CA1050192A - Process for preparing polypropylene compositions having high impact strength at low temperatures - Google Patents

Process for preparing polypropylene compositions having high impact strength at low temperatures

Info

Publication number
CA1050192A
CA1050192A CA239,318A CA239318A CA1050192A CA 1050192 A CA1050192 A CA 1050192A CA 239318 A CA239318 A CA 239318A CA 1050192 A CA1050192 A CA 1050192A
Authority
CA
Canada
Prior art keywords
propylene
ethylene
slurry
fed
polymerization
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
CA239,318A
Other languages
English (en)
French (fr)
Inventor
Mario Matteoli
Luciano Luciani
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
Application granted granted Critical
Publication of CA1050192A publication Critical patent/CA1050192A/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
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Graft Or Block Polymers (AREA)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA239,318A 1974-11-14 1975-11-10 Process for preparing polypropylene compositions having high impact strength at low temperatures Expired CA1050192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29436/74A IT1025699B (it) 1974-11-14 1974-11-14 Procedimento di preparaione di composizioni polipropileniche di resistenza all urto a bassa temperatura

Publications (1)

Publication Number Publication Date
CA1050192A true CA1050192A (en) 1979-03-06

Family

ID=11226992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239,318A Expired CA1050192A (en) 1974-11-14 1975-11-10 Process for preparing polypropylene compositions having high impact strength at low temperatures

Country Status (12)

Country Link
JP (1) JPS5171390A (sv)
AT (1) AT346578B (sv)
BE (1) BE835527A (sv)
CA (1) CA1050192A (sv)
DE (1) DE2550549A1 (sv)
ES (1) ES442577A1 (sv)
FR (1) FR2291220A1 (sv)
GB (1) GB1528136A (sv)
IT (1) IT1025699B (sv)
NL (1) NL7513084A (sv)
NO (1) NO753725L (sv)
SE (1) SE7512537L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247091A (en) * 1975-10-13 1977-04-14 Sumitomo Chem Co Ltd Process for preparing block copolymers
JPS54139693A (en) * 1978-04-21 1979-10-30 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810415B2 (ja) * 1974-02-27 1983-02-25 三菱油化株式会社 ヘンセイポリプロピレン ノ セイゾウホウ

Also Published As

Publication number Publication date
ES442577A1 (es) 1977-05-01
IT1025699B (it) 1978-08-30
FR2291220A1 (fr) 1976-06-11
ATA857375A (de) 1978-03-15
SE7512537L (sv) 1976-05-17
BE835527A (fr) 1976-05-13
GB1528136A (en) 1978-10-11
FR2291220B1 (sv) 1977-12-16
NO753725L (sv) 1976-05-18
AT346578B (de) 1978-11-10
JPS5171390A (en) 1976-06-21
NL7513084A (nl) 1976-05-18
DE2550549A1 (de) 1976-05-20

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