BE781753A - Procede de preparation d'alpha-methylstyrene contenant des copolymeres a blocs - Google Patents
Procede de preparation d'alpha-methylstyrene contenant des copolymeres a blocsInfo
- Publication number
- BE781753A BE781753A BE781753A BE781753A BE781753A BE 781753 A BE781753 A BE 781753A BE 781753 A BE781753 A BE 781753A BE 781753 A BE781753 A BE 781753A BE 781753 A BE781753 A BE 781753A
- Authority
- BE
- Belgium
- Prior art keywords
- block copolymers
- containing block
- preparing alpha
- methylstyrene containing
- methylstyrene
- Prior art date
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
- C08F297/02—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 anionic type
- C08F297/04—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 anionic type polymerising vinyl aromatic monomers and conjugated dienes
- C08F297/046—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 anionic type polymerising vinyl aromatic monomers and conjugated dienes polymerising vinyl aromatic monomers and isoprene, optionally with other conjugated dienes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7104949A NL7104949A (ja) | 1971-04-14 | 1971-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE781753A true BE781753A (fr) | 1972-10-06 |
Family
ID=19812908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE781753A BE781753A (fr) | 1971-04-14 | 1972-04-06 | Procede de preparation d'alpha-methylstyrene contenant des copolymeres a blocs |
Country Status (8)
Country | Link |
---|---|
US (1) | US3925512A (ja) |
BE (1) | BE781753A (ja) |
CA (1) | CA1011492A (ja) |
DE (1) | DE2217212A1 (ja) |
FR (1) | FR2133642B1 (ja) |
GB (1) | GB1386663A (ja) |
IT (1) | IT952640B (ja) |
NL (1) | NL7104949A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6806317B2 (en) * | 2000-11-20 | 2004-10-19 | Kuraray Co., Ltd. | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
WO2003025026A1 (en) * | 2001-09-14 | 2003-03-27 | Dow Global Technologies Inc. | Block copolymers containing hydrogenated vinyl aromatic/(alpha-alkylstyrene)copolymer blocks |
FR3045615A1 (fr) * | 2015-12-21 | 2017-06-23 | Michelin & Cie | Procede de synthese d'un elastomere thermoplastique comprenant au moins un bloc poly(alpha-methylstyrene) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070574A (en) * | 1958-04-16 | 1962-12-25 | Basf Ag | Process for graftpolymerizing alphamethylstyrene in the presence of cyclic ethers and alkali metal catalyst |
US3251905A (en) * | 1963-08-05 | 1966-05-17 | Phillips Petroleum Co | Method of preparing block copolymers of conjugated dienes and vinyl-substituted aromatic compounds using dilithio catalysts and diluent mixture of hydrocarbon and ether |
US3346666A (en) * | 1965-10-21 | 1967-10-10 | Dow Chemical Co | Polymeric dicarboxylic acids of block copolymers of alpha-methyl styrene and conjugated diolefins and method of making the same |
US3665052A (en) * | 1970-08-25 | 1972-05-23 | Dow Corning | Method of preparing a block copolymer containing a poly-alpha-methylstyrene block and a polydiorganosiloxane block |
-
1971
- 1971-04-14 NL NL7104949A patent/NL7104949A/xx unknown
-
1972
- 1972-04-06 BE BE781753A patent/BE781753A/xx unknown
- 1972-04-06 GB GB1598372A patent/GB1386663A/en not_active Expired
- 1972-04-07 CA CA139,147A patent/CA1011492A/en not_active Expired
- 1972-04-07 US US242234A patent/US3925512A/en not_active Expired - Lifetime
- 1972-04-10 DE DE19722217212 patent/DE2217212A1/de active Pending
- 1972-04-12 FR FR727212760A patent/FR2133642B1/fr not_active Expired
- 1972-04-13 IT IT49602/72A patent/IT952640B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2133642A1 (ja) | 1972-12-01 |
FR2133642B1 (ja) | 1974-07-26 |
NL7104949A (ja) | 1972-10-17 |
DE2217212A1 (de) | 1972-11-02 |
US3925512A (en) | 1975-12-09 |
CA1011492A (en) | 1977-05-31 |
IT952640B (it) | 1973-07-30 |
GB1386663A (en) | 1975-03-12 |
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