发明名称 |
ACIDO SILICICO PRECIPITATO CONTENENTE BORO E PROCEDIMENTO PER LA SUA PREPARAZIONE |
摘要 |
<p>There is prepared precipitated silica containing boron and having the following physical-chemical data -Loss on heating Weight % 14-40 -pH 4-6 -Conductivity in 4% aqueous / mu S <800 -dispersion -Bulk density g/l 130 +/- 100 -Sieve residue according to -Alpine >63/ mu Weight % <0.1 -SiO2 content based on original Weight % 9-76 -material -B2O3 content based on original Weight % 10-51 -material -Na2O content based on original Weight % <0.5 -material -So3 content based on original Weight % <0.8 -material - The product is obtained by supplying precipitated silica and ortho boric acid in the ratio of 0.1-3.5:1 continuously to a jet mill and micronizing them together by means of the air of the mill at room temperature.</p> |
申请公布号 |
IT1120972(B) |
申请公布日期 |
1986.03.26 |
申请号 |
IT19790068115 |
申请日期 |
1979.05.24 |
申请人 |
DEUTSCHE GOLD UND SILBER SCHEIDEANSTALT VORMALS ROESSLER |
发明人 |
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分类号 |
C08K3/00;A01N59/14;C01B33/18;C08K3/34;C08K3/36;C08K3/38;C08L83/00;C08L83/04;C09C1/30;(IPC1-7):C01B/ |
主分类号 |
C08K3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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