Wear-resistant coating and preparation method thereof
A technology of wear-resistant coatings and additives, applied in the field of coatings, can solve the problems of lack of wear-resistant coatings and achieve the effects of increased UV resistance, superior insulation, and regular shapes
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[0029] Example 1
[0030] The wear-resistant coating of the present invention includes the following components in weight percentage:
[0031] Unsaturated polyester varnish 43%
[0032] Solvent oil 30%
[0033] Curing agent 8%
[0034] Additive 6%
[0035] Wax powder 1%
[0036] Silicone resin 2%.
[0037] The use of silicone resin in powder coatings can improve its heat resistance and weather resistance, but the use of silicone resin alone has problems such as expensive and poor adhesion to the substrate. Therefore, silicone resins are often used to modify other organic resins, which can combine the advantages of silicone resins and other organic resins, make up for mutual deficiencies, improve the weather resistance and heat resistance of the paint film, and obtain powder coatings with excellent performance;
[0038] The melting point of ultra-fine wax powder is extremely low and it is not easy to disperse. Silicon material or si...
Example Embodiment
[0044] Example 2
[0045] The difference between Example 2 and Example 1 is: a wear-resistant coating, which is characterized by including the following components in weight percentage:
[0046] Unsaturated polyester varnish 45%
[0047] Solvent oil 32%
[0048] Curing agent 9%
[0049] Additive 6.5%
[0050] Wax powder 1.5%
[0051] Silicone resin 3%.
[0052] The auxiliary agent is selected from a combination of three types: polyacrylate polymer, macromolecular silicone, and fluorine-modified acrylate polymer.
[0053] The curing agent is composed of 93-97wt% polyamide curing agent and 3-7wt% m-phenylenediamine curing agent.
[0054] The wax powder is ultrafine wax powder reaching the micron level.
[0055] The solvent oil is No. 200 solvent oil.
[0056] The preparation method of the wear-resistant coating of the present invention includes the following steps:
[0057] (1) At a normal temperature of 28°C, weigh the above-mentioned parts by weight...
Example Embodiment
[0060] Example 3
[0061] The difference between Example 3 and Example 1 is: A wear-resistant coating, which is characterized by including the following components in weight percentage:
[0062] Unsaturated polyester varnish 47%
[0063] Solvent oil 35%
[0064] Curing agent 10%
[0065] Additive 7%
[0066] Wax powder 2%
[0067] Silicone resin 4%.
[0068] The auxiliary agent is selected from one or a combination of high molecular organic silicon, fluorine-modified acrylic polymer or silica auxiliary agent.
[0069] The curing agent is composed of 97 wt% polyamide curing agent and 7 wt% m-phenylenediamine curing agent.
[0070] The solvent oil is No. 180 solvent oil.
[0071] The preparation method of the wear-resistant coating of the present invention includes the following steps:
[0072] (1) At room temperature 30℃, weigh the above-mentioned parts by weight, mix the emulsified silicone resin, additives, and wax powder with a stirring device. The stirrin...
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