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41. 发明授权

US5858521A Vibration damper material comprising a vicso elastic layer of unvulcanized rubber 失效
标题翻译：振动阻尼材料包括未硫化橡胶的粘弹性层
公开(公告)号：US5858521A
公开(公告)日：1999-01-12
申请号：US478106
申请日：1995-06-07
申请人： Takuya Okuda , Toshio Sugizaki , Masao Kogure , Takanori Saitoh
发明人： Takuya Okuda , Toshio Sugizaki , Masao Kogure , Takanori Saitoh
IPC分类号： B32B7/12 , B32B25/04 , C09J4/00 , C09J7/02 , B32B11/00
CPC分类号： B32B25/04 , Y10T428/27 , Y10T428/31815 , Y10T428/31826 , Y10T428/8305
摘要： The vibration damper material comprises a laminate of a viscoelastic layer and a hardenable pressure sensitive adhesive layer, and a release liner applied onto the hardenable pressure sensitive adhesive layer. The viscoelastic layer is intended to form a vibration damping layer, and contains a viscoelastic material mainly comprised of unvulcanized rubber to which a vulcanizing agent (crosslinking agent) has been added. The hardenable pressure sensitive adhesive layer comprises a hardenable pressure sensitive adhesive which has adhesive properties in the uncured state but has a strong adhesive strength when it is cured by heating, irradiation with light or by being blocked from air for example. This hardenable pressure sensitive adhesive layer contains a sticking polymer, a reactive oligomer and a polymerization initiator. The release liner which is utilized has a silicone layer formed on the surface of a base material thereof. This vibration damper material has an excellent ability to follow curved surfaces, a reliable adhesivity, and provides a high degree of vibration damping property without impairing the efficiency in the operation in which the vibration damper material is applied onto an adherend.
摘要翻译：振动阻尼材料包括粘弹性层和可硬化压敏粘合剂层的层压体，以及施加到可硬化压敏粘合剂层上的剥离衬垫。粘弹性层旨在形成振动阻尼层，并且包含主要由未加硫化剂（交联剂）的未硫化橡胶组成的粘弹性材料。可硬化的压敏粘合剂层包括可硬化的压敏粘合剂，其在未固化状态下具有粘合性，但是当通过加热固化，照射光或被空气阻挡时具有强的粘合强度。该可硬化压敏粘合剂层含有粘着性聚合物，反应性低聚物和聚合引发剂。使用的剥离衬垫具有形成在其基材的表面上的硅氧烷层。该振动阻尼材料具有优异的跟随曲面的能力，可靠的粘合性，并且提供高的振动阻尼性，而不会降低将阻尼材料施加到被粘物上的操作的效率。

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