CA1091396A - Procede pour la polymerisation du chlorure de vinyle en suspension aqueuse - Google Patents
Procede pour la polymerisation du chlorure de vinyle en suspension aqueuseInfo
- Publication number
- CA1091396A CA1091396A CA251,871A CA251871A CA1091396A CA 1091396 A CA1091396 A CA 1091396A CA 251871 A CA251871 A CA 251871A CA 1091396 A CA1091396 A CA 1091396A
- Authority
- CA
- Canada
- Prior art keywords
- hydroxide
- polymer
- vinyl chloride
- aqueous suspension
- polymerization
- 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
- 239000007900 aqueous suspension Substances 0.000 title claims abstract description 51
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 28
- 125000005634 peroxydicarbonate group Chemical group 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 25
- 239000000725 suspension Substances 0.000 claims description 15
- 238000012549 training Methods 0.000 claims description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000908 ammonium hydroxide Substances 0.000 claims description 9
- 230000009477 glass transition Effects 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 150000002989 phenols Chemical group 0.000 claims description 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical class [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 1
- 241000212342 Sium Species 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000007872 degassing Methods 0.000 abstract description 12
- 239000003999 initiator Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 10
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 238000009472 formulation Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000178 monomer Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- -1 chloro vinyl Chemical group 0.000 description 4
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000375 suspending agent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-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
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- CWINGZLCRSDKCL-UHFFFAOYSA-N ethoxycarbonyloxy ethyl carbonate Chemical compound CCOC(=O)OOC(=O)OCC CWINGZLCRSDKCL-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 235000012771 pancakes Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004135 Bone phosphate Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 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
- 108010010803 Gelatin Proteins 0.000 description 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical class [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical class [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 229910000004 White lead Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- MGFRKBRDZIMZGO-UHFFFAOYSA-N barium cadmium Chemical compound [Cd].[Ba] MGFRKBRDZIMZGO-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000007033 dehydrochlorination reaction Methods 0.000 description 1
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7516579 | 1975-05-26 | ||
| FR7516579A FR2312514A1 (fr) | 1975-05-26 | 1975-05-26 | Procede pour la polymerisation du chlorure de vinyle en suspension aqueuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091396A true CA1091396A (fr) | 1980-12-09 |
Family
ID=9155753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA251,871A Expired CA1091396A (fr) | 1975-05-26 | 1976-05-05 | Procede pour la polymerisation du chlorure de vinyle en suspension aqueuse |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS605607B2 (is") |
| AT (1) | AT354085B (is") |
| BE (1) | BE842139A (is") |
| BR (1) | BR7603310A (is") |
| CA (1) | CA1091396A (is") |
| CH (1) | CH612691A5 (is") |
| DE (1) | DE2619877A1 (is") |
| ES (1) | ES448211A1 (is") |
| FI (1) | FI61499C (is") |
| FR (1) | FR2312514A1 (is") |
| GB (1) | GB1496848A (is") |
| IT (1) | IT1060867B (is") |
| NL (1) | NL184365C (is") |
| NO (1) | NO148152C (is") |
| PT (1) | PT64986B (is") |
| SE (1) | SE426395B (is") |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3505238A1 (de) * | 1985-02-15 | 1986-08-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von trockenen vinylchlorid-suspensionspolymerisaten |
| JPS63179903U (is") * | 1987-05-15 | 1988-11-21 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA865802A (en) * | 1971-03-09 | Esso Research And Engineering Company | Vinyl chloride homo- and copolymers stability | |
| NL136294C (is") * | 1968-04-24 | |||
| US3720700A (en) * | 1969-11-14 | 1973-03-13 | Kema Nord Ab | Di-cetyl peroxy dicarbonate |
| IT989178B (it) * | 1972-07-19 | 1975-05-20 | Solvay | Procedimento per eliminare vinil cloruro residuo presente in poli meri |
-
1975
- 1975-05-26 FR FR7516579A patent/FR2312514A1/fr active Granted
-
1976
- 1976-03-11 CH CH305276A patent/CH612691A5/xx not_active IP Right Cessation
- 1976-04-08 PT PT64986A patent/PT64986B/pt unknown
- 1976-05-05 CA CA251,871A patent/CA1091396A/fr not_active Expired
- 1976-05-05 DE DE19762619877 patent/DE2619877A1/de active Granted
- 1976-05-07 GB GB18785/76A patent/GB1496848A/en not_active Expired
- 1976-05-11 FI FI761324A patent/FI61499C/fi not_active IP Right Cessation
- 1976-05-20 JP JP51057345A patent/JPS605607B2/ja not_active Expired
- 1976-05-24 BE BE1007407A patent/BE842139A/xx not_active IP Right Cessation
- 1976-05-25 NO NO76761778A patent/NO148152C/no unknown
- 1976-05-25 AT AT382776A patent/AT354085B/de not_active IP Right Cessation
- 1976-05-25 SE SE7605923A patent/SE426395B/xx not_active IP Right Cessation
- 1976-05-25 ES ES448211A patent/ES448211A1/es not_active Expired
- 1976-05-26 IT IT23709/76A patent/IT1060867B/it active
- 1976-05-26 BR BR3310/76A patent/BR7603310A/pt unknown
- 1976-05-26 NL NLAANVRAGE7605686,A patent/NL184365C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2619877C2 (is") | 1988-05-26 |
| JPS51144478A (en) | 1976-12-11 |
| SE426395B (sv) | 1983-01-17 |
| DE2619877A1 (de) | 1976-12-16 |
| FR2312514A1 (fr) | 1976-12-24 |
| FI61499C (fi) | 1982-08-10 |
| GB1496848A (en) | 1978-01-05 |
| NL184365C (nl) | 1989-07-03 |
| NO148152C (no) | 1983-08-17 |
| AT354085B (de) | 1979-12-27 |
| FI761324A7 (is") | 1976-11-27 |
| FI61499B (fi) | 1982-04-30 |
| FR2312514B1 (is") | 1977-12-09 |
| PT64986A (fr) | 1976-05-01 |
| SE7605923L (sv) | 1976-11-27 |
| JPS605607B2 (ja) | 1985-02-13 |
| BE842139A (fr) | 1976-11-24 |
| IT1060867B (it) | 1982-09-30 |
| ATA382776A (de) | 1979-05-15 |
| ES448211A1 (es) | 1977-07-01 |
| BR7603310A (pt) | 1976-12-07 |
| CH612691A5 (en) | 1979-08-15 |
| NO761778L (is") | 1976-11-29 |
| NO148152B (no) | 1983-05-09 |
| PT64986B (fr) | 1977-09-07 |
| NL7605686A (nl) | 1976-11-30 |
| NL184365B (nl) | 1989-02-01 |
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| CN109336734B (zh) | 乙一全氟己基乙酸及其合成方法 |
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