CN103467774A - Composition applicable to surface flame retardance of rigid polyurethane foam insulation board - Google Patents
Composition applicable to surface flame retardance of rigid polyurethane foam insulation board Download PDFInfo
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- CN103467774A CN103467774A CN2013104355107A CN201310435510A CN103467774A CN 103467774 A CN103467774 A CN 103467774A CN 2013104355107 A CN2013104355107 A CN 2013104355107A CN 201310435510 A CN201310435510 A CN 201310435510A CN 103467774 A CN103467774 A CN 103467774A
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- retardant
- polyurethane foam
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- warming plate
- hard polyurethane
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Abstract
The invention relates to a composition which is prepared by compounding an intumescent flame retardant and a solid flame retardant with an efficient flame retardant characteristic. The rigid polyurethane foam insulation board is prepared by the following steps: by taking the intumescent flame retardant, the solid flame retardant and a liquid adhesive as raw materials, fully stirring the raw materials at room temperature for 2-60 minutes to obtain a uniform mixture; then, spraying the mixture to the surface of the rigid polyurethane foam insulation board and controlling the thickness of the coating; and finally, maintaining for 0.1-12 hours in an oven at constant temperature to obtain the rigid polyurethane foam insulation board with a flame retardant surface. The flame retardant coating can effectively solve the problem of the flammable surface of the insulation board.
Description
Technical field
The present invention relates to a kind ofly by expansion type flame retardant and the composite composition with highly effective flame-retardant characteristic of solid-state fire retardant, belong to the mode of utilizing the multiple material compounded combination and obtain the technical field with flame retardant properties material.
Background technology
Hard polyurethane foams (RPUF) because thermal conductivity is low, ultimate compression strength is high, light weight, cohesiveness be good, be easy to the series of advantages such as processing, therefore in construction wall energy-saving heat preserving field, have a wide range of applications; The alternative traditional inorganic heat insulation materials of polymer porous plastics such as employing urethane are widely used in building field has become one of important measures of various countries' sustainable development economy, save energy.
The hard polyurethane foam warming plate self is exposed to very easily burning under thermal source or burning things which may cause a fire disaster, and flame propagation velocity is very fast, and its LOI value is only 19.2%, and therefore, this material need to improve energetically its flame retardant properties when building field is further applied.
At present, two kinds of main paties of the inflammable problem of solution hard polyurethane foam warming plate are: one, by using fire retardant to carry out flame-retardant modified to the warming plate core; Two, by using the organic or inorganic fire retardant to do fire-retardant finish to the warming plate surface.
For example, number of patent application 201220017493.6 discloses a kind of six cladded type flame retardant polyurethane thermal insulating composite panels, and its characteristics are that its six faces are coated by fire-retardant cement-based interface felt, have surface flame-retardant performance preferably; Similarly, 201020232569.8 disclose a kind of waterproof thermal-insulated fireproof decorative integral board, and same effects on surface has been done fire-retardant finish.
The present invention mainly solves the inflammable problem in hard polyurethane foam surface by fire-retardant finish is done to flame retardant coating in the warming plate surface.
Summary of the invention
The present invention adopt expansion type flame retardant and solid-state fire retardant composite, after liquid adhesive fully mixes, be coated on hard polyurethane foam warming plate surface and prepare fire protection coating.
Raw materials used: hard polyurethane foam warming plate, expansion type flame retardant (technical grade), solid-state fire retardant (technical grade), liquid adhesive (technical grade).
For technical scheme of the present invention further is described, listed following detailed content:
Described liquid adhesive is a kind of in Xylo-Mucine, nylon 12, formaldehyde polyvinyl acetal, ethene-vinyl acetate copolymer hot melt adhesive, Acrylate Emulsion Adhesive.
Described expansion type flame retardant is one or more in ammonium polyphosphate/tetramethylolmethane/trimeric cyanamide tri compound fire retardant, expansible black lead, vermiculite.
Preferably, described expansion type flame retardant is during containing ammonium polyphosphate/tetramethylolmethane/trimeric cyanamide, ammonium polyphosphate: tetramethylolmethane: trimeric cyanamide=10-80 mass parts: 5-40 mass parts: 5-50 mass parts.
Described solid-state fire retardant is one or more in magnesium hydroxide, aluminium hydroxide, red phosphorus, triphenylphosphate.
