Blends of fluoroplastics and fluoroelastomers
    12.
    发明授权
    Blends of fluoroplastics and fluoroelastomers 失效
    氟塑料和含氟弹性体的共混物

    公开(公告)号:US4713418A

    公开(公告)日:1987-12-15

    申请号:US805543

    申请日:1985-12-06

    CPC分类号: C08L27/18

    摘要: A composition and method for preparing it is disclosed. The composition in a blend of a cured fluoroelastomer which except for the cure sites is a perfluorocarbon and a thermoplastic copolymer of tetrafluoroethylene which is present as generally spherical particles having a particle size of less than 10 microns. The composition is prepared by blending the fluoroelastomer and thermoplastic copolymer at a temperature above the melting point of the thermoplastic copolymer followed by curing the fluoroelastomer.

    摘要翻译: 公开了一种制备组合物和方法。 除了固化部位之外的固化的含氟弹性体的共混物中的组合物是全氟化碳和四氟乙烯的热塑性共聚物,其作为通常为粒径小于10微米的球形颗粒存在。 通过在高于热塑性共聚物的熔点的温度下混合含氟弹性体和热塑性共聚物,然后固化含氟弹性体来制备组合物。

    Graphite reinforced perfluoroelastomer
    16.
    发明授权
    Graphite reinforced perfluoroelastomer 失效
    石墨增强全氟弹性体

    公开(公告)号:US4503171A

    公开(公告)日:1985-03-05

    申请号:US569975

    申请日:1984-01-11

    CPC分类号: C08K9/04 Y10T428/2998

    摘要: Graphite particularly suitable for compounding with perfluoroelastomers having grafted thereto reactive sites having a fluorinated aromatic ring. The perfluoroelastomer blends exhibit markedly improved tensile strength while retaining the outstanding thermal and chemical stability of the perfluoroelastomers.

    摘要翻译: 石墨特别适用于与具有氟化芳环的具有接枝反应性位点的全氟弹性体复配。 全氟弹性体共混物显示出显着提高的拉伸强度,同时保持全氟弹性体的出色的热和化学稳定性。

    Elastomeric compositions containing treated PTFE
    19.
    发明授权
    Elastomeric compositions containing treated PTFE 失效
    含有经处理的PTFE的弹性组合物

    公开(公告)号:US4507439A

    公开(公告)日:1985-03-26

    申请号:US555488

    申请日:1983-11-28

    CPC分类号: C08L27/12 C08L21/00 C08L27/18

    摘要: An elastomeric composition comprising an elastomer matrix having dispersed therein about 3-30 parts per 100 parts by weight of the elastomer of powdered polytetrafluoroethylene having a number average molecular weight of at least about 250,000 and a surface area of at least 1 m.sup.2 /g which has been treated with about 50-120% of sodium-naphthalene addition compound or another addition compound of an alkali metal required for the alkali metal to react with all the fluorine atoms on the surface of the polytetrafluoroethylene powder.By dispersing such treated polytetrafluoroethylene powder in elastomer matrix, one increases significantly the tear strength of the elastomer, while increasing its modulus only moderately. In this way, the processability of the elastomeric compositions is not adversely affected.

    摘要翻译: 一种弹性体组合物,其包含其中分散有约3-30份的弹性体基质,每100重量份数均分子量为至少约250,000的粉末状聚四氟乙烯弹性体和表面积至少为1m 2 / g,其具有 用大约50-120%的钠 - 萘加成化合物或碱金属的另一加成化合物与聚四氟乙烯粉末表面上的全部氟原子反应。 通过将这种处理的聚四氟乙烯粉末分散在弹性体基体中,可以显着提高弹性体的撕裂强度,同时仅适度增加其模量。 以这种方式,弹性体组合物的加工性不受不利影响。

    Visual Function Targeting Using Varying Contrasting Areas
    20.
    发明申请
    Visual Function Targeting Using Varying Contrasting Areas 审中-公开
    使用不同对比区域的视觉功能定位

    公开(公告)号:US20160035122A1

    公开(公告)日:2016-02-04

    申请号:US14447794

    申请日:2014-07-31

    IPC分类号: G06T13/80 G06T7/00 G06T7/20

    CPC分类号: G06T13/80 A61B3/022

    摘要: A solution for targeting a visual function using varying contrasting areas is provided. An animation including a changing figure can be generated. The changing figure can include contrasting areas having attributes that change substantially continually during the animation. For example, a location of the contrasting areas within the changing figure can be changed to create an appearance of motion of the contrasting areas within the changing figure. The shape attributes can be determined based on a target visual function, a target performance level of the target visual function, and a plurality of display attributes of a display environment for an observer. The animation can be provided for display to the observer, and an indication of whether the observer is able to perceive the changes can be received and used to assess a performance level of the visual function.

    摘要翻译: 提供了使用不同对比区域来瞄准视觉功能的解决方案。 可以生成包括变化的图形的动画。 变化的人物可以包括具有在动画期间基本上连续变化的属性的对比区域。 例如,改变图中的对比区域的位置可以被改变以产生变化图中的对比区域的运动的外观。 可以基于目标视觉功能,目标视觉功能的目标性能水平以及用于观察者的显示环境的多个显示属性来确定形状属性。 可以将动画提供给观察者显示,并且可以接收观察者是否能够感知到变化的指示并用于评估视觉功能的性能水平。