CA1043493A - Process for producing modified polypropylene - Google Patents

Process for producing modified polypropylene

Info

Publication number
CA1043493A
CA1043493A CA220,817A CA220817A CA1043493A CA 1043493 A CA1043493 A CA 1043493A CA 220817 A CA220817 A CA 220817A CA 1043493 A CA1043493 A CA 1043493A
Authority
CA
Canada
Prior art keywords
ethylene
propylene
stage
polymerization
weight
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
CA220,817A
Other languages
English (en)
French (fr)
Other versions
CA220817S (en
Inventor
Michio Koga
Hideo Sato
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
Application granted granted Critical
Publication of CA1043493A publication Critical patent/CA1043493A/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)
  • Polymerization Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
CA220,817A 1974-02-27 1975-02-26 Process for producing modified polypropylene Expired CA1043493A (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
CA1043493A true CA1043493A (en) 1978-11-28

Family

ID=12079685

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,817A Expired CA1043493A (en) 1974-02-27 1975-02-26 Process for producing modified polypropylene

Country Status (8)

Country Link
US (1) US3974236A (en, 2012)
JP (1) JPS5810415B2 (en, 2012)
CA (1) CA1043493A (en, 2012)
DE (1) DE2508146C2 (en, 2012)
FR (1) FR2262054B1 (en, 2012)
GB (1) GB1497822A (en, 2012)
IT (1) IT1029883B (en, 2012)
NL (1) NL181200C (en, 2012)

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, 2012) * 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, 2012) * 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
GB1497822A (en) 1978-01-12
JPS5810415B2 (ja) 1983-02-25
DE2508146C2 (de) 1984-09-13
US3974236A (en) 1976-08-10
FR2262054B1 (en, 2012) 1979-03-16
JPS50115296A (en, 2012) 1975-09-09
NL7502267A (nl) 1975-08-29
FR2262054A1 (en, 2012) 1975-09-19

Similar Documents

Publication Publication Date Title
CA1043493A (en) Process for producing modified polypropylene
US3378606A (en) Semicrystalline stereoblock copolymers
CA1118945A (en) Process for the polymerization ethylene
EP1242470B1 (en) Preparation of ultra-high-molecular-weight polyethylene
EP0527221B1 (en) Process for preparing polyolefins having a bimodal molecular weight distribution
US5013802A (en) Process for preparing ethylene polymers
DE69810781T2 (de) Polydisperses propylenpolymer und verfahren zu dessen herstellung
US4065520A (en) Gradient polymers of two or more alpha mono-olefinic monomers capable of polymerizing with themselves and each other
US5990235A (en) Olefin block copolymer and production process thereof
US3991260A (en) Process for preparing polyolefins
JPH09235328A (ja) 幅広い分子量分布を有する高分子量ポリプロピレン
US4550145A (en) Process for the production of propylene block copolymers by a three step method
EP1046655B1 (en) Production of polyethylene
US4254237A (en) Process for producing propylene-ethylene block copolymers
CA1074500A (en) Process for preparing polyofefins
US3329741A (en) Process for preparing rubbery polymers with a catalyst comprising ti(or)4
CA1061050A (en) Process of preparing polyolefins
WO1997008213A1 (de) Polymerisate des ethylens mit hoher spannungsrissbeständigkeit und katalysatorsystem für deren herstellung
US3670053A (en) Production of modified polypropylenes
US5166279A (en) Process for the gas phase (co-)polymerization of ethylene
JPH078890B2 (ja) オレフインの連続重合法
CA1126899A (en) Process for producing propylene-ethylene block copolymers
US4414373A (en) Propylene-ethylene copolymer having improved stretchability
CA1173190A (en) Thermoplastic elastomeric copolymer including a crystalline polypropylene block and a random ethylene-propylene copolymer block
US6569964B2 (en) Alumoxane-enhanced, supported Ziegler-Natta catalysts, methods of making same, processes of using same and polymers produced therefrom