CN106280079B - A kind of fire extinguishing band - Google Patents
A kind of fire extinguishing band Download PDFInfo
- Publication number
- CN106280079B CN106280079B CN201610638661.6A CN201610638661A CN106280079B CN 106280079 B CN106280079 B CN 106280079B CN 201610638661 A CN201610638661 A CN 201610638661A CN 106280079 B CN106280079 B CN 106280079B
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- fire extinguishing
- graphene
- base material
- band
- extinguishing band
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The present invention relates to a kind of fire extinguishing bands, the material of the fire extinguishing band includes base material, graphene and expansible graphite, the graphene and expansible graphite are uniformly distributed in the base material, the quality of the graphene is the 0.000005%~10% of the quality of the base material, and the quality of the expansible graphite is the 30%~200% of the quality of the base material.
Description
Technical field
The present invention relates to a kind of fire extinguishing bands.
Background technology
Electric wire is generally mainly made of three core wire, insulating layer and sheath parts, and the electric wire of specific use can also be in core wire
Include functional layer and shielded layer between sheath.The core wire is that the current-carrying part of electric wire for conveying electric energy is the master of electric wire
Part is wanted, can be conductor or enameled wire etc..The insulating layer be by between conductor and the earth and out of phase conductor electrical
On be isolated from each other, ensure electrical energy transportation, be indispensable component part in wire structure.The sheath be protect electric wire from
The intrusion of introduced contaminants and moisture, and prevent external force from directly damaging power cable.
When electric wire overloads, short circuit causes fire, and the core wire in electric wire is on fire, the even traditional flame-retardant layer of insulating layer, sheath
Deng being easy to be ignited, flame can quickly alter burning along electric wire, and other articles that ignite, and cause serious loss consequence.
Invention content
In view of this, it is necessory to provide a kind of fire extinguishing band, for winding traditional electric wire, asked with solving the prior art
Topic.
The present invention provides a kind of fire extinguishing band, and the material of the fire extinguishing band includes base material, graphene and expansible graphite, described
Graphene and expansible graphite are uniformly distributed in the base material, and the quality of the graphene is the quality of the base material
0.000005%~10%, the quality of the expansible graphite is the 30%~200% of the quality of the base material.
Preferably, the base material includes soft plastic or thermoplastic elastomer (TPE).
Preferably, the thickness of the fire extinguishing band is 0.1 millimeter~10 millimeters.
Preferably, the Shore durometer number of the fire extinguishing band is 40HA~98HA, and percentage of elongation is 50%~500%.
Preferably, the Shore durometer number of the fire extinguishing band is 70HA~80HA, and percentage of elongation is 65%~90%.
Preferably, the size of the graphene is 100 nanometers~20 microns.
Compared with prior art, fire extinguishing band provided by the invention has the following advantages：
The fire extinguishing band includes graphene and expansible graphite, on the one hand, expansible graphite has heated i.e. expandable
Characteristic, when the ontologies such as conductor catch fire, when heat reaches the fire extinguishing band of cladding ontology, which can be rapid because of heat
Expansion, the surrounding space of the ontologies such as conductor is filled up, and crushing failure at high speed flare, final that fire extinguishing can be achieved；On the other hand, graphene
With excellent heat-conductive characteristic, the graphene uniform is distributed in the base material and expansible graphite, and can with it is described
Expansible graphite forms a good network structure, and heat can rapidly be conducted by graphene, and can help the inflatable stone
Black heated fast and expand.In addition, the fire extinguishing band is after heat, it is inflatable after the base material, graphene, expansion after being heated
Graphite three can occur to act synergistically and form a self-supporting structure.The self-supporting structure can form one to ontology direction
Pressure and further press fire extinguishing flame, to realize excellent quick extinguishing effect.
There is the fire extinguishing band self-extinguishing effect can effectively be dropped when it is used for wound wire or other combustible materials
Low electric wire etc. cocks off caused damage, improves its safety used, has larger social economic effect.
Description of the drawings
Fig. 1 is structural schematic diagram of the fire extinguishing with use state of the present invention.
Wherein, 1 expression ontology in figure；2 indicate fire extinguishing band.
Following specific embodiment will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
Fire extinguishing band provided by the invention will be described further below.
The present invention provides a kind of fire extinguishing band.The material of the fire extinguishing band includes base material, graphene and expansible graphite, described
Graphene and expansible graphite are uniformly distributed in the base material.
The quality of the graphene is the 0.000005%~10% of the quality of the base material, preferably, 0.0002%~
10%.The quality of the expansible graphite is the 30%~200% of the quality of the base material, preferably, 50%~200%.
The expansible graphite is the Intercalation reaction Intercalation reaction object such as sulfuric acid in graphite by means physically or chemically
Molecule, hydrone etc., and can still keep graphite laminate structure.The expansible graphite in the case of heated as 150 degrees Celsius with
On, since Intercalation reaction object decomposes or vaporize the expansive force generated, this exapnsion power is much larger than the inter-layer bonding force of graphite, because
And the expansible graphite forms vermicular texture along c-axis direction expansion decades of times to hundreds times.
