CN204434536U - Fire prevention band - Google Patents
Fire prevention band Download PDFInfo
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- CN204434536U CN204434536U CN201420766382.4U CN201420766382U CN204434536U CN 204434536 U CN204434536 U CN 204434536U CN 201420766382 U CN201420766382 U CN 201420766382U CN 204434536 U CN204434536 U CN 204434536U
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- Prior art keywords
- fire prevention
- layer
- prevention band
- tack coat
- supporting layer
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Abstract
The utility model provides a kind of fire prevention band, and belong to fireproof material technology field, it is too low that it can solve existing fire prevention band intensity, awkward problem.Fire prevention band of the present utility model comprises: expansible fireproof layer, and it is made up of expansion fireproof material; At least be located at the supporting layer of described expansible fireproof layer side; Be located at the first tack coat between described expansible fireproof layer and supporting layer, described supporting layer is bonded on described expansible fireproof layer by described first tack coat.Fire prevention band of the present utility model is used for the flameproof protection in the position through body of wall or floor such as plastic conduit, plastic cable.
Description
Technical field
The utility model belongs to fireproof material technology field, is specifically related to a kind of fire prevention band.
Background technology
Need between floors to use a large amount of pipeline such as plastic conduit, plastic cable, these pipelines often need to arrange through the body of wall of buildings or floor.When a fire, can stay next hole after plastic lined piping is burnt on body of wall or floor, this hole can become the passage that toxic gas, flame etc. are propagated, and accelerates fire spread.
For overcoming the above problems, the position passing body of wall or floor at pipeline in prior art, is needed to be wound around fire prevention band.Fire prevention band is made up of expansion fireproof material, and after being heated, volume can undergoes rapid expansion for it, thus is blocked by the hole stayed after burning by pipeline, avoids toxic gas, flame etc. to be propagated by this hole.
The expansion fireproof material that existing fire prevention band uses mainly comprises expanded graphite fire-retardant material, expanded vermiculite fire-retardant material etc., the material that they are made up of expanded graphite, expanded vermiculite etc. and tackiness agent, and its material is loose, intensity is very low.Therefore, fire prevention band is being cut into desired shape and is being wound in the process on pipeline, and fire prevention band is easy to fracture damage, uses inconvenience.
Utility model content
The utility model is too low for existing fire prevention band intensity, and awkward problem provides a kind of fire prevention band of high strength.
The technical scheme that solution the utility model technical problem adopts is a kind of fire prevention band, and it comprises:
Expansible fireproof layer, it is made up of expansion fireproof material;
At least be located at the supporting layer of described expansible fireproof layer side;
Be located at the first tack coat between described expansible fireproof layer and supporting layer, described supporting layer is bonded on described expansible fireproof layer by described first tack coat.
In fire prevention band of the present utility model, expansible fireproof layer is provided with the supporting layer with higher-strength, thus improves the intensity of fire prevention band on the whole, make it easy to processing, use.
Fire prevention band of the present utility model is used for the flameproof protection in the position through body of wall or floor such as plastic conduit, plastic cable.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of band of preventing fires of embodiment of the present utility model;
Fig. 2 is the cross-sectional view of the another kind fire prevention band of embodiment of the present utility model;
Wherein, Reference numeral is: 1, expansible fireproof layer; 2, supporting layer; 3, frie retardant coating layer; 4, release layer; 91, the first tack coat; 92, the second tack coat; 93, the 3rd tack coat.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of fire prevention band.
Concrete, this fire prevention band comprises expansible fireproof layer 1.
Expansible fireproof layer 1 is the main part of fire prevention band, it is made up of expansion fireproof material, when being heated to sufficient temp, very large expansion (as being expanded to 20 ~ 25 times of original volume) can be there is in the volume of expansion fireproof material, thus pipeline is blocked by the hole stayed after burning, avoid toxic gas, flame etc. to be propagated by this hole.
Wherein, the expansion fireproof material of expansible fireproof layer 1 is preferably expanded graphite fire-retardant material or expanded vermiculite fire-retardant material.This bi-material is all known expansion fireproof materials, and they are formed primarily of expanded graphite (or expanded vermiculite) and tackiness agent.
For providing enough expansion characters, the thickness of this expansible fireproof layer 1 is usually between 1 millimeter to 10 millimeters.
At least be provided with supporting layer 2 in the side of expansible fireproof layer 1, be provided with the first tack coat 91 between expansible fireproof layer 1 and supporting layer 2, supporting layer 2 is bonded on expansible fireproof layer 1 by the first tack coat 91.
That is, by the first tack coat 91, supporting layer 2 is bonded on expansible fireproof layer 1.This supporting layer 2 is made up of the material that the intensity of strength ratio expansible fireproof layer 1 is high, can play the effect supporting expansible fireproof layer 1, thus improves the intensity of fire prevention band, makes it easy to processing, uses.
Wherein, supporting layer 2 only can be positioned at the side of expansible fireproof layer 1, but obviously, for playing the effect better improving intensity, therefore as shown in Figure 1 and Figure 2, preferably can all arrange supporting layer 2 in expansible fireproof layer 1 both sides.
