JPH0480053B2 - - Google Patents
Info
- Publication number
- JPH0480053B2 JPH0480053B2 JP59134633A JP13463384A JPH0480053B2 JP H0480053 B2 JPH0480053 B2 JP H0480053B2 JP 59134633 A JP59134633 A JP 59134633A JP 13463384 A JP13463384 A JP 13463384A JP H0480053 B2 JPH0480053 B2 JP H0480053B2
- Authority
- JP
- Japan
- Prior art keywords
- block copolymer
- sulfide
- repeating unit
- heat
- producing
- 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
- 229920001400 block copolymer Polymers 0.000 claims description 72
- XWUCFAJNVTZRLE-UHFFFAOYSA-N 7-thiabicyclo[2.2.1]hepta-1,3,5-triene Chemical compound C1=C(S2)C=CC2=C1 XWUCFAJNVTZRLE-UHFFFAOYSA-N 0.000 claims description 64
- 229920000642 polymer Polymers 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 35
- 238000002425 crystallisation Methods 0.000 claims description 28
- 230000008025 crystallization Effects 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 23
- 229910052977 alkali metal sulfide Inorganic materials 0.000 claims description 19
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 239000003495 polar organic solvent Substances 0.000 claims description 14
- 230000000704 physical effect Effects 0.000 claims description 12
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- SOHCOYTZIXDCCO-UHFFFAOYSA-N 6-thiabicyclo[3.1.1]hepta-1(7),2,4-triene Chemical compound C=1C2=CC=CC=1S2 SOHCOYTZIXDCCO-UHFFFAOYSA-N 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000009477 glass transition Effects 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 20
- 229920001519 homopolymer Polymers 0.000 description 18
- 238000003786 synthesis reaction Methods 0.000 description 17
- 239000011541 reaction mixture Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 14
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 11
- 238000000465 moulding Methods 0.000 description 10
- -1 polyparaphenylene Polymers 0.000 description 10
- 238000002074 melt spinning Methods 0.000 description 9
- 239000008188 pellet Substances 0.000 description 9
- ODPYDILFQYARBK-UHFFFAOYSA-N 7-thiabicyclo[4.1.0]hepta-1,3,5-triene Chemical compound C1=CC=C2SC2=C1 ODPYDILFQYARBK-UHFFFAOYSA-N 0.000 description 8
- 229920005604 random copolymer Polymers 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000009998 heat setting Methods 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 150000001491 aromatic compounds Chemical group 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 235000012438 extruded product Nutrition 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920000265 Polyparaphenylene Polymers 0.000 description 2
- 241000188329 Talpa altaica Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010128 melt processing Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 235000010893 Bischofia javanica Nutrition 0.000 description 1
- 240000005220 Bischofia javanica Species 0.000 description 1
- IBNQSWKJEBUSIE-UHFFFAOYSA-N CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O Chemical compound CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O.CNP(NC)(NC)=O IBNQSWKJEBUSIE-UHFFFAOYSA-N 0.000 description 1
- 229910004762 CaSiO Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical class OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012765 fibrous filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 239000012210 heat-resistant fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- PTMHPRAIXMAOOB-UHFFFAOYSA-N phosphoramidic acid Chemical compound NP(O)(O)=O PTMHPRAIXMAOOB-UHFFFAOYSA-N 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Description
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Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59134633A JPS6114228A (ja) | 1984-06-29 | 1984-06-29 | ãã©ããšãã¬ã³ã¹ã«ãã€ããããã¯ã³ããªãâããã®è£œé æ³ããã³ãã®çšé |
CA000485040A CA1260174A (en) | 1984-06-29 | 1985-06-25 | PARA-PHENYLENE SULPHIDE COPOLYMERS; METHOD OF PREPARATION AND USE |
EP19850108037 EP0166451B1 (en) | 1984-06-29 | 1985-06-28 | Para-phenylene sulfide block copolymers; process for the production of the same and use thereof |
DE8585108037T DE3577098D1 (de) | 1984-06-29 | 1985-06-28 | Para-phenylensulfid-blockcopolymere, verfahren zu ihrer herstellung und ihre verwendung. |
