CA1097849A - Process for refining highly crystalline polyolefins - Google Patents

Process for refining highly crystalline polyolefins

Info

Publication number
CA1097849A
CA1097849A CA297,605A CA297605A CA1097849A CA 1097849 A CA1097849 A CA 1097849A CA 297605 A CA297605 A CA 297605A CA 1097849 A CA1097849 A CA 1097849A
Authority
CA
Canada
Prior art keywords
propylene
slurry
catalyst
molar amount
organo
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.)
Expired
Application number
CA297,605A
Other languages
English (en)
French (fr)
Inventor
Akinobu Shiga
Kiyoshi Matsuyama
Masahiro Kakugo
Takatoshi Suzuki
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
Application granted granted Critical
Publication of CA1097849A publication Critical patent/CA1097849A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/02Neutralisation 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)
CA297,605A 1977-02-25 1978-02-23 Process for refining highly crystalline polyolefins Expired CA1097849A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2075177A JPS53105587A (en) 1977-02-25 1977-02-25 Method of pufification of high-crystallinity polyolefin
JP20751/77 1977-02-25

Publications (1)

Publication Number Publication Date
CA1097849A true CA1097849A (en) 1981-03-17

Family

ID=12035882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297,605A Expired CA1097849A (en) 1977-02-25 1978-02-23 Process for refining highly crystalline polyolefins

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)

Families Citing this family (9)

* 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
AU527760B2 (en) * 1979-07-16 1983-03-24 Phillips Petroleum Co. Removal of catalyst residues from polymers
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
US5476709A (en) * 1992-06-15 1995-12-19 Mitsui Toatsu Chemicals, Inc. Polymeric insulating material and formed article making use of the material
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

Family Cites Families (7)

* 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
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
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
JPS5841283B2 (ja) * 1974-01-16 1983-09-10 住友化学工業株式会社 プロピレンの重合体あるいは共重合体の製造方法

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
FR2381791A1 (fr) 1978-09-22
GB1576564A (en) 1980-10-08
FR2381791B1 (en, 2012) 1981-12-11
JPS5731727B2 (en, 2012) 1982-07-06
MX147324A (es) 1982-11-11
DE2808064C2 (en, 2012) 1989-09-21

Similar Documents

Publication Publication Date Title
US4298718A (en) Catalysts for the polymerization of olefins
CA1043942A (en) Process for polymerizing or copolymerizing olefins containing at least 3 carbon atoms
US3888835A (en) Method for the polymerization of copolymerization of ethylene
CA1263370A (en) CATALYST AND PROCESS FOR PRODUCING .alpha.-OLEFIN POLYMERS USING THE SAME
CA1152697A (en) Process for producing propylene copolymer
US4161574A (en) Propylene-terpolymers
US4105847A (en) Method for polymerization of ethylene
EP0282929B2 (en) Method for producing a propylene-alpha-olefin block copolymer
US4053697A (en) Process for producing propylene homopolymers and copolymers
US4200717A (en) Preparation of propylene polymer-containing solid titanium trichloride and propylene polymers using same
CA1097849A (en) Process for refining highly crystalline polyolefins
CA1159198A (en) PROCESS FOR PRODUCING HIGHLY STEREOREGULA .alpha.-OLEFIN POLYMERS
US3600463A (en) Process for producing substantially ash-free polyolefin polymers
US4195145A (en) Process for the purification of highly crystalline polyolefins
US4503159A (en) Polyolefin polymerization process and catalyst
CA1097850A (en) Process for producing propylene polymer or copolymer
US4246135A (en) Olefin polymerization catalyst
US3356666A (en) Process of polymerizing butene-1
EP0079389A1 (en) Process for producing propylene polymer or copolymer
US4461881A (en) Process for the production of purified propylene homopolymers or copolymers
US3931135A (en) Process for reusing polymerization solvent by recycling
US5428110A (en) Process for producing propylene copolymer
DE2500751C3 (de) Verfahren zur Herstellung von1™*"11"1"1 o -Olefinpolymerisaten
US4284525A (en) Titanium trichloride catalytic component and method for homo- of co-polymerization of α-olefin
JP2713577B2 (ja) ポリプロピレン樹脂組成物

Legal Events

Date Code Title Description
MKEX Expiry