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    • 29. 发明授权
    • Elastomer porous material and method of producing the same
    • 弹性体多孔材料及其制造方法
    • US08217090B2
    • 2012-07-10
    • US12745669
    • 2008-12-01
    • Wataru NemotoKazuya TakatoAsuka KoyanagiJun OgawaAtsushi Ikeda
    • Wataru NemotoKazuya TakatoAsuka KoyanagiJun OgawaAtsushi Ikeda
    • C08J5/02C08J9/00
    • C08J9/28B29C44/3403B29C67/202C08J2201/0504C08J2383/04Y10T428/26
    • In the elastomer porous material of the invention, when cells in a first observation region of a first cross section are observed at a certain magnification, cells having a shape factor SF2, which indicates the remoteness from complete roundness and is represented by the following formula: SF ⁢ ⁢ 2 = P 2 4 ⁢ π ⁢ ⁢ A × 100 (wherein A represents the area of each cell, and P represents the perimeter length thereof), of 130 or less account for 80% or more of all cells in the first observation region, and, when cells in a second observation region of a second cross section orthogonal to the first cross section are observed at a certain magnification, cells having a shape factor SF2, which indicates the remoteness from complete roundness and is represented by the same formula (wherein A represents the area of each cell, and P represents the perimeter length thereof), of 130 or less account for 80% or more of all cells in the second observation region.
    • 在本发明的弹性体多孔材料中,当以一定的倍率观察第一截面的第一观察区域的细胞时,具有形状因子SF2的细胞,其表示从完全圆度偏离并由下式表示: SF ud 2 = P 2 4&pgr; ⁢A×100(其中A表示每个单元的面积,P表示其周长)为130以下,占第一观察区域的全部单元的80%以上,并且当第二观测区域中的单元 在一定的放大倍数下观察与第一截面正交的第二截面的观察区域,具有形状因子SF2的单元,其表示从完全圆度偏离并由相同的式(其中A表示每个单元的面积 ,P表示其周长)为130以下,占第二观察区域的全部细胞的80%以上。