Food packaging box and preparation method thereof
A technology of food packaging boxes and packaging boxes, which is applied to food packaging boxes with heat insulation effect, has antibacterial and moisture-proof fields, and can solve the problems that food packaging boxes do not have antibacterial, moisture absorption, and deodorizing effects, so as to achieve good food preservation effect, good heat resistance, and the effect of improving shelf life
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Embodiment 1
[0022] The raw materials for the preparation of the food packaging box described in this embodiment include: 30kg of PE resin, 25kg of water-soluble epoxy resin, 10kg of polylactic acid, 15kg of chitosan phosphate, 8kg of food grade paraffin, 20kg of L-arginine nitrate, Sorbitan fatty acid ester 3kg, 1-methyl-3-propanesulfonic acid imidazolium bisulfate 15kg, isophorone diisocyanate 3kg, and plant enzymatic hydrolyzate.
[0023] The plant enzymatic hydrolyzate is prepared according to the following steps: take 30kg of a mixture of water chestnuts and sweet potatoes (mass ratio is 1:1), add equal weight of water to mix and make a slurry, and add the water chestnuts and sweet potatoes to the obtained slurry. Glucose isomerase and cellulase (mass ratio 1:2) of 20 wt% of the total amount of sweet potatoes are subjected to enzymolysis treatment at room temperature; The filtrate is collected and concentrated under reduced pressure to a clear paste, which is the desired plant enzymat...
Embodiment 2
[0031] The preparation raw materials of the food packaging box described in this embodiment include: 50kg of PE resin, 12kg of water-soluble epoxy resin, 15kg of polylactic acid, 10kg of chitosan phosphate, 15kg of food grade paraffin, 8kg of L-arginine nitrate, Sorbitan fatty acid ester 8kg, 1-methyl-3-propanesulfonic acid imidazolium bisulfate 10kg, isophorone diisocyanate 8kg, and plant enzymatic hydrolyzate.
[0032] The plant enzymatic hydrolyzate is prepared according to the following steps: take 12kg of a mixture of burdock and sweet potato (mass ratio is 1:1), add equal weight of water to mix and make a slurry, and add the water chestnut and the water chestnut to the obtained slurry Glucose isomerase and cellulase (mass ratio 1:2) of 10wt% of the total amount of sweet potatoes are subjected to enzymolysis treatment at room temperature; The filtrate is collected and concentrated under reduced pressure to a clear paste, which is the desired plant enzymatic hydrolyzate. ...
Embodiment 3
[0035] The preparation raw materials of the food packaging box described in this embodiment include: 40kg of PE resin, 18kg of water-soluble epoxy resin, 12kg of polylactic acid, 12kg of chitosan phosphate, 12kg of food grade paraffin, 15kg of L-arginine nitrate, Sorbitan fatty acid ester 5kg, 1-methyl-3-propanesulfonate imidazolium bisulfate 12kg, isophorone diisocyanate 5kg, and plant enzymatic hydrolyzate.
[0036] The plant enzymatic hydrolyzate is prepared according to the following steps: take 21kg of a mixture of water chestnuts, sweet potatoes and burdock (mass ratio is 1:1:1), add an equal weight of water to mix and make a slurry, and add the Glucose isomerase and cellulase (mass ratio 1:2) of the water chestnut and sweet potato total amount 15wt%, carry out enzymolysis treatment at normal temperature; Separation of solid and liquid, collecting the filtrate and concentrating under reduced pressure to a clear paste, which is the desired plant enzymatic hydrolyzate.
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