公开(公告)号：US4830843A

公开(公告)日：1989-05-16

申请号：US4215

申请日：1987-01-05

申请人： Kiochi Usui ,  Teiji Sato ,  Masanori Tanaka ,  Noriyuki Takahashi

发明人： Kiochi Usui ,  Teiji Sato ,  Masanori Tanaka ,  Noriyuki Takahashi

IPC分类号： A61K8/25 ,  A61Q19/00 ,  B01F17/00 ,  C01B33/22 ,  C02F1/28 ,  C11D3/12 ,  D21H17/68

CPC分类号： A61K8/25 ,  A61Q19/00 ,  B01F17/0007 ,  C01B33/22 ,  C02F1/281 ,  C11D3/1253 ,  D21H17/68

摘要： A synthetic lamellar magnesium phyllosilicate has as the main component a composition represented by the following formula:Mg.sub.3 Si.sub.4 O.sub.10 (OH).sub.2.nH.sub.2 O (1)wherein n is a number of up to 5, and has X-ray diffraction peaks at spacings of 4.5-4.6 .ANG., 2.5-2.6 .ANG. and 1.5-1.6 .ANG., wherein the lamination asymmetry index (Is) defined by the following formula:Is=tan .theta..sub.2 /tan .theta..sub.1 (2)wherein.theta..sub.1 stands for the angle formed by the peak perpendicular and the peak tangent on the small diffraction angle side in said X-ray diffraction peak at a spacing of 4.5-4.6 .ANG., and.theta..sub.2 stands for the angle formed by the peak perpendicular and the peak tangent on the large diffraction angle side in said X-ray diffraction peak,is at least 3.0, the BET specific surface area is at least 300 m.sup.2 /g and the Methylene Blue decolorizing power (JIS K-1470) is at least 100 ml/g. This synthetic lamellar magnesium phyllosilicate is prepared by a process comprising subjecting active silicic acid or active aluminosilicic acid and an oxide or hydroxide of magnesium or a compound capable of forming said oxide or hydroxide under reaction conditions to a hydrothermal treatment.

摘要翻译： 合成层状镁页硅酸盐作为主要组分，由下式表示的组成：Mg 3 Si 4 O 10（OH）2·nH 2 O（1）其中n是多至5个数，并且在间隔为4.5的情况下具有X射线衍射峰， 4.6 ANGSTROM，2.5-2.6 ANGSTROM和1.5-1.6 ANGSTROM，其中由下式定义的层压不对称指数（Is）：Is =tanθ2 /tanθ1（2）其中theta 1表示由峰形成的角度 垂直和在所述X射线衍射峰中的小衍射角侧的峰值切线，间隔为4.5-4.6安培角，θ2表示在大衍射角侧的峰垂直和峰切线形成的角度 所述X射线衍射峰为至少3.0，BET比表面积为至少300m 2 / g，亚甲基蓝脱色力（JIS K-1470）为至少100ml / g。 这种合成层状镁页硅酸盐通过包括在反应条件下进行水热处理的活性硅酸或活性铝硅酸和镁的氧化物或氢氧化物或能够形成所述氧化物或氢氧化物的化合物的方法制备。