公开(公告)号：US06939906B2

公开(公告)日：2005-09-06

申请号：US10275400

申请日：2001-08-31

申请人： Susumu Hoshi ,  Yukio Yamaura ,  Junko Kakegawa

发明人： Susumu Hoshi ,  Yukio Yamaura ,  Junko Kakegawa

IPC分类号： C08L25/06 ,  C08L53/02 ,  C08K5/10 ,  C08K5/13 ,  C08L53/00

CPC分类号： C08L53/02 ,  C08L25/06 ,  C08L2666/24 ,  C08L2666/04

摘要： Disclosed is a block copolymer composition comprising a block copolymer (I) comprising at least two polymer blocks (each polymer block (S) comprising vinyl aromatic hydrocarbon monomer units) and at least one polymer block (B) comprising isoprene monomer units and 1,3-butadiene monomer units, and a polystyrene resin (II), wherein, in the block copolymer (I), the amount of the vinyl aromatic hydrocarbon monomer units, the total amount of the isoprene monomer units and the 1,3-butadiene monomer units, and the isoprene monomer unit/1,3-butadiene monomer unit weight ratio are within specific range, wherein the block copolymer (I) has a vinyl aromatic hydrocarbon block ratio (BL) within a specific range, and wherein the block copolymer (I) and the polystyrene resin (II) satisfy a relationship represented by the following formula (1): 15+0.25BL≦Wa≦35+0.25BL  (1) wherein BL represents the block ratio of the copolymer (I), and Wa represents the weight percentage, based on the total weight of the copolymer (I) and the resin (II), of the copolymer (I).

摘要翻译： 公开了包含嵌段共聚物（I）的嵌段共聚物组合物，其包含至少两个聚合物嵌段（每个聚合物嵌段（S）包含乙烯基芳族烃单体单元）和至少一种包含异戊二烯单体单元的聚合物嵌段（B）和1,3 - 丁二烯单体单元和聚苯乙烯树脂（II），其中在嵌段共聚物（I）中，乙烯基芳族烃单体单元的量，异戊二烯单体单元和1,3-丁二烯单体单元的总量 ，异戊二烯单体单元/ 1,3-丁二烯单体单元重量比在特定范围内，其中嵌段共聚物（I）的乙烯基芳族烃嵌段比（BL）在特定范围内，其中嵌段共聚物（I ）和聚苯乙烯树脂（II）满足由下式（1）表示的关系：<？in-line-formula description =“In-line formula”end =“lead”？> 15 + 0.25BL <= WA < = 35 + 0.25BL（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> wherei n BL表示共聚物（I）的嵌段比，Wa表示基于共聚物（I）的共聚物（I）和树脂（II）的总重量的重量百分比。

公开(公告)号：US06844383B2

公开(公告)日：2005-01-18

申请号：US10030911

申请日：2001-05-25

申请人： Susumu Hoshi ,  Yukio Yamaura ,  Junko Kakegawa ,  Tsutomu Sugimoto

发明人： Susumu Hoshi ,  Yukio Yamaura ,  Junko Kakegawa ,  Tsutomu Sugimoto

IPC分类号： C08F297/04 ,  C08K5/136 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02 ,  C08K5/09 ,  C08K5/10

CPC分类号： C08F297/046 ,  C08F297/04 ,  C08K5/136 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02 ,  C08L2666/24 ,  C08L2666/04

摘要： Disclosed is a block copolymer comprising at least two S polymer blocks comprising vinyl aromatic hydrocarbon monomer units, and one B polymer block or two or more B polymer blocks which contains or collectively contain isoprene monomer units and 1,3-butadiene monomer units, wherein the amount of the vinyl aromatic hydrocarbon monomer units and the total amount of the isoprene monomer units and the 1,3-butadiene monomer units are, respectively, from 60 to 95% by weight and from 40 to 5% by weight, each based on the weight of the copolymer, wherein the isoprene monomer unit/1,3-butadiene monomer unit weight ratio is from 45/55 to 97/3, and wherein the vinyl aromatic hydrocarbon monomer unit moiety of the copolymer has a short segment ratio of from 0 to 30% by weight, which is defined as the weight percentage, based on the total weight of vinyl aromatic hydrocarbon monomer units in the copolymer, of the vinyl aromatic hydrocarbon monomer units in at least one short segment consisting of 1 to 3 vinyl aromatic hydrocarbon monomer units.

