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    • 10. 发明授权
    • Plain surface acoustical product and coating therefor
    • 平面声产品及其涂层
    • US5874161A
    • 1999-02-23
    • US555386
    • 1995-11-09
    • James D. PapeDarryl L. Sensenig
    • James D. PapeDarryl L. Sensenig
    • B27N7/00C09D5/00C09D5/02E04B1/84E04B1/86B32B5/16
    • C09D5/028B27N7/005C09D5/00E04B1/86E04B2001/8461E04B2001/8476Y10T428/24893Y10T428/24901Y10T428/273Y10T428/277Y10T442/2139
    • This invention describes two products both with a plain, nonperforated surface visual consisting of a fiberboard substrate with or without a laminated porous nonwoven scrim and then a finished painted surface. The finish painted surface decorates or finishes the board, but most important, must remain acoustically transparent to retain the sound absorption properties of the fiberboard prior to painting. The fiberboard substrate is made to be porous or modified with hole perforations to cause it to be a good sound absorber. If the fiberboard substrate is sufficiently porous without hole perforations, then the sprayable, high solids, porous paint can be directly applied. If hole perforations are used to improve the sound absorption properties of the board substrate, then a porous, nonwoven scrim is attached and painted using the same high solids porous paint. This painted scrim must be sufficiently optically opaque to hide the hole punched board, yet sufficiently open to render it acoustically transparent. The inventions also include the paint coating alone or the paint/scrim coating alone.
    • 本发明描述了两种产品,两种产品均具有普通的非穿孔表面视觉,该纤维板基底具有或不具有叠层的多孔无纺布,然后是完成的涂漆表面。 涂漆表面装饰或完成板,但最重要的是,必须保持声学透明度,以便在涂漆之前保持纤维板的吸声性能。 将纤维板基材制成多孔的或用孔穿孔改性以使其成为良好的吸音体。 如果纤维板基材足够多孔而没有孔穿孔,则可以直接施加可喷雾的高固含量多孔涂料。 如果使用孔穿孔来改善板基材的吸声性能,则使用相同的高固体多孔涂料附着和涂漆多孔的非织造松节纱。 这种被涂的稀松布必须足够光学不透明以隐藏穿孔板,但是足够开放以使其在声学上是透明的。 本发明还包括单独的涂料涂料或单独的涂料/稀释剂涂料。