CN103613777A - Fire-proof sealing material and preparation method thereof - Google Patents
Fire-proof sealing material and preparation method thereof Download PDFInfo
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- CN103613777A CN103613777A CN201310554775.9A CN201310554775A CN103613777A CN 103613777 A CN103613777 A CN 103613777A CN 201310554775 A CN201310554775 A CN 201310554775A CN 103613777 A CN103613777 A CN 103613777A
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Abstract
The invention relates to a fire-proof sealing material, comprising at least one expandable graphite coating layer, wherein the expandable graphite coating layer is formed by applying an expandable graphite coating; the expandable graphite coating is prepared from the following raw materials in parts by mass: 0.1-20 parts of expandable graphite, 0.1-20 parts of expandable fire retardant, 0.1-1 part of foaming microspheres and 20 parts of oil-based or water-based emulsion. The preparation method of the fire-proof sealing material is simple, and has the advantages of environmental protection, waterproofness, good porosity compatibility, convenience in construction and long service life.
Description
Technical field
The present invention relates to a kind of fire-proof sealing material and preparation method thereof, belong to fire-retardant material field.
Background technology
In the fireproof blocking engineerings such as electric power, Steel Plant, colliery, subway, cable pipe well, cable trench, power plant, tunnel, telecommunications, postal service, chemical industry, shipbuilding, the fireproof blocking of formed hole when cable, oil pipe, airduct, tracheae, metallic conduit etc. run through thing through building partition or interlayer; To carry out shutoff with refractory brick, mineral wool, ceramic wool etc. in the past, owing to there being the problems such as environmental protection, water suction and constructional difficulties.Now be to adopt the preliminary shutoff of fire prevention bag by the mode that organic putty is filled and led up, to carry out shutoff more mostly.But the size of hole varies, although fire prevention is surrounded by sizes specification, it is difficult meeting bore hole size completely, so need to carry out further shutoff with organic putty.Due to fire prevention bag woven bag in-built be dust particle, permeable water suction, influential to the usage period.Therefore seek a kind of environmental protection, waterproof, particularly important to fire-proof sealing material of the compatible good easy construction of bore hole size, long service life and preparation method thereof.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of environmental protection, waterproof, to fire-proof sealing material of the compatible good easy construction of bore hole size, long service life and preparation method thereof.
The object of the present invention is achieved like this:
A kind of fire-proof sealing material, it comprises at least one deck expansible black lead dope layer, described expansible black lead dope layer is applied and is formed by expansible black lead coating, and described expansible black lead coating is formed by following component proportioning raw materials (mass fraction): 20 parts of 0.1 ~ 20 part of expansible black lead, 0.1 ~ 20 part of expansion type flame retardant, 0.1 ~ 1 part of foam microspheres and oiliness or water-based emulsions.
Preferably it also comprises foaming plate as a kind of, at least one side of described foaming plate, at least one deck expansible black lead dope layer is set.
As a kind of preferred, described expansion type flame retardant is for being APP, and described foam microspheres is sheep bar powder, and described oiliness or water-based emulsion are EVA emulsion.
As a kind of preferred, described foaming plate is EVA foaming plate.
As a kind of preferred, its preparation method is that expansible black lead coating once or is repeatedly coated with by drying demoulding aftershaping in mould.
As a kind of preferably, its preparation method is that at least one side at foaming plate is at least coated with expansible black lead coating one time, then through drying aftershaping.
Compared with prior art, the invention has the beneficial effects as follows:
Fire-proof sealing material of the present invention comprises that at least one deck expansible black lead dope layer forms, or at least one side at foaming plate arranges at least one deck expansible black lead dope layer, while being heated, expansible black lead dope layer has formed foamed char, formed space when the coating expanding has been full of installation fire-proof sealing material, can effectively stop heat and flame transmission, thereby reach back-fire relief object.There is the setting of macromolecule foaming sheet material of the closed pore of high resilience, be beneficial to the elasticity of strengthening fire-proof sealing material, be convenient to install.The preparation technology of this fire-proof sealing material is simple, has advantages of environmental protection, waterproof, to the compatible good easy construction of bore hole size, long service life.
Accompanying drawing explanation
Fig. 1 is that die-cut fire-proof sealing material in blocks is enclosed within the front view that is packed into hole after wearing on thing.
Fig. 2 is that die-cut fire-proof sealing material in blocks is enclosed within the sectional view that is packed into hole after wearing on thing.
Fig. 3 cuts into rectangular fire-proof sealing material to pack the front view of being worn thing and hole into.
Fig. 4 cuts into rectangular fire-proof sealing material to pack the sectional view of being worn thing and hole into.
