GB1453350A - Purification of polypropylene - Google Patents

Purification of polypropylene

Info

Publication number
GB1453350A
GB1453350A GB3372774A GB3372774A GB1453350A GB 1453350 A GB1453350 A GB 1453350A GB 3372774 A GB3372774 A GB 3372774A GB 3372774 A GB3372774 A GB 3372774A GB 1453350 A GB1453350 A GB 1453350A
Authority
GB
United Kingdom
Prior art keywords
polypropylene
catalyst
residues
electron donor
donor compound
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
GB3372774A
Other languages
English (en)
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of GB1453350A publication Critical patent/GB1453350A/en
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB3372774A 1973-08-03 1974-07-31 Purification of polypropylene Expired GB1453350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2750473A IT998321B (it) 1973-08-03 1973-08-03 Purificazione di polipropilene

Publications (1)

Publication Number Publication Date
GB1453350A true GB1453350A (en) 1976-10-20

Family

ID=11221780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3372774A Expired GB1453350A (en) 1973-08-03 1974-07-31 Purification of polypropylene

Country Status (10)

Country Link
JP (1) JPS599561B2 (fr)
AT (1) AT341211B (fr)
BE (1) BE818425A (fr)
CA (1) CA1019496A (fr)
DE (1) DE2436989A1 (fr)
ES (1) ES428886A1 (fr)
FR (1) FR2239481B1 (fr)
GB (1) GB1453350A (fr)
IT (1) IT998321B (fr)
NL (1) NL183463C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359784A (en) * 1976-10-20 1978-05-29 Nissan Chem Ind Ltd Preparation of polyethylene
US4284739A (en) * 1979-07-27 1981-08-18 El Paso Polyolefins Company Block copolymerization process

Also Published As

Publication number Publication date
BE818425A (fr) 1975-02-03
FR2239481B1 (fr) 1976-10-22
IT998321B (it) 1976-01-20
JPS599561B2 (ja) 1984-03-03
ES428886A1 (es) 1976-08-16
NL183463C (nl) 1988-11-01
DE2436989A1 (de) 1975-02-13
CA1019496A (en) 1977-10-18
FR2239481A1 (fr) 1975-02-28
AT341211B (de) 1978-01-25
JPS5045081A (fr) 1975-04-22
NL7410240A (nl) 1975-02-05
ATA632674A (de) 1977-05-15
AU7186074A (en) 1976-02-05
NL183463B (nl) 1988-06-01

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19940730