FR2151072A1 - Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ - Google Patents
Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determInfo
- Publication number
- FR2151072A1 FR2151072A1 FR7231056A FR7231056A FR2151072A1 FR 2151072 A1 FR2151072 A1 FR 2151072A1 FR 7231056 A FR7231056 A FR 7231056A FR 7231056 A FR7231056 A FR 7231056A FR 2151072 A1 FR2151072 A1 FR 2151072A1
- Authority
- FR
- France
- Prior art keywords
- polyethylene
- temp
- swelling ratio
- chromium oxide
- determ
- 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.)
- Withdrawn
Links
- -1 Polyethylene Polymers 0.000 title abstract 4
- 239000004698 Polyethylene Substances 0.000 title abstract 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 4
- 229920000573 polyethylene Polymers 0.000 title abstract 4
- 230000008961 swelling Effects 0.000 title abstract 4
- 239000003054 catalyst Substances 0.000 title abstract 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 title abstract 2
- 229910000423 chromium oxide Inorganic materials 0.000 title abstract 2
- 239000000377 silicon dioxide Substances 0.000 title abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- 238000000071 blow moulding Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229920004889 linear high-density polyethylene Polymers 0.000 abstract 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17786471A | 1971-09-03 | 1971-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2151072A1 true FR2151072A1 (en) | 1973-04-13 |
Family
ID=22650246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7231056A Withdrawn FR2151072A1 (en) | 1971-09-03 | 1972-09-01 | Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4836284A (enrdf_load_stackoverflow) |
| BE (1) | BE788309A (enrdf_load_stackoverflow) |
| BR (1) | BR7206037D0 (enrdf_load_stackoverflow) |
| DE (1) | DE2242752A1 (enrdf_load_stackoverflow) |
| ES (1) | ES406331A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2151072A1 (enrdf_load_stackoverflow) |
| IT (1) | IT966743B (enrdf_load_stackoverflow) |
| NL (1) | NL7211968A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49141151U (enrdf_load_stackoverflow) * | 1973-03-30 | 1974-12-05 | ||
| JPS5163909U (enrdf_load_stackoverflow) * | 1974-11-15 | 1976-05-20 | ||
| JPS5782884U (enrdf_load_stackoverflow) * | 1980-10-28 | 1982-05-22 | ||
| US5096868A (en) * | 1987-10-21 | 1992-03-17 | Mobil Oil Corporation | Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith |
-
1972
- 1972-08-31 DE DE19722242752 patent/DE2242752A1/de active Pending
- 1972-09-01 FR FR7231056A patent/FR2151072A1/fr not_active Withdrawn
- 1972-09-01 IT IT5250672A patent/IT966743B/it active
- 1972-09-01 NL NL7211968A patent/NL7211968A/xx unknown
- 1972-09-01 BR BR603772A patent/BR7206037D0/pt unknown
- 1972-09-01 BE BE788309D patent/BE788309A/xx unknown
- 1972-09-02 JP JP8759472A patent/JPS4836284A/ja active Pending
- 1972-09-02 ES ES406331A patent/ES406331A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES406331A1 (es) | 1975-09-16 |
| DE2242752A1 (de) | 1973-03-08 |
| IT966743B (it) | 1974-02-20 |
| BE788309A (fr) | 1973-01-02 |
| BR7206037D0 (pt) | 1973-09-27 |
| NL7211968A (enrdf_load_stackoverflow) | 1973-03-06 |
| JPS4836284A (enrdf_load_stackoverflow) | 1973-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1112023A (en) | Process for the production of gasketed container closures | |
| ES426785A1 (es) | Procedimiento de produccion de acero inoxidable. | |
| FR2256021A1 (en) | Moulded hollow (foamed) plastic articles - by injecting molten resin into moulding cavity, and introducing filling of fluid medium | |
| FR2125300A1 (en) | Plastic shoe heels - with compressed gas blown into the centre of the plastic mould mass | |
| FR2094092A1 (en) | Composite expanded plastic articles - with surface layer - of different thermoplastic | |
| ES8504854A1 (es) | Procedimiento para la preparacion de una masa de moldeo de polipropileno | |
| FR2151072A1 (en) | Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ | |
| GB1265846A (enrdf_load_stackoverflow) | ||
| JPS5413567A (en) | Molding of foamed article | |
| FR2282988A1 (fr) | Procede de preparation de pieces expansees en polychlorure de vinyle | |
| JPS5423670A (en) | Production of hyghly foamed polyethylene | |
| FR2168211A1 (en) | Reinforced thermoplastic resin pot - contg strands of long glass fibres and short glass fibres | |
| GB1047851A (en) | Process for the production of ethylene polymers or ethylene co-polymers | |
| GB1348855A (en) | Moulded thermoplastics articles | |
| JPS5286492A (en) | Production of novel polymer particles | |
| FR2166222A1 (en) | Foamed moulding with smooth skin - by using permeable lining in mould | |
| FR2121409A1 (en) | Expanded plastic mouldings - formed by expansion before injection | |
| GB1009618A (en) | A process for producing decorative and like effects in polymethyl methacrylate | |
| ES426706A1 (es) | Un metodo de moldear un bloque de espuma de plastico con unasuperficie superior sustancialmente plana. | |
| GB1016953A (en) | Process for the manufacture of shaped articles of linear polyolefines | |
| FR2018634A1 (en) | Textile articles heat shaped by a fluid | |
| FR2132622A1 (en) | Polyurethane moulds - for mfr of ceramic articles | |
| FR2076622A5 (en) | Bathtub - of thin steel or plastics sheets with expanded polystyrene - support | |
| FR2097432A5 (fr) | Procede d'obtention de polymeres greffes du chlorure de vinyle | |
| FR2045888A7 (en) | Moulded bodies from foamed plastics in a - high frequency field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |