CN112646277A - Special material for polypropylene storage battery shell and preparation method thereof - Google Patents
Special material for polypropylene storage battery shell and preparation method thereof Download PDFInfo
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- CN112646277A CN112646277A CN202011558134.7A CN202011558134A CN112646277A CN 112646277 A CN112646277 A CN 112646277A CN 202011558134 A CN202011558134 A CN 202011558134A CN 112646277 A CN112646277 A CN 112646277A
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- polypropylene
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 40
- -1 polypropylene Polymers 0.000 title claims abstract description 40
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- 239000010455 vermiculite Substances 0.000 claims abstract description 19
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 19
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 19
- 239000010456 wollastonite Substances 0.000 claims abstract description 19
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 19
- 230000002745 absorbent Effects 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims abstract description 16
- BZQKBFHEWDPQHD-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-[2-(2,3,4,5,6-pentabromophenyl)ethyl]benzene Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1CCC1=C(Br)C(Br)=C(Br)C(Br)=C1Br BZQKBFHEWDPQHD-UHFFFAOYSA-N 0.000 claims abstract description 14
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 14
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000011257 shell material Substances 0.000 description 15
- 239000000446 fuel Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application discloses a special material for a polypropylene storage battery shell and a preparation method thereof, and the special material comprises the raw materials of polypropylene, PET, zinc stearate, decabromodiphenylethane, BBP, an ultraviolet absorbent, methyl methacrylate, solid paraffin, an antioxidant, vermiculite, nitrile butadiene rubber, GMA, carbon black, wollastonite powder and titanium dioxide; high strength, 25 deg.C notch impact strength 85-95J/m, high resistanceLight aging, the impact strength of 3000h ultraviolet light aging is 5.2-5.6kJ/m2(ii) a The raw materials are cheap, and the tensile strength is 35-45MPa according to GB/T1040 detection; excellent cold resistance, notch impact strength at-20 ℃ of 45-55J/m, flame retardance FV-0 detected according to GB/T2408, elongation of 550-570 percent; the process is simple, does not depend on large-scale instruments and equipment, has high yield and strong corrosion resistance, and can detect the bending strength of 127-139MPa according to GB/T.
Description
Technical Field
The application belongs to the field of preparation of storage battery shell materials, and particularly relates to a special material for a polypropylene storage battery shell and a preparation method thereof.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.
The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel, Natural Gas (NG), Liquefied Petroleum Gas (LPG), Ethanol Gasoline (EG), methanol, dimethyl ether.
The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short. After discharge, the internal active material can be regenerated by charging-electrical energy is stored as chemical energy; chemical energy is converted into electrical energy again when electrical discharge is required. Such batteries are called Storage batteries (batteries), also called secondary batteries. A storage battery is an electrochemical device that stores chemical energy and emits electrical energy when necessary.
Disclosure of Invention
The technical problem to be solved is as follows:
the application aims at the technical problems of low strength, no aging resistance, poor flame retardance and the like of the existing storage battery shell, and provides a special material for a polypropylene storage battery shell and a preparation method thereof.
The technical scheme is as follows:
the material special for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 2-5 parts of PET, 0.4-0.8 part of zinc stearate, 15-25 parts of decabromodiphenylethane, 8-12 parts of BBP, 0.1-0.3 part of ultraviolet absorbent, 6-10 parts of methyl methacrylate, 0.3-0.7 part of solid paraffin, 0.4-0.8 part of antioxidant, 0.3-0.5 part of vermiculite, 5-15 parts of nitrile rubber, 26-5 parts of GMA3, 0.15-0.35 part of carbon black, 1-3 parts of wollastonite powder and 4-6 parts of titanium dioxide.
As a preferred technical scheme of the invention: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 2 parts of PET, 0.4 part of zinc stearate, 15 parts of decabromodiphenylethane, 8 parts of BBP, 0.1 part of ultraviolet absorbent, 6 parts of methyl methacrylate, 0.3 part of solid paraffin, 0.4 part of antioxidant, 0.3 part of vermiculite, 5 parts of nitrile rubber, GMA3 parts of carbon black, 1 part of wollastonite powder and 4 parts of titanium dioxide.
As a preferred technical scheme of the invention: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 5 parts of PET, 0.8 part of zinc stearate, 25 parts of decabromodiphenylethane, 12 parts of BBP, 0.3 part of ultraviolet absorbent, 10 parts of methyl methacrylate, 0.7 part of solid paraffin, 0.8 part of antioxidant, 0.5 part of vermiculite, 15 parts of nitrile rubber, GMA5 parts of carbon black, 3 parts of wollastonite powder and 6 parts of titanium dioxide.
As a preferred technical scheme of the invention: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 3 parts of PET, 0.6 part of zinc stearate, 20 parts of decabromodiphenylethane, 10 parts of BBP, 0.2 part of ultraviolet absorbent, 8 parts of methyl methacrylate, 0.5 part of solid paraffin, 0.6 part of antioxidant, 0.4 part of vermiculite, 10 parts of nitrile rubber, GMA4 parts of carbon black, 2 parts of wollastonite powder and 5 parts of titanium dioxide.
As a preferred technical scheme of the invention: the ultraviolet absorbent adopts UV-9.
As a preferred technical scheme of the invention: the antioxidant is one or more of antioxidant AT-10, antioxidant AT-215, antioxidant 1010 and antioxidant 168.
The preparation method of the material special for the polypropylene storage battery shell comprises the following steps:
the first step is as follows: weighing polypropylene, PET, zinc stearate, decabromodiphenylethane, BBP, an ultraviolet absorbent, methyl methacrylate, solid paraffin, an antioxidant, vermiculite, nitrile rubber, GMA, carbon black, wollastonite powder and titanium dioxide according to the weight part ratio;
the second step is that: grinding carbon black, wollastonite in powder, titanium dioxide and vermiculite at 80-100 ℃ for 8-10min, then adding the rest raw materials, mixing for 40-60min in a mixer at the mixing temperature of 110-;
the third step: and preparing the special material for the polypropylene storage battery shell from the uniformly mixed raw materials under the conditions of an injection temperature of 190-.
Has the advantages that:
compared with the prior art, the special material for the polypropylene storage battery shell and the preparation method thereof have the following technical effects: 1. heat resistance, high strength, 25 deg.C notch impact strength 85-95J/m, light aging resistance, 3000h ultraviolet aging impact strength 5.2-5.6kJ/m2(ii) a 2. The raw materials are cheap, the operation is simple and easy, the stability is good, and the tensile strength is 35-45MPa according to GB/T1040 detection; 3. excellent cold resistance, notch impact strength at-20 ℃ of 45-55J/m, flame retardance FV-0 detected according to GB/T2408, elongation of 550-570 percent; 4. the process is simple, does not depend on large-scale instruments and equipment, has high yield and strong corrosion resistance, and can detect the bending strength of 127-139MPa according to GB/T.
Detailed Description
Example 1:
100 parts of polypropylene, 2 parts of PET, 0.4 part of zinc stearate, 15 parts of decabromodiphenylethane, 8 parts of BBP, 0.1 part of ultraviolet absorbent UV-9, 6 parts of methyl methacrylate, 0.3 part of solid paraffin, 0.4 part of antioxidant AT-10, 0.3 part of vermiculite, 5 parts of nitrile rubber, GMA3 parts, 0.15 part of carbon black, 1 part of wollastonite powder and 4 parts of titanium dioxide are weighed according to the weight part ratio.
Grinding carbon black, wollastonite in powder, titanium dioxide and vermiculite at 80-100 ℃ for 8-10min, adding the rest raw materials, mixing for 40-60min in a mixer at the mixing temperature of 110-120 ℃ to uniformly mix the raw materials.
And preparing the special material for the polypropylene storage battery shell from the uniformly mixed raw materials under the conditions of an injection temperature of 190-.
Example 2:
100 parts of polypropylene, 5 parts of PET, 0.8 part of zinc stearate, 25 parts of decabromodiphenylethane, 12 parts of BBP, 0.3 part of ultraviolet absorbent UV-9, 10 parts of methyl methacrylate, 0.7 part of solid paraffin, 0.8 part of antioxidant AT-215, 0.5 part of vermiculite, 15 parts of nitrile rubber, GMA5 parts, 0.35 part of carbon black, 3 parts of wollastonite powder and 6 parts of titanium dioxide are weighed according to the weight part ratio.
Grinding carbon black, wollastonite in powder, titanium dioxide and vermiculite at 80-100 ℃ for 8-10min, adding the rest raw materials, mixing for 40-60min in a mixer at the mixing temperature of 110-120 ℃ to uniformly mix the raw materials.
And preparing the special material for the polypropylene storage battery shell from the uniformly mixed raw materials under the conditions of an injection temperature of 190-.
Example 3:
100 parts of polypropylene, 3 parts of PET, 0.6 part of zinc stearate, 20 parts of decabromodiphenylethane, 10 parts of BBP, 0.2 part of ultraviolet absorbent UV-9, 8 parts of methyl methacrylate, 0.5 part of solid paraffin, 0.6 part of antioxidant 1010, 0.4 part of vermiculite, 10 parts of nitrile rubber, GMA4 parts, 0.25 part of carbon black, 2 parts of wollastonite powder and 5 parts of titanium dioxide are weighed according to the weight part ratio.
Grinding carbon black, wollastonite in powder, titanium dioxide and vermiculite at 80-100 ℃ for 8-10min, adding the rest raw materials, mixing for 40-60min in a mixer at the mixing temperature of 110-120 ℃ to uniformly mix the raw materials.
And preparing the special material for the polypropylene storage battery shell from the uniformly mixed raw materials under the conditions of an injection temperature of 190-.
Heat resistance, high strength, 25 deg.C notch impact strength 85-95J/m, light aging resistance, 3000h ultraviolet aging impact strength 5.2-5.6kJ/m2(ii) a The raw materials are cheap, the operation is simple and easy, the stability is good, and the tensile strength is 35-45MPa according to GB/T1040 detection; excellent cold resistance, notch impact strength at-20 ℃ of 45-55J/m, flame retardance FV-0 detected according to GB/T2408, elongation of 550-570 percent; the process is simple, does not depend on large-scale instruments and equipment, has high yield and strong corrosion resistance, and can detect the bending strength of 127-139MPa according to GB/T.
All of the components in the above examples are commercially available.
The above-described embodiments are intended to be illustrative, but not limiting, of the present invention, and therefore any changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The material special for the polypropylene storage battery shell is characterized by comprising the following raw materials in parts by weight: 100 parts of polypropylene, 2-5 parts of PET, 0.4-0.8 part of zinc stearate, 15-25 parts of decabromodiphenylethane, 8-12 parts of BBP, 0.1-0.3 part of ultraviolet absorbent, 6-10 parts of methyl methacrylate, 0.3-0.7 part of solid paraffin, 0.4-0.8 part of antioxidant, 0.3-0.5 part of vermiculite, 5-15 parts of nitrile rubber, 26-5 parts of GMA3, 0.15-0.35 part of carbon black, 1-3 parts of wollastonite powder and 4-6 parts of titanium dioxide.
2. The material special for the polypropylene storage battery shell according to claim 1, characterized in that: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 2 parts of PET, 0.4 part of zinc stearate, 15 parts of decabromodiphenylethane, 8 parts of BBP, 0.1 part of ultraviolet absorbent, 6 parts of methyl methacrylate, 0.3 part of solid paraffin, 0.4 part of antioxidant, 0.3 part of vermiculite, 5 parts of nitrile rubber, GMA3 parts of carbon black, 1 part of wollastonite powder and 4 parts of titanium dioxide.
3. The material special for the polypropylene storage battery shell according to claim 1, characterized in that: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 5 parts of PET, 0.8 part of zinc stearate, 25 parts of decabromodiphenylethane, 12 parts of BBP, 0.3 part of ultraviolet absorbent, 10 parts of methyl methacrylate, 0.7 part of solid paraffin, 0.8 part of antioxidant, 0.5 part of vermiculite, 15 parts of nitrile rubber, GMA5 parts of carbon black, 3 parts of wollastonite powder and 6 parts of titanium dioxide.
4. The material special for the polypropylene storage battery shell according to claim 1, characterized in that: the special material for the polypropylene storage battery shell comprises the following raw materials in parts by weight: 100 parts of polypropylene, 3 parts of PET, 0.6 part of zinc stearate, 20 parts of decabromodiphenylethane, 10 parts of BBP, 0.2 part of ultraviolet absorbent, 8 parts of methyl methacrylate, 0.5 part of solid paraffin, 0.6 part of antioxidant, 0.4 part of vermiculite, 10 parts of nitrile rubber, GMA4 parts of carbon black, 2 parts of wollastonite powder and 5 parts of titanium dioxide.
5. The material special for the polypropylene storage battery shell according to claim 1, characterized in that: the ultraviolet absorbent adopts UV-9.
6. The material special for the polypropylene storage battery shell according to claim 1, characterized in that: the antioxidant is one or more of antioxidant AT-10, antioxidant AT-215, antioxidant 1010 and antioxidant 168.
7. A method for preparing the material special for the polypropylene storage battery shell as claimed in claim 1, which is characterized by comprising the following steps:
the first step is as follows: weighing polypropylene, PET, zinc stearate, decabromodiphenylethane, BBP, an ultraviolet absorbent, methyl methacrylate, solid paraffin, an antioxidant, vermiculite, nitrile rubber, GMA, carbon black, wollastonite powder and titanium dioxide according to the weight part ratio;
the second step is that: grinding carbon black, wollastonite in powder, titanium dioxide and vermiculite at 80-100 ℃ for 8-10min, then adding the rest raw materials, mixing for 40-60min in a mixer at the mixing temperature of 110-;
the third step: and preparing the special material for the polypropylene storage battery shell from the uniformly mixed raw materials under the conditions of an injection temperature of 190-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558134.7A CN112646277A (en) | 2020-12-25 | 2020-12-25 | Special material for polypropylene storage battery shell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558134.7A CN112646277A (en) | 2020-12-25 | 2020-12-25 | Special material for polypropylene storage battery shell and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112646277A true CN112646277A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011558134.7A Pending CN112646277A (en) | 2020-12-25 | 2020-12-25 | Special material for polypropylene storage battery shell and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131085A (en) * | 2011-12-02 | 2013-06-05 | 合肥杰事杰新材料股份有限公司 | High-tenacity environment-friendly inflaming retarding polypropylene material and preparation method and application thereof |
| CN104292625A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Accumulator case material and preparation method thereof |
| CN105802117A (en) * | 2016-04-29 | 2016-07-27 | 江苏昇和新材料科技股份有限公司 | Special material for modified ABS new-energy battery jar and preparation method thereof |
| CN108250583A (en) * | 2017-12-01 | 2018-07-06 | 青岛德通纳米技术有限公司 | A kind of heat conductive insulating PP lithium battery casing materials and preparation method thereof |
| CN111592720A (en) * | 2019-05-16 | 2020-08-28 | 骆驼集团塑胶制品有限公司 | Special polypropylene modified material for storage battery shell and preparation method thereof |
-
2020
- 2020-12-25 CN CN202011558134.7A patent/CN112646277A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131085A (en) * | 2011-12-02 | 2013-06-05 | 合肥杰事杰新材料股份有限公司 | High-tenacity environment-friendly inflaming retarding polypropylene material and preparation method and application thereof |
| CN104292625A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Accumulator case material and preparation method thereof |
| CN105802117A (en) * | 2016-04-29 | 2016-07-27 | 江苏昇和新材料科技股份有限公司 | Special material for modified ABS new-energy battery jar and preparation method thereof |
| CN108250583A (en) * | 2017-12-01 | 2018-07-06 | 青岛德通纳米技术有限公司 | A kind of heat conductive insulating PP lithium battery casing materials and preparation method thereof |
| CN111592720A (en) * | 2019-05-16 | 2020-08-28 | 骆驼集团塑胶制品有限公司 | Special polypropylene modified material for storage battery shell and preparation method thereof |
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Application publication date: 20210413 |
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