CNA Modified cement grinding aid Google Patents
The invention relates to a modified cement grinding aid, belonging to the technical field of cement assistants. The modified cement grinding aid is prepared from the following substances in parts by weight: 2030 parts of polymerized polyalcohol, 1030 parts of ligninbased alkylol amine, 210 parts of sodium soap, 510 parts of polytetrafluoroethylene powder, 15 parts of solid aluminum ...