CN108752745A - A kind of PP composite material and preparation methods of battery pack case - Google Patents
A kind of PP composite material and preparation methods of battery pack case Download PDFInfo
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- CN108752745A CN108752745A CN201810639441.4A CN201810639441A CN108752745A CN 108752745 A CN108752745 A CN 108752745A CN 201810639441 A CN201810639441 A CN 201810639441A CN 108752745 A CN108752745 A CN 108752745A
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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
- 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
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to a kind of PP composite material and preparation methods of battery pack case, parts by weight are weighed to be mixed and stirred for uniformly, obtaining mixture for 70 parts of -80 parts of PP, 20 parts of -30 parts of PBT, 10 parts of -16 parts of treated basalt fibers, 6 parts of -10 parts of boric acid modification magnesium whiskers, 0.1 part of -0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant；Obtained mixture extruding pelletization is to get to PP composite materials.Use the basalt fibre after the ethanol solution infiltration of benzyltrimethylammonium hydroxide, increase the degree of functionality and surface roughness on basalt fibre surface, it is strong with PP basal body interface binding abilities, greatly improve the compatibility of basalt fibre and PP matrixes, improves the physical property of PP composite materials.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly relate to a kind of the PP composite materials and its system of battery pack case
Preparation Method.
Background technology
As the improvement of people's living standards, the exploitation of new energy vehicle increasingly obtains the attention of major automobile main frame maker.
The battery pack case of new energy vehicle is all generally polypropylene glass fiber reinforced materials with material at present, but polypropylene glass fiber reinforced materials
Battery pack case physical property it is insufficient.
The technical program innovation proposes a kind of PP composite materials can be used as new energy vehicle battery pack case, this PP
For the physical property of material compared with current material, physical property is more excellent, this is for the use scope of extension PP composite materials, tool
There is very important realistic meaning.
Invention content
The object of the present invention is to provide a kind of PP composite material and preparation methods of battery pack case, to solve existing skill
The problem of the physical property deficiency of the polypropylene glass fiber reinforced materials of art.
The present invention is achieved by the following technical solutions：
A kind of PP composite materials of battery pack case, it is composed of the following components by weight：
The treated basalt fiber is benzyltrimethylammonium hydroxide treated basalt fiber；The boric acid modification magnesium is brilliant
It must be methane boric acid modification magnesium whisker.
The preparation method of the treated basalt fiber, includes the following steps：
(1) a certain amount of benzyltrimethylammonium hydroxide, ethanol solution are weighed, by benzyltrimethylammonium hydroxide be added to
In ethanol solution, wiring solution-forming A；
(2) basalt fibre in solution A is infiltrated into 2-4h, obtains treated basalt fiber.
The mass ratio of benzyltrimethylammonium hydroxide and ethanol solution in step (1) is (1-3)：(100-120).
A diameter of 10-16nm of basalt fibre in step (2).
The preparation method of the boric acid modification magnesium whisker, includes the following steps：
(1) a certain amount of magnesium borate crystal whisker is weighed, is put into plasma-reaction-chamber；
(2) methane plasma is passed through plasma-reaction-chamber, acts on 2-4h, obtains boric acid modification magnesium whisker.
A diameter of 20-30nm of magnesium borate crystal whisker in step (1).
The compatilizer is SEBS-g-MAH.
The antioxidant is 2,6 di-tert-butyl p-cresol, -2,4,6 three (- 4 hydroxyl benzyl of 3,5 di-t-butyl of 1,3,5 trimethyl
Base) benzene and triphenyl phosphite be composed.
The preparation method of the PP composite materials of any of the above-described battery pack case, includes the following steps：
(1) weigh parts by weight be 70 parts of -80 parts of PP, 20 parts of -30 parts of PBT, 10 parts of -16 parts of treated basalt fibers, 6 parts -
10 parts of boric acid modification magnesium whiskers, 0.1 part of -0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining
Mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to PP composite materials.
The step (2) is specially：The mixture obtained in step (1) is put into the hopper of double screw extruder and is squeezed
Go out to be granulated to get to PP composite materials, wherein the double screw extruder includes six humidity provinces sequentially arranged, area's temperature
170~190 DEG C of degree, two 210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five area's temperature
210~250 DEG C of degree, six 210~250 DEG C of area's temperature, 210~250 DEG C of head temperature；200~260r/min of screw speed.