The expansible graphite can be self-control or commercially available flour.In the present embodiment, the expansible graphite is city
The flour sold, it is 100% that the quality of the expansible graphite, which accounts for the quality of the base material,.
Graphene mass fraction shared in the fire extinguishing band is smaller.The graphene be specific surface area it is larger,
The carbon material of excellent thermal conductivity also has good compatibility with the expansible graphite.The graphene acts on
In：A kind of biography hot medium is provided, and graphene is made to form a good heat conduction network with expansible graphite, this is also conducive to going out
In the process of fire, the expansible graphite after base material, graphene and expansion after being heated forms a self supporting structure.The self-supporting
Mainly realized by existing Van der Waals force between the expansible graphite and base material after graphene, expansion.Multiple graphene
In disorderly arranged in band of putting out a fire.
The self-supporting structure formed after the fire extinguishing is with heat is non-ash substance, is different from common straw
Burn obtained ashes.
The structure of the graphene is unlimited comprising graphene nanometer sheet, graphene nanobelt, lacks graphene micron film
Layer graphene (2-5 layers), multi-layer graphene (2-9 layers), graphene quantum dot, chemical modification graphene (graphene oxide, reduction
Graphene oxide) and these graphite alkenes materials derivative).The definition of the graphene can be found in document " All in
the graphene family–A recommended nomenclature for two-dimensional carbon
materials”.The graphene is also selected from thickness≤20nm, it is highly preferred that the material of thickness≤10nm.Graphene
Size (i.e. length or width) is unlimited, can be 100 nanometers~20 microns.In the present embodiment, the graphene thickness preferably≤
3nm, graphene is thinner, and flexibility is better, is more easily worked.The preparation method of the grapheme material is unlimited, using ability
Graphene product known to field technique personnel is prepared with conventional preparation method.Graphene can be selected from chemical oxidization method
If the graphene oxide of any one method preparation in Brodie methods, Hummers methods or Staudenmaier methods is through thermally expanding
Grapheme material obtained.The grapheme material that mechanical stripping, liquid phase stripping or electrochemical stripping can also be selected to prepare.Equally
The present invention can also use graphene oxide or other chemically modified grapheme materials.
In the present embodiment, the graphene is commercially available Graphene powder, and the quality of the graphene is the matter of the base material
The 0.0000005% of amount.
The base material is soft plastic or thermoplastic elastomer (TPE).Specifically, the soft plastic is polyethylene, polychlorostyrene second
Alkene, polystyrene, polymethyl methacrylate, nylon, makrolon, polyurethane, polytetrafluoroethylene (PTFE), gathers to benzene two polypropylene
At least one of formic acid glycol ester.In the present embodiment, the base material is polyvinyl chloride soft plastic.
The fire extinguishing band may also include other auxiliary agents, such as：Crosslinking agent, stabilizer, lubricant, modifying agent and plasticizer.Institute
It can be calcium zinc stabilizer to state stabilizer, and the lubricant can be paraffin.The ratio of each component is：It is 1~3 parts by weight of crosslinking agent, steady
Determine 1~6 parts by weight of agent, 0.5~3 parts by weight of lubricant, 0~20 parts by weight of modifying agent, 0~12 parts by weight of plasticizer.
The preparation method of the fire extinguishing band is as follows：It can be by base material, graphene, expansible graphite and other auxiliary agents in proportion
It weighs, is put into blender, kneader is delivered to after stirring evenly it is carried out at 100 DEG C~150 DEG C to enter after preplasticizing and squeezed
Molding machine direct extrusion molding.
The fire extinguishing is more than 15 with the coefficient of expansion after heat, it is preferred that the coefficient of expansion is more than 30.Relative to traditional
Undope the expansion plastic (7~15 times of expansion multiple) of graphene, the fire extinguishing band have excellent heat expansion effect and
Self-extinguishing effect.
The fire extinguishing band has certain thickness, and the thickness of the fire extinguishing band is 0.1 millimeter~10 millimeters.Preferably, institute
The thickness for stating fire extinguishing band is 3 millimeters~10 millimeters.
The Shore durometer number of the fire extinguishing band is 40HA~98HA, and percentage of elongation is 50%~500%.Preferably, described to go out
The Shore durometer number of fiery band is 70HA~80HA, and percentage of elongation is 65%~90%, well may be used with ensureing that the fire extinguishing band has
Prehensile, and can closely be coated on the surface of the ontologies such as various electric wires.It is furthermore preferred that the percentage of elongation of the fire extinguishing band is 70%.
The fire extinguishing is wider with applicable field, can be wrapped in the surface of automobile electric wire, fuel tank, common electric wire etc..
By taking the ontologies such as common electric wire as an example, Fig. 1 is referred to, band 2 of putting out a fire is coated on to the surface of ontology 1.
