JPH0254000B2 - - Google Patents
Info
- Publication number
- JPH0254000B2 JPH0254000B2 JP56102666A JP10266681A JPH0254000B2 JP H0254000 B2 JPH0254000 B2 JP H0254000B2 JP 56102666 A JP56102666 A JP 56102666A JP 10266681 A JP10266681 A JP 10266681A JP H0254000 B2 JPH0254000 B2 JP H0254000B2
- Authority
- JP
- Japan
- Prior art keywords
- mica
- diaphragm
- sheet
- weight
- weight average
- 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
Links
- 239000010445 mica Substances 0.000 claims description 42
- 229910052618 mica group Inorganic materials 0.000 claims description 42
- 229920000642 polymer Polymers 0.000 claims description 20
- 229920000098 polyolefin Polymers 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 16
- -1 polyethylene Polymers 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 7
- 239000010931 gold Substances 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 7
- 238000007666 vacuum forming Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920001400 block copolymer Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10266681A JPS583499A (ja) | 1981-06-30 | 1981-06-30 | 音響振動板 |
| DE8282301272T DE3265340D1 (en) | 1981-03-20 | 1982-03-12 | Diaphragm for an electro-acoustic transducer |
| EP82301272A EP0061270B2 (fr) | 1981-03-20 | 1982-03-12 | Diaphragme pour transducteur électroacoustique |
| US06/360,001 US4412103A (en) | 1981-03-20 | 1982-03-19 | Diaphragm for an electro-acoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10266681A JPS583499A (ja) | 1981-06-30 | 1981-06-30 | 音響振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS583499A JPS583499A (ja) | 1983-01-10 |
| JPH0254000B2 true JPH0254000B2 (fr) | 1990-11-20 |
Family
ID=14333548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10266681A Granted JPS583499A (ja) | 1981-03-20 | 1981-06-30 | 音響振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS583499A (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986994A (ja) * | 1982-11-10 | 1984-05-19 | Matsushita Electric Ind Co Ltd | スピ−カ用振動板 |
| JPS58221595A (ja) * | 1982-06-17 | 1983-12-23 | Matsushita Electric Ind Co Ltd | スピ−カ用振動板 |
| JPS58144995U (ja) * | 1982-03-24 | 1983-09-29 | オンキヨー株式会社 | スピ−カ用ダストキヤツプ |
| JPS58212299A (ja) * | 1982-06-04 | 1983-12-09 | Showa Denko Kk | スピ−カ−振動板 |
| JPH0642755B2 (ja) * | 1983-02-14 | 1994-06-01 | 松下電器産業株式会社 | スピ−カ用振動板の製造方法 |
| JPS59154899A (ja) * | 1983-02-24 | 1984-09-03 | Showa Denko Kk | スピ−カ−振動板 |
| JPS6016099A (ja) * | 1983-07-07 | 1985-01-26 | Foster Denki Kk | スピ−カ用振動板 |
| JPS60129793U (ja) * | 1984-02-06 | 1985-08-30 | オンキヨー株式会社 | スピ−カ− |
| JPS60132094U (ja) * | 1984-02-13 | 1985-09-04 | オンキヨー株式会社 | ド−ム型スピ−カ− |
| JPS6118294A (ja) * | 1984-07-04 | 1986-01-27 | Trio Kenwood Corp | スピ−カ振動板用シ−ト |
| JPS62205147A (ja) * | 1986-03-05 | 1987-09-09 | Chisso Corp | 音響振動板及び音響振動板用ポリプロピレン組成物 |
| JPS63215199A (ja) * | 1987-03-03 | 1988-09-07 | Onkyo Corp | スピ−カ用振動板 |
| JPH0633991U (ja) * | 1992-10-02 | 1994-05-06 | 昭子 新井 | 毛玉取り器 |
| JP2006325190A (ja) * | 2005-04-20 | 2006-11-30 | Matsushita Electric Ind 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427250A (en) * | 1977-08-01 | 1979-03-01 | Mitsubishi Electric Corp | Hot air heater |
-
1981
- 1981-06-30 JP JP10266681A patent/JPS583499A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427250A (en) * | 1977-08-01 | 1979-03-01 | Mitsubishi Electric Corp | Hot air heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS583499A (ja) | 1983-01-10 |
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