CN104387763B - The fire-retardant sealing ring of lithium ion battery - Google Patents
The fire-retardant sealing ring of lithium ion battery Download PDFInfo
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- CN104387763B CN104387763B CN201410725122.7A CN201410725122A CN104387763B CN 104387763 B CN104387763 B CN 104387763B CN 201410725122 A CN201410725122 A CN 201410725122A CN 104387763 B CN104387763 B CN 104387763B
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention belongs to lithium ion battery appurtenances technical field, and in particular to a kind of fire-retardant sealing ring of lithium ion battery；The sealing ring is formulated including following raw materials according according to parts by weight：8~12 parts of 6 100 parts of nylon, 5~10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch is formulated including following raw materials according according to parts by weight：0.13 part of 68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES；With environmentally friendly, cheap, Physical Mechanical and the superior advantage of anti-flammability.
Description
Technical field
The invention belongs to lithium ion battery appurtenances technical field, and in particular to a kind of lithium ion battery is with fire-retardant sealing
Circle.
Background technology
Cylindrical lithium ion battery sealing ring uses the particularity of organic electrolyte due to its inside battery, it is therefore desirable to seal
Circle should also have anti-flammability while possessing excellent physical and mechanical properties, and current cylindrical lithium ion battery sealing ring is used
Material mainly have nylon and fire-retardant sealing ring, using nylon there is superior physical and mechanical properties to be determined mainly due to it
, but the situation of burning occurs in the case where battery is abused, therefore make using organic electrolyte etc. in lithium ion battery
Huge potential safety hazard is there is with nylon；When using fire-retardant sealing ring, such as fluoroplastics, although solve fire-retardant ask
Topic, but its physical and mechanical properties, while purchase cost is high.
The content of the invention
It is an object of the invention to overcome defect of the prior art, and provide it is a kind of have environmental protection characteristic, it is cheap,
Physical Mechanical and the fire-retardant sealing ring of the superior lithium ion battery of anti-flammability.
The object of the present invention is achieved like this：The sealing ring is formulated including following raw materials according according to parts by weight：Buddhist nun
8~12 parts of 6 100 parts of dragon, 5~10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch includes following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
A kind of fire-retardant sealing ring of lithium ion battery, described sealing ring includes following raw materials according according to parts by weight preparation
Into：12 parts of 6 100 parts of nylon, 5 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch is pressed including following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
A kind of fire-retardant sealing ring of lithium ion battery, described sealing ring includes following raw materials according according to parts by weight preparation
Into：8 parts of 6 100 parts of nylon, 10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch is pressed including following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
A kind of fire-retardant sealing ring of lithium ion battery, described sealing ring includes following raw materials according according to parts by weight preparation
Into：10.6 parts of 6 100 parts of nylon, 9 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch includes following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
A kind of fire-retardant sealing ring of lithium ion battery, described sealing ring includes following raw materials according according to parts by weight preparation
Into：10.6 parts of 6 100 parts of nylon, 8.3 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch includes following original
Material is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and vinyl triethoxyl silicon
0.13 part of alkane.
The raw material of the present invention is drawn by substantial amounts of theoretical research and with the final screening of practice combination, and above-mentioned raw materials
And additive asepsis environment-protecting, environment and body are had no adverse effects, and do not produce poisonous and harmful environment and body after burning
Gas and soot dust granule.Wherein, nylon 6 has pliability good, and tear resistance is strong, the features such as oil resistant antidetonation, and high suitable for making
Pressure pad circle, sealing ring etc..Red phosphorus is a kind of novel environment friendly fire retardant having many uses, and it can be used as a variety of polymerizations such as epoxy resin
Thing fire retardant, lacks and the good feature of effect with consumption.Triphenyl phosphate has low volatility, melts low boiling point and good electric spy
Property, when battery system temperature rises, triphenyl phosphate is in rapidly free state, enhances the anti-flammability of battery system.It is poly-
Tetrafluoroethene has good anti-flammability, because its limited oxygen index may be up to 95%, that is to say, that it needs 95% oxygen
Flame just can be lighted and kept, stretching for flame can be effectively prevented.VTES can prevent additive from existing
Separated out under high temperature, and flame-retardant master batch is had uniform dispersiveness.
