DE3786290D1 - Akustischer vibrationsfilm und dafuer geeignete polypropylenzusammensetzung. - Google Patents

Akustischer vibrationsfilm und dafuer geeignete polypropylenzusammensetzung.

Info

Publication number
DE3786290D1
DE3786290D1 DE8787102030T DE3786290T DE3786290D1 DE 3786290 D1 DE3786290 D1 DE 3786290D1 DE 8787102030 T DE8787102030 T DE 8787102030T DE 3786290 T DE3786290 T DE 3786290T DE 3786290 D1 DE3786290 D1 DE 3786290D1
Authority
DE
Germany
Prior art keywords
polypropylene composition
vibration film
acoustic vibration
suitable polypropylene
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8787102030T
Other languages
English (en)
Other versions
DE3786290T2 (de
Inventor
Tsutomu Moteki
Kunihiro Yamaguchi
Hisao Ilzuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JNC Corp
Original Assignee
Chisso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chisso Corp filed Critical Chisso Corp
Publication of DE3786290D1 publication Critical patent/DE3786290D1/de
Application granted granted Critical
Publication of DE3786290T2 publication Critical patent/DE3786290T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE87102030T 1986-03-05 1987-02-13 Akustischer Vibrationsfilm und dafür geeignete Polypropylenzusammensetzung. Expired - Fee Related DE3786290T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61047930A JPS62205147A (ja) 1986-03-05 1986-03-05 音響振動板及び音響振動板用ポリプロピレン組成物

Publications (2)

Publication Number Publication Date
DE3786290D1 true DE3786290D1 (de) 1993-07-29
DE3786290T2 DE3786290T2 (de) 1993-11-18

Family

ID=12789086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87102030T Expired - Fee Related DE3786290T2 (de) 1986-03-05 1987-02-13 Akustischer Vibrationsfilm und dafür geeignete Polypropylenzusammensetzung.

Country Status (5)

