TWI270553B - Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization reactions - Google Patents
Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization reactions Download PDFInfo
- Publication number
- TWI270553B TWI270553B TW091136799A TW91136799A TWI270553B TW I270553 B TWI270553 B TW I270553B TW 091136799 A TW091136799 A TW 091136799A TW 91136799 A TW91136799 A TW 91136799A TW I270553 B TWI270553 B TW I270553B
- Authority
- TW
- Taiwan
- Prior art keywords
- polymerization
- pressure drop
- initiator
- added
- reactor
- Prior art date
Links
- 239000003999 initiator Substances 0.000 title claims abstract description 60
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 55
- 239000000178 monomer Substances 0.000 title claims abstract description 22
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000004094 surface-active agent Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 5
- 229920000642 polymer Polymers 0.000 description 16
- 150000002978 peroxides Chemical class 0.000 description 14
- -1 hexamethylene perylene pentoxide Chemical compound 0.000 description 9
- 239000000084 colloidal system Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 150000001451 organic peroxides Chemical class 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- GTJOHISYCKPIMT-UHFFFAOYSA-N 2-methylundecane Chemical group CCCCCCCCCC(C)C GTJOHISYCKPIMT-UHFFFAOYSA-N 0.000 description 2
- SGVYKUFIHHTIFL-UHFFFAOYSA-N Isobutylhexyl Natural products CCCCCCCC(C)C SGVYKUFIHHTIFL-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- HDBYSXKJVOPUSY-UHFFFAOYSA-N hexan-2-yl hexan-2-yloxycarbonyloxy carbonate Chemical compound CCCCC(C)OC(=O)OOC(=O)OC(C)CCCC HDBYSXKJVOPUSY-UHFFFAOYSA-N 0.000 description 2
- VKPSKYDESGTTFR-UHFFFAOYSA-N isododecane Natural products CC(C)(C)CC(C)CC(C)(C)C VKPSKYDESGTTFR-UHFFFAOYSA-N 0.000 description 2
- MMCOUVMKNAHQOY-UHFFFAOYSA-L oxido carbonate Chemical compound [O-]OC([O-])=O MMCOUVMKNAHQOY-UHFFFAOYSA-L 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004904 shortening Methods 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
- GHXZZOARPRFXEH-UHFFFAOYSA-N 1,2-bis(2-methylpropyl)hydrazine Chemical compound CC(C)CNNCC(C)C GHXZZOARPRFXEH-UHFFFAOYSA-N 0.000 description 1
- VTRMIVMXXVXKCS-UHFFFAOYSA-N 3,3,5,5-tetramethylhexaneperoxoic acid Chemical compound CC(C)(C)CC(C)(C)CC(=O)OO VTRMIVMXXVXKCS-UHFFFAOYSA-N 0.000 description 1
- YPIFGDQKSSMYHQ-UHFFFAOYSA-N 7,7-dimethyloctanoic acid Chemical compound CC(C)(C)CCCCCC(O)=O YPIFGDQKSSMYHQ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- GGBJHURWWWLEQH-UHFFFAOYSA-N Butyl-cyclohexane Natural products CCCCC1CCCCC1 GGBJHURWWWLEQH-UHFFFAOYSA-N 0.000 description 1
- XMEMAEGAHWGTGA-UHFFFAOYSA-N CC(C)(C)CCCCCC(O)=O.CC(C)(C)CCCCCC(O)=O.O Chemical compound CC(C)(C)CCCCCC(O)=O.CC(C)(C)CCCCCC(O)=O.O XMEMAEGAHWGTGA-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- IQARRNIZJJVLPF-UHFFFAOYSA-N [2-(2,2-dimethylpropanoylperoxy)-4-methylpentan-2-yl] 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)C(=O)OOC(C)(CC(C)C)OOC(=O)C(C)(C)C IQARRNIZJJVLPF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- CVFDGOLLFYUDSK-UHFFFAOYSA-N bis[(2-methylpropan-2-yl)oxy] ethanediperoxoate Chemical compound CC(C)(C)OOOC(=O)C(=O)OOOC(C)(C)C CVFDGOLLFYUDSK-UHFFFAOYSA-N 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 1
- 229960001231 choline Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- YZMWERQXXYGACI-UHFFFAOYSA-N ethanimidamide;dihydrochloride Chemical compound Cl.Cl.CC(N)=N YZMWERQXXYGACI-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000006179 pH buffering agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229920003169 water-soluble 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
- 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
-
- 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