Wherein, for avoiding supporting layer 2 itself to be first burned before pipeline is burned, therefore it preferably adopts the high temperature material with higher-strength to make.Preferably, this high temperature material is polyimide or glass fibre.
Wherein, the thickness of supporting layer 2 is preferably between 0.02 millimeter to 0.5 millimeter.Supporting layer 2 in this thickness range both can provide enough support strengths, can not have an impact again to the expansion character of expansible fireproof layer 1.
First tack coat 91 plays effect expansible fireproof layer 1 and supporting layer 2 linked together.For preventing the first tack coat 91 to be burned, therefore it preferably also adopts resistant to elevated temperatures binding agent to form.Preferably, this first tack coat 91 can be made up of silicone pressure sensitive binding agent, because silicone pressure sensitive binding agent is easy to use, has again good resistance to elevated temperatures simultaneously.
Wherein, for ensureing bond effect, the thickness of this first tack coat 91 usually can between 0.02 millimeter to 0.1 millimeter.
Preferably, as shown in Figure 1, band of preventing fires also comprises: be located at the frie retardant coating layer 3 of supporting layer 2 away from the side of expansible fireproof layer 1.
That is, can a frie retardant coating layer 3 be set outside supporting layer 2 again, to improve the overall fire resistance of fire prevention band further.
Wherein, the thickness of frie retardant coating layer 3 between 0.02 millimeter to 2 millimeters, and can be made up of the arbitrary frie retardant coating such as water-based, oiliness.But preferred, frie retardant coating layer 3 is made up of swelling property frie retardant coating.Swelling property frie retardant coating refers to the frie retardant coating that can expand when being heated, and this frie retardant coating layer 3 be made up of swelling property frie retardant coating itself is also inflatable, thus improves the expansion multiple of fire prevention band entirety.Certainly, the non-expansibility frie retardant coating according to other forms frie retardant coating layer 3, is also feasible.
Wherein, this frie retardant coating layer 3 can be formed directly on supporting layer 2.But preferred, as shown in Figure 1, also can be provided with the second tack coat 92 between supporting layer 2 and frie retardant coating layer 3, frie retardant coating layer 3 is bonded on supporting layer 2 by the second tack coat 92, to improve the bonding strength between frie retardant coating layer 3 and supporting layer 2.
Wherein, this second tack coat 92 is preferably made up of silicone pressure sensitive binding agent, and its thickness usually can between 0.02 millimeter to 0.1 millimeter.
Preferably, as shown in Figure 2, as another kind of mode of the present utility model, also can be provided with the 3rd tack coat the 93, three tack coat 93 at supporting layer 2 away from the side of expansible fireproof layer 1 and be provided with release layer 4 away from the side of supporting layer 2.
That is, outside supporting layer 2, also frie retardant coating layer 3 can not be set, but arrange outside the 3rd tack coat the 93, three tack coat 93 release layer 4 is set.Wherein, release layer 4 is made up of known release film or separate-type paper; bonding strength between itself and the 3rd tack coat 93 is very low; thus it can to play the effect of protection the 3rd tack coat 93 at ordinary times; and when fire prevention band will be used; as long as taken off from the 3rd tack coat 93 by release layer 4, namely by the 3rd tack coat 93, fire prevention band is bonded in desired location.
Wherein, the 3rd tack coat 93 is preferably made up of silicone pressure sensitive binding agent, and its thickness usually can between 0.02 millimeter to 0.1 millimeter; And release layer 4 can adopt existing release film or separate-type paper, usual thickness is between 0.02 millimeter to 0.2 millimeter.
Certainly, as shown in Figure 2, when being equipped with supporting layer 2 in expansible fireproof layer 1 both sides, as long as above-mentioned 3rd tack coat 93 and release layer 4 are positioned on the supporting layer 2 of wherein side usually, the supporting layer of opposite side still can arrange above-mentioned frie retardant coating layer 3.
The concrete fire prevention band of some the present embodiment and corresponding experimental data are provided below.
Following fire prevention band all adopts the fire prevention band structure in Fig. 1, namely in every side of expansible fireproof layer 1, is provided with the first tack coat 91, supporting layer 2, second tack coat 92, frie retardant coating layer 3 all respectively successively.Wherein, the material that in each fire prevention band, each layer uses and thickness are respectively:
No. 1 fire prevention band: expansible fireproof floor 1 adopts expanded graphite fire-retardant material, thickness 3 millimeters; Supporting layer 2 adopts polyimide material, thickness 0.025 millimeter; Frie retardant coating layer 3 adopts white FD2000 frie retardant coating, thickness 0.05 millimeter; Each tack coat all adopts organic pressure-sensitive gel, and thickness is 0.05 millimeter.
No. 2 fire prevention bands: expansible fireproof floor 1 adopts expanded graphite fire-retardant material, thickness 3 millimeters; Supporting layer 2 adopts polyimide material, thickness 0.025 millimeter; Frie retardant coating layer 3 adopts black FD2000 frie retardant coating, thickness 0.05 millimeter; Each tack coat all adopts organic pressure-sensitive gel, and thickness is 0.05 millimeter.
