FR2381791A1 - Procede de raffinage de polyolefines hautement cristallines - Google Patents

Procede de raffinage de polyolefines hautement cristallines

Info

Publication number
FR2381791A1
FR2381791A1 FR7805423A FR7805423A FR2381791A1 FR 2381791 A1 FR2381791 A1 FR 2381791A1 FR 7805423 A FR7805423 A FR 7805423A FR 7805423 A FR7805423 A FR 7805423A FR 2381791 A1 FR2381791 A1 FR 2381791A1
Authority
FR
France
Prior art keywords
suspension
molar amount
propylene
organoaluminum compound
copolymer
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.)
Granted
Application number
FR7805423A
Other languages
English (en)
French (fr)
Other versions
FR2381791B1 (en, 2012
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2381791A1 publication Critical patent/FR2381791A1/fr
Application granted granted Critical
Publication of FR2381791B1 publication Critical patent/FR2381791B1/fr
Granted 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

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)
  • Polymerisation Methods In General (AREA)
FR7805423A 1977-02-25 1978-02-24 Procede de raffinage de polyolefines hautement cristallines Granted FR2381791A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2075177A JPS53105587A (en) 1977-02-25 1977-02-25 Method of pufification of high-crystallinity polyolefin

Publications (2)

Publication Number Publication Date
FR2381791A1 true FR2381791A1 (fr) 1978-09-22
FR2381791B1 FR2381791B1 (en, 2012) 1981-12-11

Family

ID=12035882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805423A Granted FR2381791A1 (fr) 1977-02-25 1978-02-24 Procede de raffinage de polyolefines hautement cristallines

Country Status (11)

Country Link
US (1) US4182852A (en, 2012)
JP (1) JPS53105587A (en, 2012)
BE (1) BE864305A (en, 2012)
BR (1) BR7801119A (en, 2012)
CA (1) CA1097849A (en, 2012)
DE (1) DE2808064A1 (en, 2012)
FR (1) FR2381791A1 (en, 2012)
GB (1) GB1576564A (en, 2012)
IT (1) IT1102818B (en, 2012)
MX (1) MX147324A (en, 2012)
NL (1) NL186321C (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023018A1 (en) * 1979-07-16 1981-01-28 Phillips Petroleum Company Method of reducing the level of catalyst residues in polymers
EP0575111A3 (en, 2012) * 1992-06-15 1994-02-23 Mitsui Toatsu Chemicals

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH16274A (en) * 1978-12-13 1983-08-26 Sumitomo Chemical Co Molded products of polypropylene
BR7908553A (pt) * 1978-12-28 1980-09-09 Sumitomo Chemical Co Aperfeicoamento em processo para produzir copolimero de propileno
JPS5638306A (en) * 1979-09-06 1981-04-13 Sumitomo Chem Co Ltd Preparation of purified propylene polymer or copolymer
US5078786A (en) * 1986-11-26 1992-01-07 Resource Technology Associates Process for recovering metal values from jarosite solids
US5258491A (en) * 1992-09-04 1993-11-02 Eastman Kodak Company Process for preparation of a polyetherketone
KR20010062882A (ko) * 1999-12-20 2001-07-09 유현식 초순수 폴리프로필렌의 제조방법
CN109912734B (zh) * 2019-03-11 2021-06-18 天津科技大学 一种低灰分聚丙烯树脂的生产方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1378181A (fr) * 1962-10-05 1964-11-13 Phillips Petroleum Co Procédé perfectionné d'extraction de polymérisats d'oléfines
US3197453A (en) * 1961-07-11 1965-07-27 Phillips Petroleum Co Process for purifying monomer feeds for polymerization processes
FR2257607A1 (en, 2012) * 1974-01-16 1975-08-08 Sumitomo Chemical Co

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074921A (en) * 1957-06-14 1963-01-22 Monsanto Chemicals Removal of catalyst residues from solid polymer slurries by multistage countercurrent extraction
DE1173654B (de) * 1958-03-20 1964-07-09 Ruhrchemie Ag Verfahren zur Reinigung von festen, hoch-molekularen Polyolefinen
BE758416A (fr) * 1969-11-07 1971-04-16 Snam Progetti Procede pour eliminer les residus de catalyseur metallique des polyethylenes de densite elevee et appareil approprie a la realisation de ce procede
CH543546A (fr) 1971-03-23 1973-10-31 Solvay Système catalytique de polymérisation des alpha-oléfines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197453A (en) * 1961-07-11 1965-07-27 Phillips Petroleum Co Process for purifying monomer feeds for polymerization processes
FR1378181A (fr) * 1962-10-05 1964-11-13 Phillips Petroleum Co Procédé perfectionné d'extraction de polymérisats d'oléfines
FR2257607A1 (en, 2012) * 1974-01-16 1975-08-08 Sumitomo Chemical Co

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023018A1 (en) * 1979-07-16 1981-01-28 Phillips Petroleum Company Method of reducing the level of catalyst residues in polymers
EP0575111A3 (en, 2012) * 1992-06-15 1994-02-23 Mitsui Toatsu Chemicals
US5476709A (en) * 1992-06-15 1995-12-19 Mitsui Toatsu Chemicals, Inc. Polymeric insulating material and formed article making use of the material
US5573840A (en) * 1992-06-15 1996-11-12 Mitsui Toatsu Chemicals, Inc. Polymeric insulating material and formed article making use of the material

Also Published As

Publication number Publication date
NL186321C (nl) 1990-11-01
NL7802088A (nl) 1978-08-29
JPS53105587A (en) 1978-09-13
DE2808064A1 (de) 1978-08-31
IT1102818B (it) 1985-10-07
IT7848154A0 (it) 1978-02-23
US4182852A (en) 1980-01-08
NL186321B (nl) 1990-06-01
BR7801119A (pt) 1978-10-10
BE864305A (fr) 1978-06-16
GB1576564A (en) 1980-10-08
CA1097849A (en) 1981-03-17
FR2381791B1 (en, 2012) 1981-12-11
JPS5731727B2 (en, 2012) 1982-07-06
MX147324A (es) 1982-11-11
DE2808064C2 (en, 2012) 1989-09-21

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