Fig. 5 cuts into the front view that rectangular fire-proof sealing material packs bar seam into.
Fig. 6 cuts into the sectional view that rectangular fire-proof sealing material packs bar seam into.
Fig. 7 packs the front view that bar stitches into after cutting into rectangular fire-proof sealing material stack.
Fig. 8 packs the sectional view that bar stitches into after cutting into rectangular fire-proof sealing material stack.
Wherein:
Fire-proof sealing material 2, expansible black lead dope layer 2.1, foaming plate 2.2
By penetrator 3.
Embodiment
A kind of fire-proof sealing material the present invention relates to and preparation method thereof, this fire-proof sealing material 2 comprises at least one deck expansible black lead dope layer 2.1, described expansible black lead dope layer 2.1 is applied and is formed by expansible black lead coating, described expansible black lead coating is formed by following component proportioning raw materials (mass fraction): 0.1 ~ 20 part of expansible black lead, 0.1 ~ 20 part of expansion type flame retardant, 20 parts of 0.1 ~ 1 part of foam microspheres and oiliness or water-based emulsions, by the solid feed (expansible black lead in above component raw material, expansion type flame retardant, foam microspheres) mix, then add liquid raw material (oiliness or water-based emulsion) to stir.By the expansible black lead coating of this proportioning mix and blend, apply the compressible resilience of gained coating and certain heat retaining property.
Wherein, expansion type flame retardant is trimeric cyanamide, APP(ammonium polyphosphate flame retardant), the mixture of tetramethylolmethane, be preferably APP, foam microspheres is preferably sheep bar powder, oiliness or water-based emulsion are preferably EVA emulsion.Described expansible black lead runs into 150 ~ 200 ℃ of above temperature just to start to expand, but the graphite after expanding can fly out as flying dust, so will coordinate with expansion type flame retardant APP, when compound later expansible black lead and expansion type flame retardant APP are heated, can produce firmly foamed char of one deck, this foamed char can stop the propagation of flame and heat simultaneously.Described oiliness or water-based emulsion, viscosity height can add water and regulate, there is operability, the cementability having had with object, and have softness and rebound resilience, can solidify at normal temperatures in seasoning, does not absorb water after curing.Described foam microspheres is selected sheep bar powder, is a kind of macromolecule foaming microballoon of hollow, can make coating have more flexibility and heat retaining property after adding.
This fire-proof sealing material 2 can also be used foaming plate 2.2 as base material, at least one side of foaming plate 2.2 at least one deck expansible black lead dope layer 1 is set.Foaming plate 2 is selected EVA(ethene-vinyl acetate copolymer) foaming plate, the density of EVA foaming plate is 100kg/m
3, ultimate compression strength 0.1MPa, thick 3 ~ 10mm is advisable.EVA foaming is for closed pore foams, and has the performances such as heat insulation, buffering, protection against the tide, resist chemical.EVA foaming plate as base material above be coated with needed expansible black lead coating and reach certain thickness expansible black lead dope layer and can obtain the finished product of fire-proof sealing material by natural coagulation.
Coat the expansible black lead coating that 1.5mm is thick the one side of the thick EVA foaming plate of 5mm is disposable, form expansible black lead dope layer, after 24 hours at normal temperatures, be coated with another side, another side is coated with the thick expansible black lead coating of 1.5mm and also forms expansible black lead dope layer, and it is thick that the finished product of the fire-proof sealing material completing amounts to 8mm.Expansible black lead dope layer also can repeatedly be applied to desired thickness, and the surface flatness of the more disposable painting of surface flatness being repeatedly coated with is good.This fire-proof sealing material finished product can bending stretch, compressible, can be die-cut, can cutting.
The EVA foaming plate that 5mm is thick is die-cut into external diameter 120mm, the sheet of internal diameter 100, after being put into mould, this sheet coats expansible black lead coating formation expansible black lead dope layer on four sides at it, obtain external diameter 123mm, internal diameter 97mm, fire-proof sealing material 2 finished products of thick 8nn, this fire-proof sealing material finished product is enclosed within the pipe (penetrator 1 of external diameter 100mm, penetrator 1 can be steel pipe or cable etc.) outside, to the hole of internal diameter 118mm ~ 123mm (penetrator 1 and being formed between penetrator 3, by penetrator, can be pinch off wall or floor etc.) carry out shutoff, as depicted in figs. 1 and 2.
The fire-proof sealing material finished product that embodiment 1 is made is die-cut into that 8mm is thick, external diameter 123mm, the sheet of internal diameter 98, and this sheet is enclosed within outside the pipe (penetrator 1) of external diameter 100mm, can carry out shutoff to the hole of internal diameter 118 ~ 123mm, as depicted in figs. 1 and 2.
