CN108305732A - A kind of fire-resistant silicon rubber mica tape - Google Patents
A kind of fire-resistant silicon rubber mica tape Download PDFInfo
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- CN108305732A CN108305732A CN201711498817.6A CN201711498817A CN108305732A CN 108305732 A CN108305732 A CN 108305732A CN 201711498817 A CN201711498817 A CN 201711498817A CN 108305732 A CN108305732 A CN 108305732A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/64—Insulating bodies with conductive admixtures, inserts or layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Insulated Conductors (AREA)
- Insulating Bodies (AREA)
Abstract
The present invention discloses a kind of fire-resistant silicon rubber mica tape, including fire-resistant silicon rubber mica layer and glass layer of cloth, the fire-resistant silicon rubber mica layer includes silicon rubber, white carbon, mica powder, shelling auxiliary agent and silicone oil component, the fire-resistant silicon rubber mica layer and glass layer of cloth are complex as an entirety by way of calendering, and fire-resistant silicon rubber mica tape then is made through vulcanization, winding, cutting process.Fire-resistant silicon rubber mica tape of the present invention has excellent hydrophobicity and electrical insulation properties, it especially can form hard shell in thermal-flame not crack, mica powder will not powder of detached, keep good insulation performance, the application requirement of the special industries such as fire-resistant wire and cable and fire-fighting can be met.Present invention process route is simple and environmentally-friendly, product quality is stablized, and is suitable for industrialized production.
Description
Technical field
The present invention relates to a kind of fire-resistant isinglass belts.
Background technology
Mica tape is also known as fire-resistant isinglass belt, is a kind of refractory insulating material, has excellent high temperature resistance and resistance to burning
Performance.Mica tape is widely used in fire-resistant wire and cable field because of its excellent hot-face insulation characteristic.Traditional fire-resistant isinglass belt is
Certain thickness mica paper and supporting material are bonded by high-temperature-resistant adhesive, wherein mica paper is main hot-face insulation material
Material.Since mica itself has very strong hygroscopicity, mica tape is stored in a natural environment and use can absorb air in the process
In moisture, lead to decreasing insulating, influence the quality of electric wire product.Therefore, cable producer generally requires mica
Band is stored in drying shed or using preceding by mica tape drying and processing, and it is wrapped after core will also will be in mica through drying chamber
Moisture removing could carry out next process, and production efficiency is low, and drying cost is high.Also, mica tape is during wrapped
It falls off and flies upward there is also mica powder, the severe disadvantage of production environment.
Fire-resistant wire and cable in case of fire, in addition to the ablation of flame to be coped with and high temperature, also needs to resist external machinery
Hit the spray of (cement, the stone that such as fall) and fire-fighting water mist, it is desirable that holding circuit is persistently led under this harsh conditions
Electricity, the i.e. integrality of circuit.The fire-resistant wire and cable manufactured using traditional mica tape can only ensure under flame condition certain
Normal power-up is maintained in time, and under the environment such as shock, spray, it is carbonized because high-temperature-resistant adhesive decomposes, mica tape can occur
Embrittlement, dusting, easily falling off when being hit leads to failure of insulation, and the moisture sprayed causes flame retardant coating exhausted by mica absorption
Edge resistance drops sharply to 0, and short-circuit between conductors is caused to puncture, fire resisting failure.
Patent of invention CN 101969244 discloses a kind of three-in-one mica band structure, by being stained on mica tape surface layer
One strata ester film can not only prevent mica powder from falling off but also have certain humidity resistance.The product is compared traditional mica tape and is produced
Product have larger improvement, but need to use a large amount of organic adhesion agents and solvent in its production process, environmental pollution than more serious,
And mica tape product cannot avoid moisture absorption problem completely.Patent of invention CN103345959 discloses a kind of Ceramic silicon rubber
Composite band substitutes traditional mica tape, which has preferable hydrophobicity and insulation performance, and ceramic-like can be formed under high temperature
Hard shell plays the role of insulated fireproof.However, the defects of layer of silica gel of the product is susceptible to crackle when burning, exists certain
Risk, and the higher price of product.
Invention content
The main object of the present invention be to provide it is a kind of have excellent hydrophobicity and electrical insulation properties, especially in high temp fire
Hard shell can be formed in the case of flame not crack, and mica powder will not powder of detached fire-resistant silicon rubber mica tape.
To achieve the above object, the present invention proposes a kind of fire-resistant silicon rubber mica tape, including fire-resistant silicon rubber mica layer and
Glass layer of cloth, the fire-resistant silicon rubber mica layer includes silicon rubber, white carbon, mica powder, shelling auxiliary agent and silicone oil component, described
Fire-resistant silicon rubber mica layer and glass layer of cloth are complex as an entirety by way of calendering, then through vulcanization, winding, cutting work
Fire-resistant silicon rubber mica tape is made in sequence.
Preferably, the fire-resistant silicon rubber mica layer component is：1~50 part of silicon rubber, 0~40 part of white carbon, mica powder 1
~99 parts, 0.001~10 part of shelling auxiliary agent, 0~10% part of silicone oil, 0~10 part of coupling agent.
Preferably, the mica powder is one or more in phlogopite powder, compound mica or calcining mica powder.
Preferably, the glass-fiber-fabric is the fire resisting alkali-free or low alkali glass fiber cloth of thread count.
Preferably, the fire-resistant silicon rubber mica tape thickness is 0.1~1mm.
As described above, fire-resistant silicon rubber mica tape of the present invention has excellent hydrophobicity and electrical insulation properties, especially exist
Hard shell can be formed in the case of thermal-flame not crack, mica powder will not powder of detached, keep good insulation performance, can meet resistance to
The application requirement of the special industries such as fiery electric wire and fire-fighting.Present invention process route is simple and environmentally-friendly, product quality is stablized, and fits
In industrialized production.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
The every other embodiment that logical technical staff is obtained without creative efforts belongs to what the present invention protected
Range.
In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not the present invention claims protection domain within.
Fire-resistant silicon rubber mica tape of the present invention includes fire-resistant silicon rubber mica layer and glass layer of cloth, the fire-resistant silicon rubber cloud
Mother layer includes silicon rubber, white carbon, mica powder, shelling auxiliary agent and silicone oil component, the fire-resistant silicon rubber mica layer and glass-fiber-fabric
Layer is complex as an entirety by way of calendering, and fire-resistant silicon rubber mica tape then is made through vulcanization, winding, cutting process.
Preferably, the fire-resistant silicon rubber mica layer component is：1~50 part of silicon rubber, 0~40 part of white carbon, mica powder 1
~99 parts, 0.001~10 part of shelling auxiliary agent, 0~10% part of silicone oil, 0~10 part of coupling agent.
Preferably, the mica powder is one or more in phlogopite powder, compound mica or calcining mica powder.
Preferably, the glass-fiber-fabric is the fire resisting alkali-free or low alkali glass fiber cloth of thread count.
Preferably, the fire-resistant silicon rubber mica tape thickness is 0.1~1mm.
Below in conjunction with specific embodiment, the specific implementation mode that the present invention will be described in detail：
Embodiment 1
The methyl vinyl silicone rubber that 50 parts of contents of ethylene are 0.08% is put into silicon rubber kneader, then in batches
Sequentially add 40 parts of gas-phase silicas, 40 part of 325 mesh compound mica, 59 part of 1250 mesh compound mica, 10 parts of hydroxyl silicon
Oil, 1 part of shelling auxiliary agent and 2 parts of silane coupling agents, add every time filler need to mediate it is agglomerating after can add down a kind of material, most
After be warming up to 120 DEG C and vacuumize 1 hour, naturally cool to 50 DEG C hereinafter, open mill bottom sheet.
100 parts of sizing materials are taken, 2 parts of double two or four vulcanizing agents is added, is uniformly mixed on open mill, it then will on tri-roll press machine
Sizing material is combined into certain thickness fire-resistant silicon rubber mica cloth with the calendering of fire resisting glass-fiber-fabric, winds, cuts into after drying tunnel vulcanizes
The fire-resistant silicon rubber mica tape product of one fixed width.
The performance test results that product is made in embodiment 1 are as shown in table 1 below：
Table 1
Embodiment 2
The methyl vinyl silicone rubber that 1 part of contents of ethylene is 0.08% is put into silicon rubber kneader, then in batches
Sequentially add 1 part of gas-phase silica, 0.5 part of 325 mesh compound mica, 0.5 part of 1250 mesh compound mica, 1 part of hydroxy silicon oil,
1 part of shelling auxiliary agent and 2 parts of silane coupling agents, add every time filler need to mediate it is agglomerating after can add down a kind of material, finally
It is warming up to 120 DEG C to vacuumize 1 hour, naturally cools to 50 DEG C hereinafter, open mill bottom sheet.
2 parts of sizing materials are weighed, 0.02 part of double two or four vulcanizing agent is added, is uniformly mixed on open mill, then in tri-roll press machine
On by sizing material and fire resisting glass-fiber-fabric calendering be combined into certain thickness fire-resistant silicon rubber mica cloth, wound after drying tunnel vulcanizes, point
It is cut into the fire-resistant silicon rubber mica tape product of one fixed width.
The performance test results that product is made in embodiment 2 are as shown in table 2 below：
Table 2
| Test event | Unit | As a result |
| Density | g/cm3 | 1.42 |
| Tensile strength | MPa | 5.5 |
| Tearing strength | kN/m | 23 |
| Volume resistivity | Ω·cm | 6.5×1014 |
| Breakdown strength | kV | 31 |
| Water absorption rate | % | 0.4 |
According to Tables 1 and 2, it can be deduced that, the fire-resistant silicon rubber mica tape of embodiment 1 and embodiment 2 has excellent dredge
Aqueous and electrical insulation properties.Do not crack in addition, it can form hard shell in thermal-flame, mica powder will not dusting it is de-
It falls, keeps good insulation performance, the application requirement of the special industries such as fire-resistant wire and cable and fire-fighting can be met.Present invention process
Route is simple and environmentally-friendly, product quality is stablized, and is suitable for industrialized production.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by present specification, or directly/it is used in other indirectly
Relevant technical field is included in the scope of patent protection of the present invention.
