IT1026784B - Procedimento per migliorare il colore delle poliolefine - Google Patents
Procedimento per migliorare il colore delle poliolefineInfo
- Publication number
- IT1026784B IT1026784B IT30176/74A IT3017674A IT1026784B IT 1026784 B IT1026784 B IT 1026784B IT 30176/74 A IT30176/74 A IT 30176/74A IT 3017674 A IT3017674 A IT 3017674A IT 1026784 B IT1026784 B IT 1026784B
- Authority
- IT
- Italy
- Prior art keywords
- polyolefins
- color
- procedure
- improve
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
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)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421455A US3923760A (en) | 1973-12-03 | 1973-12-03 | Color improvement process for polyolefins |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1026784B true IT1026784B (it) | 1978-10-20 |
Family
ID=23670591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30176/74A IT1026784B (it) | 1973-12-03 | 1974-12-03 | Procedimento per migliorare il colore delle poliolefine |
Country Status (8)
Country | Link |
---|---|
US (1) | US3923760A (it) |
JP (1) | JPS5089488A (it) |
BE (1) | BE822895A (it) |
DE (1) | DE2457119A1 (it) |
FR (1) | FR2253031B1 (it) |
GB (1) | GB1448647A (it) |
IT (1) | IT1026784B (it) |
NL (1) | NL7415745A (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979370A (en) * | 1975-04-16 | 1976-09-07 | Standard Oil Company (Indiana) | Method for simultaneous addition of non-compatible substances to a mixing zone |
US4540538A (en) * | 1981-10-08 | 1985-09-10 | Union Carbide Corporation | Anti-block compounds for extrusion of transition metal catalyzed resins |
FR2638165B1 (fr) * | 1988-10-21 | 1992-06-26 | Bp Chimie Sa | Composition stabilisee a base de polyolefine ayant une couleur amelioree |
DE3838492A1 (de) * | 1988-11-12 | 1990-05-17 | Basf Ag | Verfahren zur herstellung von ethylenpolymerisaten mittels eines vanadin enthaltenden ziegler-katalysatorsystems unter zerstoerung ueberschuessiger katalysatorreste und so hergestellte ethylenpolymerisate |
US9294562B2 (en) | 2012-02-14 | 2016-03-22 | Intel Corporation | Peer to peer networking and sharing systems and methods |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037011A (en) * | 1962-05-29 | Liquids | ||
US3075959A (en) * | 1957-05-24 | 1963-01-29 | Hoechst Ag | Process of purifying polyolefins |
US3520866A (en) * | 1966-09-26 | 1970-07-21 | Chevron Res | Preparation of coordination catalyst type polypropylene without subsequent removal of catalyst residue |
US3773743A (en) * | 1969-02-03 | 1973-11-20 | Dow Chemical Co | Process for improving the color of ziegler olefin polymers |
-
1973
- 1973-12-03 US US421455A patent/US3923760A/en not_active Expired - Lifetime
-
1974
- 1974-12-03 FR FR7439505A patent/FR2253031B1/fr not_active Expired
- 1974-12-03 IT IT30176/74A patent/IT1026784B/it active
- 1974-12-03 DE DE19742457119 patent/DE2457119A1/de not_active Withdrawn
- 1974-12-03 BE BE151108A patent/BE822895A/xx unknown
- 1974-12-03 NL NL7415745A patent/NL7415745A/xx not_active Application Discontinuation
- 1974-12-03 JP JP49139347A patent/JPS5089488A/ja active Pending
- 1974-12-03 GB GB5216474A patent/GB1448647A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3923760A (en) | 1975-12-02 |
FR2253031A1 (it) | 1975-06-27 |
JPS5089488A (it) | 1975-07-17 |
NL7415745A (nl) | 1975-06-05 |
GB1448647A (en) | 1976-09-08 |
DE2457119A1 (de) | 1975-06-12 |
FR2253031B1 (it) | 1982-07-09 |
BE822895A (fr) | 1975-06-03 |
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