CN101058693A - Fireproof paint for super-thin steel structure and preparation method thereof - Google Patents
Fireproof paint for super-thin steel structure and preparation method thereof Download PDFInfo
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- CN101058693A CN101058693A CN 200710017704 CN200710017704A CN101058693A CN 101058693 A CN101058693 A CN 101058693A CN 200710017704 CN200710017704 CN 200710017704 CN 200710017704 A CN200710017704 A CN 200710017704A CN 101058693 A CN101058693 A CN 101058693A
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Abstract
The invention discloses a method preparing for an ultra-thin inflatable steel structure fire-proof paint, which is characterized by the following: the allocation of tetrabromo-bisphenol A epoxide resin contains epichlorohydrin and tetrabromo-bisphenol A with weight rate at 1. 3-1. 5:1 and epichlorohydrin and sodium hydroxide with weight rate at 1. 0-1. 05:1; the allocation of fireproof painting is tetrabromo-bisphenol A epoxide resin and hyperchlorinated polyvinyl chloride with weight rate at 3: 1, polyphosphate, melamine, pentaerythritol with weight rate at 3:2:1, antimony trioxide and paraffin chloride with weight rate at 3:7, aluminium hydroxide and zinc borate smoke suppressor with weight rate at 10: 3. The method comprises the following steps: adding epichlorohydrin and tetrabromo-bisphenol A to the autoclave; mixing and heating at 90 Deg. C; adding caustic soda solution; keeping 7. 5 hours; washing and removing thylbenzene by heating;getting tetrabromo-bisphenol A epoxide resin; adding the mixed solvent to tetrabromo-bisphenol A epoxide resin and perchlorinated polyethylene; mixing and dissolving; adding ammonium polyphosphate, melamine, pentaerythrite, titanium dioxide, antimony oxide, aluminum hydroxide, zinc borate separately, adding chlorcosane; grinding after high-speed dispersing uniformly; mixing polyamide uniformly according to 10:1; getting the fire-proof paint.
Description
Technical field
The present invention relates to coating composition, specifically is a kind of frie retardant coating.
Background technology
In recent years, intensity height, load-bearing ability are strong, little from heavy and light, duty volume because steel construction has, member manufacturing and many advantages such as easy for installation, are applied to more and more widely in buildings and the residential housing.For improving the fire resistance of steel construction, generally adopt frie retardant coating to be coated on steel surface, both had and decorated and provide protection, since the uninflammability and the flame retardancy of coating itself, the expansion that spreads and delay the intensity of a fire of flame in the time of can stoping fire to take place again.Steel structure fire-proof paint is divided into expanded polystyrene veneer and non-expansion type two classes by fire prevention mechanism, can divide thick coated type (8-50mm), scumbling type (3-7mm) and ultrathin (being no more than 3mm) by coat-thickness, it is expanded foamed when wherein extra-thin steel structure fire-proof paint is met fire, form certain thickness fine and close fire prevention charring layer, its charring layer makes flame obtain isolating, reduce the heat that conducts to bottom greatly, thereby reach fire-retardant or delay the purpose that flame is expanded, thereby obtained using widely, account for 90% of frie retardant coating.At present, make a general survey of domestic and international super-thin steel structure fire-proof paint, product ubiquity master filmogen flame retardant effect is not good, the additive flame retardant system has the timeliness decay, and also there are easy to crack, the deficiencies such as corrosion stability is poor, ornamental low, water-fast deficiency, poor, the fire-resistant time limit of weathering resistance is short, fire-resistant timeliness is low of filming in super-thin steel structure fire-proof paint simultaneously.
Summary of the invention
The objective of the invention is to improve sticking power, the film forming properties of frie retardant coating, the hardness and the water resistance against corrosion of carbon-coating, reached long-actingization of fire protection flame retarding.
