CN105086764A - Expansion type fireproof powder coating for steel structure - Google Patents

Expansion type fireproof powder coating for steel structure Download PDF

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Publication number
CN105086764A
CN105086764A CN201510564014.0A CN201510564014A CN105086764A CN 105086764 A CN105086764 A CN 105086764A CN 201510564014 A CN201510564014 A CN 201510564014A CN 105086764 A CN105086764 A CN 105086764A
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China
Prior art keywords
fire
powdery paint
buckling type
proof powdery
agent
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Pending
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CN201510564014.0A
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Chinese (zh)
Inventor
徐德生
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Wuxi Jiabang Electric Power Pipeline Factory
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Wuxi Jiabang Electric Power Pipeline Factory
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Priority to CN201510564014.0A priority Critical patent/CN105086764A/en
Publication of CN105086764A publication Critical patent/CN105086764A/en
Pending legal-status Critical Current

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Abstract

The invention provides an expansion type fireproof powder coating for a steel structure and belongs to the technical field of building coatings. The expansion type fireproof powder coating is prepared from raw materials including epoxy resin, polyester resin, modified expansible graphite, whiskers, a curing agent, a catalyst, a carbon forming agent, a foaming agent, an expansion auxiliary, a reinforcing agent, a flexibilizer, a leveling agent, a degassing agent and a flowable agent with a conventional powder coating production method. The expansion type fireproof powder coating has the advantages of ultrathin property and excellent fire retardance and heat-insulating property.