摘要翻译： 公开了包含至少两个包含乙烯基芳族烃单体单元的S聚合物嵌段和一个B聚合物嵌段或两个或多个含有或共同含有异戊二烯单体单元和1,3-丁二烯单体单元的B聚合物嵌段的嵌段共聚物，其中 乙烯基芳烃单体单元的量和异戊二烯单体单元和1,3-丁二烯单体单元的总量分别为60至95重量％和40至5重量％，分别基于 共聚物的重量，其中异戊二烯单体单元/ 1,3-丁二烯单体单元重量比为45/55至97/3，并且其中共聚物的乙烯基芳烃单体单元部分具有从0 至30重量％，其定义为基于共聚物中乙烯基芳族烃单体单元的总重量的至少一个短链段中的乙烯基芳族烃单体单元的重量百分比，其由 1〜3个乙烯基芳烃单体单元。

公开(公告)号：US20090061248A1

公开(公告)日：2009-03-05

申请号：US11887941

申请日：2006-04-07

申请人： Susumu Hoshi ,  Yukio Yamaura

发明人： Susumu Hoshi ,  Yukio Yamaura

IPC分类号： B32B27/30 ,  C08F236/06 ,  C08F236/10 ,  C08F236/08 ,  C08L53/02 ,  C08K5/20 ,  C08K5/09 ,  C08K5/01 ,  C08K5/13 ,  C08K5/07

CPC分类号： C08F8/04 ,  B29C55/005 ,  B29C55/06 ,  B29C55/12 ,  B29C61/003 ,  B29K2009/06 ,  B32B27/32 ,  C08F297/04 ,  C08L25/04 ,  C08L53/025 ,  Y10T428/31855 ,  Y10T428/31909 ,  Y10T428/31931 ,  C08L2666/24

摘要： An object of the invention is to provide a block copolymer hydrogenation product suitable for a sheet and a heat shrinkable film which are excellent in solvent resistance, rigidity, elongation and transparency, which is excellent in a balance of physical properties such as solvent resistance, natural shrinkability, low-temperature shrinkability, rigidity, transparency and low-temperature elongation, and a composition thereof. The invention relates to a block copolymer hydrogenation product having a weight ratio of a vinyl aromatic hydrocarbon and a conjugated diene of 55/45 to 95/5, a number average molecular weight measured by gel permeation chromatography (GPC) of 30,000 to 500,000 and a hydrogenation rate of 30% or more, wherein the vinyl aromatic hydrocarbon incorporated into the hydrogenation product has a block rate of 60 to 98% by weight, wherein relative to the weight of the total vinyl aromatic hydrocarbon polymer blocks, the ratio of vinyl aromatic hydrocarbon polymer blocks having a molecular weight of 50,000 or less is 80% by weight or more and the ratio of vinyl aromatic hydrocarbon polymer blocks having a molecular weight of 15,000 or less is from 10 to 80% by weight, and wherein at least one peak temperature of function tan δ in a dynamic viscoelasticity measurement of the hydrogenation product is present within the range of exceeding −80° C. to lower than −10° C.

摘要翻译： 本发明的目的是提供一种适用于耐溶剂性，刚性，伸长率和透明度优异的片材和热收缩膜的嵌段共聚物氢化产物，其具有优异的物理性能如耐溶剂性，天然的 收缩性，低温收缩性，刚性，透明性和低温伸长率及其组成。 本发明涉及一种乙烯基芳族烃和共轭二烯的重量比为55/45〜95/5的嵌段共聚物加氢产物，通过凝胶渗透色谱法（GPC）测定的数均分子量为30,000〜500,000， 氢化率为30％以上，其中加入到氢化产物中的乙烯基芳族烃具有60至98重量％的嵌段率，其中相对于总乙烯基芳族烃聚合物嵌段的重量，乙烯基芳烃 分子量为50,000以下的聚合物嵌段为80重量％以上，分子量为15000以下的乙烯基芳香族烃聚合物嵌段的比例为10〜80重量％，其中，至少一个峰值温度 在氢化产物的动态粘弹性测量中的功能tanδ的存在在超过-80℃至低于-10℃的范围内

公开(公告)号：US07985484B2

公开(公告)日：2011-07-26

申请号：US11887941

申请日：2006-04-07

申请人： Susumu Hoshi ,  Yukio Yamaura

发明人： Susumu Hoshi ,  Yukio Yamaura

IPC分类号： B32B27/30 ,  C08L53/02 ,  C08F236/06

CPC分类号： C08F8/04 ,  B29C55/005 ,  B29C55/06 ,  B29C55/12 ,  B29C61/003 ,  B29K2009/06 ,  B32B27/32 ,  C08F297/04 ,  C08L25/04 ,  C08L53/025 ,  Y10T428/31855 ,  Y10T428/31909 ,  Y10T428/31931 ,  C08L2666/24

摘要： An object of the invention is to provide a block copolymer hydrogenation product suitable for a sheet and a heat shrinkable film which are excellent in solvent resistance, rigidity, elongation and transparency, which is excellent in a balance of physical properties such as solvent resistance, natural shrinkability, low-temperature shrinkability, rigidity, transparency and low-temperature elongation, and a composition thereof. The invention relates to a block copolymer hydrogenation product having a weight ratio of a vinyl aromatic hydrocarbon and a conjugated diene of 55/45 to 95/5, a number average molecular weight measured by gel permeation chromatography (GPC) of 30,000 to 500,000 and a hydrogenation rate of 30% or more, wherein the vinyl aromatic hydrocarbon incorporated into the hydrogenation product has a block rate of 60 to 98% by weight, wherein relative to the weight of the total vinyl aromatic hydrocarbon polymer blocks, the ratio of vinyl aromatic hydrocarbon polymer blocks having a molecular weight of 50,000 or less is 80% by weight or more and the ratio of vinyl aromatic hydrocarbon polymer blocks having a molecular weight of 15,000 or less is from 10 to 80% by weight, and wherein at least one peak temperature of function tan δ in a dynamic viscoelasticity measurement of the hydrogenation product is present within the range of exceeding −80° C. to lower than −10° C.

摘要翻译： 本发明的目的是提供一种适用于耐溶剂性，刚性，伸长率和透明度优异的片材和热收缩膜的嵌段共聚物氢化产物，其具有优异的物理性能如耐溶剂性，天然的 收缩性，低温收缩性，刚性，透明性和低温伸长率及其组成。 本发明涉及一种乙烯基芳族烃和共轭二烯的重量比为55/45〜95/5的嵌段共聚物加氢产物，通过凝胶渗透色谱法（GPC）测定的数均分子量为30,000〜500,000， 氢化率为30％以上，其中加入到氢化产物中的乙烯基芳族烃具有60至98重量％的嵌段率，其中相对于总乙烯基芳族烃聚合物嵌段的重量，乙烯基芳烃 分子量为50,000以下的聚合物嵌段为80重量％以上，分子量为15000以下的乙烯基芳香族烃聚合物嵌段的比例为10〜80重量％，其中，至少一个峰值温度 在氢化产物的动态粘弹性测量中的函数tanδ存在于超过-80℃至低于-10℃的范围内

公开(公告)号：US20050222331A1

公开(公告)日：2005-10-06

申请号：US10512410

申请日：2003-04-23

申请人： Susumu Hoshi ,  Masahiro Mori ,  Yukio Yamaura ,  Toshinori Shiraki

发明人： Susumu Hoshi ,  Masahiro Mori ,  Yukio Yamaura ,  Toshinori Shiraki

IPC分类号： B32B27/08 ,  C08F8/04 ,  C08F297/04 ,  C08G81/02 ,  C08J5/18 ,  C08K5/134 ,  C08K5/372 ,  C08L53/02 ,  C08L53/00

CPC分类号： B32B27/08 ,  B32B7/02 ,  B32B27/302 ,  B32B2307/736 ,  C08F8/04 ,  C08F297/04 ,  C08G81/028 ,  C08J5/18 ,  C08J2353/02 ,  C08K5/1345 ,  C08K5/372 ,  C08L53/02 ,  C08L53/025 ,  C08L2666/04 ,  C08L2666/24 ,  C08L2666/02

摘要： The present invention provides a block copolymer or a hydrogenated product thereof excellent in low-temperature shrinkability, natural shrinkability, rigidity and the like, excellent in a balance of physical properties such as blocking resistance, resistance to fusion bonding in hot water, impact resistance and the like, and having a few fish eyes (FE's) caused by gels. Further, the invention provides a heat shrinkable film and a heat shrinkable multilayer film suitable for drink container packaging, cap seals and the like, using such a block copolymer or the hydrogenated product thereof. The invention provides a block copolymer having a weight ratio of a vinyl aromatic hydrocarbon and a conjugated diene of 60/40 to 90/10 and a number average molecular weight measured by gel permeation chromatography (GPC) of 30,000 to 500,000, wherein the vinyl aromatic hydrocarbon constituting the block copolymer has a block rate of from 10 to 90% by weight, the vinyl aromatic hydrocarbon polymer blocks constituting the block copolymer have a peak molecular weight within the molecular weight range of 5,000 to 30,000, and 40 to 80% by weight of the vinyl aromatic hydrocarbon polymer blocks have a molecular weight of 35,000 or less.

