WO2001060879A1 - Copolymere multisequence et son procede de preparation - Google Patents
Copolymere multisequence et son procede de preparation Download PDFInfo
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- WO2001060879A1 WO2001060879A1 PCT/CN2000/000228 CN0000228W WO0160879A1 WO 2001060879 A1 WO2001060879 A1 WO 2001060879A1 CN 0000228 W CN0000228 W CN 0000228W WO 0160879 A1 WO0160879 A1 WO 0160879A1
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- 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
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- 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
Definitions
- Multi-block copolymer and preparation method thereof Multi-block copolymer and preparation method thereof
- the invention relates to a multi-block copolymer of a conjugated diene and a monovinylarene and a preparation method thereof. More specifically, the present invention relates to a multi-block copolymer having the following symmetrical structure and a preparation method thereof:
- Y is a random copolymer block of a conjugated diene and a monovinylarene monomer
- X is a homopolymer block of butadiene, a homopolymer block of isoprene, or a copolymer block of butadiene and isoprene.
- SBS is a triblock copolymer of butadiene and styrene (where: B is a polybutadiene block and S is a polystyrene block), and SIS is isoprene and styrene Triblock copolymer (where '. I is a polyisoprene block and S is a polystyrene block).
- Such block copolymers include the following symmetrical structures: (1) S -I-B- I-S (butadiene, isoprene, and styrene are added sequentially); (2) S— B— I— B—S (isoprene, butadiene, and styrene are added sequentially) );
- S is polystyrene Block
- B is polybutadiene block
- I is polyisoprene block
- BI is butadiene
- BS is butadiene
- IS is an isoprene, styrene ladder copolymer block.
- the purpose of the present invention is to provide a novel type of multi-block copolymer of conjugated diene and monovinylarene, which has both conjugated diene and monovinylarene random copolymer rubber block and selection From butadiene homopolymer blocks, isoprene homopolymer blocks, and rubber blocks of butadiene and isoprene copolymer blocks, so that such block copolymers have both
- the excellent properties of rubber can be used as a comprehensive integrated rubber material.
- Another object of the present invention is to provide a method for preparing the above-mentioned multi-block copolymer, which can make the above-mentioned integrated rubber in situ in a single reactor, instead of a method of physical blending.
- the present invention relates to a multi-block copolymer having a symmetrical structure represented by the following formula:
- Y is a random copolymer block of a conjugated diene and a monovinylarene monomer
- X is a homopolymer block of butadiene, a homopolymer block of isoprene, or a copolymer block of butadiene and isoprene.
- the present invention also relates to a method for preparing the above-mentioned multi-block copolymer by anionic polymerization.
- the present invention also relates to the use of the above-mentioned multi-block copolymer as an elastomer. Detailed description of the invention The present invention will be described in detail below.
- the block X is a homopolymer block of butadiene, a homopolymer block of isoprene, or a copolymer block of butadiene and isoprene.
- the block X is a block having a structure represented by the following formula:
- B is a homopolymer block of butadiene
- I is a homopolymer block of isoprene
- BI is a ladder copolymer block of butadiene and isoprene.
- block copolymer of the present invention is preferably a multi-block copolymer having a structure represented by the following formula:
- the content of the butadiene 1,2-addition polymerization structure is preferably 6% to 35% by weight, and more preferably 10 % -20% by weight; based on the total weight of the isoprene-derived units in block X, the content of the isoprene 3, 4-addition polymerization structure is preferably 6% -35% by weight, More preferably, it is 10% to 20% by weight.
- the block X is a copolymer block of butadiene and isoprene
- the block X is an I—B—I—, —B—I—B — or —I
- the weight ratio of butadiene to isoprene units in the block is preferably 10/90 to 90/10, and more preferably 30/70 to 70/30.
- the block Y is a random copolymer block of a conjugated diene and a monovinylarene monomer.
- Suitable monomers are any conjugated diene and monovinylarene monomers that can produce random copolymer rubber blocks.
