WO2001009212A1 - Copolymere a 7 sequences de butadiene/isoprene/hydrocarbures vinylaromatiques et son procede de preparation - Google Patents
Copolymere a 7 sequences de butadiene/isoprene/hydrocarbures vinylaromatiques et son procede de preparation Download PDFInfo
- Publication number
- WO2001009212A1 WO2001009212A1 PCT/CN2000/000214 CN0000214W WO0109212A1 WO 2001009212 A1 WO2001009212 A1 WO 2001009212A1 CN 0000214 W CN0000214 W CN 0000214W WO 0109212 A1 WO0109212 A1 WO 0109212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- isoprene
- block copolymer
- butadiene
- monomer
- Prior art date
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Classifications
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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
- 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
Definitions
- the present invention relates to a class of butadiene, isoprene, and monovinyl aromatic monomer seven-block copolymers and a preparation method thereof. More specifically, the present invention relates to a block copolymer having the following symmetrical structure: Z-XZ-XYX-XZ-Z, where Z is a polymer block of a monovinyl aromatic monomer, and X and Y are mutually Different but polymer blocks of butadiene or isoprene, XZ is a ladder copolymer block of monovinyl aromatic monomer and butadiene or isoprene. Background technique
- block copolymers based on three monomers, butadiene, isoprene, and styrene are SBS and SIS, where SBS is a butadiene / benzyl triblock copolymer (where B is polybutadiene Block, S is a polystyrene block), and SIS is an isoprene / styrene block copolymer (where I is a polyisoprene block and S is a polystyrene block).
- SBS is a butadiene / benzyl triblock copolymer
- B polybutadiene Block
- S polystyrene block
- SIS is an isoprene / styrene block copolymer (where I is a polyisoprene block and S is a polystyrene block).
- This type of block copolymer includes the following symmetric structures: (1) SI-BI-B-BI-IS (butadiene and isoprene are added at once, really ethylene is added alone); (2) SIBIS (butadiene, Isoprene, styrene are added sequentially), as disclosed in EP-0 413 294A2; (3) SBIBS (isoprene, butadiene, styrene is added sequentially).
- the purpose of the present invention is to prepare a multi-block copolymer based on three monomers: butadiene, isoprene, and monovinyl aromatic monomer.
- Such block copolymers also have SBS.
- SIS's excellent properties, such as excellent tensile strength and elongation at break, are a wide range of thermoplastic elastomer materials.
- Hydrogenated multi-block copolymers can be used to prepare heat-sensitive adhesives and pressure-sensitive adhesives, and have the advantages that general SBS and SIS cannot compare.
- One aspect of the present invention provides a class of butadiene / isoprene / monoethenyl aromatic monomer heptablock copolymers, in which segment B in conventional SBS and segment I in conventional SIS are These monomers are replaced by butadiene and isoprene monomers, and the I and B segments exist simultaneously with the ladder copolymer block BS or IS.
- Another aspect of the present invention provides a method for preparing the aforementioned seven-block copolymer, which is characterized in that a monomer selected from butadiene and isoprene is firstly used by using a difunctional lithium-based initiator. After completely polymerizing, a mixture of another monomer selected from butadiene and isoprene and a monovinyl aromatic monomer is added to the obtained living polymer and allowed to completely polymerize.
- the seven-block copolymer of butadiene / isoprene / monovinyl aromatic monomer of the present invention has the following symmetrical structure: Z-XZ-XYX-XZ-Z, where Z is a monoethylfluorenyl aromatic monomer Polymer block, X and ⁇ are different from each other and are polymer blocks of butadiene or isoprene, XZ is a trapezoid copolymerization of monovinyl aromatic monomer and butadiene or isoprene Polymer block, the repeating unit of monovinyl aromatic monomer accounts for the weight of the block copolymer
- the butadiene / isoprene / monovinyl aromatic monomer heptablock copolymer of the present invention preferably has a number average molecular weight (Mn, measured according to a gel permeation chromatography (GPC) method) of 5xl0 4 -50xl0 4 , more preferably 10xl0 4 -30xl0 4 , and most preferably 10xl0 4 -25xl0 4 .
