▎ 摘　　要

NOVELTY - The preparation of flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating material, involves (S1) taking butyl titanate and acetic acid and mixing, transferring to reaction kettle, heating, washing with deionized water and absolute ethanol, drying, heating in muffle furnace, heat-preserving, and cooling to obtain flower-shaped titanium dioxide photocatalyst which is product (A), (S2) taking graphene and mixing with absolute ethanol, and ultrasonically dispersing to obtain graphene dispersion, adding product (A) to graphene dispersion, stirring, ultrasonically dispersing, drying, calcining the dried mixture, and cooling to obtain flower-shaped titanium dioxide/graphene composite photocatalytic material, which is product (B), (S3) selecting one of the products (A) or products (B) and mixing with fluoroboron modified acrylic acid resin to obtain mixture of flower-shaped titanium dioxide photocatalyst and self-polishing resin. USE - Preparation of flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating material used for flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating (claimed) for use in complex marine environment. ADVANTAGE - The method enables preparing composite coatings utilizing the photocatalytic properties of flower-shaped titanium dioxide photocatalysts to generate reactive oxygen species to inhibit the adhesion of fouling organisms, and is environmentally-friendly, non-toxic, and simple and convenient to use. The graphene-modified flower-like titanium dioxide greatly improves the photoresponse range and catalytic activity of titanium dioxide. DETAILED DESCRIPTION - The preparation of flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating material, involves (S1) taking butyl titanate and acetic acid and mixing thoroughly, transferring the mixture to reaction kettle and heating to fully react, washing the product with deionized water and absolute ethanol, drying, heating the dried product in muffle furnace, heat-preserving, and cooling to room temperature to obtain flower-shaped titanium dioxide photocatalyst which is product (A), (S2) taking graphene and mixing with absolute ethanol, and ultrasonically dispersing to obtain graphene dispersion, adding product (A) to graphene dispersion, stirring, ultrasonically dispersing, and drying the mixture solution, calcining the dried mixture in tube furnace, and cooling to room temperature to obtain flower-shaped titanium dioxide/graphene composite photocatalytic material, which is product (B), (S3) selecting one of the products (A) or products (B) and mixing with fluoroboron modified acrylic acid resin to obtain mixture of flower-shaped titanium dioxide photocatalyst and self-polishing resin, which is flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating material. An INDEPENDENT CLAIM is included for preparation method of flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating, which involves spin-coating flower-shaped titanium dioxide photocatalytic self-polishing resin-based composite coating material on substrate at 300-700 rpm, preparing sample sheet on top, and drying prepared sample sheet to constant weight at 20-35degreesC.