Embodiment 4
The fire-proof sealing material finished product that embodiment 1 is made is cut into wide rectangular of 12mm, this rectangular pipe along external diameter 100mm (penetrator 1) is gone up to spiral winding as dish asbestos packing, can carry out shutoff to the hole of internal diameter 118 ~ 123mm, as shown in Figure 3 and Figure 4.
Embodiment 5
The fire-proof sealing material finished product that embodiment 1 is made is cut into wide rectangular of 12mm, and the bar that can be 8 ~ 11mm to width seam carries out shutoff, as shown in Figure 5 and Figure 6.
Embodiment 6
Do not place EVA foaming plate, directly expansible black lead coating is coated in mould, once or be repeatedly applied to desired thickness and obtain fire-proof sealing material finished product by drying the rear demoulding, this fire-proof sealing material finished product can carry out shutoff to hole or bar seam as embodiment 3 ~ 4.
The thick fire-proof sealing material finished product of the 8mm of embodiment 3 is die-cut into the sheet of external diameter 123, internal diameter 98, be enclosed within on the pipe of external diameter 100mm after shutoff on the hole of internal diameter 120mm, cover a slice can be fire-resistant more than one hour, overlapping three can fire-resistantly reach more than 3 hours.
Expansible black lead heat expands and produces 100-200 vermiform carbonaceous fiber doubly, this carbonaceous fiber can hinder the propagation when flame and heat, but use separately meet fire while expanding every monofilament can eject as the flying dust and fly, therefore it need to be retained, APP first becomes thick foam while meeting fire, can form foaming charring layer after reaching certain temperature.Therefore the expansible black lead expandable graphite when burning together with APP after compound with APP is met the fire thick APP that the carbonaceous fibre single thread of generation is inflated foaming that expands and is clung, and then forms together charring layer.In expansible black lead formulation for coating material, added foam microspheres, increased softness, improved the elasticity of fire-proof sealing material, utilized hole is carried out to shutoff.In order further to increase elasticity, can use foaming plate to carry out once as the base material of expansible black lead coating or coating repeatedly, EVA foaming plate is mainly the packing material as Compression and Expansion resilience, is again lagging material simultaneously.After compound with expansible black lead dope layer, obtain being incubated the fire-proof sealing material of compressible resilience.
With fire-proof sealing material of the present invention, there is Compression and Expansion rebound resilience, as long as select just more passablely than being pressed into by the slightly bigger material of sealing of hole hole, bar seam size when plugging construction, utilize the rebound resilience of material that it is fixed in hole or bar seam.For provisional, frequent change as particularly suitable in the shutoff of cable, can Reusability.For the shutoff of short run, just can shutoff after at the scene material being sheared, can be by multilayer material stack shutoff (Fig. 7 and Fig. 8) afterwards for large hole.Use very convenient.
Board making fire partition with this fire-proof sealing material: according to the relevant spacing regulation of cable tunnel and cable trench, at needs, establish partition wall place fire partition should be set, according to the size of tunnel and ditch, then needed of fire-proof sealing material plate cutting is built and made a complete fireproof brickwork (Fig. 7 and Fig. 8).Because sheet material has, resiliency compressible is flexible can be made into closely knit fireproof brickwork, and dismounting is very convenient.
The fireproof blocking of formed hole when being used in cable, oil pipe, airduct, tracheae, metallic conduit etc. and running through thing through building partition or interlayer; The sheet material of fire-proof sealing material can be processed into pad pattern, its external diameter is greater than bore hole size internal diameter and is less than worn thing outside dimension, during use, first the pad of some amount is placed on worn thing, after worn thing is fixing, then pad is pressed into hole.Also sheet material can be cut into strip is directly pressed in hole as pressing asbestos packing.Plate cutting be can be used as to sealed strip into strips and use, for local waterproof and the fire prevention such as building joint, curtain wall gap.
Claims (6)
1. a fire-proof sealing material, it is characterized in that it comprises at least one deck expansible black lead dope layer, described expansible black lead dope layer is applied and is formed by expansible black lead coating, and described expansible black lead coating is formed by following component proportioning raw materials (mass fraction): 20 parts of 0.1 ~ 20 part of expansible black lead, 0.1 ~ 20 part of expansion type flame retardant, 0.1 ~ 1 part of foam microspheres and oiliness or water-based emulsions.
2. a kind of fire-proof sealing material according to claim 1, is characterized in that it also comprises foaming plate, at least one side of described foaming plate at least one deck expansible black lead dope layer is set.
