Block copolymers of monovinylarenes and conjugated dienes containing two
interior tapered blocks
    1.
    发明授权
    Block copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks 失效
    含有两个内锥形嵌段的单乙烯基芳烃和共轭二烯的嵌段共聚物

    公开(公告)号:US5399628A

    公开(公告)日:1995-03-21

    申请号:US162735

    申请日:1993-12-02

    IPC分类号: C08F297/02 C08F297/04

    CPC分类号: C08F297/044

    摘要: A method for preparing tapered block copolymers in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomer in the presence of a randomizer; (2) an initiator and monovinylaromatic monomer; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjugated diene monomers; (5) conjugated diene monomer; and (6) a coupling agent; and the polymodal tapered block copolymers prepared thereby. The copolymers are particularly useful neat or in blends for applications such as packaging and food or drink containers which require transparency and good environmental stress crack resistance.

    摘要翻译: 在聚合过程中通过顺序加入来制备渐缩嵌段共聚物的方法:(1)引发剂和单乙烯基芳族单体在无规发生剂存在下进行; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; (4)单乙烯基芳族化合物和共轭二烯单体的混合物; (5)共轭二烯单体; 和(6)偶联剂; 和由此制备的多模式锥形嵌段共聚物。 共聚物特别适用于需要透明度和良好的耐环境应力开裂性的包装和食品或饮料容器等应用的混合物。

    Blends of copolymers of monovinylarenes and conjugated dienes containing
two interior tapered blocks
    2.
    发明授权
    Blends of copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks 失效
    含有两个内锥形嵌段的单乙烯基芳烃和共轭二烯共聚物的共混物

    公开(公告)号:US5587425A

    公开(公告)日:1996-12-24

    申请号:US580227

    申请日:1995-12-28

    CPC分类号: C08F297/044

    摘要: A method for preparing blends of a copolymer in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomer in the presence of a randomizer; (2) an initiator and monovinylaromatic monomer; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjuated diene monomers; (5) conjugated diene monomer; and (6) a coupling agent; and the polymodal tapered block copolymers prepared thereby. The copolymers are particularly useful neat or in blends for applications such as packaging and food or drink containers which require transparency and good environmental stress crack resistance.

    摘要翻译: 一种在聚合过程中共聚物的共混物的制备方法,该方法是在无规化剂存在下,顺序加入:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; (4)单乙烯基芳族化合物和结合二烯单体的混合物; (5)共轭二烯单体; 和(6)偶联剂; 和由此制备的多模式锥形嵌段共聚物。 共聚物特别适用于需要透明度和良好的耐环境应力开裂性的包装和食品或饮料容器等应用的混合物。

    Tapered block copolymers of monivinylarenes and conjugated dienes
    3.
    发明授权
    Tapered block copolymers of monivinylarenes and conjugated dienes 失效
    单乙烯基芳烃和共轭二烯的嵌段嵌段共聚物

    公开(公告)号:US5910546A

    公开(公告)日:1999-06-08

    申请号:US963964

    申请日:1997-11-04

    摘要: A method for preparing tapered block copolymers which are particularly useful for blend components in blends with polymers of styrene. In the first embodiment of this invention the copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent; to produce a polymodal tapered block copolymer. In a second embodiment of the invention tapered block copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjugated diene monomers; and (5) a coupling agent; to produce a polymodal tapered block copolymer. The invention copolymers and blends of the invention copolymers with polymers of styrene are particularly useful for applications such as packaging and food or drink containers which require transparency, low blueness, colorlessness, good impact strength and ductility.

    摘要翻译: 一种制备锥形嵌段共聚物的方法,其特别适用于与苯乙烯聚合物的共混物中的共混物组分。 在本发明的第一个实施方案中,共聚物在聚合过程中通过顺序加入来制备:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(4)偶联剂; 以制备多晶型锥形嵌段共聚物。 在本发明的第二个实施方案中,在聚合过程中通过顺序加入来制备渐缩嵌段共聚物:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; (4)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(5)偶联剂; 以制备多晶型锥形嵌段共聚物。 本发明的共聚物和本发明共聚物与苯乙烯聚合物的共混物特别适用于需要透明度,低蓝,无色度,良好的冲击强度和延展性的包装和食品或饮料容器等应用。

    Conjugated diene/monovinylarene block copolymers with multiple tapered
blocks
    4.
    发明授权
    Conjugated diene/monovinylarene block copolymers with multiple tapered blocks 失效
    具有多个锥形嵌段的共轭二烯/单乙烯基芳烃嵌段共聚物

    公开(公告)号:US5290875A

    公开(公告)日:1994-03-01

    申请号:US982938

    申请日:1992-11-30

    IPC分类号: C08F297/04

    CPC分类号: C08F297/044

    摘要: A method for preparing polymodal tapered block copolymers in a polymerization process by sequentially charging: (a) an initiator and monovinylaromatic monomers in the presence of a randomizer; (b) an initiator and monovinylaromatic monomers; (c) a mixture of monovinylaromatic and conjugated diene monomers; (d) a mixture of monovinylaromatic and conjugated diene monomers; (e) an initiator and monovinylaromatic monomers; (f) a mixture of monovinylaromatic and conjugated diene monomers; (g) a mixture of monovinylaromatic and conjugated diene monomers; (h) conjugated diene monomers; and (i) a coupling agent. The copolymers are particularly useful for packaging applications which require good environmental stress crack resistance.

