramethylolmethane 8 Kg then respectively and be after 800-1700r/min stirs 10-15min, to enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with speed
Getting final product when m is following, add organic-silicon-modified benzene emulsion 24Kg at last, add film coalescence aid (ethylene glycol) 1Kg, is after 800-1700r/min stirs 15-20min with speed, leaves standstill and is finished product, packing.
Should be at first before the present invention uses exterior wall surface is repaired, cleaning, filling chink, local Puttying, polished, this coating be fit to brushing technique, unpacks, and manpower stirs and brushes 2 times, and brushing 2 minor ticks must not be less than 4 hour.Use also will be according to factor differences such as environment for use, brushing techniques, according to practical situation adjustment brushing amount and brushing method, in the hope of best result of use in addition.
Claims (10)
1. modified Nano aluminium hydroxide water expansion facing fire retardant coating is characterized in that it being to be prepared from by following raw materials by weight:
Organic-silicon-modified benzene emulsion 20%～30%,
The mixture 10%～19% of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis,
Ammonium polyphosphate 15%～21%,
Trimeric cyanamide 6%～16%,
Tetramethylolmethane 3%～10%,
Auxiliary agent 2%～8%,
Water 20%～30%,
Described modified Nano aluminium hydroxide by following raw materials by weight portion through being prepared from: 50～100 parts in nano-aluminum hydroxide pulvis, 0.5～3 part in Sodium hexametaphosphate 99 pulvis, 15～25 parts in water.
2. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 1 is characterized in that it being to be prepared from by following raw materials by weight:
Organic-silicon-modified benzene emulsion 22%～28%,
The mixture 13%～17% of anatase titanium dioxide and modified Nano aluminium hydroxide pulvis,
Ammonium polyphosphate 16%～19%,
Trimeric cyanamide 8%～13%,
Tetramethylolmethane 5%～9%,
Auxiliary agent 3%～7%,
Water 21%～27%,
Described modified Nano aluminium hydroxide by following raw materials by weight portion through being prepared from: 60～85 parts in nano-aluminum hydroxide pulvis, 0.8～2.5 part in Sodium hexametaphosphate 99 pulvis, 18～24 parts in water.
3. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 1 and 2 is characterized in that described modified Nano aluminium hydroxide is by 5%～10% mixing with it of accounting for anatase titanium dioxide weight.
4. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 1 and 2 is characterized in that described auxiliary agent comprises dispersion agent, wetting agent, defoamer and film coalescence aid.
5. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 4 is characterized in that described dispersion agent, wetting agent, defoamer and film coalescence aid prepare in the 1:1:1:0.5 ratio.
6. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 4 is characterized in that described dispersion agent is an acrylic copolymer solution.
7. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 4 is characterized in that described wetting agent is the polyethoxye compound.
8. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 4 is characterized in that described defoamer is polysiloxane-based.
9. modified Nano aluminium hydroxide water expansion facing fire retardant coating according to claim 4 is characterized in that described film coalescence aid is an ethylene glycol.
10. prepare the processing method of the described modified Nano aluminium hydroxide of claim 1 water expansion facing fire retardant coating, it is characterized in that may further comprise the steps:
(a), preparation modified Nano aluminium hydroxide pulvis: get the nano-aluminum hydroxide pulvis by described formulation ratio and place beaker, add water and be made into slurry; Slurry placed 80 ℃-100 ℃ water bath with thermostatic control; Add Sodium hexametaphosphate 99 then, fully stir 20-30min, make nano-aluminum hydroxide suspension; With nano-aluminum hydroxide suspension filtered, drying, grinding, promptly get pretreated modified Nano aluminium hydroxide pulvis again;
(b), formulation aid solution: by described formulation ratio dispersion agent (acrylic copolymer solution), wetting agent (polyethoxye compound), defoamer (polysiloxane-based) are added in the entry, stir standby with the speed of 800-1700r/min;
(c), mixed finished product: get above-mentioned standby compounding agent solution, by the mixture of described formulation ratio adding anatase titanium dioxide and modified Nano aluminium hydroxide pulvis, the speed with 2000-3500r/min stirs 15-20min simultaneously; After adding ammonium polyphosphate, trimeric cyanamide and tetramethylolmethane then respectively and stirring 10-15min, enter the sand mill sand milling, survey particle fineness with Hegman grind gage and reach 90 with the speed of 800-1700r/min
Get final product when m is following, add organic-silicon-modified benzene emulsion at last, add film coalescence aid (ethylene glycol), behind the speed restir 15-20min with 800-1700r/min, leave standstill and be finished product, packing.
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| CN103436068A (en) * | 2013-08-19 | 2013-12-11 | 南通市通州区俊朗建筑工程有限公司 | Intumescent fire retardant coating |
| CN104277607A (en) * | 2014-10-13 | 2015-01-14 | 芜湖县双宝建材有限公司 | Water-based facing type fireproof paint and preparation method thereof |
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