- Mn number average molecular weight
- the seven-block copolymer of butadiene / isoprene / monovinyl aromatic monomer in the present invention The content of the 1,2-polybutadiene structure in the polymer is generally 6-35% by weight, preferably 10-20% by weight, and the content of the 3, 4-polyisoprene structure is generally 6-35% by weight , Preferably 10-20% by weight.
- the monomer is sufficient. For example, J. Fetters et al. In Adv.
- Monovinyl aromatic monomers that can be used in the present invention include styrene or alkyl-substituted harmless ethylene, such as vinyl methylbenzyl (all isomers, alone or in mixtures), ⁇ -methylbenzyl ethylene, 4-tert Butyl styrene, 4-methyl styrene, 3, 5-diethylstyrene, 3, 5-di-n-butylstyrene, 4- (4-phenyl-n-butyl) styrene, 2-ethyl 4-benzylbenzylethylene, 4-cyclohexylbenzylethylene, 4-n-propylbenzylethylene, 4-dodecylstyrene, and mixtures thereof. More preferred monoethylfluorenyl aromatic monomers include styrene, vinyltoluene, ⁇ -methylbenzylethylene, and mixtures thereof. Most preferably, wrong ethylene is used.
- the polymerization reaction of the aforementioned monomer is performed according to well-known anionic polymerization conditions. It is suitable to polymerize the monomer in a solvent at a polymerization reaction temperature of 20-90 ° C, preferably 30-80 ° C.
- Suitable solvents are non-polar hydrocarbon solvents selected from non-polar aromatic hydrocarbons, non-polar aliphatic hydrocarbons and mixtures thereof.
- the solvent examples include benzyl, methylbenzyl, ethylbenzyl, dimethylbenzyl, pentane, hexane, heptane, octane, cyclohexane, mixed xylene, raffinate, or a mixture thereof.
- concentration of the first polymerized butadiene or isoprene in the solvent in the method of the invention is preferably 10-20% by weight.
- the amount of the monovinyl aromatic monomer is 10-50% by weight based on the total amount of the monomer, and 20-40% by weight is excellent; butadiene and isoprene The amount of ene is 10-75% by weight based on the total amount of monomers, preferably
- the initiator used in the present invention is a bifunctional lithium-based initiator selected from the group consisting of a dihaloalkane-substituted dilithium of the general formula LiRLi or Li (DO) nR (DO) nLi and its oligomer difluorene, where R Alkyl group with 4-10 carbon atoms, DO is a conjugated diene or a mixture of several conjugated diene with 4-8 carbon atoms, with 1,3-butadiene and isoprene
- n is a degree of oligomerization, generally 2-8, preferably 3-6; naphthalene-based lithium; and diolefin addition-type dilithium and its oligomer dilithium.
- Examples of the dihaloalkane-substituted dilithium represented by the above general formula and its oligomer dilithium include 1,4-dilithium butane, 1,
- naphthalene-based dilithium include dilithium naphthalene and ⁇ -methyldilithium naphthalene; diolefins
- Examples of addition-type dilithium and its oligomer dilithium include 1, 1,-(1,
- the amount of initiator depends on the number average molecular weight of the block copolymer.
- the amount of the difunctional lithium-based initiator should be such that the number average molecular weight of the obtained block copolymer is 5 ⁇ 10 4 to 50 ⁇ 10 4 .
- antioxidants such as Irganox 1010 (produced by Ciba-Geigy AG, Switzerland) with a weight ratio of 1: 1 and ANTIGENE BHT (2, 6-di-tert-butyl-4-methylphenylhydrazone, Sumitomo Chemical Co., Ltd.), and then the polymer glue is post-processed by conventional methods, and the product is analyzed and tested after drying.
- Irganox 1010 produced by Ciba-Geigy AG, Switzerland
- ANTIGENE BHT 2, 6-di-tert-butyl-4-methylphenylhydrazone, Sumitomo Chemical Co., Ltd.
- Example 1 The present invention is further described below with reference to the embodiments, but it does not limit the scope of the claims of the present invention.
- Example 1
- antioxidant Irganox 1010 and ANTIGENE BHT in a weight ratio of 1: 1
- S is the content of styrene
- I is the content of isoprene
- B is the content of butadiene
- S / I / B is the ratio of styrene, isoprene and butadiene monomers.