摘要翻译： 本发明提供了低温收缩性，天然收缩性，刚性等优异的嵌段共聚物或氢化物，其耐热性，耐热熔融粘合性，耐冲击性等耐物理性能的平衡优异， 并且由凝胶引起的几条鱼眼（FE）。 此外，本发明提供了一种适用于饮料容器包装，帽密封等的热收缩膜和热收缩多层膜，使用这种嵌段共聚物或其氢化产物。 本发明提供一种乙烯基芳香族烃和共轭二烯的重量比为60/40〜90/10的嵌段共聚物，通过凝胶渗透色谱法（GPC）测定的数均分子量为30,000〜500,000，其中乙烯基芳香族 构成嵌段共聚物的烃的嵌段率为10〜90重量％，构成嵌段共聚物的乙烯基芳香族烃聚合物嵌段的分子量范围为5000〜30,000，峰值分子量为40〜80重量％ 的乙烯基芳烃聚合物嵌段的分子量为35,000以下。

公开(公告)号：US07893156B2

公开(公告)日：2011-02-22

申请号：US10512410

申请日：2003-04-23

申请人： Susumu Hoshi ,  Masahiro Mori ,  Yukio Yamaura ,  Toshinori Shiraki

发明人： Susumu Hoshi ,  Masahiro Mori ,  Yukio Yamaura ,  Toshinori Shiraki

IPC分类号： C08L53/02 ,  C08F297/04

CPC分类号： B32B27/08 ,  B32B7/02 ,  B32B27/302 ,  B32B2307/736 ,  C08F8/04 ,  C08F297/04 ,  C08G81/028 ,  C08J5/18 ,  C08J2353/02 ,  C08K5/1345 ,  C08K5/372 ,  C08L53/02 ,  C08L53/025 ,  C08L2666/04 ,  C08L2666/24 ,  C08L2666/02

摘要： The present invention provides a block copolymer or a hydrogenated product thereof excellent in low-temperature shrinkability, natural shrinkability, rigidity and the like, excellent in a balance of physical properties such as blocking resistance, resistance to fusion bonding in hot water, impact resistance and the like, and having a few fish eyes (FE's) caused by gels. Further, the invention provides a heat shrinkable film and a heat shrinkable multilayer film suitable for drink container packaging, cap seals and the like, using such a block copolymer or the hydrogenated product thereof. The invention provides a block copolymer having a weight ratio of a vinyl aromatic hydrocarbon and a conjugated diene of 60/40 to 90/10 and a number average molecular weight measured by gel permeation chromatography (GPC) of 30,000 to 500,000, wherein the vinyl aromatic hydrocarbon constituting the block copolymer has a block rate of from 10 to 90% by weight, the vinyl aromatic hydrocarbon polymer blocks constituting the block copolymer have a peak molecular weight within the molecular weight range of 5,000 to 30,000, and 40 to 80% by weight of the vinyl aromatic hydrocarbon polymer blocks have a molecular weight of 35,000 or less.

摘要翻译： 本发明提供了低温收缩性，天然收缩性，刚性等优异的嵌段共聚物或氢化物，其耐热性，耐热熔融粘合性，耐冲击性等耐物理性能的平衡优异， 并且由凝胶引起的几条鱼眼（FE）。 此外，本发明提供了一种适用于饮料容器包装，帽密封等的热收缩膜和热收缩多层膜，使用这种嵌段共聚物或其氢化产物。 本发明提供一种乙烯基芳香族烃和共轭二烯的重量比为60/40〜90/10的嵌段共聚物，通过凝胶渗透色谱法（GPC）测定的数均分子量为30,000〜500,000，其中乙烯基芳香族 构成嵌段共聚物的烃的嵌段率为10〜90重量％，构成嵌段共聚物的乙烯基芳香族烃聚合物嵌段的分子量范围为5000〜30,000，峰值分子量为40〜80重量％ 的乙烯基芳烃聚合物嵌段的分子量为35,000以下。

