Initiating process and system for the anionic polymerisation of acrylic
monomers
    1.
    发明授权
    Initiating process and system for the anionic polymerisation of acrylic monomers 失效
    用于丙烯酸单体的阴离子聚合的引发方法和系统

    公开(公告)号:US5723559A

    公开(公告)日:1998-03-03

    申请号:US479970

    申请日:1995-06-07

    摘要: This invention relates to an initiating system for the anionic polymerization of acrylic monomers, and where necessary vinyl comonomers, including at least one R-M initiator in which M is a metal chosen from among the alkali and alkaline earth metals and R is a linear or branched chain alkyl, aryl, or arylalkyl radical. The polymerization may also take place in the presence of at least one R.sub.1 OM.sub.1 alkali metal alcoholate, in which R is an linear or branched chain alkyl, aryl, or arylalkyl radical and M.sub.1 is an alkali metal, on the condition that when M.sub.1 is lithium, then R is an aryl or arylalkyl radical. This invention also related to a process for the polymerization of primary, secondary, or tertiary alkyl acrylates, and possibly of vinyl comonomers, in the presence of the initiating system described above.

    摘要翻译: 本发明涉及用于丙烯酸单体的阴离子聚合的引发体系,并且在必要时乙烯基共聚单体包括至少一种RM引发剂,其中M是选自碱金属和碱土金属的金属,R是直链或支链 烷基,芳基或芳基烷基。 聚合还可以在至少一种R1OM1碱金属醇化物的存在下进行,其中R是直链或支链烷基,芳基或芳基烷基,M1是碱金属,条件是当M1是锂时, 那么R是芳基或芳基烷基。 本发明还涉及在上述引发体系存在下聚合丙烯酸伯,仲或叔烷基酯和可能的乙烯基共聚单体的方法。

    Method and system for priming anionic polymerization of (meth)acrylates
    2.
    发明授权
    Method and system for priming anionic polymerization of (meth)acrylates 失效
    引发(甲基)丙烯酸酯阴离子聚合的方法和系统

    公开(公告)号:US5266667A

    公开(公告)日:1993-11-30

    申请号:US777305

    申请日:1991-11-29

    CPC分类号: C08F20/10

    摘要: This system for priming the animic polymerization of (meth)acrylates includes at least one primer of the formula R--M (I) in which M represents a metal selected from alkaline and alkaline earth metals and R represents an alkyl radical with a straight or branched chain containing 2 to 6 atoms of carbon or an aryl radical or an arylalkyl radical. H is characterized in that it further contains at least one organic derivative of an alkaline metal, with the proviso that said organic derivative is neither an alcoholate nor a carboxyl acid ester substituted in position .alpha. by said metal. Applications in the anionic polymerization of (meth)acrylates.

    摘要翻译: PCT No.PCT / FR90 / 00378 Sec。 371日期:1991年11月29日 102(e)1991年11月29日PCT PCT 1990年5月31日PCT公布。 出版物WO90 / 15083 这种用于引发(甲基)丙烯酸酯的动画聚合的该系统包括至少一种式RM(I)的引物,其中M表示选自碱金属和碱土金属的金属,R表示烷基 具有含有2至6个碳原子或芳基或芳基烷基的直链或支链。 H的特征在于它还含有至少一种碱金属的有机衍生物,条件是所述有机衍生物既不是醇化物,也不是由所述金属在α位置取代的羧酸酯。 (甲基)丙烯酸酯阴离子聚合中的应用。

    Initiation system for the anionic polymerisation of (meth)acrylic
monomers
    3.
    发明授权
    Initiation system for the anionic polymerisation of (meth)acrylic monomers 失效
    (甲基)丙烯酸单体的阴离子聚合引发体系

    公开(公告)号:US5686534A

    公开(公告)日:1997-11-11

    申请号:US306524

    申请日:1994-09-15

    CPC分类号: C08F297/026

    摘要: An initiation system for the anionic polymerization of (meth)acrylic monomers and, optionally, nonacrylic vinyl monomers is disclosed. The initiation system comprises (1) a functional initiator and (2) an alkali metal alcoholate having the formula R'OM', in which M' is an alkali metal and R' is a group R.sup.1 (OR.sup.2).sub.m where R.sup.1 is a C.sub.1 -C.sub.6 alkyl or arylalkyl radical, R.sup.2 is a C.sub.2 -C.sub.4 alkylene radical and m is equal to 1, 2 or 3. The initiation system is applied to the formation of (meth)acrylic homopolymers and block copolymers of (meth)acrylic monomers and, optionally, nonacrylic vinyl comonomers.