- Preferred conjugated diene monomers are C 4 -C h conjugated diene. Specific examples include butadiene, isoprene, 1, 3-pentadiene, 1, 3 -hexadiene, 2, 3 -Dimethyl butadiene and mixtures thereof, more preferably butadiene and isoprene, and most preferably butadiene.
- Preferred monovinylarene monomers include ethylene or alkyl-substituted styrene, such as vinyl toluene (all isomers), ⁇ -methylacetophenone, 4-tert-butylstyrene, 4-methylbenzene Ethylene, 3,5-diethylstyrene, 3,5-di-n-butylstyrene, 4-n-propylstyrene, 4-dodecylstyrene, etc., and mixtures thereof, more preferably monoethylene Aromatic monomers include styrene, vinyltoluene, c-methylstyrene, and mixtures thereof, with styrene being most preferred.
- the content of the monovinyl aromatic hydrocarbon is generally 10% to 50% by weight, preferably 15% to 35, based on the total weight of the block fluorene. % By weight; correspondingly, the content of conjugated diene is generally 50% to 90% by weight, preferably 65% to 85% by weight.
- the content of the conjugated diene 1, 2- or 3, 4- addition polymerization structure is preferably 6% to 80% based on the total weight of the units derived from the conjugated diene in the block fluorene ( Weight), more preferably 10%-50% by weight.
- the weight ratio of the total amount of block VII to block X is preferably 10/90 to 9080, more preferably 30/70 to 70/30.
- the number average molecular weight M ⁇ of the multi-block copolymer of the present invention is preferably 5 ⁇ 10 4 to 35 ⁇ 10 4 , and more preferably 10 ⁇ 10 4 to 25 ⁇ 10 4 .
- the multiblock copolymer of the present invention can be prepared by an anionic polymerization method.
- the preparation method includes:
- Block X Anion polymerization of butadiene and / or isoprene in a non-polar hydrocarbon solvent in the presence of a bifunctional lithium initiator until the polymerization of butadiene and / or isoprene is complete to form Block X; then
- step a of the method of the present invention may be accompanied by: (1) when block X is -B-, butadiene is polymerized in step a; (2) when block When X is -I-, isoprene is polymerized in step a; (3) When block X is -IB-I, butadiene is completely polymerized in step a, and then isoprene is added.
- step a isoprene is first polymerized completely, and then butadiene is added and polymerized completely;
- step a is to add a mixture of butadiene and isoprene to the non-polar hydrocarbon solvent and complete the polymerization of them.
- the method for preparing the multi-block copolymer Y-B-Y of the present invention is as follows: In a non-polar hydrocarbon solvent, a butadiene monomer is added to the reactor according to the monomer ratio, and the The microstructure of diene requires the determination of whether a polar additive is used, and the type and amount of the polar additive depend on the design value of the 1,2-polybutadiene content in the polybutadiene block.
- the monomer concentration is 10%-20% by weight.
- the initiation reaction temperature is usually 30 ° C-80 ° C.
- a bifunctional lithium initiator is added, and the amount of the bifunctional lithium initiator depends on the number average molecular weight of the copolymer.
- the functional lithium initiator may be a difunctional lithium initiator or a mixture of several difunctional lithium initiators, and is generally selected from the group consisting of di-substituted alkane-type lithium and its oligomers, di-lithium, naphthalene-type lithium, and Olefin plus Dilithium and its oligomers.
- the conjugated diene and monovinylarene monomer containing the polar additive are once mixed according to the monomer ratio of the conjugated diene and the monovinylarene monomer random copolymer block. Add to the reactor and start preparing the Y block.
- the purpose of adding the polar additive is to change the polymerization ratio of the conjugated diene and the monovinylarene, to achieve random copolymerization of the conjugated diene and the monovinylarene, and to obtain a random copolymer block Y.
- the amount of polar additives is based on the random copolymerization of conjugated diene and monovinylarene, and it depends on the type of polar compound. After all the conjugated difluorene and monovinylarene are reacted, the polymerization reaction is terminated in a conventional manner, and a polymer product is recovered.
