Antibacterial biological nano packaging film and preparation method thereof
A bio-nano, packaging film technology, applied in the field of packaging materials, can solve the problems of refractory plastic film, environmental pollution, safety hazards, etc., and achieve the effect of good mechanical properties, barrier properties and comprehensive performance.
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[0019] Example 1
[0020] A bacteriostatic bio-nano packaging film, prepared according to the following parts by weight of raw materials: 30 parts of L-polylactic acid, 12 parts of gelatin, 5 parts of polyhydroxybutyrate, 4 parts of esterified modified nanocellulose, nano 3 parts of Maiban stone powder, 48 parts of nano cerium oxide, 2 parts of nano copper powder, 4 parts of carbon nanofibers, 6 parts of nano kaolin, 2 parts of gliadin, 5 parts of fucoidan sulfate, 2 parts of natamycin Parts, 3 parts of octagonal maple powder, 1 part of glycyrrhizic acid, 3 parts of zinc acetate, 2 parts of vitamin E, 2 parts of sodium alginate, 5 parts of polyethylene glycol 500, and 3 parts of dioctyl phthalate.
[0021] The preparation method of the bacteriostatic bio-nano packaging film includes the following preparation steps:
[0022] Step 1: Put L-polylactic acid, gelatin, polyhydroxybutyrate in a high-speed mixer, add carbon nanofiber, nano cerium oxide, nano wheat sheet powder, esterified m...
Example Embodiment
[0026] Example 2
[0027] A bacteriostatic bio-nano packaging film prepared according to the following parts by weight of raw materials: 80 parts of L-polylactic acid, 20 parts of gelatin, 21 parts of polyhydroxybutyrate, 15 parts of esterified modified nano cellulose, nano 11 parts of maiban stone powder, 18 parts of nano cerium oxide, 7 parts of nano copper powder, 7 parts of carbon nanofibers, 17 parts of nano kaolin, 6 parts of gliadin, 14 parts of fucoidan sulfate, 8 parts of natamycin Parts, 9 parts of octagonal maple powder, 6 parts of glycyrrhizic acid, 6 parts of zinc acetate, 7 parts of vitamin E, 6 parts of sodium alginate, 10 parts of polyethylene glycol 500, and 9 parts of dioctyl phthalate.
[0028] The preparation method of the bacteriostatic bio-nano packaging film includes the following preparation steps:
[0029] Step 1: Put L-polylactic acid, gelatin, polyhydroxybutyrate in a high-speed mixer, add carbon nanofiber, nano cerium oxide, nano wheat sheet powder, ester...
Example Embodiment
[0033] Example 3
[0034] A bacteriostatic bio-nano packaging film prepared according to the following parts by weight of raw materials: 55 parts of L-polylactic acid, 16 parts of gelatin, 13 parts of polyhydroxybutyrate, 10 parts of esterified modified nano cellulose, nano 7 parts of Maiban stone powder, 11 parts of nano cerium oxide, 4 parts of nano copper powder, 5 parts of carbon nanofibers, 11 parts of nano kaolin, 4 parts of gliadin, 10 parts of fucoidan sulfate, 5 parts of natamycin Parts, 6 parts of octagonal maple powder, 3 parts of glycyrrhizic acid, 4.5 parts of zinc acetate, 4.5 parts of vitamin E, 4 parts of sodium alginate, 7 parts of polyethylene glycol 500, and 6 parts of dioctyl phthalate.
[0035] The preparation method of the bacteriostatic bio-nano packaging film includes the following preparation steps:
[0036] Step 1: Put L-polylactic acid, gelatin, polyhydroxybutyrate in a high-speed mixer, add carbon nanofiber, nano cerium oxide, nano wheat sheet powder, est...
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