▎ 摘　　要

NOVELTY - Self-repairing cement-based permeable crystalline waterproof coating comprises 35-55 wt.% Portland cement, 30-45 wt.% quartz sand, 5-8 wt.% fast-setting fast-hardening cement, 4-8 wt.% graphene modified steel slag micropowder, 1-2 wt.% calcium carbonate, 1-1.5 wt.% sodium sulfate, 1-2 wt.% core masterbatch and 1-2 wt.% thickener, where the core masterbatch is mixture of bentonite, citric acid and isobutyltriethoxysilane in a mass ratio of 100:30-40:5-10. USE - Used as self-repairing cement-based permeable crystalline waterproof coating. ADVANTAGE - The cement-based permeable crystalline waterproof coating has excellent self-repairing performance, low cost, and improved strength and anti-cracking performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing the self-repairing cement-based permeable crystalline waterproof coating; and (2) core masterbatch of the self-repairing cement-based permeable crystalline waterproof coating.