| abstract |
The invention discloses modified calcium carbonate, which comprises the following raw materials: calcium carbonate, high-molecular resin, a grinding aid, an aluminate coupling agent, a maleic anhydride grafting compatilizer, acetyl tributyl citrate, tribasic lead sulfate, ammonium citrate, sodium acetate, cinnamic acid, barium sulfate, magnesium aluminum silicate and antimony trioxide. The modified calcium carbonate is prepared by the steps of crushing, grinding, drying, modifying and the like. The product of the invention is oleophylic and hydrophobic after being modified, has good compatibility with plastics and strong heat resistance, and has wide application value and market prospect. |