CORDIERITE HONEYCOMB ARTICLE AND METHOD OF MANUFACTURE
    1.
    发明申请
    CORDIERITE HONEYCOMB ARTICLE AND METHOD OF MANUFACTURE 审中-公开
    CORDIERITE HONEYCOMB制品及其制造方法

    公开(公告)号:WO2009032119A2

    公开(公告)日:2009-03-12

    申请号:PCT/US2008/010134

    申请日:2008-08-27

    Abstract: Disclosed are ceramic honeycomb articles which are composed predominately of a crystalline phase cordierite composition. The porous cordierite ceramic honeycomb articles has a plurality of cell channels and intersecting porous walls and possess a microstructure characterized by a pore size distribution wherein greater than or equal to 75% of the pore size distribution of the porosity of the porous walls, by volume, have a pore diameter (d v ) wherein d v v v90 -7 /°C from 25°C to 800°C. The articles exhibits high filtration efficiency coupled with low pressure drop across the filter. Additionally, high porosity articles having porosity greater than or equal to 40% and low surface roughness of Ra

    Abstract translation: 公开了主要由结晶相堇青石组合物组成的陶瓷蜂窝体制品。 多孔堇青石陶瓷蜂窝体制品具有多个孔道和相交的多孔壁,并且具有特征在于孔径分布的微观结构,其中多孔壁的孔隙率的孔径分布大于或等于75% 具有从25℃至800℃的dvv v90 -7 /℃的孔径(dv)。 这些物品具有高过滤效率以及过滤器上的低压降。 此外,描述了具有大于或等于40%的孔隙率和低的表面粗糙度Ra <4.0μm的高孔隙率制品。 另外,公开了一种陶瓷蜂窝制品的制造方法,其中细滑石,二氧化硅细粉源和细孔成型剂。

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