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1. 发明申请

US20060148919A1 Impact-absorbing members for dynamic impact applications 有权
标题翻译：用于动态冲击应用的冲击吸收件
公开(公告)号：US20060148919A1
公开(公告)日：2006-07-06
申请号：US11272217
申请日：2005-11-10
申请人： Myron Maurer , Steven Swartzmiller , Gavin Vogel , Andrew Paquet , Chau Vo , Charles Berglund
发明人： Myron Maurer , Steven Swartzmiller , Gavin Vogel , Andrew Paquet , Chau Vo , Charles Berglund
IPC分类号： C08L75/00
CPC分类号： C08G18/092 , B60R21/04 , C08G2101/0008 , C08G2101/005 , C08G2101/0083 , C08G2350/00 , F16F1/37 , F16F2226/00
摘要： Cushions for dynamic impact applications include anisotropic cellular polymers made in an extrusion, expanded bead or reactive foaming process. The anisotropic behavior represented by CE/CT, CV/CT and CH/CT, wherein CE, CV and CH represent the compressive strength of the cellular polymer in each of three orthogonal directions E, V and H, respectively, as measured by compressing a 25-50 mm thick sample of the cellular polymer at a strain rate of 0.08 s−1 to 25% strain, CT represents the sum of CE, CV and CH, and at least one of CE/CT, CV/CT and CH/CT has a value of at least 0.40, up to about 0.80. The cellular polymer also preferably has density of 1.75 to 2.35 pounds/cubic foot and a compressive stress in the direction of maximum compressive strength of 290-600 kPa at 25% strain when used for headliner countermeasure applications. The cushions are useful in automotive applications such as automotive headliners, door panels, knee bolsters, pillars, headrests, seat backs, load floors or instrument panels.
摘要翻译：用于动态冲击应用的靠垫包括在挤出，膨胀珠或反应性发泡过程中制成的各向异性多孔聚合物。由C / C，C，C，C，C和C H表示的各向异性行为其中C C，C V和C H H表示抗压强度分别在三个正交方向E，V和H中的每一个中的多孔聚合物，其通过将应变速率为0.08s -1至25的25-50mm厚的多孔聚合物样品压缩至25 ％应变，C 表示C H，C H和C H H的总和，以及至少一个 C / C，C，C，C，C，C，C， / C 具有至少0.40，至多约0.80的值。细胞聚合物还优选具有1.75至2.35磅/立方英尺的密度，并且当用于顶篷对策应用时，在25％应变下的最大抗压强度方向上的压缩应力为290-600kPa。垫子在诸如汽车头饰，门板，膝垫，支柱，头枕，座椅靠背，装载地板或仪表板等汽车应用中是有用的。

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