IT1052046B - Processo per evitare le incrostazioni dei reattori di polimerizzazione - Google Patents
Processo per evitare le incrostazioni dei reattori di polimerizzazioneInfo
- Publication number
- IT1052046B IT1052046B IT30876/75A IT3087675A IT1052046B IT 1052046 B IT1052046 B IT 1052046B IT 30876/75 A IT30876/75 A IT 30876/75A IT 3087675 A IT3087675 A IT 3087675A IT 1052046 B IT1052046 B IT 1052046B
- Authority
- IT
- Italy
- Prior art keywords
- incrostations
- avoid
- polymerization reactors
- reactors
- polymerization
- Prior art date
Links
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
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)
- Macromonomer-Based Addition Polymer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU71833A LU71833A1 (US20070031759A1-20070208-C00026.png) | 1975-02-13 | 1975-02-13 | |
| LU73025A LU73025A1 (US20070031759A1-20070208-C00026.png) | 1975-07-18 | 1975-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1052046B true IT1052046B (it) | 1981-06-20 |
Family
ID=26640171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT30876/75A IT1052046B (it) | 1975-02-13 | 1975-12-30 | Processo per evitare le incrostazioni dei reattori di polimerizzazione |
Country Status (15)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575704A (en) * | 1980-06-16 | 1982-01-12 | Shin Etsu Chem Co Ltd | Suspension polymerization of vinyl chloride monomer |
| US4451625A (en) * | 1982-08-05 | 1984-05-29 | Air Products And Chemicals, Inc. | Reduction of wall fouling in the suspension polymerization of vinyl chloride homopolymer |
| JPS59210910A (ja) * | 1983-05-17 | 1984-11-29 | Sumitomo Chem Co Ltd | 高温の重合性液状組成物の移送方法 |
| JPH0678388B2 (ja) * | 1990-08-31 | 1994-10-05 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
| DE19847124B4 (de) * | 1998-10-14 | 2014-10-09 | Basf Se | Verfahren zum Entleeren von Behältnissen, die Dispersionen, Lösungen oder Suspensionen von Polymeren enthalten |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1053572A (US20070031759A1-20070208-C00026.png) * | 1963-05-14 | |||
| ES355836A1 (es) * | 1967-08-02 | 1970-04-01 | Dow Chemical Co | Un procedimiento para reducir la acumulacion de polimero sobre las superficies interiores de una vasija de reaccion. |
| JPS5338311B1 (US20070031759A1-20070208-C00026.png) * | 1970-04-13 | 1978-10-14 | ||
| DE2033780A1 (en) * | 1970-07-08 | 1972-01-27 | Huels Chemische Werke Ag | Vinyl chloride suspension polymn - without pvc deposition on polymer wall |
| US3764384A (en) * | 1970-07-24 | 1973-10-09 | Gaf Corp | Process for removing polyvinyl halide residues from processing equipment |
| JPS4719896U (US20070031759A1-20070208-C00026.png) * | 1971-01-28 | 1972-11-06 | ||
| JPS4719895U (US20070031759A1-20070208-C00026.png) * | 1971-02-06 | 1972-11-06 | ||
| US3778423A (en) * | 1971-06-28 | 1973-12-11 | Universal Pvc Resins | Method for reducing polymer deposit in polymerization of vinyl chloride |
| DE2212962C2 (de) * | 1972-03-17 | 1985-01-24 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Polymerisation von Vinylchlorid in wäßriger Suspension |
| BE792134A (fr) * | 1972-04-10 | 1973-05-30 | Levin Igor A | Procede d'enlevement de depots de la surface de constructions |
| DE2239942B2 (de) * | 1972-08-14 | 1979-08-30 | Wacker-Chemie Gmbh, 8000 Muenchen | Verfahren zur Polymerisation von Vinylchlorid |
| US3962202A (en) * | 1973-08-27 | 1976-06-08 | The B. F. Goodrich Company | Process for polymerizing olefinic monomers which substantially eliminates polymer buildup |
| GB1428585A (en) * | 1974-06-18 | 1976-03-17 | Grantley Co | Method and solution for dissolving polyvinyl chlrodie resin scale and use of the solute |
-
1975
- 1975-12-19 CH CH1652475A patent/CH611632A5/xx not_active IP Right Cessation
- 1975-12-30 IT IT30876/75A patent/IT1052046B/it active
-
1976
- 1976-01-13 DE DE19762601076 patent/DE2601076A1/de active Granted
- 1976-01-14 US US05/649,020 patent/US4048417A/en not_active Expired - Lifetime
- 1976-01-15 ES ES444331A patent/ES444331A1/es not_active Expired
- 1976-01-15 PT PT64699A patent/PT64699B/pt unknown
- 1976-01-19 GB GB2000/76A patent/GB1495882A/en not_active Expired
- 1976-01-29 FI FI760213A patent/FI62543C/fi not_active IP Right Cessation
- 1976-01-29 BR BR7600540A patent/BR7600540A/pt unknown
- 1976-02-03 FR FR7603254A patent/FR2300614A1/fr active Granted
- 1976-02-12 AT AT101276A patent/AT345556B/de not_active IP Right Cessation
- 1976-02-12 SE SE7601585A patent/SE428128B/xx not_active IP Right Cessation
- 1976-02-12 NL NLAANVRAGE7601447,A patent/NL180126C/xx not_active IP Right Cessation
- 1976-02-12 NO NO760452A patent/NO146988C/no unknown
- 1976-02-12 JP JP51013313A patent/JPS51105384A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT345556B (de) | 1978-09-25 |
| JPS51105384A (US20070031759A1-20070208-C00026.png) | 1976-09-17 |
| PT64699B (fr) | 1977-08-10 |
| ATA101276A (de) | 1978-01-15 |
| NL7601447A (nl) | 1976-08-17 |
| FR2300614A1 (fr) | 1976-09-10 |
| SE7601585L (sv) | 1976-08-16 |
| ES444331A1 (es) | 1977-05-01 |
| FI62543C (fi) | 1983-01-10 |
| NL180126B (nl) | 1986-08-01 |
| NO146988B (no) | 1982-10-04 |
| FI62543B (fi) | 1982-09-30 |
| AU1031576A (en) | 1977-07-21 |
| FI760213A (US20070031759A1-20070208-C00026.png) | 1976-08-14 |
| NL180126C (nl) | 1987-01-02 |
| FR2300614B1 (US20070031759A1-20070208-C00026.png) | 1979-04-20 |
| SE428128B (sv) | 1983-06-06 |
| NO760452L (US20070031759A1-20070208-C00026.png) | 1976-08-16 |
| US4048417A (en) | 1977-09-13 |
| NO146988C (no) | 1983-01-12 |
| DE2601076C2 (US20070031759A1-20070208-C00026.png) | 1991-10-10 |
| CH611632A5 (US20070031759A1-20070208-C00026.png) | 1979-06-15 |
| DE2601076A1 (de) | 1976-08-26 |
| GB1495882A (en) | 1977-12-21 |
| PT64699A (fr) | 1976-02-01 |
| BR7600540A (pt) | 1976-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931126 |