- Example 9-14 The polymerization method and process conditions were the same as those in Example 1, except that the order of addition of isoprene and butadiene was interchanged to prepare an S-BS-B-I-B-BS-S heptablock copolymer. The results obtained are shown in Table 2. Examples 9-14
- S is the content of styrene
- I is the content of isoprene
- B is the content of butadiene
- S / I / B is the ratio of styrene, isoprene and butadiene monomers.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00949042A EP1211272B1 (en) | 1999-07-28 | 2000-07-28 | Butadiene/isoprene/aromatic vinyl hydrocarbon sevenblock copolymer and the preparing method thereof |
JP2001514016A JP4380958B2 (ja) | 1999-07-28 | 2000-07-28 | ブタジエン/イソプレン/モノビニル芳香族モノマーのヘプタブロックコポリマーおよびそれを製造する方法 |
DE60036387T DE60036387T2 (de) | 1999-07-28 | 2000-07-28 | Butadien/isopren/aromatisches vinylkohlenwasserstoff-siebenblock-copolymer und dessen herstellungsverfahren |
AU62576/00A AU6257600A (en) | 1999-07-28 | 2000-07-28 | Butadiene/isoprene/aromatic vinyl hydrocarbon sevenblock copolymer and the preparing method thereof |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99111140A CN1108323C (zh) | 1999-07-28 | 1999-07-28 | 异戊二烯、丁二烯、苯乙烯七嵌段共聚物及其制备方法 |
CN99111139.7 | 1999-07-28 | ||
CN99111140.0 | 1999-07-28 | ||
CN99111139A CN1108322C (zh) | 1999-07-28 | 1999-07-28 | 丁二烯、异戊二烯、苯乙烯七嵌段共聚物及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001009212A1 true WO2001009212A1 (fr) | 2001-02-08 |
Family
ID=25745034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2000/000214 WO2001009212A1 (fr) | 1999-07-28 | 2000-07-28 | Copolymere a 7 sequences de butadiene/isoprene/hydrocarbures vinylaromatiques et son procede de preparation |
Country Status (7)
Country | Link |
---|---|
US (1) | US6372853B1 (zh) |
EP (1) | EP1211272B1 (zh) |
JP (1) | JP4380958B2 (zh) |
KR (1) | KR100622112B1 (zh) |
AU (1) | AU6257600A (zh) |
DE (1) | DE60036387T2 (zh) |
WO (1) | WO2001009212A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001060879A1 (fr) * | 2000-02-17 | 2001-08-23 | China Petroleum & Chemical Corporation | Copolymere multisequence et son procede de preparation |
KR20040032488A (ko) * | 2002-10-10 | 2004-04-17 | 금호석유화학 주식회사 | 3원 블록 공중합체 및 제조방법 |
US7717893B2 (en) * | 2004-06-04 | 2010-05-18 | The Procter & Gamble Company | Absorbent articles comprising a slow recovery elastomer |
US7905872B2 (en) * | 2004-06-04 | 2011-03-15 | The Procter & Gamble Company | Absorbent articles comprising a slow recovery stretch laminate |
US8419701B2 (en) * | 2005-01-10 | 2013-04-16 | The Procter & Gamble Company | Absorbent articles with stretch zones comprising slow recovery elastic materials |
ATE539723T1 (de) | 2005-01-26 | 2012-01-15 | Procter & Gamble | Einwegwindel mit elastischer taille und geringer stärke sowie langer wiederherstellungszeit |
JP2010508055A (ja) * | 2006-11-02 | 2010-03-18 | ザ プロクター アンド ギャンブル カンパニー | 緩慢に回復する材料の持ち手を備える吸収性物品 |
US8323257B2 (en) | 2007-11-21 | 2012-12-04 | The Procter & Gamble Company | Absorbent articles comprising a slow recovery stretch laminate and method for making the same |
CN101628959A (zh) | 2008-07-15 | 2010-01-20 | 中国石油化工集团公司 | 一种可发泡苯乙烯属单体-二烯烃共聚物、其制备方法和用途 |
US9732178B1 (en) | 2008-07-24 | 2017-08-15 | Bridgestone Corporation | Block copolymers including high vinyl segments |
