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    RESIN FOAM AND FOAM MATERIAL
    2.
    发明申请
    RESIN FOAM AND FOAM MATERIAL 审中-公开
    树脂泡沫和泡沫材料

    公开(公告)号：US20150140315A1

    公开(公告)日：2015-05-21

    申请号：US14403850

    申请日：2013-05-21

    Applicant: NITTO DENKO CORPORATION

    Inventor： Kazumichi Kato ,  Makoto Saitou ,  Kiyoaki Kodama

    IPC: C08J9/00 ,  C09J133/00 ,  C09J7/02 ,  B29C44/02 ,  C08J9/12

    CPC classification number: C08J9/0061 ,  B29C44/02 ,  B29K2067/00 ,  B29K2105/04 ,  B29K2995/0063 ,  B29L2031/737 ,  C08J9/0066 ,  C08J9/122 ,  C08J2201/03 ,  C08J2201/032 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2367/02 ,  C08J2367/03 ,  C08J2433/00 ,  C09J7/26 ,  C09J133/00 ,  C09J2400/243 ,  C09J2433/00 ,  C09J2467/006 ,  Y10T428/249979

    Abstract: A resin foam having excellent dustproofness not only at ordinary temperatures but also particularly at high temperatures as well as having excellent flexibility. The resin foam has a thickness recovery ratio at high temperatures as defined below of not less than 25%, an average cell diameter of 10 to 200 μm, and a maximum cell diameter of not more than 300 μm, wherein the thickness recovery ratio at high temperatures is defined as follows: a resin foam in a sheet form is compressed, in an atmosphere of 80° C., for 22 hours in a thickness direction so as to have a thickness of 20% of the initial thickness; then, the compression state is released in an atmosphere of 23° C.; and a ratio of a thickness 24 hours after the release of the compression state to the initial thickness is defined as the thickness recovery ratio at high temperatures.

    Abstract translation: 一种树脂发泡体，不仅在普通温度下，而且特别是在高温下也具有优异的防尘性，并且具有优异的柔韧性。 树脂发泡体在如下定义的高温下的厚度恢复率为25％以上，平均泡孔直径为10〜200μm，最大泡孔直径为300μm以下，其中高度的回收率 温度定义如下：将片状的树脂发泡体在80℃的气氛中在厚度方向上压缩22小时，使其具有初始厚度的20％的厚度; 然后，在23℃的气氛中释放压缩状态。 并且将压缩状态释放后24小时的厚度与初始厚度的比率定义为高温下的厚度回收率。

    Foamed sheet
    3.
    发明授权
    Foamed sheet 有权

    公开(公告)号：US10316156B2

    公开(公告)日：2019-06-11

    申请号：US15101555

    申请日：2015-09-18

    Applicant: NITTO DENKO CORPORATION

    Inventor： Kohei Doi ,  Kazumichi Kato ,  Hideyuki Tokuyama ,  Tadao Takahashi

    IPC: B32B5/18 ,  C08J5/18 ,  C08J9/00 ,  C08J9/12 ,  C08J9/30 ,  C08J9/36 ,  C09J7/26 ,  B32B27/06 ,  B32B27/28 ,  C09J201/00

    Abstract: There is provided a foamed sheet which takes only a short time to recover the thickness thereof after being compressed, and even if being subjected to repeated impacts, hardly decreases in the impact absorption. The foamed sheet according to the present invention comprises a foamed body formed of a resin composition comprising: a thermoplastic resin a and a silicone-based compound b having not more than 2,000 siloxane bonds; and/or a thermoplastic resin a′ having a silicone chain having not more than 2,000 siloxane bonds. The thermoplastic resin a is preferably at least one selected from the group consisting of acrylic polymers, rubbers, urethanic polymers and ethylene-vinyl acetate copolymers. The silicone-based compound b is preferably at least one selected from the group consisting of silicone oils, modified silicone oils and silicone resins.

    Adsorptive temporary fixing sheet and method for manufacturing same
    5.
    发明授权
    Adsorptive temporary fixing sheet and method for manufacturing same 有权

    公开(公告)号：US11565238B2

    公开(公告)日：2023-01-31

    申请号：US16603388

    申请日：2018-01-22

    Applicant: NITTO DENKO CORPORATION

    Inventor： Toru Iseki ,  Kohei Doi ,  Mitsuhiro Kanada ,  Kazumichi Kato ,  Hideyuki Tokuyama

    IPC: B01J20/26 ,  C09J7/10 ,  B01J20/28 ,  B01J20/30 ,  H01L21/683

    Abstract: Provided is an adsorption temporary fixing sheet having a sufficient shear adhesive strength in a direction parallel to its surface, and having a weak adhesive strength in a direction vertical to the surface. Also provided is a method of producing such adsorption temporary fixing sheet. The adsorption temporary fixing sheet includes a foam layer including an open-cell structure, wherein, when a silicon chip vertical adhesive strength of a surface of the foam layer after 20 hours at each of such different temperatures as −40° C., 23° C., or 125° C. is represented by V1 (N/1 cm□), V2 (N/1 cm□), or V3 (N/1 cm□) and when a silicon chip shearing adhesive strength of the surface of the foam layer after 20 hours at each of the different temperatures (−40° C., 23° C., or 125° C.) is represented by H1 (N/1 cm□), H2 (N/1 cm□), or H3 (N/1 cm□), relationships of V1

    RESIN FOAM AND FOAM MATERIAL
    6.
    发明申请
    RESIN FOAM AND FOAM MATERIAL 审中-公开
    树脂泡沫和泡沫材料

    公开(公告)号：US20150118481A1

    公开(公告)日：2015-04-30

    申请号：US14403370

    申请日：2013-06-05

    Applicant: NITTO DENKO CORPORATION

    Inventor： Kiyoaki Kodama ,  Makoto Saitou ,  Itsuhiro Hatanaka ,  Kazumichi Kato

    IPC: C08J9/12 ,  C08J9/00 ,  C09J7/02

    CPC classification number: C08J9/122 ,  C08J9/0028 ,  C08J9/0061 ,  C08J9/0066 ,  C08J2201/03 ,  C08J2203/08 ,  C08J2323/16 ,  C08J2423/12 ,  C09J7/26 ,  C09J2203/318 ,  C09J2423/006 ,  C09J2423/106 ,  C09J2423/166 ,  C09J2433/00 ,  Y10T428/249983

    Abstract: The present invention has the object of providing a resin foam and a foam material that exhibits superior dust resistance characteristics in a dynamic environment at the same time as having excellent light shielding characteristics, and is a resin foam having a repulsive force during an 80% compression at 23 degrees C. of 0.1 to 5.0 N/cm2, a surface coverage rate of a foam surface of at least 50%, and a thickness recovery rate as defined below of at least 50%, the thickness recovery rate is defined as the ratio to an initial thickness of the thickness one second after release of a compressed state that is obtained by releasing a compressed state after compressing resin foam for one minute to a thickness of 20% relative to the initial thickness.

    Abstract translation: 本发明的目的是提供一种树脂发泡体和泡沫材料，其在动态环境中具有优异的遮光特性的同时具有优异的防尘特性，并且是在80％压缩期间具有排斥力的树脂发泡体 在23℃下为0.1〜5.0N / cm 2，泡沫表面的表面覆盖率为至少50％，厚度回收率如下定义为至少50％，厚度回收率定义为 在将树脂发泡体压缩1分钟后释放压缩状态而获得的压缩状态释放后的厚度的初始厚度相对于初始厚度为20％。

    FOAM WATERPROOFING MATERIAL WITH A MICRO CELL STRUCTURE
    7.
    发明申请
    FOAM WATERPROOFING MATERIAL WITH A MICRO CELL STRUCTURE 审中-公开
    泡沫防水材料与微细胞结构

    公开(公告)号：US20140011902A1

    公开(公告)日：2014-01-09

    申请号：US13933823

    申请日：2013-07-02

    Applicant: NITTO DENKO CORPORATION

    Inventor： Hiroki Fujii ,  Kazumichi Kato ,  Itsuhiro Hatanaka

    IPC: C08L23/12

    CPC classification number: C08L23/12 ,  C08J9/122 ,  C08J2203/08 ,  C09J7/26 ,  C09J2433/00 ,  Y10T428/249976 ,  Y10T428/249978 ,  Y10T428/249979 ,  Y10T428/24998 ,  Y10T428/28 ,  Y10T428/2891

    Abstract: To be provided is a foam waterproofing material superior in waterproofness and flexible enough to be compatible with further minute clearance.The foam waterproofing material according to the present invention is a waterproofing material including a foam having a thickness of 0.1 to 1.0 mm, characterized in that the foam has a micro cell structure with an average cell diameter of 10 to 60 μm and an apparent density of 0.01 to 0.060 g/cm3. In the foam waterproofing material, the repulsive load when compressed to 0.1 mm (0.1 mm-compressive repulsion force) of the foam is preferably 0.01 to 0.1 MPa. The foam preferably has a closed-cell structure or a semi-open- and semi-closed-cell structure. In addition, the foam may have a pressure-sensitive adhesive layer on one or both faces thereof. The pressure-sensitive adhesive layer is preferably formed on the foam via a film layer.

    Abstract translation: 要提供的是防水性优异且足够灵活以适应进一步微小间隙的泡沫防水材料。 根据本发明的泡沫防水材料是包括厚度为0.1至1.0mm的泡沫的防水材料，其特征在于，泡沫具有平均泡孔直径为10至60μm的微孔结构，并且表观密度 0.01〜0.060g / cm 3。 在泡沫防水材料中，当压缩至泡沫的0.1mm（0.1mm压缩斥力）时的排斥载荷优选为0.01〜0.1MPa。 泡沫优选具有闭孔结构或半开放和半闭孔结构。 此外，泡沫体可以在其一面或两面上具有压敏粘合剂层。 压敏粘合剂层优选通过膜层形成在泡沫上。

    RESIN FOAM AND FOAM MATERIAL
    9.
    发明申请
    RESIN FOAM AND FOAM MATERIAL 审中-公开
    树脂泡沫和泡沫材料

    公开(公告)号：US20150218422A1

    公开(公告)日：2015-08-06

    申请号：US14403822

    申请日：2013-05-21

    Applicant: NITTO DENKO CORPORATION

    Inventor： Kazumichi Kato ,  Makoto Saitou ,  Itsuhiro Hatanaka ,  Kiyoaki Kodama

    IPC: C09J7/02 ,  C09J133/00 ,  C08J9/12

    CPC classification number: C09J133/00 ,  C08J9/0066 ,  C08J9/122 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2367/02 ,  C08J2367/03 ,  C09J7/26 ,  C09J2201/622 ,  C09J2433/00 ,  C09J2467/006 ,  Y10T428/28 ,  Y10T428/2891

    Abstract: A resin foam having a repulsive stress when compressed by 80% of 1.0 to 9.0 N/cm2, a maximum breaking strength of 1.0 to 10.0 MPa, and a ratio of the maximum breaking strength to a breaking strength in a direction orthogonal to a maximum breaking strength direction (maximum breaking strength/breaking strength in the direction orthogonal to the maximum breaking strength direction) of 1.0 to 5.0. The maximum breaking strength is defined as: a resin foam in a sheet form is measured for a breaking strength in an arbitrary direction in the horizontal direction of the sheet; next, the arbitrary direction is rotated about an axis by 10° intervals to measure a breaking strength in each direction; a direction where the highest breaking strength is measured is defined as the maximum breaking strength direction; and a breaking strength in the maximum breaking strength direction is defined as the maximum breaking strength.

    Abstract translation: 当以1.0〜9.0N / cm2的80％，最大断裂强度为1.0〜10.0MPa，与最大断裂正交的方向的最大断裂强度与断裂强度的比例为80％时，具有排斥应力的树脂发泡体 强度方向（与最大断裂强度方向正交的方向的最大断裂强度/断裂强度）为1.0〜5.0。 最大断裂强度定义为：在片材的水平方向上测量片状的树脂发泡体的任意方向的断裂强度; 接下来，任意方向围绕轴线旋转10°间隔以测量每个方向上的断裂强度; 测定最高断裂强度的方向被定义为最大断裂强度方向; 将最大断裂强度方向的断裂强度定义为最大断裂强度。

    RESIN FOAM AND FOAM SEALING MATERIAL
    10.
    发明申请
    RESIN FOAM AND FOAM SEALING MATERIAL 审中-公开
    树脂泡沫和泡沫密封材料

    公开(公告)号：US20150099112A1

    公开(公告)日：2015-04-09

    申请号：US14382170

    申请日：2013-12-18

    Applicant: NITTO DENKO CORPORATION

    Inventor： Makoto Saitou ,  Kazumichi Kato ,  Kiyoaki Kodama ,  Naohiro Kato

    IPC: C09J7/02 ,  C09J167/03 ,  C08J9/12

    CPC classification number: C09J167/03 ,  C08J9/122 ,  C08J2201/03 ,  C08J2201/032 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2205/044 ,  C08J2367/02 ,  C08J2367/03 ,  C09J7/26 ,  C09J2433/00 ,  C09J2453/00 ,  C09J2467/006 ,  C09K3/10 ,  C09K2200/0655 ,  G02F2201/503 ,  Y10T428/28 ,  Y10T428/2848 ,  Y10T428/2891

    Abstract: There is provided a resin foam excellent in deformation recovery performance after compressive deformation. The resin foam of the present invention has a stress retention to be defined below of not less than 70%: stress retention (%)=(compressive stress after 60 seconds)/(compressive stress after 0 seconds)×100 wherein a resin foam in a sheet form having a thickness of 1.0 mm is compressed in the thickness direction so that the resin foam has a thickness of 20% of the initial thickness, and the compression state is held; and the compressive stress immediately after compression is defined as “compressive stress after 0 seconds,” and the compressive stress 60 seconds after holding the compression state is defined as “compressive stress after 60 seconds.”

    Abstract translation: 提供了压缩变形后的变形恢复性能优异的树脂发泡体。 本发明的树脂发泡体的应力保持率定义为70％以下：应力保持率（％）=（60秒后的压缩应力）/（0秒后的压缩应力）×100，其中，树脂发泡体 厚度为1.0mm的片材在厚度方向上被压缩，使得树脂发泡体的厚度为初始厚度的20％，并且保持压缩状态; 将压缩后的压缩应力定义为“0秒后的压缩应力”，将压缩状态保持60秒后的压缩应力定义为“60秒后的压缩应力”。

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