Water-based white ink for surface treatment of base material before code spraying and preparation method of water-based white ink
A substrate surface, water-based technology, applied in the field of ink, can solve the problems of uneven printing, divergence, inability to read, etc., to reduce solvent residues, reduce emissions, and avoid damage.
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[0022] The present invention will be further described below. It should be noted that this embodiment is based on the technical solution and provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to this embodiment.
[0023] The structure of the present invention comprises components according to the following weight ratio:
[0024] 11-12 parts of water-based acrylic emulsion; 0.3-0.5 parts of dispersant; 63-65 parts of inorganic pigment; 5-10 parts of water; 25-30 parts of auxiliary agent; ;
[0025] Described aqueous acrylic emulsion comprises the component by following weight ratio:
[0026] 25 parts of butyl methacrylate; 40 parts of styrene; 20 parts of butyl acrylate; 10 parts of hydroxypropyl acrylate; 5-15 parts of water-soluble solid acrylic resin; 0.5-5 parts of anionic emulsifier; 0.5-5 parts of film-forming aid; 0.1-1 part of defoamer; 4-14 parts of ammonia water; 40-70 parts of deionized ...
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