JPS5231269B2 - - Google Patents
Info
- Publication number
- JPS5231269B2 JPS5231269B2 JP49067365A JP6736574A JPS5231269B2 JP S5231269 B2 JPS5231269 B2 JP S5231269B2 JP 49067365 A JP49067365 A JP 49067365A JP 6736574 A JP6736574 A JP 6736574A JP S5231269 B2 JPS5231269 B2 JP S5231269B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49067365A JPS5231269B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 | 1974-06-13 | |
| US05/585,600 US4029877A (en) | 1974-06-13 | 1975-06-10 | Process for preparing polyolefin |
| GB2483675A GB1463277A (en) | 1974-06-13 | 1975-06-10 | Process for preparing polyolefins |
| FR7518247A FR2274633A1 (fr) | 1974-06-13 | 1975-06-11 | Procede de preparation de polyolefines |
| BR4788/75D BR7504049A (pt) | 1974-06-13 | 1975-06-13 | Aperfeicoamento em processo para a preparacao de uma poli-olefina |
| DE19752526512 DE2526512A1 (de) | 1974-06-13 | 1975-06-13 | Verfahren zur herstellung eines polyolefins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49067365A JPS5231269B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 | 1974-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50157486A JPS50157486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-19 |
| JPS5231269B2 true JPS5231269B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-08-13 |
Family
ID=13342901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49067365A Expired JPS5231269B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 | 1974-06-13 |
Country Status (6)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2402668A1 (fr) * | 1977-09-12 | 1979-04-06 | Solvay | Procede pour la separation des polyolefines fabriquees a basse pression |
| JPS5473842A (en) * | 1977-11-25 | 1979-06-13 | Mitsubishi Petrochem Co Ltd | Polyolefin resin composition |
| IT1121993B (it) * | 1979-07-02 | 1986-04-23 | Montedison Spa | Procedimento migliorato per l'essiccamento di materiali incoerenti |
| US4314053A (en) * | 1980-05-08 | 1982-02-02 | Standard Oil Company (Indiana) | Process for reducing polyolefin die smoke |
| US4540538A (en) * | 1981-10-08 | 1985-09-10 | Union Carbide Corporation | Anti-block compounds for extrusion of transition metal catalyzed resins |
| DE3305782A1 (de) * | 1983-02-19 | 1984-08-30 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur polymerisation und copolymerisation von ethylen |
| FR2598350B1 (fr) * | 1986-05-06 | 1989-11-17 | Bp Chimie Sa | Procede et dispositif pour degazer et pour transformer en granules des particules de polyolefines obtenues par polymerisation en phase gazeuse |
| US4731438A (en) * | 1986-12-30 | 1988-03-15 | Union Carbide Corporation | Water treatment method for resin in a purge vessel |
| US4801683A (en) * | 1988-02-05 | 1989-01-31 | Buckman Laboratories International, Inc. | Method for the deactivation and neutralization of polyolefin catalysts |
| US5376742A (en) * | 1993-09-23 | 1994-12-27 | Quantum Chemical Corporation | Monomer recovery in gas phase fluid bed olefin polymerization |
| FR2719847B1 (fr) * | 1994-05-16 | 1996-08-09 | Bp Chemicals Snc | Procédé de polymérisation d'oléfine en phase gazeuse. |
| FR2723880B1 (fr) * | 1994-08-30 | 1997-01-03 | Bp Chemicals Snc | Procede pour modifier un polyethylene dans une extrudeuse |
| TW404956B (en) * | 1996-05-21 | 2000-09-11 | Mitsui Petrochemical Ind | A method of diminishing the source of odor from polyolefin obtained by use of metallocene compound |
| EP0936049B1 (en) * | 1998-02-13 | 2003-03-05 | Union Carbide Chemicals & Plastics Technology Corporation | A process for extrusion |
| US6454976B1 (en) | 1996-06-26 | 2002-09-24 | Union Carbide Chemicals & Plastics Technology Corporation | Pelletizing of broad molecular weight polyethylene |
| DE19825340C2 (de) * | 1997-06-07 | 2002-07-25 | Eurec Technology Gmbh Entsorgu | Anordnung aus einer Siebscheiben- und Säuberungseinheit, wobei die Säuberungseinheit unterhalb der Scheibeneinheit befindlich ist |
| US20050012235A1 (en) * | 2001-11-30 | 2005-01-20 | Schregenberger Sandra D | Oxygen tailoring of polyethylene resins |
| CN100351067C (zh) * | 2001-11-30 | 2007-11-28 | 埃克森美孚化学专利公司 | 聚乙烯树脂的氧气修整 |
| WO2004113049A1 (en) * | 2003-06-20 | 2004-12-29 | Battenfeld Gloucester Engineering Co., Inc. | Process for reducing surface aberrations |
| DE102004033714B4 (de) * | 2004-07-13 | 2007-10-18 | Schott Ag | Einrichtung zur elektrischen Erdung einer Glas-Floatanlage |
| US8202940B2 (en) | 2004-08-19 | 2012-06-19 | Univation Technologies, Llc | Bimodal polyethylene compositions for blow molding applications |
| US20060038315A1 (en) * | 2004-08-19 | 2006-02-23 | Tunnell Herbert R Iii | Oxygen tailoring of polyethylene resins |
| US7892466B2 (en) | 2004-08-19 | 2011-02-22 | Univation Technologies, Llc | Oxygen tailoring of polyethylene resins |
| JP5011639B2 (ja) * | 2004-11-08 | 2012-08-29 | 住友化学株式会社 | ポリオレフィン粉体の乾燥方法 |
| US7451600B2 (en) * | 2005-07-06 | 2008-11-18 | Pratt & Whitney Canada Corp. | Gas turbine engine combustor with improved cooling |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL95589C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1954-04-05 | |||
| US2918461A (en) * | 1957-01-09 | 1959-12-22 | Dow Chemical Co | Purifying after-treatment for polymerized olefins prepared with catalytic metal compounds |
| NL254392A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1959-07-31 | |||
| GB1018328A (en) * | 1963-10-12 | 1966-01-26 | Montedison Spa | Process for purifying polyolefins |
-
1974
- 1974-06-13 JP JP49067365A patent/JPS5231269B2/ja not_active Expired
-
1975
- 1975-06-10 GB GB2483675A patent/GB1463277A/en not_active Expired
- 1975-06-10 US US05/585,600 patent/US4029877A/en not_active Expired - Lifetime
- 1975-06-11 FR FR7518247A patent/FR2274633A1/fr active Granted
- 1975-06-13 DE DE19752526512 patent/DE2526512A1/de not_active Ceased
- 1975-06-13 BR BR4788/75D patent/BR7504049A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2526512A1 (de) | 1976-01-02 |
| BR7504049A (pt) | 1976-07-06 |
| FR2274633A1 (fr) | 1976-01-09 |
| GB1463277A (en) | 1977-02-02 |
| US4029877A (en) | 1977-06-14 |
| FR2274633B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-10-19 |
| JPS50157486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-19 |