US06/858,851 US4785057A (en) | 1984-06-29 | 1986-04-30 | Para-phenylene sulfide block copolymer, process for the production of the same |
US06/944,509 US4777228A (en) | 1984-06-29 | 1986-12-22 | Biaxially oriented paraphenylene sulfide block copolymer film and process for producing the same |
US06/944,469 US4774298A (en) | 1984-06-29 | 1986-12-22 | Process for producing biaxially oriented paraphenylene sulfide block copolymer film |
US07/133,905 US4795671A (en) | 1984-06-29 | 1987-12-16 | Para-phenylene sulfide block copolymers, process for the production of the same and use thereof |
CA000601685A CA1272535A (en) | 1984-06-29 | 1989-06-02 | Para-phenylene sulfie block copolymers process for the production of the same and use thereof |
CA000601686A CA1304182C (en) | 1984-06-29 | 1989-06-02 | Composition and method for sealing electronic parts |
CA000601684A CA1272534A (en) | 1984-06-29 | 1989-06-02 | Para-phenylene sulfide block copolymers, process for the production of the same and use thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59134633A JPS6114228A (ja) | 1984-06-29 | 1984-06-29 | ãã©ããšãã¬ã³ã¹ã«ãã€ããããã¯ã³ããªãâããã®è£œé æ³ããã³ãã®çšé |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6114228A JPS6114228A (ja) | 1986-01-22 |
JPH0480053B2 true JPH0480053B2 (ja) | 1992-12-17 |
Family
ID=15132930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59134633A Granted JPS6114228A (ja) | 1984-06-29 | 1984-06-29 | ãã©ããšãã¬ã³ã¹ã«ãã€ããããã¯ã³ããªãâããã®è£œé æ³ããã³ãã®çšé |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6114228A (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4777228A (en) * | 1984-06-29 | 1988-10-11 | Kureha Kagaku Kogyo Kabushiki Kaisha | Biaxially oriented paraphenylene sulfide block copolymer film and process for producing the same |
US4774298A (en) * | 1984-06-29 | 1988-09-27 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for producing biaxially oriented paraphenylene sulfide block copolymer film |
DE3428984A1 (de) * | 1984-08-07 | 1986-02-20 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von hochmolekularen, gegebenenfalls verzweigten polyarylensulfiden |
JPS6198526A (ja) * | 1984-10-19 | 1986-05-16 | Toray Ind Inc | äºè»žé åããªããšãã¬ã³ã¹ã«ãã€ããã€ã«ã |
JPH0747295B2 (ja) * | 1986-11-20 | 1995-05-24 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | ææ»æ§ããªã¢ãªâã¬ã³ããªãšâãã«ãã€ã«ã ããã³ãã®è£œé æ³ |
JPH07112702B2 (ja) * | 1986-11-29 | 1995-12-06 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | ããªããšãã¬ã³ã¹ã«ãã€ãã®æŒåºæ圢æ¹æ³ |
JPH0822930B2 (ja) * | 1987-05-15 | 1996-03-06 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | äºè»žå»¶äŒžããªã¢ãªãŒã¬ã³ã¹ã«ãã£ã系暹èçµæç©ãã£ã«ã ããã³ãã®è£œé æ³ |
JPH0753414B2 (ja) * | 1987-06-18 | 1995-06-07 | ãã€ã¢ãã€ã«ããã¹ãæ ªåŒäŒç€Ÿ | ïŒè»žé åããªâïœâããšãã¬ã³ã¹ã«ãã€ããã€ã«ã |
JP2676532B2 (ja) * | 1987-10-30 | 1997-11-17 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | é«ç±å®å®æ§ããªã¢ãªãŒã¬ã³ããªãšãŒãã«ã±ãã³ã»ããªãã¬ã°ããã³ãã®æåœ¢ç© |
JPH0757818B2 (ja) * | 1987-11-05 | 1995-06-21 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | ææ»æ§ãã£ã«ã |
JPH01253437A (ja) * | 1987-12-25 | 1989-10-09 | Kureha Chem Ind Co Ltd | 被èŠéå±äœ |
CA2004884A1 (en) * | 1988-12-29 | 1990-06-29 | Guy Senatore | Arylene sulfide polymers and articles of manufacture |
JP2508214Y2 (ja) * | 1992-04-06 | 1996-08-21 | æ ªåŒäŒç€Ÿæ¥æ¬ã¢ã«ã | åç²§æ¿ |
JP3245253B2 (ja) * | 1992-09-17 | 2002-01-07 | å矜ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | ããªã¢ãªãŒã¬ã³ã¹ã«ãã£ãæš¹èçµæç© |
CA2111542A1 (en) * | 1992-12-24 | 1994-06-25 | Yoshikatsu Satake | Poly (arylene sulfide) resin composition |
KR102692412B1 (ko) * | 2018-09-27 | 2024-08-05 | ëë ìŽ ì¹Žë¶ìí€ê°ìŽì€ | ê³µì€í© íŽëŠ¬íëë ì íŒë ì¬ì |
WO2022097493A1 (ja) * | 2020-11-05 | 2022-05-12 | æ±ã¬æ ªåŒäŒç€Ÿ | æ圢ææããã³æ圢å |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5998134A (ja) * | 1982-11-29 | 1984-06-06 | Toray Ind Inc | ããªããšãã¬ã³ã¹ã«ãã€ãã®è£œé æ¹æ³ |
-
1984
- 1984-06-29 JP JP59134633A patent/JPS6114228A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5998134A (ja) * | 1982-11-29 | 1984-06-06 | Toray Ind Inc | ããªããšãã¬ã³ã¹ã«ãã€ãã®è£œé æ¹æ³ |
Also Published As
Publication number | Publication date |
---|---|
JPS6114228A (ja) | 1986-01-22 |
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