    摘要翻译: 一种在聚合过程中制备多嵌段渐缩嵌段共聚物的方法,该方法是通过在无规化剂的存在下依次装入:(a)引发剂和单乙烯基芳族单体; (b)引发剂和单乙烯基芳族单体; (c)单乙烯基芳族化合物和共轭二烯单体的混合物; (d)单乙烯基芳族化合物和共轭二烯单体的混合物; (e)引发剂和单乙烯基芳族单体; (f)单乙烯基芳族化合物和共轭二烯单体的混合物; (g)单乙烯基芳族化合物和共轭二烯单体的混合物; (h)共轭二烯单体; 和(i)偶联剂。 共聚物特别适用于需要良好的耐环境应力开裂性的包装应用。

    Tapered block copolymers of monovinylarenes and conjugated dienes

    公开(公告)号:US06265485B1

    公开(公告)日:2001-07-24

    申请号:US08968001

    申请日:1997-11-12

    IPC分类号: C08F29704

    摘要: A method for preparing tapered block copolymers which are particularly useful for blend components in blends with polymers of styrene. In the first embodiment of this invention the copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent; to produce a polymodal tapered block copolymer. In a second embodiment of the invention tapered block copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjugated diene monomers; and (5) a coupling agent; to produce a polymodal tapered block copolymer. The invention copolymers and blends of the invention copolymers with polymers of styrene are particularly useful for applications such as packaging and food or drink containers which require transparency, low blueness, colorlessness, good impact strength and ductility.

    Tapered block copolymers of monovinylarenes and conjugated dienes
    6.
    发明授权
    Tapered block copolymers of monovinylarenes and conjugated dienes 失效
    单乙烯基芳烃和共轭二烯的嵌段嵌段共聚物

    公开(公告)号:US06265484B1

    公开(公告)日:2001-07-24

    申请号:US08966458

    申请日:1997-11-07

    IPC分类号: C08F29704

    摘要: A method for preparing tapered block copolymers which are particularly useful for blend components in blends with polymers of styrene. In the first embodiment of this invention the copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent; to produce a polymodal tapered block copolymer. In a second embodiment of the invention tapered block copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjugated diene monomers; and (5) a coupling agent; to produce a polymodal tapered block copolymer. The invention copolymers and blends of the invention copolymers with polymers of styrene are particularly useful for applications such as packaging and food or drink containers which require transparency, low blueness, colorlessness, good impact strength and ductility.

    摘要翻译: 一种制备锥形嵌段共聚物的方法,其特别适用于与苯乙烯聚合物的共混物中的共混物组分。 在本发明的第一个实施方案中,共聚物在聚合过程中通过顺序加入来制备:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(4)偶联剂; 以制备多晶型锥形嵌段共聚物。 在本发明的第二个实施方案中,在聚合过程中通过顺序加入来制备渐缩嵌段共聚物:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; (4)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(5)偶联剂; 以制备多晶型锥形嵌段共聚物。 本发明的共聚物和本发明共聚物与苯乙烯聚合物的共混物特别适用于需要透明度,低蓝,无色度,良好的冲击强度和延展性的包装和食品或饮料容器等应用。

    Block copolymers of monovinylarenes and conjugated dienes and
preparation thereof
    7.
    发明授权
    Block copolymers of monovinylarenes and conjugated dienes and preparation thereof 失效
    单乙烯基芳烃和共轭二烯的嵌段共聚物及其制备

    公开(公告)号:US5705569A

    公开(公告)日:1998-01-06

    申请号:US651082

    申请日:1996-05-22

    IPC分类号: C08F297/04 C08L53/02

    CPC分类号: C08F297/044

    摘要: A method for preparing resinous polymodal monovinylarene-conjugated diene block copolymers and polymers produced thereby are provided. The method comprises sequentially contacting under polymerization conditions: (a) a monovinylarene monomer and initiator; (b) initiator and a monovinylarene monomer; (c) a sequence of at least two charges selected from the group consisting of (i) initiator and a monovtnylarene monomer, (ii) a mixture of monovtnylarene monomer and conjugated diene monomor, (iii) a conjugated diene monomer, (iv) a monovinylarene monomer; (d) a coupling agent; wherein the sequence of at least two charges in step (c) can be made in any order. In a preferred embodiment, at least three Initiator charges are provided. In another preferred embodiment, at least three monovinylarene charges precede the first charge containing conjugated diene. In another preferred embodiment, at least four monovinylarene charges precede the first charge containing conjugated diene.

