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    • 3. 发明申请
    • PROCESS AND HYDROCARBON SOLUBLE SALINE HYDRIDE CATALYST FOR HYDROGEN MEDIATED SALINE HYDRIDE INIATED ANIONIC CHAIN TRANSFER POLYMERIZATION AND POLYMER DISTRIBUTION COMPOSITIONS PRODUCED THEREFROM
    • 氢气介导的盐氢化物引发的阴离子链转移聚合的工艺和烃可溶性盐酸氢化催化剂及其生产的聚合物分布组合物
    • WO2017176740A1
    • 2017-10-12
    • PCT/US2017/025926
    • 2017-04-04
    • ALBEMARLE CORPORATION
    • LAYMAN, William, J.
    • C08F112/08C08F4/48
    • C08F112/08C08F2810/00C08F4/488
    • This invention relates to processes for forming hydrogen mediated saline hydride initiated anionic polymer distributions via novel polymerization conditions in which molecular hydrogen is a chain transfer agent and a Lithium Aminoalkoxide Complexed Saline Hydride (LOXSH) forms an anionic polymer chain initiating species by addition of saline hydride to an anionically polymerizable hydrocarbon monomer. This invention further relates to polystyrene compositions having greatly improved microstructures free of co-product polymer chain distributions. This invention also relates to novel hydrocarbon soluble saline hydride catalyst and reagent compositions useful in conducting the hydrogen mediated saline hydride initiated polymerizations of this invention. This invention further relates to hydrocarbon soluble lithium hydride catalysts and reagent compositions formed from dimethylaminoethanol, an alkyllithium reagent and molecular hydrogen. It also relates to the catalyst forming processes, the use of the catalyst in hydrogen mediated anionic polymerization of styrene (HMAPS) and the resulting low molecular weight polystyrene distributions of low asymmetry and high "head to tail" microstructure.
    • 本发明涉及通过新的聚合条件形成氢介导的盐水引发的阴离子聚合物分布的方法,其中分子氢是链转移剂并且氨基烷醇盐络合盐水(LOXSH)形成阴离子聚合物 通过将盐水氢化物添加到可阴离子聚合的烃单体中来形成链引发物质。 本发明进一步涉及聚苯乙烯组合物,其具有显着改进的微结构而没有副产物聚合物链分布。 本发明还涉及可用于进行本发明的氢介导的盐水起始聚合反应的新型烃溶性盐水氢化物催化剂和试剂组合物。 本发明还涉及由二甲基氨基乙醇,烷基锂试剂和分子氢形成的烃可溶性氢化锂催化剂和试剂组合物。 它还涉及催化剂形成方法,催化剂在氢气介导的苯乙烯阴离子聚合反应(HMAPS)中的用途以及由此产生的低不对称性和高“头对尾”的低分子量聚苯乙烯分布。 微观结构。