- the multi-block copolymer ⁇ - ⁇ - ⁇ of the present invention is prepared as follows: In a non-polar hydrocarbon solvent, isoprene monomer is added to the reactor at one time according to the monomer ratio.
- the microstructure of polyisoprene requires the determination of whether a polar additive is used, and the type and amount of the polar additive depend on the design value of the 3,4-polyisoprene content in the polyisoprene block.
- the monomer concentration is 10%-20% by weight.
- the initiation reaction temperature is usually 30 ° C-80.
- C Add a bifunctional lithium initiator.
- the amount of the bifunctional lithium initiator is only as good as the number average molecular weight of the copolymer.
- the bifunctional lithium initiator may be a bifunctional lithium initiator or a mixture of several bifunctional lithium initiators, and is generally selected from dihaloalkane dilithium and its oligomers, molybdenum, naphthalene dilithium, Difluorene hydrocarbon addition type double lithium and its oligomer double lithium. After all the isoprene is reacted, the conjugated diene and monovinylarene monomer containing polar additives are added to the reactor at one time according to the monomer ratio, and the Y block is started to be prepared.
- the purpose of adding the polar additive is to change the polymerization ratio of the conjugated diene and the monovinylarene, to achieve random copolymerization of the conjugated diene and the monovinylarene, and to obtain a random copolymer block Y.
- the amount of polar additives is based on the random copolymerization of conjugated difluorene and monovinylarene, depending on the type of polar compound. After all the conjugated diene and monovinylarene are reacted, the polymerization is terminated in a conventional manner. The reaction is combined to obtain a polymer product.
- the multi-block copolymer Y-I-B-I-Y of the present invention is prepared as follows: In a non-polar hydrocarbon solvent, butadiene monomer is added to the reactor according to the monomer ratio. Depending on the microstructure requirements of the polybutadiene, it is determined whether to use a polar additive, and the type and amount of the polar additive depend on the design value of the 1,2-polybutadiene content in the polybutadiene block. The monomer concentration is 10%-20% by weight. After the initiation temperature is reached, the initiation reaction temperature is usually 30 ° C-80. C, adding a bifunctional lithium initiator, and starting to prepare the B block.
- the amount of the bifunctional lithium initiator depends on the number average molecular weight of the copolymer.
- the bifunctional lithium initiator may be a bifunctional lithium initiator or a mixture of several difunctional lithium initiators, and is generally selected from dihaloalkane dilithium and its oligomer dilithium, naphthalene dilithium, Diolefin addition type double lithium and its oligomer fused lithium. After all the butadiene is reacted, isoprene is added according to the monomer ratio to start the preparation of the I block.
- the conjugated diene and monovinylarene containing polar additives are added to the reactor at a time according to the monomer ratio, and the Y block is started to be prepared.
- the purpose of adding a polar additive is to change the polymerization ratio of conjugated diene and monovinylarene, to achieve random copolymerization of conjugated diene and monovinylarene, and to obtain random copolymer block Y.
- the amount of polar additives is based on the random copolymerization of conjugated diene and monovinylarene, depending on the type of polar compound.
- the multi-block copolymer ⁇ -B-I- ⁇ - ⁇ of the present invention is prepared as follows: In a non-polar hydrocarbon solvent, isoprene monomer is added to the reaction at a time according to the monomer ratio. In the device, it is determined whether the polar additive is used depending on the microstructure of polyisoprene, and the type and amount of the polar additive depend on the design value of the 3, 4-polyisoprene content in the polyisoprene block. set. The monomer concentration is 10%-20% by weight. Reach trigger After the temperature, the initiation reaction temperature is usually 30 ° C -80 ° C, and the difunctional lithium initiator is added to start the preparation of polyisoprene block I.
- the amount of the bifunctional lithium initiator depends on the number average molecular weight of the copolymer.