- C08F2/12—Polymerisation in non-solvents
- C08F2/14—Organic medium
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/38—Mixtures of peroxy-compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34243401P | 2001-12-21 | 2001-12-21 | |
| EP02077471A EP1375529A1 (en) | 2002-06-18 | 2002-06-18 | Addition of organic initiators during a pressure drop in vinyl chloride monomer polymerization reactions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200301262A TW200301262A (en) | 2003-07-01 |
| TWI270553B true TWI270553B (en) | 2007-01-11 |
Family
ID=26077603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091136799A TWI270553B (en) | 2001-12-21 | 2002-12-20 | Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization reactions |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US20050080207A1 (enExample) |
| EP (1) | EP1456257B2 (enExample) |
| JP (1) | JP4571804B2 (enExample) |
| KR (1) | KR100932452B1 (enExample) |
| CN (1) | CN1261465C (enExample) |
| AR (1) | AR037954A1 (enExample) |
| AT (1) | ATE434632T1 (enExample) |
| AU (1) | AU2002361137B2 (enExample) |
| BR (1) | BR0215239B1 (enExample) |
| CA (1) | CA2470817C (enExample) |
| CO (1) | CO5590964A2 (enExample) |
| DE (1) | DE60232743D1 (enExample) |
| ES (1) | ES2328122T5 (enExample) |
| HU (1) | HU230963B1 (enExample) |
| IL (1) | IL162621A0 (enExample) |
| MX (1) | MXPA04006038A (enExample) |
| MY (1) | MY139215A (enExample) |
| NO (1) | NO344005B1 (enExample) |
| PL (1) | PL207290B1 (enExample) |
| RU (1) | RU2288233C2 (enExample) |
| TW (1) | TWI270553B (enExample) |
| WO (1) | WO2003054039A1 (enExample) |
| ZA (1) | ZA200405783B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA77245C2 (uk) * | 2001-12-21 | 2006-11-15 | Акцо Нобель Н.В. | Спосіб полімеризації суміші, яка містить вінілхлоридний мономер |
| TW200424217A (en) * | 2003-05-01 | 2004-11-16 | Akzo Nobel Nv | Increased polymerization reactor output by using a specific initiating system |
| EP1636272B2 (en) | 2003-06-20 | 2011-08-17 | Akzo Nobel N.V. | Polymerization process involving the dosing initiators |
| WO2005063824A1 (ja) * | 2003-12-26 | 2005-07-14 | Shin-Etsu Chemical Co., Ltd. | 塩化ビニル系重合体の製造方法 |
| CN105367688B (zh) | 2009-08-06 | 2018-07-06 | 阿克佐诺贝尔化学国际公司 | 具有高活性氧含量的储存稳定且安全的过氧化物乳液 |
| KR101303515B1 (ko) | 2010-03-03 | 2013-09-03 | 주식회사 엘지화학 | 중합 생산성이 우수한 염화비닐계 수지의 현탁 중합방법 |
| AR081664A1 (es) | 2010-06-30 | 2012-10-10 | Akzo Nobel Chemicals Int Bv | Proceso de polimerizacion con formacion in-situ del iniciador |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE247805C (enExample) | ||||
| US3325453A (en) * | 1963-10-11 | 1967-06-13 | Ceskoslovenska Akademie Ved | Polymerization method wherein the rate of initiator addition is dependent on the reaction temperature |
| US3451985A (en) * | 1964-03-26 | 1969-06-24 | Monsanto Co | Method of polymerizing vinyl monomers |
| FR2133113A5 (enExample) * | 1971-04-08 | 1972-11-24 | Rhone Progil | |
| CA984548A (en) * | 1972-09-05 | 1976-02-24 | Hans Walser | Method of improving heat stability of emulsion polymerized polyvinyl chloride |
| GB1489866A (en) * | 1973-12-26 | 1977-10-26 | Bp Chem Int Ltd | Polymerisation process |
| US4015065A (en) * | 1974-05-17 | 1977-03-29 | The British Petroleum Company Limited | Treatment of vinyl halide polymers |
| US4193890A (en) * | 1977-04-06 | 1980-03-18 | Tenneco Chemicals, Inc. | Color stabilizers for vinyl chloride resins |
| NZ204248A (en) * | 1982-06-01 | 1985-04-30 | Ici Australia Ltd | Production of vinyl chloride polymer |
| NO166329C (no) * | 1986-01-22 | 1991-07-03 | Atochem | Vinylklorid-kopolymer og deres fremstilling. |
| JPH07119247B2 (ja) | 1987-12-28 | 1995-12-20 | 日本ゼオン株式会社 | 塩化ビニル系重合体の製造法 |