Description

Buckling type steelwork fire-proof powdery paint
Technical field
The present invention relates to a kind of buckling type steelwork fire-proof powdery paint, belong to building coating technical field.
Background technology
Along with technical progress and social development, people more and more pay attention to environmental protection, the powder coating with " economy, environmental protection, efficient, energy-conservation " is rapidly developed, and various functional powder coating is come out one after another, and the research of buckling type steelwork fire-proof powdery paint is in the ascendant.The expanding fire-proof paint that disclosed in 20 days November in 2002, Chinese patent 02112798.0 relates to, can only be used for the field such as household electrical appliances, cabinet, belong to finishing fire retardant paint scope, good flame retardation effect, but effect of heat insulation is undesirable, can not be used for steel structure fireproofing.Chinese patent 200710020217.9 disclosed in 22 days Augusts in 2007 has fire prevention and anticorrosion dual-use function, but must be coated with and install to the fire resistance period that 2mm ± 0.2mm just can reach more than 1h; CN101177583 discloses a kind of buckling type steelwork fire-proof powdery paint, belongs to building coating technical field.It is that raw material is made by powder coating conventional production process by epoxy resin, vibrin, solidifying agent, catalyzer, carbon forming agent, whipping agent, bulking promoter, strengthening agent, toughner, flow agent, air release agent, flowing agent, color stuffing, but the fire resistance of this frie retardant coating also needs further raising.
Summary of the invention
The object of the present invention is to provide a kind of buckling type steelwork fire-proof powdery paint, have that coating is ultra-thin, the advantage of back-fire relief heat-proof quality excellence.
For reaching this object, the present invention by the following technical solutions:
The invention provides a kind of buckling type steelwork fire-proof powdery paint, described fire-proof powdery paint is prepared from by following raw material by weight:
As preferred technical scheme, the invention provides a kind of buckling type steelwork fire-proof powdery paint, described fire-proof powdery paint is prepared from by the raw material of following portions by weight:
Containing the epoxy resin of 35 ~ 40 parts in buckling type steelwork fire-proof powdery paint provided by the invention, described epoxy resin can be 36,36.5,37,37.5,38,38.5,39 or 39.5 parts etc.; Containing the vibrin of 15 ~ 20 parts, described vibrin can be 16,16.5,17,17.5,18 or 18.5 parts etc.; Containing 5 ~ 10 parts of modification expansible black leads, described modification expansible black lead can be 5.5,6,6.5,7,7.5,8,8.5,9 or 9.5 parts; Containing 2 ~ 7 parts of whiskers, described whisker can be 2.5,3,3.5,4,4.5,5,5.5,6 or 6.5 parts etc.; Containing 1 ~ 5 part of solidifying agent, described solidifying agent can be 1.5,2,2.5,3,3.5,4 or 4.5 parts etc.; Containing 25 ~ 30 parts of ammonium polyphosphates, described ammonium polyphosphate can be 25.5,26,26.5,27,27.5,28,28.5,29 or 29.5 etc.; Containing 1 ~ 3 part of flow agent, 0.5 ~ 1 part of air release agent, 15 ~ 20 parts of trimeric cyanamides, 10 ~ 15 parts of tetramethylolmethanes, 2 ~ 5 parts of bulking promoters, 5 ~ 10 portions of strengthening agents and 0.1 ~ 0.5 part of raising agent.
Described modification expansible black lead is the expansible black lead of poly glycol monomethyl ether modification.The preparation method of the expansible black lead of described poly glycol monomethyl ether modification is: add 50g poly glycol monomethyl ether, 500ml dehydrated alcohol, 500ml deionized water in a kettle., be heated to 80 DEG C while stirring, after poly glycol monomethyl ether dissolves, add 200g expansible black lead, dispersed with stirring 3h, filter, dry 12h at 60 DEG C, obtains poly glycol monomethyl ether modification expansible black lead.
Described whisker is Hydrous Magnesium Oxysulfate Whisker g: magnesium borate crystal whisker g is 3: 1 ~ 4: 1.
Formula epoxy resin is the epoxy resin of oxirane value 0.09 ~ 0.14mol/100g, as 0.1mol/100g, 0.2mol/100g, 0.3mol/100g, 0.4mol/100g, 0.5mol/100g, 0.6mol/100g, 0.7mol/100g, 0.8mol/100g, 0.9mol/100g, 1.0mol/100g, 1.1mol/100g, 1.2mol/100g or 1.3mol/100g etc.Vibrin is the powder coating polyester resin special of acid number 68 ~ 82mgKOH/g, if acid esters is the powder coating polyester resin special of 69,70,71,72,73,74,75,76,77,78,79,80 or 81 etc.They are all filmogens, ensure that coating has good bonding strength, mechanical property.
Solidifying agent is phenols epoxy hardener, and its consumption is determined according to the consumption of epoxy resin and vibrin.
Flow agent and air release agent are the auxiliary agents improving powder coating surface decoration performance, tetramethylolmethane is char-forming agent, and trimeric cyanamide is whipping agent, and ammonium polyphosphate is catalyzer, thermostability is selected to be greater than the high molecular ammonium polyphosphate (n > 1000, II type) of 270 DEG C.
Help the tetrazole material that the fusing point Sum decomposition temperature such as swelling agent is 5-phenyl tetrazole, 5-aminotetrazole, 1-chloro-5-phenyl tetrazole, 1-bromo-5-phenyl tetrazole are greater than 200 DEG C, these materials meet fire initial stage decomposes in coating, and release rare gas element N 2, strengthen the fire-retardant and expansion effect of heat insulation of coating.
Staple glass fibre selected by strengthening agent, to increase the physical strength of expansion coating.
Flow promotor Al 2o 3-C or gas phase SiO 2for improving mobility, the powder utilization of powder coating.When coating is by after thermal softening, ammonium polyphosphate decomposes generates phosphoric acid, and then, dehydration generates polyphosphoric acid or poly-metaphosphoric acid further, simultaneously tetrazole thermal endothermic decomposition, releases rare gas element, coating is tentatively expanded.
Polyphosphoric acid or poly-meta-acid and polyol tetramethylolmethane react and form charring layer; Non-flammable gases is released in the thermolysis of whipping agent melamine, makes the further bubble expansion of charring layer, forms the cellular thermofin of porous dense uniform.