The present invention is frie retardant coating that is used for ultrathin expansion type steel structure and preparation method thereof, and the prescription of tetrabromo bisphenol-a epoxy resin is:
The mass ratio of epoxy chloropropane and tetrabromo-bisphenol is: 1.3～1.5: 1, and the mass ratio of epoxy chloropropane and sodium hydroxide is: 1.0～1.05: 1, sodium hydroxide is mixed with 30% solution use;
The prescription of frie retardant coating is: tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) are common filmogen, the mass ratio of tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) is 3: 1, and the two accounts for the total weight percent of forming of coating is 15.5%～16.5%; Ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane are fire retardant, and three's mass ratio is 3: 2: 1, and it is 17.5%～18.5% that the three accounts for the total weight percent of forming of coating; Antimonous oxide, chlorinated paraffin are synergistic fire retardant, and the mass ratio of the two is 3: 7, and the two accounts for the total weight percent of forming of coating is 3.0%～3.5%; Aluminium hydroxide, zinc borate, the mass ratio of the two are 10: 3, and the two accounts for the total weight percent of forming of coating is 15.0%～16.5%; Titanium dioxide is a pigment, and accounting for the total weight percent of forming of coating is 5.0%～5.5%; The component of mixed solvent is pimelinketone, butanols, N-BUTYL ACETATE, vinyl acetic monomer, and four mass ratio is 3: 2: 2: it is 44.0%～39.5% that 3, four mixed solvents of forming account for the total weight percent of forming of coating; Polymeric amide is the ambient cure agent, with the mass ratio of coating be 10: 1.
Preparation method of the present invention, prescription by above-described tetrabromo bisphenol-a epoxy resin, epoxy chloropropane and tetrabromo-bisphenol are added reactor, start and stir and be warming up to 90 ℃, divide 2～3 batches to add 30% sodium hydroxide solution respectively, sustained reaction 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin; Take by weighing tetrabromo bisphenol-a epoxy resin, highly-chlorinated polyethylene (HCPE) adding mixed solvent stirring and dissolving, add ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, titanium dioxide, antimonous oxide, aluminium hydroxide, zinc borate more respectively, add clorafin at last again, grind after high speed dispersion is even, obtain coating A component, with the solidifying agent polymeric amide is the B component, A: B=10: 1 ratio uniform mixing obtains being used for the frie retardant coating of ultrathin expansion type steel structure.
Usefulness of the present invention is: this frie retardant coating has stronger sticking power, film forming properties is good, burning expansion is excellent, carbon-coating hardness height, water resistance against corrosion, has reached long-actingization of fire protection flame retarding by the high molecular of ignition-proof element bromine.
Description of drawings
Fig. 1 is preparation technology's schema of frie retardant coating of the present invention.Fig. 2 is the infrared spectrogram of tetrabromo bisphenol-a epoxy resin of the present invention: the infrared spectra of tetrabromo-bisphenol among the figure, with the U.S. (The Sadtler StanardSpectra) Sadtler standard infrared spectrogram conform to fully (the spectrum figure number is 216K), the tetrabromo bisphenol-a epoxy resin infrared spectrogram is B0660152, wherein: 798.0cm-1 is the eigen vibration peak of C-Br, 911.8cm-1 be the characteristic peak of epoxy, 3452.0cm-1 be in the Resins, epoxy-the OH peak, 2967.9cm-1,2931.8cm-1,3064.3cm-1 and 2875.4cm-1 are the C-H vibration peak.
Embodiment
The present invention is frie retardant coating that is used for ultrathin expansion type steel structure and preparation method thereof, and the prescription of its frie retardant coating is:
The prescription of tetrabromo bisphenol-a epoxy resin is:
The mass ratio of epoxy chloropropane and tetrabromo-bisphenol is: 1.3～1.5: 1, and the mass ratio of epoxy chloropropane and sodium hydroxide is: 1.0～1.05: 1, sodium hydroxide is mixed with 30% solution use;
The prescription of frie retardant coating is: tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) are common filmogen, the mass ratio of tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) is 3: 1, and the two accounts for the total weight percent of forming of coating is 15.5%～16.5%; Ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane are fire retardant, and three's mass ratio is 3: 2: 1, and it is 17.5%～18.5% that the three accounts for the total weight percent of forming of coating; Antimonous oxide, chlorinated paraffin are synergistic fire retardant, and the mass ratio of the two is 3: 7, and the two accounts for the total weight percent of forming of coating is 3.0%～3.5%; Aluminium hydroxide, zinc borate, the mass ratio of the two are 10: 3, and the two accounts for the total weight percent of forming of coating is 15.0%～16.5%; Titanium dioxide is a pigment, and accounting for the total weight percent of forming of coating is 5.0%～5.5%; The component of mixed solvent is pimelinketone, butanols, N-BUTYL ACETATE, vinyl acetic monomer, and four mass ratio is 3: 2: 2: it is 44.0%～39.5% that 3, four mixed solvents of forming account for the total weight percent of forming of coating; Polymeric amide is the ambient cure agent, with the mass ratio of coating be 10: 1.
