Block copolymers of monovinylarenes and conjugated dienes and preparation thereof
    1.
    发明公开
    Block copolymers of monovinylarenes and conjugated dienes and preparation thereof 失效
    其制备乙烯基芳烃和共轭二烯和方法的嵌段共聚物。

    公开(公告)号:EP0646607A2

    公开(公告)日:1995-04-05

    申请号:EP94115370.2

    申请日:1994-09-29

    CPC classification number: C08F297/044

    Abstract: 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) 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.

    Abstract translation: 一种用于制备树脂多峰单乙烯基芳烃 - 共轭嵌段共聚物的方法和服务提供由此产生的聚合物。 该方法包括顺序聚合的条件下接触:(a)一种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)的引发剂中选择的至少两种收费的序列,并且一个单乙烯基芳烃单体,(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)一 单乙烯基芳烃单体; (D)偶联剂; worin至少两个电荷的在步骤(c)的顺序可以以任何顺序进行。 在优选实施例中,提供至少三个引发剂电荷。 另一个优选实施例服务,至少三个单乙烯基芳烃的电荷先于第一批次含有共轭。 另一个优选实施例服务,至少四个单乙烯基芳烃的电荷先于第一批次含有共轭。

    Tapered block copolymers of monovinylarenes and conjugated dienes
    4.
    发明公开
    Tapered block copolymers of monovinylarenes and conjugated dienes 失效
    一种用于制备单乙烯基芳烃和具有连续变化的组成的端子块共轭二烯的嵌段共聚物过程,由此得到的嵌段共聚物,组合物和制品

    公开(公告)号:EP0877038A2

    公开(公告)日:1998-11-11

    申请号:EP98111995.1

    申请日:1994-11-14

    Abstract: A method of preparing a polymer under solution polymerization conditions in a reaction zone comprising: (a) charging a monovinylaromatic monomer and an initiator in the presence of a randomizer; thereafter (b) charging an initiator and a monovinylaromatic monomer; thereafter (c) charging a mixture of a monovinylaromatic monomer and conjugated diene monomer; thereafter (d) optionally charging a mixture of monovinylaromatic monomer and conjugated diene monomer; and thereafter (e) charging the reaction mixture with a coupling agent, wherein in each of steps (a) and (d) polymerization is conducted until essentially no free monomer is present.

    Abstract translation: 在反应区,其包括制备溶液聚合条件下的聚合物的方法,包括:(a)将单乙烯基芳族单体在无规化剂的存在下引发剂的和; 此后(b)中引发剂和单乙烯基芳族单体的充电; 此后(c)中充电的单乙烯基芳族单体和共轭二烯单体的混合物; 此后(d)任选的充电单乙烯基芳族单体和共轭二烯单体的混合物; 并且此后(e)中,将反应混合物与偶联剂充电中,在每个步骤worin的(a)和(d)聚合反应进行到实质上无游离单体存在。

    Tapered block copolymers of monovinylarenes and conjugated dienes
    6.
    发明公开
    Tapered block copolymers of monovinylarenes and conjugated dienes 失效
    共轭二烯的monovinylarenem嵌段共聚物和连续变化的组合物的具有端块。

    公开(公告)号:EP0656377A1

    公开(公告)日:1995-06-07

    申请号:EP94118996.1

    申请日:1994-12-01

    CPC classification number: C08F297/044

    Abstract: 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.

    Abstract translation: 甲共聚物prepd。 在通过反应区:(a)将在随机化和聚合物伊辛的存在下,单乙烯基芳族单体的引发剂,直到无游离单体存在; (B)加入引发剂和单乙烯基芳族单体和聚合物伊辛直到无游离单体存在; (C)加入mixt。 单乙烯基芳族单体和共轭聚合物和服务伊辛直到无游离单体存在; (D)加入mixt。 单乙烯基芳族单体和共轭二烯单体和聚合物伊辛直到没有游离单体存在的; (E)添加共轭二烯单体和允许完全聚合到发生,直到无游离单体存在; 和(f)添加偶联剂。 只有两个引发剂电荷都存在并且在步骤(a)和(b)加入。 所以要求保护的是(ⅰ)多峰共聚物的方法制造; (二)-articles从共聚物制成,并且(ii)具有链从耦合而产生的多型偶联的嵌段共聚物; S-S-B / S-B / S-B-栗S-B / S-B / S-B-栗S =单乙烯基芳族嵌段; B =共轭二烯嵌段; B / S =锥形B和S块; 和Li =活性聚合物或偶联部位。

    Tapered block copolymers of monovinylarenes and conjugated dienes
    9.
    发明公开
    Tapered block copolymers of monovinylarenes and conjugated dienes 失效
    连续变化的组合物的monovinylarenem - 共轭二烯具有端嵌段的嵌段共聚物。

    公开(公告)号:EP0654488A1

    公开(公告)日:1995-05-24

    申请号:EP94117957.4

    申请日:1994-11-14

    Abstract: 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.

    Abstract translation: 一种制备递变嵌段共聚物,其是用于与苯乙烯聚合物的共混物共混物组分是特别有用的方法。 在本发明的第一实施方式的共聚物在聚合过程中制备的通过顺序充电:(1)与引发剂,并在无规化剂存在下单乙烯基芳族单体; (2)与引发剂和单乙烯基芳族单体; (3)单乙烯基芳族和共轭服务单体的混合物; 和(4)偶联剂; 以产生多峰递变嵌段共聚物。 在本发明递变嵌段共聚物的第二实施例中的聚合方法来制备通过顺序充电:(1)与引发剂,并在无规化剂存在下单乙烯基芳族单体; (2)与引发剂和单乙烯基芳族单体; (3)单乙烯基芳族和共轭服务单体的混合物; (4)单乙烯基芳族和共轭服务单体的混合物; 和(5)偶联剂; 以产生多峰递变嵌段共聚物。 本发明共聚物和与苯乙烯聚合物本发明共聚物的共混物可用于应用中特别有用:如包装并且需要透明性的食品或饮料容器,低蓝度,无色,良好的冲击强度和延展性。

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