Transparent plastic with hardening coating and preparation method
A technology of transparent plastic and hard coating, which is applied in the field of plastic processing, can solve the problems of reduced adhesion, and achieve the effect of strong adhesion and good adhesion
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Embodiment 1
[0031] A method for coating a hardening coating on a plexiglass surface, comprising the steps of:
[0032] (1) Pretreatment of plexiglass substrate: First, measure 50ml of cerium oxide powder and 500ml of water in a beaker, mix the two as a polishing solution, and use the polishing solution to remove the grease on the surface of the plexiglass substrate material , and then use deionized water to clean the remaining dirt on the surface of the substrate; after it is cleaned, dry it with compressed air;
[0033] The mixed solution of cerium oxide and water is used for polishing to make the surface of the bottom of the plexiglass clean, and the dirt on the cracks can also be removed, which is conducive to the attachment of the auxiliary layer.
[0034] (2) Preparation of the auxiliary layer: the cleaned plexiglass substrate is placed in the clean room, the propylene glycol methyl ether solution (polymer mass concentration is 20%) of the polymer shown in the spray formula (Ⅲ), surf...
Embodiment 2
[0041] The implementation steps of this example are the same as those of Example 1, except that the used polymers, solvents and concentrations thereof are different.
[0042] (1) Pretreatment of plexiglass substrate: First, measure 50ml of cerium oxide powder and 50ml of water in a beaker, mix the two as a polishing solution, and use the polishing solution to remove the grease on the surface of the plexiglass substrate material , and then use deionized water to clean the remaining dirt on the surface of the substrate; after it is cleaned, dry it with compressed air;
[0043] (2) Preparation of auxiliary layer: the cleaned plexiglass substrate is placed in the clean room, the butyl acetate solution of the polymer shown in the spray formula (Ⅴ) (polymer mass concentration is 14%), after 40min, the sample is in the The auxiliary layer is obtained after drying in an oven at 85°C for 3 hours, and the thickness of the auxiliary layer is 0.8 μm;
[0044]
[0045] (3) Prepare the ...
Embodiment 3
[0049] The implementation steps of this example are the same as those of Example 1, except that the used polymers, solvents and concentrations thereof are different.
[0050](1) Pretreatment of plexiglass substrate: First, measure 50ml of cerium oxide powder and 200ml of water in a beaker, mix the two as a polishing solution, and use the polishing solution to remove the grease on the surface of the plexiglass substrate material , and then use deionized water to clean the remaining dirt on the surface of the substrate; after it is cleaned, dry it with compressed air;
[0051] (2) preparation of auxiliary layer: the plexiglass substrate that will clean is placed in the clean room, the polymer propylene glycol ethyl ether solution (polymer mass concentration is 20%) shown in spraying formula (VII), after 30min, sample is in 60 After drying in an oven at ℃ for 5 hours, the auxiliary layer was obtained, and its thickness was 0.8 μm;
[0052]
[0053] (3) Preparation of protecti...
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Abstract
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