Preparation method of the present invention, prescription by above-described tetrabromo bisphenol-a epoxy resin, epoxy chloropropane and tetrabromo-bisphenol are added reactor, start and stir and be warming up to 90 ℃, divide 2～3 batches to add 30% sodium hydroxide solution respectively, sustained reaction 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin; Take by weighing tetrabromo bisphenol-a epoxy resin, highly-chlorinated polyethylene (HCPE) adding mixed solvent stirring and dissolving, add ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, titanium dioxide, antimonous oxide, aluminium hydroxide, zinc borate more respectively, add clorafin at last again, grind after high speed dispersion is even, obtain coating A component, with the solidifying agent polymeric amide is the B component, A: B=10: 1 ratio uniform mixing obtains being used for the frie retardant coating of ultrathin expansion type steel structure.
Specific embodiments of the invention are as follows:
Embodiment 1:
65g epoxy chloropropane and 50g tetrabromo-bisphenol are added in the reactor, start stirring and be warming up to 90 ℃, divide 2～3 batches of sodium hydroxide solution reactions that add 95g 30% respectively to continue 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin.
Take by weighing above-mentioned tetrabromo-bisphenol epoxy 20g, highly-chlorinated polyethylene (HCPE) 60g puts into container, in container, add mixed solvent 200g and be stirred to resin dissolves.Add 45g ammonium polyphosphate, 30g trimeric cyanamide, 15g tetramethylolmethane, 25g titanium dioxide 2,5g antimonous oxide more respectively, 60g aluminium hydroxide adds the 10g clorafin at last again.Grind after high speed dispersion is even, fineness is controlled at below the 80 μ m, as coating A component, is the B component with the solidifying agent polymeric amide, and A component and B component are composite even by 10: 1, obtain frie retardant coating of the present invention.
Embodiment 2:
70g epoxy chloropropane and 50g tetrabromo-bisphenol are added in the reactor, start stirring and be warming up to 90 ℃, divide 2～3 batches of sodium hydroxide solution reactions that add 100g 30% respectively to continue 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin.
Take by weighing above-mentioned tetrabromo-bisphenol epoxy 12g, highly-chlorinated polyethylene (HCPE) 36g and add in the container, in container, add mixed solvent 120g and be stirred to resin dissolves.Add 28g ammonium polyphosphate, 18g trimeric cyanamide, 10g tetramethylolmethane, 15g titanium dioxide, 3g antimonous oxide more respectively, 36g aluminium hydroxide, the 12g zinc borate adds the 6g clorafin at last again.Grind after high speed dispersion is even, fineness is controlled at below the 80 μ m, as coating A component, is the B component with the solidifying agent polymeric amide, and A component and B component are composite even by 10: 1, obtain frie retardant coating of the present invention.
Embodiment 3:
75g epoxy chloropropane and 50g tetrabromo-bisphenol are added in the reactor, start stirring and be warming up to 90 ℃, divide 2～3 batches of sodium hydroxide solution reactions that add 108g 30% respectively to continue 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin.
Take by weighing above-mentioned tetrabromo-bisphenol epoxy 16g, highly-chlorinated polyethylene (HCPE) 48g and add in the container, in container, add mixed solvent 160g and be stirred to resin dissolves.Add 36g ammonium polyphosphate, 24g trimeric cyanamide, 12g tetramethylolmethane, 20g titanium dioxide, 4g antimonous oxide more respectively, 48g aluminium hydroxide, the 16g zinc borate adds the 8g clorafin at last again.Grind after high speed dispersion is even, fineness is controlled at below the 80 μ m, as coating A component, is the B component with the solidifying agent polymeric amide, and A component and B component are composite even by 10: 1, obtain frie retardant coating of the present invention.
Claims (2)
1, be used for superthin expansion steel structure fireproof coating, it is characterized in that the prescription of tetrabromo bisphenol-a epoxy resin is:
The mass ratio of epoxy chloropropane and tetrabromo-bisphenol is: 1.3～1.5: 1, and the mass ratio of epoxy chloropropane and sodium hydroxide is: 1.0～1.05: 1, sodium hydroxide is mixed with 30% solution use;
The prescription of frie retardant coating is: tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) are common filmogen, the mass ratio of tetrabromo bisphenol-a epoxy resin and highly-chlorinated polyethylene (HCPE) is 3: 1, and the two accounts for the total weight percent of forming of coating is 15.5%～16.5%; Ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane are fire retardant, and three's mass ratio is 3: 2: 1, and it is 17.5%～18.5% that the three accounts for the total weight percent of forming of coating; Antimonous oxide, chlorinated paraffin are synergistic fire retardant, and the mass ratio of the two is 3: 7, and the two accounts for the total weight percent of forming of coating is 3.0%～3.5%; Aluminium hydroxide, zinc borate smoke suppressor, the mass ratio of the two are 10: 3, and the two accounts for the total weight percent of forming of coating is 15.0%～16.5%; Titanium dioxide is a pigment, and accounting for the total weight percent of forming of coating is 5.0%～5.5%; The component of mixed solvent is pimelinketone, butanols, N-BUTYL ACETATE, vinyl acetic monomer, and four mass ratio is 3: 2: 2: it is 44.0%～39.5% that 3, four mixed solvents of forming account for the total weight percent of forming of coating; Polymeric amide is the ambient cure agent, with the mass ratio of coating be 10: 1.
2, the preparation method who is used for the frie retardant coating of ultrathin expansion type steel structure, it is characterized by: according to the prescription of the described tetrabromo bisphenol-a epoxy resin of claim 1, epoxy chloropropane and tetrabromo-bisphenol are added reactor, start stirring and be warming up to 90 ℃, 2～3 batches of branches add 30% sodium hydroxide solution respectively, sustained reaction 7.5 hours, add entry then and dimethylbenzene washs, remove the sodium-chlor of generation, emit the water of lower floor, heating steams dimethylbenzene, obtains tetrabromo bisphenol-a epoxy resin; Take by weighing tetrabromo bisphenol-a epoxy resin, highly-chlorinated polyethylene (HCPE) adding mixed solvent stirring and dissolving, add ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, titanium dioxide, antimonous oxide, aluminium hydroxide, zinc borate more respectively, add clorafin at last again, grind after high speed dispersion is even, obtain coating A component, with the solidifying agent polymeric amide is the B component, A: B=10: 1 ratio uniform mixing obtains being used for the frie retardant coating of ultrathin expansion type steel structure.
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| CN 200710017704 CN101058693A (en) | 2007-04-13 | 2007-04-13 | Fireproof paint for super-thin steel structure and preparation method thereof |
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| CN 200710017704 CN101058693A (en) | 2007-04-13 | 2007-04-13 | Fireproof paint for super-thin steel structure and preparation method thereof |
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| CN101255309B (en) * | 2007-12-27 | 2010-06-09 | 兰州理工大学 | Bromine-carbon pnenolic aldehyde epoxy powder fire-proof paint and preparation method thereof |
| CN101205441B (en) * | 2007-12-06 | 2010-12-01 | 同济大学 | Steelwork fire-retardant paint using self-crosslinking silicone-acrylic compound emulsion as substrate and preparation thereof |
| CN102070972A (en) * | 2010-11-19 | 2011-05-25 | 吴江龙泾红贝家装有限公司 | Heat-insulating fireproof paint of plastic pipe |
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