Country Link
US (1) US4761451A (de)
EP (1) EP0241667B1 (de)
JP (1) JPS62205147A (de)
KR (1) KR910000943B1 (de)
DE (1) DE3786290T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63195000A (ja) * 1987-02-10 1988-08-12 株式会社ブンチヨウ 消しゴム
DE3711077A1 (de) * 1987-04-02 1988-10-13 Frenzelit Werke Gmbh & Co Kg Asbestfreier werkstoff zur verwendung als dicht-, daempf- und/oder trennelement
SE466312B (sv) * 1987-05-11 1992-01-27 Tetra Pak Holdings Sa Behaallarlock med aaterfoerslutbar oeppningsanordning innefattande en polyolefin och oorganiskt fyllmedel
JPH02219844A (ja) * 1989-02-21 1990-09-03 Sumitomo Chem Co Ltd ゴム変性スチレン系樹脂組成物
US5342862A (en) * 1990-03-13 1994-08-30 Biolan Corporation Process for controlling the photodegradation of mulch film
US5256734A (en) * 1991-02-15 1993-10-26 Mitsui Toatsu Chemicals, Inc. Polypropylene resin composition and method for manufacturing coated molded article of the resin composition
US5369174A (en) * 1992-04-02 1994-11-29 Phillips Petroleum Company Blends for enhancing properties of vinyl aromatic-conjugated diene block copolymers
JPH0629297U (ja) * 1992-08-29 1994-04-15 大日化成工業株式会社 スピーカー用振動板
US5358344A (en) * 1992-09-01 1994-10-25 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches
US5422447A (en) * 1992-09-01 1995-06-06 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch
CN1050259C (zh) * 1996-08-21 2000-03-08 黄新民 喇叭音盆的制造方法及其结构
US6359068B1 (en) * 1998-02-18 2002-03-19 3M Innovative Properties Company High-friction polymer blends comprising polypropylene and thermoplastic block copolymers
US6060009A (en) * 1998-02-18 2000-05-09 3M Innovative Properties Company Method of laminate formation
US6590993B2 (en) * 1999-09-06 2003-07-08 Koninklijke Philips Electronics N.V. Panel-shaped loudspeaker
US6172144B1 (en) * 1999-09-13 2001-01-09 Amonollah Yekani Process and composition for producing articles from rice hulls
US20020161072A1 (en) * 2001-01-22 2002-10-31 Philip Jacoby Wood fiber-filled polypropylene
KR100418529B1 (ko) * 2001-01-31 2004-02-11 채종희 자동차 매트용 열가소성 스티렌/부타디엔/스티렌 조성물 및 그의 제조방법
US8071681B2 (en) 2004-08-13 2011-12-06 Exxonmobil Chemical Patents Inc. Polymeric compositions including their uses and methods of production
US20080212800A1 (en) * 2005-04-20 2008-09-04 Yoshimichi Kajihara Diaphragm for Speaker, Method for Producing Same, Speaker Using Such Diaphragm, and Apparatus Using Such Speaker
CN101091413B (zh) * 2005-04-20 2012-10-17 松下电器产业株式会社 扬声器用振动膜及其制造方法、使用该振动膜的扬声器及使用该扬声器的设备
KR101139877B1 (ko) * 2011-11-04 2012-05-02 한일화학고무공업(주) 사출성형으로 콘지와 에지가 일체화된 스피커용 진동판
CN105637900A (zh) * 2013-10-11 2016-06-01 奥地利依索沃尔塔股份公司 制备用于扬声器振膜或麦克风振膜的膜的方法
US10150858B2 (en) 2014-02-11 2018-12-11 Flint Hills Resources, Lp Blended compositions, methods for making same, and articles made therefrom
CN107793599B (zh) * 2017-11-02 2019-11-22 株洲时代新材料科技股份有限公司 一种橡胶材料、其制备方法以及包含其的声呐导流罩壳板
CN110784805A (zh) * 2019-10-31 2020-02-11 歌尔股份有限公司 一种用于微型发声装置的振膜及微型发声装置
CN112511957A (zh) * 2020-11-02 2021-03-16 歌尔股份有限公司 用于发声装置的振动板及发声装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131745A (ja) * 1974-09-11 1976-03-18 Sumitomo Chemical Co Netsukasoseijushisoseibutsu
IT1167711B (it) * 1981-03-12 1987-05-13 Montefina Sa Laminato coestruso consistente in almeno un foglio di materiale polimerico a base di polistirene antiurto
JPS57154994A (en) * 1981-03-20 1982-09-24 Kuraray Co Ltd Sound diaphragm
JPS583499A (ja) * 1981-06-30 1983-01-10 Kuraray Co Ltd 音響振動板
JPS57192447A (en) * 1981-05-23 1982-11-26 Nippon Steel Chem Co Ltd Production of pearlescent thermoplastic resin product
JPS5853560A (ja) * 1981-09-28 1983-03-30 Nippon Plast Co Ltd ステアリングホイ−ル
US4471085A (en) * 1982-03-08 1984-09-11 Matsushita Electric Industrial Co., Ltd. Diaphragm material for loudspeakers
JPS58187442A (ja) * 1982-04-28 1983-11-01 Asahi Chem Ind Co Ltd ポリオレフィン系重合体組成物
JPS5922948A (ja) * 1982-07-06 1984-02-06 Chisso Corp シ−ト用ポリプロピレン系樹脂組成物
JPS59149939A (ja) * 1983-02-16 1984-08-28 Mitsui Petrochem Ind Ltd ポリプロピレン組成物
JPS60133039A (ja) * 1983-12-21 1985-07-16 Mitsubishi Petrochem Co Ltd オレフィン重合体系二次加工用シート
JPS60202144A (ja) * 1984-03-27 1985-10-12 Sumitomo Chem Co Ltd ポリプロピレン樹脂組成物
JPH1095056A (ja) * 1996-09-24 1998-04-14 Totani Giken Kogyo Kk 製袋機のカッタ駆動装置

Also Published As

Publication number Publication date
EP0241667A3 (en) 1990-02-14
JPS62205147A (ja) 1987-09-09
KR910000943B1 (ko) 1991-02-19
DE3786290T2 (de) 1993-11-18
US4761451A (en) 1988-08-02
KR870008944A (ko) 1987-10-22
EP0241667B1 (de) 1993-06-23
EP0241667A2 (de) 1987-10-21
JPH0513182B2 (de) 1993-02-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee