50794-09-7Relevant articles and documents
A coating of anti-agent and its preparation method and application
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Paragraph 0028; 0029, (2017/05/12)
The present invention discloses an environment-friendly and excellent-performance coating material water repellent agent, which is an aqueous solution containing a multi-epoxy functional group resin, wherein the multi-epoxy functional group resin is a compound having the structure represented by a formula I. The present invention further provides a coating material water repellent agent preparation method with characteristics of easy performing, easy operation and easy control, wherein the preparation method comprises: carrying out a reaction of glycerol, concentrated sulfuric acid and epichlorohydrin for 60-90 min to obtain a first material solution, adding a strong base to the first material solution, reacting to obtain a second material solution, adjusting the pH value with an acid to 6-8, adding ammonia water to the material solution, reacting, and carrying out a post-treatment to obtain the aqueous solution containing the multi-epoxy functional group resin, wherein the aqueous solution is the coating material water repellent agent. The formula I is defined in the instruction.