US9017305B2 (en) | 2010-11-12 | 2015-04-28 | The Procter Gamble Company | Elastomeric compositions that resist force loss and disintegration |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4122134A (en) * | 1974-02-13 | 1978-10-24 | Sumitomo Chemical Company, Limited | Method for producing transparent block copolymer resin |
US4386125A (en) * | 1981-02-20 | 1983-05-31 | Asahi Kasei Kogyo Kabushiki Kaisha | Film, sheet or tube of a block copolymer or a composition containing the same |
EP0413294A2 (en) * | 1989-08-18 | 1991-02-20 | The Dow Chemical Company | Narrow molecular weight distribution block polymers and process therefor |
US5130377A (en) * | 1990-01-02 | 1992-07-14 | Phillips Petroleum Company | Tapered block styrene/butadiene copolymers |
US5780551A (en) * | 1995-11-02 | 1998-07-14 | Fmc Corporation | Telechelic polymers from mixed initiator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2457389A1 (de) * | 1974-12-05 | 1976-06-10 | Bayer Ag | Verfahren zur herstellung von polysegmentcopolymeren |
JP3309438B2 (ja) * | 1992-09-04 | 2002-07-29 | 日本ゼオン株式会社 | ブロック共重合体 |
US5399628A (en) * | 1993-12-02 | 1995-03-21 | Phillips Petroleum Company | Block copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks |
US5462994A (en) * | 1994-01-27 | 1995-10-31 | The Dow Chemical Company | Preparation of conjugated diene-monoalkenyl arene block copolymers having a low polydispersity index |
DE4420952A1 (de) * | 1994-06-17 | 1995-12-21 | Basf Ag | Thermoplastisches Elastomer |
CN1036346C (zh) * | 1995-08-04 | 1997-11-05 | 中国石油化工总公司 | 丁苯嵌段共聚物热塑弹性体及制法 |
-
2000
- 2000-07-27 US US09/627,105 patent/US6372853B1/en not_active Expired - Lifetime
- 2000-07-28 AU AU62576/00A patent/AU6257600A/en not_active Abandoned
- 2000-07-28 EP EP00949042A patent/EP1211272B1/en not_active Expired - Lifetime
- 2000-07-28 DE DE60036387T patent/DE60036387T2/de not_active Expired - Lifetime
- 2000-07-28 KR KR1020027001190A patent/KR100622112B1/ko active IP Right Grant
- 2000-07-28 WO PCT/CN2000/000214 patent/WO2001009212A1/zh active IP Right Grant
- 2000-07-28 JP JP2001514016A patent/JP4380958B2/ja not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4122134A (en) * | 1974-02-13 | 1978-10-24 | Sumitomo Chemical Company, Limited | Method for producing transparent block copolymer resin |
US4386125A (en) * | 1981-02-20 | 1983-05-31 | Asahi Kasei Kogyo Kabushiki Kaisha | Film, sheet or tube of a block copolymer or a composition containing the same |
EP0413294A2 (en) * | 1989-08-18 | 1991-02-20 | The Dow Chemical Company | Narrow molecular weight distribution block polymers and process therefor |
US5130377A (en) * | 1990-01-02 | 1992-07-14 | Phillips Petroleum Company | Tapered block styrene/butadiene copolymers |
US5780551A (en) * | 1995-11-02 | 1998-07-14 | Fmc Corporation | Telechelic polymers from mixed initiator |
Also Published As
Publication number | Publication date |
---|---|
JP2003506504A (ja) | 2003-02-18 |
US6372853B1 (en) | 2002-04-16 |
EP1211272A4 (en) | 2004-03-24 |
DE60036387T2 (de) | 2008-01-17 |
DE60036387D1 (de) | 2007-10-25 |
JP4380958B2 (ja) | 2009-12-09 |
EP1211272A1 (en) | 2002-06-05 |
AU6257600A (en) | 2001-02-19 |
EP1211272B1 (en) | 2007-09-12 |
KR100622112B1 (ko) | 2006-09-07 |
KR20020038706A (ko) | 2002-05-23 |
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