IT1082121B - Procedimento per la separazione dei polipropilene isotattici ed atattici - Google Patents

Procedimento per la separazione dei polipropilene isotattici ed atattici

Info

Publication number
IT1082121B
IT1082121B IT25574/77A IT2557477A IT1082121B IT 1082121 B IT1082121 B IT 1082121B IT 25574/77 A IT25574/77 A IT 25574/77A IT 2557477 A IT2557477 A IT 2557477A IT 1082121 B IT1082121 B IT 1082121B
Authority
IT
Italy
Prior art keywords
isotactic
separation
procedure
atactic polypropylene
atactic
Prior art date
Application number
IT25574/77A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1082121B publication Critical patent/IT1082121B/it

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
    • C08F6/06—Treatment of polymer solutions
    • C08F6/12—Separation 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)
IT25574/77A 1976-07-12 1977-07-11 Procedimento per la separazione dei polipropilene isotattici ed atattici IT1082121B (it)

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
IT1082121B true IT1082121B (it) 1985-05-21

Family

ID=9175607

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25574/77A IT1082121B (it) 1976-07-12 1977-07-11 Procedimento per la separazione dei polipropilene isotattici ed atattici

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
NL7707589A (nl) 1978-01-16
NO772417L (no) 1978-01-13

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