公开(公告)号：US06235847B1

公开(公告)日：2001-05-22

申请号：US09486989

申请日：2000-03-06

申请人： Susumu Hoshi ,  Yukio Yamaura

发明人： Susumu Hoshi ,  Yukio Yamaura

IPC分类号： C08F29704

CPC分类号： C08L53/02 ,  C08F297/04 ,  C08L25/14 ,  C08L2666/24 ,  C08L2666/04

摘要： Disclosed is a linear block copolymer comprising at least two vinyl aromatic hydrocarbon polymer blocks (S), at least two conjugated diene polymer blocks (B) and at least one vinyl aromatic hydrocarbon/conjugated diene copolymer block (B/S); the linear block copolymer having a specific block configuration wherein both terminal polymer blocks of the linear block copolymer are S blocks, both terminal S blocks have, bonded directly to the respective inner ends thereof, B blocks, and the B blocks, which are bonded directly to the respective inner ends of both terminal polymer blocks (S), have therebetween one or two B/S blocks which is or are bonded directly to the respective inner ends of the polymer blocks (B); the linear block copolymer comprising at least two fractions having different peak molecular weights, and both terminal S blocks in total comprising at least two fractions having different peak molecular weights. Also disclosed is a resin composition comprising the linear block copolymer and a styrene-containing resin in a specific amount ratio.

摘要翻译： 公开了包含至少两种乙烯基芳族烃聚合物嵌段（S），至少两种共轭二烯聚合物嵌段（B）和至少一种乙烯基芳香烃/共轭二烯共聚物嵌段（B / S）的线性嵌段共聚物; 具有特定嵌段构型的线性嵌段共聚物，其中线性嵌段共聚物的两个末端聚合物嵌段是S嵌段，两个末端S嵌段直接键合到其各自的内端，B嵌段和直接键合的B嵌段 在两个末端聚合物嵌段（S）的各自内端之间具有一个或两个直接结合到聚合物嵌段（B）的内端的B / S嵌段。 包含至少两个具有不同峰分子量的级分的线性嵌段共聚物和总共包含至少两个具有不同峰分子量的级分的两个末端S嵌段。 还公开了包含线性嵌段共聚物和特定量比的含苯乙烯的树脂的树脂组合物。

公开(公告)号：US5945361A

公开(公告)日：1999-08-31

申请号：US383679

申请日：1995-02-01

申请人： Akira Hashimoto ,  Susumu Hoshi

发明人： Akira Hashimoto ,  Susumu Hoshi

IPC分类号： C04B14/20 ,  C04B26/06 ,  C04B30/02 ,  F01N3/28 ,  B32B19/06

CPC分类号： F01N3/2857 ,  C04B14/206 ,  C04B26/06 ,  C04B30/02 ,  F01N2350/04 ,  F01N2470/10 ,  Y10S428/913 ,  Y10S428/92 ,  Y10T428/254 ,  Y10T428/259

摘要： The present invention relates to a heat-resistant expansive member suitably used as a holding member for holding a ceramic monolithic catalyst in a motor vehicle or the like. The heat-resistant expansive member of the present invention is made at the blending ratio of 1 to 5 wt % of sepiolite, 30 to 60 wt % of treated vermiculite, 20 to 40 wt % of ceramic fibers and 5 to 20 wt % of an organic binder, or at the blending ratio of 21 to 30 wt % of sepiolite, 30 to 40 wt % of treated vermiculite, 20 to 40 wt % of ceramic fibers and 5 to 20 wt % of an organic binder. Regardless of the low- or high-temperature zone, the heat-resistant expansive member of the present invention presents a great holding force to the monolithic catalyst or the like. The heat-resistant expansive member is improved in cushioning properties and gas-attack resisting properties particularly in the high-temperature zone.

