Durable film composite substrate for laminating card manufacturing and manufacturing process
A composite substrate, durable technology, applied in the field of laminated cards, can solve the problem of not meeting the requirements of digital printing
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Embodiment 1
[0048] (1) Prepare the emulsion required for the connection layer, composite glue, back glue A and back glue B
[0049] Under nitrogen atmosphere, in the reaction vessel that stirrer and reflux condenser are equipped with, add 5 parts of hexamethylene diisocyanate trimers, 16 parts of hexamethylene diisocyanates, 20 parts of isophorone diisocyanates, 25 parts of poly 2,4-dichloro-1,6-adipic acid-1,6-hexanediol ester diol with a number average molecular weight of 4000, 26 parts of poly 2,4-diol with a number average molecular weight of 6000 Chloro-1,6-adipic acid-1,3-propylene glycol ester diol, 8 parts of dimethylol butyric acid, 30 parts of dimethyl carbonate, 0.1 part of dibutyltin dilaurate are mixed evenly, and the control The temperature is 90°C, react for 3 hours, cool down to 40°C, add 6 parts of triethylamine and stir evenly to obtain polyurethane prepolymer; under nitrogen environment, add 270 parts of deionized water, 1 part of γ-aminopropyltriethoxysilane, 0.2 part...
Embodiment 2
[0058] (1) Prepare the emulsion required for the connection layer, composite glue, back glue A and back glue B
[0059] Under nitrogen atmosphere, in the reaction vessel that stirrer and reflux condenser are equipped with, add 16 parts of hexamethylene diisocyanate trimers, 5 parts of hexamethylene diisocyanates, 5 parts of isophorone diisocyanates, 25 parts of poly 2,4-dichloro-1,6-adipic acid-1,6-hexanediol ester diol with a number average molecular weight of 4000, 26 parts of poly 2,4-diol with a number average molecular weight of 6000 Chloro-1,6-adipic acid-1,3-propylene glycol ester glycol, 8 parts of dimethylol butyric acid, 30 parts of dimethyl carbonate, and 0.1 part of dibutyltin dilaurate are mixed evenly, and the control The temperature is 90°C, react for 3 hours, cool down to 40°C, add 6 parts of triethylamine and stir evenly to obtain polyurethane prepolymer; under nitrogen environment, add 270 parts of deionized water, 1 part of γ-aminopropyltriethoxysilane, 0.2...
Embodiment 3
[0068] (1) Prepare the emulsion required for the connection layer, composite glue, back glue A and back glue B
[0069] Under nitrogen atmosphere, in the reaction vessel that stirrer and reflux condenser are equipped with, add 16 parts of hexamethylene diisocyanate trimers, 5 parts of hexamethylene diisocyanates, 5 parts of isophorone diisocyanates, 25 parts of poly 2,4-dichloro-1,6-adipic acid-1,6-hexanediol ester diol with a number average molecular weight of 4000, 26 parts of poly 2,4-diol with a number average molecular weight of 6000 Chloro-1,6-adipic acid-1,3-propylene glycol ester glycol, 8 parts of dimethylol butyric acid, 30 parts of dimethyl carbonate, and 0.1 part of dibutyltin dilaurate are mixed evenly, and the control The temperature is 90°C, react for 3 hours, cool down to 40°C, add 6 parts of triethylamine and stir evenly to obtain polyurethane prepolymer; under nitrogen environment, add 270 parts of deionized water, 1 part of γ-aminopropyltriethoxysilane, 0.2...
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