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    Buffer material and sealing material
    33.
    发明专利
    Buffer material and sealing material 有权
    缓冲材料和密封材料

    公开(公告)号：JP2014181296A

    公开(公告)日：2014-09-29

    申请号：JP2013057148

    申请日：2013-03-19

    Applicant: Nitto Denko Corp ,  日東電工株式会社

    Inventor： HIRAI BUNTA ,  IWASE TAKAYUKI

    IPC: C08J9/04 ,  B32B5/18 ,  B32B7/02 ,  B32B25/14 ,  C08J9/36 ,  C09K3/10

    CPC classification number: C08L23/16 ,  C08J9/0023 ,  C08J9/0028 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2323/16 ,  C09J7/26 ,  C09J2409/006 ,  Y10T428/249983

    Abstract: PROBLEM TO BE SOLVED: To provide a buffer material that has excellent impact absorption and is capable of suppressing corrosion, and a sealing material.SOLUTION: A buffer material is obtained by foaming a rubber composition containing an EPDM. In the buffer material, the content ratio of a sulfur atom calculated based on the measurement result of a fluorescent X-ray measurement, based on mass, is 1000 ppm or less, and a 50% compressive load value CL1 is 0.1 N/cmor more and 2 N/cmor less, and the buffer material has a stress relaxation rate in a compressed state of 50% after 10 seconds of 60% or more. A sealing material 1 includes a buffer material 2 and an adhesive layer 3 provided on one face or both faces thereof.

    Abstract translation: 要解决的问题：提供具有优异的冲击吸收性并且能够抑制腐蚀的缓冲材料和密封材料。解决方案：通过使含有EPDM的橡胶组合物发泡来获得缓冲材料。 在缓冲材料中，基于质量，基于荧光X射线测量的测量结果计算出的硫原子的含量比为1000ppm以下，50％压缩载荷值CL1为0.1N / cm以上 和2N / cm以下，缓冲材料在10秒以上的压缩状态下具有50％的应力松弛率为60％以上。 密封材料1包括缓冲材料2和设置在其一个面或两个面上的粘合剂层3。

    Foam laminate
    34.
    发明专利
    Foam laminate 审中-公开
    泡沫层压板

    公开(公告)号：JP2014180816A

    公开(公告)日：2014-09-29

    申请号：JP2013057144

    申请日：2013-03-19

    Applicant: Nitto Denko Corp ,  日東電工株式会社

    Inventor： FUKUDA YUKI ,  IWASE TAKAYUKI ,  IGARASHI KENJI

    IPC: B32B5/18 ,  C08J9/00

    CPC classification number: C08J9/0023 ,  C08J9/0028 ,  C08J9/0033 ,  C08J9/103 ,  C08J9/365 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2205/06 ,  C08J2207/02 ,  C08J2300/26 ,  C08J2323/16 ,  C09J7/26 ,  C09J2201/622

    Abstract: PROBLEM TO BE SOLVED: To provide a foam laminate that has excellent water cut-off performance, enables temporary fixing, and can reduce contamination of members.SOLUTION: A foam laminate 1 is provided with: a foam layer 2 that is formed of a resin foam; and an adhesive layer 4 that is laminated on at least one surface of the foam layer 2. The adhesive layer 4 has a shear storage modulus at 25°C of 1.5×10Pa or more, a 50% compression load of 0.40 N/cmor less, and a compression rate thereof at which water is stoppable after 24 hours in U-shaped water stopping test is 60% or less.

    Abstract translation: 要解决的问题：提供一种具有优异的防水性能的泡沫层压板，能够临时固定，并且可以减少构件的污染。解决方案：泡沫层压体1设置有：由树脂形成的泡沫层2 泡沫; 以及层叠在泡沫层2的至少一个表面上的粘合层4.粘合剂层4在25℃下的剪切储能模量为1.5×10Pa以上，压缩载荷为50N / cm以下的50％ ，在U型停水试验中在24小时后能够停止水的压缩率为60％以下。

    Resin foam and foam seal material
    40.
    发明专利
    Resin foam and foam seal material 审中-公开
    树脂泡沫和泡沫密封材料

    公开(公告)号：JP2014015605A

    公开(公告)日：2014-01-30

    申请号：JP2013121653

    申请日：2013-06-10

    Applicant: Nitto Denko Corp ,  日東電工株式会社

    Inventor： SAITO MAKOTO ,  HATANAKA TOSHIHIRO ,  KATO KAZUMICHI ,  KODAMA KIYOAKI

    IPC: C08J9/12 ,  C09K3/10

    CPC classification number: B32B5/18 ,  B32B27/00 ,  C08J9/122 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2205/044 ,  C08J2205/06 ,  C08J2300/22 ,  C08J2300/26 ,  C08J2323/12 ,  C08J2323/16 ,  C08J2400/22 ,  C08J2400/26 ,  C08J2423/12 ,  C08J2423/16 ,  C09J7/26 ,  C09J2433/00

    Abstract: PROBLEM TO BE SOLVED: To provide a resin foam and a seal material that achieve satisfactory and rapid recovery of a recess, and that can provide an acoustic insulation property of acoustic absorption and/or sound insulation or the like.SOLUTION: In a resin foam, a thickness recovery ratio at 23°C defined as follows is at least 50%, and a foam inside outside differential pressure at 23°C defined as follows is at least 1.0 kPa. Thickness recovery ratio: a resin foam is compressed for one minute to have 20% of a thickness to an initial thickness, then a compressed state is released, the thickness recovery ratio is a ratio of a thickness after one minute of the release compressed state to the initial thickness; foam inside outside differential pressure: a pressure differential of inside and outside spaces is separated through an end face of the foam body when the resin foam is compressed to have 40% of a thickness to an initial thickness.

    Abstract translation: 要解决的问题：提供一种树脂发泡体和密封材料，其实现令人满意且快速地恢复凹部，并且可以提供声学吸收和/或隔音等的隔音性能。解决方案：在树脂泡沫 如下定义的23℃下的厚度恢复率为至少50％，并且如下定义的在23℃下的外部压差内的泡沫体至少为1.0kPa。 厚度回收率：将树脂发泡体压缩1分钟至初始厚度的20％，然后释放压缩状态，厚度回收率为脱模压缩状态1分钟后的厚度与比例 初始厚度; 外部压差内的泡沫：当树脂泡沫被压缩至具有初始厚度的40％时，内部和外部空间的压差通过泡沫体的端面分离。

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