High-waterproof nano modified water-based environment-friendly labeled binder easy in alkaline cleaning and preparation method thereof
A nano-modification and adhesive technology, applied in adhesive types, protein adhesives, starch adhesives, etc., can solve the problem of casein adhesive viscosity increase or decrease, high unit consumption, water-based synthetic paste The problem of shear thinning of the standard adhesive is eliminated, and the effect of excellent water resistance and alkali cleaning performance, stable physical and chemical properties, and excellent shear resistance is achieved.
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Embodiment 1
[0052] A preparation method of a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali washing, comprising the following steps:
[0053] Add 10% casein (Lanzhou Longruan), 4% isolated soybean protein (Anyang Mantianxue), 6% starch (Foshan Gaofeng) and 0.2% defoamer (Eastman, defoamer 691) Add 45% deionized water, heat to 90°C while stirring, keep the temperature for 1h; add 3.2% ammonia water, stir for 40min, then add 2% nano-zinc oxide and 3% nano-zirconia, stir at constant temperature for 2h; cool down To 75°C, add 26% water-based tackifying resin (Neupace, DA1216), stir at 75°C for 1 hour, add 0.2% rheological agent (DSM, PX104), 0.2% fungicide (Rohm and Haas , 342) and 0.2% defoamer (Eastman, defoamer 691), stirring for 30 minutes, that is, a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali cleaning. The stated percentage is the percentage of the to...
Embodiment 2
[0056] A preparation method of a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali washing, comprising the following steps:
[0057] Combine 18% casein (Hualing, fresh milk grade), 2% isolated soybean protein (Anyang Mantianxue), 2% starch (Foshan Gaofeng) and 0.2% defoamer (Eastman, defoamer Add 691) to 48% deionized water, heat to 90°C while stirring, and keep the temperature for 2 hours; add 2.4% ammonia water, stir for 40 minutes, then add 3% nano-zinc oxide and 3% nano-zirconia, and stir at constant temperature 3h; cool down to 75°C, add 20.8% water-based tackifying resin (New Pace, DA1216), stir at 75°C for 1h, add 0.2% rheological agent (DSM, PX104), 0.2% fungicide (Ro Menhas, 342) and 0.2% defoamer (Eastman, defoamer 691), stirred for 50 minutes, that is, a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali washing. The stated percentage is th...
Embodiment 3
[0060] A preparation method of a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali washing, comprising the following steps:
[0061] Add 5% casein (Lanzhou Longruan), 20% isolated soybean protein (Anyang Mantianxue), 4% starch (Foshan Gaofeng) and 0.2% defoamer (Eastman, defoamer 691) Add 40% deionized water, heat to 80°C while stirring, keep the temperature for 2 hours; add 2.8% ammonia water, stir for 1 hour, then add 4% nano-zinc oxide and 2% nano-zirconia, keep stirring for 2 hours; cool down To 75°C, add 21.4% water-based tackifying resin (Neupace, DA1216), stir at 75°C for 1 hour, add 0.2% rheological agent (DSM, PX104), 0.2% fungicide (Rohm and Haas , 342) and 0.2% defoamer (Eastman, defoamer 691), stirring for 30 minutes, that is, a nano-modified water-based environmentally friendly labeling adhesive with strong water resistance and easy alkali cleaning. The stated percentage is the percentage of the tota...
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