The present invention compared with prior art, tool has the following advantages and effect: the expansible black lead of modification and whisker are as a kind of blowing promotor, greatly can improve the expansion multiplying power of aqueous fire-proof coating, expansible black lead expands and is interspersed in foamed cellar char in vermiform simultaneously, form foamy structure intensive uniformly, improve the fire performance of coating; Add the intensity that whisker can improve layer of charcoal, improve graphite flakes and come off, temperature is higher than aluminium hydroxide, and can press down cigarette, anti-drippage, and then improves fire resistance.Therefore, use expansible black lead and whisker system, by the synergistic effect of the two, both can improve expansion multiplying power, and layer of charcoal intensity can be improved again, thus improve fire endurance further.And this coating adopts tetrazole material as helping swelling agent, and rate of expansion is higher, and expanding layer is even compact comparatively, heat insulation back-fire relief excellent effect, when coat-thickness is lower, can reach the fire performance of more than 1h.
Embodiment
The solution of the present invention and effect is illustrated further below in conjunction with embodiment.
The raw material dosage of each embodiment of buckling type steelwork fire-proof powdery paint of the present invention is by weight as table 1, and the salient features of its corresponding frie retardant coating is as table 2.
Main raw material title in embodiment and manufacturer as follows:
Epoxy resin: E-12, the South Sea, Zhejiang Province Yao Hua group;
Vibrin: P5127, DSM coating resin company;
Ammonium polyphosphate APP (II), n > 1000: Shandong Shi An Chemical Co., Ltd.;
5-phenyl tetrazole, 5-aminotetrazole---Changzhou Sheng Hua Chemical Co., Ltd.;
JECP-03B---Changshu Jia Fa Chemical Co., Ltd..
Modification expansible black lead is self-control.
Other is commercial goods.
The manufacture method of each embodiment is identical, and its method is as follows:
First formula ratio is pressed by the vibrin of ammonium polyphosphate, tetramethylolmethane, trimeric cyanamide, 5-phenyl tetrazole and formula ratio, epoxy resin, modification expansible black lead, whisker, flow agent blending dispersion, be added in screw extrusion press extrude, compressing tablet, after fragmentation, broken thing is melt extruded again, compressing tablet, fragmentation, so repeat to melt extrude, compressing tablet, broken operation 2 times and make pre-dispersed mixture, warm 85-95 DEG C before forcing machine, rear temperature 110-120 DEG C, mixing of materials accumulated time 60-200s.Then component each with other mixes, then deliver to that forcing machine is extruded, compressing tablet, fragmentation; Finally, with ACM grinding machine abrasive dust, this ultra-thin expansion type steel structure fire-proof powder coating can be obtained after sieve, packaging.
Table 1 ultra-thin expansion fireproof coating Example formulations of the present invention
The salient features of table 2 frie retardant coating of the present invention
As shown in Table 2, buckling type steelwork fire-proof powdery paint provided by the invention has excellent fire resistance, and coating is ultra-thin.Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a buckling type steelwork fire-proof powdery paint, is characterized in that: described fire-proof powdery paint is prepared by powder coating conventional production process by the raw material of following portions by weight:
2. the buckling type steelwork fire-proof powdery paint according to claims 1, is characterized in that: described fire-proof powdery paint is prepared from by the raw material of following portions by weight:
3. the buckling type steelwork fire-proof powdery paint according to claims 1 or 2, is characterized in that: described modification expansible black lead is the expansible black lead of poly glycol monomethyl ether modification.
4. according to the buckling type steelwork fire-proof powdery paint one of claims 1-3 Suo Shu, it is characterized in that: described whisker is Hydrous Magnesium Oxysulfate Whisker g: magnesium borate crystal whisker g is 3: 1 ~ 4: 1.
5. according to the buckling type steelwork fire-proof powdery paint one of claims 1-4 Suo Shu, it is characterized in that: described epoxy resin is the epoxy resin of oxirane value 0.09 ~ 0.14mol/100g.
6. according to the buckling type steelwork fire-proof powdery paint one of claims 1-5 Suo Shu, it is characterized in that: described vibrin is the powder coating polyester resin special of acid number 68 ~ 82mgKOH/g.
7. according to the buckling type steelwork fire-proof powdery paint one of claims 1-6 Suo Shu, it is characterized in that: described solidifying agent is phenols epoxy hardener.
8. according to the buckling type steelwork fire-proof powdery paint one of claims 1-7 Suo Shu, it is characterized in that: described ammonium polyphosphate is the high molecular ammonium polyphosphate that thermostability is greater than 270 DEG C.
9., according to the buckling type steelwork fire-proof powdery paint one of claims 1-8 Suo Shu, it is characterized in that: described in help swelling agent to be the tetrazole material that fusing point Sum decomposition temperature is greater than 200 DEG C;
Preferably, swelling agent is helped to be the mixture of any one or at least two kinds in 5-phenyl tetrazole, 5-aminotetrazole, 1-chloro-5-phenyl tetrazole or 1-bromo-5-phenyl tetrazole described in.
CN201510564014.0A 2015-09-07 2015-09-07 Expansion type fireproof powder coating for steel structure Pending CN105086764A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442745A (en) * 2015-12-22 2016-03-30 苏州市强森木业有限公司 Steel-structure heat-insulation fireproof plate
CN107163691A (en) * 2017-05-22 2017-09-15 江苏国中防火材料有限公司 A kind of Novel fire retardant coating
CN107163777A (en) * 2017-05-22 2017-09-15 江苏国中防火材料有限公司 A kind of fireproof coating
CN107163798A (en) * 2017-06-30 2017-09-15 朱燕萍 A kind of fireproof coating
CN107177278A (en) * 2017-05-22 2017-09-19 江苏国中防火材料有限公司 A kind of fireproof coating for construction wall
CN108203525A (en) * 2018-01-02 2018-06-26 佛山市南海崇泰防火材料有限公司 A kind of inflatable fire resistant flexible material and its application
CN111574874A (en) * 2020-06-10 2020-08-25 长沙三思新材料科技有限公司 Preparation method of intumescent fire-retardant powder coating