No. 3 fire prevention bands: expansible fireproof floor 1 adopts expanded graphite fire-retardant material, thickness 3 millimeters; Supporting layer 2 adopts glass fiber material, thickness 0.125 millimeter; Frie retardant coating layer 3 adopts grey FD2000 frie retardant coating, thickness 0.05 millimeter; Each tack coat all adopts organic pressure-sensitive gel, and thickness is 0.05 millimeter.
Existing fire prevention band: it only includes the layer be made up of expanded graphite fire-retardant material, thickness 3 millimeters.
According to the regulation of CNS GB/T528, above each fire prevention band is made dumbbell specimen, and test its tensile property, result is as following table:
The mechanical property of the fire prevention band of table 1, the present embodiment
Visible, each fire prevention band of the present embodiment all has higher intensity.Accordingly, namely the existing fire prevention band without supporting layer ruptures in the process making dumbbell specimen, therefore cannot complete above test at all, and its intensity is far below the fire prevention band of the present embodiment as seen.Therefore, the existing fire prevention band of strength ratio of the fire prevention band of the present embodiment significantly improves, and is convenient to processing and uses.
Again each fire prevention band of the present embodiment and existing fire prevention band are cut into the disk of diameter 1 inch, and the sample therefrom cutting 1/4 disk is put in aluminium dish, toast 15 minutes in the retort furnace of 350 degrees Celsius afterwards, take out and be cooled to room temperature, observe the outward appearance of sample.
Found that, after the above heat-processed of experience, each fire prevention band of the present embodiment and the sample of existing fire prevention band all obviously expand, and their degrees of expansion are without significant difference, this shows after adding the structures such as above supporting layer, and the expansion character of fire prevention band itself there is no reduction.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (13)
1. a fire prevention band, is characterized in that, comprising:
Expansible fireproof layer, it is made up of expansion fireproof material;
At least be located at the supporting layer of described expansible fireproof layer side;
Be located at the first tack coat between described expansible fireproof layer and supporting layer, described supporting layer is bonded on described expansible fireproof layer by described first tack coat.
2. fire prevention band according to claim 1, is characterized in that,
Described expansible fireproof layer both sides are equipped with described supporting layer.
3. fire prevention band according to claim 1 and 2, is characterized in that,
Described expansion fireproof material is expanded graphite fire-retardant material or expanded vermiculite fire-retardant material.
4. fire prevention band according to claim 1 and 2, is characterized in that,
Described supporting layer is made up of high temperature material.
5. fire prevention band according to claim 4, is characterized in that,
Described high temperature material is polyimide or glass fibre.
6. fire prevention band according to claim 1 and 2, is characterized in that,
The thickness of described supporting layer is between 0.02 millimeter to 0.5 millimeter.
7. fire prevention band according to claim 1 and 2, is characterized in that,
Described first tack coat is made up of silicone pressure sensitive binding agent.
8. fire prevention band according to claim 1 and 2, is characterized in that, also comprise:
Be located at the frie retardant coating layer of described supporting layer away from the side of described expansible fireproof layer.
9. fire prevention band according to claim 8, is characterized in that,
Described frie retardant coating layer is made up of swelling property frie retardant coating.
10. fire prevention band according to claim 8, is characterized in that, also comprise:
Be located at the second tack coat between described supporting layer and frie retardant coating layer, described frie retardant coating layer is bonded on described supporting layer by described second tack coat.
11. fire prevention bands according to claim 10, is characterized in that,
Described second tack coat is made up of silicone pressure sensitive binding agent.
12. fire prevention bands according to claim 1 and 2, is characterized in that, also comprise:
Be located at three tack coat of described supporting layer away from described expansible fireproof layer side;
Be located at the release layer of described 3rd tack coat away from described supporting layer side.
13. fire prevention bands according to claim 12, is characterized in that,
Described 3rd tack coat is made up of silicone pressure sensitive binding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766382.4U CN204434536U (en) | 2014-12-08 | 2014-12-08 | Fire prevention band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766382.4U CN204434536U (en) | 2014-12-08 | 2014-12-08 | Fire prevention band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204434536U true CN204434536U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420766382.4U Expired - Fee Related CN204434536U (en) | 2014-12-08 | 2014-12-08 | Fire prevention band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204434536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105907030A (en) * | 2016-04-28 | 2016-08-31 | 河北西伯力特种橡胶有限公司 | Expansion-controllable fire-resistant sleeve and production method thereof |
-
2014
- 2014-12-08 CN CN201420766382.4U patent/CN204434536U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105907030A (en) * | 2016-04-28 | 2016-08-31 | 河北西伯力特种橡胶有限公司 | Expansion-controllable fire-resistant sleeve and production method thereof |
| CN105907030B (en) * | 2016-04-28 | 2018-01-12 | 河北西伯力特种橡胶有限公司 | A kind of controllable expansion refractory sleeve and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20211208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |