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    METHOD FOR MANUFACTURING WATERPROOF SOUND-TRANSMITTING FILM, WATERPROOF SOUND-TRANSMITTING FILM, AND ELECTRONIC DEVICE
    1.
    发明公开
    METHOD FOR MANUFACTURING WATERPROOF SOUND-TRANSMITTING FILM, WATERPROOF SOUND-TRANSMITTING FILM, AND ELECTRONIC DEVICE 审中-公开
    用于生产支撑膜的防水透声，支撑薄膜和电子设备的防水透声

    公开(公告)号：EP3112404A1

    公开(公告)日：2017-01-04

    申请号：EP15755469.2

    申请日：2015-01-26

    申请人： Nitto Denko Corporation

    发明人： MORI, Masaaki ,  TACHIBANA, Toshimitsu

    IPC分类号： C08J9/00 ,  G10K9/22 ,  H04R1/00

    CPC分类号： H04R1/023 ,  C08J5/18 ,  C08J7/16 ,  C08J2327/18 ,  C08J2427/12 ,  G10K9/22 ,  G10K11/24 ,  H04R1/086 ,  H04R1/44 ,  H04R2499/11

    摘要： A waterproof sound-permeable membrane (10) includes a polytetrafluoroethylene (PTFE) membrane (20). The PTFE membrane (20) is obtained by stretching a PTFE sheet so as to obtain a porous PTFE membrane having a porous structure including a plurality of fibrils and pores between the plurality of fibrils and then applying a pressure to only a region of one principal surface of the porous PTFE membrane in a thickness direction of the porous PTFE membrane or by applying a greater pressure to a region of one principal surface of the porous PTFE membrane than to a remaining region of the one principal surface other than the region to which the greater pressure is applied, in the thickness direction of the porous PTFE membrane. The PTFE membrane (20) has a low-density portion (21) having the porous structure and a high-density portion (22) having a lower porosity than the low-density portion (21).

    摘要翻译： 一种防水透声膜（10）包括聚四氟乙烯（PTFE）膜（20）。 的PTFE膜（20）通过拉伸的PTFE片材，从而获得PTFE多孔膜具有多孔结构，其包括原纤维的多元性和原纤维的多元性之间的孔，然后将压力施加到一个主表面的仅一个区域而获得 在PTFE多孔膜的厚度方向上或者通过施加更大的压力，以PTFE多孔膜的一个主表面的区域，而不是比区域到哪个更大以外的一个主表面的剩余区域中的PTFE多孔膜的 压力在PTFE多孔膜的厚度方向施加。 的PTFE膜（20）具有多孔结构，并且具有比低密度部分（21）的下孔隙率的高密度部分（22），低密度部分（21）。

    SLIDING MEMBER, AND METHOD FOR PRODUCING SAME
    2.
    发明公开
    SLIDING MEMBER, AND METHOD FOR PRODUCING SAME 有权
    滑动构件及其制造方法

    公开(公告)号：EP2523049A1

    公开(公告)日：2012-11-14

    申请号：EP10842046.4

    申请日：2010-11-11

    申请人： Nitto Denko Corporation

    发明人： TACHIBANA, Toshimitsu ,  TSUKAMOTO, Katsuki

    IPC分类号： G03G15/16 ,  B29C67/04

    CPC分类号： B29C67/04 ,  B29K2023/0683 ,  B29K2995/0073 ,  G03G15/161 ,  G03G15/162 ,  Y10T428/249953

    摘要： Provided is a sliding member having excellent adhesion and slidability suitable for use as a transfer pad in an image forming apparatus. A sliding member (10) includes a porous body (1) that is a sintered body of ultrahigh molecular weight polyethylene (UHMWPE) particles and having a surface of the porous body (1) as a sliding surface (5). The sliding surface (5) has a particle occupation ratio of 50% or less, and a surface roughness Ra of 2.0 µm or less. The sliding member (10) can be obtained by heating the porous body obtained by cutting the sintered body of UHMWPE particles to make the sliding surface (5) smoother than before the heating.

    摘要翻译： 本发明提供适合用作图像形成装置中的转印垫的具有优异的粘附性和滑动性的滑动构件。 滑动构件（10）包括作为超高分子量聚乙烯（UHMWPE）颗粒的烧结体并且以多孔体（1）的表面作为滑动表面（5）的多孔体（1）。 滑动面（5）的粒子占有率为50％以下，表面粗糙度Ra为2.0μm以下。 通过加热通过切割UHMWPE颗粒的烧结体而获得的多孔体以使得滑动表面（5）比加热之前更平滑，可以获得滑动构件（10）。

    HEAT-RESISTANT RELEASE SHEET AND METHOD FOR CARRYING OUT STEP INVOLVING HEATING AND MELTING OF RESIN
    5.
    发明公开
    HEAT-RESISTANT RELEASE SHEET AND METHOD FOR CARRYING OUT STEP INVOLVING HEATING AND MELTING OF RESIN 审中-公开

    公开(公告)号：EP4130110A1

    公开(公告)日：2023-02-08

    申请号：EP21778897.5

    申请日：2021-03-23

    申请人： NITTO DENKO CORPORATION

    发明人： MURAKI, Yuuzou ,  ARAI, Masahiro ,  AKIBA, Kurato ,  TACHIBANA, Toshimitsu

    IPC分类号： C08J5/18

    摘要： A heat-resistant release sheet provided is a sheet configured to be disposed, when a resin or a target including a resin is used in a step involving heating and melting of the resin, between the resin or the target and a member to be brought into contact with the resin or the target in the step to prevent direct contact between the resin or the target and the member. The above sheet includes a skived sheet including polytetrafluoroethylene (PTFE) or a modified PTFE. A content of a tetrafluoroethylene (TFE) unit in the modified PTFE is 99 mass% or more. In each of two directions being in-plane directions of the heat-resistant release sheet and being perpendicular to each other, a rate of dimensional shrinkage induced by heating at 175°C for 30 minutes is more than 0%. The above sheet includes the skived sheet including the heat-resistant resin but is suitable for preventing, in the above step, occurrence of problems attributable to inclusion of the skived sheet.