CA2115299A1 - Polymerization apparatus effective in preventing polymer scale deposition and process of producing polymer using the same - Google Patents
Polymerization apparatus effective in preventing polymer scale deposition and process of producing polymer using the sameInfo
- Publication number
- CA2115299A1 CA2115299A1 CA002115299A CA2115299A CA2115299A1 CA 2115299 A1 CA2115299 A1 CA 2115299A1 CA 002115299 A CA002115299 A CA 002115299A CA 2115299 A CA2115299 A CA 2115299A CA 2115299 A1 CA2115299 A1 CA 2115299A1
- Authority
- CA
- Canada
- Prior art keywords
- polymerization
- polymerization vessel
- reflux condenser
- vessel
- pipe
- 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.)
- Abandoned
Links
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 149
- 229920000642 polymer Polymers 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims description 15
- 230000008569 process Effects 0.000 title claims description 13
- 230000008021 deposition Effects 0.000 title abstract description 14
- 238000010992 reflux Methods 0.000 claims abstract description 48
- 239000000178 monomer Substances 0.000 claims abstract description 40
- 239000007792 gaseous phase Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000020169 heat generation Effects 0.000 claims description 12
- 230000003449 preventive effect Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 230000005484 gravity Effects 0.000 description 7
- -1 nitrogen-containing aromatic compound Chemical class 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229940000425 combination drug Drugs 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 2
- 150000002391 heterocyclic compounds Chemical class 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 150000002497 iodine compounds Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 150000003232 pyrogallols Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920003169 water-soluble polymer Polymers 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
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 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
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 239000006229 carbon black Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- BPHHNXJPFPEJOF-UHFFFAOYSA-J chembl296966 Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(S([O-])(=O)=O)=C(N)C2=C(O)C(N=NC3=CC=C(C=C3OC)C=3C=C(C(=CC=3)N=NC=3C(=C4C(N)=C(C=C(C4=CC=3)S([O-])(=O)=O)S([O-])(=O)=O)O)OC)=CC=C21 BPHHNXJPFPEJOF-UHFFFAOYSA-J 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000001419 dependent effect Effects 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
- 150000001993 dienes Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- SHXOKQKTZJXHHR-UHFFFAOYSA-N n,n-diethyl-5-iminobenzo[a]phenoxazin-9-amine;hydrochloride Chemical compound [Cl-].C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4OC3=CC(=[NH2+])C2=C1 SHXOKQKTZJXHHR-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002265 prevention Effects 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
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- FKVXIGHJGBQFIH-UHFFFAOYSA-K trisodium 5-amino-3-[[4-[4-[(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate Chemical compound C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3[O-])N)S(=O)(=O)O)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)O)S(=O)(=O)[O-])N)[O-].[Na+].[Na+].[Na+] FKVXIGHJGBQFIH-UHFFFAOYSA-K 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
-
- 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
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/00252—Formation of deposits other than coke
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5-352184 | 1993-12-28 | ||
| JP35218493 | 1993-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2115299A1 true CA2115299A1 (en) | 1995-06-29 |
Family
ID=18422363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002115299A Abandoned CA2115299A1 (en) | 1993-12-28 | 1994-02-09 | Polymerization apparatus effective in preventing polymer scale deposition and process of producing polymer using the same |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US5447999A (enExample) |
