▎ 摘　　要

NOVELTY - Antibacterial, mildew-proof mill base antibacterial comprises 12-30 wt.% pigment, 10-30 wt.% styrene acrylic polymer dispersion resin, 0.1-5 wt.% gas phase silicon dioxide, 0.1-10 wt.% quantum graphene, and 40-78 wt.% deionized water. USE - Antibacterial, mildew-proof mill base antibacterial used for mildewproof paint digital direct injection ink and to cotton, hemp, cotton blending and other cloth material by direct spray printing, rubber paste screen printing and digital printing. ADVANTAGE - The antibacterial, mildewproof color paste is convenient to use direct spraying process, has high stability, antibacterial and mildew proof advantages. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: 1. a mildew-proof paint digital direct injection ink, which comprises 15-40 wt.% color paste, 1-20 wt.% polyethylene glycol, 1-20 wt.% sorbitol, 2-10 wt.% ether solvent, 5-25 wt.% waterborne polyurethane copolymer, 1-5 wt.% waterborne closed curing agent, 0.1-0.5 wt.% acid-base regulator, 1-5 wt.% acetylene glycol surfactant, 0.1-1 wt.% fluorocarbon surfactant and 20-60 wt.% water; 2. a method for preparing a mildew-proof paint digital direct injection ink, which involves: a. weighing each raw material according to weight percentage, mixing, dispersing and stirring evenly, then sending into a grinder for grinding, and then filtering to obtain the color paste; and b. weighing each raw material, dispersing and stirring evenly after mixing, carrying out color matching treatment on the mixed liquid, filtering after confirming that the color meets the requirements to obtain a mildew-proof paint digital direct injection ink, where the dispersing and stirring adopts a rotation speed of 1000-1500 rpm, and the stirring time is 30-120 minutes, and then grinding, the grinding time is 4-6 hours, and the grinding particle size is 200-500nm, uniform speed of dispersion and stirring is 800-1200 rpm, and the stirring time is 30-60 minutes, processing color, and scraping ink sample on the color card, and drying and using a color matching instrument for color matching.