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公开(公告)号:US4190492A
公开(公告)日:1980-02-26
申请号:US862845
申请日:1977-12-21
申请人: Lewis W. Eckert , Olivia D. Stewart
发明人: Lewis W. Eckert , Olivia D. Stewart
CPC分类号: C04B26/285 , C04B18/022 , C04B18/167 , D21H17/69 , Y02W30/95 , Y02W30/97 , Y10S162/09
摘要: An improved method for producing acoustical fiberboard, which method comprises adding agglomerate articles formed from an aqueous composition comprising fiberboard dust, a glactomannan gum or glactomannan gum derivative, and a crosslinking agent to an aqueous fiberboard slurry, is disclosed. The resulting acoustical fiberboard exhibits excellent sound absorption.
摘要翻译: 一种改进的声学纤维板的制造方法,该方法包括将包含纤维素纸粉,玻璃甘露聚糖胶或聚乳甘露聚糖胶衍生物的水性组合物和交联剂形成的附聚物制品添加到水性纤维板浆料中。 所得的声学纤维板具有优异的吸音性。