Manufacturing method of cationic starch modified calcium carbonate filler
The invention provides a manufacturing method of a cationic starch modified calcium carbonate filler. The manufacturing method comprises the following step: (1) gelatinizing cationic starch at the concentration of 2.5 percent; (2) diluting a calcium carbonate filler to the concentration of 70 percen...
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| creator | NIE XINDE SUN YAJUN AN YANLING LI CHENXIA LI XIAOLIANG WEI QINGMING ZHAO CHEN |
| description | The invention provides a manufacturing method of a cationic starch modified calcium carbonate filler. The manufacturing method comprises the following step: (1) gelatinizing cationic starch at the concentration of 2.5 percent; (2) diluting a calcium carbonate filler to the concentration of 70 percent; (3) sequentially extracting the gelatinized cationic starch and the calcium carbonate filler into a modification tank which is unceasingly stirred at the speed of 30-45r/min; (4) conducting reaction for about 20-30 min; and (5) placing the modified calcium carbonate filler into a storage tank for later use. The manufacturing method has the advantages of increasing the paper strength, improving the printing performance, lowering the consumption of wood pulp and reducing the manufacturing cost. |
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The manufacturing method comprises the following step: (1) gelatinizing cationic starch at the concentration of 2.5 percent; (2) diluting a calcium carbonate filler to the concentration of 70 percent; (3) sequentially extracting the gelatinized cationic starch and the calcium carbonate filler into a modification tank which is unceasingly stirred at the speed of 30-45r/min; (4) conducting reaction for about 20-30 min; and (5) placing the modified calcium carbonate filler into a storage tank for later use. 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| subjects | ADHESIVES CHEMISTRY DYES IMPREGNATING OR COATING OF PAPER METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION OF CARBON BLACK PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES |
| title | Manufacturing method of cationic starch modified calcium carbonate filler |
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