Further performance test is carried out to the sealing ring being made up of the present invention, its performance and fire resistance are as follows：
1st, identical injecting condition injection fire-retardant nylon plastics, then determine its tensile strength, elongation, air-tightness, anti-flammability.2nd, prepare
Organic solvent：Ethylene carbonate, dimethyl carbonate are mixed to get organic solvent by 1: 1 mass ratio.3rd, according in lithium ion battery
Portion's material inflammable constituent, is made fire-retardant nylon compounding compound, determines oxygen index (OI), its method is：Hollow pipe combustion nylon plastic(s) is prepared,
Make it is hollow in fill it up with suction organic solvent polyethylene nonwoven when, the mass ratio of organic solvent and fire-retardant nylon：1∶2∶2.
Its performance parameter such as following table：
As seen from the above table：The present invention for the fire retardant of flame-retardant master batch there is excellent flame-retarding characteristic to ensure lithium ion battery
It will not be burnt when running into emergency case, be improved lithium ion battery safety performance.And the good tension of itself is strong
Degree, elongation and airtight sex index can meet lithium ion battery production and use needs.Above-mentioned raw materials it is cheap, it is easy to
Buying, therefore can effectively reduce the fire-retardant cost of lithium ion battery.
The present invention has environmentally friendly, cheap, Physical Mechanical and the superior advantage of anti-flammability.
Embodiment
The present invention is the fire-retardant sealing ring of lithium ion battery, and the present invention is carried out furtherly in conjunction with specific embodiment
It is bright.Specific embodiment is as follows：
Embodiment one
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
8 parts of 6 100 parts of nylon, 5 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch includes following raw materials according according to weight
Amount number is formulated：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES 0.13
Part.
Embodiment two
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
10 parts of 6 100 parts of nylon, 7.5 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch is pressed including following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
Embodiment three
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
12 parts of 6 100 parts of nylon, 10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch include following raw materials according according to
Parts by weight are formulated：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES 0.13
Part.
Example IV
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
12 parts of 6 100 parts of nylon, 5 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch include following raw materials according according to
Parts by weight are formulated：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES 0.13
Part.
Embodiment five
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
8 parts of 6 100 parts of nylon, 10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch include following raw materials according according to
Parts by weight are formulated：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES 0.13
Part.
Embodiment six
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
10.6 parts of 6 100 parts of nylon, 9 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch is pressed including following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
Embodiment seven
A kind of fire-retardant sealing ring of lithium ion battery, the sealing ring is formulated including following raw materials according according to parts by weight：
10.6 parts of 6 100 parts of nylon, 8.3 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch includes following raw materials according
It is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and VTES
0.13 part.
Above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.For institute
For the general technical staff in category field, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments, and the obvious change or change thus amplified out
Among moving still in the invention scope of the claims.
The production technology of the present invention is that, by nylon 6, polytetrafluoroethylene (PTFE), red phosphorus and VTES use mixing
Machine is mixed, and the temperature of mixing is：230~260 DEG C, the time of mixing is 10~15min, is granulated after cooling, obtains environmentally friendly resistance
Fire masterbatch.Above-mentioned environmental protection flame retardant masterbatch and nylon 6, triphenyl phosphate are put into extruder charging basket, at 260~290 DEG C
At a temperature of injection molding, control barrel zone temperature can not be too high as far as possible, injection speed can not be too fast, to avoid because sizing material temperature is too high
And decompose and cause product to change colour and mechanical properties decrease.
Claims (5)
1. a kind of fire-retardant sealing ring of lithium ion battery, it is characterised in that：The sealing ring is matched somebody with somebody by following raw materials according according to parts by weight
System is formed：8~12 parts of 6 100 parts of nylon, 5~10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The environmental protection flame retardant masterbatch by
Following raw materials according is formulated according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), 1.5 parts of red phosphorus and vinyl three
0.13 part of Ethoxysilane.
