CN109801754A - A kind of copper core mica tape mineral insulation ripple copper sheath power cable - Google Patents
A kind of copper core mica tape mineral insulation ripple copper sheath power cable Download PDFInfo
- Publication number
- CN109801754A CN109801754A CN201811632064.8A CN201811632064A CN109801754A CN 109801754 A CN109801754 A CN 109801754A CN 201811632064 A CN201811632064 A CN 201811632064A CN 109801754 A CN109801754 A CN 109801754A
- Authority
- CN
- China
- Prior art keywords
- parts
- copper
- oversheath
- mica tape
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The present invention relates to fireproof cable technical fields, and the invention discloses a kind of copper core mica tape mineral insulation ripple copper sheath power cables, are followed successively by conductor, insulating layer, protective layer, protective metal shell, oversheath from the inside to the outside；The conductor material is copper；The insulating layer material is calcining mica tape；The protective layer material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material for preparing oversheath includes: high density polyethylene (HDPE), low density polyethylene (LDPE), ethylene-octene copolymer, composite flame-retardant agent, diatomite, silane resin acceptor kh-550, maleic anhydride, antioxidant 1010, irgasfos 168, PE wax, calcium stearate, trioctyl trimellitate (TOTM), cumyl peroxide by weight.The present invention has excellent fire protecting performance, can prevent flame from burning out cable when fire occurs, and makes cable keep operating normally in scene of fire, to avoid unnecessary loss of property and casualties.
Description
Technical field
The present invention relates to fireproof cable technical field more particularly to a kind of copper core mica tape mineral insulation ripple copper sheath electricity
Power cable.
Background technique
As industrialization, urbanization process are accelerated, all kinds of fire incidents also frequently occur, and cause the huge damage of lives and properties
It loses.Also, with the raising of fire-fighting consciousness, developed country must select in a part of electrical distribution line according to different purposes
Fireproof cable.Domestic electrical department also promotes the use of fireproof cable in the skyscraper in city and public place of entertainment.Fireproof cable one
As by conductor, insulating layer, protective layer, protective metal shell, oversheath, the first protective layer when oversheath occurs as fire, because
This proposes higher requirement to its flame retardant property.
Summary of the invention
Based on background technique there are the problem of, the invention proposes a kind of copper core mica tape mineral insulation ripple copper sheath electricity
Power cable, the present invention have excellent fire protecting performance, can prevent flame from burning out cable when fire occurs, and keep cable existing in fire
Field keeps operating normally, to avoid unnecessary loss of property and casualties.
The invention proposes a kind of copper core mica tape mineral insulation ripple copper sheath power cables, are followed successively by lead from the inside to the outside
Body, insulating layer, protective layer, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；
The protective layer material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；Prepare the raw material of oversheath by
Parts by weight include: 50-70 parts of high density polyethylene (HDPE), 20-30 parts of low density polyethylene (LDPE), 40-50 parts of ethylene-octene copolymer, answer
Close fire retardant 40-60 parts, 5-10 parts of diatomite, 2-4 parts of silane resin acceptor kh-550,1-2 parts of maleic anhydride, antioxidant 1010
0.3-1.2 parts, 0.2-1.4 parts of irgasfos 168,0.2-1 parts of PE wax, 0.1-0.8 parts of calcium stearate, trioctyl trimellitate (TOTM) 2-4
Part, 0.3-1.2 parts of cumyl peroxide.
Preferably, the composite flame-retardant agent is by modified magnesium hydroxide and modified expanded graphite 6-10:3-8 group in mass ratio
At.
Preferably, the modified magnesium hydroxide is prepared as follows: magnesium hydroxide powder being dispersed in water, then side
Enuatrol, polyethylene glycol and odium stearate is just added in stirring, controls temperature at 70-75 DEG C, is stirred to react 80-100min, filters,
Product is washed with water 3-5 times, drying, crushed 80 meshes to get modified magnesium hydroxide is arrived.
Preferably, the mass ratio of the magnesium hydroxide powder, water, enuatrol, polyethylene glycol and odium stearate is 80-100:
1800-2000:2-3:2-3:4-6。
Preferably, the modified expanded graphite is prepared as follows: the natural graphite of 100-150 mesh is added to concentration
Sodium tripolyphosphate and potassium permanganate to be added, while stirring then controlled at 38-40 in the sulfuric acid solution of 72-75wt%
DEG C, 30-40min is reacted, product will be washed with water after reaction, until scrub raffinate is in neutrality, finally under the conditions of 50-55 DEG C
Drying to constant weight to get modified expanded graphite.