Compared with prior art, fire extinguishing band provided by the invention has the following advantages：
The fire extinguishing band includes graphene and expansible graphite, on the one hand, expansible graphite has heated i.e. expandable
Characteristic, when the ontologies such as conductor catch fire, when heat reaches the fire extinguishing band of cladding ontology, which can be rapid because of heat
Expansion, the surrounding space of the ontologies such as conductor is filled up, and crushing failure at high speed flare, final that fire extinguishing can be achieved；On the other hand, graphene
With excellent heat-conductive characteristic, the graphene uniform is distributed in the base material and expansible graphite, and can with it is described
Expansible graphite forms a good network structure, and heat can rapidly be conducted by graphene, and can help the inflatable stone
Black heated fast and expand.In addition, the fire extinguishing band is after heat, it is inflatable after the base material, graphene, expansion after being heated
Graphite three can occur to act synergistically and form a self-supporting structure.The self-supporting structure can form one to ontology direction
Pressure and further press fire extinguishing flame, to realize excellent quick extinguishing effect.
There is the fire extinguishing band self-extinguishing effect can effectively be dropped when it is used for wound wire or other combustible materials
Low electric wire etc. cocks off caused damage, improves its safety used.
The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvement and modification are also fallen within the protection scope of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (7)
1. a kind of fire extinguishing band, which is characterized in that the material of the fire extinguishing band includes base material, graphene and expansible graphite, described
Graphene and expansible graphite are uniformly distributed in the base material, and the quality of the graphene is the quality of the base material
0.000005%~10%, the quality of the expansible graphite is the 50%~200% of the quality of the base material, graphene with can
Expanded graphite forms a good heat conduction network, so that the expansible graphite after the base material, graphene and expansion after heated is formed
One self supporting structure.
2. fire extinguishing band as described in claim 1, which is characterized in that the base material includes soft plastic or thermoplastic elastomer (TPE).
3. fire extinguishing band as described in claim 1, which is characterized in that the thickness of the fire extinguishing band is 0.1 millimeter~10 millimeters.
4. fire extinguishing band as described in claim 1, which is characterized in that the Shore durometer number of the fire extinguishing band is 40HA~98HA,
Percentage of elongation is 50%~500%.
5. fire extinguishing band as claimed in claim 4, which is characterized in that the Shore durometer number of the fire extinguishing band is 70HA~80HA,
Percentage of elongation is 65%~90%.
6. fire extinguishing band as described in claim 1, which is characterized in that the size of the graphene is 100 nanometers~20 microns.
7. fire extinguishing band as described in claim 1, which is characterized in that the quality of the graphene is the quality of the base material
0.0002%~10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638661.6A CN106280079B (en) | 2016-08-04 | 2016-08-04 | A kind of fire extinguishing band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638661.6A CN106280079B (en) | 2016-08-04 | 2016-08-04 | A kind of fire extinguishing band |
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| Publication Number | Publication Date |
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| CN106280079A CN106280079A (en) | 2017-01-04 |
| CN106280079B true CN106280079B (en) | 2018-09-21 |
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| CN112473067B (en) * | 2020-12-30 | 2022-04-05 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of graphene composite graphite micro-powder foam extinguishing agent and product thereof |
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| KR20110026494A (en) * | 2008-06-30 | 2011-03-15 | 다우 글로벌 테크놀로지스 엘엘씨 | Polymer composite with intumescent graphene |
| CN103467969B (en) * | 2013-08-21 | 2015-08-19 | 青岛科技大学 | Composite flame-retardant agent and the application in the preparation of flame retardant thermoplastic polyurethane elastomer material thereof |
| CN105131792A (en) * | 2015-09-30 | 2015-12-09 | 高碑店市安普特种防火材料制造有限公司 | Intumescent type multifunctional fire retardant coating containing nano-graphite sheets |
| CN105295360B (en) * | 2015-10-10 | 2018-06-29 | 惠州市沃特新材料有限公司 | High heat conduction fire-retardant nylon composite material and preparation method thereof |
| CN105400069A (en) * | 2015-11-27 | 2016-03-16 | 安徽宁国市高新管业有限公司 | Heat-resistant flame-retardant power cable protective pipe |
| CN105825944B (en) * | 2016-03-10 | 2018-11-06 | 安徽海源特种电缆有限公司 | A kind of ageing-resistant flame-proof power cable |
| CN105802191A (en) * | 2016-04-19 | 2016-07-27 | 滁州环球聚氨酯科技有限公司 | Polyurethane composite material with high flame retardance, heat resistance and water resistance |
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Denomination of invention: A type of fire extinguishing belt Effective date of registration: 20230605 Granted publication date: 20180921 Pledgee: Bank of Hangzhou Limited by Share Ltd. Tongxiang branch Pledgor: TONGXIANG SMALL BOSS SPECIAL PLASTIC PRODUCTS Co.,Ltd. Registration number: Y2023330001071 |