CN112852077B - 压电复合材料薄膜及其制造方法及压电式扬声器 - Google Patents
压电复合材料薄膜及其制造方法及压电式扬声器 Download PDFInfo
- Publication number
- CN112852077B CN112852077B CN202110043509.4A CN202110043509A CN112852077B CN 112852077 B CN112852077 B CN 112852077B CN 202110043509 A CN202110043509 A CN 202110043509A CN 112852077 B CN112852077 B CN 112852077B
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- China
- Prior art keywords
- film
- trifluoroethylene
- vinylidene fluoride
- piezoelectric
- poly
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- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 46
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 46
- XLOFNXVVMRAGLZ-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2-trifluoroethene Chemical group FC(F)=C.FC=C(F)F XLOFNXVVMRAGLZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229920000131 polyvinylidene Polymers 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims abstract description 15
- 230000010287 polarization Effects 0.000 claims abstract description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 7
- 125000003277 amino group Chemical group 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 23
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims description 10
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical group FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 150000001408 amides Chemical class 0.000 claims description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 125000000468 ketone group Chemical group 0.000 claims 1
- 239000010408 film Substances 0.000 description 89
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 14
- 239000002033 PVDF binder Substances 0.000 description 12
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 239000010409 thin film Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- 150000002576 ketones Chemical group 0.000 description 3
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- -1 DAA) Chemical compound 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical class OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 229940113088 dimethylacetamide Drugs 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Carbon And Carbon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043509.4A CN112852077B (zh) | 2021-01-13 | 2021-01-13 | 压电复合材料薄膜及其制造方法及压电式扬声器 |
TW110101689A TWI789685B (zh) | 2021-01-13 | 2021-01-15 | 壓電複合材料薄膜及其製造方法及壓電式揚聲器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043509.4A CN112852077B (zh) | 2021-01-13 | 2021-01-13 | 压电复合材料薄膜及其制造方法及压电式扬声器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112852077A CN112852077A (zh) | 2021-05-28 |
CN112852077B true CN112852077B (zh) | 2023-10-27 |
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Family Applications (1)
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CN202110043509.4A Active CN112852077B (zh) | 2021-01-13 | 2021-01-13 | 压电复合材料薄膜及其制造方法及压电式扬声器 |
Country Status (2)
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CN (1) | CN112852077B (zh) |
TW (1) | TWI789685B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115231565A (zh) * | 2022-06-29 | 2022-10-25 | 安徽宇航派蒙健康科技股份有限公司 | 氟化石墨烯导热膜及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101591461A (zh) * | 2009-06-24 | 2009-12-02 | 四川大学 | 无铅压电陶瓷-聚合物压电复合材料及其制备方法 |
JP2012082378A (ja) * | 2010-05-25 | 2012-04-26 | Ideal Star Inc | フッ化ビニリデンとトリフルオロエチレン共重合体とカーボンナノチューブとのブレンド配向膜及びその製造方法 |
CN108530806A (zh) * | 2018-04-08 | 2018-09-14 | 北京科技大学 | 具有高输出的双层结构柔性压电薄膜及其制备和应用方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2918067B1 (fr) * | 2007-06-27 | 2011-07-01 | Arkema France | Materiau composite comprenant des nanotubes disperses dans une matrice polymerique fluroree. |
CN103788550B (zh) * | 2014-01-08 | 2016-04-20 | 重庆大学 | 一种pvdf-hfp/cb压电复合材料薄膜和该薄膜的制备方法 |
KR102391311B1 (ko) * | 2017-07-07 | 2022-04-26 | 엘지디스플레이 주식회사 | 필름 스피커 및 이를 포함하는 표시 장치 |
TWI715212B (zh) * | 2019-09-25 | 2021-01-01 | 華一聲學股份有限公司 | 具有薄膜發聲元件的可撓性電子組件及其電子裝置 |
-
2021
- 2021-01-13 CN CN202110043509.4A patent/CN112852077B/zh active Active
- 2021-01-15 TW TW110101689A patent/TWI789685B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101591461A (zh) * | 2009-06-24 | 2009-12-02 | 四川大学 | 无铅压电陶瓷-聚合物压电复合材料及其制备方法 |
JP2012082378A (ja) * | 2010-05-25 | 2012-04-26 | Ideal Star Inc | フッ化ビニリデンとトリフルオロエチレン共重合体とカーボンナノチューブとのブレンド配向膜及びその製造方法 |
CN108530806A (zh) * | 2018-04-08 | 2018-09-14 | 北京科技大学 | 具有高输出的双层结构柔性压电薄膜及其制备和应用方法 |
Non-Patent Citations (4)
Title |
---|
Enhanced Piezoelectric Properties of Poly(Vinylidenefluoride-Co-Trifluoroethylene)/Carbon-Based Nanomaterial Composite Films for Pressure Sensing Applications;Jia-Wun Li等;《Polymer》;20201216;第1-17页 * |
多壁碳纳米管/高分子基纳米复合材料应变传感特性研究;赵朝阳;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20180815(第8期);B020-53 * |
碳纳米管、碳纤维表面改性及MWCNTs/P(VDF-TrFE)复合材料性能研究;魏楠;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20110615(第6期);B020-54 * |
贾红兵等.PVDF.《高分子材料》.南京大学出版社,2009,第176页. * |
Also Published As
Publication number | Publication date |
---|---|
TWI789685B (zh) | 2023-01-11 |
CN112852077A (zh) | 2021-05-28 |
TW202227550A (zh) | 2022-07-16 |
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Effective date of registration: 20240111 Address after: 518109, Building E4, 101, Foxconn Industrial Park, No. 2 East Ring 2nd Road, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province (formerly Building 1, 1st Floor, G2 District), H3, H1, and H7 factories in K2 District, North Shenchao Optoelectronic Technology Park, Minqing Road, Guangdong Province Patentee after: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee after: Interface Technology (Chengdu) Co., Ltd. Patentee after: GENERAL INTERFACE SOLUTION Ltd. Address before: No.689 Hezuo Road, West District, high tech Zone, Chengdu City, Sichuan Province Patentee before: Interface Technology (Chengdu) Co., Ltd. Patentee before: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee before: Yicheng Photoelectric (Wuxi) Co.,Ltd. Patentee before: GENERAL INTERFACE SOLUTION Ltd. |