GB1332064A - Polyethylene-polypropylene block copolymers and their pre paration - Google Patents

Polyethylene-polypropylene block copolymers and their pre paration

Info

Publication number
GB1332064A
GB1332064A GB4906671A GB4906671A GB1332064A GB 1332064 A GB1332064 A GB 1332064A GB 4906671 A GB4906671 A GB 4906671A GB 4906671 A GB4906671 A GB 4906671A GB 1332064 A GB1332064 A GB 1332064A
Authority
GB
United Kingdom
Prior art keywords
propylene
alcl
reaction mass
ethylene
polypropylene
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
GB4906671A
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
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 Koppers Co Inc filed Critical Koppers Co Inc
Publication of GB1332064A publication Critical patent/GB1332064A/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)
  • Graft Or Block Polymers (AREA)
GB4906671A 1970-12-17 1971-10-21 Polyethylene-polypropylene block copolymers and their pre paration Expired GB1332064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9927770A 1970-12-17 1970-12-17

Publications (1)

Publication Number Publication Date
GB1332064A true GB1332064A (en) 1973-10-03

Family

ID=22274126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4906671A Expired GB1332064A (en) 1970-12-17 1971-10-21 Polyethylene-polypropylene block copolymers and their pre paration

Country Status (4)

Country Link
DE (1) DE2162539A1 (enExample)
FR (1) FR2104176A5 (enExample)
GB (1) GB1332064A (enExample)
IT (1) IT944698B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435487A1 (fr) * 1978-05-22 1980-04-04 Sumitomo Chemical Co Procede pour produire des copolymeres sequences de propylene et d'ethylene

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3171570D1 (en) * 1980-06-02 1985-09-05 Hercules Inc Preparation of block copolymers using dimethyl-bis(methylcyclopentadienyl)titanium
JPS6383116A (ja) * 1986-09-26 1988-04-13 Mitsubishi Petrochem Co Ltd プロピレンブロツク共重合体の製造法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435487A1 (fr) * 1978-05-22 1980-04-04 Sumitomo Chemical Co Procede pour produire des copolymeres sequences de propylene et d'ethylene

Also Published As

Publication number Publication date
DE2162539A1 (de) 1972-07-06
IT944698B (it) 1973-04-20
FR2104176A5 (enExample) 1972-04-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees