Environmental-protective ink with methyl-carbonate and dimethyl sulfoxide as mixed solvent
A technology of dimethyl sulfoxide and dimethyl carbonate, applied in the field of printing ink, to achieve the effects of wide application, strong adhesion, chemical resistance and good stability
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Embodiment 1
[0026] Example 1. Each raw material is weighed according to the following weight ratio:
[0027] The weight ratio of DMC and DMSO is 45 parts of mixed solvent of 1:0.25, 20 parts of rosin modified alkyd resin, 5 parts of alcohol-soluble modified aldehyde and ketone resin, 3 parts of water-soluble alkyd resin, 10 parts of ethanol as cosolvent , 8 parts of permanent red as pigment. The product of this embodiment is made after dissolution, wet dispersion, grinding and preparation.
[0028] Carry out the color test according to GB-1462.1-1993 to the product of this embodiment, carry out tinting power test according to GB-1462.2-1993, carry out stability test according to GB-567-1983, each technical index is not lower than or even higher than the original printing Ethyl acetate gravure printing ink for Hongmei cigarettes and Gonghe Xinxi cigarette labels. The gas chromatographic analysis data and final inspection results of the Yunnan Provincial Institute of Analysis and Testing...
Embodiment 2
[0029] Example 2. Each raw material is weighed according to the following weight ratio:
[0030] The weight ratio of DMC and DMSO is 50 parts of mixed solvent of 1:0.27, 15 parts of rosin modified alkyd resin, 10 parts of alcohol-soluble modified aldehyde and ketone resin, 5 parts of water-soluble alkyd resin, 5 parts of ethanol as cosolvent , 20 parts of bronze powder (refining) as pigment, 3 parts of wax as auxiliary agent. The product of this embodiment is made after dissolution, wet dispersion, grinding and preparation.
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