- the bifunctional lithium initiator may be a trifunctional lithium initiator or a mixture of several difunctional lithium initiators, and is generally selected from dihaloalkane dilithium and its oligomer dilithium, naphthalene dilithium, Diolefin addition type double lithium and its oligomer double lithium. After all the isoprene is reacted, butadiene monomer is added according to the monomer ratio to start the preparation of polybutadiene block B.
- the conjugated diene and monovinylarene monomer containing polar additives are added to the reactor at one time according to the monomer ratio, and the Y block is started to be prepared.
- the purpose of adding the polar additive is to change the polymerization ratio of the conjugated diene and the monovinylarene, to achieve random copolymerization of the conjugated diene and the monovinylarene, and to obtain a random copolymer block Y.
- the amount of polar additives is based on the random copolymerization of conjugated diene and monoethenyl arene, depending on the type of polar compound.
- the multi-block copolymer ⁇ - ⁇ - ⁇ - ⁇ - ⁇ -1- ⁇ of the present invention is prepared as follows: In a non-polar hydrocarbon solvent, butadiene and isoprene are mixed according to the monomer ratio. Diene monomer was added to the reactor at the same time. Depending on the microstructure requirements of polybutadiene and polyisoprene, and the block length of the butadiene and isoprene ladder copolymers, determine whether or not to use polar additives, and the type and amount of polar additives depend on polybutadiene The design values of the 1,2-polybutadiene content in the block and the 3,4-polyisoprene content in the polyisoprene block are determined.
- the monomer concentration is 10%-20% by weight.
- the initiation reaction temperature is usually 30 ° C-80 ° C, and a bifunctional lithium initiator is added.
- the amount of the Han functional lithium initiator depends on the number average molecular weight of the copolymer.
- the Han functional lithium initiator can be a bifunctional lithium initiator or a mixture of several Han functional lithium initiators. Generally selected from double! Alkane-type dilithium and its oligomer dilithium, naphthalene-type molybdenum, diolefin addition type dilithium and its oligomer dilithium.
- the conjugated diene and monovinylarene monomer containing polar additives were added to the reactor at a time according to the monomer ratio, and the Y block was started to be prepared.
- the purpose of adding the polar additive is to change the polymerization ratio of the conjugated diene and the monovinylarene, to achieve random copolymerization of the conjugated diene and the monovinylarene, and to obtain a random copolymer block Y.
- the amount of polar additives is based on the random copolymerization of conjugated diene and monovinylarene, and it depends on the type of polar compound.
- the polar additive used in the present invention is a compound or a mixture of several compounds selected from the group consisting of oxygen-containing, nitrogen-containing, sulfur-containing, gravel-containing polar compounds and metal alkoxy compounds, for example: (1) containing The oxygen compound is generally selected from ether, tetrahydrofuran, R, OCH 2 CH 2 OR 2 (where: R, and R 2 are alkyl groups having 1 to 6 carbon atoms, and R, and R 2 may be the same or different, preferably R, different from R 2 , such as ethylene glycol dimethyl ether, ethylene glycol diethyl ether), R, OCH 2 CH 2 OCH 2 CH 2 OR 2 (where: R 2 is an alkyl group having 1 to 6 carbon atoms , R ,, R 2 may be the same or different, preferably 1 ⁇ 1 and 2 differ, such as diethylene glycol dimethyl ether, diethylene glycol dibutyl ether), crown ethers; (2) nitrogen-containing compounds, generally selected from From triethylamine
- the non-polar organic solvent used in the present invention is a hydrocarbon solvent or a mixture of several hydrocarbon solvents selected from non-polar aromatic hydrocarbons and non-polar aliphatic hydrocarbons, and is generally selected from benzene, toluene, ethylbenzene and xylene. , Pentane, hexane, heptane, octane, cyclohexane, mixed aromatics (such as Mixed diphenylbenzene), mixed fat (such as raffinate), preferably hexane, cyclohexane, raffinate.