摘要翻译： 本发明涉及一种适合用作在机动车辆等中保持陶瓷整体式催化剂的保持构件的耐热膨胀构件。 本发明的耐热膨胀性构件以1〜5重量％的海泡石，30〜60重量％的处理蛭石，20〜40重量％的陶瓷纤维和5〜20重量％的 有机粘合剂，或21〜30重量％的海泡石，30〜40重量％的处理蛭石，20〜40重量％的陶瓷纤维和5〜20重量％的有机粘合剂。 本发明的耐热膨胀部件不管是低温区域还是高温区域对整体式催化剂等都具有很大的保持力。 特别是在高温区域中，耐热膨胀部件的缓冲性能和耐气体侵蚀性能得到改善。

公开(公告)号：US5234994A

公开(公告)日：1993-08-10

申请号：US428888

申请日：1989-10-30

申请人： Toshinori Shiraki ,  Yasuo Hattori ,  Susumu Hoshi ,  Haruhisa Nagano

发明人： Toshinori Shiraki ,  Yasuo Hattori ,  Susumu Hoshi ,  Haruhisa Nagano

IPC分类号： C08L53/02 ,  C08L71/12

CPC分类号： C08L53/02 ,  C08L71/126 ,  Y10S525/905

摘要： A thermoplastic polymer composition(a) 10 to 95 parts by weight of a block copolymer which comprises at least two polymer segments comprised primarily of a vinyl aromatic hydrocarbon and at least one polymer segment comprised primarily of a conjugated diene, in which:(i) the content of the vinyl aromatic hydrocarbon is more than 60% by weight and 95% by weight;(ii) the weight ratio of the vinyl aromatic hydrocarbon present in the copolymer as the vinyl aromatic hydrocarbon polymer block to the total vinyl aromatic hydrocarbons present in the copolymer is more than 0.75% to 0.98%; and(iii) the ratio of the weight average molecular weight to the number average molecular weight of the vinyl aromatic hydrocarbon polymer block in the copolymer is 1.2 to 2.0 and(b) 5 to 90% by weight of polyphenylene ether, and, optionally,(c) 3 to 400 parts by weight, based on 100 parts by weight of the total weight of said components (a) and (b), of polystyrene.

公开(公告)号：US4386125A

公开(公告)日：1983-05-31

申请号：US349863

申请日：1982-02-18

申请人： Toshinori Shiraki ,  Susumu Hoshi ,  Fusakazu Hayano

发明人： Toshinori Shiraki ,  Susumu Hoshi ,  Fusakazu Hayano

IPC分类号： C08F297/04 ,  C08L53/02

CPC分类号： C08F297/04 ,  Y10S428/91 ,  Y10T428/1331

摘要： A film, sheet, or tube having an excellent low-temperature shrinkage suitable for use as, for example, a heat shrinkable label is disclosed. This film, sheet, or tube contains, as a base polymer, a block copolymer of an aromatic vinyl hydrocarbon polymer block and a polymer block composed mainly of a conjugated diene having the following structure:______________________________________ (a) (AB).sub.n n = 2-10 (b) A(BA).sub.n n = 2-10 (c) B(AB).sub.n n = 2-10 (d) [(BA).sub.n ].sub.m+2X n = 2-10 and m = 1-10 (e) [(AB).sub.n ].sub.m+2X n = 2-10 and m = 1-10 (f) [(BA).sub.nB].sub.m+2X n = 1-10 and m = 1-10, or (g) [(AB).sub.nA].sub.m+2X n = 1-10 and m = 1-10 ______________________________________ wherein A is an aromatic vinyl hydrocarbon polymer block having a number-average molecular weight of 10,000 through 70,000, B is a polymer block composed mainly of a conjugated diene, and X is a residual group of a coupling agent or a polyfunctional initiator such as an organo polylithium compound, the weight ratio of the aromatic vinyl hydrocarbon to the conjugated diene being 60:40 through 95:5.

摘要翻译： 公开了一种适合用作例如热收缩标签的具有优异的低温收缩率的薄膜，薄片或管。 该膜，片或管含有作为基础聚合物的芳族乙烯基烃聚合物嵌段和主要由共轭二烯构成的聚合物嵌段的嵌段共聚物，其具有以下结构： - （a）（AB）nn = 2- 10 - （b）A（BA）nn = 2-10 - （c）B（AB）nn = 2-10 - （d）[（BA）n] m + 2X n = 2-10，m = 10 - （e）[（AB）n] m + 2X n = 2-10，m = 1-10 - （f）[（BA）nB] m + 2X n = 1-10，m = 或 - （g）[（AB）nA] m + 2X n = 1-10和m = 1-10 - 其中A是数均分子量为10,000至70,000的芳族乙烯基烃聚合物嵌段，B为 主要由共轭二烯构成的聚合物嵌段，X为偶联剂或多官能引发剂如有机多锂化合物的残基，芳香族乙烯基烃与共轭二烯的重量比为60:40〜95:5 。