Preferably, the natural graphite, sulfuric acid solution, sodium tripolyphosphate, potassium permanganate mass ratio be 8-10:30-38:
5-6:5-6。
Preferably, the oversheath is prepared as follows: after all raw materials according to the proportion ingredient, through mixing, being squeezed out
It is granulated, particulate material is prepared in stoving process；Particulate material is added in basic molding machine formed, sizing, traction, cutting
Afterwards, oversheath is obtained.
The present invention is modified natural graphite with sulfuric acid, sodium tripolyphosphate, potassium permanganate, modified expanded graphite obtained
Fluffy foamed char can be formed in cable surface in combustion, which both can protect the function of cable, can be with
By cable and external heat source and air insulated, good fire retardation is played.Magnesium hydroxide is the nothing with excellent flame effect
Machine fire retardant, but magnesium hydroxide and polyolefin resin matrix compatibility are poor, and a large amount of use is needed to can be only achieved required resistance
Combustion requires, and therefore, the present invention carries out table using enuatrol, polyethylene glycol and odium stearate as composite modifier, to magnesium hydroxide
Face is modified, and modifying agent is made to be adsorbed in magnesium hydroxide particle surface, forms micella, makes to generate repulsion between particle, hydrogen-oxygen can be improved
Change dispersibility and compatibility of the magnesium in polyolefin resin, and promotes flame retardant property.The present invention is by modified expanded graphite and modification
Magnesium hydroxide compounding, and with high density polyethylene (HDPE), low density polyethylene (LDPE), ethylene-octene copolymer, diatomite, silane coupling agent
KH-550, maleic anhydride, antioxidant 1010, irgasfos 168, PE wax, calcium stearate, trioctyl trimellitate (TOTM), peroxidating two are different
Propyl benzene is mixed with oversheath, and made oversheath combines high density polyethylene (HDPE), low density polyethylene (LDPE), ethylene-octene copolymerization
The advantage of object etc. has good processing performance, mechanical performance and flame retardant property.
Copper core mica tape mineral insulation ripple copper sheath power cable of the present invention has excellent fire protecting performance, sends out in fire
It can prevent flame from burning out cable when raw, make cable keep operating normally in scene of fire, to avoid unnecessary loss of property
And casualties.
Specific embodiment
Technical solution of the present invention is described in detail combined with specific embodiments below.
Embodiment 1
A kind of copper core mica tape mineral insulation ripple copper sheath power cable, is followed successively by conductor, insulating layer, guarantor from the inside to the outside
Sheath, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；The protective layer material
Material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material for preparing oversheath includes: height by weight
50 parts of density polyethylene, 30 parts of low density polyethylene (LDPE), 40 parts of ethylene-octene copolymer, 60 parts of composite flame-retardant agent, 5 parts of diatomite,
It is 4 parts of silane resin acceptor kh-550,1 part of maleic anhydride, 1.2 parts of antioxidant 1010,0.2 part of irgasfos 168,1 part of PE wax, hard
0.1 part of resin acid calcium, 4 parts of trioctyl trimellitate (TOTM), 0.3 part of cumyl peroxide；The composite flame-retardant agent is by modified hydrogen-oxygen
Change magnesium and modified expanded graphite 10:3 in mass ratio composition.
Embodiment 2
A kind of copper core mica tape mineral insulation ripple copper sheath power cable, is followed successively by conductor, insulating layer, guarantor from the inside to the outside
Sheath, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；The protective layer material
Material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material for preparing oversheath includes: height by weight
70 parts of density polyethylene, 20 parts of low density polyethylene (LDPE), 50 parts of ethylene-octene copolymer, 40 parts of composite flame-retardant agent, diatomite 10
Part, 2 parts of silane resin acceptor kh-550,2 parts of maleic anhydride, 0.3 part of antioxidant 1010,1.4 parts of irgasfos 168, PE wax 0.2
Part, 0.8 part of calcium stearate, 2 parts of trioctyl trimellitate (TOTM), 1.2 parts of cumyl peroxide；The composite flame-retardant agent is by being modified
Magnesium hydroxide and modified expanded graphite 6:8 in mass ratio composition.