    摘要翻译: 公开了(甲基)丙烯酸单体和任选的非丙烯酸乙烯基单体的阴离子聚合引发体系。 引发体系包括(1)官能引发剂和(2)具有式R'OM'的碱金属醇化物,其中M'是碱金属,R'是R1(OR2)m基团,其中R1是C1 -C 6烷基或芳基烷基,R 2是C 2 -C 4亚烷基,m等于1,2或3.引发体系用于(甲基)丙烯酸单体的(甲基)丙烯酸均聚物和嵌段共聚物的形成和 ,任选地,非丙烯酸乙烯基共聚单体。

    Heat-resistant maleimido polymers/block copolymers
    4.
    发明授权
    Heat-resistant maleimido polymers/block copolymers 失效
    耐热马来酰亚胺聚合物/嵌段共聚物

    公开(公告)号:US5668231A

    公开(公告)日:1997-09-16

    申请号:US712489

    申请日:1996-09-11

    CPC分类号: C08F297/026 C08F122/40

    摘要: Novel N-substituted maleimide homopolymers having a number-average molecular weight ranging from 12,000 to about 100,000 are prepared by anionically polymerizing an N-substituted maleimide monomer, in solvent phase, in the presence of at least one organometallic polymerization initiator which comprises sec-butyllithium, a sodium alcoholate, diphenylmethylpotassium, naphthalenelithium or naphthalenesodium, and novel N-substituted maleimide homopolymers having a polydispersity index ranging from 1.1 to 1.5 are prepared by anionically polymerizing an N-substituted maleimide monomer, in solvent phase, in the presence of at least one alkali metal organometallic polymerization initiator and at least one inorganic or organic salt of an alkali or alkaline earth metal; novel block copolymers include blocks of the above maleimido homopolymers and, e.g., blocks of an acrylic or methacrylic polymer.

    摘要翻译: 通过在至少一种有机金属聚合引发剂的存在下,在溶剂相中阴离子聚合N-取代的马来酰亚胺单体,制备数均分子量为12,000至约100,000的新型N-取代的马来酰亚胺均聚物,该有机金属聚合引发剂包括仲丁基锂 ,醇钠,二苯基甲基钾,萘锂或萘钠,以及分子量指数为1.1〜1.5的新型N-取代马来酰亚胺均聚物,是通过在溶剂相中,在至少一种 碱金属有机金属聚合引发剂和至少一种碱金属或碱土金属的无机或有机盐; 新的嵌段共聚物包括上述马来酰亚胺均聚物的嵌段和例如丙烯酸或甲基丙烯酸聚合物的嵌段。

    Functionalized multiblock macromonomers and process for their production
    5.
    发明授权
    Functionalized multiblock macromonomers and process for their production 失效
    功能化多嵌段大分子单体及其制备方法

    公开(公告)号:US5391628A

    公开(公告)日:1995-02-21

    申请号:US916875

    申请日:1992-09-03

    CPC分类号: C08F290/04 C08F297/026

    摘要: The application discloses a functionalized multiblock macromonomer of formula: ##STR1## or of formula: ##STR2## in which formulae: each of the blocks A, B and C represents a sequence of a monomer chosen from the acrylic, vinylaromatic, methacrylic, diene, vinylpyridine, vinylpyrrolidone, alkylene oxide, lactam, lactone and maleimide monomer classes, on condition that at least one of the blocks A and C is chosen from a different class to that of block B and that at least one of the blocks A, B or C is a (meth)acrylic sequence,m, n and p are integers representing the number of monomer units in the sequence under consideration, such that 3.ltoreq.n.ltoreq.1000, 0.ltoreq.m.ltoreq.1000 and 0.ltoreq.p.ltoreq.1000, on condition that m and p are not 0 at the same time, andF is a group terminated by O.sup.-, by OH, by an .alpha.,.beta.-ethylenic unsaturation, or by an oxirane groups.Also disclosed are processes for preparing the functionalized multiblock macromonomer which macromonomer combines the advantages of multiblock polymers containing acrylic sequences with the reactivity of macromonomers.

    摘要翻译: PCT No.PCT / FR91 / 00110 Sec。 371日期:1992年9月3日 102(e)日期1992年9月3日PCT 1991年2月14日提交PCT公布。 公开号WO91 / 12284 日期:1991年8月22日。该申请公开了下式的功能化多嵌段大分子单体:其中式A,B和C各自表示 选自丙烯酸,乙烯基芳香族,甲基丙烯酸,二烯,乙烯基吡啶,乙烯基吡咯烷酮,环氧烷,内酰胺,内酯和马来酰亚胺单体类的单体,条件是块A和C中的至少一个选自与块的不同的类别 并且至少一个嵌段A,B或C是(甲基)丙烯酸序列,m,n和p是表示所考虑的序列中的单体单元数目的整数,使得3≤n< 条件是m和p不同时为0,F为以O取代的基团,通过OH,= 1000,0

    Star-shaped copolymers and process for their manufacture
    7.
    发明授权
    Star-shaped copolymers and process for their manufacture 失效
    星形共聚物及其制造方法

