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    • 7. 发明授权
    • Ceramics binder mixture and binding method
    • 陶瓷粘合剂混合物和结合方法
    • US5506179A
    • 1996-04-09
    • US309887
    • 1994-09-20
    • Tomohiro MorishitaHiroshi UedaYasuhiko Endo
    • Tomohiro MorishitaHiroshi UedaYasuhiko Endo
    • C04B35/63C04B35/18C04B35/195
    • C04B35/6316
    • A ceramics binder mixture having from 4.3 to 7 parts by weight, as calculated as silica, of a silica-sol mixed to 100 parts by weight of a mixture comprising (1) from 25 to 60 parts by weight of cordierite aggregates prepared by melting and vitrifying a mixture of an approximate cordierite composition (2MgO.2Al.sub.2 O.sub.3.5%SiO.sub.2), followed by crystallization to cordierite, and having a particle size of from 0.1 to 1 mm, (2) from 6 to 17 parts by weight of a fine powder of silica having particle sizes of from 0.1 to 10 .mu.m, and (3) the rest being a powder composed mostly of cordierite particles and having particle sizes smaller than 0.1 mm, whereby the Na.sub.2 O content in the binder mixture excluding moisture is not higher than 0.3 wt %.
    • 一种陶瓷粘合剂混合物,按二氧化硅计算为4.3至7重量份,二氧化硅溶胶混合到100重量份的混合物中,所述混合物包含(1)25至60重量份的通过熔融制备的堇青石聚集体和 玻璃化近似堇青石组合物(2MgO.2Al2O3.5%SiO2)的混合物,然后结晶至堇青石,并具有0.1至1mm的粒度,(2)6至17重量份的细粉末 的粒径为0.1〜10μm的二氧化硅,(3)其余为主要由堇青石粒子组成的粉末,粒径小于0.1mm的粉末,其中不含水分的粘合剂混合物中的Na 2 O含量不高于 0.3重量%。