NO772417L - Fremgangsm}te for separering av isotaktiske og ataktiske polypropylener - Google Patents

Fremgangsm}te for separering av isotaktiske og ataktiske polypropylener

Info

Publication number
NO772417L
NO772417L NO772417A NO772417A NO772417L NO 772417 L NO772417 L NO 772417L NO 772417 A NO772417 A NO 772417A NO 772417 A NO772417 A NO 772417A NO 772417 L NO772417 L NO 772417L
Authority
NO
Norway
Prior art keywords
acid
mixture
hydrocarbon
polypropylene
alcohol
Prior art date
Application number
NO772417A
Other languages
English (en)
Norwegian (no)
Inventor
Gilbert Marie
Original Assignee
Ato Chimie
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 Ato Chimie filed Critical Ato Chimie
Publication of NO772417L publication Critical patent/NO772417L/no

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
    • C08F6/06Treatment of polymer solutions
    • C08F6/12Separation of polymers from solutions

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)
NO772417A 1976-07-12 1977-07-07 Fremgangsm}te for separering av isotaktiske og ataktiske polypropylener NO772417L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621292A FR2358423A1 (fr) 1976-07-12 1976-07-12 Separation des polypropylenes isotactique et atactique

Publications (1)

Publication Number Publication Date
NO772417L true NO772417L (no) 1978-01-13

Family

ID=9175607

Family Applications (1)

Application Number Title Priority Date Filing Date
NO772417A NO772417L (no) 1976-07-12 1977-07-07 Fremgangsm}te for separering av isotaktiske og ataktiske polypropylener

Country Status (9)

Country Link
US (1) US4256874A (enExample)
JP (1) JPS538686A (enExample)
BE (1) BE856555A (enExample)
DE (1) DE2731231A1 (enExample)
FR (1) FR2358423A1 (enExample)
GB (1) GB1580339A (enExample)
IT (1) IT1082121B (enExample)
NL (1) NL7707589A (enExample)
NO (1) NO772417L (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142292A (en) * 1978-04-27 1979-11-06 Sumitomo Chem Co Ltd Separation of atactic polypropylene from hydrocarbon solvents and its device
WO2002092640A1 (en) * 2001-05-14 2002-11-21 Exxonmobil Chemical Patents Inc. A Corporation Of State Of Delaware Low bulk density polypropylene homopolymers and copolymers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125560A (en) * 1958-10-13 1964-03-17 Cziis
US3219647A (en) * 1962-04-26 1965-11-23 Phillips Petroleum Co Removal of catalyst residues from polymers
US3285899A (en) * 1962-08-30 1966-11-15 Phillips Petroleum Co Method for continuously discharging the contents of a pressurized vessel
US3281399A (en) * 1963-04-01 1966-10-25 Phillips Petroleum Co Catalyst residue removal
GB1051049A (enExample) * 1963-06-03 1900-01-01
US3499880A (en) * 1966-01-18 1970-03-10 Hercules Inc Purification of polyolefins using alkanoic acids
US3328373A (en) * 1966-08-04 1967-06-27 Firestone Tire & Rubber Co Process for purification of polypropylene
US3661884A (en) * 1969-07-07 1972-05-09 Phillips Petroleum Co Refining crude amorphous polyolefins
US3733314A (en) * 1971-02-03 1973-05-15 Phillips Petroleum Co Purification of amorphous polyolefins
US3709850A (en) * 1971-02-16 1973-01-09 Phillips Petroleum Co Purification of polyolefins

Also Published As

Publication number Publication date
BE856555A (fr) 1978-01-06
FR2358423A1 (fr) 1978-02-10
US4256874A (en) 1981-03-17
FR2358423B1 (enExample) 1980-08-08
DE2731231A1 (de) 1978-01-19
GB1580339A (en) 1980-12-03
JPS538686A (en) 1978-01-26
IT1082121B (it) 1985-05-21
NL7707589A (nl) 1978-01-16

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