Tel：+86 0311 8444 9786
E-mail：export@double-bulls.com
WhatsApp：+86 173 3117 7788
Add.：No.9 Weisi Road, Jinzhou City
economic development zone,
Shijiazhuang City,Hebei Province.
Cellulose ether can improve the uniformity of honeycomb ceramic bodies and avoid local density differences through the following ways:
Enhancing slurry suspension stability: Cellulose ether exhibits excellent suspension properties, effectively preventing the sedimentation and water bleeding of solid particles in honeycomb ceramic slurry. For instance, Max's low-viscosity cellulose ether can uniformly disperse ceramic particles in the slurry, maintaining its homogeneity, and thus avoiding local density variations in the green body caused by particle sedimentation.
Improving the rheological properties of the slurry: Cellulose ether can increase the viscosity of the slurry, ensuring good fluidity and thixotropy. During the extrusion molding process, a slurry with appropriate viscosity can better fill the mold, ensuring consistent compactness in all parts of the green body. At the same time, thixotropy enhances the fluidity of the slurry when subjected to shear forces, facilitating extrusion, while quickly restoring viscosity when at rest, maintaining the shape of the green body and avoiding deformation and uneven local density.
Controlling the rate of water evaporation: Cellulose ether exhibits excellent water retention properties, enabling it to regulate the rate of water evaporation during the drying process of honeycomb ceramic green bodies. It facilitates uniform moisture loss both inside and on the surface of the green bodies, reducing internal stress caused by rapid water loss and preventing deformation and cracking due to excessive drying, thereby ensuring the uniformity and dimensional accuracy of the green bodies.
Promoting ceramic particle rearrangement: During the sintering process, the decomposition products of cellulose ether can promote the rearrangement of ceramic particles and the formation of sintering necks. This helps to increase the density of honeycomb ceramics, making the internal structure of the ceramics more uniform and dense, reducing the number and size of pores, and thus avoiding local density differences.
Enhancing particle bonding: Cellulose ether, as an organic binder, binds ceramic particles together through intermolecular hydrogen bonding, imparting the green body with certain flexibility and formability. This uniform bonding ensures the structural integrity of the green body during molding and drying processes, avoiding local density variations caused by uneven bonding between particles.
TEL：+86 (0311) 8444 9786
Email:sales@double-bulls.com
Email:Export@double-bulls.com
Address：No.9 Weisi Road, Jinzhou City Eco-nomic Development Zone, Shijiazhuang City, Hebei Province.
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