GB1497822A - Process for producing polypropylene - Google Patents

Process for producing polypropylene

Info

Publication number
GB1497822A
GB1497822A GB8250/75A GB825075A GB1497822A GB 1497822 A GB1497822 A GB 1497822A GB 8250/75 A GB8250/75 A GB 8250/75A GB 825075 A GB825075 A GB 825075A GB 1497822 A GB1497822 A GB 1497822A
Authority
GB
United Kingdom
Prior art keywords
ethylene
stage
propylene
block
product
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
GB8250/75A
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Petrochemical Co Ltd
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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Publication of GB1497822A publication Critical patent/GB1497822A/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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
GB8250/75A 1974-02-27 1975-02-27 Process for producing polypropylene Expired GB1497822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49022330A JPS5810415B2 (ja) 1974-02-27 1974-02-27 ヘンセイポリプロピレン ノ セイゾウホウ

Publications (1)

Publication Number Publication Date
GB1497822A true GB1497822A (en) 1978-01-12

Family

ID=12079685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8250/75A Expired GB1497822A (en) 1974-02-27 1975-02-27 Process for producing polypropylene

Country Status (8)

Country Link
US (1) US3974236A (en:Method)
JP (1) JPS5810415B2 (en:Method)
CA (1) CA1043493A (en:Method)
DE (1) DE2508146C2 (en:Method)
FR (1) FR2262054B1 (en:Method)
GB (1) GB1497822A (en:Method)
IT (1) IT1029883B (en:Method)
NL (1) NL181200C (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847402B2 (ja) * 1976-02-13 1983-10-22 三井化学株式会社 成形用重合体組成物およびその製法
US4113802A (en) * 1974-11-14 1978-09-12 Montedison S.P.A. Process for preparing polypropylene compositions having high impact strength at low temperatures
IT1025699B (it) * 1974-11-14 1978-08-30 Montedison Spa Procedimento di preparaione di composizioni polipropileniche di resistenza all urto a bassa temperatura
JPS5388049A (en) * 1977-01-13 1978-08-03 Mitsui Petrochem Ind Ltd Molding polymer composition and its preparation
DE2849114C2 (de) * 1978-11-11 1982-12-23 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung einer Polypropylen-Formmasse und ihre Verwendung zur Herstellung von Formkörpern
JPS5632516A (en) * 1979-08-27 1981-04-02 Idemitsu Petrochem Co Ltd Production of propylene block copolymer
JPS5661416A (en) * 1979-10-24 1981-05-26 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPH07100751B2 (ja) 1987-11-11 1995-11-01 出光石油化学株式会社 プロピレン重合体組成物
US5023300A (en) * 1988-01-04 1991-06-11 Exxon Chemical Patents Inc. Thermoplastic olefin alloys and method for producing the same
JP2664737B2 (ja) * 1988-09-22 1997-10-22 三菱化学株式会社 流動性の改良された粒状プロピレン共重合体の製造法
IT1230133B (it) * 1989-04-28 1991-10-14 Himont Inc Composizioni polipropileniche plasto-elastiche
JPH046029U (en:Method) * 1990-04-26 1992-01-21
JP3357186B2 (ja) 1994-07-14 2002-12-16 三菱化学株式会社 プロピレンブロック共重合体の製造法
KR100341040B1 (ko) 1994-08-18 2002-11-23 칫소가부시키가이샤 고강성프로필렌-에틸렌블록공중합체조성물및이의제조방법
ZA96626B (en) 1995-02-09 1996-08-15 Sastech Pty Ltd Copolymerization
JP3355864B2 (ja) * 1995-04-24 2002-12-09 チッソ株式会社 高剛性プロピレン・エチレンブロック共重合体の連続製造法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1570949B2 (de) * 1964-02-20 1978-06-29 Mitsubishi Petrochemical Co., Ltd., Tokio Verfahren zur Herstellung von modifizierten Propylenpolymerisaten
DE1495056C2 (de) * 1964-02-25 1973-09-20 Avisun Corp., Philadelphia, Pa. (V.St.A.) Verfahren zur Herstellung von praktisch kristallinen Blockmischpolymerisaten aus Äthylen und Propylen
CH434755A (de) * 1964-03-05 1967-04-30 Avisun Corp Verfahren zur Herstellung von Block-Copolymeren aus Äthylen und Propylen
JPS4420621Y1 (en:Method) * 1966-02-02 1969-09-03
US3670053A (en) * 1968-12-10 1972-06-13 Mitsubishi Petrochemical Co Production of modified polypropylenes

Also Published As

Publication number Publication date
NL181200B (nl) 1987-02-02
NL181200C (nl) 1987-07-01
IT1029883B (it) 1979-03-20
DE2508146A1 (de) 1975-08-28
CA1043493A (en) 1978-11-28
JPS5810415B2 (ja) 1983-02-25
DE2508146C2 (de) 1984-09-13
US3974236A (en) 1976-08-10
FR2262054B1 (en:Method) 1979-03-16
JPS50115296A (en:Method) 1975-09-09
NL7502267A (nl) 1975-08-29
FR2262054A1 (en:Method) 1975-09-19

Similar Documents

Publication Publication Date Title
GB1497822A (en) Process for producing polypropylene
IE36165L (en) Catalytic complex
EP0374695A3 (en) Ethylene-propylene copolymer
ES8201600A1 (es) Procedimiento para la obtencion de composiciones polimeras de fecula-poliolefina
KR840004913A (ko) 고강성 성형품용 프로필렌 에틸렌 블록 공중합체의 제조방법
BG81279A (bg) Катализатор за стереоспецифична полимеризация на алфа-олефини,метод за получаването му и метод за полимеризация на алфа-олефини
GB1526606A (en) Production of low density polyethylene
JPS5340093A (en) Preparation of polyolefin
GB1530827A (en) Process for the production of ethylene-propylene block copolymers
GB1519473A (en) Process for the preparation of ethylene-butadiene copolymers
ES8607049A1 (es) Un procedimiento para preparar un catalizador para la poli- merizacion de x-olefinas
JPS54139693A (en) Preparation of propylene-ethylene block copolymer
JPS5373279A (en) Preparation of olefin polymer
JPS5424995A (en) Production of propylene copolymer
GB1297380A (en:Method)
FR2435487A1 (fr) Procede pour produire des copolymeres sequences de propylene et d'ethylene
GB1311946A (en) Ethylene propylene copolymers
JPS5329390A (en) Preparation of ethylene-propylene block copolymer
GB1406928A (en) Method of producing copolymers of 1-olefins and conjugated dienes and catalysts therefor
GB1517327A (en) Process for the polymerisation of ethylene and catalyst therefor
JPS5411985A (en) Preparation of olefin polymer
GB1248271A (en) Novel catalyst and process for the preparation of trans-polypentenamers
GB2114583B (en) Olefin polymerisation catalysts, methods for the production thereof and use in the polymerisation of olefins
ES465383A1 (es) Procedimiento de obtencion de un componente que contiene ti-tanio para catalizadores de tipo ziegler-natta.
GB1447706A (en) Manufacture of a titanium component for catalysts of the ziegler/ natta type

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee