ETHYLENE-PROPYLENE-DIENE RUBBER FOAM AND SEALING MATERIAL

申请公布号：EP2759568(A4)

申请号：EP20120834469

申请日期：2012.09.18

申请公布日期：2015.05.27

申请人：

NITTO DENKO CORPORATION

发明人：IWASE, TAKAYUKI;KAWATA, JOJI

分类号：C08J9/04;B32B5/18;B32B27/00;C08J9/00;C08J9/10;C08K5/14;C08K5/33;C08L23/16;C08L71/02;C09K3/10;G10K11/16;G10K11/162

主分类号：C08J9/04

摘要：<p>An ethylene-propylene-diene rubber foamed material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. The ethylene-propylene-diene rubber foamed material has a permanent compression set obtained by being compressed by 50 % at 80°C for 22 hours to be then released at 23°C after the elapse of 24 hours of 30 % or less. 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.</p>

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