| 摘要 |
Grinding agent for aqueous suspension of coarse mineral materials intended for pigment applications, composed of an alkaline acrylic polymer and/or copolymer, with an average specific viscosity of less than 0.8, formed of a fraction of this polymer and/or copolymer isolated by means of a polar solvent, the specific viscosity of said fraction comprised between 0.3 and 0.8. |
