IT1025699B - PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE - Google Patents

PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE

Info

Publication number
IT1025699B
IT1025699B IT29436/74A IT2943674A IT1025699B IT 1025699 B IT1025699 B IT 1025699B IT 29436/74 A IT29436/74 A IT 29436/74A IT 2943674 A IT2943674 A IT 2943674A IT 1025699 B IT1025699 B IT 1025699B
Authority
IT
Italy
Prior art keywords
procedure
preparation
low temperature
impact resistance
polypropylene compositions
Prior art date
Application number
IT29436/74A
Other languages
Italian (it)
Inventor
Luciani Luciano
Matteoli Mario
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
Priority to IT29436/74A priority Critical patent/IT1025699B/en
Priority to NO753725A priority patent/NO753725L/no
Priority to NL7513084A priority patent/NL7513084A/en
Priority to SE7512537A priority patent/SE7512537L/en
Priority to CA239,318A priority patent/CA1050192A/en
Priority to GB46367/75A priority patent/GB1528136A/en
Priority to FR7534322A priority patent/FR2291220A1/en
Priority to DE19752550549 priority patent/DE2550549A1/en
Priority to JP50134758A priority patent/JPS5171390A/en
Priority to AT857375A priority patent/AT346578B/en
Priority to BE161828A priority patent/BE835527A/en
Priority to ES442577A priority patent/ES442577A1/en
Priority to US05/755,503 priority patent/US4113802A/en
Application granted granted Critical
Publication of IT1025699B publication Critical patent/IT1025699B/en

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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
IT29436/74A 1974-11-14 1974-11-14 PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE IT1025699B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
IT29436/74A IT1025699B (en) 1974-11-14 1974-11-14 PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE
NL7513084A NL7513084A (en) 1974-11-14 1975-11-07 PROCESS FOR PREPARING POLYPROPEENE MATERIALS WITH THE PROPERTY OF HIGH IMPACT STRENGTH AT LOW TEMPERATURES.
SE7512537A SE7512537L (en) 1974-11-14 1975-11-07 PROCEDURE FOR PREPARING POLYMER COMPOSITIONS WITH HIGH SLOW STRENGTH AT LAGA TEMPERATURES
NO753725A NO753725L (en) 1974-11-14 1975-11-07
GB46367/75A GB1528136A (en) 1974-11-14 1975-11-10 Olefin polymeric compositions
FR7534322A FR2291220A1 (en) 1974-11-14 1975-11-10 PROCESS FOR PREPARING COMPOSITIONS BASED ON POLYPROPYLENE HAVING HIGH CHARACTERISTICS OF IMPACT RESISTANCE AT LOW TEMPERATURE
CA239,318A CA1050192A (en) 1974-11-14 1975-11-10 Process for preparing polypropylene compositions having high impact strength at low temperatures
DE19752550549 DE2550549A1 (en) 1974-11-14 1975-11-11 POLYMERS AND METHODS FOR THEIR PRODUCTION
JP50134758A JPS5171390A (en) 1974-11-14 1975-11-11 Teiondonioite kotaishogekiseiojusuru horipuropirensoseibutsu no seizoho
AT857375A AT346578B (en) 1974-11-14 1975-11-11 PROCESS FOR THE MANUFACTURING OF POLYMER COMPOSITIONS
BE161828A BE835527A (en) 1974-11-14 1975-11-13 PROCESS FOR PREPARING COMPOSITIONS BASED ON POLYPROPYLENE HAVING HIGH CHARACTERISTICS OF IMPACT RESISTANCE AT LOW TEMPERATURE
ES442577A ES442577A1 (en) 1974-11-14 1975-11-13 Olefin polymeric compositions
US05/755,503 US4113802A (en) 1974-11-14 1976-12-29 Process for preparing polypropylene compositions having high impact strength at low temperatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29436/74A IT1025699B (en) 1974-11-14 1974-11-14 PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE

Publications (1)

Publication Number Publication Date
IT1025699B true IT1025699B (en) 1978-08-30

Family

ID=11226992

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29436/74A IT1025699B (en) 1974-11-14 1974-11-14 PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE

Country Status (12)

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

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 (en) * 1974-02-27 1983-02-25 三菱油化株式会社 Fragile polypropylene

Also Published As

Publication number Publication date
AT346578B (en) 1978-11-10
JPS5171390A (en) 1976-06-21
DE2550549A1 (en) 1976-05-20
NL7513084A (en) 1976-05-18
ES442577A1 (en) 1977-05-01
GB1528136A (en) 1978-10-11
FR2291220B1 (en) 1977-12-16
ATA857375A (en) 1978-03-15
CA1050192A (en) 1979-03-06
FR2291220A1 (en) 1976-06-11
NO753725L (en) 1976-05-18
SE7512537L (en) 1976-05-17
BE835527A (en) 1976-05-13

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