公开(公告)号：US5820975A

公开(公告)日：1998-10-13

申请号：US725680

申请日：1996-10-02

申请人： Katsutoshi Oda ,  Toshiyuki Suzuki ,  Masao Imanishi ,  Akira Kaneko ,  Kenji Ito ,  Yasutaka Nakamura

发明人： Katsutoshi Oda ,  Toshiyuki Suzuki ,  Masao Imanishi ,  Akira Kaneko ,  Kenji Ito ,  Yasutaka Nakamura

IPC分类号： E04B1/86 ,  B32B5/18 ,  B32B5/22 ,  E04B1/74 ,  E04B1/82 ,  E04B1/84 ,  G10K11/16 ,  G10K11/162 ,  B32B7/02

CPC分类号： B32B5/22 ,  E04B1/82 ,  E04B2001/742 ,  E04B2001/8461 ,  Y10T428/249953 ,  Y10T428/249955 ,  Y10T428/249956 ,  Y10T428/249981 ,  Y10T428/249982 ,  Y10T428/249985 ,  Y10T428/249987 ,  Y10T428/25 ,  Y10T428/26

摘要： A sound absorbing material which comprises a base layer 1 having a porosity of 5 to 50% by volume and a decorative layer 3 having a porosity of 5 to 50% by volume integrally, and which is obtained by sprinkling inorganic particles 4 containing colored particles in an amount of at least 1% by volume which are coated with a weather-resistant transparent resin so as to form a first particle layer which is to form the decorative layer 3 in the sound absorbing material, sprinkling uncolored inorganic lightweight particles 2 which are coated with a thermosetting resin on the first particle layer so as to form a second particle layer which is to form the base layer 1 in the sound absorbing material, and carrying out thermal compression integral molding of the first particle layer and the second particle layer simultaneously, is lightweight and inexpensive, and is provided with an attractive external stone-grain-like appearance, without impairing the sound absorbing ability of the material. In addition, by placing a reinforcing layer material on the top surface, bottom surface, or both surfaces of the second particle layer, and carrying out thermal compression integral molding of the first particle layer, the second particle layer, and the reinforcing layer material(s) simultaneously, it is possible to provide a sound absorbing material which is provided with rigidity to enable the material to be free-standing, without impairing the above advantages and the sound absorbing ability of the material.

摘要翻译： 一种吸音材料，其特征在于，其具有孔体积为5〜50体积％的基材1和整体为5〜50体积％的孔隙率的装饰层3，通过将含有着色颗粒的无机粒子4喷洒而得到 涂覆有耐候性透明树脂的至少1体积％的量，以形成在吸音材料中形成装饰层3的第一颗粒层，喷涂涂覆的未着色的无机轻质颗粒2 在第一颗粒层上具有热固性树脂，以形成在吸音材料中形成基底层1的第二颗粒层，同时进行第一颗粒层和第二颗粒层的热压缩一体成型， 重量轻，价格便宜，并且具有吸引力的外部石纹状外观，而不损害材料的吸音能力。 此外，通过在第二颗粒层的顶表面，底面或两个表面上放置增强层材料，并且进行第一颗粒层，第二颗粒层和增强层材料的热压整体成型 同时，可以提供具有刚性的吸声材料，以使材料能够自立，而不会损害材料的上述优点和吸声能力。