NL164297C - Process for preparing improved block copolymers of styrene and conjugated dienes. - Google Patents
Process for preparing improved block copolymers of styrene and conjugated dienes.Info
- Publication number
- NL164297C NL164297C NL7015267.A NL7015267A NL164297C NL 164297 C NL164297 C NL 164297C NL 7015267 A NL7015267 A NL 7015267A NL 164297 C NL164297 C NL 164297C
- Authority
- NL
- Netherlands
- Prior art keywords
- styrene
- block copolymers
- conjugated dienes
- improved block
- preparing improved
- Prior art date
Links
Classifications
-
- 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
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/02—Hydrogenation
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86786869A | 1969-10-20 | 1969-10-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7015267A NL7015267A (en) | 1971-04-22 |
NL164297B NL164297B (en) | 1980-07-15 |
NL164297C true NL164297C (en) | 1980-12-15 |
Family
ID=25350629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7015267.A NL164297C (en) | 1969-10-20 | 1970-10-19 | Process for preparing improved block copolymers of styrene and conjugated dienes. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4830151B1 (en) |
BE (1) | BE757365A (en) |
CA (1) | CA936993A (en) |
DE (1) | DE2051251A1 (en) |
ES (1) | ES384680A1 (en) |
FR (1) | FR2066168A5 (en) |
GB (1) | GB1271045A (en) |
NL (1) | NL164297C (en) |
ZA (1) | ZA707111B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL86588C (en) * | 1980-09-20 | |||
JPS5836705A (en) * | 1981-08-27 | 1983-03-03 | Bridgestone Corp | Pneumatic tire with improved tread |
US4526934A (en) * | 1982-03-19 | 1985-07-02 | Bridgestone Tire Company Limited | Branched styrene-butadiene copolymers and pneumatic tires using the same |
ES2154520B1 (en) * | 1997-06-20 | 2001-12-01 | Repsol Quimica Sa | PROCEDURE FOR THE PRODUCTION OF HYDROGEN HUBS. |
US5985995A (en) * | 1997-06-20 | 1999-11-16 | Repsol Quimica, S.A. | Process for producing hydrogenated rubbers |
-
0
- BE BE757365D patent/BE757365A/en not_active IP Right Cessation
-
1970
- 1970-10-19 FR FR7037623A patent/FR2066168A5/fr not_active Expired
- 1970-10-19 GB GB49474/70A patent/GB1271045A/en not_active Expired
- 1970-10-19 ZA ZA707111A patent/ZA707111B/en unknown
- 1970-10-19 DE DE19702051251 patent/DE2051251A1/en not_active Withdrawn
- 1970-10-19 JP JP45091245A patent/JPS4830151B1/ja active Pending
- 1970-10-19 ES ES384680A patent/ES384680A1/en not_active Expired
- 1970-10-19 NL NL7015267.A patent/NL164297C/en not_active IP Right Cessation
- 1970-10-19 CA CA095922A patent/CA936993A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2051251A1 (en) | 1971-04-29 |
ZA707111B (en) | 1971-07-28 |
GB1271045A (en) | 1972-04-19 |
ES384680A1 (en) | 1973-03-16 |
FR2066168A5 (en) | 1971-08-06 |
NL7015267A (en) | 1971-04-22 |
JPS4830151B1 (en) | 1973-09-18 |
BE757365A (en) | 1971-04-13 |
NL164297B (en) | 1980-07-15 |
CA936993A (en) | 1973-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
|
V4 | Lapsed because of reaching the maximum lifetime of a patent |