Claims (5)
1. a kind of fire-resistant silicon rubber mica tape, which is characterized in that including fire-resistant silicon rubber mica layer and glass layer of cloth, the fire resisting
Silicon rubber mica layer includes silicon rubber, white carbon, mica powder, shelling auxiliary agent and silicone oil component, the fire-resistant silicon rubber mica layer
It is complex as an entirety by way of calendering with glass layer of cloth, fire-resistant silicon rubber then is made through vulcanization, winding, cutting process
Mica tape.
2. fire-resistant silicon rubber mica tape according to claim 1, which is characterized in that the fire-resistant silicon rubber mica layer component
For：1~50 part of silicon rubber, 0~40 part of white carbon, 1~99 part of mica powder, 0.001~10 part of shelling auxiliary agent, silicone oil 0~10%
Part, 0~10 part of coupling agent.
3. fire-resistant silicon rubber mica tape according to claim 2, which is characterized in that the mica powder is phlogopite powder, closes
At one or more in mica powder or calcining mica powder.
4. fire-resistant silicon rubber mica tape according to claim 1, which is characterized in that the glass-fiber-fabric is the resistance to of thread count
Fiery alkali-free or low alkali glass fiber cloth.
5. fire-resistant silicon rubber mica tape according to claim 1, which is characterized in that the fire-resistant silicon rubber mica tape thickness
For 0.1~1mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498817.6A CN108305732A (en) | 2017-12-29 | 2017-12-29 | A kind of fire-resistant silicon rubber mica tape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498817.6A CN108305732A (en) | 2017-12-29 | 2017-12-29 | A kind of fire-resistant silicon rubber mica tape |
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| Publication Number | Publication Date |
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| CN108305732A true CN108305732A (en) | 2018-07-20 |
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| CN201711498817.6A Pending CN108305732A (en) | 2017-12-29 | 2017-12-29 | A kind of fire-resistant silicon rubber mica tape |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421908A (en) * | 2019-07-17 | 2019-11-08 | 重庆泰山电缆有限公司 | A kind of NEW TYPE OF COMPOSITE fire-resistant isinglass belt and its manufacturing method |
| CN116376432A (en) * | 2023-04-23 | 2023-07-04 | 北京倚天凌云科技股份有限公司 | Color separation coating treatment liquid, coating and ceramic color separation mica tape containing coating |
| CN117417638A (en) * | 2023-10-17 | 2024-01-19 | 合肥华城材料科技有限责任公司 | High-temperature-resistant flame-retardant mica composite organic silicon rubber and preparation method and application thereof |
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| CN103514980A (en) * | 2013-10-14 | 2014-01-15 | 扬州新奇特电缆材料有限公司 | Single-face fire-proof mica tape |
| CN103700456A (en) * | 2014-01-02 | 2014-04-02 | 株洲时代电气绝缘有限责任公司 | Mica tape production method without using organic solvent |
| CN103819758A (en) * | 2014-02-26 | 2014-05-28 | 秦荣勤 | Flame-retardant fire-resistant rubber composition and preparation method thereof, and flame-retardant fire-resistant rubber wrapping tape |
| CN105968820A (en) * | 2016-05-30 | 2016-09-28 | 沈兴线缆集团有限公司 | High insulation resistance refractory ceramic rubber for heating cable and preparing method thereof |
| CN106102196A (en) * | 2016-05-30 | 2016-11-09 | 沈兴线缆集团有限公司 | A kind of well rod adds electric heating cable and manufacture method thereof |
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2017
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| CN103198908A (en) * | 2013-04-01 | 2013-07-10 | 株洲时代电气绝缘有限责任公司 | High thermal conductivity epoxy few adhesive mica tape and preparation method of high thermal conductivity epoxy few glue mica tape |
| CN103514980A (en) * | 2013-10-14 | 2014-01-15 | 扬州新奇特电缆材料有限公司 | Single-face fire-proof mica tape |
| CN103700456A (en) * | 2014-01-02 | 2014-04-02 | 株洲时代电气绝缘有限责任公司 | Mica tape production method without using organic solvent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421908A (en) * | 2019-07-17 | 2019-11-08 | 重庆泰山电缆有限公司 | A kind of NEW TYPE OF COMPOSITE fire-resistant isinglass belt and its manufacturing method |
| CN116376432A (en) * | 2023-04-23 | 2023-07-04 | 北京倚天凌云科技股份有限公司 | Color separation coating treatment liquid, coating and ceramic color separation mica tape containing coating |
| CN117417638A (en) * | 2023-10-17 | 2024-01-19 | 合肥华城材料科技有限责任公司 | High-temperature-resistant flame-retardant mica composite organic silicon rubber and preparation method and application thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190425 Address after: No. 38, Dongsheng Road, Pudong New Area, Shanghai, 200120 Applicant after: SHANGHAI KETER POLYMER MATERIAL CO., LTD. Address before: 213000 No. 1699 East South Second Ring Road, Jintan District, Changzhou City, Jiangsu Province Applicant before: Changzhou WellCore Technology Co., Ltd. |
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Application publication date: 20180720 |