Antibacterium paint and preparation method thereof
A paint and substrate technology, applied in the field of materials science, can solve the problems of increasing product cost, difficulty in popularization and application, and limited application range, etc., and achieves the effects of low equipment requirements, controllable production cost, and simple preparation process
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[0033] Example 1
[0034] The polyaniline powder doped with p-toluenesulfonic acid is ground and passed through a 100-300 mesh standard sieve for use. Adopt two-component acrylic polyurethane car topcoat as the matrix, A component is a resin mixture, and B component is an organic solvent diluent. Add the prepared polyaniline to the paint component A, the addition ratio can be 0.1-1.0% according to the requirements of the product's antibacterial performance, and then add the B component, the addition ratio is 0.2-1.0L / Kg. Put the above mixture on a ball mill for 6-12 hours to make a finished product. It can be sprayed directly and baked at 50-60℃. The concentration of component B can be adjusted during construction. by Picture 9 It can be seen that the coated paint film is flat and smooth, and has excellent antibacterial effect.
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[0035] Example 2
[0036] The hydrochloric acid-doped polyaniline powder material is ground and passed through a 200-500 mesh standard sieve for use. Using quick-drying alkyd enamel as the substrate, it is mainly used for coating and protection of interior decoration, furniture surfaces, wood, wooden products, metal products and metal pipes. The prepared polyaniline is added to the alkyd enamel, and the addition ratio can be 1-5% according to the requirements of the product's antibacterial performance. Put the mixture on a ball mill and ball mill for 24h-30h to obtain a finished product, which can be directly brushed on the surface of the object by hand to achieve antibacterial purpose.
Example Embodiment
[0037] Example 3
[0038] The sulfuric acid-doped polyaniline powdered raw material is ground and passed through a 100-300 mesh standard sieve for use. The epoxy resin is used as the matrix, which is mainly used for coating the surface of the metal coil. The prepared polyaniline is added to the epoxy resin, and the addition ratio can be 2-10% according to the requirements of the product's antibacterial performance. Put the mixture on a ball mill for 24h-30h to make a finished product. Add curing agent for drying during use. The finished product can be roll coated on the production line.
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