Preparation of polycarboxylatebased grinding aid and its ...
Portland cement clinker, gypsum and cement grinding aid (Blank, TEA and PCGA) were grinded together to a Blain surface area of about (370 ± 5) m 2 ·kg −1. The evaluation of grinding efficiency for the PCGA was carried out in term of grinding duration and particle size distribution compared to Blank (no grinding aid) and TEA samples.