IT1064866B - Procedimento per la preparazione di poliolefine - Google Patents
Procedimento per la preparazione di poliolefineInfo
- Publication number
- IT1064866B IT1064866B IT25514/76A IT2551476A IT1064866B IT 1064866 B IT1064866 B IT 1064866B IT 25514/76 A IT25514/76 A IT 25514/76A IT 2551476 A IT2551476 A IT 2551476A IT 1064866 B IT1064866 B IT 1064866B
- Authority
- IT
- Italy
- Prior art keywords
- preparation procedure
- polyolefin preparation
- polyolefin
- procedure
- preparation
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08F4/02—Carriers therefor
- C08F4/022—Magnesium halide as support anhydrous or hydrated or complexed by means of a Lewis base for Ziegler-type catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/906—Comminution of transition metal containing catalyst
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)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50094721A JPS5218784A (en) | 1975-08-05 | 1975-08-05 | Process for preparing polyolefins |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1064866B true IT1064866B (it) | 1985-02-25 |
Family
ID=14117981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25514/76A IT1064866B (it) | 1975-08-05 | 1976-07-20 | Procedimento per la preparazione di poliolefine |
Country Status (6)
Country | Link |
---|---|
US (1) | US4064334A (it) |
JP (1) | JPS5218784A (it) |
CA (1) | CA1078365A (it) |
DE (1) | DE2635298A1 (it) |
FR (1) | FR2320312A1 (it) |
IT (1) | IT1064866B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5830883B2 (ja) * | 1975-11-19 | 1983-07-02 | 日石三菱株式会社 | ポリオレフインノセイゾウホウホウ |
IT1100285B (it) * | 1978-11-21 | 1985-09-28 | Euteco Spa | Catalizzatori con supporti misti per la cmo- e co-polimezzazione di alfa-olefine |
CA1152056A (en) * | 1979-06-11 | 1983-08-16 | Brian L. Goodall | Process for the stereospecific polymerization of an alpha-olefin and an alpha-olefin polymerization catalyst system |
DE3015702A1 (de) * | 1980-04-24 | 1981-10-29 | Basf Ag, 6700 Ludwigshafen | Verfahren zum herstellen von homo-und copolymerisaten von (alpha) -monoolefinen mittels eines ziegler-katalysatorsystems |
US4312782A (en) * | 1980-05-12 | 1982-01-26 | Stauffer Chemical Company | Titanium halide catalyst for polymerization |
US4354009A (en) * | 1981-07-30 | 1982-10-12 | Union Carbide Corporation | Catalyst composition for copolymerizing ethylene |
US4349648A (en) * | 1981-07-31 | 1982-09-14 | Union Carbide Corporation | Catalyst composition for copolymerizing ethylene |
US4379760A (en) * | 1981-11-12 | 1983-04-12 | The Dow Chemical Company | High efficiency catalyst for polymerizing olefins |
EP0476432B1 (de) * | 1990-09-06 | 1997-08-20 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Ethylen(co-)polymeren |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3769373A (en) * | 1956-12-27 | 1973-10-30 | Ici Ltd | Polymerisation of unsaturated hydrocarbons |
DE1294660B (de) * | 1957-08-14 | 1969-05-08 | Studiengesellschaft Kohle Mbh | Verfahren zur Herstellung von hochmolekularem Polyaethylen |
US3491073A (en) * | 1965-08-13 | 1970-01-20 | Dow Chemical Co | Process for the polymerization of olefins |
GB1489599A (en) * | 1973-10-09 | 1977-10-19 | Nippon Oil Co Ltd | Process for preparing polyolefins and catalyst and catalyst component therefor |
-
1975
- 1975-08-05 JP JP50094721A patent/JPS5218784A/ja active Granted
-
1976
- 1976-07-15 US US05/705,606 patent/US4064334A/en not_active Expired - Lifetime
- 1976-07-20 IT IT25514/76A patent/IT1064866B/it active
- 1976-08-04 CA CA258,393A patent/CA1078365A/en not_active Expired
- 1976-08-04 FR FR7623838A patent/FR2320312A1/fr active Granted
- 1976-08-05 DE DE19762635298 patent/DE2635298A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5434427B2 (it) | 1979-10-26 |
DE2635298C2 (it) | 1987-06-19 |
DE2635298A1 (de) | 1977-02-17 |
JPS5218784A (en) | 1977-02-12 |
US4064334A (en) | 1977-12-20 |
CA1078365A (en) | 1980-05-27 |
FR2320312A1 (fr) | 1977-03-04 |
FR2320312B1 (it) | 1980-05-16 |
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