Extruded foamed silicone rubber composition and method for making same
    1.
    发明授权
    Extruded foamed silicone rubber composition and method for making same 失效
    挤出发泡硅橡胶组合物及其制备方法

    公开(公告)号:US5985947A

    公开(公告)日:1999-11-16

    申请号:US220240

    申请日:1998-12-23

    申请人: Peter Hagen

    发明人: Peter Hagen

    IPC分类号: C08J9/08

    摘要: An extruded foamed silicone rubber composition including ammonium carbonate or ammonium bicarbonate reacted with acetic acid at room temperature. The components can be adjusted to control the degree of foaming, and the amount of acetic acid can be adjusted to control the cure rate.

    摘要翻译: 包含碳酸铵或碳酸氢铵的挤出发泡硅橡胶组合物在室温下与乙酸反应。 可以调节组分以控制发泡度,并且可以调节乙酸的量以控制固化速率。

    Aqueous air foams of polyhydroxy polymer
    5.
    发明授权
    Aqueous air foams of polyhydroxy polymer 失效
    多羟基聚合物的水性空气泡沫

    公开(公告)号:US5124363A

    公开(公告)日:1992-06-23

    申请号:US675403

    申请日:1991-03-26

    申请人: Richard M. Stern

    发明人: Richard M. Stern

    IPC分类号: A62D1/02 A62D3/00

    摘要: A method of treating hazardous material or other substrate with an aqueous air foam, comprising the steps of (1) preparing an aqueous solution or dispersion comprising (a) water-soluble polyhydroxy polymer having a plurality of hydrogen-bondable 1,2- and/or 1,3-diol structures capable of complexation with the borate anion, B(OH).sub.4.sup.-, (b) polyvalent ionic complexing agent, such as borax, which crosslinks said polymer by hydrogen-bonding complexation, (c) foaming agent to impart persistence to the fluid air foam generated upon aeration of said solution or dispersion, (d) a pH modifier, such as sodium hydroxide or acetic acid, to impart an appropriate pH to the solution or dispersion necessary for time-controlled formation of gelled or viscous air foam from the fluid air foam, and (e) water as the major component of said aqueous solution or dispersion by weight; (2) aerating said aqueous solution or air-entrained, low density foam (or air foam) which is gelable or becomes viscous, generally at least 5 seconds after its formation; and (3) spraying, contacting or otherwise applying said fluid, aqueous air foam to exposed surface of said hazardous material or other substrate.

    摘要翻译: 一种用含水气泡处理危险材料或其它基材的方法,包括以下步骤:(1)制备水溶液或分散体,其包含(a)水溶性多羟基聚合物,其具有多个可氢键连的1,2-和/ 或能够与硼酸根阴离子络合的1,3-二醇结构,B(OH)4,(b)多价离子络合剂如硼砂,其通过氢键络合使所述聚合物交联,(c)发泡剂至 赋予在所述溶液或分散体通气时产生的流体空气泡沫的持久性,(d)pH调节剂,例如氢氧化钠或乙酸,以赋予时间控制形成胶凝或凝胶所需的溶液或分散体适当的pH 来自流体空气泡沫的粘性空气泡沫,和(e)作为所述水溶液或分散体重量的主要成分的水; (2)使所述水溶液分散体充气,从而形成通常在其形成后至少5秒钟可凝胶化或变得粘稠的流体,含水,充气或空气夹带的低密度泡沫(或空气泡沫) 和(3)将所述流体喷射,接触或以其他方式施加水性气泡到所述危险材料或其它基底的暴露表面。

    Low-density polyester resin foams and method of preparation
    7.
    发明授权
    Low-density polyester resin foams and method of preparation 失效
    低密度聚酯树脂泡沫及其制备方法

    公开(公告)号:US3920589A

    公开(公告)日:1975-11-18

    申请号:US48982074

    申请日:1974-07-18

    摘要: Low-density polyester foams are prepared from an admixture which comprises in combination a liquid unsaturated curable polyester resin, a peroxide curing agent, an accelerator, a hydrazide blowing agent and a redox compound which adjusts the rate of polymerization of the resin, so as to expand the resin in a selective emanner to obtain a low-density, uniform, polyester foam.

    摘要翻译: 低密度聚酯泡沫由混合物制备,该混合物包括液体不可固化聚酯树脂,过氧化物固化剂,促进剂,酰肼发泡剂和调节树脂聚合速率的氧化还原化合物,以便 在选择性扫描仪中膨胀树脂以获得低密度,均匀的聚酯泡沫。

    Fibrillar matrices
    10.
    发明授权
    Fibrillar matrices 有权
    纤维基质

    公开(公告)号:US6146892A

    公开(公告)日:2000-11-14

    申请号:US162071

    申请日:1998-09-28

    摘要: Methods and compositions are described that provide three-dimensional fibrillar matrices useful as, among other things, structural prosthetics and scaffolds for cells. The porous fibrillar matrices of the present invention have desirable mechanical properties suitable to a variety of applications, including platforms for in vitro cell cultivation, implants for tissue and organ engineering, implants as tendon and facia prosthetics, and product packaging.

    摘要翻译: 描述了提供三维纤维基质的方法和组合物,其用作细胞的结构假体和支架等。 本发明的多孔纤维基质具有适合于各种应用的理想的机械性能,包括用于体外细胞培养的平台,用于组织和器官工程的植入物,作为腱和面膜假体的植入物和产品包装。