- the initiator used in the present invention is a difunctional lithium initiator, which may be a difunctional lithium initiator or a mixture of several difunctional lithium initiators, such as: dihaloalkane dilithium and its oligomer Lithium, a bifunctional lithium initiator represented by the formula:
- LiRLi Li (DO) precedeR (DO) n Li
- R is an alkylene group having 4 to 10 carbon atoms
- DO is a conjugated diene having 4 to 8 carbon atoms or several kinds of copolymers
- conjugated diene preferably 1,3-butadiene, isoprene
- n is the degree of oligomerization
- n is generally 2-8, preferably 3-6
- Bis-lithium is preferably 1,4-dilithium butane, 1,2-dilithium-1,2-diphenylethane, 1,4-dilithium-1, 1, 1, 4, 4-tetraphenylbutane , 1,4-dimethyl-1,4-diphenylbutanedilithium and their polyisoprene dilithium oligomers, polybutadiene dilithium oligomers, and any mixtures thereof; naphthalene Dilithium-like compounds, for
- the amount of initiator depends on the molecular weight of the multiblock copolymer.
- the amount of bifunctional initiator such that the number average molecular weight of the multiblock copolymer is 5xl0 4 to 35xl0 4 o
- the multiblock copolymer of the present invention may optionally be added with conventional additives and fillers, such as antioxidant Specific examples are Irganox 1010 (trade name, available from Ciba-Geigy, Switzerland) and Antigene BHT (trade name, 2, 6-di-tert-butyl-4 fluorenylbenzene), available from Japan's Sumitomo Chemical Co., Ltd. Clan).
- antioxidant specific examples are Irganox 1010 (trade name, available from Ciba-Geigy, Switzerland) and Antigene BHT (trade name, 2, 6-di-tert-butyl-4 fluorenylbenzene), available from Japan's Sumitomo Chemical Co., Ltd. Clan).
- Irganox 1010 trade name, available from Ciba-Geigy, Switzerland
- Antigene BHT trade name, 2, 6-di-tert-butyl-4 fluorenylbenzene
- Example 1 The polymerization method and process were the same as in Example 1, except that the ratio of butadiene and styrene monomers was different, and the types and amounts of polar additives were different. A ⁇ - ⁇ - ⁇ triblock copolymer was prepared. The product structure and physical property test results are shown in Tables 2 to 7 in Table 1. Table 1 Polymerization process conditions and product physical properties
- S is the amount of harmless ethylene
- Bl is the amount of butadiene in the first batch
- B2 is the amount of butadiene in the second batch
- Ai is the type of polar additive
- Ai / Li is the amount of polar additive (molar ratio)
- Tg is the glass transition temperature.
- THF is tetrahydrofuran
- TMEDA is tetramethylethylenediamine
- 2G is diethylene glycol dimethyl ether.
- the anti- An oxygen agent (Irganox 1010 and Antigene BHT were mixed in a weight ratio of 1: 1) was 3.5 g, and the glue solution was post-treated by a conventional method. The number average molecular weight of the obtained copolymer was 15 X 10 4 . After drying, the structure and properties of the samples were tested by classical methods. The results are shown in Table 2.
- Examples 9-14 The polymerization method and process were the same as in Example 8, except that the isoprene, butadiene, and styrene monomers had different ratios, and the types and amounts of polar additives were different. Y-I-Y triblock copolymers were prepared. The polymerization process conditions, product structure and physical property test results are shown in Examples 9-14 in Table 2.
- S is the amount of harmless ethylene
- I is the amount of isoprene
- B is the amount of butadiene
- Ai is the type of polar additive
- Ai / Li is the amount of polar additive (molar ratio)
- 1, 2-8% is The weight percentage content of 1, 2-polybutadiene
- 3, 4-1% is the weight percentage content of 3
- Tg is the glass transition temperature.
- T1IF is tetrahydrofuran
- TMEDA is tetrafluorethyleneethylenediamine.
- Example 15 The polymerization method and process conditions were the same as those in Example 15, except that the proportions of butadiene, isoprene, and styrene monomers were different, and the types and amounts of polar additives were different.
- ⁇ - I- B- I- ⁇ 5 The block copolymer, polymerization process conditions, product structure and physical property test results are shown in Examples 16-21 in Table 3.
