Process to prepare low density porous crosslinked polymeric materials
    51.
    发明授权
    Process to prepare low density porous crosslinked polymeric materials 失效
    制备低密度多孔交联聚合物材料的方法

    公开(公告)号:US5362762A

    公开(公告)日:1994-11-08

    申请号:US226203

    申请日:1994-04-11

    CPC classification number: C08J9/283 C08F2/32 C08J2201/028 C08J2201/0504

    Abstract: Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and initiators, useful in preparing low density porous crosslinked polymeric foams, are obtained by using a surfactant system containing (a) one or more sorbitan fatty acid ester or saccharide fatty acid ester and (b) a glycerol monofatty acid ester. A higher water to oil ratio water-in-oil emulsions can be formed with the same formulation by using the glycerol monofatty acid ester cosurfactant.

    Abstract translation: 通过使用含有(a)一种或多种脱水山梨糖醇脂肪酸酯或糖的表面活性剂体系,可获得含有可聚合乙烯基单体,交联单体和引发剂的稳定的高内相油包水乳液,其可用于制备低密度多孔交联聚合物泡沫体 脂肪酸酯和(b)甘油单脂肪酸酯。 通过使用甘油单脂酸酯辅助表面活性剂,可以用相同的配方形成更高的油包水比例的油包水乳液。

    Process for the production of high internal phase emulsion foams
    57.
    发明授权
    Process for the production of high internal phase emulsion foams 有权
    生产高内相乳液泡沫的方法

    公开(公告)号:US09056412B2

    公开(公告)日:2015-06-16

    申请号:US12794993

    申请日:2010-06-07

    Abstract: A method for reducing the adherence of a High Internal Phase Emulsion (HIPE) to belt surfaces in a multi-tiered curing oven is provided. The method comprises forming a High Internal Phase Emulsion from an oil phase comprising monomer, cross-linking agent, emulsifier, an aqueous phase and photoinitiator; depositing the High Internal Phase Emulsion on an extrusion belt; exposing the High Internal Phase Emulsion to an Ultraviolet light source to partially polymerize the top surface of the High Internal Phase Emulsion; moving the High Internal Phase Emulsion to a multi-tiered curing oven such that the partially polymerized top surface of the High Internal Phase Emulsion is contacted with a curing oven belt in the multi-tiered curing oven; and polymerizing the monomer component in the oil phase of the High Internal Phase Emulsion at a temperature of from about 20° C. to about 150° C. for a time sufficient to from a High Internal Phase Emulsion foam.

    Abstract translation: 提供了一种在多层固化炉中降低高内相乳液(HIPE)对带表面的粘附性的方法。 该方法包括从包含单体,交联剂,乳化剂,水相和光引发剂的油相形成高内相乳液; 将高内相乳液沉积在挤出带上; 将高内相乳液暴露于紫外光源以部分聚合高内相乳液的顶表面; 将高内相乳液移动到多层固化炉中,使得高内相乳液的部分聚合的顶表面与多层固化炉中的固化炉带接触; 并将高内相乳液的油相中的单体组分在约20℃至约150℃的温度下聚合足够长时间从高内相乳液泡沫中分离。

    REACTORS FOR FORMING FOAM MATERIALS FROM HIGH INTERNAL PHASE EMULSIONS, METHODS OF FORMING FOAM MATERIALS AND CONDUCTIVE NANOSTRUCTURES THEREIN
    60.
    发明申请
    REACTORS FOR FORMING FOAM MATERIALS FROM HIGH INTERNAL PHASE EMULSIONS, METHODS OF FORMING FOAM MATERIALS AND CONDUCTIVE NANOSTRUCTURES THEREIN 有权
    用于形成来自高内相乳液的泡沫材料的反应物,形成泡沫材料的方法和导电性纳米结构

    公开(公告)号:US20130299415A1

    公开(公告)日:2013-11-14

    申请号:US13932886

    申请日:2013-07-01

    Applicant: McCutchen Co.

    Abstract: An RF inductor such as a Tesla antenna splices nanotube ends together to form a nanostructure in a polymer foam matrix. High Internal Phase Emulsion (HIPE) is gently sheared and stretched in a reactor comprising opposed coaxial counter-rotating impellers, which parallel-align polymer chains and also carbon nanotubes mixed with the oil phase. Stretching and forced convection prevent the auto-acceleration effect. Batch and continuous processes are disclosed. In the batch process, a fractal radial array of coherent vortices in the HIPE is preserved when the HIPE polymerizes, and helical nanostructures around these vortices are spliced by microhammering into longer helices. A disk radial filter produced by the batch process has improved radial flux from edge to center due to its area-preserving radial vascular network. In the continuous process, strips of HIPE are pulled from the periphery of the reactor continuously and post-treated by an RF inductor to produce cured conductive foam.

    Abstract translation: 诸如特斯拉天线的RF电感器将纳米管接合在一起以在聚合物泡沫基质中​​形成纳米结构。 将高内相乳液(HIPE)在包括相对的同向反向旋转叶轮的反应器中轻轻地剪切和拉伸,其平行对准聚合物链以及与油相混合的碳纳米管。 拉伸和强制对流防止自动加速效应。 公开了批量和连续过程。 在间歇过程中,当HIPE聚合时,HIPE中的相干旋涡的分形径向阵列被保留,并且围绕这些涡流的螺旋纳米结构通过微型加工被剪接成更长的螺旋。 通过间歇法生产的盘式径向过滤器由于其面积保持的径向血管网络而具有从边缘到中心的径向通量。 在连续过程中,HIPE条被连续地从反应器的外围拉出,并由RF电感器进行后处理以产生固化的导电泡沫。

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