2. the fire-retardant sealing ring of lithium ion battery according to claim 1, it is characterised in that：The described sealing ring is by following
Raw material is formulated according to parts by weight：12 parts of 6 100 parts of nylon, 5 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The ring
Environment friendly flame-retardant masterbatch is formulated by following raw materials according according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), red phosphorus 1.5
0.13 part of part and VTES.
3. the fire-retardant sealing ring of lithium ion battery according to claim 1, it is characterised in that：The described sealing ring is by following
Raw material is formulated according to parts by weight：8 parts of 6 100 parts of nylon, 10 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；The ring
Environment friendly flame-retardant masterbatch is formulated by following raw materials according according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), red phosphorus 1.5
0.13 part of part and VTES.
4. the fire-retardant sealing ring of lithium ion battery according to claim 1, it is characterised in that：The described sealing ring is by following
Raw material is formulated according to parts by weight：10.6 parts of 6 100 parts of nylon, 9 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；It is described
Environmental protection flame retardant masterbatch is formulated by following raw materials according according to parts by weight：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), red phosphorus
1.5 parts and 0.13 part of VTES.
5. the fire-retardant sealing ring of lithium ion battery according to claim 1, it is characterised in that：The described sealing ring is by following
Raw material is formulated according to parts by weight：10.6 parts of 6 100 parts of nylon, 8.3 parts of triphenyl phosphate and environmental protection flame retardant masterbatch；Institute
Environmental protection flame retardant masterbatch is stated to be formulated according to parts by weight by following raw materials according：68 parts of nylon, 0.45 part of polytetrafluoroethylene (PTFE), red phosphorus
1.5 parts and 0.13 part of VTES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725122.7A CN104387763B (en) | 2014-11-26 | 2014-11-26 | The fire-retardant sealing ring of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725122.7A CN104387763B (en) | 2014-11-26 | 2014-11-26 | The fire-retardant sealing ring of lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104387763A CN104387763A (en) | 2015-03-04 |
| CN104387763B true CN104387763B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725122.7A Active CN104387763B (en) | 2014-11-26 | 2014-11-26 | The fire-retardant sealing ring of lithium ion battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106910850A (en) * | 2017-03-29 | 2017-06-30 | 东华大学 | Safety-type electrokinetic cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4478294B2 (en) * | 2000-06-02 | 2010-06-09 | ポリプラスチックス株式会社 | Flame retardant resin composition |
| CN100463934C (en) * | 2006-02-23 | 2009-02-25 | 广州金发科技股份有限公司 | Continuous long fiber reinforced fire-retardant thermoplastic resin and its prepn |
| CN101659787B (en) * | 2009-09-14 | 2011-05-04 | 浙江工业大学 | Special material of high-strength flame-retardant reinforced nylon 6 and preparation method thereof |
| CN102363671A (en) * | 2011-06-30 | 2012-02-29 | 深圳市科聚新材料有限公司 | Flame-retardant master batch for nylon carrier and preparation method thereof |
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Effective date of registration: 20200820 Address after: 453600 South District, 5 / F, comprehensive R & D building, torch Park, high tech Zone, Xinxiang City, Henan Province Patentee after: Henan wanchuang Technology Service Co.,Ltd. Address before: 453003 No. 699 Pingyuan Road, Henan, Xinxiang Patentee before: HENAN MECHANICAL AND ELECTRICAL ENGINEERING College |
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Effective date of registration: 20221228 Address after: No. 8, Kangzheng Road, Longchi Street, Liuhe District, Nanjing, Jiangsu 210000 Patentee after: Jiangsu Boulder Technology Co.,Ltd. Address before: Building 455, Xinhuo District, Xinhuo Township, Henan Province Patentee before: Henan wanchuang Technology Service Co.,Ltd. |