3. a kind of fire-proof sealing material according to claim 1 and 2, is characterized in that described expansion type flame retardant is for being APP, and described foam microspheres is sheep bar powder, and described oiliness or water-based emulsion are EVA emulsion.
4. a kind of fire-proof sealing material according to claim 1 and 2, is characterized in that described foaming plate is EVA foaming plate.
5. a kind of fire-proof sealing material according to claim 1, is characterized in that its preparation method is that expansible black lead coating once or is repeatedly coated with by drying demoulding aftershaping in mould.
6. a kind of fire-proof sealing material according to claim 2, is characterized in that its preparation method is that at least one side at foaming plate is at least coated with expansible black lead coating one time, then through drying aftershaping.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310554775.9A CN103613777B (en) | 2013-11-11 | 2013-11-11 | fire-proof sealing material and preparation method thereof |
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| CN201310554775.9A CN103613777B (en) | 2013-11-11 | 2013-11-11 | fire-proof sealing material and preparation method thereof |
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| CN103613777A true CN103613777A (en) | 2014-03-05 |
| CN103613777B CN103613777B (en) | 2016-10-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116600A (en) * | 2016-06-27 | 2016-11-16 | 郭迎庆 | A kind of can the preparation method of ceramic fire-proof sealing material |
| CN106497026A (en) * | 2016-10-18 | 2017-03-15 | 汪培杰 | A kind of preparation method of fire resistant doorsets packing material |
| CN109517452A (en) * | 2018-10-26 | 2019-03-26 | 公安部四川消防研究所 | A kind of fire-resistant plugging device and preparation method thereof for breathing curtain wall |
| CN112726990A (en) * | 2020-12-24 | 2021-04-30 | 应急管理部四川消防研究所 | Organic-inorganic composite structure fireproof heat-preservation decoration integrated plate and manufacturing and mounting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565673A (en) * | 2003-06-19 | 2005-01-19 | 公安部四川消防研究所 | Back-fire relief bag |
| CN101838493A (en) * | 2010-05-28 | 2010-09-22 | 中华制漆（深圳）有限公司 | Heat-insulating coating for inner wall |
| CN102529207A (en) * | 2011-11-30 | 2012-07-04 | 江苏欣安新材料技术有限公司 | Fireproof coated plate |
| CN102634351A (en) * | 2012-04-01 | 2012-08-15 | 宋斌 | Aqueous halogen-free flexible fireproof plugging material |
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2013
- 2013-11-11 CN CN201310554775.9A patent/CN103613777B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565673A (en) * | 2003-06-19 | 2005-01-19 | 公安部四川消防研究所 | Back-fire relief bag |
| CN101838493A (en) * | 2010-05-28 | 2010-09-22 | 中华制漆（深圳）有限公司 | Heat-insulating coating for inner wall |
| CN102529207A (en) * | 2011-11-30 | 2012-07-04 | 江苏欣安新材料技术有限公司 | Fireproof coated plate |
| CN102634351A (en) * | 2012-04-01 | 2012-08-15 | 宋斌 | Aqueous halogen-free flexible fireproof plugging material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116600A (en) * | 2016-06-27 | 2016-11-16 | 郭迎庆 | A kind of can the preparation method of ceramic fire-proof sealing material |
| CN106116600B (en) * | 2016-06-27 | 2019-04-09 | 广州市日高工贸有限公司 | It is a kind of can ceramic fire-proof sealing material preparation method |
| CN106497026A (en) * | 2016-10-18 | 2017-03-15 | 汪培杰 | A kind of preparation method of fire resistant doorsets packing material |
| CN109517452A (en) * | 2018-10-26 | 2019-03-26 | 公安部四川消防研究所 | A kind of fire-resistant plugging device and preparation method thereof for breathing curtain wall |
| CN112726990A (en) * | 2020-12-24 | 2021-04-30 | 应急管理部四川消防研究所 | Organic-inorganic composite structure fireproof heat-preservation decoration integrated plate and manufacturing and mounting method |
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| Publication number | Publication date |
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| CN103613777B (en) | 2016-10-19 |
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Effective date of registration: 20201208 Address after: Houxi street, Taoyuan Town, Caoxian County, Heze City, Shandong Province Patentee after: Shandong Caoxian Huiyuan Wood Industry Co.,Ltd. Address before: 214426, No. 7, Lei Xia Village, Xinqiao Town, Wuxi City, Jiangsu, Jiangyin Patentee before: Zhao Zuliang |
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Granted publication date: 20161019 Termination date: 20211111 |