Concrete preparation method of the present invention is:
Get liquid adhesive 100 mass parts, add expansion type flame retardant 10-100 mass parts, add solid-state fire retardant 0-100 mass parts.
According to above-mentioned composition configuration proportion, first expansion type flame retardant, solid-state fire retardant and liquid adhesive are at room temperature fully stirred to 2-60 minute, the mixture that obtains mixing, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness 0.1-2 millimeter of coating, finally in baking oven, constant temperature keeps 0.1 hour-12 hours, after having solidified, obtains having the hard polyurethane foam warming plate of retardant surfaces.
Utilize the inventive method, comprehensive expansion type flame retardant rear expansion and the solid-state fire retardant dual iris action that rear decomposition produces that is heated that is heated, the transmission of external heat to the core part can be suppressed to a great extent, therefore, the fire-retardant of hard polyurethane foam warming plate surface can be realized; Use coat-thickness of the present invention in the time of 0.1 millimeter, while adopting spirit lamp to light, the Polyurethane Thermal Insulation Building Materials burning time is postponed 35 minutes; Coat-thickness is in the time of 1.0 millimeters, and while adopting spirit lamp to light, the Polyurethane Thermal Insulation Building Materials burning time is postponed more than 2 hours.
Embodiment
Embodiment 1 takes Acrylate Emulsion Adhesive 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 20 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 15 mass parts, add magnesium hydroxide 20 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.5 millimeter, while adopting spirit lamp to light, the Polyurethane Thermal Insulation Building Materials burning time is postponed more than 1 hour.
Embodiment 2 takes Acrylate Emulsion Adhesive 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 20 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 15 mass parts, add aluminium hydroxide 20 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.3 millimeter, while adopting spirit lamp to light, the Polyurethane Thermal Insulation Building Materials burning time is postponed more than 48 minutes.
Embodiment 3 takes Acrylate Emulsion Adhesive 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 20 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 15 mass parts, add magnesium hydroxide 20 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.5 millimeter, 700 ℃ of lower calcinations 10 seconds, the thickness that surface increases was 0.8 millimeter.
Embodiment 4 weighing polyvinyl alcohol formal glue 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 30 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 20 mass parts, add aluminium hydroxide 25 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.5 millimeter, 500 ℃ of lower calcinations 10 seconds, the thickness that surface increases was 0.6 millimeter.
Embodiment 5 weighing polyvinyl alcohol formal glue 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 30 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 20 mass parts, add aluminium hydroxide 25 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.5 millimeter, 600 ℃ of lower calcinations 10 seconds, the thickness that surface increases was 0.9 millimeter.
Embodiment 6 weighing polyvinyl alcohol formal glue 100 mass parts, add expansion type flame retardant: ammonium polyphosphate 30 mass parts, tetramethylolmethane 10 mass parts, trimeric cyanamide 20 mass parts, add magnesium hydroxide 25 mass parts, at room temperature fully stir 10 minutes, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.5 hour, taking out thickness measuring is 0.5 millimeter, 700 ℃ of lower calcinations 10 seconds, the thickness that surface increases was 1.3 millimeters.
Claims (6)
1. a composition that is applicable to hard polyurethane foam warming plate surface flame-retardant, the composition that it is characterized in that hard polyurethane foam warming plate surface flame-retardant adopts expansion type flame retardant, solid-state fire retardant and liquid adhesive are raw material, first by expansion type flame retardant, solid-state fire retardant and liquid adhesive at room temperature fully stir 2-60 minute, to obtain uniform mixture, again this mixture is sprayed hard polyurethane foam warming plate surface, control the thickness of coating, finally in baking oven, constant temperature keeps 0.1 hour-12 hours, obtain the hard polyurethane foam warming plate with retardant surfaces.
2. the composition that is applicable to hard polyurethane foam warming plate surface flame-retardant according to claim 1, is characterized in that liquid adhesive 100 mass parts in composition, expansion type flame retardant 10-100 mass parts, solid-state fire retardant 0-100 mass parts.
3. the composition that is applicable to hard polyurethane foam warming plate surface flame-retardant according to claim 2, is characterized in that liquid adhesive is a kind of in Xylo-Mucine, nylon 12, formaldehyde polyvinyl acetal, ethene-vinyl acetate copolymer hot melt adhesive, Acrylate Emulsion Adhesive.
