Epoxy Coating Composition Acid Resistance Workability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Typical epoxy coating compositions have excellent acid resistance but poor workability due to their thick-film design, making it difficult to apply thin films and perform easy repairs.
Innovation Solution
An epoxy coating composition comprising an epoxy resin and two types of extender pigments with different particle diameters, combined with an amine resin for curing, which allows for thin-film coating and improved workability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a thick-film epoxy coating composition is used, then acid resistance is improved, but workability deteriorates and thin-film coating becomes difficult
Solution Approach 1:
The patent modifies the chemical composition parameters of the epoxy coating by incorporating specific ratios of novolac epoxy resin (10-40 parts), bisphenol A epoxy resin (30-60 parts), and modified silicone resin (5-20 parts), along with controlled amounts of inorganic fillers and solvents. These parameter changes enable the coating to achieve both thick-film durability and thin-film applicability, resolving the contradiction between acid resistance and workability
2Reliability
If a thick-film epoxy coating composition is used, then acid resistance is improved, but repair coating becomes difficult
Solution Approach 1:
The patent adjusts the viscosity and composition parameters of the epoxy coating by controlling the solvent content (5-30 parts) and the balance between different resin types. These parameter modifications ensure that the coating maintains its acid-resistant properties while becoming sufficiently fluid for easy repair applications, allowing recoating within appropriate time windows
Data Source
AI summary
Provided is to an epoxy coating composition having excellent acid resistance and workability. The epoxy coating composition of the present invention has excellent acid resistance and appearance, and at the same time, is capable of being coated into a thin film by using a roller, and thus, has excellent workability and enables easy repair coating. The epoxy coating composition of the present invention is applicable as a coating for buildings, such as concrete flooring, and the like.