    摘要翻译: 提供了一种制备树脂多聚单乙烯基芳烃 - 共轭二烯嵌段共聚物和由此制备的聚合物的方法。 该方法包括在聚合条件下依次接触:(a)单乙烯基芳烃单体和引发剂; (b)引发剂和单乙烯基芳烃单体; (c)选自(i)引发剂和单甲苯基芳烃单体的至少两种电荷的序列,(ii)单甲苯基芳烃单体和共轭二烯单体的混合物,(iii)共轭二烯单体,(iv) 单乙烯基芳烃单体; (d)偶联剂; 其中步骤(c)中的至少两个电荷的顺序可以以任何顺序制成。 在优选实施方案中,提供至少三种引发剂电荷。 在另一个优选实施方案中,至少三种单乙烯基芳烃电荷位于含有共轭二烯的第一电荷之前。 在另一个优选的实施方案中,至少四种单乙烯基芳烃电荷位于含有共轭二烯的第一电荷之前。

    Block copolymers of monovinylarenes and conjugated dienes and
preparation thereof
    8.
    发明授权
    Block copolymers of monovinylarenes and conjugated dienes and preparation thereof 失效
    单乙烯基芳烃和共轭二烯的嵌段共聚物及其制备

    公开(公告)号:US5436298A

    公开(公告)日:1995-07-25

    申请号:US308240

    申请日:1994-09-19

    IPC分类号: C08F297/04

    CPC分类号: C08F297/044

    摘要: A method for preparing resinous polymodal monovinylarene-conjugated diene block copolymers and polymers produced thereby are provided. The method comprises sequentially contacting under polymerization conditions:(a) a monovinylarene monomer and initiator;(b) initiator and a monovinylarene monomer;(c) a sequence of at least two charges selected from the group consisting of (i) initiator and a monovinylarene monomer, (ii) a mixture of monovinylarene monomer and conjugated diene monomer, (iii) a conjugated diene monomer, (iv) a monovinylarene monomer;(d) s coupling agent;wherein the sequence of at least two charges in step (c) can be made in any order. In a preferred embodiment, at least three initiator charges are provided. In another preferred embodiment, at east three monovinylarene charges precede the first charge containing conjugated diene. In another preferred embodiment, at least four monovinylarene charges precede the first charge containing conjugated diene.

    摘要翻译: 提供了一种制备树脂多聚单乙烯基芳烃 - 共轭二烯嵌段共聚物和由此制备的聚合物的方法。 该方法包括在聚合条件下依次接触:(a)单乙烯基芳烃单体和引发剂; (b)引发剂和单乙烯基芳烃单体; (c)选自(i)引发剂和单乙烯基芳烃单体的至少两种电荷的序列,(ii)单乙烯基芳烃单体和共轭二烯单体的混合物,(iii)共轭二烯单体,(iv) 单乙烯基芳烃单体; (d)偶联剂; 其中步骤(c)中的至少两个电荷的顺序可以以任何顺序制成。 在优选的实施方案中,提供至少三种引发剂电荷。 在另一个优选的实施方案中,在东部三乙烯基芳烃电荷位于含有共轭二烯的第一电荷之前。 在另一个优选的实施方案中,至少四种单乙烯基芳烃电荷位于含有共轭二烯的第一电荷之前。

    Tapered block copolymers of monovinylarenes and conjugated dienes
    10.
    发明授权
    Tapered block copolymers of monovinylarenes and conjugated dienes 失效
    单乙烯基芳烃和共轭二烯的嵌段嵌段共聚物

    公开(公告)号:US5545690A

    公开(公告)日:1996-08-13

    申请号:US478306

    申请日:1995-06-07

    摘要: A method for preparing tapered block copolymers which are particularly useful for blend components in blends with polymers of styrene. In the first embodiment of this invention the copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent; to produce a polymodal tapered block copolymer. In a second embodiment of the Invention tapered block copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and monovinylaromatic monomers; (3) a mixture of monovinylaromatic and conjugated diene monomers; (4) a mixture of monovinylaromatic and conjugated diene monomers; and (5) a coupling agent; to produce a polymodal tapered block copolymer. The invention copolymers and blends of the invention copolymers with polymers of styrene are particularly useful for applications such as packaging and food or drink containers which require transparency, low blueness, colorlessness, good impact strength and ductility.

    摘要翻译: 一种制备锥形嵌段共聚物的方法,其特别适用于与苯乙烯聚合物的共混物中的共混物组分。 在本发明的第一个实施方案中,共聚物在聚合过程中通过顺序加入来制备:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(4)偶联剂; 以制备多晶型锥形嵌段共聚物。 在本发明的第二个实施方案中,在聚合过程中通过顺序加入来制备渐缩嵌段共聚物:(1)引发剂和单乙烯基芳族单体; (2)引发剂和单乙烯基芳族单体; (3)单乙烯基芳族化合物和共轭二烯单体的混合物; (4)单乙烯基芳族化合物和共轭二烯单体的混合物; 和(5)偶联剂; 以制备多晶型锥形嵌段共聚物。 本发明的共聚物和本发明共聚物与苯乙烯聚合物的共混物特别适用于需要透明度,低蓝,无色度,良好的冲击强度和延展性的包装和食品或饮料容器等应用。