4. the composition that is applicable to hard polyurethane foam warming plate surface flame-retardant according to claim 2, is characterized in that expansion type flame retardant is one or more in ammonium polyphosphate/tetramethylolmethane/trimeric cyanamide tri compound fire retardant, expansible black lead, vermiculite.
5. according to the described composition that is applicable to hard polyurethane foam warming plate surface flame-retardant of claim 2 or 4, while it is characterized in that expansion type flame retardant contains ammonium polyphosphate/tetramethylolmethane/trimeric cyanamide, ammonium polyphosphate: tetramethylolmethane: trimeric cyanamide=10-80 mass parts: 5-40 mass parts: 5-50 mass parts.
6. the composition that is applicable to hard polyurethane foam warming plate surface flame-retardant according to claim 2, is characterized in that solid-state fire retardant is one or more in magnesium hydroxide, aluminium hydroxide, red phosphorus, triphenylphosphate.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104277519A (en) * | 2014-10-28 | 2015-01-14 | 成都纳硕科技有限公司 | Ultraviolet curable antifouling flame-retardant coating for plastic circuit board |
CN104788640A (en) * | 2015-04-28 | 2015-07-22 | 南通苏东新型外墙保温板有限公司 | Preparation method of flame-retardant hard foam polyurethane |
CN107043529A (en) * | 2017-03-21 | 2017-08-15 | 王正恒 | A kind of flame-retardant composite insulation and its preparation method and application |
CN110591424A (en) * | 2019-10-29 | 2019-12-20 | 中国民航大学 | Preparation method of aluminum phosphate gum base halogen-free high-expansion flame-retardant heat-insulating fireproof coating |
CN113943443A (en) * | 2020-07-15 | 2022-01-18 | 中关村人居环境工程与材料研究院 | Film-coated flame-retardant thermal-insulation material and preparation method thereof |
CN116041823A (en) * | 2022-12-29 | 2023-05-02 | 金旸(厦门)新材料科技有限公司 | Halogen-free intumescent flame-retardant antistatic thermoplastic elastomer composite foaming material and preparation method thereof |
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CN102392356A (en) * | 2011-07-07 | 2012-03-28 | 公安部四川消防研究所 | Manufacturing technique of wash-resistant and flame-retardant blended fabric |
CN102585756A (en) * | 2011-11-30 | 2012-07-18 | 江苏欣安新材料技术有限公司 | Water-based high-expansion fireproof sealant |
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US20120256143A1 (en) * | 2011-04-11 | 2012-10-11 | Crosslink Technology, Inc. | Fire Resistant Coating |
CN102392356A (en) * | 2011-07-07 | 2012-03-28 | 公安部四川消防研究所 | Manufacturing technique of wash-resistant and flame-retardant blended fabric |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104277519A (en) * | 2014-10-28 | 2015-01-14 | 成都纳硕科技有限公司 | Ultraviolet curable antifouling flame-retardant coating for plastic circuit board |
CN104788640A (en) * | 2015-04-28 | 2015-07-22 | 南通苏东新型外墙保温板有限公司 | Preparation method of flame-retardant hard foam polyurethane |
CN107043529A (en) * | 2017-03-21 | 2017-08-15 | 王正恒 | A kind of flame-retardant composite insulation and its preparation method and application |
CN110591424A (en) * | 2019-10-29 | 2019-12-20 | 中国民航大学 | Preparation method of aluminum phosphate gum base halogen-free high-expansion flame-retardant heat-insulating fireproof coating |
CN110591424B (en) * | 2019-10-29 | 2021-07-06 | 中国民航大学 | Preparation method of aluminum phosphate gum base halogen-free high-expansion flame-retardant heat-insulating fireproof coating |
CN113943443A (en) * | 2020-07-15 | 2022-01-18 | 中关村人居环境工程与材料研究院 | Film-coated flame-retardant thermal-insulation material and preparation method thereof |
CN116041823A (en) * | 2022-12-29 | 2023-05-02 | 金旸(厦门)新材料科技有限公司 | Halogen-free intumescent flame-retardant antistatic thermoplastic elastomer composite foaming material and preparation method thereof |
CN116041823B (en) * | 2022-12-29 | 2023-11-03 | 金旸(厦门)新材料科技有限公司 | Halogen-free intumescent flame-retardant antistatic thermoplastic elastomer composite foaming material and preparation method thereof |
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Application publication date: 20131225 |