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公开(公告)号:US4734323A
公开(公告)日:1988-03-29
申请号:US36865
申请日:1987-04-09
CPC分类号: B60R13/0815 , B60R13/083 , Y10T428/249983 , Y10T428/249985 , Y10T428/24999 , Y10T428/249992 , Y10T428/31924
摘要: This invention is directed to a vibration damping soundproof sheet for use in vehicles, in which the surface of the soundproof layer is made flat irrespective of the or uneven configuration at the surface of a vehicle. The soundproof layer-forming material comprises a formed rubber blend in which a foaming agent and other rubber blending agents are blended with a rubber type polymer in which the soundproof layer-forming material contains from 15 to 85% by weight of 1,2-polybutadiene ingredient.
摘要翻译: 本发明涉及一种用于车辆的防振隔音片,其中隔音层的表面被制成平坦的,而与车辆表面的不均匀或不均匀的构造无关。 隔音层形成材料包括形成的橡胶共混物,其中发泡剂和其它橡胶共混剂与其中隔音层形成材料含有15至85重量%的1,2-聚丁二烯的橡胶类聚合物共混 成分。