JPS50157486A - - Google Patents

Info

Publication number
JPS50157486A
JPS50157486A JP49067365A JP6736574A JPS50157486A JP S50157486 A JPS50157486 A JP S50157486A JP 49067365 A JP49067365 A JP 49067365A JP 6736574 A JP6736574 A JP 6736574A JP S50157486 A JPS50157486 A JP S50157486A
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.)
Granted
Application number
JP49067365A
Other versions
JPS5231269B2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP49067365A priority Critical patent/JPS5231269B2/ja
Priority to GB2483675A priority patent/GB1463277A/en
Priority to US05/585,600 priority patent/US4029877A/en
Priority to FR7518247A priority patent/FR2274633A1/fr
Priority to DE19752526512 priority patent/DE2526512A1/de
Priority to BR4788/75D priority patent/BR7504049A/pt
Publication of JPS50157486A publication Critical patent/JPS50157486A/ja
Publication of JPS5231269B2 publication Critical patent/JPS5231269B2/ja
Expired legal-status Critical Current

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
JP49067365A 1974-06-13 1974-06-13 Expired JPS5231269B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP49067365A JPS5231269B2 (ja) 1974-06-13 1974-06-13
GB2483675A GB1463277A (en) 1974-06-13 1975-06-10 Process for preparing polyolefins
US05/585,600 US4029877A (en) 1974-06-13 1975-06-10 Process for preparing polyolefin
FR7518247A FR2274633A1 (fr) 1974-06-13 1975-06-11 Procede de preparation de polyolefines
DE19752526512 DE2526512A1 (de) 1974-06-13 1975-06-13 Verfahren zur herstellung eines polyolefins
BR4788/75D BR7504049A (pt) 1974-06-13 1975-06-13 Aperfeicoamento em processo para a preparacao de uma poli-olefina

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49067365A JPS5231269B2 (ja) 1974-06-13 1974-06-13

Publications (2)

Publication Number Publication Date
JPS50157486A true JPS50157486A (ja) 1975-12-19
JPS5231269B2 JPS5231269B2 (ja) 1977-08-13

Family

ID=13342901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49067365A Expired JPS5231269B2 (ja) 1974-06-13 1974-06-13

Country Status (6)

Country Link
US (1) US4029877A (ja)
JP (1) JPS5231269B2 (ja)
BR (1) BR7504049A (ja)
DE (1) DE2526512A1 (ja)
FR (1) FR2274633A1 (ja)
GB (1) GB1463277A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006131778A (ja) * 2004-11-08 2006-05-25 Sumitomo Chemical Co Ltd ポリオレフィン粉体の乾燥方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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
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
ES2189096T3 (es) * 1998-02-13 2003-07-01 Union Carbide Chem Plastic Procedimiento de extrusion.
US20050012235A1 (en) * 2001-11-30 2005-01-20 Schregenberger Sandra D Oxygen tailoring of polyethylene resins
BR0214609B1 (pt) * 2001-11-30 2012-02-22 processo para extrusar uma resina de polietileno bimodal.
EP1638754A1 (en) * 2003-06-20 2006-03-29 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
US7451600B2 (en) * 2005-07-06 2008-11-18 Pratt & Whitney Canada Corp. Gas turbine engine combustor with improved cooling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL194240A (ja) * 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 (ja) * 1959-07-31
GB1018328A (en) * 1963-10-12 1966-01-26 Montedison Spa Process for purifying polyolefins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006131778A (ja) * 2004-11-08 2006-05-25 Sumitomo Chemical Co Ltd ポリオレフィン粉体の乾燥方法

Also Published As

Publication number Publication date
GB1463277A (en) 1977-02-02
JPS5231269B2 (ja) 1977-08-13
FR2274633B1 (ja) 1979-10-19
US4029877A (en) 1977-06-14
FR2274633A1 (fr) 1976-01-09
BR7504049A (pt) 1976-07-06
DE2526512A1 (de) 1976-01-02

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