JPH0116856B2 - - Google Patents
Info
- Publication number
- JPH0116856B2 JPH0116856B2 JP60235063A JP23506385A JPH0116856B2 JP H0116856 B2 JPH0116856 B2 JP H0116856B2 JP 60235063 A JP60235063 A JP 60235063A JP 23506385 A JP23506385 A JP 23506385A JP H0116856 B2 JPH0116856 B2 JP H0116856B2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- film
- calcium carbonate
- polyester
- particle size
- 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
Links
- 239000002245 particle Substances 0.000 claims description 146
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 116
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 56
- 229920000728 polyester Polymers 0.000 claims description 48
- 239000000654 additive Substances 0.000 claims description 33
- 230000000996 additive effect Effects 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 31
- 150000001875 compounds Chemical class 0.000 claims description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 74
- 235000010216 calcium carbonate Nutrition 0.000 description 56
- 238000000034 method Methods 0.000 description 30
- 239000002002 slurry Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 229920006267 polyester film Polymers 0.000 description 14
- 238000001125 extrusion Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000010419 fine particle Substances 0.000 description 10
- 238000006068 polycondensation reaction Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000011164 primary particle Substances 0.000 description 9
- 230000002776 aggregation Effects 0.000 description 8
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 239000011362 coarse particle Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 229920001225 polyester resin Polymers 0.000 description 8
- 239000004645 polyester resin Substances 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 238000005054 agglomeration Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 238000005809 transesterification reaction Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
- 150000003018 phosphorus compounds Chemical class 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000011163 secondary particle Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 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
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- MMINFSMURORWKH-UHFFFAOYSA-N 3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical group O=C1OCCOC(=O)C2=CC=C1C=C2 MMINFSMURORWKH-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 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
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000010332 dry classification Methods 0.000 description 1
- 239000012772 electrical insulation material Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000009778 extrusion testing Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229940097364 magnesium acetate tetrahydrate Drugs 0.000 description 1
- XKPKPGCRSHFTKM-UHFFFAOYSA-L magnesium;diacetate;tetrahydrate Chemical compound O.O.O.O.[Mg+2].CC([O-])=O.CC([O-])=O XKPKPGCRSHFTKM-UHFFFAOYSA-L 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000010333 wet classification Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Description
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Claims (1)
- ïŒ çé žã«ã«ã·ãŠã ãäž»äœãšãSrååç©åã³ïŒ
åã¯Baååç©ã0.01ãïŒééïŒ å«æããçµæç©
ãããªãç²åã§ãã€ãŠããã®å¹³åç²ååŸã0.05ã
5ÎŒã®æ·»å ç²åãã0.01ãïŒééïŒ å«æããããã
ãšãç¹åŸŽãšããããªãšã¹ãã«çµæç©ã
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60235063A JPS6295338A (ja) | 1985-10-21 | 1985-10-21 | ããªãšã¹ãã«çµæç© |
KR1019860008855A KR920000447B1 (ko) | 1985-10-21 | 1986-10-21 | íŽëŠ¬ìì€í 륎 ì¡°ì±ë¬Œ ë° ê·žë¡ë¶í° íŽëŠ¬ìì€í 륎 íëŠì ì ì¡°íë ë°©ë² |
US06/921,248 US4727108A (en) | 1985-10-21 | 1986-10-21 | Polyester compositions and process of preparing polyester films from them |
GB8625202A GB2182335B (en) | 1985-10-21 | 1986-10-21 | Polyester compositions and process of preparing polyester films from them |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60235063A JPS6295338A (ja) | 1985-10-21 | 1985-10-21 | ããªãšã¹ãã«çµæç© |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6295338A JPS6295338A (ja) | 1987-05-01 |
JPH0116856B2 true JPH0116856B2 (ja) | 1989-03-28 |
Family
ID=16980524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60235063A Granted JPS6295338A (ja) | 1985-10-21 | 1985-10-21 | ããªãšã¹ãã«çµæç© |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6295338A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05310964A (ja) * | 1992-04-30 | 1993-11-22 | Diafoil Co Ltd | äºè»žé åããªãšã¹ãã«ãã£ã«ã |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54131694A (en) * | 1978-04-04 | 1979-10-12 | Toray Ind Inc | Preparation of polyester |
JPS5969425A (ja) * | 1982-10-06 | 1984-04-19 | Maruo Calcium Kk | ã«ã«ãµã€ãç³»çé žã«ã«ã·ãŠã ã®è£œé æ¹æ³ |
JPS5969426A (ja) * | 1982-10-06 | 1984-04-19 | Maruo Calcium Kk | æ²éæ§çé žã«ã«ã·ãŠã æ°Žç³»åæ£äœ |
JPS59133246A (ja) * | 1983-01-19 | 1984-07-31 | Toyobo Co Ltd | é åããªãšã¹ãã«ãã€ã«ã |
JPS6079931A (ja) * | 1983-10-08 | 1985-05-07 | Toyobo Co Ltd | é åããªãšã¹ãã«ãã€ã«ã |
-
1985
- 1985-10-21 JP JP60235063A patent/JPS6295338A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54131694A (en) * | 1978-04-04 | 1979-10-12 | Toray Ind Inc | Preparation of polyester |
JPS5969425A (ja) * | 1982-10-06 | 1984-04-19 | Maruo Calcium Kk | ã«ã«ãµã€ãç³»çé žã«ã«ã·ãŠã ã®è£œé æ¹æ³ |
JPS5969426A (ja) * | 1982-10-06 | 1984-04-19 | Maruo Calcium Kk | æ²éæ§çé žã«ã«ã·ãŠã æ°Žç³»åæ£äœ |
JPS59133246A (ja) * | 1983-01-19 | 1984-07-31 | Toyobo Co Ltd | é åããªãšã¹ãã«ãã€ã«ã |
JPS6079931A (ja) * | 1983-10-08 | 1985-05-07 | Toyobo Co Ltd | é åããªãšã¹ãã«ãã€ã«ã |
Also Published As
Publication number | Publication date |
---|---|
JPS6295338A (ja) | 1987-05-01 |
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