JPH0513182B2 - - Google Patents

Info

Publication number
JPH0513182B2
JPH0513182B2 JP61047930A JP4793086A JPH0513182B2 JP H0513182 B2 JPH0513182 B2 JP H0513182B2 JP 61047930 A JP61047930 A JP 61047930A JP 4793086 A JP4793086 A JP 4793086A JP H0513182 B2 JPH0513182 B2 JP H0513182B2
Authority
JP
Japan
Prior art keywords
polypropylene
present
composition
value
weight
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 - Lifetime
Application number
JP61047930A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62205147A (ja
Inventor
Tsutomu Mogi
Kunihiro Yamaguchi
Hisao Iizuka
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
Priority to JP61047930A priority Critical patent/JPS62205147A/ja
Priority to KR1019870000100A priority patent/KR910000943B1/ko
Priority to US07/013,882 priority patent/US4761451A/en
Priority to DE87102030T priority patent/DE3786290T2/de
Priority to EP87102030A priority patent/EP0241667B1/en
Publication of JPS62205147A publication Critical patent/JPS62205147A/ja
Publication of JPH0513182B2 publication Critical patent/JPH0513182B2/ja
Granted 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)
JP61047930A 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 Granted JPS62205147A (ja)

Priority Applications (5)

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
KR1019870000100A KR910000943B1 (ko) 1986-03-05 1987-01-09 음향 진동판 및 음향 진동판용 폴리프로필렌 조성물
US07/013,882 US4761451A (en) 1986-03-05 1987-02-12 Acoustic vibration sheet and polypropylene composition for the same
DE87102030T DE3786290T2 (de) 1986-03-05 1987-02-13 Akustischer Vibrationsfilm und dafür geeignete Polypropylenzusammensetzung.
EP87102030A EP0241667B1 (en) 1986-03-05 1987-02-13 Acoustic vibration sheet and polypropylene composition for the same

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
JPS62205147A JPS62205147A (ja) 1987-09-09
JPH0513182B2 true JPH0513182B2 (en]) 1993-02-19

Family

ID=12789086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61047930A Granted 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

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107793599A (zh) * 2017-11-02 2018-03-13 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

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
US5422447A (en) * 1992-09-01 1995-06-06 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch
US5358344A (en) * 1992-09-01 1994-10-25 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches
CN1050259C (zh) * 1996-08-21 2000-03-08 黄新民 喇叭音盆的制造方法及其结构
US6060009A (en) * 1998-02-18 2000-05-09 3M Innovative Properties Company Method of laminate formation
US6359068B1 (en) * 1998-02-18 2002-03-19 3M Innovative Properties Company High-friction polymer blends comprising polypropylene and thermoplastic block copolymers
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
SG155215A1 (en) * 2004-08-13 2009-09-30 Exxonmobil Chem Patents Inc Polymeric compositions including their uses and methods of production
WO2006114980A1 (ja) * 2005-04-20 2006-11-02 Matsushita Electric Industrial Co., Ltd. スピーカ用振動板とその製造方法、この振動板を用いたスピーカおよびこのスピーカを用いた機器
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
KR101139877B1 (ko) * 2011-11-04 2012-05-02 한일화학고무공업(주) 사출성형으로 콘지와 에지가 일체화된 스피커용 진동판
EP3056024A1 (de) * 2013-10-11 2016-08-17 Isovolta AG Verfahren zur herstellung einer folie für eine lautsprecher-membran oder eine mikrophon-membran
WO2015123334A1 (en) 2014-02-11 2015-08-20 Flint Hills Resources, Lp Blended compositions, methods for making same, and articles made therefrom
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
WO2025068267A1 (en) * 2023-09-27 2025-04-03 Borealis Ag A mechanical polypropylene recycling process

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107793599A (zh) * 2017-11-02 2018-03-13 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
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

Also Published As

Publication number Publication date
KR910000943B1 (ko) 1991-02-19
US4761451A (en) 1988-08-02
EP0241667A2 (en) 1987-10-21
EP0241667B1 (en) 1993-06-23
DE3786290T2 (de) 1993-11-18
JPS62205147A (ja) 1987-09-09
EP0241667A3 (en) 1990-02-14
DE3786290D1 (de) 1993-07-29
KR870008944A (ko) 1987-10-22

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