Embodiment 3
A kind of copper core mica tape mineral insulation ripple copper sheath power cable, is followed successively by conductor, insulating layer, guarantor from the inside to the outside
Sheath, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；The protective layer material
Material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material for preparing oversheath includes: height by weight
60 parts of density polyethylene, 25 parts of low density polyethylene (LDPE), 44 parts of ethylene-octene copolymer, 50 parts of composite flame-retardant agent, 8 parts of diatomite,
3 parts of silane resin acceptor kh-550,1 part of maleic anhydride, 0.8 part of antioxidant 1010,0.7 part of irgasfos 168,0.6 part of PE wax,
0.5 part of calcium stearate, 3 parts of trioctyl trimellitate (TOTM), 0.9 part of cumyl peroxide；The composite flame-retardant agent is by modified hydrogen
Magnesia and modified expanded graphite 8:5 in mass ratio composition.
The preparation that modified magnesium hydroxide is pressed: magnesium hydroxide powder is dispersed in water, then side stirring just be added enuatrol,
Polyethylene glycol and odium stearate control temperature at 70 DEG C, are stirred to react 100min, filter, and product is washed with water 3 times, dries, powder
Broken 80 mesh of mistake to get arrive modified magnesium hydroxide；The quality of magnesium hydroxide powder, water, enuatrol, polyethylene glycol and odium stearate
Than for 100:1800:3:2:6.
The preparation of modified expanded graphite: the natural graphite of 100 mesh is added in the sulfuric acid solution that concentration is 75wt%, so
Sodium tripolyphosphate and potassium permanganate is added while stirring afterwards, controlled at 38 DEG C, reacts 40min, water will be used after reaction
Washed product, until scrub raffinate is in neutrality, finally drying to constant weight under the conditions of 50 DEG C to get modified expanded graphite；The day
Right graphite, sulfuric acid solution, sodium tripolyphosphate, potassium permanganate mass ratio be 10:30:6:5.
The preparation of oversheath: it after all raw materials according to the proportion ingredient, is prepared into through mixing, extruding pelletization, stoving process
To particulate material；Particulate material is added in basic molding machine and formed, sizing, traction, after cutting, obtain oversheath.
Embodiment 4
A kind of copper core mica tape mineral insulation ripple copper sheath power cable, is followed successively by conductor, insulating layer, guarantor from the inside to the outside
Sheath, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；The protective layer material
Material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material for preparing oversheath includes: height by weight
70 parts of density polyethylene, 20 parts of low density polyethylene (LDPE), 50 parts of ethylene-octene copolymer, 40 parts of composite flame-retardant agent, diatomite 10
Part, 2 parts of silane resin acceptor kh-550,2 parts of maleic anhydride, 0.3 part of antioxidant 1010,1.4 parts of irgasfos 168, PE wax 0.2
Part, 0.8 part of calcium stearate, 2 parts of trioctyl trimellitate (TOTM), 1.2 parts of cumyl peroxide；The composite flame-retardant agent is by being modified
Magnesium hydroxide and modified expanded graphite 6:8 in mass ratio composition.
The preparation that modified magnesium hydroxide is pressed: magnesium hydroxide powder is dispersed in water, then side stirring just be added enuatrol,
Polyethylene glycol and odium stearate control temperature at 75 DEG C, are stirred to react 80min, filter, and product is washed with water 5 times, dries, powder
Broken 80 mesh of mistake to get arrive modified magnesium hydroxide；The quality of magnesium hydroxide powder, water, enuatrol, polyethylene glycol and odium stearate
Than for 80:2000:2:3:4.
The preparation of modified expanded graphite: the natural graphite of 150 mesh is added in the sulfuric acid solution that concentration is 72wt%, so
Sodium tripolyphosphate and potassium permanganate is added while stirring afterwards, controlled at 40 DEG C, reacts 30min, water will be used after reaction
Washed product, until scrub raffinate is in neutrality, finally drying to constant weight under the conditions of 55 DEG C to get modified expanded graphite；The day
Right graphite, sulfuric acid solution, sodium tripolyphosphate, potassium permanganate mass ratio be 8:38:5:6.
The preparation of oversheath: it after all raw materials according to the proportion ingredient, is prepared into through mixing, extruding pelletization, stoving process
To particulate material；Particulate material is added in basic molding machine and formed, sizing, traction, after cutting, obtain oversheath.
Experimental example
The anti-flammability of oversheath prepared by the present invention is detected, as a result as shown in the table:
The flame test result of 1 oversheath of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Testing standard | |
| Flame retardant rating | A | A | A | A | GB12666.5 |
| Oxygen index (OI) | 41 | 37 | 39 | 42 | GB/T2406-1993 |
As seen from the above table, the made oversheath of the present invention has excellent anti-flammability.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of copper core mica tape mineral insulation ripple copper sheath power cable, which is characterized in that be followed successively by from the inside to the outside conductor,
Insulating layer, protective layer, protective metal shell, oversheath；The conductor material is copper；The insulating layer material is calcining mica tape；Institute
Stating protective layer material is low-smoke bittern-free highly fire-proof band；The protective metal shell material is ripple copper；The raw material of oversheath is prepared by weight
Amount part includes: 50-70 parts of high density polyethylene (HDPE), 20-30 parts of low density polyethylene (LDPE), 40-50 parts of ethylene-octene copolymer, compound
40-60 parts of fire retardant, 5-10 parts of diatomite, 2-4 parts of silane resin acceptor kh-550,1-2 parts of maleic anhydride, antioxidant 1010
0.3-1.2 parts, 0.2-1.4 parts of irgasfos 168,0.2-1 parts of PE wax, 0.1-0.8 parts of calcium stearate, trioctyl trimellitate (TOTM) 2-4
Part, 0.3-1.2 parts of cumyl peroxide.
2. cable according to claim 1, which is characterized in that the composite flame-retardant agent is by modified magnesium hydroxide and modification
Expanded graphite 6-10:3-8 in mass ratio composition.
3. cable according to claim 2, which is characterized in that the modified magnesium hydroxide is prepared as follows: by hydrogen
Magnesium oxide powder is dispersed in water, and enuatrol, polyethylene glycol and odium stearate is just added in then side stirring, controls temperature in 70-
75 DEG C, it is stirred to react 80-100min, is filtered, product is washed with water 3-5 times, dries, and crushed 80 meshes to get modified hydrogen is arrived
Magnesia.
4. cable according to claim 3, which is characterized in that the magnesium hydroxide powder, water, enuatrol, polyethylene glycol
Mass ratio with odium stearate is 80-100:1800-2000:2-3:2-3:4-6.
5. according to the described in any item cables of claim 2-4, which is characterized in that the modified expanded graphite is made as follows
It is standby: the natural graphite of 100-150 mesh to be added in the sulfuric acid solution that concentration is 72-75wt%, three are then added while stirring
Polyphosphate sodium and potassium permanganate react 30-40min, product will be washed with water after reaction controlled at 38-40 DEG C, until
Scrub raffinate is in neutrality, and finally drying to constant weight under the conditions of 50-55 DEG C to get modified expanded graphite.
6. cable according to claim 5, which is characterized in that the natural graphite, sulfuric acid solution, sodium tripolyphosphate, height
The mass ratio of potassium manganate is 8-10:30-38:5-6:5-6.
7. cable according to claim 1-6, which is characterized in that the oversheath is prepared as follows: will
After ingredient, particulate material is prepared through mixing, extruding pelletization, stoving process according to the proportion in all raw materials；Particulate material is added to
It formed in basic molding machine, sizing, traction, after cutting, obtain oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632064.8A CN109801754B (en) | 2018-12-29 | 2018-12-29 | Copper core mica tape mineral insulation corrugated copper sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632064.8A CN109801754B (en) | 2018-12-29 | 2018-12-29 | Copper core mica tape mineral insulation corrugated copper sheath power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109801754A true CN109801754A (en) | 2019-05-24 |
| CN109801754B CN109801754B (en) | 2020-08-21 |
Family
ID=66558033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632064.8A Active CN109801754B (en) | 2018-12-29 | 2018-12-29 | Copper core mica tape mineral insulation corrugated copper sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109801754B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262502A (en) * | 2021-12-03 | 2022-04-01 | 帝高力装饰材料（江苏）有限公司 | PET flame-retardant floor and preparation method thereof |
| CN114822960A (en) * | 2022-05-14 | 2022-07-29 | 天环线缆集团有限公司 | Medium-voltage copper core power cable with good insulation property |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419072A (en) * | 2015-12-18 | 2016-03-23 | 华南理工大学 | Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof |
| CN105585006A (en) * | 2014-10-24 | 2016-05-18 | 江阴碳谷科技有限公司 | A graphite expanding and heating device and a process thereof |
| CN105885188A (en) * | 2016-05-03 | 2016-08-24 | 山东泰开高分子材料有限公司 | Preparation and using method of chemical crosslinking low-smoke halogen-free flame-retardant polyolefin composite material |
| CN106847385A (en) * | 2017-03-27 | 2017-06-13 | 湖北龙腾红旗电缆(集团)有限公司 | Skyscraper mineral insulated cable |
-
2018
- 2018-12-29 CN CN201811632064.8A patent/CN109801754B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585006A (en) * | 2014-10-24 | 2016-05-18 | 江阴碳谷科技有限公司 | A graphite expanding and heating device and a process thereof |
| CN105419072A (en) * | 2015-12-18 | 2016-03-23 | 华南理工大学 | Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof |
| CN105885188A (en) * | 2016-05-03 | 2016-08-24 | 山东泰开高分子材料有限公司 | Preparation and using method of chemical crosslinking low-smoke halogen-free flame-retardant polyolefin composite material |
| CN106847385A (en) * | 2017-03-27 | 2017-06-13 | 湖北龙腾红旗电缆(集团)有限公司 | Skyscraper mineral insulated cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262502A (en) * | 2021-12-03 | 2022-04-01 | 帝高力装饰材料（江苏）有限公司 | PET flame-retardant floor and preparation method thereof |
| CN114822960A (en) * | 2022-05-14 | 2022-07-29 | 天环线缆集团有限公司 | Medium-voltage copper core power cable with good insulation property |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109801754B (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105367965B (en) | Fire-resisting cable halogen-free flameproof ceramic cable material of polyolefin and preparation method thereof | |
| CN103450544A (en) | Low-smoke, halogen-free and flame-retardant irradiation crosslinking polyolefin composite material and preparation method thereof | |
| CN102977605A (en) | Silicon rubber cross-linked flame-retardant cable material and its preparation method | |
| CN102977609A (en) | Oil and low-temperature resistant low-smoke and halogen-free flame retardant cable material for boats, and its preparation method | |
| CN105131416A (en) | Low-smoke zero-halogen ceramic fireproof cable material and preparation method thereof | |
| CN105321603A (en) | Manufacturing process for fire-resistant power transmission cable with high current-carrying capacity | |
| CN106750855A (en) | Fire resisting expansion low-smoke halogen-free flame-retardant sheath material and preparation method thereof | |
| CN109801754A (en) | A kind of copper core mica tape mineral insulation ripple copper sheath power cable | |
| CN111117054A (en) | Low-smoke halogen-free flame-retardant B1-grade polyolefin cable sheath material and preparation method thereof | |
| CN103102579A (en) | Halogen-free expanded flame retardant cable outer sheath material composition and preparation method thereof | |
| CN102097176B (en) | Shielded power cable | |
| CN111825935A (en) | Flexible fireproof tube for wires and cables and application thereof | |
| CN103788459B (en) | The preparation method of nanometer hydrogen-oxygen oxygen bismuth/polyethylene fire retardant composite material | |
| CN103992567A (en) | Flame retardant high insulation cable material with radiation resistance for nuclear power plant | |
| CN102977467A (en) | Cross-linked low-smoke and zero-halogen flame retardant cable material for nuclear power stations, and its preparation method | |
| CN103333403A (en) | Halogen-free intumescent flame retardant polyolefine cable sheath material and preparation method thereof | |
| CN104893085A (en) | Soft halogen-free flame-retardant insulation material for home appliances and preparation method thereof | |
| CN107915886A (en) | A kind of cold-resistant fire-resistant cable material and preparation method thereof | |
| CN104177676A (en) | Rubber for cable insulation outer walls and production method thereof | |
| CN103554634A (en) | High-voltage cable structure with insulating layer with excellent performance | |
| CN103554636A (en) | Preparation process of material with excellent performance for cable insulation | |
| CN102220002B (en) | Nanometer high-temperature resistant ceramic silica gel | |
| CN103524853A (en) | Formula of cable insulation material excellent in performance | |
| CN105802247A (en) | Weather-resistant cable insulating material and preparation method thereof | |
| CN105504473A (en) | Sheath material for low-smoke halogen-free flame-retardant power line and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |