ZA733643B - A process for the preparation of polymers with a broadened molecular weight distribution from living homopolymers of conjugated dienes - Google Patents
A process for the preparation of polymers with a broadened molecular weight distribution from living homopolymers of conjugated dienesInfo
- Publication number
- ZA733643B ZA733643B ZA733643A ZA733643A ZA733643B ZA 733643 B ZA733643 B ZA 733643B ZA 733643 A ZA733643 A ZA 733643A ZA 733643 A ZA733643 A ZA 733643A ZA 733643 B ZA733643 B ZA 733643B
- Authority
- ZA
- South Africa
- Prior art keywords
- polymers
- preparation
- molecular weight
- weight distribution
- conjugated dienes
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
- C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
- C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
-
- 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7207334.A NL164050C (nl) | 1972-05-31 | 1972-05-31 | Werkwijze voor het bereiden van polymeren met een verbrede molecuulgewichtsdistributie uit levende homo- of copolymeren van geconjugeerde dienen. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA733643B true ZA733643B (en) | 1974-04-24 |
Family
ID=19816173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA733643A ZA733643B (en) | 1972-05-31 | 1973-05-29 | A process for the preparation of polymers with a broadened molecular weight distribution from living homopolymers of conjugated dienes |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5617362B2 (it) |
AU (1) | AU473636B2 (it) |
BE (1) | BE799852A (it) |
CA (1) | CA1032290A (it) |
DE (1) | DE2327378C2 (it) |
ES (1) | ES415332A1 (it) |
FR (1) | FR2186483B1 (it) |
GB (1) | GB1396630A (it) |
IT (1) | IT988729B (it) |
NL (1) | NL164050C (it) |
ZA (1) | ZA733643B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU515569B2 (en) * | 1977-11-11 | 1981-04-09 | Phillips Petroleum Company | Coupled diene polymers |
JPS57100112A (en) * | 1980-12-16 | 1982-06-22 | Asahi Chem Ind Co Ltd | Perfectly random styrene-butadiene copolymer rubber |
GB8918702D0 (en) * | 1989-08-16 | 1989-09-27 | Shell Int Research | Process for the preparation of random solution copolymers of conjugated dienes and vinyl aromatic compounds |
JPH0753649A (ja) * | 1993-07-12 | 1995-02-28 | Shell Internatl Res Maatschappij Bv | 星形高分子 |
US5310798A (en) * | 1993-08-16 | 1994-05-10 | Bridgestone/Firestone, Inc. | Diene polymers and copolymers terminated with compounds having multiple-bonded nitrogen atoms and partially crosslinked with polyfunctional reagents |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3135716A (en) * | 1958-11-06 | 1964-06-02 | Phillips Petroleum Co | Process for preparing terminally reactive polymers |
US3281383A (en) * | 1962-08-09 | 1966-10-25 | Phillips Petroleum Co | Branched polymers prepared from monolithium-terminated polymers and compounds having at least three reactive sites |
US3594452A (en) * | 1968-02-06 | 1971-07-20 | Shell Oil Co | Polymers prepared from monolithiumterminated block copolymers and certain diesters |
US3651025A (en) * | 1970-02-02 | 1972-03-21 | Shell Oil Co | Diene polymerization process |
CA973300A (en) * | 1970-09-04 | 1975-08-19 | Henry L. Hsieh | ESTERS OF .alpha.,.beta.-UNSATURATED ACIDS AS COUPLING AGENTS FOR ALKALI METAL CONTAINING POLYMERS |
-
1972
- 1972-05-31 NL NL7207334.A patent/NL164050C/xx not_active IP Right Cessation
-
1973
- 1973-05-10 CA CA170,950A patent/CA1032290A/en not_active Expired
- 1973-05-22 BE BE1005073A patent/BE799852A/xx not_active IP Right Cessation
- 1973-05-29 FR FR7319469A patent/FR2186483B1/fr not_active Expired
- 1973-05-29 DE DE2327378A patent/DE2327378C2/de not_active Expired
- 1973-05-29 ZA ZA733643A patent/ZA733643B/xx unknown
- 1973-05-29 IT IT24732/73A patent/IT988729B/it active
- 1973-05-29 ES ES415332A patent/ES415332A1/es not_active Expired
- 1973-05-29 AU AU56257/73A patent/AU473636B2/en not_active Expired
- 1973-05-29 JP JP5940073A patent/JPS5617362B2/ja not_active Expired
- 1973-05-29 GB GB2533073A patent/GB1396630A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4942784A (it) | 1974-04-22 |
FR2186483B1 (it) | 1976-05-28 |
DE2327378C2 (de) | 1983-03-03 |
BE799852A (nl) | 1973-11-22 |
NL7207334A (it) | 1973-12-04 |
IT988729B (it) | 1975-04-30 |
CA1032290A (en) | 1978-05-30 |
FR2186483A1 (it) | 1974-01-11 |
NL164050C (nl) | 1980-11-17 |
ES415332A1 (es) | 1976-02-01 |
GB1396630A (en) | 1975-06-04 |
DE2327378A1 (de) | 1973-12-13 |
JPS5617362B2 (it) | 1981-04-22 |
AU5625773A (en) | 1974-12-05 |
NL164050B (nl) | 1980-06-16 |
AU473636B2 (en) | 1976-06-24 |
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