| EP (1) | EP0661093B1 (enExample) |
| CA (1) | CA2115299A1 (enExample) |
| DE (1) | DE69411874D1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040194101A1 (en) * | 1997-08-21 | 2004-09-30 | Glanzer David A. | Flexible function blocks |
| CN100413841C (zh) * | 2002-01-08 | 2008-08-27 | 三菱化学株式会社 | 防止处理(甲基)丙烯酸及其酯的设备堵塞的方法 |
| JP2003246808A (ja) | 2002-02-26 | 2003-09-05 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| DE502007005298D1 (de) * | 2006-12-06 | 2010-11-18 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel durch suspensionspolymerisation |
| CN110449100B (zh) * | 2018-05-07 | 2022-01-11 | 中国石油化工股份有限公司 | 基于离子液体相变撤热的失控反应抑制方法 |
| CN112013691A (zh) * | 2019-05-31 | 2020-12-01 | 上海立得催化剂有限公司 | 一种适用于非稳态挥发性有机气体的分段式冷凝换热器 |
| CN116078308B (zh) * | 2023-02-20 | 2024-06-21 | 河北国超热力工程有限公司 | 氯乙烯悬浮聚合釜顶回流冷凝器的智能控制方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US503586A (en) * | 1893-08-22 | Apparatus for distilling volatile substances | ||
| US2618626A (en) * | 1949-12-27 | 1952-11-18 | Shell Dev | Process of polymerizing olefinically unsaturated compounds |
| US2719143A (en) * | 1951-01-10 | 1955-09-27 | Shell Dev | Process for polymerizing unsaturated compounds in an aqueous medium |
| US3126365A (en) * | 1958-08-11 | 1964-03-24 | hooker | |
| US3062796A (en) * | 1959-05-11 | 1962-11-06 | Shell Oil Co | Production of synthetic elastomers |
| US3350377A (en) * | 1963-06-03 | 1967-10-31 | Phillips Petroleum Co | Bulk polymerization of conjugated diolefins |
| US3627744A (en) * | 1968-09-12 | 1971-12-14 | Monsanto Co | Method for polymerizing vinyl halide polymers |
| US3867260A (en) * | 1969-05-23 | 1975-02-18 | New Brunswick Scientific Co | Mass transfer condenser, particularly for use with fermenting vessels |
| DE2442574A1 (de) * | 1974-09-05 | 1976-03-25 | Huels Chemische Werke Ag | Verfahren zur herstellung von polyvinylchlorid unter vermeiden von vinylchlorid-emissionen durch diskontinuierliche polymerisation in suspension |
| DE2458024B2 (de) * | 1974-12-07 | 1979-10-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur wäßrigen Suspensionspolymerisation von Vinylchlorid |
| US4024329A (en) * | 1975-07-03 | 1977-05-17 | The Dow Chemical Company | Method for removing heat from a chemical reaction |
| US4058652A (en) * | 1976-02-10 | 1977-11-15 | Exxon Research & Engineering Co. | Autorefrigeration process and apparatus |
| JPS56110701A (en) * | 1980-02-07 | 1981-09-02 | Sumitomo Chem Co Ltd | Method and apparatus for removal of heat from polymerizer |
| SU1100484A1 (ru) * | 1982-06-18 | 1984-06-30 | Производственное Объединение "Турбомоторный Завод" Им.К.Е.Ворошилова | Устройство дл ограничени обратного потока пара в турбину из конденсатосборника теплообменника |
| JPS6136301A (ja) * | 1984-07-27 | 1986-02-21 | Kanegafuchi Chem Ind Co Ltd | 重合反応缶内の温度制御方法 |
| US4698211A (en) * | 1985-08-19 | 1987-10-06 | Exxon Chemical Patents Inc. | Catalyst injection for Ziegler polymerization |
| US5393498A (en) * | 1989-02-16 | 1995-02-28 | Lieberam; Kai | Condenser cooling and temperature control system |
| JP2747843B2 (ja) * | 1990-04-05 | 1998-05-06 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
| GB9115170D0 (en) * | 1991-07-12 | 1991-08-28 | Dow Corning Sa | Process and apparatus for the production of organosilicon compounds |
-
1994
- 1994-02-09 CA CA002115299A patent/CA2115299A1/en not_active Abandoned
- 1994-02-09 EP EP94102000A patent/EP0661093B1/en not_active Expired - Lifetime
- 1994-02-09 DE DE69411874T patent/DE69411874D1/de not_active Expired - Lifetime
- 1994-07-09 US US08/193,866 patent/US5447999A/en not_active Expired - Lifetime
-
1995
- 1995-04-04 US US08/415,984 patent/US5618497A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0661093A3 (enExample) | 1995-08-02 |
| US5618497A (en) | 1997-04-08 |
| DE69411874D1 (de) | 1998-08-27 |
| US5447999A (en) | 1995-09-05 |
| EP0661093B1 (en) | 1998-07-22 |
| EP0661093A2 (en) | 1995-07-05 |
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| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 19960810 |