| JPH0411606A (ja) * | 1990-05-01 | 1992-01-16 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| JPH0782304A (ja) * | 1993-09-13 | 1995-03-28 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| US5739222A (en) * | 1995-07-05 | 1998-04-14 | Shin-Etsu Chemical Co., Ltd. | Process for preparing vinyl chloride polymer under specified vapor pressure |
| JP3317830B2 (ja) * | 1995-11-22 | 2002-08-26 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
| JPH11106408A (ja) * | 1997-04-01 | 1999-04-20 | Sekisui Chem Co Ltd | 塩化ビニル系単量体の懸濁重合方法 |
| HU230607B1 (hu) * | 1998-09-21 | 2017-03-28 | Akzo Nobel N.V. | Nagyon gyors iniciátorok folytonos adagolása polimerizációs reakciók során |
| JP2000230018A (ja) * | 1999-02-08 | 2000-08-22 | Mitsui Chemicals Inc | 塩化ビニル系樹脂の製造方法 |
| RU2178799C2 (ru) | 1999-06-09 | 2002-01-27 | ОАО "Капролактам" | Способ получения суспензионного поливинилхлорида |
| UA77245C2 (uk) * | 2001-12-21 | 2006-11-15 | Акцо Нобель Н.В. | Спосіб полімеризації суміші, яка містить вінілхлоридний мономер |
| EP1375529A1 (en) | 2002-06-18 | 2004-01-02 | Akzo Nobel N.V. | Addition of organic initiators during a pressure drop in vinyl chloride monomer polymerization reactions |
| DE10210195B4 (de) † | 2002-03-07 | 2005-12-15 | Schwarz Pharma Ag | Verwendung von 1,3-Diazaspiro-[4,5]decan-2,4-dithion zur Behandlung von Schmerz |
| ATE335012T1 (de) | 2002-04-12 | 2006-08-15 | Akzo Nobel Nv | Co-dosierung von organischen initiatoren und schutzcolloiden während polymerisationsreaktionen |
-
2002
- 2002-12-17 EP EP02796654.8A patent/EP1456257B2/en not_active Expired - Lifetime
- 2002-12-17 AT AT02796654T patent/ATE434632T1/de not_active IP Right Cessation
- 2002-12-17 DE DE60232743T patent/DE60232743D1/de not_active Expired - Lifetime
- 2002-12-17 MX MXPA04006038A patent/MXPA04006038A/es active IP Right Grant
- 2002-12-17 BR BRPI0215239-8A patent/BR0215239B1/pt active IP Right Grant
- 2002-12-17 IL IL16262102A patent/IL162621A0/xx unknown
- 2002-12-17 RU RU2004122395/04A patent/RU2288233C2/ru active
- 2002-12-17 US US10/497,993 patent/US20050080207A1/en not_active Abandoned
- 2002-12-17 HU HU0402472A patent/HU230963B1/hu unknown
- 2002-12-17 PL PL370796A patent/PL207290B1/pl unknown
- 2002-12-17 JP JP2003554752A patent/JP4571804B2/ja not_active Expired - Lifetime
- 2002-12-17 ES ES02796654T patent/ES2328122T5/es not_active Expired - Lifetime
- 2002-12-17 KR KR1020047009743A patent/KR100932452B1/ko not_active Expired - Lifetime
- 2002-12-17 CA CA2470817A patent/CA2470817C/en not_active Expired - Fee Related
- 2002-12-17 AU AU2002361137A patent/AU2002361137B2/en not_active Ceased
- 2002-12-17 CN CNB028258134A patent/CN1261465C/zh not_active Expired - Lifetime
- 2002-12-17 WO PCT/EP2002/014371 patent/WO2003054039A1/en not_active Ceased
- 2002-12-19 AR ARP020105043A patent/AR037954A1/es not_active Application Discontinuation
- 2002-12-20 MY MYPI20024808A patent/MY139215A/en unknown
- 2002-12-20 TW TW091136799A patent/TWI270553B/zh not_active IP Right Cessation
-
2004
- 2004-06-17 CO CO04056932A patent/CO5590964A2/es active IP Right Grant
- 2004-07-20 ZA ZA2004/05783A patent/ZA200405783B/en unknown
- 2004-07-20 NO NO20043104A patent/NO344005B1/no not_active IP Right Cessation
-
2008
- 2008-03-07 US US12/044,768 patent/US7834110B2/en not_active Expired - Lifetime
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7834110B2 (en) | Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization reactions | |
| JP4896709B2 (ja) | 特定の開始剤系を使用することによって増加された重合反応器生産量 | |
| JP4508644B2 (ja) | 重合反応の間の極めて速い開始剤の連続添加 | |
| JP2002526574A (ja) | 重合反応中の非常に速い開始剤の連続的配量 | |
| JP4632665B2 (ja) | 重合反応の間の有機開始剤及び保護コロイドの同時計量供給 | |
| EP1375529A1 (en) | Addition of organic initiators during a pressure drop in vinyl chloride monomer polymerization reactions | |
| JPH07300506A (ja) | 塩化ビニル系重合体の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4A | Expiration of patent term of an invention patent |