The beneficial effects of the invention are as follows：
1, the basalt fibre after being infiltrated using the ethanol solution of benzyltrimethylammonium hydroxide, increases basalt fibre
The degree of functionality and surface roughness on surface, it is strong with PP basal body interface binding abilities, greatly improve basalt fibre and PP matrixes
Compatibility, improve the physical property of PP composite materials.
2, it is acted on by methane plasma, reduces the surface energy of magnesium borate crystal whisker, be conducive to magnesium borate crystal whisker in PP
The dispersion of composite material.
3, the PP composite materials of the application have excellent physical property, can be widely applied to major after processing and forming
On the battery case of automobile main frame maker's production, this is with critically important dissemination.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used for explanation and illustration technical scheme of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
Raw material is as follows used in the following embodiment of the application：
PBT (model 2002U), Polyplastics；PP (model Z30S), Maoming Petrochemical；Basalt fibre, the poly- source Black Warrior in Shandong
Rock fiber limited liability company；Glass fibre (model T438H), Taishan glass fiber Ltd；Magnesium borate crystal whisker, Shanghai are triumphant
She Feng Industrial Co., Ltd.s；SEBS-g-MAH, Suzhou Asia match plasticizing Co., Ltd；Antioxidant 264, Jiangsu Ning Kang chemical industry；Antioxygen
Agent 330, Changzhou Xin Ce high molecular materials Co., Ltd；Antioxidant TTP, Yixing angel synthesize Chemical Co., Ltd..
Test equipment used in the following embodiment of the application is as follows：
ZSK30 type double screw extruders, German W&P companies；Mixer, Dalian China Korea Spro's rubber and plastic；JL-1000 type pull tests
Machine, the production of Guangzhou Guang Cai laboratory apparatus company；HTL900-T-5B type injection (mo(u)lding) machines, the life of Hai Tai plastics machineries Co., Ltd
Production；XCJ-500 type shock-testing machines, the production of Chengde testing machine factory；QT-1196 type tester for elongation, the high safe detector of Dongguan City
Device Co., Ltd；QD-GJS-B12K type homogenizers, Beijing perseverance Order instrument and meter Co., Ltd.
The application provides a kind of PP composite materials of battery pack case, composed of the following components by weight：
Treated basalt fiber is benzyltrimethylammonium hydroxide treated basalt fiber；Boric acid modification magnesium whisker is methane
Boric acid modification magnesium whisker.
The preparation method of treated basalt fiber, includes the following steps：
(1) a certain amount of benzyltrimethylammonium hydroxide, ethanol solution are weighed, by benzyltrimethylammonium hydroxide be added to
In ethanol solution, wiring solution-forming A；The mass ratio of benzyltrimethylammonium hydroxide and ethanol solution is (1-3)：(100-120).
(2) basalt fibre in solution A is infiltrated into 2-4h, obtains treated basalt fiber；Basalt fibre it is a diameter of
10-16nm。
The preparation method of boric acid modification magnesium whisker, includes the following steps：
(1) a certain amount of magnesium borate crystal whisker is weighed, is put into plasma-reaction-chamber；
(2) methane plasma is passed through plasma-reaction-chamber, acts on 2-4h, obtains boric acid modification magnesium whisker；Antifungin
A diameter of 20-30nm of whisker.
Compatilizer is SEBS-g-MAH.
Antioxidant is 2,6 di-tert-butyl p-cresol (antioxidant 264), -2,4,6 three (3,5 di-t-butyls-of 1,3,5 trimethyl
4 hydroxybenzyls) benzene (antioxidant 330), triphenyl phosphite (TPP) be composed.
The preparation method of the PP composite materials of any of the above-described battery pack case, includes the following steps：
(1) weigh parts by weight be 70 parts of -80 parts of PP, 20 parts of -30 parts of PBT, 10 parts of -16 parts of treated basalt fibers, 6 parts -
10 parts of boric acid modification magnesium whiskers, 0.1 part of -0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining
Mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to PP composite materials.
