Nanoporous materials and methods of formation thereof
    1.
    发明申请
    Nanoporous materials and methods of formation thereof 审中-公开
    纳米材料及其形成方法

    公开(公告)号:US20070100109A1

    公开(公告)日:2007-05-03

    申请号:US10520252

    申请日:2002-08-15

    IPC分类号: C08G77/12

    摘要: Low dielectric materials are described herein that comprise a plurality of pores or nanopores in addition to the ultrananopores. It is further contemplated that the low dielectric materials described herein will have a dielectric constant of less than about 3. The dielectric materials are fromed from polymer compositions, wherein the polymer compositions comprise a plurality of monomers and wherein at least one monomer comprises a radical precursor bonded to a structural precursor. Further, methods of forming dielectric materials from polymer compositions are presented. The figure shows the chemical structure for a methyl/t-butyl Low organic Content/Low Organic Siloxane Polymer.

    摘要翻译: 本文描述的低电介质材料除了超极子纳米孔之外还包含多个孔或纳米孔。 进一步预期,本文所述的低电介质材料将具有小于约3的介电常数。介电材料来自聚合物组合物,其中聚合物组合物包含多个单体,并且其中至少一个单体包含自由基前体 结合到结构前体。 此外,提出了从聚合物组合物形成电介质材料的方法。 该图显示了甲基/叔丁基低有机含量/低有机硅氧烷聚合物的化学结构。

    Synthesis of siloxane resins
    2.
    发明申请
    Synthesis of siloxane resins 审中-公开
    硅氧烷树脂的合成

    公开(公告)号:US20050003215A1

    公开(公告)日:2005-01-06

    申请号:US10830465

    申请日:2004-04-21

    摘要: Novel processes for preparing hydridosiloxane and organohydridosiloxane resins are disclosed. The processes of the invention broadly provide for the steps of contacting a silane monomer with a phase transfer catalyst in the presence of a reaction mixture that includes a nonpolar, e.g., hydrocarbon, solvent, and a polar solvent, e.g., alcohol and water. The process is conducted under conditions effective to catalytically convert said silane monomer into hydridosiloxane and organohydridosiloxane resins. Recovery of the products is advantageously aided by the ease of separating the phase transfer catalyst from the dual phase reaction mixture by separating the immiscible polar solvent carrying the catalyst from the nonpolar solvent that carries the product. Hydridosiloxane and organohydridosiloxane resins produced by the processes of the invention are also provided.

    摘要翻译: 公开了制备氢硅氧烷和有机氢硅氧烷树脂的新方法。 本发明的方法广泛地提供了在包含非极性例如烃,溶剂和极性溶剂如醇和水的反应混合物存在下使硅烷单体与相转移催化剂接触的步骤。 该方法在有效地将所述硅烷单体催化转化成氢硅氧烷和有机氢硅氧烷树脂的条件下进行。 通过将携带催化剂的不混溶的极性溶剂与携带产物的非极性溶剂分离,可有利地辅助相分离催化剂与双相反应混合物的分离。 还提供了通过本发明的方法制备的氢硅氧烷和有机氢硅氧烷树脂。

    Novolac polymer planarization films with high temperature stability
    5.
    发明授权
    Novolac polymer planarization films with high temperature stability 失效
    酚醛清漆聚合物平面化膜具有高温稳定性

    公开(公告)号:US06723780B2

    公开(公告)日:2004-04-20

    申请号:US10299127

    申请日:2002-11-18

    IPC分类号: B32B2742

    摘要: A process for forming a planarization film on a substrate that does not smoke or fume on heating includes applying a polymeric solution including a novolac resin having a weight average molecular weight between about 1000 and 3000 amu, which has been fractionated to remove molecules with molecular weight below about 350 amu, a surfactant selected from a group consisting of a non-fluorinated hydrocarbon, a fluorinated hydrocarbon and combinations thereof, and an optional organic solvent to a substrate, followed by heating the substrate.

    摘要翻译: 在加热时不吸烟或烟雾的基板上形成平坦化膜的方法包括施加包含重量平均分子量在约1000和3000amu之间的聚合溶液,其已被分级分离以除去分子量分子 低于约350amu,将选自非氟化烃,氟化烃及其组合的表面活性剂和任选的有机溶剂加入到基材中,然后加热基材。