ES394569A1 - Procedimiento para elevar el peso molecular de un polimero de un dieno conjugado yno un hodrocarburo vinilaromatico. - Google Patents
Procedimiento para elevar el peso molecular de un polimero de un dieno conjugado yno un hodrocarburo vinilaromatico.Info
- Publication number
- ES394569A1 ES394569A1 ES394569A ES394569A ES394569A1 ES 394569 A1 ES394569 A1 ES 394569A1 ES 394569 A ES394569 A ES 394569A ES 394569 A ES394569 A ES 394569A ES 394569 A1 ES394569 A1 ES 394569A1
- Authority
- ES
- Spain
- Prior art keywords
- alkali metal
- polymer
- couplings
- coupling
- atoms
- 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
Links
- 230000008878 coupling Effects 0.000 title abstract 5
- 238000010168 coupling process Methods 0.000 title abstract 5
- 238000005859 coupling reaction Methods 0.000 title abstract 5
- 229920000642 polymer Polymers 0.000 title abstract 4
- 150000001340 alkali metals Chemical class 0.000 title abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 title abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 2
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 125000004429 atom Chemical group 0.000 abstract 1
- 150000001993 dienes Chemical class 0.000 abstract 1
- 150000002148 esters Chemical group 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
- C08F8/00—Chemical modification by after-treatment
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)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6989970A | 1970-09-04 | 1970-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES394569A1 true ES394569A1 (es) | 1974-11-01 |
Family
ID=22091901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES394569A Expired ES394569A1 (es) | 1970-09-04 | 1971-08-27 | Procedimiento para elevar el peso molecular de un polimero de un dieno conjugado yno un hodrocarburo vinilaromatico. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5023431B1 (OSRAM) |
| BE (1) | BE772158A (OSRAM) |
| CA (1) | CA973300A (OSRAM) |
| DE (1) | DE2143363B2 (OSRAM) |
| ES (1) | ES394569A1 (OSRAM) |
| FR (1) | FR2107189A5 (OSRAM) |
| GB (1) | GB1363148A (OSRAM) |
| ZA (1) | ZA713475B (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL164050C (nl) * | 1972-05-31 | 1980-11-17 | Shell Int Research | Werkwijze voor het bereiden van polymeren met een verbrede molecuulgewichtsdistributie uit levende homo- of copolymeren van geconjugeerde dienen. |
| DE2239401A1 (de) * | 1972-08-10 | 1974-02-21 | Basf Ag | Block- bzw. pfropfcopolymere aus polyalkylenoxiden und vinylaromat- oder dienpolymerisaten |
| US3813455A (en) * | 1972-10-02 | 1974-05-28 | Goodyear Tire & Rubber | Process for increasing molecular weight of live polymers |
| US5194510A (en) * | 1990-05-21 | 1993-03-16 | Shell Oil Company | Thermoplastic elastomers |
| CA2043307A1 (en) * | 1990-05-29 | 1991-11-30 | Robert J. Sutherland | Functionalized star polymers |
-
1971
- 1971-05-18 CA CA113271402-422A patent/CA973300A/en not_active Expired
- 1971-05-28 ZA ZA713475A patent/ZA713475B/xx unknown
- 1971-06-23 JP JP46045562A patent/JPS5023431B1/ja active Pending
- 1971-08-27 ES ES394569A patent/ES394569A1/es not_active Expired
- 1971-08-30 DE DE2143363A patent/DE2143363B2/de not_active Ceased
- 1971-09-02 FR FR7131798A patent/FR2107189A5/fr not_active Expired
- 1971-09-03 BE BE772158A patent/BE772158A/xx unknown
- 1971-09-03 GB GB4124171A patent/GB1363148A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5023431B1 (OSRAM) | 1975-08-07 |
| DE2143363B2 (de) | 1980-06-26 |
| CA973300A (en) | 1975-08-19 |
| FR2107189A5 (OSRAM) | 1972-05-05 |
| ZA713475B (en) | 1972-01-26 |
| GB1363148A (en) | 1974-08-14 |
| DE2143363A1 (de) | 1972-03-16 |
| BE772158A (fr) | 1972-01-17 |
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