Step (2) is specially：The mixture obtained in step (1) is put into the hopper of double screw extruder to squeeze out and be made
Grain is to get to PP composite materials, wherein and double screw extruder includes six humidity provinces sequentially arranged, area's temperature 170~
190 DEG C, two 210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five area's temperature 210~
250 DEG C, six 210~250 DEG C of area's temperature, 210~250 DEG C of head temperature；200~260r/min of screw speed.
Embodiment 1
(1) weigh parts by weight be 70 parts of PP, 20 parts of PBT, 10 parts of treated basalt fibers, 6 parts of boric acid modification magnesium whiskers,
0.1 part of SEBS-g-MAH, 0.1 part of antioxidant 330 are mixed and stirred for uniformly, obtaining mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material P1.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 170 DEG C of area's temperature, two
210 DEG C of area's temperature, three 210 DEG C of area's temperature, four 210 DEG C of area's temperature, five 210 DEG C of area's temperature, six 210 DEG C of area's temperature, head temperature
210℃；Screw speed 200r/min.
Embodiment 2
(1) weigh parts by weight be 80 parts of PP, 30 parts of PBT, 16 parts of treated basalt fibers, 10 parts of boric acid modification magnesium whiskers,
0.3 part of SEBS-g-MAH, 0.1 part of antioxidant 330,0.2 part of antioxidant 264,0.2 part of antioxidant TTP are mixed and stirred for uniformly, obtaining
To mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material P2.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 190 DEG C of area's temperature, two
250 DEG C of area's temperature, three 250 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six 250 DEG C of area's temperature, head temperature
250℃；Screw speed 260r/min.
Embodiment 3
(1) weigh parts by weight be 75 parts of PP, 25 parts of PBT, 13 parts of treated basalt fibers, 8 parts of boric acid modification magnesium whiskers,
0.2 part of SEBS-g-MAH, 0.1 part of antioxidant 330,0.1 part of antioxidant 264,0.1 part of antioxidant TTP are mixed and stirred for uniformly, obtaining
To mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material P3.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 180 DEG C of area's temperature, two
230 DEG C of area's temperature, three 230 DEG C of area's temperature, four 230 DEG C of area's temperature, five 230 DEG C of area's temperature, six 230 DEG C of area's temperature, head temperature
230℃；Screw speed 230r/min.
Embodiment 4
(1) weigh parts by weight be 80 parts of PP, 28 parts of PBT, 15 parts of treated basalt fibers, 9 parts of boric acid modification magnesium whiskers,
0.1 part of SEBS-g-MAH, 0.2 part of antioxidant 330,0.2 part of antioxidant 264,0.1 part of antioxidant TTP are mixed and stirred for uniformly, obtaining
To mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material P4.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 185 DEG C of area's temperature, two
235 DEG C of area's temperature, three 235 DEG C of area's temperature, four 235 DEG C of area's temperature, five 235 DEG C of area's temperature, six 235 DEG C of area's temperature, head temperature
235℃；Screw speed 235r/min.
Embodiment 5
(1) weigh parts by weight be 77 parts of PP, 24 parts of PBT, 12 parts of treated basalt fibers, 7 parts of boric acid modification magnesium whiskers,
0.2 part of SEBS-g-MAH, 0.1 part of antioxidant 330,0.2 part of antioxidant 264,0.1 part of antioxidant TTP are mixed and stirred for uniformly, obtaining
To mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material P5.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 175 DEG C of area's temperature, two
215 DEG C of area's temperature, three 215 DEG C of area's temperature, four 215 DEG C of area's temperature, five 215 DEG C of area's temperature, six 215 DEG C of area's temperature, head temperature
215℃；Screw speed 250r/min.
Comparative example 1
(1) it is 75 parts of PP, 20 parts of glass fibres, 0.2 part of SEBS-g-MAH, 0.1 part of antioxidant 330,0.2 to weigh parts by weight
Part antioxidant 264,0.1 part of antioxidant TTP are mixed and stirred for uniformly, obtaining mixture；
(2) mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PP
Composite material D1.
Each area's temperature of double screw extruder and screw speed wherein in step (2) are respectively；One 185 DEG C of area's temperature, two
215 DEG C of area's temperature, three 215 DEG C of area's temperature, four 215 DEG C of area's temperature, five 215 DEG C of area's temperature, six 215 DEG C of area's temperature, head temperature
215℃；Screw speed 250r/min.
Batten test, test data is made with injection molding machine in PP composite materials prepared by above-described embodiment 1-5 and comparative example 1
Such as following table：
It can be seen that by data comparison, PP composite materials produced by the present invention are compared compared with PP in comparative example, and physical property obtains
Certain raising is arrived, this has very real meaning for the application field of extension PP composite materials.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (10)
1. a kind of PP composite materials of battery pack case, which is characterized in that composed of the following components by weight：
The treated basalt fiber is benzyltrimethylammonium hydroxide treated basalt fiber；The boric acid modification magnesium whisker is
Methane boric acid modification magnesium whisker.
2. the PP composite materials of battery pack case according to claim 1, which is characterized in that the treated basalt fiber
Preparation method, include the following steps：
(1) a certain amount of benzyltrimethylammonium hydroxide, ethanol solution are weighed, benzyltrimethylammonium hydroxide is added to ethyl alcohol
In solution, wiring solution-forming A；
(2) basalt fibre in solution A is infiltrated into 2-4h, obtains treated basalt fiber.
3. the PP composite materials of battery pack case according to claim 2, which is characterized in that the benzyl three in step (1)
The mass ratio of ammonium hydroxide and ethanol solution is (1-3)：(100-120).
4. the PP composite materials of battery pack case according to claim 2, which is characterized in that basalt is fine in step (2)
A diameter of 10-16nm of dimension.
5. the PP composite materials of battery pack case according to claim 1, which is characterized in that the boric acid modification magnesium whisker
Preparation method, include the following steps：
(1) a certain amount of magnesium borate crystal whisker is weighed, is put into plasma-reaction-chamber；
(2) methane plasma is passed through plasma-reaction-chamber, acts on 2-4h, obtains boric acid modification magnesium whisker.
6. the PP composite materials of battery pack case according to claim 5, which is characterized in that the antifungin in step (1)
A diameter of 20-30nm of whisker.
7. the PP composite materials of battery pack case according to claim 1, which is characterized in that the compatilizer is SEBS-
g-MAH。
8. the PP composite materials of battery pack case according to claim 1, which is characterized in that the antioxidant is 2,6 two
Butylated Hydroxytoluene, -2,4,6 three (- 4 hydroxybenzyl of 3,5 di-t-butyl) benzene of 1,3,5 trimethyl and triphenyl phosphite combination and
At.
9. the preparation method of the PP composite materials of any one of the claims 1 to 8 battery pack case, which is characterized in that packet
Include following steps：
(1) weigh parts by weight be 70 parts of -80 parts of PP, 20 parts of -30 parts of PBT, 10 parts of -16 parts of treated basalt fibers, 6 parts -10 parts
Boric acid modification magnesium whisker, 0.1 part of -0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, being mixed
Material；
(2) by the mixture extruding pelletization obtained in step (1) to get to PP composite materials.
10. the preparation method of the PP composite materials of battery pack case according to claim 9, which is characterized in that the step
Suddenly (2) are specially：The mixture obtained in step (1) is put into the hopper of double screw extruder extruding pelletization to get to
PP composite materials, wherein the double screw extruder includes six humidity provinces sequentially arranged, 170~190 DEG C of area's temperature,
Two 210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five 210~250 DEG C of area's temperature,
Six 210~250 DEG C of area's temperature, 210~250 DEG C of head temperature；200~260r/min of screw speed.
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| CN201810639441.4A CN108752745A (en) | 2018-06-20 | 2018-06-20 | A kind of PP composite material and preparation methods of battery pack case |
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| CN201810639441.4A CN108752745A (en) | 2018-06-20 | 2018-06-20 | A kind of PP composite material and preparation methods of battery pack case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121972A (en) * | 2019-12-30 | 2021-07-16 | 江苏派锐电子有限公司 | Novel easy-heat-dissipation anti-aging electronic component plastic shell material |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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