▎ 摘　　要

NOVELTY - A graphene oxide modified cement grinding aid comprises 35-55 mass% polymeric polyol, 2-5 mass% acrylate, 3-6 mass% amino-polyethylene glycol, 1-3 mass% tetraisopropyl titanate, 3-8 mass% polycarboxylic, 1-2 mass% sodium dodecyl benzene sulfonate, 1-2 mass% fatty alcohol polyethenoxy ether sodium sulfate, 5-10 mass% triethanolamine, 5-10 mass% triisopropanolamine, 1-5 mass% graphene oxide solution, and balanced industrial wastewater. USE - Graphene oxide modified cement grinding aid. ADVANTAGE - The grinding aid improves grinding efficiency, has larger specific surface area and excellent adaptability. It also effectively uses industrial waste water and is environment-friendly and pollution-free. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method of the cement grinding aid which comprises subjecting polymeric polyol, acrylate and amino polyethylene glycol into water bath heating at 70-100 degrees C, adding tetraisopropyl titanate, stirring for 10-20 minutes, ultrasonically dispersing for 10-20 minutes, and reacting 1-3 hours; maintaining water bath temperature at 70-100 degrees C, adding industrial waste water, and uniformly mixing; orderly adding sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether sodium sulfate, triethanolamine, triisopropanolamine and polycarboxylate, and stirring to completely dissolve; and adding graphene oxide solution, water bath heating to 60-90 degrees C, ultrasonically dispersing for 10-30 minutes, standing for 10-24 hours to obtain cement grinding aid.