    公开(公告)号:US5756585A

    公开(公告)日:1998-05-26

    申请号:US383437

    申请日:1995-02-03

    IPC分类号: C08F297/02

    CPC分类号: C08F297/026

    摘要: A process for manufacturing a star shaped block polymer of formula (PA--PB--PC).sub.n --N--(PD--PE).sub.m wherein PA, PB and PC are respectively vinylaromatic/methacrylic blocks, acrylic blocks and methacrylic blocks. PD is a polymer block selected from vinylaromatic and/or methacrylic monomer units, PE is an acrylic polymer block, n is 2 to 20 and m is 0 to 18 with the proviso that m+n is .ltoreq.20. The process proceeds by anionic polymerization in the presence of a monofunctional initiator of formula (II), (R).sub.p --M wherein M is an alkali or alkaline earth metal, p is 1 or 2 and R is a straight or branched alkyl radical having 2 to 6 carbon atoms or a C.sub.1 to C.sub.6 substituted alkyl radical.

    摘要翻译: 制备式(PA-PB-PC)n-N-(PD-PE)m的星形嵌段聚合物的方法,其中PA,PB和PC分别是乙烯基芳族化合物/甲基丙烯酸酯嵌段,丙烯酸嵌段和甲基丙烯酸酯嵌段。 PD是选自乙烯基芳族化合物和/或甲基丙烯酸单体单元的聚合物嵌段,PE是丙烯酸类聚合物嵌段,n为2至20,m为0至18,条件是m + n为20。 该方法在式(II)的单官能引发剂,(R)p-M的存在下进行阴离子聚合,其中M为碱金属或碱土金属,p为1或2,R为直链或支链烷基,具有2 至6个碳原子或C 1至C 6取代的烷基。

    Acrylic triblock copolymers, their preparation and their application to
the manufacture of elastomeric articles
    8.
    发明授权
    Acrylic triblock copolymers, their preparation and their application to the manufacture of elastomeric articles 失效
    丙烯酸三嵌段共聚物,它们的制备及其在制备弹性体制品中的应用

    公开(公告)号:US5264527A

    公开(公告)日:1993-11-23

    申请号:US777405

    申请日:1991-12-11

    CPC分类号: C08F122/40 C08F297/026

    摘要: Triblock copolymers containing a copolymer having a number-average molecular weight of from 3,000 to 300,000, a molecular weight polydispersity of from 1.05 to 2.0, and an A-B-C structure in which each of the blocks A and C may be a monomer sequence chosen from an acrylic, a vinylaromatic, a methacrylic or a maleimide monomer, and block B may be a monomer sequence chosen from an acrylic, a vinylaromatic or a methacrylic monomer, where at least one of the blocks A and C is different than block B.

    摘要翻译: PCT No.PCT / FR90 / 00514 Sec。 371日期1991年12月11日 102(e)日期1991年12月11日PCT提交1990年5月7日PCT公布。 出版物WO91 / 00874 日本1991年1月24日。含有数均分子量为3,000〜300,000,分子量多分散性为1.05〜2.0的共聚物的三嵌段共聚物,以及其中块A和C各自为 选自丙烯酸,乙烯基芳族化合物,甲基丙烯酸或马来酰亚胺单体的单体序列和嵌段B可以是选自丙烯酸,乙烯基芳族化合物或甲基丙烯酸单体的单体序列,其中至少一个嵌段A和C不同 比块B.

    Initiation system for the anionic polymerization of (meth)acrylic
monomers
    10.
    发明授权
    Initiation system for the anionic polymerization of (meth)acrylic monomers 失效
    (甲基)丙烯酸单体阴离子聚合引发体系

    公开(公告)号:US5677387A

    公开(公告)日:1997-10-14

    申请号:US476253

    申请日:1995-06-07

    CPC分类号: C08F297/026

    摘要: A diblock copolymer obtained by polymerizing acrylic, methacrylic or nonacrylic vinyl monomers in the presence of a polymerization initiating amount of an initiation system including (1) at least one functional initiator and (2) an alkali metal alcoholate. The alcoholate has the formula: R'OM' in which M' is an alkali metal and R' has the formula: R.sup.1 (OR.sup.2).sub.m in which R.sup.1 is a linear or branched alkyl radical containing from 1 to 6 carbon atoms or an arylalkyl radical, R.sup.2 is a linear or branched alkylene radical containing from 2 to 4 carbon atoms, and m is the integer 1, 2 or 3.

    摘要翻译: 在聚合引发量的引发体系存在下,通过聚合丙烯酸,甲基丙烯酸或非丙烯酸乙烯基单体获得的二嵌段共聚物,包括(1)至少一种官能引发剂和(2)碱金属醇化物。 醇化物具有下式:R'OM',其中M'是碱金属,R'具有式:R 1(OR 2)min,其中R 1是含有1至6个碳原子的直链或支链烷基或芳基烷基 ,R2是含有2至4个碳原子的直链或支链亚烷基,m是整数1,2或3。