ZA802450B - Block copolymerization process - Google Patents

Block copolymerization process

Info

Publication number
ZA802450B
ZA802450B ZA00802450A ZA802450A ZA802450B ZA 802450 B ZA802450 B ZA 802450B ZA 00802450 A ZA00802450 A ZA 00802450A ZA 802450 A ZA802450 A ZA 802450A ZA 802450 B ZA802450 B ZA 802450B
Authority
ZA
South Africa
Prior art keywords
block copolymerization
copolymerization process
block
copolymerization
Prior art date
Application number
ZA00802450A
Other languages
English (en)
Inventor
E Zukowski
Original Assignee
El Paso Polyolefins
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 El Paso Polyolefins filed Critical El Paso Polyolefins
Publication of ZA802450B publication Critical patent/ZA802450B/xx

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
ZA00802450A 1979-07-27 1980-04-23 Block copolymerization process ZA802450B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/064,961 US4284739A (en) 1979-07-27 1979-07-27 Block copolymerization process

Publications (1)

Publication Number Publication Date
ZA802450B true ZA802450B (en) 1981-04-29

Family

ID=22059405

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00802450A ZA802450B (en) 1979-07-27 1980-04-23 Block copolymerization process

Country Status (11)

Country Link
US (1) US4284739A (de)
JP (1) JPS5620011A (de)
BR (1) BR8004580A (de)
CA (1) CA1148698A (de)
DE (1) DE3027350C2 (de)
DK (1) DK321780A (de)
FR (1) FR2462452B1 (de)
MX (1) MX153071A (de)
NO (1) NO157063C (de)
SE (1) SE449495B (de)
ZA (1) ZA802450B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA805568B (en) * 1980-07-07 1982-01-27 El Paso Polyolefins Block copolymerization process and product
JPS5761012A (en) * 1980-09-30 1982-04-13 Showa Denko Kk Production of thermoplastic elastic elastomer
JPS5798519A (en) * 1980-12-12 1982-06-18 Chisso Corp Production of modified polypropylene
JPS57170911A (en) * 1981-04-16 1982-10-21 Mitsui Toatsu Chem Inc Continuous preparation of propylene-ethylene copolymer
US4491652A (en) * 1981-05-13 1985-01-01 Uniroyal, Inc. Sequentially prepared thermoplastic elastomer and method of preparing same
JPS5840314A (ja) * 1981-09-04 1983-03-09 Mitsui Toatsu Chem Inc プロピレンブロツク共重合体組成物
JPS5883016A (ja) * 1981-11-13 1983-05-18 Mitsui Petrochem Ind Ltd プロピレンブロツク共重合体の製法

Family Cites Families (17)

* 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
US3442978A (en) * 1962-12-13 1969-05-06 Avisun Corp Preparation of block copolymers of propylene and ethylene
US3514501A (en) * 1967-01-09 1970-05-26 Dart Ind Inc Process for preparing block polymers from alpha-olefins
US3642951A (en) * 1967-09-23 1972-02-15 Chisso Corp Ethylene propylene block copolymer and a 2-step method for producing same
US3624184A (en) * 1968-07-10 1971-11-30 Exxon Research Engineering Co Process for controlling monomer ratio in copolymerization reaction
NL170962C (nl) * 1971-04-06 1983-01-17 Montedison Spa Werkwijze om katalysatoren te bereiden om alkenen te polymeriseren.
US3953414A (en) * 1972-09-13 1976-04-27 Montecatini Edison S.P.A., Catalysts for the polymerization of olefins to spherically shaped polymers
US3960987A (en) * 1973-07-03 1976-06-01 Dart Industries Inc. Process for producing high melt flow poly-olefin polymers
US4051313A (en) * 1973-08-03 1977-09-27 Montedison S.P.A. Process for purifying polypropylene
IT998321B (it) * 1973-08-03 1976-01-20 Montedison Spa Purificazione di polipropilene
IT1042711B (it) * 1975-09-19 1980-01-30 Montedison Spa Compnenti di catalizzatori per la polimerizzazione di olefine
JPS5388049A (en) * 1977-01-13 1978-08-03 Mitsui Petrochem Ind Ltd Molding polymer composition and its preparation
JPS6014765B2 (ja) * 1977-07-27 1985-04-16 昭和電工株式会社 プロピレン共重合体の製造法
JPS6034566B2 (ja) * 1977-09-05 1985-08-09 昭和電工株式会社 プロピレン共重合体の製造方法
JPS5811448B2 (ja) * 1978-02-27 1983-03-03 株式会社トクヤマ ブロック共重合体の製造方法
JPS54133587A (en) * 1978-04-10 1979-10-17 Mitsubishi Chem Ind Ltd Preparation of block copolymer
JPS6021642B2 (ja) * 1979-03-08 1985-05-29 三井化学株式会社 プロピレン・エチレン弾性共重合体の製造方法

Also Published As

Publication number Publication date
US4284739A (en) 1981-08-18
DE3027350A1 (de) 1981-02-12
DK321780A (da) 1981-01-28
JPS5620011A (en) 1981-02-25
CA1148698A (en) 1983-06-21
SE8005402L (sv) 1981-01-28
FR2462452A1 (fr) 1981-02-13
NO157063C (no) 1988-01-13
NO157063B (no) 1987-10-05
NO801445L (no) 1981-01-28
SE449495B (sv) 1987-05-04
MX153071A (es) 1986-07-25
DE3027350C2 (de) 1983-02-10
BR8004580A (pt) 1981-02-03
FR2462452B1 (fr) 1985-09-27

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