IT988729B - PROCESS FOR THE PREPARATION OF POLYMERS WITH A LARGER DISTRIBUTION OF MOLECULAR WEIGHTS FROM HOMO POLYMERS OR LIVE COPOLYMERS OF CONJUGATED DIENES - Google Patents
PROCESS FOR THE PREPARATION OF POLYMERS WITH A LARGER DISTRIBUTION OF MOLECULAR WEIGHTS FROM HOMO POLYMERS OR LIVE COPOLYMERS OF CONJUGATED DIENESInfo
- Publication number
- IT988729B IT988729B IT24732/73A IT2473273A IT988729B IT 988729 B IT988729 B IT 988729B IT 24732/73 A IT24732/73 A IT 24732/73A IT 2473273 A IT2473273 A IT 2473273A IT 988729 B IT988729 B IT 988729B
- Authority
- IT
- Italy
- Prior art keywords
- polymers
- live
- copolymers
- preparation
- molecular weights
- 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 (en) | 1972-05-31 | 1972-05-31 | PROCESS FOR PREPARING POLYMERS WITH WIDENED MOLECULAR WEIGHT DISTRIBUTION FROM LIVING HOMO OR COPOLYMERS OF CONJUGATED SERVES. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT988729B true IT988729B (en) | 1975-04-30 |
Family
ID=19816173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24732/73A IT988729B (en) | 1972-05-31 | 1973-05-29 | PROCESS FOR THE PREPARATION OF POLYMERS WITH A LARGER DISTRIBUTION OF MOLECULAR WEIGHTS FROM HOMO POLYMERS OR LIVE COPOLYMERS OF CONJUGATED DIENES |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5617362B2 (en) |
AU (1) | AU473636B2 (en) |
BE (1) | BE799852A (en) |
CA (1) | CA1032290A (en) |
DE (1) | DE2327378C2 (en) |
ES (1) | ES415332A1 (en) |
FR (1) | FR2186483B1 (en) |
GB (1) | GB1396630A (en) |
IT (1) | IT988729B (en) |
NL (1) | NL164050C (en) |
ZA (1) | ZA733643B (en) |
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 |
EP0634420A1 (en) * | 1993-07-12 | 1995-01-18 | Shell Internationale Researchmaatschappij B.V. | Star polymers |
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/en 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/en not_active IP Right Cessation
- 1973-05-29 GB GB2533073A patent/GB1396630A/en 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 DE DE2327378A patent/DE2327378C2/en not_active Expired
- 1973-05-29 ZA ZA733643A patent/ZA733643B/en unknown
- 1973-05-29 ES ES415332A patent/ES415332A1/en not_active Expired
- 1973-05-29 FR FR7319469A patent/FR2186483B1/fr not_active Expired
- 1973-05-29 IT IT24732/73A patent/IT988729B/en active
Also Published As
Publication number | Publication date |
---|---|
AU5625773A (en) | 1974-12-05 |
DE2327378C2 (en) | 1983-03-03 |
FR2186483B1 (en) | 1976-05-28 |
NL164050B (en) | 1980-06-16 |
ES415332A1 (en) | 1976-02-01 |
JPS4942784A (en) | 1974-04-22 |
CA1032290A (en) | 1978-05-30 |
ZA733643B (en) | 1974-04-24 |
FR2186483A1 (en) | 1974-01-11 |
AU473636B2 (en) | 1976-06-24 |
GB1396630A (en) | 1975-06-04 |
NL164050C (en) | 1980-11-17 |
DE2327378A1 (en) | 1973-12-13 |
JPS5617362B2 (en) | 1981-04-22 |
NL7207334A (en) | 1973-12-04 |
BE799852A (en) | 1973-11-22 |
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