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122560A (en) * 1982-12-28 1984-07-16 Dainippon Ink & Chem Inc Treatment of woody material
CN101020801A (en) * 2007-03-06 2007-08-22 徐州正菱涂装有限公司 Fireproof anticorrosive powder coating for thin steel structure and its prepn
CN101177583A (en) * 2007-11-09 2008-05-14 徐州正菱涂装有限公司 Buckling type steelwork fire-proof powdery paint
CN101497762A (en) * 2009-02-27 2009-08-05 徐州正菱涂装工程技术研究中心 Expansion type steel structure fireproofing powder paint and preparation thereof
JP2013023658A (en) * 2011-07-25 2013-02-04 Rin Kagaku Kogyo Kk Red phosphorus-based flame retardant, method for producing the same, flame-retardant resin composition, and film and electric wire coating material
CN103045047A (en) * 2012-12-21 2013-04-17 厦门大学 Water-based ultrathin expansion type formed steel construction fire retardant coating based on expansible graphite and crystal whisker system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122560A (en) * 1982-12-28 1984-07-16 Dainippon Ink & Chem Inc Treatment of woody material
CN101020801A (en) * 2007-03-06 2007-08-22 徐州正菱涂装有限公司 Fireproof anticorrosive powder coating for thin steel structure and its prepn
CN101177583A (en) * 2007-11-09 2008-05-14 徐州正菱涂装有限公司 Buckling type steelwork fire-proof powdery paint
CN101497762A (en) * 2009-02-27 2009-08-05 徐州正菱涂装工程技术研究中心 Expansion type steel structure fireproofing powder paint and preparation thereof
JP2013023658A (en) * 2011-07-25 2013-02-04 Rin Kagaku Kogyo Kk Red phosphorus-based flame retardant, method for producing the same, flame-retardant resin composition, and film and electric wire coating material
CN103045047A (en) * 2012-12-21 2013-04-17 厦门大学 Water-based ultrathin expansion type formed steel construction fire retardant coating based on expansible graphite and crystal whisker system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442745A (en) * 2015-12-22 2016-03-30 苏州市强森木业有限公司 Steel-structure heat-insulation fireproof plate
CN107163691A (en) * 2017-05-22 2017-09-15 江苏国中防火材料有限公司 A kind of Novel fire retardant coating
CN107163777A (en) * 2017-05-22 2017-09-15 江苏国中防火材料有限公司 A kind of fireproof coating
CN107177278A (en) * 2017-05-22 2017-09-19 江苏国中防火材料有限公司 A kind of fireproof coating for construction wall
CN107163798A (en) * 2017-06-30 2017-09-15 朱燕萍 A kind of fireproof coating
CN108203525A (en) * 2018-01-02 2018-06-26 佛山市南海崇泰防火材料有限公司 A kind of inflatable fire resistant flexible material and its application
CN108203525B (en) * 2018-01-02 2020-10-02 佛山市南海崇泰防火材料有限公司 Expandable flexible fireproof material and application thereof
CN111574874A (en) * 2020-06-10 2020-08-25 长沙三思新材料科技有限公司 Preparation method of intumescent fire-retardant powder coating

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