- the amount of butadiene, Ai is the type of polar additive, Ai / Li is the amount of polar additive (molar ratio), 1, 2-8% is the weight of 1,2-polybutadiene in polybutadiene
- the percentage content, 3,4- 1% is the weight percentage content of 3,4-polyisoprene in polyisoprene
- Tg is the glass transition temperature.
- T1IF is tetrahydrofuran
- TMEDA is tetramethylethylenediamine.
- the polymerization method and process conditions were the same as those in Example 22, except that the ratios of butadiene, isoprene and styrene monomers were different, and the types and amounts of polar additives were different.
- Y-B-I-B-Y The segment copolymer, polymerization process conditions, product structure, and physical property test results are shown in Tables 23 to 28 in Table 4, respectively.
- S is the amount of harmless ethylene
- I is the amount of isoprene
- Bl is the amount of the first batch of butadiene
- B2 is the amount of the second batch of butadiene
- a i is the type of polar additive
- a i / Li is the electrode
- Additive amount (molar ratio) 1, 2-8% is the weight percentage content of 1, 2-polybutadiene, 3, 4- 1% is the weight percentage content of 3, 4-polyisoprene
- Tg is the glass transition temperature.
- T11F is tetrahydrofuran and TMEDA is tetrafluorethyleneethylenediamine.
- the TMEDA / Li (molar ratio) was 1.0, and the reaction was continued. After 60 minutes, after the polymerization of butadiene and acetofluorene is complete, add an antioxidant (Irganox 1010 and Ant igene BHT are mixed in a weight ratio of 1: 1) 3.5 grams, using After the gum solution was processed by the conventional method, the number average molecular weight of the obtained copolymer was 15 10 4 . After drying, the structure and properties of the samples were tested by classical methods. The results are shown in Table 5.
- Example 29 The polymerization method and process were the same as in Example 29, except that the proportions of butadiene, isoprene and styrene monomers were different, and the types and amounts of polar additives were different.
- Y-I- BI-B- BI- I-Y heptablock copolymer, polymerization process conditions, product structure and physical property test results are shown in Table 30, Examples 30 to 35, respectively.
- S is the amount of styrene
- I is the amount of isoprene
- B1 is the amount of the first batch of butadiene
- B2 is the amount of the second batch of butadiene
- Ai is the type of polar additive
- Ai / Li is the polar additive
- Dosage (molar ratio) 1, 2-8% is the weight percentage content of 1,2-polybutadiene
- 3,4- 1% is the weight percentage content of 3,4-polyisoprene
- Tg is glass Transformation temperature.
- THF is tetrahydrofuran
- TMEDA is tetrafluorethyleneethylenediamine.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP00952839A EP1266916B1 (en) | 2000-02-17 | 2000-08-10 | Multiblock copolymer and the preparing method thereof |
AU2000265534A AU2000265534A1 (en) | 2000-02-17 | 2000-08-10 | Multiblock copolymer the preparing method thereof |
DE60024880T DE60024880T2 (de) | 2000-02-17 | 2000-08-10 | Multiblockcopolymer und sein herstellungsverfahren |
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CN00100850A CN1121434C (zh) | 2000-02-17 | 2000-02-17 | 丁二烯、异戊二烯、苯乙烯五嵌段共聚物及其制备方法 |
CN00100847A CN1121432C (zh) | 2000-02-17 | 2000-02-17 | 异戊二烯、丁二烯、苯乙烯三嵌段共聚物及其制备方法 |
CN00100848A CN1124298C (zh) | 2000-02-17 | 2000-02-17 | 丁二烯、异戊二烯、苯乙烯七嵌段共聚物及其制备方法 |
CN00100847.1 | 2000-02-17 | ||
CN00100850.1 | 2000-02-17 | ||
CN00100849.8 | 2000-02-17 | ||
CN00100846.3 | 2000-02-17 | ||
CN00100846A CN1121431C (zh) | 2000-02-17 | 2000-02-17 | 丁二烯、苯乙烯三嵌段共聚物及其制备方法 |
CN00100849A CN1121433C (zh) | 2000-02-17 | 2000-02-17 | 异戊二烯、丁二烯、苯乙烯五嵌段共聚物及其制备方法 |
CN00100848.X | 2000-02-17 |
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AU (1) | AU2000265534A1 (zh) |
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CN113736041A (zh) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | 一种苯乙烯类弹性体及其制备方法和作为耐磨止滑鞋底材料应用 |
CN114539492A (zh) * | 2020-11-24 | 2022-05-27 | 中国石油化工股份有限公司 | 单乙烯基芳烃-共轭二烯烃嵌段共聚物及其制备方法和充油橡胶及应用 |
CN115028787A (zh) * | 2016-09-09 | 2022-09-09 | 戴纳索尔伊莱斯托米罗斯公司 | 用于高乙烯基嵌段共聚的极性改性剂体系 |
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IT201700059763A1 (it) * | 2017-05-31 | 2018-12-01 | Versalis Spa | Copolimeri butadiene-isoprene di-blocco e procedimento per la loro preparazione |
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US6372853B1 (en) * | 1999-07-28 | 2002-04-16 | China Petrochemical Corporation | Butadiene/isoprene/monovinyl aromatic monomer heptablock copolymers and method for the preparation thereof |
CN1108323C (zh) * | 1999-07-28 | 2003-05-14 | 中国石油化工集团公司 | 异戊二烯、丁二烯、苯乙烯七嵌段共聚物及其制备方法 |
CN1108320C (zh) * | 1999-07-28 | 2003-05-14 | 北京燕山石油化工公司研究院 | 丁二烯、异戊二烯、苯乙烯嵌段共聚物的制备方法 |
CN1108324C (zh) * | 1999-07-28 | 2003-05-14 | 北京燕山石油化工公司研究院 | 丁二烯、异戊二烯、苯乙烯九嵌段共聚物及其制备方法 |
CN1108322C (zh) * | 1999-07-28 | 2003-05-14 | 中国石油化工集团公司 | 丁二烯、异戊二烯、苯乙烯七嵌段共聚物及其制备方法 |
-
2000
- 2000-08-10 WO PCT/CN2000/000228 patent/WO2001060879A1/zh active IP Right Grant
- 2000-08-10 DE DE60024880T patent/DE60024880T2/de not_active Expired - Lifetime
- 2000-08-10 EP EP00952839A patent/EP1266916B1/en not_active Expired - Lifetime
- 2000-08-10 AU AU2000265534A patent/AU2000265534A1/en not_active Abandoned
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115028787A (zh) * | 2016-09-09 | 2022-09-09 | 戴纳索尔伊莱斯托米罗斯公司 | 用于高乙烯基嵌段共聚的极性改性剂体系 |
CN115028787B (zh) * | 2016-09-09 | 2024-06-11 | 戴纳索尔伊莱斯托米罗斯公司 | 用于高乙烯基嵌段共聚的极性改性剂体系 |
CN113736041A (zh) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | 一种苯乙烯类弹性体及其制备方法和作为耐磨止滑鞋底材料应用 |
CN114539492A (zh) * | 2020-11-24 | 2022-05-27 | 中国石油化工股份有限公司 | 单乙烯基芳烃-共轭二烯烃嵌段共聚物及其制备方法和充油橡胶及应用 |
CN114539492B (zh) * | 2020-11-24 | 2024-06-04 | 中国石油化工股份有限公司 | 单乙烯基芳烃-共轭二烯烃嵌段共聚物及其制备方法和充油橡胶及应用 |
Also Published As
Publication number | Publication date |
---|---|
DE60024880T2 (de) | 2006-06-22 |
EP1266916A4 (en) | 2004-03-31 |
DE60024880D1 (de) | 2006-01-19 |
EP1266916B1 (en) | 2005-12-14 |
EP1266916A1 (en) | 2002-12-18 |
AU2000265534A1 (en) | 2001-08-27 |
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